CN108538227A - A kind of show window optical projection system using visible light communication technology - Google Patents
A kind of show window optical projection system using visible light communication technology Download PDFInfo
- Publication number
- CN108538227A CN108538227A CN201810400797.2A CN201810400797A CN108538227A CN 108538227 A CN108538227 A CN 108538227A CN 201810400797 A CN201810400797 A CN 201810400797A CN 108538227 A CN108538227 A CN 108538227A
- Authority
- CN
- China
- Prior art keywords
- visible light
- show window
- led
- information
- communication technology
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F19/00—Advertising or display means not otherwise provided for
- G09F19/12—Advertising or display means not otherwise provided for using special optical effects
- G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/116—Visible light communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/502—LED transmitters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Marketing (AREA)
- Theoretical Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention discloses a kind of show window optical projection systems using visible light communication technology, and the show window optical projection system includes stream medium data library, for storing Commdity advertisement and commodity data information；Dimming glass is mounted on show window；LED projection machine launches the Commdity advertisement onto the dimming glass；Visible light information-driven module is connected with the LED projection machine, and visible optical information is sent for controlling LED light；Playing control module is connected with LED projection machine, and the Commdity advertisement is pushed to the LED projection machine；It is connected with visible light information-driven module, the commodity data information is pushed into the visible light information-driven module；It is connected with dimming glass, the opening and closing for controlling the dimming glass power supply.Commodity association message is modulated to visible light frequency band by the present invention, and pedestrian can be with show window interaction, to effectively promote the application value of interactive shopping Experience Degree and shop window in business activity by client.
Description
Technical field
The present invention relates to a kind of show window optical projection systems, are projected more particularly, to a kind of show window using visible light communication technology
System.
Background technology
Its commodity outwardly can be shown and publicized by show window by shop, to attract pedestrian to enter into shopping.Commonly
Show window be only to put up posters while displaying some static commodity, a little better is then by motor driven, sound-light electrical control
The modes such as system show the multidate information of commodity.But in the epoch that shopping at network is increasingly popularized, traditional array type show window without
Method effectively attracts consumer that can not meet the needs of people experience interactive shopping into shop shopping.Although also occurring in the market
Sending Quick Response Code by equipment such as LED large-size screen monitors guides crowd barcode scanning to pay close attention to the new type bought on merchandise news and then development line
Show window, but the 2 D code information of large format seriously affects the beauty of broadcasting pictures, also can not synchronization association video playing commodity
Content.Therefore, it is necessary to use a kind of more advanced technology, interactive shopping can be reinforced again by neither influencing the bandwagon effect of show window
Convenience, bring pleasant shopping experience to pedestrian.
Chinese patent literature CN107293233A discloses a kind of Window Display system with interactive function, including cupboard
Window, projecting apparatus, image sensor, recognizer, clock unit etc., recognizer are arranged on show window, are known by contact
Operation information of the other device identification user on show window, to realize interactive function.And shop window system is primarily directed to pedestrian, it is right
When show window position can not be touched or flow of the people is larger, then it is not easy to people and carries out contact action, to obtain the letter of commodity
Breath, and for modern allegro life, be also not easy to people and quickly and easily obtain merchandise news and purchased on the net
It buys.
Invention content
In view of this, using visible light communication technology in view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of
Show window optical projection system, commodity association message is modulated to visible light frequency band, pedestrian by client can with show window interaction, from
And effectively promote the application value of interactive shopping Experience Degree and shop window in business activity.
