CN202003641U - Induction digital multimedia display terminal - Google Patents
Induction digital multimedia display terminal Download PDFInfo
- Publication number
- CN202003641U CN202003641U CN 201020689116 CN201020689116U CN202003641U CN 202003641 U CN202003641 U CN 202003641U CN 201020689116 CN201020689116 CN 201020689116 CN 201020689116 U CN201020689116 U CN 201020689116U CN 202003641 U CN202003641 U CN 202003641U
- Authority
- CN
- China
- Prior art keywords
- display terminal
- audio
- processing unit
- digital multimedia
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Controls And Circuits For Display Device (AREA)
Abstract
The utility model discloses an induction digital multimedia display terminal, which comprises an audio/video decoding module, an image accompanying sound comprehensive processing module and a human body infrared induction module, wherein a CPU (Central Processing Unit) is arranged in the image accompanying sound comprehensive processing module; the audio/video decoding module is electrically connected with the image accompanying sound comprehensive processing modul; and the human body infrared induction module is electrically connected with the CPU. A control method of the induction digital multimedia display terminal comprises the steps of starting to play an audio/ a video and stopping playing the audio/the video. The control method also comprises a step of detecting whether people exist near the display terminal in real time and starting to play the audio/the video once detecting people. In the playing process, the induction digital multimedia display terminal is used for judging whether people exist near the display terminal, i.e. if people exist near the display terminal, continuously playing the audio/the video, and if no people exist near the display terminal, stopping continuously playing the audio/the video. The induction digital multimedia display terminal has the beneficial effects that the induction digital multimedia display terminal has a human body intelligent induction function and can be used for automatically judging whether people exist so as to realize the aim that when people come, the induction digital multimedia display terminal is started automatically, and when people leave, the induction digital multimedia display terminal is automatically shut down. Labor and electricity resources are saved. The induction digital multimedia display terminal is energy-saving and environmental-friendly.
Description
Technical field
The utility model relates to a kind of digital multimedia display terminal device, the especially a kind of induction type digital multimedia display terminal that can respond to human body automatically and control the audio frequency and video broadcast automatically and close.
Background technology
Along with liquid crystal and Development of Multimedia Technology, multimedia display terminal begins to be widely used in high-grade office building, hotel, large-scale sales field and all kinds of mobile traffic as novel advertisement machine, carries out audio frequency and video ad playing, all kinds of timely multidate information issues etc.Present advertisement machine all is that whole day is play incessantly basically, and perhaps artificial outage stops to play unwanted the time.But in a lot of occasions, the time period nobody who has watches, and this moment, the broadcast of advertisement machine was invalid, had caused the waste of electric resources.For example, according to statistics, at the lift port of office building, it is that nobody waits for elevator that whole day has time of 80%, that is to say that the efficient of ad playing have only 20%, and is wasted up to 80% electric energy.Simultaneously, owing to be in the public place, advertisement machine is utilized by the lawless person unavoidably, the risk that exists played file to be replaced.So existing multimedia display terminal had both been wasted electric energy, has the problem of security deficiency again.
The utility model content
The purpose of this utility model is that design for the deficiency that solves above-mentioned technology a kind of has the human body intelligent inducing function, thereby realize having the people to come then, open automatically, when the people leaves, then close automatically, save the induction type digital multimedia display terminal of manpower and electric resources.
The induction type digital multimedia display terminal that the utility model is designed, it comprises audio/video decoding module and image sound accompaniment overall treatment module, be provided with a CPU in the image sound accompaniment overall treatment module, described audio/video decoding module and image sound accompaniment overall treatment module are electrically connected, also comprise human body infrared induction module, this human body infrared induction module is electrically connected with described CPU.Whether human body infrared induction module has the people near can detecting display terminal effectively, and CPU can and close according to the broadcast of these detection information Control audio frequency and video, thereby realizes having the people to come then, automatically open, when the people leaves, then close automatically, save manpower and electric resources.
