CN102054411A - Device and method for automatically playing audio advertisements - Google Patents
Device and method for automatically playing audio advertisements Download PDFInfo
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- CN102054411A CN102054411A CN 200910110289 CN200910110289A CN102054411A CN 102054411 A CN102054411 A CN 102054411A CN 200910110289 CN200910110289 CN 200910110289 CN 200910110289 A CN200910110289 A CN 200910110289A CN 102054411 A CN102054411 A CN 102054411A
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Abstract
The invention relates to a device and a method for automatically playing audio advertisements. The device for automatically playing the audio advertisements comprises a power supply module, a signal detection module, a switch control module, a data storage module, a data play module and a data transmission module, wherein the signal detection module comprises one or more of an infrared inductive probe for acquiring an infrared trigger signal, a sound inductive probe for acquiring a sound trigger signal, a photosensitive inductive probe for acquiring an optical trigger signal, and a radio frequency identification inductive probe for acquiring an identification code signal; and the data transmission module comprises at least one of a wired transmission unit and a wireless transmission unit. The device for automatically playing the audio advertisements has the function of automatically and accurately playing the audio advertisements, can greatly enrich the propagation modes and propagation means of an advertisement market, and can be widely applied to places such as public spaces, elevators, commercial passageways, commercial centers, service facilities and the like.
Description
Technical field
The present invention relates to a kind of advertising equipment, more particularly, relate to a kind of audio advertisement automatic play device and method thereof.
Background technology
General at present employing video ads playing device, or the noiseless advertising device in plane carries out ad playing.But therefore video ads playing device general expense costliness can't large-arealy be applied.And therefore the function that the video ads playing device does not have automatic broadcast or accurately plays according to different advertisement crowds can't accomplish to carry out high efficiency advertisement at specific crowd, and not energy-conservation.
Though the noiseless advertising device price in plane is relatively cheap, it does not have auditory tone cues, is not easy to attract the notice of commercial audience, has reduced advertising effect.Therefore need a kind of new advertising equipment.
Summary of the invention
The technical problem to be solved in the present invention is, at the above-mentioned defective of prior art, provides a kind of audio advertisement automatic play device that has automatic broadcast and accurate audio plays advertising function simultaneously.
Another object of the present invention is to, the audio advertisement automatic broadcasting method of a kind of automatic broadcast and accurate audio plays advertisement is provided.
The technical solution adopted for the present invention to solve the technical problems is:
Construct a kind of audio advertisement automatic play device, it comprises the power module that is used to power, with the signal detection module that is used to obtain trigger pip, be used for according to the switch control module of described trigger pip to data playback module sending controling instruction, the data memory module that is used for the storing audio ad data
The instruction that is used for sending, read the data playback module that the audio advertisement data are play from data memory module according to described switch control module,
Be used for reading the audio advertisement data or writing the data transmission module of audio advertisement data to described data memory module from described data memory module; Wherein,
Described signal detection module comprises the infrared induction probe, the sound inductive probe that is used to obtain the sounds trigger signal that are used for obtaining infrared trigger pip, be used to obtain the light-inductive probe of light trigger pip and be used to obtain one or more of radio-frequency (RF) identification inductive probe that radio frequency sets signal;
Described data transmission module comprises at least a in wired transmission unit and the wireless transmission unit.
Audio advertisement automatic play device of the present invention, wherein, described data playback module comprises data-reading unit, signal processing unit, signal output interface and the loudspeaker that connect successively, also comprises the sound volume regulation unit that is connected to described signal processing unit; Wherein,
Described data-reading unit is used for the instruction according to described switch control module transmission, reads the audio advertisement data from data memory module;
Signal processing unit, the audio advertisement data that are used for described data-reading unit is read are carried out filtering, processing and amplifying, export stable sound signal to signal output interface;
Signal output interface is connected to loudspeaker, is used for sound signal is exported by loudspeaker;
Described sound volume regulation unit connects a knob, and perhaps button is used for the number of times pressed according to the anglec of rotation or the button of knob, controls the sound signal volume that described signal processing unit exports described signal output interface to.
Audio advertisement automatic play device of the present invention, wherein, described data memory module comprises at least a in the data card of internal memory and storage.