In order to achieve the above objectives, the present invention uses following technical scheme：A kind of show window using visible light communication technology is thrown
Shadow system, the show window optical projection system include stream medium data library, playing control module, visible light information-driven module, LED throwings
Shadow machine, dimming glass and client；
The commodity data information that the stream medium data library is used to store Commdity advertisement and with the Commdity advertisement match, it is described
Commodity data information includes price, material, model, commodity purchasing chained address etc.；
The stream medium data library is connected with playing control module, and playing control module is connected with LED projection machine, by the commodity
Advertisement pushing is to the LED projection machine；The playing control module is connected with visible light information-driven module, by the commodity number
It is believed that breath pushes to the visible light information-driven module；
The playing control module is connected with dimming glass, the opening and closing for controlling the dimming glass power supply, in institute
Stating the Commdity advertisement reproduction time closing dimming glass power supply makes the dimming glass be atomized into rear projection screen, in non-broadcasting
Between open the dimming glass power supply and make glass transparent, the commodity displayed in display case；
The visible light information-driven module is used to the commodity data information carrying out baseband modulation；The visible optical information drives
Dynamic model block is connected with LED projection machine, and the information after baseband modulation is passed through power line by the visible light information-driven module
The LED light source driving circuit for the LED projection machine being transmitted to, control LED light send visible optical information, realize the commodity data letter
Cease the implicit propagation in visible light；
The LED projection machine launches the Commdity advertisement onto the dimming glass, and the visible optical information passes through the LED
The commodity data information is implicitly added on the Commdity advertisement of broadcasting by the imaging system of projector；
The client, the visible optical information for receiving the dimming glass radiation, obtains the commodity data information.
Further, the playing control module is connected with the LED projection machine, and regulates and controls the brightness of LED light source.
Further, the playing control module is provided with light sensor, by the power and the combination that detect ambient light
Time parameter completes the adjustment of the LED projection machine brightness jointly, and specific formula is as follows：P=[L/400]+T, in formula, L
Represent the ambient light lumen numerical value that light sensor detects, 400 comfortable illumination perceived for human eye under normal circumstances
Intensity；T is the step function for representing the time, and value is divided into three class：6. -17 points, T=2,17. -22 points, T=1,22. -6
Point, T=0；[L/400] is L/400 total round numbers, when L/400 totals are non-integer, is taken adjacent with L/400 totals larger whole
Number, P value ranges are：0 < P < 7.
Further, the LED projection machine is LED light source ultra short focal projector.
Further, the transmittance of the LED projection machine is 0.23：1-0.3：1.
Further, the dimming glass passes through bluetooth connection with playing control module.
Further, the visible light information-driven module is connect with playing control module by WiFi.
Further, the client is with camera function and to be built-in with the intelligent terminal of shopping APP, such as intelligent hand
Machine, Intelligent flat.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of show window optical projection system using visible light communication technology of the invention, is different from existing show window and passes through Quick Response Code, holography
The technologies such as film projection realize that information is propagated, and the present invention is by controlling the LED light source of projector, by commodity data modulates information to can
Light-exposed frequency range, pedestrian carried out using smart mobile phone etc. and show window of merging shopping APP it is interactive, it is this implicitly propagate by way of
Not only it had increased interactive entertaining sense but also had maintained the integrality of video pictures.
The flow that the playing control module of the present invention is previously set according to user, control dimming glass is in transparent and atomization two
Regular switching between kind of state, the pedestrian before show window can see the demonstration piece of video playing and saturating in glass
Intuitively see that the commodity displayed in shop are in kind at the time of bright, this actual situation combination, the alternate circulation way of sound can be effective
Promote the promotional display effect of solid shop.
It is mainly outdoor pedestrian that the present invention, which plays object, and light sensor is integrated in playing control module, passes through inspection
The strong and weak and binding time parameter for surveying ambient light completes the adjustment of projector's brightness jointly, can be automatic when daytime, light was stronger
The brightness degree for improving projector reaches best illustrated effect, and automatic reduce brightness grade ensures result of broadcast again after nightfall
Accomplish power saving as possible simultaneously.
The transmittance of LED projection machine of the present invention is controlled 0.23:1 to 0.3:Between 1, it can be ensured that apart from glazing plate
40 centimetres to 60 centimetres of distance can project the picture more than 150 cun, not only ensure that Projection Display effect but also to greatest extent
The requirement reduced to installation environment.