As preferably, described audio/video decoding module mainly comprises storage card and audio/video decoding processing unit, and the data of described storage card export described audio/video decoding processing unit to; Described image sound accompaniment overall treatment module mainly comprises graphics processing unit, CPU, audio processing unit, power amplifier unit, display terminal and loudspeaker, described audio/video decoding processing unit outputs signal to graphics processing unit and audio processing unit respectively, described audio processing unit outputs signal to power amplifier unit, described power amplifier unit outputs signal to described loudspeaker, described video decode processing unit, audio processing unit, power amplifier unit and graphics processing unit also are connected with described CPU simultaneously, and described graphics processing unit signal exports described display terminal to; The signal of described human body infrared induction module exports described CPU to.Storage card is connected with image sound accompaniment overall treatment module by audio/video decoding processing unit output YPBPR signal or AV signal; The audio/video decoding module by the file in the storage card is differentiated, decoding, conversion of signals, export YPBPR signal or AV signal at last, send into image sound accompaniment overall treatment module and handle and finally play back; Human body infrared induction module links to each other with CPU in the image sound accompaniment overall treatment module, and it sends control signal and gives CPU when detecting human body, and CPU controls the opening and closing of display terminal according to this signal.
In order effectively to improve security,, be provided with the encryption identification module in the described audio/video decoding processing unit as preferably.Described audio/video decoding processing unit is preferably AML7213 audio/video decoding chip.In AML7213 audio/video decoding chip, be provided with the encryption identification module, by setting, it can carry out the whether judgement of " legal " to storage card and file, have only storage card and the file encrypted just can be read, decode and carry out the conversion and the output of signal format, can avoid the lawless person to utilize the medium display terminal of public place to propagate invalid information thus.
In order to obtain better human body sensing effect, as preferably, described human body infrared induction module mainly is made up of filter lens, infrared sensor and signal processing circuit, and described filter lens covers the infrared sensor outside, and described infrared sensor is electrically connected with signal processing circuit.
In order to realize making circuit more stable in the induction automatically, preferred scheme is that described signal processing circuit is handled integrated chip BISS0001 by transducing signal and peripheral circuit is formed; Described peripheral circuit is provided with 5V potential end and zero-bit end; The D pin of described infrared sensor, G pin and S pin connect the 14th pin of 5V potential end, zero-bit end and BISS0001 respectively, also are parallel with resistance R 1 and capacitor C 1 between described S pin and zero-bit end; Be provided with resistance R 3, resistance R 2, capacitor C 7 and resistance R 4 successively between the 12nd pin of BISS0001 and the 15th pin, be parallel with capacitor C 2 on resistance R 3, the link of described resistance R 2 and resistance R 3 links to each other with the 13rd pin of BISS0001; Be parallel with capacitor C 3 on resistance R 4, the link of capacitor C 7 and resistance R 4 links to each other with the 16th pin of BISS0001; Also be in series with resistance R 5 and capacitor C 4 between the 15th pin of described BISS0001 and the zero-bit end; The 2nd pin of described BISS0001 is connected by the base stage of resistance R 10 with a NPN triode, described 5V potential end is connected by the collector of resistance R 1 with this NPN triode, the emitter of this NPN triode connects the zero-bit end, also lead to the VOUT pin on its collector, this VOUT pin is electrically connected with described image sound accompaniment overall treatment module.
In order to strengthen susceptibility and to reduce white light and disturb, described filter lens is preferably the Fresnel filter lens, and the Fresnel filter lens is divided into visible range and blind area to Infrared, and the effect of focusing is arranged again simultaneously, and infrared sensor sensitivity is increased greatly.
The control method of the induction type digital multimedia display terminal that the utility model is designed, comprise that opening audio frequency and video plays and close the audio frequency and video broadcast, comprise that also whether one have people's step near the detection display terminal in real time, in case detected man-hour, then opens audio frequency and video and play; In the playing process to whether the someone judges near the display terminal: have man-hour then to continue to play, nobody the time then close and continue to play.
In order to make no people detection more reasonable, whether there is people's method to be near in playing process, judging display terminal: to continue to have detected man-hour and be judged as the people; Beginning T when detection has the people to nobody has detected man-hour once more and has been judged as the people in the time; When from detection the people being arranged to nobody, the unmanned state continues T and is judged as unmanned after the time.
As preferably, near the infrared detection display terminal that sends by human body whether the people is arranged, described T is 20 seconds.
As preferably, the described audio frequency and video of closing are play the mode that adopts standby or are only closed mode backlight, that picture-and-sound is play.
The induction type digital multimedia display terminal of the utility model gained, its beneficial effect is to have the human body intelligent inducing function, can judge whether the people automatically, realization has the people to come then, opens automatically, when the people leaves, then close automatically, save manpower and electric resources, automatic control switch machine, energy-conserving and environment-protective; The induction type digital multimedia display terminal that the utility model obtains, can support the storer of main flows such as USB flash disk, CF card, SD card, but the picture of the multiple form in the playout storage, audio frequency, video, in addition, it has discrimination function to the file in storage card and the card, only discerns and play the storage card and the file of encrypted mistake, guarantees the security of the information that the public place is play, thus, can be used as advertisement machine with the automatic inducing function of human body.
Description of drawings
Fig. 1 is the human body infrared induction module principle figure of embodiment 1.
Fig. 2 is the schematic block circuit diagram of embodiment 1.
Fig. 3 is the control flow chart of embodiment 1.
Among the figure: human body infrared induction module 1, audio/video decoding module 2, image sound accompaniment overall treatment module 3, storage card 2-1, audio/video decoding processing unit 2-2, graphics processing unit 3-1, audio processing unit 3-2, power amplifier unit 3-3, LCD display terminal 3-4, CPU3-5, loudspeaker 4, remote control and button 5.
Embodiment
The utility model will be further described in conjunction with the accompanying drawings below by embodiment.
Embodiment 1:
As shown in Figure 1, 2, the described induction type digital multimedia display terminal of present embodiment, it comprises audio/video decoding module 2 and image sound accompaniment overall treatment module 3, described audio/video decoding module 2 and image sound accompaniment overall treatment module 3 are electrically connected, described audio/video decoding module 2 mainly comprises storage card 2-1 and audio/video decoding processing unit 2-2, and the data of described storage card 2-1 export described audio/video decoding processing unit 2-2 to; Described image sound accompaniment overall treatment module 3 mainly comprises graphics processing unit 3-1, CPU3-5, audio processing unit 3-2, power amplifier unit 3-3, LCD display terminal 3-4 and loudspeaker 4, described audio/video decoding processing unit 2-2 outputs signal to graphics processing unit 3-1 and audio processing unit 3-2 respectively, described audio processing unit 3-2 outputs signal to power amplifier unit 3-3, described power amplifier unit 3-3 outputs signal to described loudspeaker, described video decode processing unit, audio processing unit 3-2, power amplifier unit 3-3 also is connected with described CPU3-5 simultaneously with graphics processing unit 3-1, and described graphics processing unit 3-1 signal exports described LCD display terminal 3-4 to; The signal of described human body infrared induction module 1 exports described CPU3-5 to, and wherein, described audio/video decoding processing unit 2-2 is that inside is provided with the AML7213 audio/video decoding chip of encrypting identification module (can realize by software).Described human body infrared induction module 1 mainly is made up of Fresnel filter lens, infrared sensor and signal processing circuit, described filter lens covers the infrared sensor outside, described infrared sensor is electrically connected with signal processing circuit, and described signal processing circuit handles integrated chip BISS0001 by transducing signal and peripheral circuit is formed; Described peripheral circuit is provided with 5V potential end and zero-bit end; The D pin of described infrared sensor, G pin and S pin connect the 14th pin of 5V potential end, zero-bit end and BISS0001 respectively, also are parallel with resistance R 1 and capacitor C 1 between described S pin and zero-bit end; Be provided with resistance R 3, resistance R 2, capacitor C 7 and resistance R 4 successively between the 12nd pin of BISS0001 and the 15th pin, be parallel with capacitor C 2 on resistance R 3, the link of described resistance R 2 and resistance R 3 links to each other with the 13rd pin of BISS0001; Be parallel with capacitor C 3 on resistance R 4, the link of capacitor C 7 and resistance R 4 links to each other with the 16th pin of BISS0001; Also be in series with resistance R 5 and capacitor C 4 between the 15th pin of described BISS0001 and the zero-bit end; The 2nd pin of described BISS0001 is connected by the base stage of resistance R 10 with a NPN triode, described 5V potential end is connected by the collector of resistance R 1 with this NPN triode, the emitter of this NPN triode connects the zero-bit end, also lead to the VOUT pin on its collector, this VOUT pin is electrically connected with described image sound accompaniment overall treatment module 3.
