CN100504972C - A display system - Google Patents
A display system Download PDFInfo
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- CN100504972C CN100504972C CNB2004800417828A CN200480041782A CN100504972C CN 100504972 C CN100504972 C CN 100504972C CN B2004800417828 A CNB2004800417828 A CN B2004800417828A CN 200480041782 A CN200480041782 A CN 200480041782A CN 100504972 C CN100504972 C CN 100504972C
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- display system
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- data
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Abstract
A display system for showing advertisements is disclosed which includes a shelf TV(12)which has a display(14)and speaker(16). A proximity sensor(71, 150, 300)is provided for sensing the proximity of a person to the TV and for switching the TV on so that an advertisement is displayed. An attenuating circuit comprising a timer(180), relay(189)and mosfet(198)is provided for attenuating the volume supplied to the speakers so that as a person approaches the TV screen, the volume is reduced to a comfortable level.
Description
Technical field
The present invention relates to a kind of display system, be specifically related to a kind of posture TV that is placed on department store or other retail shops, can be at the commodity of display ads on this TV to attract to sell near the purchase of customer posture TV.
Background technology
The system of display ads material or similar information is known.Common this system expensive and complexity, it provides show and colour from remote location to some different display units that are positioned at department store or other retail shops.Usually, show and colour offers server by being the communication link of industrial siding from remote location, and this server can be controlled the display unit in or the one group of department store.This server then is loaded in the show and colour that shows on the equipment down.Usually, the show and colour circulation is play continuously.
There are some shortcomings in such system.First shortcoming is a system cost.Because the server of a remote location and control module group need be provided, its cost is obviously very high.
Another shortcoming is that because the common loop play of show and colour, it has formed " background noise " to client, can not be attracted to client's notice on the show and colour especially.In addition, because the material loop play, a client may only see the advertisement of playing half, thereby can not obtain desired information.
Summary of the invention
The purpose of first invention provides a kind of display system, the information that its more possible attracting notice watches this display system to show.
Therefore, we can say to the invention belongs to display system that it comprises:
A data medium is used to comprise with by this system's data presented;
A display screen is used to show these data; And
A proximity sensor is used to detect the existence of people this display system near, and activates this system with video data on this display screen;
At least one loudspeaker is used for outputting audio data; And
One is high to the amount of bass controller, with in the preset time cycle, the voice data volume of loudspeaker is changed to lower volume from higher volume, with the motion of approximate people near display system, and along with the people near display system, keep the comfortable volume of listening to.
Because proximity sensor detects near the people's of display system existence, begin played data (as advertisement) in the time of near the people enters system, the easier data that are shown of this person attract also to watch display screen.In addition because when the people near the time video data, therefore this person can watch whole message, obtains the complete influence of data.Therefore, when this system was used for advertised product, this system more can attract client's notice, and guaranteed that client obtains the full content of advertisement, so client is easier to be subjected to attracting to buy near the product of selling the display system.
Under the preferable case, data medium and display screen form TV monitor.
Under the preferable case, this monitor comprises that erecting device is to be installed in this monitor on the shelf in shop.
In one embodiment, data medium can comprise compact-disc, flash memory storage devices or a tape etc. that comprise data.
In a typical embodiment, this system also comprises traditional control circuit, is used for from the data medium reading of data, and shows these data on the screen of display device.
Under the preferable case, proximity sensor comprises an optical sensor.Yet, also can use other forms of proximity sensor, as the detecting device of motion detector, radar type, thermal detector or the like.
Most preferred situation is that optical sensor is a photo-resistor.
Under the preferable case, on-off element of sensor operation, itself so operate a relay, with to the power supply of described system, activate described system, video data.
In one embodiment, sensor is in parallel with a power supply, this power supply is used for to the first transistor and transistor seconds power supply, this transistor seconds is connected with this power supply parallel connection and with described relay, this the first transistor also is connected with this power supply, therefore work as sensor and receive the light time, provide electric current to the first transistor, so that its conducting, therefore, do not power to transistor seconds, when sensor receives the less light time, its assignor is near described system, and the first transistor ends, and then provide electric current to transistor seconds, so that its conducting comes the closing relay switch to activate relay, therefore to this system's power supply, make the data medium output data, on display screen, show.
In one embodiment, this system comprises a timer circuit, is used to keep the power supply of described system, demonstration is kept one section preset time.
In one embodiment, fader comprises a signal distributor, this signal distributor is connected with an amplifier input, this amplifier provides sound signal for this at least one loudspeaker, and this divider also is connected with a transistor, and a charge member is connected with this transistor, therefore when charge member charges, the slowly conducting of this transistor so that this signal distributor reduces the semaphore that offers this amplifier, thereby reduces from the volume of the voice data of this at least one loudspeaker output..