The present invention receives the visible light signal of the dimming glass radiation by the camera function of client, passes through shopping
APP can be obtained with the matched commodity purchasing chained address of Commdity advertisement, obtain merchandise news and convenient and efficient convenient for people
Carry out shopping online.
Description of the drawings
Fig. 1 is show window optical projection system composition schematic diagram of the present invention；
Fig. 2 is one high-level schematic functional block diagram of show window optical projection system embodiment of the present invention；
Fig. 3 is one structural schematic diagram of playing control module embodiment；
Fig. 4 is two structural schematic diagram of playing control module embodiment；
Fig. 5 is two work flow diagram of show window optical projection system embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one
As shown in Figs. 1-2, a kind of show window optical projection system using visible light communication technology, including stream medium data library, broadcasting control
Molding block, visible light information-driven module, LED projection machine, dimming glass and client；It is broadcast with described in the stream medium data library
It puts control module to be connected, the playing control module is connected with the LED projection machine.
The stream medium data library is multimedia server, in the multimedia server storage Commdity advertisement and
The commodity purchasing chained address to match with the Commdity advertisement；
The LED projection machine is LED light source ultra short focal projector, and the transmittance of the LED projection machine is controlled 0.23:1 arrives
0.3:Between 1, it may insure to project more than 150 cun in the distance apart from 40 centimetres to 60 centimetres of glazing plate in this way
Picture not only ensure that Projection Display effect but also reduce the requirement to installation environment to greatest extent.
As shown in figure 3, the playing control module includes central processing unit（Referred to as：CPU）And be connected respectively with CPU
Bluetooth module, RS232 serial ports, WiFi module and memory module, the WiFi module are passed with visible light information-driven module by signal
Defeated, the bluetooth module and dimming glass signal transmission are connected by the RS232 serial ports with the LED projection machine.
The visible light information-driven block coupled in series passes through the visible light in the power supply circuit of the LED projection machine
Information-driven module controls the flash of LED light, can make it as a kind of carrier to transmit information, the visible light information-driven
Module is microchip, and the visible light information-driven module is established signal by WiFi signal and the playing control module and passed
It is defeated.
The dimming glass is mounted on show window, and spray pattern is presented in the case where being not powered on for the dimming glass,
Pellucidity is presented after load 70V alternating currents, the power supply of the dimming glass passes through a Bluetooth remote control switch and the broadcasting
Control module, which is constituted, to be wirelessly connected, and the switching of atomization/transparent two states is completed under the control of the playing control module.
The client is the smart mobile phone with camera and merging shopping APP.
The light-exposed communication technology operation principle of the present invention：LED light millions of secondary flash per second are controlled by the microchip,
It is 0 that LED light, which is gone out, and LED light is opened for 1, the visible optical information that binary data is sent by fast coding at LED light；Due to flash
Frequency is too fast, and human eye is not aware of at all, these visible optical informations is received by the client camera, by client
Decoded back is presented at commodity data information and in the APP that does shopping.
A kind of workflow of show window optical projection system using visible light communication technology of the invention is as follows：
（1）After the show window optical projection system power-up starts, the playing control module WiFi letters that search has been matched in advance automatically
Number and Bluetooth signal, after being successfully connected immediately start play control program, play control program start after is believed first by bluetooth
Electronic-control dimming glass control switch is set on line state by road；
（2）Commdity advertisement list and matched commodity data information list in the stream medium data library are specified,
The broadcast mode of the Commdity advertisement is arranged in the playing control module；
（3）The playing control module controls the LED projection machine booting, and the Commdity advertisement is pushed to the LED and is thrown
Shadow machine, the LED projection machine are played out according to the sequence set；Meanwhile the playing control module is by the commodity number
It is believed that breath is pushed to the visible light information-driven module by the WiFi channels, pass through the visible light information-driven module
Modulation above- mentioned information is at binary coding, the flash frequency of the LED for controlling the LED projection machine, different flash frequencies
Corresponding different binary codings are to make visible light carry commodity data information；The visible light passes through the LED projection machine
Commodity data information is implicitly added on the Commdity advertisement of broadcasting by imaging system；
（4）The smart mobile phone of the hand-held merging shopping APP of pedestrian, opens shopping APP, the dimming glass spoke is received by camera
The visible light signal penetrated, by doing shopping, APP is obtained and the matched commodity purchasing chained address of Commdity advertisement.
The flow（2）In the Commdity advertisement broadcast mode, under normal circumstances use carousel form, quantity control
Between 3-5, the duration of each advertisement is no more than 15 seconds system.In order to obtain the effect for preferably attracting pedestrian, design
Transparent 10 seconds of glazing plate after each round advertisement finishes, for showing the commodity actually displayed in shop to pedestrian.
To reach this effect, the playing control module suspends playing function when finishing every the last one Commdity advertisement of wheel,
And " blank screen " order is assigned to the LED projection machine, so that the LED projection machine is arrived LED light source brightness adjustment by the order
It is most weak.At the same time, the playing control module switchs to the control of the dimming glass and sends instruction, and power switch is switched
To closed state, makes the dimming glass power-up that pellucidity be presented, outwardly show the commodity of display in shops.
Embodiment two
The present embodiment and embodiment one are essentially identical, the difference is that：The LED projection machine in manufacture, generally can by producer
It sets its brightness to controllable several grades, the LED projection machine brightness degree is adjusted according to ambient light power for user,
The function can be controlled by serial ports.
The broadcasting object that the show window optical projection system faces is mainly outdoor pedestrian, is needed at the light stronger moment on daytime
The brightness degree for properly increasing projector reaches best illustrated effect, and automatic reduce brightness grade ensures to play effect again after nightfall
Accomplish power saving while fruit as possible.For this purpose, as illustrated in figures 4-5, the playing control module includes central processing unit（Referred to as：
CPU）And bluetooth module, RS232 serial ports, WiFi module, memory module and the light sensor being connected respectively with CPU, it is described
WiFi module is connected with visible light information-driven module, and the bluetooth module is connected with dimming glass, the RS232 serial ports with
LED projection machine is connected.
The playing control module detects the power of ambient light by light sensor, and binding time parameter is completed jointly
The adjustment of projector's brightness, specific formula are as follows：
P = [L/400] + T
L represents the ambient light lumen numerical value that light sensor detects in formula, and for general value between 100 to 2000,400 be one
As in the case of the perceived comfortable intensity of illumination of human eye institute.T is the step function for representing the time, and value is divided into three class（6
O'clock to 17 points, T=2；17 points to 22 points, T=1；22 points to 6 points, T=0）.[L/400] is L/400 total round numbers, and L/400 is obtained
When number is non-integer, takes and close on larger integer, the brightness for needing to be arranged with T's and as projector after [L/400] round numbers
Grade P（0 < P < 7）.
Finally it should be noted that：The foregoing is merely preferred embodiments, are not intended to restrict the invention, although reference
Invention is explained in detail for previous embodiment, for those skilled in the art, still can be to aforementioned each
Technical solution recorded in embodiment is modified or equivalent replacement of some of the technical features, the present invention's
Within spirit and principle, any modification, equivalent replacement, improvement and so on are all included in the scope of protection of the present invention.
Claims (9)
1. a kind of show window optical projection system using visible light communication technology, it is characterised in that：The show window optical projection system includes
Stream medium data library, the commodity data information for storing Commdity advertisement and matching with the Commdity advertisement；
Dimming glass is mounted on show window；
LED projection machine launches the Commdity advertisement onto the dimming glass；
Visible light information-driven module, for by the commodity data information carry out baseband modulation, and with the LED projection machine phase
Even, visible optical information is sent for controlling LED light；
Playing control module is connected with LED projection machine, and the Commdity advertisement is pushed to the LED projection machine；Believe with visible light
It ceases drive module to be connected, the commodity data information is pushed into the visible light information-driven module；It is connected with dimming glass,
Opening and closing for controlling dimming glass power supply；
Client for receiving the visible optical information, and obtains the commodity data information.
2. a kind of show window optical projection system using visible light communication technology according to claim 1, it is characterised in that：It is described
Playing control module is connected with the LED projection machine, and regulates and controls the brightness of LED light source.
3. a kind of show window optical projection system using visible light communication technology according to claim 1 or 2, it is characterised in that：
The playing control module is provided with light sensor, by detecting the strong and weak and binding time parameter of ambient light to the LED
Projector's brightness is adjusted.
4. a kind of show window optical projection system using visible light communication technology according to claim 1, it is characterised in that：It is described
LED projection machine is LED light source ultra short focal projector.
5. a kind of show window optical projection system using visible light communication technology according to claim 4, it is characterised in that：It is described
The transmittance of LED projection machine is 0.23：1-0.3：1.
6. a kind of show window optical projection system using visible light communication technology according to claim 1, it is characterised in that：It is described
Dimming glass passes through bluetooth connection with playing control module.
7. a kind of show window optical projection system using visible light communication technology according to claim 1, it is characterised in that：It is described
Visible light information-driven module is connect with playing control module by WiFi.
8. a kind of show window optical projection system using visible light communication technology according to claim 1, it is characterised in that：It is described
Client be with camera function and be built-in with shopping APP intelligent terminal.
9. a kind of show window optical projection system using visible light communication technology according to claim 1, it is characterised in that：It is described
Commodity data information is commodity purchasing chained address.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400797.2A CN108538227A (en) | 2018-04-28 | 2018-04-28 | A kind of show window optical projection system using visible light communication technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400797.2A CN108538227A (en) | 2018-04-28 | 2018-04-28 | A kind of show window optical projection system using visible light communication technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108538227A true CN108538227A (en) | 2018-09-14 |
Family
ID=63476297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810400797.2A Pending CN108538227A (en) | 2018-04-28 | 2018-04-28 | A kind of show window optical projection system using visible light communication technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108538227A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109618220A (en) * | 2018-12-25 | 2019-04-12 | 三星电子（中国）研发中心 | It is wireless to throw screen method and wirelessly throw screen system |
| CN111832777A (en) * | 2020-07-13 | 2020-10-27 | 沈阳独道科技有限公司 | Internet of things shopping system based on big data and using method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1983842A (en) * | 2005-12-13 | 2007-06-20 | 中兴通讯股份有限公司 | Device and method for fastly building connection of blue-tooth radio equipment |
| US20110217044A1 (en) * | 2009-01-30 | 2011-09-08 | Idro Co., Ltd. | Visible light multiplex communication system |
| JP2011244141A (en) * | 2010-05-17 | 2011-12-01 | Panasonic Electric Works Co Ltd | Visible light communication led lighting system |
| CN102446473A (en) * | 2010-10-13 | 2012-05-09 | 奇纬光电股份有限公司 | Showwindow interactive advertising device and implementing method |
| JP2014027415A (en) * | 2012-07-25 | 2014-02-06 | Tamura Seisakusho Co Ltd | Visible light communication system, communication method, and communication program |
| CN104639241A (en) * | 2013-11-14 | 2015-05-20 | 瑞萨电子株式会社 | LED lamp, power-line network system and writing method for location information |
| CN104868951A (en) * | 2015-01-20 | 2015-08-26 | 深圳市裕富照明有限公司 | LED illumination-based visible light communication transmission method and system |
| CN105120325A (en) * | 2015-09-15 | 2015-12-02 | 中国人民解放军信息工程大学 | Information transmission method and information transmission system |
| CN205883247U (en) * | 2016-08-18 | 2017-01-11 | 成都智尚极光科技有限公司 | Visible light communication system |
-
2018
- 2018-04-28 CN CN201810400797.2A patent/CN108538227A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1983842A (en) * | 2005-12-13 | 2007-06-20 | 中兴通讯股份有限公司 | Device and method for fastly building connection of blue-tooth radio equipment |
| US20110217044A1 (en) * | 2009-01-30 | 2011-09-08 | Idro Co., Ltd. | Visible light multiplex communication system |
| JP2011244141A (en) * | 2010-05-17 | 2011-12-01 | Panasonic Electric Works Co Ltd | Visible light communication led lighting system |
| CN102446473A (en) * | 2010-10-13 | 2012-05-09 | 奇纬光电股份有限公司 | Showwindow interactive advertising device and implementing method |
| JP2014027415A (en) * | 2012-07-25 | 2014-02-06 | Tamura Seisakusho Co Ltd | Visible light communication system, communication method, and communication program |
| CN104639241A (en) * | 2013-11-14 | 2015-05-20 | 瑞萨电子株式会社 | LED lamp, power-line network system and writing method for location information |
| CN104868951A (en) * | 2015-01-20 | 2015-08-26 | 深圳市裕富照明有限公司 | LED illumination-based visible light communication transmission method and system |
| CN105120325A (en) * | 2015-09-15 | 2015-12-02 | 中国人民解放军信息工程大学 | Information transmission method and information transmission system |
| CN205883247U (en) * | 2016-08-18 | 2017-01-11 | 成都智尚极光科技有限公司 | Visible light communication system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109618220A (en) * | 2018-12-25 | 2019-04-12 | 三星电子（中国）研发中心 | It is wireless to throw screen method and wirelessly throw screen system |
| CN109618220B (en) * | 2018-12-25 | 2021-03-19 | 三星电子（中国）研发中心 | Wireless screen projection method and wireless screen projection system |
| CN111832777A (en) * | 2020-07-13 | 2020-10-27 | 沈阳独道科技有限公司 | Internet of things shopping system based on big data and using method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107343392A (en) | Display methods and display device | |
| CN107466477A (en) | Display methods, program and display device | |
| TWI736702B (en) | Information communication method, information communication device and program | |
| US9581962B1 (en) | Methods and systems for generating and using simulated 3D images | |
| CN106605377A (en) | Signal generation method, signal generation device and program | |
| CN110114988A (en) | Sending method, sending device and program | |
| US20190334619A1 (en) | Communication method, communication device, and transmitter | |
| CN106537815A (en) | Reproduction method, reproduction device and program | |
| CN109582141A (en) | According to the method for eyeball focal point control display screen and wear electronic equipment | |
| CN107534486A (en) | Signal decoding method, signal decoding apparatus and program | |
| CN107113058A (en) | Generation method, signal generating apparatus and the program of visible light signal | |
| JP2003508978A (en) | Promotional handheld communication device | |
| CN103282951A (en) | Display module and display system | |
| CN109036125B (en) | Intelligent control system for lighting engineering | |
| CN102104753A (en) | TV set with primary display unit and secondary display unit | |
| CN108538227A (en) | A kind of show window optical projection system using visible light communication technology | |
| CN110073612A (en) | Sending method, sending device and program | |
| CN203137756U (en) | Intellisense multimedia interaction shopwindow | |
| CN106575998A (en) | Transmission method, transmission device and program | |
| CN202205435U (en) | Intelligent playing terminal with RFID (Radio Frequency Identification Device) | |
| CN208637101U (en) | A kind of holographic interaction advertisement machine | |
| CN202976314U (en) | Vending machine capable of intelligently switching between product display and multi-media broadcast | |
| CN209216545U (en) | A kind of show window optical projection system based on visible light communication technology | |
| RU150435U1 (en) | DEMO DEVICE | |
| WO2009100642A1 (en) | Video terminal, display method of display scene |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |