WO2008038903A1 - Video and audio signal transfer cable and the manufacturing method thereof - Google Patents
Video and audio signal transfer cable and the manufacturing method thereof Download PDFInfo
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- WO2008038903A1 WO2008038903A1 PCT/KR2007/003899 KR2007003899W WO2008038903A1 WO 2008038903 A1 WO2008038903 A1 WO 2008038903A1 KR 2007003899 W KR2007003899 W KR 2007003899W WO 2008038903 A1 WO2008038903 A1 WO 2008038903A1
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- Prior art keywords
- video
- audio signal
- wires
- signal transmission
- pcb
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- 230000005236 sound signal Effects 0.000 title claims abstract description 138
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 108
- 239000011888 foil Substances 0.000 claims description 48
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 47
- 229910052782 aluminium Inorganic materials 0.000 claims description 47
- 238000001746 injection moulding Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000005476 soldering Methods 0.000 description 8
- HHXNVASVVVNNDG-UHFFFAOYSA-N 1,2,3,4,5-pentachloro-6-(2,3,6-trichlorophenyl)benzene Chemical group ClC1=CC=C(Cl)C(C=2C(=C(Cl)C(Cl)=C(Cl)C=2Cl)Cl)=C1Cl HHXNVASVVVNNDG-UHFFFAOYSA-N 0.000 description 5
- 230000002950 deficient Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical group 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6658—Structural association with built-in electrical component with built-in electronic circuit on printed circuit board
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6461—Means for preventing cross-talk
- H01R13/6463—Means for preventing cross-talk using twisted pairs of wires
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6461—Means for preventing cross-talk
- H01R13/6471—Means for preventing cross-talk by special arrangement of ground and signal conductors, e.g. GSGS [Ground-Signal-Ground-Signal]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/01—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for connecting unstripped conductors to contact members having insulation cutting edges
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
- H01R13/65912—Specific features or arrangements of connection of shield to conductive members for shielded multiconductor cable
- H01R13/65915—Twisted pair of conductors surrounded by shield
Abstract
The present invention relates to a video and audio signal transmission cable device and a manufacturing method thereof, and more specifically, to a video and audio signal transmission cable device using video signal dedicated wires and audio signal dedicated wires arranged in parallel with each other in one direction, and a manufacturing method thereof. A video and audio signal transmission cable device according to the present invention comprises a plurality of video signal wires twisted with each other and arranged in parallel in one direction; a plurality of audio signal wires arranged in parallel with the plurality of video signal wires; a plurality of ground wires for removing noise of a signal transferred through the video signal wires; a video and audio signal transmission PCB bonded to the plurality of wires; and a video and audio signal transmission connector allowing the video and audio signal transmission PCB to be forcibly press fitted thereinto and to be connected thereto.
Description
Description
VIDEO AND AUDIO SIGNAL TRANSFER CABLE AND THE MANUFACTURING METHOD THEREOF
Technical Field
[1] The present invention relates to a video and audio signal transmission cable device and a manufacturing method thereof. More specifically, the present invention relates to a video and audio signal transmission cable device using video signal dedicated wires and audio signal dedicated wires arranged in parallel with each other in one direction, and a manufacturing method thereof.
[2]
Background Art
[3] In general, high definition multimedia interface (HDMI) is a representative video and audio signal transmission standard, which is a standard for transmitting digital video and audio signals to an audio and video electronic device through one video and audio signal transmission cable without signal compression. Particularly, a video and audio signal transmission cable conforming to the HDMI standard is smaller than a digital video interface (DVI) cable in size since it can transmit multiple channels (i.e., 5.1 channels) of audio signals. In addition, the video and audio signal transmission cable is provided therein with a high-bandwidth digital content protection (HDCP) encryption function and also supports a multiple channel audio.
[4] Accordingly, contrarily to the DVI cable employed only for appliances, the HDMI cable can be employed for audio and video electronic devices.
[5] Figs. 1 and 2 are views showing a cable conforming to a conventional HDMI standard. In such a cable conforming to the HDMI standard, video signal lines and audio signal lines are placed in the same cable IA. Particularly, as shown in Fig. 2, the conventional HDMI cable is configured to have twelve signal lines IA-I divided into four groups for video signal transmission and seven signal lines 1A-2 for audio signal transmission, which are wrapped in a tube.
[6] Fig. 1 is a perspective view schematically showing a conventional video and audio signal transmission cable device before soldering. In manufacturing the conventional video and audio signal transmission cable device, it is inconvenience in that an outer jacket of each of video signal and audio lines is peeled off, and each of the signal lines is directly connected to a terminal 3C provided on the opposite side of a connection point 3B one by one by a soldering method.
[7] Further, in such a structure of a conventional video and audio signal transmission connector 3A, since gaps between connection points 3B or terminals 3C are too narrow
and the connection points 3B or terminals 3C are arranged in a complicated structure of a double layer, direct soldering is not an easy work, and thus a production rate of defective products is increased when manufacturing products.
[8] Furthermore, since a plastic molded connector 3A is used to prevent the video and audio signal lines from being put together, there is a problem in that it is inconvenient due to the thickness of the cable IA to handle a cable when forming the product, and in that work efficiency is also lowered to thereby increasing the defective rate of a product. Accordingly, it is difficult to work promptly and satisfy productivity by the conventional method of manufacturing a cable device.
[9] Therefore, in order to solve the problems of the conventional cable, it needs to manufacture a cable and a cable device using the same capable of minimizing the defective rate while improving work productivity.
[10]
Disclosure of Invention Technical Problem
[11] An object of the present invention is to provide a video and audio signal transmission cable device and a manufacturing method thereof, in which the productivity, workability, and the like are improved by using a video and audio signal transmission cable having video signal dedicated wires and audio signal dedicated wires arranged in parallel with each other while conforming to a video and audio signal transmission standard.
[12]
Technical Solution
[13] A video and audio signal transmission cable device according to the present invention for achieving the objects comprises a plurality of video signal wires twisted with each other and arranged in parallel in one direction; a plurality of audio signal wires arranged in parallel with the plurality of video signal wires; a plurality of ground wires for removing noise of a signal transferred through the video signal wires; a video and audio signal transmission PCB bonded to the plurality of wires; and a video and audio signal transmission connector allowing the video and audio signal transmission PCB to be forcibly press fitted thereinto and to be connected thereto, wherein the video signal wires are formed to be twisted with each other in pairs, and a pair of the video signal wires twisted with each other and a ground wire are wrapped in a first aluminum foil in a group.
[14] The video and audio signal transmission PCB of the present invention for achieving the objects may further comprise bonding portions to which the wires are bonded in one-to-one correspondence to the wires and arranged in parallel with each other in one
direction.
[15] In order to achieve the objects, entire bottom and upper surfaces of the wires of the present invention may be respectively wrapped in second aluminum foils that are two divided sheets to prevent radiation of electromagnetic waves and to build insulation.
[16] A method of manufacturing a video and audio signal transmission cable device according to the present invention for achieving the objects, in which a video and audio signal transmission cable, a video and audio signal transmission PCB and a video and audio signal transmission connector are coupled, comprises the steps of: preparing a video and audio signal transmission cable including a plurality of video signal wires arranged in parallel in one direction, ground wires one of which is arranged per two of the video signal wires, and audio signal wires arranged in parallel with the video signal wires, wherein said video signal wires are twisted with each other in pairs, said twisted video signal wires and one of the ground wires are wrapped in a first aluminum foil in a group, the wire groups wrapped in the first aluminum foils and audio signal wires are wrapped again in a second aluminum foil, and said video signal wires groups and the audio signal wires wrapped in the second aluminum foils are wrapped in a tube together; peeling off an outer jacket of the video and audio signal transmission cable, separating and removing the aluminum foils, and exposing cores of the plurality of the wires; press fitting and connecting the video and audio signal transmission PCB into and to the video and audio signal transmission connector; fusing and coupling the video and audio signal transmission PCB and the wires using a jig; performing a first injection molding to cover a fused portion of the video and audio signal transmission PCB and the wires with an insulative; installing an aluminum foil on the insulative, the aluminum foil extending to the video and audio signal transmission connector; and performing a second injection molding on the video and audio signal transmission cable, the PCB and the connector.
[17]
Advantageous Effects
[18] A video and audio signal transmission cable device of the present invention is effective in that signal interference and generation of electromagnetic waves are reduced due to video signal dedicated wires and audio signal dedicated wires arranged in parallel.
[19] In addition, two video signal wires and a ground wire are wrapped in a first aluminum foil in a group, and audio dedicated wires are wrapped in a first aluminum foil as a whole. Then, the upper and lower surfaces of the wires are wrapped in a second aluminum foil as a whole. Therefore, the cable device has an effect of decreasing radiation of electromagnetic waves and improving insulation capability.
[20] Furthermore, a jig for fixing a video and audio signal transmission cable is used when wires are connected to a PCB, and thus, there is an effect of reducing errors in soldering or the like.
[21]
Brief Description of the Drawings
[22] Fig. 1 is a perspective view schematically showing a conventional video and audio signal transmission cable device before soldering.
[23] Fig. 2 is a sectional view showing the transmission cable of Fig. 1.
[24] Fig. 3 is a plan view showing a video and audio signal transmission cable device according to the present invention.
[25] Fig. 4 is a sectional view taken along line A-A' of Fig. 3.
[26] Fig. 5 shows a side view of Fig. 3.
[27] Fig. 6 is an oscilloscope waveform diagram showing an improved signal characteristic of the video and audio signal transmission cable device according to the present invention.
[28] Fig. 7 is a view showing the step of preparing a video and audio signal transmission cable in a method of manufacturing a video and audio signal transmission cable device according to the present invention.
[29] Fig. 8 is a view showing the step in which a PCB of a video and audio signal transmission connector is fused with and coupled to wires in the method of manufacturing a video and audio signal transmission cable device according to the present invention.
[30] Fig. 9 is a view showing a result of a first injection molding process in the method of manufacturing a video and audio signal transmission cable device according to the present invention.
[31] Fig. 10 is a view showing the step in which the cable system is covered with a third aluminum foil after the first injection molding process in the method of manufacturing a video and audio signal transmission cable device according to the present invention.
[32] [Explanation of Reference Numerals for Major Portions Shown in Drawings]
[33] 1, 2, 4, 5, 7, 8, 10, 11: Video signal wire
[34] 3, 6, 9, 12: Ground wire
[35] 13 ~ 19: Audio signal wire
[36] 20: First aluminum foil
[37] 30, 40: Second aluminum foil
[38] 50: Tube
[39] 60: Video signal dedicated wire
[40] 70: Audio signal dedicated wire
[41] 80: Bonding portion
[42] 85: First injection molded portion
[43] 90: Third aluminum foil
[44] 100: Video and audio signal transmission cable
[45] 200: Video and audio signal transmission PCB
[46] 300: Video and audio signal transmission connector
[47]
Best Mode for Carrying Out the Invention
[48] Hereinafter, the configuration of a video and audio signal transmission cable device according to the present invention will be described in detail with reference to the accompanying drawings.
[49] Fig. 3 is a plan view showing a video and audio signal transmission cable device according to the present invention, Fig. 4 is a sectional view taken along line A-A' of Fig. 3, and Fig. 5 shows a side view of Fig. 3.
[50] As shown in the figures, the video and audio signal transmission cable device of the present invention comprises a video and audio signal transmission cable 100 in which video signal dedicated wires 60 and audio signal dedicated wires 70 are arranged in parallel, a video and audio signal transmission PCB 200 bonded with the wires, and a video and audio signal transmission connector 300 which the PCB 200 is forcibly press fitted into and connected to.
[51] Here, the video and audio signal transmission cable 100 is characterized in that the video signal dedicated wires 60 and the audio signal dedicated wires 70 are arranged in parallel, wherein the video signal dedicated wires 60 and the audio signal dedicated wires 70 are electric wires for taking exclusive charge of transmitting video and audio signals respectively in conformance to a video and audio signal transmission standard. A representative example of the video and audio signal transmission cable device is a HDMI cable device, and the present invention will be described referring to the HDMI standard version 1.3 type A. However, the scope of the present invention is not limited to the HDMI standard. In addition, the functions and roles of the wires based on the HDMI standard conform to the standard and will not be described in detail.
[52] As shown in Fig. 4, the video signal dedicated wires 60 comprises a plurality of video signal wires 1, 2, 4, 5, 7, 8, 10 and 11 and a plurality of ground wires 3, 6, 9 and 12.
[53] The plurality of ground wires 3, 6, 9 and 12 are arranged such that one of the ground wires is arranged per two of the video signal wires 1, 2, 4, 5, 7, 8, 10 and 11 on the lower surface thereof. For example, the ground wire 3 is arranged per the two video signal wires 1 and 2.
[54] In addition, the video signal wires are formed to be twisted with each other in pairs, and a pair of the video signal wires twisted with each other and one of the ground wires are wrapped in a first aluminum foil 20 in a group to form video signal wire groups (1, 2, 3), (4, 5, 6) and (7, 8, 9). The video signal wire groups are arranged in parallel.
[55] In the meantime, the audio signal dedicated wires 70 comprises a plurality of audio signal wires 13 to 19, and the audio signal wires are arranged in parallel.
[56] The entire bottom and upper surfaces of the video and audio signal dedicated wires
60 and 70 arranged in parallel are respectively wrapped in second aluminum foils 30 and 40 that are two divided sheets, in order to prevent radiation of electromagnetic waves and to build insulation.
[57] Accordingly, the ground wires 3, 6, 9 and 12 and the aluminum foils can remove noises and the like generated from the video signal wires 1, 2, 4, 5, 7, 8, 10 and 11.
[58] As shown in Fig. 3 or 5, the video and audio signal transmission PCB 200 is connected to bonding portions 80 that correspond to the wires one to one and are arranged in parallel with each other in one direction. The second aluminum foils 30 and 40 extend to a conductive portion of the video and audio signal transmission connector 300 to wrap around it, and a third aluminum foil may be used to extend the length of the foils.
[59] Hereinafter, a characteristic value graph of the improved cable device of the present invention will be described referring to Fig. 6.
[60] As shown in the figure, a signal characteristic of the cable device according to the present invention is measured with a TDT oscilloscope of Tektronix, wherein the oscilloscope is an apparatus for measuring whether each of the video signal wires transfers a signal in the same manner when voltage is gradually increased from zero voltage to a target value. The waveform shown in the figure is a waveform of a time minutely measured until the voltage arrives at a specific voltage when the same signal is transmitted through pairs of the video signal wires.
[61] As shown at point A of Fig. 6, the video and audio signal transmission cable device according to the present invention shows a point where a skew voltage is measured as 4 picoseconds, and the skew voltage of the cable device according to the present invention is characterized by showing a range of 4 to 10 picoseconds. This characteristic satisfies a transmission criterion that a skew voltage is preferable if it is less than 111 picoseconds. In particular, it can be confirmed that the signal characteristic is improved as compared with a skew voltage of several hundred picoseconds measured in a conventional cable.
[62] Hereinafter, a method of manufacturing a video and audio signal transmission cable device of the present invention will be described.
[63] Figs. 7 to 10 are views showing the steps in a method of manufacturing a video and audio signal transmission cable according to the present invention. That is, Fig. 7 is a view showing the step of preparing a video and audio signal transmission cable in a method of manufacturing a video and audio signal transmission cable device according to the present invention, Fig. 8 is a view showing the step in which a PCB of a video and audio signal transmission connector is fused with and coupled to wires, Fig. 9 is a view showing the step after a first injection molding process, and Fig. 10 is a view showing the step in which the cable system is covered with a third aluminum foil after the first injection molding process.
[64] The method of manufacturing a video and audio signal transmission cable device as described above comprises the steps of preparing a video and audio signal transmission cable, press fitting and connecting a video and audio signal transmission PCB into and to a video and audio signal transmission connector, exposing wire cores of the cable and coupling the video and audio signal transmission PCB and the wires of the video and audio signal transmission cable, and injection molding the video and audio signal transmission connector, the PCB and the cable.
[65] First, in the first step, a video and audio signal transmission cable is prepared as shown in Fig. 7. The video and audio signal transmission cable has a form including a plurality of video signal dedicated wires, a plurality of audio signal dedicated wires, and a plurality of ground wires arranged in one direction, in which two of the video wires and one of the ground wires are configured in a group and wrapped in a first aluminum foil 20, the entire wires are wrapped in second aluminum foils 30 and 40, and the wires wrapped in the second aluminum foils 30 and 40 are wrapped in a tube 50.
[66] In the second step, the video and audio signal transmission PCB is connected to the video and audio signal transmission connector. One side of the video and audio signal transmission PCB on which a circuit is formed to have the same pitch as the connection terminals of the video and audio signal transmission connector is press fitted into the connector and brought into contact with the connection terminals thereof, and then, the PCB is firmly fixed to the connector by soldering.
[67] As shown in Fig. 8, in the third step, the tube of the video and audio signal transmission cable 100 is peeled off, the first aluminum foils 20 wrapping round the wires are removed, and the second aluminum foils 30 and 40 are peeled but remain. Thereafter, each core of the wires is exposed, and then, the video and audio signal transmission PCB 200 and the wires are fused and coupled. A thermal fusing method is used as the fusing method, and other soldering methods also may be used. Particularly, since a jig for fixing the video and audio signal transmission cable is used in the fusing step, the 19 wires can be fused at the same time. Thus, production errors can be sig-
nificantly reduced as compared with a prior art.
[68] The jig, which is an alignment jig for simultaneously fusing cores of 19 electric wires in the fusing work, is an apparatus including a block having the same pitch as a fused surface of the PCB to temporarily attaching the wires thereto.
[69] Then, after the coupling step, a first injection molding is performed on the fused portion of the PCB 200 and the wires. At this time, the first injection molding is preferably performed with an insulative that can be melted by heat. The first injection molding is performed in a state where the second aluminum foils 30 and 40 that wrapped round the wires remains (see Fig. 9). After the first injection molding, the second aluminum foils 30 and 40 cover to extend to the connector. If the second aluminum foils are not long enough to extend to the connector (see B of Fig. 9), after the first injection molding, a third aluminum foil 90 is wrapped around the connector to cover a first injection molded portion 85, so that the second aluminum foils 30 and 40 can be electrically connected to the conductive terminals of the video and audio signal transmission connector 300. Accordingly, the second aluminum foils 30 and 40 and the third aluminum foil 90 can function as a ground.
[70] Finally, the step of injection molding the video and audio signal transmission cable, the PCB, and the connector is performed. After arranging the entire of the connector 300 to be wrapped in the third aluminum foil 90 after the first injection molding, a second injection molding is performed, thereby manufacturing a finished product of the video and audio signal transmission cable device of the present invention.
[71] Although the present invention has been described in connection with the aforementioned specific embodiments, it will be readily understood by those skilled in the art that various modifications and changes can be made thereto within the scope of the present invention. It will be apparent that the present invention covers the modifications and changes.
[72]
Industrial Applicability
[73] When an apparatus and method of the present invention is practically used, signal interference between wires and generation of electromagnetic waves can be reduced since video signal dedicated wires and the audio signal dedicated wires are arranged in parallel. In addition, the apparatus and method can be used to reduce radiation of electromagnetic waves and enhance insulation by wrapping the video signal wires and the ground wires in groups in first aluminum foils, wrapping the entire of the audio signal dedicated wires in a first aluminum foil, and wrapping the entire bottom and upper surfaces of the wires in second aluminum foils.
[74] Furthermore, since a jig for fixing the video and audio signal transmission cable is
used when the wires are connected to the PCB, the present invention can be used to reduce errors in soldering. [75]
Claims
[1] A video and audio signal transmission cable device, comprising: a plurality of video signal wires twisted with each other and arranged in parallel in one direction; a plurality of audio signal wires arranged in parallel with said plurality of video signal wires; a plurality of ground wires for removing noise of a signal transferred through said video signal wires; a video and audio signal transmission PCB bonded to the plurality of wires; and a video and audio signal transmission connector allowing said video and audio signal transmission PCB to be forcibly press fitted thereinto and to be connected thereto.
[2] The apparatus as claimed in claim 1, wherein said video signal wires are formed to be twisted with each other in pairs, and said video signal wires twisted with each other and a ground wire are wrapped in a first aluminum foil in a group.
[3] The apparatus as claimed in claim 1, wherein said video and audio signal transmission PCB further comprises bonding portions to which the wires are bonded in one-to-one correspondence to the wires and arranged in parallel with each other in one direction.
[4] The apparatus as claimed in claim 1, wherein entire bottom and upper surfaces of said wires are respectively wrapped in second aluminum foils that are two divided sheets to prevent radiation of electromagnetic waves and to build insulation.
[5] A method of manufacturing a video and audio signal transmission cable device, in which a video and audio signal transmission cable, a video and audio signal transmission PCB and a video and audio signal transmission connector are coupled, the method comprising the steps of: preparing a video and audio signal transmission cable including a plurality of video signal wires arranged in parallel in one direction, ground wires one of which is arranged per two of the video signal wires, and audio signal wires arranged in parallel with the video signal wires, wherein said video signal wires are twisted with each other in pairs, said twisted video signal wires and one of the ground wires are wrapped in a first aluminum foil in a group, the wire groups wrapped in the first aluminum foils and audio signal wires are wrapped again in a second aluminum foil, and said video signal wires groups and the audio signal wires wrapped in the second aluminum foils are wrapped in a tube together; peeling off an outer jacket of the video and audio signal transmission cable,
separating and removing the aluminum foils, and exposing cores of the plurality of the wires; press fitting and connecting the video and audio signal transmission PCB into and to the video and audio signal transmission connector; fusing and coupling the video and audio signal transmission PCB and the wires using a jig; performing a first injection molding to cover a fused portion of the video and audio signal transmission PCB and the wires with an insulative; installing an aluminum foil on the insulative, the aluminum foil extending to the video and audio signal transmission connector; and performing a second injection molding on the video and audio signal transmission cable, the PCB and the connector. [6] The method as claimed in claim 5, wherein the jig is processed to have the same pitch as a fused surface of the PCB to simultaneously fuse the cores of the plurality of wires. [7] The method as claimed in claim 5, wherein a circuit is formed on one side of the video and audio signal transmission PCB to have the same pitch as the connection terminals of the video and audio signal transmission connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008541094A JP2009516349A (en) | 2006-09-28 | 2007-08-14 | Video / audio signal transmission cable device and manufacturing method thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060094778A KR100833264B1 (en) | 2006-09-28 | 2006-09-28 | Video and audio signal transfer cable and the manufacturing method thereof |
| KR10-2006-0094778 | 2006-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008038903A1 true WO2008038903A1 (en) | 2008-04-03 |
Family
ID=39230310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2007/003899 WO2008038903A1 (en) | 2006-09-28 | 2007-08-14 | Video and audio signal transfer cable and the manufacturing method thereof |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2009516349A (en) |
| KR (1) | KR100833264B1 (en) |
| WO (1) | WO2008038903A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6281481B2 (en) * | 2014-12-17 | 2018-02-21 | 株式会社オートネットワーク技術研究所 | Connector and wire unit |
| KR102369395B1 (en) * | 2021-08-18 | 2022-03-02 | (주)두원테크 | Cable connector and manufacturing method thereof |
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| JPH11273800A (en) * | 1998-02-25 | 1999-10-08 | Minnesota Mining & Mfg Co <3M> | Method for allotting differential signal to contact of connector and cable assembly |
| US6540562B1 (en) * | 2000-02-10 | 2003-04-01 | Avp Mfg. & Supply Inc. | Panel system for communication jacks |
| KR20040047651A (en) * | 2002-11-27 | 2004-06-05 | 타이코 일렉트로닉스 에이엠피 케이.케이. | Electrical cable assembly |
| KR20050096701A (en) * | 2004-03-31 | 2005-10-06 | (주)오피트정보통신 | Digital visual transmmiter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH099155A (en) * | 1995-06-22 | 1997-01-10 | Sharp Corp | Photoelectric composite link type vtr and tv equipment |
| KR100497659B1 (en) * | 2002-08-03 | 2005-07-01 | 퉁-신 우 | Interface connector against electromagnetic interference |
| JP4357904B2 (en) * | 2003-09-04 | 2009-11-04 | タイコエレクトロニクスアンプ株式会社 | Cable connector |
| JP2007098002A (en) * | 2005-10-07 | 2007-04-19 | Nippon Telegr & Teleph Corp <Ntt> | Biological information detecting device |
-
2006
- 2006-09-28 KR KR1020060094778A patent/KR100833264B1/en active IP Right Grant
-
2007
- 2007-08-14 JP JP2008541094A patent/JP2009516349A/en active Pending
- 2007-08-14 WO PCT/KR2007/003899 patent/WO2008038903A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05343114A (en) * | 1992-06-09 | 1993-12-24 | Kitagawa Ind Co Ltd | Attachment for fixing connecting terminal |
| JPH11273800A (en) * | 1998-02-25 | 1999-10-08 | Minnesota Mining & Mfg Co <3M> | Method for allotting differential signal to contact of connector and cable assembly |
| US6540562B1 (en) * | 2000-02-10 | 2003-04-01 | Avp Mfg. & Supply Inc. | Panel system for communication jacks |
| KR20040047651A (en) * | 2002-11-27 | 2004-06-05 | 타이코 일렉트로닉스 에이엠피 케이.케이. | Electrical cable assembly |
| KR20050096701A (en) * | 2004-03-31 | 2005-10-06 | (주)오피트정보통신 | Digital visual transmmiter |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100833264B1 (en) | 2008-05-28 |
| JP2009516349A (en) | 2009-04-16 |
| KR20080029149A (en) | 2008-04-03 |
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