Audio advertisement automatic play device of the present invention, wherein, described wireless transmission unit comprise with the infrared communication mode transmit data the Infrared Transmission subelement, transmit the Bluetooth transmission subelement of data and with in the mobile transmission subelement of global system for mobile communications transmission data at least one in the bluetooth communication mode; Described wire transmission unit carries out data transmission by USB interface.
Audio advertisement automatic play device of the present invention, wherein, also comprise the power management module that is connected to described signal detection module, switch control module, data playback module, data memory module and data transmission module, be used for when described signal detection module does not detect input signal in the given time, control described switch control module, data playback module, data memory module and data transmission module and enter battery saving mode;
The direct supply interface that described power module comprises battery, be used for connecting external dc power is at least a with the AC power interface that is used to be connected external ac power source.
Audio advertisement automatic play device of the present invention wherein, is provided with a plurality of storage unit in the described data memory module, the audio advertisement data of storage different content in each described storage unit.
Audio advertisement automatic play device of the present invention, wherein, also comprise the priority signal input identification control module that is connected to switch control module, be used for after described data memory module deposits the preferential audio advertisement data of playing of needs in, importing preferential play instruction to described switch control module;
Described switch control module, be used for receiving radio frequency when setting signal, described preferential play instruction and described radio-frequency (RF) identification trigger pip combined, generate to control the steering order that described data playback module is selected the preferential audio advertisement data of playing of described needs.
Audio advertisement automatic play device of the present invention wherein, also comprises recording unit and transcriptional units; Wherein,
Described recording unit is used for recording the sound of external environment and is stored in described data memory module;
Described transcriptional units is used for described data memory module is transcribed and be stored in to the voice data on the other media.
Audio advertisement automatic play device of the present invention, wherein, described loudspeaker comprise inner loudspeaker and outside loudspeaker; Described signal output interface comprises joint that connects inner loudspeaker and the joint that links outside loudspeaker.
The present invention also provides a kind of audio advertisement automatic broadcasting method, may further comprise the steps:
A, in data memory module the storing audio ad data;
B, signal detection module obtain trigger pip, comprise in infrared trigger pip, sounds trigger signal, light trigger pip and the radio-frequency (RF) identification trigger pip one or more;
C, switch control module generate control signal according to described trigger pip;
D, data playback module read the audio advertisement data according to described control signal by the storage sequencing, or read predetermined audio advertisement data, and play.
Audio advertisement automatic broadcasting method of the present invention, wherein, described steps A comprises:
A1, after storage needs the preferential audio advertisement data of playing in described data memory module, input one preferential play instruction in described switch control module;
Described step B comprises:
B1, signal detection module obtain the radio-frequency (RF) identification trigger pip;
Described step C comprises:
C1, described switch control module can be controlled described data playback module according to described preferential play instruction and described radio-frequency (RF) identification trigger pip, generation, select the steering order of the preferential audio advertisement data of playing of described needs.
Audio advertisement automatic broadcasting method of the present invention, wherein, described step B comprises:
B2, signal detection module only obtain one or more trigger pips in infrared trigger pip, sounds trigger signal, the light trigger pip;
Described step C comprises:
C2, described switch control module generate, can control the steering order that described data playback module selects to be stored in the audio advertisement data in the described data memory module in order according to the trigger pip of obtaining among the described step B2.
Audio advertisement automatic play device of the present invention, by adopting automatic induction to detect external trigger pip, and according to the different different control signals of trigger pip generation, and select different audio advertisement contents to play according to this different control signal, function with automatic broadcast and accurate audio plays advertisement, the circulation way and the means of advertising market can be greatly enriched, and public space, elevator and places such as commercial passage, market and service facility can be widely used in.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the automatic play device theory diagram of the embodiment of the invention.
Embodiment
Below in conjunction with diagram, the preferred embodiments of the present invention are described in detail.
The audio advertisement automatic play device theory diagram of the embodiment of the invention as shown in Figure 1, it comprises power module 80, signal detection module 10, switch control module 20, data playback module 30, data memory module 40 and data transmission module 50, also comprises the power management module 60 that is connected to signal detection module 10, switch control module 20, data playback module 30, data memory module 40 and data transmission module 50.
Wherein power module 80 is mainly used in to whole device power supply, power module 80 can be to comprise battery, also can comprise the direct supply interface that connects external dc power, or the AC power interface of connection external ac power source, also can be the combination of two or three in above three kinds of power supply modes.When power management module 60 did not detect input signal in the given time at signal detection module 10, gauge tap control module 20, data playback module 30, data memory module 40 and data transmission module 50 entered battery saving mode.This schedule time can be provided with as required, can be 30 seconds, 1 minute or the like.
Wherein infrared induction probe 11 is mainly used in and obtains infrared trigger pip, when the field that is provided with this audio advertisement automatic play device everyone through out-of-date, this infrared induction probe 11 promptly can this infrared trigger pip of perception.
Sound inductive probe 12 is mainly used in and obtains the sounds trigger signal, when the field that is provided with this audio advertisement automatic play device everyone through and speak or activity when sounding, this sound inductive probe 12 promptly can this sounds trigger signal of perception.
Light-inductive probe 13 is mainly used in and obtains the light trigger pip, triggers sensor because now general public space, elevator and places such as commercial passage, market can be provided with light.When the people arrives, can light according to triggering lamps for environmental illumination such as sound, the light-inductive probe 13 that is arranged on the audio advertisement automatic play device in this place this moment can perceive this light trigger pip.
Radio frequency sets inductive probe 14 and is mainly used in and obtains radio frequency and set signal, for example the special member of certain purchase card is when being provided with the place of this audio advertisement automatic play device, can sense radio-frequency identification code on its purchase card by specific radio-frequency (RF) identification inductive probe 14.
In the present embodiment, data transmission module 50 can comprise wireless transmission unit 52 or wire transmission unit 51.Wherein, wireless transmission unit 52 can be with the infrared communication mode transmit data the Infrared Transmission subelement, transmit the Bluetooth transmission subelement of data or, also can be the combination of these several wireless communication modes in the bluetooth communication mode with the mobile transmission subelement of global system for mobile communications transmission data.Wire transmission unit 54 can be to carry out the cable data transmission by forms such as USB interface.
Therefore, the user both can be by USB interface with the usb data line as carrier, in the memory block of data memory module 40, write data, perhaps with the data dump in the memory block, also can by the read-write draw-in groove with data cards such as mmc cards as carrier, in the memory block of data memory module 40, write data, perhaps the data in the memory block are deposited in data cards such as mmc card; Also can be by wireless modes such as infrared, bluetooths, mobile phone, computer etc. is had the audio advertisement data transmission of storing in the storage and the equipment of corresponding wireless communication function to the memory block, or from the memory block, read the related audio ad data to mobile phone, apparatus such as computer.
Wherein, data transmission module 50 also can comprise recording unit 54, can record the sound of external environment at any time by this unit 54 of recording, and be stored in the memory block of data memory module 40.Like this, be not ready in advance under the audio advertisement data conditions, perhaps there is no at one's side under the situation of the equipment of storing these audio advertisement data, can record ad content temporarily by this function, make the present invention have greater flexibility, range of application is more extensive.
Simultaneously, this data transmission module 50 also can comprise transcriptional units 53, the voice data on the other media can be transcribed and is stored in the data memory module 40 by this transcriptional units 53.As storage of voice datas such as MP3 and broadcast media, when playing MP3, its audio signal output end can be connected on the transcriptional units interface of audio advertisement automatic play device of present embodiment, the content that MP3 play can be transcribed in the memory block of data memory module 40, use convenient.
The switch control module 20 of present embodiment is mainly used in the trigger pip of obtaining according to signal detection module 10, produces steering order, and this steering order is sent to data playback module 30.Wherein, the instructions that mainly send of data playback module 30, from data memory module 40, read corresponding audio advertisement data and play according to switch control module 20.Specifically can be according to the trigger signal types of being obtained, generate the memory address of audio advertisement data in the memory block of data memory module 40 of required broadcast, so that data playback module 30 goes to read and correctly broadcast.
Wherein correct the broadcast comprises dual mode, a kind of is played in order, during switch control module 20 one or more in receiving only infrared trigger pip, sounds trigger signal or light trigger pip, control data playing module 30 is play successively by the sequencing that data memory module 40 sound intermediate frequency ad datas write, and all audio advertisement data in the loop play memory block within a certain period of time.
Another kind of mode is accurate broadcast, when switch control module 20 receives the radio-frequency (RF) identification trigger pip, no matter whether receive other three kinds of trigger pips, all can from the memory block, read the audio advertisement data that need preferential broadcast by control data playing module 30, and play.
For realizing the accurate broadcast of audio advertisement data, can on switch control module 20, be connected to priority signal input identification control module 70.In the memory block of data memory module 40, deposit the audio advertisement data of preferentially broadcast in as the user after, import preferential play instruction to switch control module 20 by priority signal input identification control module 70.Switch control module 20 is promptly write down the current memory unit address of depositing the preferential audio advertisement data of playing of these needs, receiving radio frequency when setting signal, preferential play instruction and radio-frequency (RF) identification trigger pip are being combined, generating steering order that can control data playing module 30 need to select the preferential audio advertisement data of playing.
This accurate play mode can be widely used in supermarket, market etc. to businessman that client provides member card or purchase card.When client's process of holding corresponding member card or purchase card is provided with the place of audio advertisement automatic play device of the present invention, this device promptly can be play predefined ad content, can be sales promotion, activity, information such as preferential, more targeted, make the advertising results maximization.
In the present embodiment, data playback module 30 comprises data-reading unit 31, signal processing unit 34, signal output interface 35 and the loudspeaker that connect successively.Wherein, the steering order that data-reading unit 31 mainly sends according to switch control module 20 reads the audio advertisement data from data memory module 40; 34 audio advertisement data that the data reading unit is read of signal processing unit are carried out processing such as filtering, amplification, export stable sound signal to signal output interface 35.Signal output interface 35 is connected to loudspeaker, and sound signal is exported by loudspeaker.
Wherein, loudspeaker can be inner loudspeaker 36, or outside loudspeaker 37.Signal output interface 35 can comprise the internal connection that is connected to inner loudspeaker 36 and be connected to the external lug of outside loudspeaker 37.Inner loudspeaker 36 are mainly used at general stair, the passageway, elevators etc. should not carry out the audio advertisement broadcast in too noisy public place, and outside loudspeaker 37 then can connect as required, as carry out the place of broadcast publicity in the big volume of needs such as market, shop.
In the present embodiment, data playback module 30 also can comprise the sound volume regulation unit 32 that is connected to signal processing unit 34, this sound volume regulation unit 32 can connect the knob 33 of a peripheral hardware, or connect the button of a peripheral hardware, the anglec of rotation according to knob, or the number of times pressed of button, come control signal processing unit 34 to export the sound signal volume of signal output interface 35 to, to cooperate different environment needs.
In sum, audio advertisement automatic play device of the present invention, by adopting automatic inductive probe to detect extraneous trigger pip, and according to the different different control signals of trigger pip generation, and select different broadcast modes to carry out audio advertisement according to this different control signal and play, having had the function of automatic broadcast and accurate audio plays advertisement simultaneously, is a kind of mediation device between the noiseless advertising device of video ads playing device and plane.
Its overcome present video ads playing device because of the cost costliness can't large-area applications limitation, solve the problem that the video ads playing device can't realize that induction is automatically play automatically simultaneously, and remedied the defective that plane noiseless advertising device does not have auditory tone cues.Greatly enrich the circulation way and the means of advertising market, and can be widely used in public space, elevator and places such as commercial passage, market and service facility.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (12)
1. audio advertisement automatic play device, it is characterized in that, comprise the power module that is used to power, with the signal detection module that is used to obtain trigger pip, be used for according to the switch control module of described trigger pip to data playback module sending controling instruction, the data memory module that is used for the storing audio ad data
The instruction that is used for sending, read the data playback module that the audio advertisement data are play from data memory module according to described switch control module,
Be used for reading the audio advertisement data or writing the data transmission module of audio advertisement data to described data memory module from described data memory module; Wherein,
Described signal detection module comprises the infrared induction probe, the sound inductive probe that is used to obtain the sounds trigger signal that are used for obtaining infrared trigger pip, be used to obtain the light-inductive probe of light trigger pip and be used to obtain one or more of radio-frequency (RF) identification inductive probe that radio frequency sets signal;
Described data transmission module comprises at least a in wired transmission unit and the wireless transmission unit.
2. audio advertisement automatic play device according to claim 1, it is characterized in that, described data playback module comprises data-reading unit, signal processing unit, signal output interface and the loudspeaker that connect successively, also comprises the sound volume regulation unit that is connected to described signal processing unit; Wherein,
Described data-reading unit is used for the instruction according to described switch control module transmission, reads the audio advertisement data from data memory module;
Signal processing unit, the audio advertisement data that are used for described data-reading unit is read are carried out filtering, processing and amplifying, export stable sound signal to signal output interface;
Signal output interface is connected to loudspeaker, is used for sound signal is exported by loudspeaker;
Described sound volume regulation unit connects a knob or button, is used for the anglec of rotation according to knob, and perhaps the number of times pressed of button is controlled the sound signal volume that described signal processing unit exports described signal output interface to.
3. audio advertisement automatic play device according to claim 1 is characterized in that, described data memory module comprises at least a in the data card of internal memory and storage.
4. audio advertisement automatic play device according to claim 1, it is characterized in that, described wireless transmission unit comprise with the infrared communication mode transmit data the Infrared Transmission subelement, transmit the Bluetooth transmission subelement of data and with in the mobile transmission subelement of global system for mobile communications transmission data at least one in the bluetooth communication mode; Described wire transmission unit carries out data transmission by USB interface.
5. audio advertisement automatic play device according to claim 1, it is characterized in that, also comprise the power management module that is connected to described signal detection module, switch control module, data playback module, data memory module and data transmission module, be used for when described signal detection module does not detect input signal in the given time, control described switch control module, data playback module, data memory module and data transmission module and enter battery saving mode;
The direct supply interface that described power module comprises battery, be used for connecting external dc power is at least a with the AC power interface that is used to be connected external ac power source.
6. audio advertisement automatic play device according to claim 1 is characterized in that, is provided with a plurality of storage unit in the described data memory module, the audio advertisement data of storage different content in each described storage unit.
7. audio advertisement automatic play device according to claim 6, it is characterized in that, also comprise the priority signal input identification control module that is connected to switch control module, be used for after described data memory module deposits the preferential audio advertisement data of playing of needs in, importing preferential play instruction to described switch control module;
Described switch control module, be used for receiving radio frequency when setting signal, described preferential play instruction and described radio-frequency (RF) identification trigger pip combined, generate to control the steering order that described data playback module is selected the preferential audio advertisement data of playing of described needs.
8. audio advertisement automatic play device according to claim 1 is characterized in that, also comprises recording unit and transcriptional units; Wherein,
Described recording unit is used for recording the sound of external environment and is stored in described data memory module;
Described transcriptional units is used for described data memory module is transcribed and be stored in to the voice data on the other media.
9. audio advertisement automatic play device according to claim 2 is characterized in that, described loudspeaker comprise inner loudspeaker and outside loudspeaker; Described signal output interface comprises joint that connects inner loudspeaker and the joint that links outside loudspeaker.
10. audio advertisement automatic broadcasting method may further comprise the steps:
A, in data memory module the storing audio ad data;
B, signal detection module obtain trigger pip, comprise in infrared trigger pip, sounds trigger signal, light trigger pip and the radio-frequency (RF) identification trigger pip one or more;
C, switch control module generate control signal according to described trigger pip;
D, data playback module read the audio advertisement data according to described control signal by the storage sequencing, or read predetermined audio advertisement data, and play.
11. audio advertisement automatic broadcasting method according to claim 10 is characterized in that, described steps A comprises:
A1, after storage needs the preferential audio advertisement data of playing in described data memory module, input one preferential play instruction in described switch control module;
Described step B comprises:
B1, signal detection module obtain the radio-frequency (RF) identification trigger pip;
Described step C comprises:
C1, described switch control module can be controlled described data playback module according to described preferential play instruction and described radio-frequency (RF) identification trigger pip, generation, select the steering order of the preferential audio advertisement data of playing of described needs.
12. audio advertisement automatic broadcasting method according to claim 10 is characterized in that, described step B comprises:
B2, signal detection module only obtain one or more trigger pips in infrared trigger pip, sounds trigger signal, the light trigger pip;
Described step C comprises:
C2, described switch control module generate, can control the steering order that described data playback module selects to be stored in the audio advertisement data in the described data memory module in order according to the trigger pip of obtaining among the described step B2.
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| CN 200910110289 CN102054411B (en) | 2009-10-30 | 2009-10-30 | Device for automatically playing audio advertisements |
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| CN 200910110289 CN102054411B (en) | 2009-10-30 | 2009-10-30 | Device for automatically playing audio advertisements |
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| CN 200910110289 Expired - Fee Related CN102054411B (en) | 2009-10-30 | 2009-10-30 | Device for automatically playing audio advertisements |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102867536A (en) * | 2012-09-20 | 2013-01-09 | 周兴波 | Information passive playing electronic device |
| CN104572007A (en) * | 2014-12-17 | 2015-04-29 | 深圳市金立通信设备有限公司 | Method for adjusting sound volume of terminal |
| CN104571856A (en) * | 2014-12-17 | 2015-04-29 | 深圳市金立通信设备有限公司 | Terminal |
| CN105390077A (en) * | 2015-12-23 | 2016-03-09 | 缪雪峰 | Intelligent bulletin board based on sensing detection |
| WO2016192072A1 (en) * | 2015-06-04 | 2016-12-08 | 武克易 | Cloud storage automatic playing apparatus and playing system |
| CN108900890A (en) * | 2018-06-29 | 2018-11-27 | 北京优屏科技服务有限公司 | Interactive advertisement playback method and system |
| CN108962088A (en) * | 2018-07-31 | 2018-12-07 | 杭州浙启品牌管理有限公司 | A kind of advertising method being easy to use in building |
| CN111198606A (en) * | 2019-12-26 | 2020-05-26 | 安徽讯呼信息科技有限公司 | Intelligent display system based on server and touch display screen |
| CN112707261A (en) * | 2019-10-25 | 2021-04-27 | 北京夜谱科技有限公司 | Elevator broadcasting advertisement system |
| CN114955764A (en) * | 2021-02-22 | 2022-08-30 | 东芝电梯株式会社 | Advertisement display method for elevator and display device in car |
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| CN100365727C (en) * | 2004-03-26 | 2008-01-30 | 胡红 | Radio induction audio player |
| CN2893840Y (en) * | 2005-12-12 | 2007-04-25 | 林茂盛 | Passenger handle capable of providing audio-frequency advertisement |
| CN201035937Y (en) * | 2007-04-13 | 2008-03-12 | 陈平 | Advertising device |
| CN101089927A (en) * | 2007-05-16 | 2007-12-19 | 任国敏 | Multi-medium information process and automatic broadcasting method in area |
| CN201319247Y (en) * | 2008-12-17 | 2009-09-30 | 上海金铱星电子科技有限公司 | LCD (liquid crystal display) advertising device assembled on shopping handcart |
| CN201570224U (en) * | 2009-10-30 | 2010-09-01 | 陈能 | Device for playing audio advertisements automatically |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102867536A (en) * | 2012-09-20 | 2013-01-09 | 周兴波 | Information passive playing electronic device |
| CN102867536B (en) * | 2012-09-20 | 2015-09-16 | 周兴波 | The passive broadcasting electronic installation of information |
| CN104572007A (en) * | 2014-12-17 | 2015-04-29 | 深圳市金立通信设备有限公司 | Method for adjusting sound volume of terminal |
| CN104571856A (en) * | 2014-12-17 | 2015-04-29 | 深圳市金立通信设备有限公司 | Terminal |
| WO2016192072A1 (en) * | 2015-06-04 | 2016-12-08 | 武克易 | Cloud storage automatic playing apparatus and playing system |
| CN105390077A (en) * | 2015-12-23 | 2016-03-09 | 缪雪峰 | Intelligent bulletin board based on sensing detection |
| CN108900890A (en) * | 2018-06-29 | 2018-11-27 | 北京优屏科技服务有限公司 | Interactive advertisement playback method and system |
| CN108962088A (en) * | 2018-07-31 | 2018-12-07 | 杭州浙启品牌管理有限公司 | A kind of advertising method being easy to use in building |
| CN112707261A (en) * | 2019-10-25 | 2021-04-27 | 北京夜谱科技有限公司 | Elevator broadcasting advertisement system |
| CN111198606A (en) * | 2019-12-26 | 2020-05-26 | 安徽讯呼信息科技有限公司 | Intelligent display system based on server and touch display screen |
| CN114955764A (en) * | 2021-02-22 | 2022-08-30 | 东芝电梯株式会社 | Advertisement display method for elevator and display device in car |
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