The control method of above-mentioned induction type digital multimedia display terminal comprises that opening audio frequency and video plays and close the audio frequency and video broadcast, comprises that also whether one have people's step near the detection display terminal in real time, in case detected man-hour, then opens audio frequency and video and play; In the playing process to whether the someone judges near the display terminal: have man-hour then to continue to play, nobody the time then close and continue to play, wherein in order to make no people detection more reasonable, whether there is people's method to be near in playing process, judging display terminal: to continue to have detected man-hour and be judged as the people; Beginning T when detection has the people to nobody has detected man-hour once more in (20 seconds) time and has been judged as the people; When from detection the people being arranged to nobody, the unmanned state continues T and is judged as unmanned after (20 seconds) time.Closing audio frequency and video and play the mode that adopts standby, also can be only to close mode backlight, that picture-and-sound is play, and these two kinds of methods are specific as follows:
One, standby will not soon need the circuit Close All of work, have only the detection port of CPU3-5 and induction module in work.The power that this state consumes is very little, is generally less than 5W.Software startup is more during the method start, and starting up speed is slower, is applicable to the occasion that allows certain start-up time.
Two, close backlight, picture-and-sound, it is identical with standby that its state seems, but its master chip do not need to carry out operations such as program initialization during start, so response speed is exceedingly fast still in operate as normal.The power that method two consumes is wanted ratio method one more greatly, generally is no more than 20W.The method is applicable to and requires to open occasion rapidly, as the advertisement machine of lift port, will open immediately when requiring to have the people to arrive, and the stand-by period can not be arranged.
The described induction type digital multimedia display terminal of present embodiment, storage card 2-1 is connected with image sound accompaniment overall treatment module 3 by audio/video decoding processing unit 2-2 output YPBPR signal or AV signal; Audio/video decoding module 2 by the file among the storage card 2-1 is differentiated, decoding, conversion of signals, export YPBPR signal or AV signal at last, send into image sound accompaniment overall treatment module 3 and handle and finally play back; Human body infrared induction module 1 links to each other with CPU3-5 in the image sound accompaniment overall treatment module 3, and it sends control signal and gives CPU3-5 when detecting human body, and CPU3-5 controls the opening and closing of display terminal according to this signal.In AML7213 audio/video decoding chip, be provided with the encryption identification module, by setting, it can carry out the whether judgement of " legal " to storage card 2-1 and file, have only storage card 2-1 and the file encrypted just can be read, decode and carry out the conversion and the output of signal format, can avoid the lawless person to utilize the medium display terminal of public place to propagate invalid information thus.
During use, because human body has constant body temperature, general about 37 ℃, can send the infrared ray of 10 μ m left and right sides specific wavelengths, infrared sensor carries out work by the infrared ray surveying human body and launch.Pyroelectricity element in the infrared sensor will lose charge balance when receiving the human infrared radiation variation, outwards discharge electric charge, and subsequent conditioning circuit is handled the back after testing just can produce control signal.The sensitive for infrared radiation wavelength of described infrared sensor 1-1 is about 10 μ m.This custom-designed sensor is a sensitive for infrared radiation about 10 μ m to wavelength only, moves so other objects except that human body can not cause sensor.In order to strengthen susceptibility and to reduce white light and disturb, showing up in the radiation of sensor is coated with the Fresnel filter lens.The Fresnel filter lens is divided into visible range and blind area to Infrared, and the effect of focusing is arranged again simultaneously, and infrared sensor sensitivity is increased greatly.Transducing signal is handled integrated chip BISS0001 and is mixed special IC by the digital-to-analogue that two high input impedance operational amplifiers, two-way amplitude discriminator, state controller, time delay, timer and blocking time timer etc. constituted.When human body enters in the scope of sensor monitors, sensor will be exported an effective transducing signal, because this signal amplitude little (approximately the hundreds of microvolt is to several millivolts), change slowly, need through the transducing signal treatment circuit amplify, filtering, relatively the back is exported a voltage and is gone Drive and Control Circuit, finishes an effective human body sensing process with this.The output signal of infrared sensor is sent into integrated circuit BISS0001, finishes the work of treatment of transducing signal, and finally exports a control signal VOUT.When nobody, its output signal VOUT is a low level; When the people arrived, VOUT just became high level.The signal VOUT of human body infrared induction module 1 output is input to the CPU3-5 of image sound accompaniment overall treatment module 3, CPU3-5 detects in real time to the control signal of human body infrared induction module 1 output, as shown in Figure 3, when the people exists, induction module output signal VOUT is a high level, after CPU3-5 detects this signal, the control start; When the people left, VOUT became low level, after CPU3-5 detects this signal, postpone a period of time (as 20 seconds, this time was adjustable), if at this moment be low level always, judge that then this " unmanned signal " is useful signal, LCD display terminal 3-4 and interlock circuit are closed in CPU3-5 control.The purpose of time delay is set, the one, in order to prevent undesired signal, the 2nd, because human body infrared induction module 1 assay intervals is very short, sensitivity is too high, when the people existed still without any action, its will export " unmanned signal ", will cause erroneous judgement disconnected so at once.To wait elevator is example, and the people generally can not surpass 20 seconds at the static fully time, and we just can be set to 20 seconds time delay, thereby the sensitivity of the detection that had both guaranteed has guaranteed the accuracy of its switching on and shutting down again.
The described induction type digital multimedia display terminal of present embodiment has the human body intelligent inducing function, and realizes having the people to come then, opens automatically, when the people leaves, then closes automatically, saves manpower and electric resources; Simultaneously, the file in storage card 2-1 and the card is had discrimination function, can protect the information play content of public place not to be replaced.
The protection domain that need to prove this patent is not limited to the foregoing description, and those of ordinary skills do conventional change according to above-mentioned technology enlightenment, should all fall into the protection domain of this patent.
Claims (6)
1. induction type digital multimedia display terminal, it comprises audio/video decoding module and image sound accompaniment overall treatment module, be provided with a CPU in the image sound accompaniment overall treatment module, described audio/video decoding module and image sound accompaniment overall treatment module are electrically connected, it is characterized in that also comprising human body infrared induction module, this human body infrared induction module is electrically connected with described CPU.
2. induction type digital multimedia display terminal according to claim 1 is characterized in that described audio/video decoding module mainly comprises storage card and audio/video decoding processing unit, and the data of described storage card export described audio/video decoding processing unit to; Described image sound accompaniment overall treatment module mainly comprises graphics processing unit, CPU, audio processing unit, power amplifier unit, display terminal and loudspeaker, described audio/video decoding processing unit outputs signal to graphics processing unit and audio processing unit respectively, described audio processing unit outputs signal to power amplifier unit, described power amplifier unit outputs signal to described loudspeaker, described video decode processing unit, audio processing unit, power amplifier unit and graphics processing unit also are connected with described CPU simultaneously, and described graphics processing unit signal exports described display terminal to; The signal of described human body infrared induction module exports described CPU to.
3. induction type digital multimedia display terminal according to claim 2 is characterized in that being provided with the encryption identification module in the described audio/video decoding processing unit.
4. induction type digital multimedia display terminal according to claim 3 is characterized in that described audio/video decoding processing unit is an AML7213 audio/video decoding chip.
5. according to claim 1 or 2 or 3 or 4 described induction type digital multimedia display terminals, it is characterized in that described human body infrared induction module mainly is made up of filter lens, infrared sensor and signal processing circuit, described filter lens covers the infrared sensor outside, and described infrared sensor is electrically connected with signal processing circuit.
6. induction type digital multimedia display terminal according to claim 5 is characterized in that described signal processing circuit is handled integrated chip BISS0001 by transducing signal and peripheral circuit is formed; Described peripheral circuit is provided with 5V potential end and zero-bit end; The D pin of described infrared sensor, G pin and S pin connect the 14th pin of 5V potential end, zero-bit end and BISS0001 respectively, also are parallel with resistance R 1 and capacitor C 1 between described S pin and zero-bit end; Be provided with resistance R 3, resistance R 2, capacitor C 7 and resistance R 4 successively between the 12nd pin of BISS0001 and the 15th pin, be parallel with capacitor C 2 on resistance R 3, the link of described resistance R 2 and resistance R 3 links to each other with the 13rd pin of BISS0001; Be parallel with capacitor C 3 on resistance R 4, the link of capacitor C 7 and resistance R 4 links to each other with the 16th pin of BISS0001; Also be in series with resistance R 5 and capacitor C 4 between the 15th pin of described BISS0001 and the zero-bit end; The 2nd pin of described BISS0001 is connected by the base stage of resistance R 10 with a NPN triode, described 5V potential end is connected by the collector of resistance R 1 with this NPN triode, the emitter of this NPN triode connects the zero-bit end, also lead to the VOUT pin on its collector, this VOUT pin is electrically connected with described image sound accompaniment overall treatment module; Described filter lens is the Fresnel filter lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020689116 CN202003641U (en) | 2010-12-30 | 2010-12-30 | Induction digital multimedia display terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020689116 CN202003641U (en) | 2010-12-30 | 2010-12-30 | Induction digital multimedia display terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202003641U true CN202003641U (en) | 2011-10-05 |
Family
ID=44706373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020689116 Expired - Fee Related CN202003641U (en) | 2010-12-30 | 2010-12-30 | Induction digital multimedia display terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202003641U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122477A (en) * | 2010-12-30 | 2011-07-13 | 数源科技股份有限公司 | Inductive digital multimedia display terminal and control method thereof |
| CN103413511A (en) * | 2013-07-17 | 2013-11-27 | 安伟建 | Voice navigation system |
| CN104866085A (en) * | 2014-02-26 | 2015-08-26 | 联想(北京)有限公司 | Display control method and device as well as electronic equipment applying display control method and device |
| CN105957478A (en) * | 2016-07-26 | 2016-09-21 | 武汉百络优物联科技有限公司 | Liquid crystal display panel |
-
2010
- 2010-12-30 CN CN 201020689116 patent/CN202003641U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122477A (en) * | 2010-12-30 | 2011-07-13 | 数源科技股份有限公司 | Inductive digital multimedia display terminal and control method thereof |
| CN103413511A (en) * | 2013-07-17 | 2013-11-27 | 安伟建 | Voice navigation system |
| CN104866085A (en) * | 2014-02-26 | 2015-08-26 | 联想(北京)有限公司 | Display control method and device as well as electronic equipment applying display control method and device |
| CN104866085B (en) * | 2014-02-26 | 2018-04-27 | 联想(北京)有限公司 | A kind of display control method, device and apply its electronic equipment |
| CN105957478A (en) * | 2016-07-26 | 2016-09-21 | 武汉百络优物联科技有限公司 | Liquid crystal display panel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102122477A (en) | Inductive digital multimedia display terminal and control method thereof | |
| CN202003641U (en) | Induction digital multimedia display terminal | |
| CN203088393U (en) | House furnishing wireless monitoring multifunctional mirror based on voice control | |
| CN204948269U (en) | Based on the advertisement media control system of recognition of face | |
| CN203827562U (en) | Illumination energy saving controller | |
| CN101943940A (en) | Notebook computer and power saving method thereof | |
| CN205593987U (en) | Formaldehyde detector | |
| CN202408393U (en) | Intelligent curtain suitable for family | |
| CN206608089U (en) | A kind of garage rolling screen door automatic control system | |
| CN202307066U (en) | Interactive advertisement machine based on human body induction | |
| CN206946260U (en) | One kind can timing intelligent pet food dispensing device | |
| CN206051594U (en) | Water purification machine with human body sensing media presentation device | |
| CN101866209A (en) | Auto sleep apparatus for computer | |
| CN203482330U (en) | Wireless visual doorbell | |
| CN201577124U (en) | Household multimedia device | |
| CN104423297A (en) | Pyroelectric infrared energy-saving intelligent switching device and switching control method | |
| CN205211051U (en) | Intelligence electronics doorman | |
| CN205485400U (en) | Acoustic control lamp and contain acoustic control lamp system of this lamp | |
| CN206845514U (en) | A kind of temperature control and the intelligent electric fan of power-off protection | |
| CN106406114A (en) | Intelligent home monitoring device | |
| CN105127041A (en) | Lamplight fountain system | |
| CN206907181U (en) | Fire alarm installation based on tablet personal computer | |
| CN111056389A (en) | Control system and control method of elevator advertising machine | |
| CN206740254U (en) | A kind of intelligent sound thermometer control system | |
| CN206710809U (en) | A kind of Clock system that people is waken up by gradual change light |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20171230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |