CN100536606C - Electroacoustic emergy converter - Google Patents

Electroacoustic emergy converter Download PDF

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Publication number
CN100536606C
CN100536606C CNB2004100579148A CN200410057914A CN100536606C CN 100536606 C CN100536606 C CN 100536606C CN B2004100579148 A CNB2004100579148 A CN B2004100579148A CN 200410057914 A CN200410057914 A CN 200410057914A CN 100536606 C CN100536606 C CN 100536606C
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CN
China
Prior art keywords
power conversion
conversion device
electroacooustic power
electroacooustic
tragus
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CNB2004100579148A
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Chinese (zh)
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CN1592490A (en
Inventor
铃木贵大
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Sony Corp
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Sony Corp
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Abstract

Electro-acoustic transducer. To obtain a unit part capable of locking a V-shaped electro-acoustic transducer (20) within cavum conchae (4) of the ear. First and second protruding portions (36, 37) disposed on a dome-like casing (32) expanded at the back of a sound playing surface (33) of an electro-acoustic transducer in a vertical interpolation type (V-shaped) electro-acoustic transducer (30) are mounted to be locked in recessed portions of the cavum conchae (4) to prevent the electro-acoustic transducer (30) from dropping off the ear (1).

Description

Electroacooustic power conversion device
Technical field
The present invention relates to Electroacooustic power conversion device, particularly relate to the improvement of structure of the Electroacooustic power conversion device (vertical-type, below note is done V-type) of vertical interpolation type.
Background technology
Various forms of earphones or headphone are proposed in the existing Electroacooustic power conversion device, the mounting structure of external ear insertion type earphone is as follows: on an end face of the headset main body of the built-in Electroacooustic power conversion device that comprises jolting plate, the external ear insertion section that forms tone channel is set, this external ear insertion section is connected to the external ear chamber of ear, and then is inserted into inner external auditory meatus.Therefore, such external ear insertion type earphone has following problem: the constriction when generation can not be avoided being installed in the external ear chamber, perhaps on external auditory meatus, produce pain or sense of discomfort according to the amount of inserting external auditory meatus, and be difficult to keep good sound quality simultaneously.
Following structure is disclosed in the patent document 1: prevent the generation of pain when described external ear insertion type earphone is installed or sense of discomfort etc., the acoustic characteristic of the tonequality that keeps well when installing with stable status resetting etc.As shown in figure 11, this Electroacooustic power conversion device 10A is by forming with lower member: parts housing main body portion (following note is done assembly portion) 11, the built-in electric acoustic converter section of being made up of jolting plate, magnetic circuit portion etc. is the roughly button-shape of the shape in the external ear chamber of the recess that can be contained in ear; And lead (cord) leading-out portion 12, extend from the hypomere portion of the rear side of this assembly portion 11 and to be provided with, the electric signal from the electric acoustic converter section is exported to outside leads for connecting 13.
Be described in detail the structure of people's ear 1 that described external ear insertion type earphone is installed in the described patent documentation 1, narrated it once more with reference to Figure 13, then below the bottom in external ear chamber 4 of the concavity that forms in part and the auricle 1a that ear-lobe 3 is connected have porus acusticus externus 5.On the front and back position of the peristome in this external ear chamber 4, because tragus 6 is relative outstanding respectively with antitragus 7, so external ear chamber 4 is inner broad.And, on the place ahead, top in external ear chamber 4, extend the auricle pin 9 that is provided with convex, fossa helicis 2a and external ear chamber 4 outside the top of this auricle pin 9 is divided into via external ear 2.
Between tragus 6 and the antitragus 7, innerly when the below is partly cut connect cut channel 8 between the tragus that constitutes as the risers of bending.The internal diameter R in external ear chamber 4, deviation is arranged because of the people is different, big in the scope of 10mm~20mm, the relative spacing L of tragus 6 and antitragus 7 is greatly in the scope of 4mm~12mm, and near the degree of depth in the external ear chamber 4 the front end of tragus 4 is in the scope of about 7mm~14mm.
In Electroacooustic power conversion device 10A, the outside dimension of assembly portion 11 that constitutes the shape of the recess that can be contained in external ear chamber 4 is 14mm~18mm, and gauge is 5.5mm~7.5mm.Therefore, shown in Figure 12 (a) and (b), under the state of the recess that is installed in external ear chamber 4, at 2 A, the B place of the peripheral part of assembly portion 11, this Electroacooustic power conversion device 10A is kept by tragus 6 and antitragus 7.In addition, Figure 12 (b) is that the A-A cross section of Figure 11 (a) is to view.
And, lead leading-out portion 12, the recess in external ear chamber 4 has held under the state of assembly portion 11,1 C place of part below being positioned at than holding point A, the B of tragus 6 and antitragus 7, be touched according to necessary, so in Electroacooustic power conversion device 10A, but be installed in the external ear chamber 4 by structure with supported at three point, do not oppress porus acusticus externus 5, with stable and accurately state be installed in the part in external ear chamber 4.
Realized under the state that is installed on the ear 1, extending to the lead leading-out portion 12 of cut channel 8 between tragus among the Electroacooustic power conversion device 10A to the raising of the installation in external ear chamber 4, formed from the center of assembly portion 11 is outstanding.On the other hand, as mentioned above, tragus 6 and antitragus 7 its relative spacing L are in the scope of about 4mm~12mm, but the individual difference of these overhangs M, N is also big, as shown in figure 13, and the general M>N of overhang N of the overhang M of tragus 6 and antitragus 7.Thereby, in external ear chamber 4, to have installed under the state of this Electroacooustic power conversion device 10A, lead leading-out portion 12 is contact tragus 6 easily, produces discomfort.
In order to eliminate the contact of such lead leading-out portion 12 antitragus 6, as shown in figure 11, the center line of lead leading-out portion 12 to the centre line L 1 of assembly portion 11 to peripheral part deviation distance D, by being installed in external ear chamber 4 at the outstanding Electroacooustic power conversion device 10A that forms lead leading-out portion 12 in the back side of assembly portion 11, make lead leading-out portion 12 a little near antitragus 7 sides, so eliminated the contact of lead leading-out portion 12 antitragus 6.But, like this,, also be difficult to absorb the individual difference of the overhang of tragus 6 and antitragus 7 even in Electroacooustic power conversion device 10A, eliminate the contact of lead leading-out portion 12 antitragus 6 reliably.
In the past, describedly to run into the state and the installment state of ear and adjust the tonequality characteristic in order to adjust, suitably revolution is installed to the assembly portion 11 of 4 inside, external ear chamber.But the peripheral part of generation component portion 11 and external ear chamber 4 rub and produce and keenly feel in the correlation technique, can't fully keep the problem of installment state when slowly installing.
So, in patent documentation 2, propose to be used to obtain the structure of following such device: the individual difference who makes the degree of depth in the individual difference of the overhang that can absorb tragus 6 and antitragus 7 or external ear chamber 4, make the possibility that is mounted for only state, and according to installment state, the adjustment of acoustic characteristic also becomes possible Electroacooustic power conversion device.
Shown in Figure 12 (a), disclosed structure possesses in the described patent documentation 2: assembly portion 11, the in-built electrical sonic transducer, constitute the shape to be installed at the recess in the tragus 6 of ear 1 and the external ear chamber 4 between the antitragus 7 simultaneously, under the state that is installed in external ear chamber 4, contact with 2 A, B of the front end of tragus 6 and antitragus 7 by peripheral part and to keep; And lead leading-out portion 12, be arranged on the back side portion of this assembly portion 11, under assembly portion 11 is installed in state in the external ear chamber 4, extend to cut channel 8 between the tragus of ear 1, the part of medial surface contacts with the surface of ear-lobe 3; This lead leading-out portion 12 and assembly portion 11 relatively rotate freely in rotating part 14, be contained in simultaneously under the state of recess in external ear chamber 4, by the bulge 15 that the peripheral part formation in assembly portion 11 is expanded the part of antitragus 7 sides that are positioned at ear 1 laterally, regulate lead leading-out portion 12 and contact situation with tragus 6 or antitragus 7.Thereby, the deviation that the individual difference of the overhang of absorption tragus 6 and antitragus 7 produces, regulate after need not making the peripheral part of assembly portion 11 and 4 frictions of external ear chamber, the situation that contacts of lead leading-out portion 12 and tragus 6 or antitragus 7 is adjusted to only state.
And, recess in external ear chamber 4 has held under the state of assembly portion 11, and the tragus that extends of lead leading-out portion 12 between the peripheral part of assembly portion 11 of antitragus 7 side correspondence positions of cut channel 8 and approximate right angle position expand the bulge 15 that forms by suitably setting the position of the circumferencial direction in the external ear chamber 4, can absorb the deviation that the individual difference of the degree of depth in external ear chamber 4 produces, make Electroacooustic power conversion device 10A be installed in the recess in external ear chamber 4 with stable status extremely.
On the other hand, as mentioned above, hold assembly portion 11 and the Electroacooustic power conversion device 10A of formation for recess, the Electroacooustic power conversion device 20 of known V-type shown in Figure 14 (a) and (b) in external ear chamber 4.The Electroacooustic power conversion device 20 of this V-type is by constituting with lower member: shell 22 is built in the electroacoustic transducer that comprises jolting plate in the parts housing main body (assembly portion) 21; And pronunciation face 23, be installed with the open-work of sounding from jolting plate.The shape of shell 22 for expanding archedly at the rear of roughly discoid pronunciation face 23, as Figure 14 (a), the pronunciation face 23 of assembly portion 21 towards with the same direction of people's face (F direction), when being installed in the external ear chamber 4 of ear 1 as shown by arrows, as Figure 14 (b), compare with the Electroacooustic power conversion device 10A of existing Figure 12 (b) expression from the sound that pronunciation face 23 sends, have the advantage that directly arrives eardrum via porus acusticus externus 5.
Figure 15 (a) and (b) represent that the Electroacooustic power conversion device 20 of existing V-type constitutes an embodiment of neck band shape structure, by constituting with lower member: shell 22, the built-in electroacoustic transducer that comprises jolting plate in assembly portion 21; And pronunciation face 23, be installed with the open-work of sounding from jolting plate.The shape of shell 22 for expanding archedly at the rear of roughly discoid pronunciation face 23, as Figure 15 (a), with about the X-axis quadrature integrally formed band and the lead leading-out portion 25 (z axle) roughly of pronunciation face 23 of shell 22 of assembly portion 21, this band and lead leading-out portion 25 be direction expansion to the left and right shown in Figure 15 (a), become roughly J word shape (band on the band in left side and lead leading-out portion 25 and right side and lead leading-out portion 25 are mirror), connect the roughly neck band 26 of the structure of Ω shape, derive the lead 28 of attachment plug 27 simultaneously from the front face side of the band in left side and lead leading-out portion 25.
Look and hang neck band 26 on hearer 60 the neck 61, the pronunciation face 23 of assembly portion 21 towards with the appearance of looking hearer 60 equidirectional (F direction), in the external ear chamber 4 of ear 1, as arrow E, install.
[patent documentation 1] (Japan) special public clear 63-42999 communique (Fig. 4 and Fig. 8)
[patent documentation 2] (Japan) spy opens flat 7-154888 communique (the 4th page of left hurdle)
V-type Electroacooustic power conversion device 62 according to Figure 15 (a) of described existing structure eckband shape shown in (b), compare with the Electroacooustic power conversion device 10A of Figure 11 explanation, 21 pairs of porus acusticus externus 5 of assembly portion shown in Figure 14 (b) flatly insert in the external ear chamber 4, so with respect to eardrum level more, can make sound directly arrive eardrum than headphone jolting plate in the common ear.But in the Electroacooustic power conversion device 20 of the existing V-type of Figure 15 (a) shown in (b), shell 22 is not supported by any positions in the external ear chamber 4 of ear, becomes the state that is placed on porus acusticus externus 5.Therefore, the problem that falls from external ear chamber 4 easily because of the stretching of lead 38 or vigorous exercise is arranged.
Summary of the invention
The present invention is used to solve described problem, the assembly portion that purpose is to obtain to make the Electroacooustic power conversion device 20 of V-type to tangle in the external ear chamber 4 of ear.
In order to solve described problem, reach purpose of the present invention, first scheme of the present invention is characterised in that: the protuberance that is provided with on the shell of the arch that expanding at the rear of the pronunciation face of the electroacoustic transducer of the Electroacooustic power conversion device of vertical interpolation type is installed in the inside in external ear chamber 4, and it is tangled.
Alternative plan Electroacooustic power conversion device of the present invention, it is the Electroacooustic power conversion device that the pronunciation of electroacoustic transducer that has the shell of electroacoustic transducer in inside faces the vertical interpolation type of forwards installing, it is characterized in that, this Electroacooustic power conversion device is made of shell, and this shell is provided with: from the place ahead see the rear of the pronunciation face of electroacoustic transducer expand the arch that interpolation portion pronunciation face below left side or right side to outstanding first protuberance that is provided with of pronunciation face direction; And from described pronunciation is faced forwards described shell above see that the left side of interpolation portion or right side are to outstanding second protuberance that is provided with in the rear of interpolation portion.
According to first invention of the present invention, can be installed in recess in the external ear chamber to the protuberance that Electroacooustic power conversion device is set in shell, and it is tangled.
According to second invention of the present invention, the shell setting of Electroacooustic power conversion device: from the place ahead see the rear of the pronunciation face of electroacoustic transducer expand the arch that interpolation portion pronunciation face below left side or right side towards outstanding first protuberance that is provided with of pronunciation face direction; And from above see that the left side of interpolation portion or right side are to outstanding second protuberance that is provided with in the rear of interpolation portion, so in the external ear chamber, installed under the state of assembly portion, be under the example situation about considering for example with the left side ear, when shell is counterclockwise rotated, first protuberance is blocked by tragus, when shell was turned clockwise, second protuberance was blocked by the inwall of the porus acusticus externus in tragus and the antitragus, can prevent the disengaging of Electroacooustic power conversion device.
Description of drawings
Fig. 1 (a)~Fig. 1 (c) is front, left surface, the plane graph of a mode example of expression V-type Electroacooustic power conversion device of the present invention.
Fig. 2 (a)~Fig. 2 (b) is that expression is used to illustrate that Electroacooustic power conversion device with V-type of the present invention is installed to a part of sectional view and the stereogram of ear of a mode example of the method for ear.
Fig. 3 (a)~Fig. 3 (b) be the front elevation of ear of Electroacooustic power conversion device one mode example of expression V-type of the present invention and ear want portion's sectional view.
Fig. 4 (a)~Fig. 4 (b) is the front and the left surface figure of an embodiment of the Electroacooustic power conversion device of expression V-type of the present invention.
Fig. 5 (c)~Fig. 5 (d) is the right flank and the back view of an embodiment of the Electroacooustic power conversion device of expression V-type of the present invention.
Fig. 6 (e)~Fig. 6 (f) is the plane and the ground plan of an embodiment of the Electroacooustic power conversion device of expression V-type of the present invention.
Fig. 7 (g)~Fig. 7 (h) is the degree direction fronts, upper left side 45 and the upper right side 45 degree direction front elevations of an embodiment of the Electroacooustic power conversion device of expression V-type of the present invention.
Fig. 8 (i)~Fig. 8 (j) is the lower-left side 45 degree direction back sides and the lower right side 45 degree direction back views of an embodiment of the Electroacooustic power conversion device of expression V-type of the present invention.
Fig. 9 (a)~Fig. 9 (c) is that the key diagram of ear and the Electroacooustic power conversion device of an embodiment of the Electroacooustic power conversion device of expression V-type of the present invention is inserted in the cross section of the situation in the ear 1 to view.
Figure 10 (a)~Figure 10 (b) is the front elevation of head-mounted and neck banding pattern of an embodiment of the Electroacooustic power conversion device of expression V-type of the present invention.
Figure 11 is the back view of an embodiment of the existing Electroacooustic power conversion device of expression.
Figure 12 (a)~Figure 12 (b) be the front elevation of ear of an embodiment of the existing Electroacooustic power conversion device of expression and ear want portion's sectional view.
Figure 13 is the front elevation of ear of an embodiment of the existing Electroacooustic power conversion device of expression.
Figure 14 (a)~Figure 14 (b) is schematic section and the stereogram to the ear of the installation method of ear that is used to illustrate an embodiment of the existing Electroacooustic power conversion device of expression.
Figure 15 (a)~Figure 15 (b) is the front elevation of neck banding pattern of an embodiment of the existing Electroacooustic power conversion device of expression.
Embodiment
Below, according to a mode example of Fig. 1 to Figure 10 write up Electroacooustic power conversion device of the present invention.Fig. 1 (a) is the general profile figure of a mode example of (c) expression Electroacooustic power conversion device of the present invention (b), and Fig. 1 (a) is a front elevation; Fig. 1 (b) is left surface figure; Fig. 1 (c) is a plane graph, be to be connected for example portable tape recorder etc., as write up among Figure 15, in Figure 13, inlay the Electroacooustic power conversion device 30 of the V-type of installation in the external ear chamber 4 of the recess of the ear 1 of write up, the Electroacooustic power conversion device 30 of this V-type is constructed as follows: the in-built electrical sonic transducer, the interpolation portion that constitutes shell 32 at the rear of roughly discoid pronunciation face 33 is roughly expansion archedly on the direction overleaf, lead leading-out portion 34 from the right side of the X-axis of pronunciation face 33 or the left side hang down downwards one-body molded like that, the front end attachment plug of the lead 35 of outside assembly portion 31, deriving via this lead leading-out portion 34 of component parts housing main body portion (assembly portion) 31.
Described interpolation portion, be shell 32 form as the plane graph of Fig. 1 (a) and Fig. 1 (b) and left surface figure below pronunciation face 33 left side or right side towards first protuberance 36 of the outstanding setting of pronunciation face 33 directions, with as the plane graph of Fig. 1 (c), on left side or the right side above shell 32, seen, to outstanding second protuberance 37 that is provided with in the rear on a left side of being inclined to this shell 32 a little (right side).And, the right side or left side on the X-axis of the Fig. 1 (a) that sees pronunciation face 33 from the front, the one-body molded and constituent components portion 31 of the parallel lead leading-out portions that hang down downwards 34 with pronunciation face 33 and shell 32.
Then, according to Fig. 2 (a) (b) and Fig. 3 (a) (b), illustrate with Figure 12 (a) (b) same the external ear chamber 4 of ear 1 in the state of the Electroacooustic power conversion device 30 of installation V-type.Fig. 2 (a) is the sectional view of ear of a part that is illustrated in the state of the Electroacooustic power conversion device 30 that V-types are installed in the external ear chamber 4 of ear 1 (b), Fig. 3 (a) is illustrated in the left ear of looking the hearer of the situation of the Electroacooustic power conversion device 30 that V-type is installed in the external ear chamber 4, and Fig. 3 (b) expression is along the sectional view of the ear of the G-G line of Fig. 3 (a).
Fig. 2 (a) (b) in, for the Electroacooustic power conversion device 30 that makes V-type inserts in the external ear chamber 4 of ear 1, such shown in Fig. 2 (b), with the pronunciation face 33 of the Electroacooustic power conversion device 30 of V-type inboard towards the tragus 6 of ear 1, such as shown by arrow E, with first protuberance 36 on being arranged in the shell 32 and second protuberance 37 in shell 32 inserts external ear chamber 4.Fig. 3 (a) is the front elevation of the left ear of the Electroacooustic power conversion device 30 of the V-type state that is inserted into external ear chamber 4, and in the figure, Fig. 3 (b) expression is inserted into the schematic diagram of representing the state in the cross section of the ear that Figure 12 (b) of direction is same with the G-G arrow.From this figure obviously as seen, the pronunciation face 33 of the Electroacooustic power conversion device 30 of the V-type in insertion external ear chamber 4 is compared with Figure 12 (b), outward the opening portion direction of earhole 5.Promptly, shell 32 is installed in the external ear chamber 4, be clipped between antitragus 7 and the tragus 6 by lead leading-out portion 34, the shell 32 that constitutes interpolation portion inserts external ear chamber 4, first and second protuberance 36 and 37 is tangled at the inlet of porus acusticus externus 5 and the tragus 6 in external ear 2 or external ear chamber 4 and the recess in the antitragus 7, the Electroacooustic power conversion device 30 of V-type is not installed in the external ear chamber 4 with not coming off.
(embodiment 1)
The profile of Electroacooustic power conversion device 30 of V-type of one embodiment of the Electroacooustic power conversion device 30 of the described V-type of expression is described with regard to Fig. 4 to Fig. 8.Fig. 4 (a) makes front elevation; Fig. 4 (b) is left surface figure; Fig. 5 (c) is a right hand view; Fig. 5 (d) is a back view; Fig. 6 (e) is a plane graph; Fig. 6 (f) is a ground plan; Fig. 7 (g) is upper left side 45 degree direction front elevations; Fig. 7 (h) is upper right side 45 degree direction front elevations; Fig. 8 (i) is lower-left side 45 degree direction back views; Fig. 8 (j) is lower right side 45 degree direction back views, in these each accompanying drawings, is provided with in inside on the pronunciation face that forms circular 33 of electric acoustic converter and has worn a plurality of open-works, sends the acoustic signal from electroacoustic transducer.On the Z-direction of being made up of the XYZ axle of this pronunciation face 33, the shell 32 that constitutes interpolation portion is roughly expansion archedly.In the third quadrant of the left side of the X-axis of pronunciation face 33 (right side) side, outstanding to front face side (Z axle) (b) as Fig. 4 (a), circular arc in this third quadrant, the lower end is the such skirt shape portion 40 of semicircle shown in Fig. 4 (b), Fig. 7 (g), forms at the rear portion of shell 32 on the Z-direction in the wings and the first incorporate protuberance 36 of second protuberance 37 described later.
In second and the four-quadrant of the right side of the X-axis of pronunciation portion 33 (left side) side, as Fig. 4 (a) (b), Fig. 5 (c) is outstanding to front face side (Z axle) like that, along this first and four-quadrant scope in circular arc forwardly (Z-direction) go up as Fig. 4 (a) and Fig. 7 (g) shown in such, (right side) direction bending left, rearward (Z-direction) expands, 37 incorporate spoons of shape portions 41 in the rear portion and second protuberance of shell 32 and roughly the lead leading-out portion 34 of cylinder or corner post shape be communicated with, and, as Fig. 6 (e), Fig. 7 (g), such shown in Fig. 8 (i), as Fig. 6 (e) from above see the left side or the right side of the shell 32 of interpolation portion, formation is to outstanding second protuberance 37 that is provided with in the rear, a left side (right side) of shell 32, the mountain top portion of this second protuberance 37 forms soft chevron like that shown in the back view of Fig. 5 (d), lower hem 42 and described skirt shape portion 40 are communicated with.Derive the lead 35 that is connected with the electric acoustic converter section from lead leading-out portion 34.
And, as Fig. 5 (c) of the right hand view of Fig. 4 (a) or Fig. 6 (e), Fig. 7 (g) (h), figure (i) is (j) such, pronunciation portion 33 bulge 43 of place, rear formation arch shape roughly relatively.Shown in Fig. 5 (d), Fig. 8 (i), form recess 44 like that between this bulge 43 and second jut 37, form and the top and following shell that gently is communicated with 32, constituent components portion 31.
Fig. 9 (b) (c) represents that described Electroacooustic power conversion device 30 is inserted in the H-H cross section of the situation in the ear 1 shown in Fig. 9 (a) to view.Fig. 9 (a) (b) represents the more detailed title at each position in the ear 1, to Fig. 3 (a) (b) in the counterpart of explanation give same numeral, and omit repeat specification.
In by the auricle 1a shown in Fig. 9 (a), be provided with to wide b, antitragus 7, tragus between insert (b) Electroacooustic power conversion device 30 of such V-type of Fig. 2 (a) in the external ear chamber 4 that surrounds of cut channel 8, tragus 6, auricle pin 9, external ear 2.In the sectional view in the external ear chamber 4 shown in Fig. 9 (b), the assembly portion 31 of the Electroacooustic power conversion device 30 of the V-type of the plane graph shown in Fig. 6 (e) is such shown in Fig. 9 (c), first protuberance 36 be arranged on external auditory meatus 45 porus acusticus externus 45 inlet near, this first protuberance 36 is as Fig. 9 (c), central point O with the shell 32 of the Electroacooustic power conversion device 30 of V-type is the center, block at tragus 6 when on the counter clockwise direction shown in the arrow K, loading load, prevent the coming off of Electroacooustic power conversion device 30 of V-type.
And, second protuberance 37, be arranged in the inside or external ear 2 in the external ear chamber 4, this second jut 37 is as Fig. 9 (c), central point 0 with the shell 32 of the Electroacooustic power conversion device 30 of V-type is the center, block at antitragus 7 when on the clockwise direction shown in the arrow P, loading load, prevent the coming off of Electroacooustic power conversion device 30 of V-type.And second protuberance 37 central point O with shell 32 in Fig. 9 (c) is the center, blocks the inner wall part 48 in external ear 2 the insides when loading load on the counter clockwise direction shown in the arrow K, prevents the coming off of Electroacooustic power conversion device 30 of V-type.
According to described structure, even the Electroacooustic power conversion device of V-type 30 also can prevent coming off of assembly portion 31 that the inclination of the stretching of rotation, lead in the external ear 2, fierce motion, ear produces.
The shell 32 of the assembly portion 31 of the Electroacooustic power conversion device 30 of described V-type is illustrated as the quite complicated shape near the three dimensional shapes in the external ear chamber 4 of ear 1, but shape that needn't it can't be otherwise, also can be provided with lower member: left side or right side below the shell 32 of the assembly portion 31 of seeing the arch that expands to the rear of the pronunciation face 33 of electric acoustic transformation component from the place ahead of pronunciation face 33, towards near outstanding first protuberance 36 that the inlet of earhole 5, is provided with that is provided with of pronunciation face direction; And from above see the left side of shell 32 of assembly portion 31 or second protuberance 37 that the right side disposes towards the inside in the outstanding external ear chamber 4 that is provided with, the rear of assembly portion 31.
Illustrated that in above-mentioned the Electroacooustic power conversion device 30 of the V-type of being made up of assembly portion 31 is installed in the situation of left and right sides ear as type in the ear, but these assembly portions 31 can be applicable to 31 shown in Figure 10 (a), neck banding pattern or the clamp type that assembly portion 31 is tangled on the clip that is clipped on the ear, or shown in Figure 10 (b) in the Electroacooustic power conversion device 30 of such head-mounted V-type.
The rear, a left side (right side) of rear bulge of arch that Figure 10 (a) is illustrated in the shell 32 of constituent components portion forms second protuberance 37, lower end, the place ahead, a left side (right side) at the pronunciation face 33 of the front face side of shell 32 configuration forms first protuberance 36, lead leading-out portion 34 and shell 32 form and the roughly J word shape of the X-axis quadrature of pronunciation face 33 (or with J word shape be mirror), and lead leading-out portion 34 combines with the neck band 50 of Ω shape roughly.
The rear, a left side (right side) of rear bulge of arch that Figure 10 (b) is illustrated in the shell 32 of constituent components portion forms second protuberance 37, lower end, the place ahead, a left side (right side) at the pronunciation face 33 of the front face side of shell 32 configuration forms first protuberance 36, line leading-out portion 34 is integrally formed with shell 32, lead leading-out portion 34 is extended a spoon shape portion 51 is set, make the pronunciation face 33 that lead leading-out portion 34 combines with the neck band 48 of Ω shape roughly and the back quadrate part of spoon shape portion 51 form the shell of expansion towards the rear.Slidably the sliding part 53 and the spoon shape portion 51 of cross section essentially rectangular is one-body molded at the front of spoon shape portion 51 earphone headring 52.
Electroacooustic power conversion device 30 according to described neck banding pattern or head-mounted etc. V-type produces the pressure that the Electroacooustic power conversion device 30 of V-type is pressed into external ear chamber 4 by neck band 50 or earphone headring 52, and the Electroacooustic power conversion device 30 of V-type is more stably remained in the ear.

Claims (15)

1. Electroacooustic power conversion device faces forwards in the pronunciation of this electroacoustic transducer that makes inside have the shell of electroacoustic transducer, so that in the Electroacooustic power conversion device of the vertical interpolation type of installing, constitute described shell, it is characterized in that this shell is provided with:
See from the place ahead to the described pronunciation face rear of described electroacoustic transducer expand the arch shape interpolation portion that this pronunciation face below left side or right side, to outstanding first protuberance that is provided with of this pronunciation face direction; And
From described pronunciation is faced forwards described shell above see the left side or the right side of this interpolation portion, to outstanding second protuberance that is provided with in interpolation portion rear.
2. Electroacooustic power conversion device as claimed in claim 1 is characterized in that, from the mode with the described pronunciation face almost parallel of the described shell of being made up of described interpolation portion the lead leading-out portion that hangs down from this shell being set downwards.
3. Electroacooustic power conversion device as claimed in claim 1 is characterized in that, hangs down in the lead leading-out portion that makes described shell left side or right side below described pronunciation face.
4. Electroacooustic power conversion device as claimed in claim 1 is characterized in that, described interpolation portion is inserted in the external ear chamber of ear, makes described first and second protuberance be installed in the tragus in this external ear chamber and the recess in the antitragus.
5. Electroacooustic power conversion device as claimed in claim 2 is characterized in that, described interpolation portion is inserted in the external ear chamber of ear, makes described first and second protuberance be installed in the tragus in this external ear chamber and the recess in the antitragus.
6. Electroacooustic power conversion device as claimed in claim 3 is characterized in that, described interpolation portion is inserted in the external ear chamber of ear, makes described first and second protuberance be installed in the tragus in this external ear chamber and the recess in the antitragus.
7. Electroacooustic power conversion device as claimed in claim 2 is characterized in that, described lead leading-out portion is installed between tragus and antitragus.
8. Electroacooustic power conversion device as claimed in claim 3 is characterized in that, described lead leading-out portion is installed between tragus and antitragus.
9. Electroacooustic power conversion device as claimed in claim 4 is characterized in that, described lead leading-out portion is installed between tragus and antitragus.
10. Electroacooustic power conversion device as claimed in claim 5 is characterized in that, described lead leading-out portion is installed between tragus and antitragus.
11. Electroacooustic power conversion device as claimed in claim 6 is characterized in that, described lead leading-out portion is installed between tragus and antitragus.
12., it is characterized in that described Electroacooustic power conversion device forms type in the ear as any described Electroacooustic power conversion device of claim 1 to claim 11.
13., it is characterized in that described Electroacooustic power conversion device forms the neck banding pattern as any described Electroacooustic power conversion device of claim 1 to claim 11.
14., it is characterized in that described Electroacooustic power conversion device forms clamp type as any described Electroacooustic power conversion device of claim 1 to claim 11.
15., it is characterized in that described Electroacooustic power conversion device forms head-mounted as any described Electroacooustic power conversion device of claim 1 to claim 11.
CNB2004100579148A 2003-08-27 2004-08-26 Electroacoustic emergy converter Expired - Fee Related CN100536606C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP303139/03 2003-08-27
JP303139/2003 2003-08-27
JP2003303139A JP4007282B2 (en) 2003-08-27 2003-08-27 Vertical interpolation type electroacoustic transducer

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CN1592490A CN1592490A (en) 2005-03-09
CN100536606C true CN100536606C (en) 2009-09-02

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US8249287B2 (en) 2010-08-16 2012-08-21 Bose Corporation Earpiece positioning and retaining
NO328038B1 (en) 2007-06-01 2009-11-16 Freebit As Improved uncleanness
US8737669B2 (en) 2011-07-28 2014-05-27 Bose Corporation Earpiece passive noise attenuating
JP6028463B2 (en) * 2012-08-27 2016-11-16 株式会社Jvcケンウッド headphone
CN117499833A (en) * 2023-12-29 2024-02-02 成都弱水科技有限公司 Bluetooth earphone

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JP4007282B2 (en) 2007-11-14
CN1592490A (en) 2005-03-09

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