In one embodiment, fader comprises a timer, is used to set the time cycle of described charging device charging, so transistor turns, changes to time cycle than amount of bass to set volume from higher volume.
Under the preferable case, charge member is a capacitor.
In another embodiment, proximity sensor is connected with an operational amplifier block, when detecting man-hour, this operational amplifier block receives the output from described sensor, a window comparator is used to receive the output of this amplifier unit and produces control output, a timer circuit is used for receiving control output and excitation output is provided, to activate described data medium, display screen is shown and played data, behind the predetermined time delay through the timing circuit setting, close data medium, to stop demonstration and the broadcast of data at display screen and loudspeaker.
In this embodiment of the present invention, also activate a decay timer circuit from the pumping signal of timer circuit, with the volume of attenuation audio data on cycle time.
Under the preferable case, attenuator circuit comprises a capacitor and a mos field effect transistor, this mos field effect transistor is connected with a variohm, this variohm has the input and the output that is used for voice data is exported to loudspeaker that are used to receive voice data, during wherein to this capacitor charging, the slowly conducting of this mos field effect transistor, with variohm ground connection, therefore make the sound signal decay of the output that offers variohm.
Description of drawings
Below with reference to accompanying drawing the preferred embodiments of the present invention are described by way of example, wherein:
Fig. 1 is the front view that adopts the display system of posture television style according to preferred embodiment;
Fig. 2 is the bottom perspective view of the system of Fig. 1;
Fig. 3 is the rear view of the system of Fig. 1;
Fig. 4 is the circuit block diagram according to the display system of an embodiment;
Fig. 5 is the detailed icon of a part of the block diagram of Fig. 4;
Fig. 6 is the detailed icon of a part of the block diagram of Fig. 4;
Fig. 7 is the circuit diagram of an alternative embodiment of the invention;
Fig. 8 is the wiring diagram of most preferred embodiment.
Embodiment
Fig. 1 shows the preferred form of the display form of the present invention that adopts the posture television style to Fig. 3, and it has can be the shell 12 of Any shape, the loudspeaker 16 that is used for the display screen 14 of display video data and is used for output audio.Video data in the preferred embodiment and voice data comprise the advertisement that is used for promotion item.Shell 12 comprises the erection bolt 18 that is positioned on the rear surface, as shown in Figure 3, so that this system can be installed on the shelf, perhaps is positioned near the commodity of selling in department store, shop etc.
Should be appreciated that 18 representatives of bolt are installed on a kind of form on shelf or other similar structures to this unit, also can use other forms of support obviously, connect first-class.
This system also comprises proximity detector 20, to detect the people, as the possible client and the degree of approach of display system, can activate display system like this, to show about being positioned near the advertisement information of the product the display.Advertisement information is intended to attract client's notice, and the information relevant with product is provided, so that client more may buy this product.
Thereby proximity sensor 20 detects the appearance activation system of people these systems near, and therefore, advertisement information is showed with visual advertisements on the display screen 14 and the form from the audio frequency output of loudspeaker 16 followed by system.Because advertisement just begins only near client moves to this system the time, the people more may be immediately by advertisement attracts, and by contrast, the advertisement that shows is more difficult attractive continuously.Therefore, the people more may notice this kind advertisement.In addition, from the beginning advertisement plays, and therefore, the people has an opportunity to watch whole advertisement, so provide and sell the relevant entire message of product, has increased the possibility that people buy these products like this.
Fig. 4 is the entire block diagram of this system.
For the purpose of clear, Fig. 5 and Fig. 6 show the different piece of the block diagram of Fig. 4 with bigger ratio.This system has detector member 30, and high to amount of bass controller 40, video and audio frequency control assembly 50 and video show and audio output part 60.Parts 60 roughly comprise previously described display 14 and loudspeaker 16, and their common traditional control circuits, are not described in detail at this.Voice ﹠ Video control assembly 50 comprises the medium of stores advertisements material, as flash card, CD, tape or any other suitable storage medium, and reading of data and data are offered the control circuit of parts 60 as vision signal and sound signal.Explanation no longer is described in detail these traditional details once more.
During the rayed resistor 71 of continuous strength, the electric current resistor 71 of can along the line 91 flowing through, it depends on and is provided with and variohm 72.Therefore, transistor 73 conductings, the electric current line 92 of flowing through.Therefore this then causes transistor 80 to end, and does not have the electric current relay 90 of flowing through.Therefore, relay switch 90 is still opened.
Yet if the light of irradiation resistor 71 is blocked, for example, by from afar, outside 2 meters, the people who walks close to this system blocks, resistor 71 not conductings, and transistor 73 is not biased so ends.Transistor 80 is by diode 75 so, variohm 76 and resistor 78 forward bias, therefore, the electric current relay 90 of flowing through, relay switch 92 closures.Therefore, be parts 50 power supplies by switch 92 via line 93, with activating part 50 and make the video that is stored in parts 60 and audio-frequency information is read out and show at parts 60.
The second adjustable resistance device 76 setting-up times also remain on out relay 90.When light beam shone resistor 71 once more, for example, when the people removed near system, the power supply of block system relay R2 was closed the power supply to parts 50.
As shown in Figure 4, the video output cable 100 of parts 50 directly is connected with parts 60.The audio output line 101 of parts 50 is connected with parts 40, adjusts volume with the distance that depends on people and system.
Can find out apparently that from Fig. 4 line 101 is connected with variohm 102, variohm 102 and amplifier signal input 103 is connected, and amplifier signal is imported 103 and is connected with display unit 60.Therefore, sound signal arrives amplifier 103 by parts 40, arrives parts 60 then, to export by previously described loudspeaker 16.
When first to parts 50 power supply, as mentioned before, transistor 73 ends, and the some A of parts 40 is for floating, and directly arrives amplifiers 103 by variohm 102 from the audio frequency of parts 50.Capacitor 103a slowly charges, and the duration of charging is set by variohm 104, and variohm 104 is connected with transistor 107 with resistance 106 by diode 105.Slowly conducting of mos field effect transistor 107 is effectively with the some A ground connection of variohm 102.Therefore, a part of signal passes to ground rather than to amplifier 103, has reduced signal and volume thus by line 109.The volume of final expectation can be provided with by variohm 102.
When the power supply of parts 50 is cut off and then during unblank, repeats the process of front.Therefore, when power supply opening, all audio frequency signal supply part 60, after after a while, supply part 60 be the volume that reduces, reduce the audio volume level of the sound signal of loudspeaker 16 outputs thus.Relay 90 comprises relay switch 95 and 96, and when not powering, it is by line 111 and 112 pairs of transistor 103 discharges.Repeatably time delay is arranged when therefore, this guarantees once more to parts 50 power supplies.
Fig. 7 shows an alternative embodiment of the invention.
Referring to Fig. 7, use to give a tongue-lashing and cough up the close of (pyrol)-electric infrared moving sensor 150 detection people.When people's process sensor 150, sensor 150 detects the heat that human body produces, the low frequency signal that sensor 150 produces about 8Hz.This makes video show beginning.The output of sensor 150 is sent to the noninverting input of amplifier 151 by line 152.Amplifier 151 is gone back and is connected by capacitor 153, resistor 154, capacitor 155 and the bandpass filter that resistor 156 forms.The bandwidth of bandpass filter is about 8Hz.The gain that amplifier 151 provides is about 30dB.The output of amplifier 151 is connected with amplifier 160 by capacitor 161 and resistor 162.Form bandpass filter 164 in the mode similar with previously described bandpass filter, amplifier 160 provides the gain of 30dB again.
The output of amplifier 160 is connected with capacitor 167, and 167 in capacitor sends to window comparator circuit 168 to the signal from amplifier 160, and it is made of comparer 169 and 170.The window voltage of window comparator 168 is made as about 3 volts to anti-phase input 171, and noninverting input 172 is made as 1.7 volts.
When detecting the human heat, amplifier 160 produces the voltage output of supplying with capacitor 167.Voltage swing outside any this voltage window all makes the output 173 of comparer 169 for low, and it can trigger timer circuit 180 by line 181.Line 181 is connected between diode 182 and 183, and therefore, comparer 169 and 170 output are isolated from each other.Set by variohm 185 and capacitor 186 time delay of timer 180.For example, can be one minute time delay.Can be by regulating the 185 control lag times of variohm.When timer 180 during by the signal triggering on the line 181, output 187 uprises, and it activates relay 188.This makes contactor 189 closures, so power supply 191 is supplied with reference to figure 4 described multimedia boards by output 193 then to line 192 power supplies.When contactor 190 was opened, this made capacitor 195 by resistor 196 and 197 chargings.Resistor 196 is set the time of MOSFET 198 conductings.Before MOSFET 198 conductings, sound signal is supplied with variohm 199 from audio frequency input 200, and offers described audio frequency input by slide contact 201 outputs, and this is to provide the audio frequency input same mode with previous embodiment from signal amplifier 103.
When capacitor 195 charges to sufficiently high electromotive force with conducting MOSFET 198 slowly, variohm 199 effective groundings, sound signal decay.Therefore, the original audio signal that detects the man-hour generation is set by variohm 199, along with capacitor C9 charging, in the hypothesis near TV, the sound signal decay is along with the people walks close to based on the people, therefore volume decay when the close TV 12 (Fig. 1 illustrates) of people, produces comfortable volume.
When timer 180 timing finished, relay 188 was by deactivation, so contactor 189 is opened.To disconnect from the power supply of line 191, finish the video playback circulation to multimedia board.Contactor 190 closures, this makes capacitor 195 by line 202 discharges, therefore prepares to be used for next round-robin audio level control.
Fig. 8 shows an alternative embodiment of the invention, wherein identical label indication and the described same parts of Fig. 7.
In the embodiment of Fig. 8, sensor 300 is to give a tongue-lashing the integrated circuit of coughing up electric infrared moving sensor.Sensor 300 comprises a passive infrared element, an amplifier and a comparer output circuit.When the people when the sensor 300, the heat that sensor produces to human body also produces a low frequency signal, it is exaggerated by the integrated circuit in the sensor 300, this signal sends the interior comparator circuit of sensor 300 to.This makes that comparator circuit is high, provides a high output signal to transistor 302 on online 301, and this high output signal makes transistor turns, so line 303 step-downs.Low signal on 303 triggers timer 180 by line 304.In this embodiment, resistor 185 is not a variohm, and itself and capacitor 186 form delay circuits jointly.Timer 180 is with the mode operational relay 188 identical with previous embodiment, to provide output with the described identical mode of preamble 193,200 and 201.
When media file begins to play, uprise from the line 310 of multimedia card, it makes transistor 311 conductings.This makes the pin 312 of integrated circuit 313 keep low.After playing media file, line 310 change states are drawn high line 312.Effective output of circuit 313 offers transistor 315 by dimmer switch (dipswitch) 314, and it makes transistor 315 conductings.This so make line 316 step-downs, it can close power supply to timer by line 181, with the replacement timer, and closes power supply to media player.
The R-C circuit that be made up of the power supply on the line 181 and resistor 185 and transistor 186 start-up time of timer 180 is provided with.For example, the opening time maximum can be made as 5 minutes, to allow the advertisement of any length, as product demonstration etc.
At the end of each advertisement, circuit 313 corresponding effectively pin one to the 4 output high signal time in office of Fig. 8 only a pin be effective.Therefore, by the dimmer switch setting, the pin that dimmer switch sets receives high output.This makes transistor 315 conductings, line 306 step-downs.Line 306 step-downs can reset timer 180 so release relay 188.System enters standby mode then.
When relay-contactor 189 is opened, be circuit 321 and media player input 322 power supplies no longer by line 320.
In the embodiment of Fig. 8, relay 188 and resistor 351 and light emitting diode 352 parallel connections are with the state of Displaying timer device 351, promptly, give the power supply of light emitting diode and relay simultaneously from timer 180, therefore when timer 180 was given relay 188 power supplies, light emitting diode brightened.
During the claim hereinafter and the invention of preamble are described, except context needs or because language performance or the essential implication, the usage that " comprises " speech is meant and comprises, promptly, specify the existence of the feature stated, but be not precluded within the existence that other or more features are arranged in different embodiments of the invention.
Because those skilled in the art can expect the modification in the spirit and scope of the invention at an easy rate, so the invention is not restricted to the specific embodiment that preamble is described for example.
Claims (19)
1, a kind of display system comprises:
A data medium is used to comprise with by this system's data presented;
A display screen is used to show these data;
A proximity sensor is used to detect the existence of people this display system near, and activates this system to show these data on this display screen;
At least one loudspeaker is used for outputting audio data; And
One high to the amount of bass controller, with in the preset time cycle, the voice data volume of loudspeaker output is changed to lower volume from higher volume, with the motion of approximate people near this display system, and along with the people near this display system, keep the comfortable volume of listening to.
2, according to the display system of claim 1, wherein said data medium and described display screen form TV monitor.
3, according to the display system of claim 2, wherein said monitor comprises erecting device, so that this monitor is installed on the shelf in shop.
4, according to the display system of claim 1, wherein said data medium comprises the compact-disc, flash memory device or the tape that comprise data.
5, according to the display system of claim 1, wherein said proximity sensor comprises an optical sensor.
6, according to the display system of claim 5, wherein said optical sensor is a photo-resistor.
7, according to the display system of claim 1, on-off element of wherein said sensor operation, with so operate a relay, with to the power supply of described system, thereby activate described system to show described data.
8, display system according to claim 7, wherein said sensor is in parallel with a power supply, this power supply is used for to the first transistor and transistor seconds power supply, the also in parallel and described relay series connection of this transistor seconds and this power supply, this the first transistor also is connected with this power supply, therefore work as described sensor and receive the light time, provide electric current to this first transistor, so that its conducting, do not provide electric current to this transistor seconds thus, when described sensor receives the less light time, its assignor is near described system, this the first transistor ends, and then provide electric current to this transistor seconds, so that its conducting activates described relay thus with the closing relay switch, thereby, make described data medium output be used for data presented on described display screen to the power supply of described system.
9, according to the display system of claim 1, wherein said system comprises a timer circuit, is used to keep the power supply to described system, so that described demonstration is kept a preset time cycle.
10, according to the display system of claim 5, wherein said fader comprises a signal distributor, this signal distributor is connected with an amplifier input, this amplifier provides sound signal at least one loudspeaker, this divider also is connected with a transistor, a charging device is connected with this transistor, therefore when charging device charges, the slowly conducting of this transistor, so that this signal distributor reduces the semaphore that offers this amplifier, thereby reduce from the volume of the voice data of described at least one loudspeaker output.
11, according to the display system of claim 10, wherein said fader comprises a timer, be used to set the time cycle of described charging device charging, therefore described transistor turns changes to time cycle than amount of bass to set described volume from higher volume.
12, according to the display system of claim 10, wherein said charging device is a capacitor.
13, display system according to claim 1, wherein said proximity sensor is connected with an operational amplifier block, when detecting man-hour, this operational amplifier block receives the output from described sensor, a window comparator is used to receive the output of this amplifier unit and produces control output, a timer circuit is used to receive described control output and excitation output is provided, to activate described data medium, make described display screen demonstration and play described data, behind the predetermined time delay through described timer circuit setting, close described data medium, to stop of demonstration and the broadcast of these data at described display screen and described loudspeaker.
14, according to the display system of claim 13, wherein the described excitation output from described timer circuit also activates a decay timer circuit, with the volume of this voice data of decay on cycle time.
15, display system according to claim 14, wherein said decay timer circuit comprises a capacitor and a mos field effect transistor, this mos field effect transistor is connected with a variohm, this variohm has the input and the output that is used for described voice data is offered loudspeaker that are used to receive described voice data, during wherein to this capacitor charging, the slowly conducting of this mos field effect transistor, with this variohm ground connection, therefore make the sound signal decay of the output that offers this variohm.
16, according to the display system of claim 1, wherein said data also comprise voice data, and a decay timer circuit is used for the volume of this voice data of decay on a time cycle, and a timer circuit is used to activate this decay timer circuit.
17, according to the display system of claim 16, wherein said data comprise a plurality of independence advertisements, advertisement timing circuit is used to export the signal of the number of advertisements that indication will show, a switch is used for according to the number of advertisements that will show, optionally switch to the output of advertisement timing circuit, and at the ad playing back output signal timeing closing device that finishes, thereby close the decay timer circuit.
18, according to the display system of claim 17, the output of wherein said switch is connected with a transistor, and this transistor is by the output conducting from this switch, to provide a prearranged signal with this timer circuit of resetting to described timer circuit.
19, display system according to claim 18, wherein said decay timer circuit comprises a capacitor and a mos field effect transistor, this mos field effect transistor is connected with a variohm, this variohm has the input and the output that is used for described voice data is offered this loudspeaker that are used to receive voice data, during wherein to this capacitor charging, the slowly conducting of this mos field effect transistor, with this variohm ground connection, therefore make the sound signal decay of the output that offers this variohm.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MYPI20034822 | 2003-12-16 | ||
| MYPI20034822 MY135196A (en) | 2003-12-16 | 2003-12-16 | A display system |
| AU2004901901 | 2004-04-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1918615A CN1918615A (en) | 2007-02-21 |
| CN100504972C true CN100504972C (en) | 2009-06-24 |
Family
ID=37738713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800417828A Expired - Fee Related CN100504972C (en) | 2003-12-16 | 2004-12-15 | A display system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100504972C (en) |
| MY (1) | MY135196A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100084380A (en) * | 2009-01-16 | 2010-07-26 | 삼성전자주식회사 | Air conditioner and controlling method for the same of |
-
2003
- 2003-12-16 MY MYPI20034822 patent/MY135196A/en unknown
-
2004
- 2004-12-15 CN CNB2004800417828A patent/CN100504972C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| MY135196A (en) | 2008-02-29 |
| CN1918615A (en) | 2007-02-21 |
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