CN1987632A - Radio transmission device, system and its method for projection display device - Google Patents
Radio transmission device, system and its method for projection display device Download PDFInfo
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- CN1987632A CN1987632A CN 200510131830 CN200510131830A CN1987632A CN 1987632 A CN1987632 A CN 1987632A CN 200510131830 CN200510131830 CN 200510131830 CN 200510131830 A CN200510131830 A CN 200510131830A CN 1987632 A CN1987632 A CN 1987632A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000006837 decompression Effects 0.000 claims abstract description 37
- 230000006835 compression Effects 0.000 claims abstract description 36
- 238000007906 compression Methods 0.000 claims abstract description 36
- 230000009471 action Effects 0.000 claims description 61
- 238000004891 communication Methods 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 11
- 230000000007 visual effect Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 abstract description 8
- 230000005236 sound signal Effects 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 15
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 230000003321 amplification Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000011664 signaling Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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- Projection Apparatus (AREA)
- Controls And Circuits For Display Device (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
The wireless transmission set in use for projection display device (PDD) includes a wireless transmission control unit, a decompression unit, an interface unit, and a process unit. The wireless transmission control unit receives a wireless signal containing a video /audio compression signal, and a control signal. The decompression unit is in use for carrying out a decompression operation for the video /audio compression signal in order to generate a video /audio signal. The interface unit possesses an image transmission interface and a cascaded transmission interfaces. Through interface unit, the process unit transmits video /audio signal and control signal to PDD. Here, video /audio signal is transmitted to PDD through the image transmission interface, and control signal is transmitted to PDD through the cascaded transmission interfaces.
Description
Technical field:
The invention relates to a kind of radio transmitting device, system and method thereof that is used for projection display equipment, and particularly relevant for the radio transmitting device with image transmission interface and serial transmission interface, system and method thereof.
Background technology:
In recent years, the application of projector is day by day popularized, and especially is applied in the meeting bulletin, and projector can show the characteristic of big picture, and provide the bulletin person has preferable performance in large conference room.
See also Fig. 1, it is the synoptic diagram of the projection display system of prior art.Among the figure, projection display system 10 comprises a winding displacement 11, a notebook computer 12 and a projector 13.Winding displacement 11 electrically connects notebook computer 12 and projector 13.Notebook computer 12 produces an audio-visual signal, is sent to projector 13 by winding displacement 11.Projector 13 receives audio-visual signal, and with audio-visual signal Projection Display and broadcast.
Yet, along with the space of meeting room increases, the distance of the employed computer of bulletin person and projector is more and more far away, and the feasible winding displacement needs that are used for connecting projector and computer are more and more longer, the noise that causes image signal to be subjected in transmission course disturbs and increases, and causes the not good shortcoming of projected picture.In addition, projector is erected on the ceiling of meeting room mostly, so the user uses a teleswitch mostly to control the function of projector, as adjusting picture brightness.If can not find telepilot or telepilot is malfunctioning, then the user often must climb up the function that desk could be adjusted projector, causes the inconvenience in the use.
Because every problem of prior art, in order to take into account solution, the inventor is based on the research and development of being engaged in radio transmitting device for many years and many practical experience, a kind of radio transmitting device, system and method thereof that is used for projection display equipment proposed, with implementation and foundation as the above-mentioned shortcoming of improvement.
Summary of the invention:
In view of this, purpose of the present invention is exactly that a kind of radio transmitting device, system and method thereof that is used for projection display equipment is being provided, to increase the convenience of projection display equipment operation.
According to purpose of the present invention, a kind of radio transmitting device that is used for projection display equipment is proposed, comprise a wireless transmission control unit, a decompression unit, an interface unit and a processing unit.Wireless transmission control unit receives a wireless signal by a wireless communication protocol, and it comprises an audio-visual compression signal and a controlling signal.Decompression unit carries out a decompression action in order to audio-visual compression signal, produces an audio-visual signal.The interface unit has a digital image transmission interface and a serial transmission interface.Processing unit is in order to be converted to audio-visual signal one digit audio-visual signal, and digit audio-visual signal and controlling signal are sent to projection display equipment by the interface unit, wherein, the digit audio-visual signal is sent to projection display equipment by the digital image transmission interface, and controlling signal is sent to projection display equipment by serial transmission interface.
In addition, the present invention more proposes a kind of radio transmitting device that is used for projection display equipment, comprises a wireless transmission control unit, a decompression unit, an interface unit and a processing unit.Wireless transmission control unit receives a wireless signal by a wireless communication protocol, and it comprises an audio-visual compression signal and a controlling signal.Decompression unit produces an audio-visual signal in order to audio-visual compression signal is carried out a decompression action.The interface unit has an analogy image transmission interface and a serial transmission interface.Processing unit is sent to projection display equipment by the interface unit with audio-visual signal and controlling signal, and wherein, audio-visual signal is sent to projection display equipment by analogy image transmission interface, and controlling signal is sent to projection display equipment by serial transmission interface.
In addition, the present invention more proposes a kind of wireless transmitting system, comprises a projection display equipment, a radio transmitting device and a computer apparatus.Projection display equipment provides Projection Display action.Radio transmitting device and projection display equipment electrically connect, so that a wireless transmission function to be provided.Computer apparatus transmits an audio-visual compression signal and a controlling signal to this radio transmitting device by a wireless communication protocol.Wherein, radio transmitting device carries out a decompression action to audio-visual compression signal, producing an audio-visual signal, and audio-visual signal is sent to projection display equipment carrying out the Projection Display action, and radio transmitting device transmit controlling signal to projection display equipment to carry out a control action.
In addition, the present invention reintroduces a kind of radio transmitting method, is used for the transmission between a computer apparatus and a projection display equipment, and this radio transmitting method comprises the following step: a default radio transmitting device and projection display equipment have an electric connection; By computer apparatus, transmit an audio-visual compression signal and a controlling signal to radio transmitting device; By radio transmitting device, the audio-visual compression signal that decompresses produces an audio-visual signal; Via radio transmitting device, transmit audio-visual signal to projection display equipment and move to carry out Projection Display; And, transmit controlling signal to projection display equipment and carry out a control action so that Projection Display is moved via radio transmitting device.
Description of drawings:
Fig. 1 is the synoptic diagram of the projection display equipment of prior art;
Fig. 2 is the block schematic diagram of radio transmitting device of the present invention;
Fig. 3 is the block schematic diagram of the preferred embodiment of radio transmitting device of the present invention;
Fig. 4 is the block schematic diagram of another preferred embodiment of radio transmitting device of the present invention;
Fig. 5 is the block schematic diagram of wireless transmitting system of the present invention;
Fig. 6 is the synoptic diagram of the preferred embodiment of wireless transmitting system of the present invention;
Fig. 7 is the process flow diagram of radio transmitting method of the present invention;
Fig. 8 is the process flow diagram of the preferred embodiment of radio transmitting method of the present invention.
The figure number simple declaration:
10: projection display system; 11: winding displacement;
12: notebook computer; 13: projector;
20: radio transmitting device; 21: wireless transmission control unit;
211: wireless communication protocol; 22: decompression unit;
23: the interface unit; 231: the image transmission interface;
232: serial transmission interface; 233: the digital image transmission interface;
234: analogy image transmission interface; 24: processing unit;
251: wireless signal; 252: audio-visual compression signal;
253: controlling signal; 254: audio-visual signal;
26: projection display equipment; 27: storage element;
271: application; 30: radio transmitting device;
31: the wireless transmission control wafer; 311:IEEE802.11x standard;
32: the decompression wafer; 33: the interface Port;
The 331:DVI Port; The 332:RS232 Port;
34: microprocessor; 351: the digit audio-visual signal;
36: projector; 37: memory body;
371: projector's management application; 40: radio transmitting device;
43: the interface Port; The 431:VGA Port;
472: the decompression formula; 50: wireless transmitting system;
51: projection display equipment; 52: radio transmitting device;
53: computer apparatus; 541: wireless communication protocol;
542: audio-visual compression signal; 543: controlling signal;
544: audio-visual signal; 60: wireless transmitting system;
61: projector; 62: the circumscribed Wireless Transmitter;
621: the interface Port; 63: notebook computer;
64: vernier; 641:IEEE 802.11X standard;
65: projector's management application; S71S
-S75: steps flow chart;
S81
-S87: steps flow chart.
Embodiment:
Hereinafter with reference to correlative type, explanation is according to the radio transmitting device that is used for projection display equipment, system and the method thereof of preferred embodiment of the present invention, be convenient to understand for making, the component symbol among the following embodiment be continue to use with last embodiment in the symbol of similar elements illustrate.
See also Fig. 2, it is the block schematic diagram of radio transmitting device of the present invention.Among the figure, radio transmitting device 20 comprises a wireless transmission control unit 21, a decompression unit 22, an interface unit 23, a storage element 27 and a processing unit 24.Wireless transmission control unit 21 receives a wireless signal 251 by a wireless communication protocol 211, and it comprises an audio-visual compression signal 252 and a controlling signal 253.Decompression unit 22 produces an audio-visual signal 254 in order to audio-visual compression signal 252 is carried out a decompression action.Interface unit 23 has an image transmission interface 231 and a serial transmission interface 232.Processing unit 24 is sent to projection display equipment 26 by interface unit 23 with audio-visual signal 254 and controlling signal 253, wherein, audio-visual signal 254 is sent to projection display equipment 26 by image transmission interface 231, and controlling signal 253 is sent to projection display equipment 26 by serial transmission interface 232.Wherein, image transmission interface 231 optionally can comprise digital image transmission interface 233 or analogy image transmission interface 234.Storage element 27 gives far-end download in order to store an application 271 to provide.
Above-mentioned wireless transmission control unit 21 is the wireless transmission control wafer preferably, wireless communication protocol 211 is IEEE 802.11X standard preferably, processing unit 24 is microprocessor preferably, preferably decompress wafer or realize of decompression unit 22 by the mode that microprocessor is carried out software, interface unit 23 is the interface Port preferably, serial transmission interface 232 is the RS232 Port preferably, digital image transmission interface 231 is numerical digit video signal interface (Digital Visual Interface:DVI) Port or high-res multimedia interface (High-Definition Multimedia Interface:HDMI) Port preferably, analogy image transmission interface 231 is visual graphic array (Video Graphics Array:VGA) Port preferably, projection display equipment 26 is projector preferably, and application 271 is projector's management application preferably.
See also Fig. 3, it is the synoptic diagram of the preferred embodiment of radio transmitting device of the present invention.Among the figure, radio transmitting device 30 comprises a wireless transmission control wafer 31, a decompression wafer 32, an interface Port 33, a memory body 37 and a microprocessor 34.Wireless transmission control wafer 31 receives a wireless signal 251 by an IEEE802.11x standard 311, and it comprises an audio-visual compression signal 252 and a controlling signal 253.Decompression wafer 32 produces an audio-visual signal 254 in order to audio-visual compression signal 252 is carried out a decompression action.Interface Port 33 has a DVI Port 331 and a RS232 Port 332.Microprocessor 34 is converted to digit audio-visual signal 351 with audio-visual signal 254, and digit audio-visual signal 351 and controlling signal 253 are sent to projector 36 by interface Port 33, wherein, digit audio-visual signal 351 is sent to projector 36 by DVI Port 331, and controlling signal 253 is sent to projector 36 by RS232 Port 332.One memory body 37 stores projector management application 371, gives far-end download to provide.
See also Fig. 4, it is the block schematic diagram of another preferred embodiment of radio transmitting device of the present invention.Among the figure, radio transmitting device 40 comprises a wireless transmission control wafer 31, an interface Port 43, a memory body 37 and a microprocessor 34.Wireless transmission control wafer 31 receives a wireless signal 251 by an IEEE802.11x standard 311, and it comprises an audio-visual compression signal 252 and a controlling signal 253.Interface Port 43 has a VGA Port 431 and a RS232 Port 332.Memory body 37 stores a projector management application 371 and a decompression formula 472.Microprocessor 34 reads decompression formula 472 from memory body 37, and carries out decompression formula 472 audio-visual compression signal 252 is carried out a decompression action, produces an audio-visual signal 254.Then, microprocessor 34 is sent to projector 36 by interface Port 43 with audio-visual signal 254 and controlling signal 253, wherein, audio-visual signal 254 is sent to projector 36 by VGA Port 431, and controlling signal 253 is sent to projector 36 by RS232 Port 332.Projector's management application 371 gives far-end download in order to provide.
See also Fig. 5, it is the calcspar of wireless transmitting system of the present invention.Among the figure, wireless transmitting system 50 comprises a projection display equipment 51, a radio transmitting device 52 and a computer apparatus 53.Projection display equipment 51 provides Projection Display action.Radio transmitting device 52 electrically connects with projection display equipment 51, so that a wireless transmission function to be provided.Computer apparatus 53 transmits audio-visual compression signals 542 and a controlling signal 543 to radio transmitting device 52 by a wireless communication protocol 541.Wherein, 52 pairs of audio-visual compression signals 542 of radio transmitting device carry out a decompression action, to produce an audio-visual signal 544, and audio-visual signal 544 is sent to projection display equipment 51 carrying out Projection Display action, and radio transmitting device 52 transmit controlling signal 543 to projection display equipment 51 to carry out a control action.Wherein, controlling signal 543 is carried out an application by computer apparatus 53 and is produced, and computer apparatus 53 can be downloaded this application from radio transmitting device 52.Control action comprises the control of Projection Display action, the shutdown action of the boot action of projection display equipment 51 and projection display equipment 51.Above-mentioned projection display equipment 51 is projector preferably, radio transmitting device 52 is circumscribed Wireless Transmitter (Dongle) preferably, computer apparatus 53 is notebook computer preferably, wireless communication protocol 541 is the IEEE802.11X standard preferably, and application is projector's management application preferably.
See also Fig. 6, it is the synoptic diagram of the preferred embodiment of wireless transmitting system of the present invention.Among the figure, wireless transmitting system 60 comprises a projector 61, a circumscribed Wireless Transmitter 62 and a notebook computer 63.Projector 61 provides Projection Display action.Circumscribed Wireless Transmitter 62 has an interface Port 621, and electrically connects with projector 61 by interface Port 621, so that a wireless transmission function to be provided.Notebook computer 63 transmits an audio-visual compression signal 542 shown in Figure 5 and a controlling signal 543 to circumscribed Wireless Transmitter 62 by an IEEE802.11X standard 641.Wherein, 62 pairs of audio-visual compression signals 542 shown in Figure 5 of circumscribed Wireless Transmitter carry out a decompression action, to produce an audio-visual signal 544, and be sent to projector 61 carrying out Projection Display action, and circumscribed Wireless Transmitter 62 also transmit controlling signal shown in Figure 5 543 to projector 61 to carry out a control action.Wherein, controlling signal 543 shown in Figure 5 is carried out projector management application 65 by notebook computer 63 and is produced, therefore, but the vernier 64 on user's Operational Note type computer 63 pictures sees through projector's management application 65 and comes projector 61 is carried out a control action.Control action comprises the control of Projection Display action, the shutdown action of the boot action of projector 61 and projector 61.The control action of Projection Display action comprises the projected picture that freezes (Freeze) projector 61, hides the projected picture of (Hide) projector 61, adjusts brightness, contrast, focusing or the picture amplification of the projected picture of projector 61 and dwindles or the like.Notebook computer 63 can be downloaded projector's management application 65 from circumscribed Wireless Transmitter 62.
See also Fig. 7, it is the process flow diagram of radio transmitting method of the present invention.Among the figure, the flow process of the method continues it by beginning expansion, and step S71 is that a default radio transmitting device and projection display equipment have an electric connection.Then, step S72 is by computer apparatus, transmits an audio-visual compression signal and a controlling signal to radio transmitting device.Continue it, step S73 is by radio transmitting device, and the audio-visual compression signal that decompresses produces an audio-visual signal.Then, step S74 is via radio transmitting device, transmits audio-visual signal to projection display equipment and moves to carry out Projection Display.At last, step S75 is via radio transmitting device, transmits controlling signal to projection display equipment and carries out a control action so that Projection Display is moved.Wherein, controlling signal is carried out an application by computer apparatus and is produced, and computer apparatus since then radio transmitting device download this application.Above-mentioned projection display equipment is projector preferably, radio transmitting device is the circumscribed Wireless Transmitter preferably, computer apparatus is notebook computer preferably, and wireless communication protocol is IEEE 802.11X standard preferably, and application is projector's management application preferably.Control action comprises the control of Projection Display action, the boot action of projection display equipment and the shutdown of projection display equipment action.The control of Projection Display action comprises the projected picture that freezes projection display equipment, hides the projected picture of projection display equipment, adjusts brightness, contrast, focusing or the picture amplification of the projected picture of projection display equipment and dwindles or the like.
See also Fig. 8, it is the preferred embodiment process flow diagram of radio transmitting method of the present invention.Among the figure, the flow process of the method continues it by beginning expansion, and step S81 is that a default circumscribed Wireless Transmitter and projector have an electric connection.Then, step S82 is to use notebook computer to download projector management application from the circumscribed Wireless Transmitter.Then, step S83 carries out projector's management application, to produce a controlling signal.Step S84 is by notebook computer, sees through an IEEE802.11X standard transmission controlling signal and an audio-visual compression signal to the circumscribed Wireless Transmitter.Continue it, step S85 is by the circumscribed Wireless Transmitter, and the audio-visual compression signal that decompresses produces an audio-visual signal.Then, step S86 is via the circumscribed Wireless Transmitter, transmits audio-visual signal to projector and moves to carry out a Projection Display.At last, step S87 is via the circumscribed Wireless Transmitter, transmits controlling signal to projector and carries out a control action so that Projection Display is moved.Control action comprises the control of Projection Display action, the boot action of projection display equipment and the shutdown of projection display equipment action.The control of Projection Display action comprises the projected picture that freezes projection display equipment, hides the projected picture of projection display equipment, adjusts brightness, contrast, focusing or the picture amplification of the projected picture of projection display equipment and dwindles or the like.
The above only is an illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should be contained in the accompanying claim its equivalent modifications of carrying out or change.
Claims (26)
1, a kind of radio transmitting device that is used for projection display equipment comprises:
One wireless transmission control unit is to receive a wireless signal by a wireless communication protocol, and this wireless signal comprises an audio-visual compression signal and a controlling signal;
One decompression unit is in order to this audio-visual compression signal carried out a decompression action, to produce an audio-visual signal;
One interface unit has a digital image transmission interface and a RS232 Port;
One processing unit is that this audio-visual signal is converted to a digit audio-visual signal, and by this interface unit this digit audio-visual signal and this controlling signal is sent to this projection display equipment;
Wherein, this digit audio-visual signal is to be sent to this projection display equipment by this digital image transmission interface, and this controlling signal is to be sent to this projection display equipment by this serial transmission interface.
2, a kind of radio transmitting device that is used for projection display equipment comprises:
One wireless transmission control unit is to receive a wireless signal by a wireless communication protocol, and this wireless signal comprises an audio-visual compression signal and a controlling signal;
One decompression unit is in order to this audio-visual compression signal carried out a decompression action, to produce an audio-visual signal;
One interface unit has a serial transmission interface and a numerical digit video signal interface (Digital Visual Interface:DVI) Port or a high-res multimedia interface (High-Definition Multimedia Interface:HDMI) Port;
One processing unit is that this audio-visual signal is converted to a digit audio-visual signal, and by this interface unit this digit audio-visual signal and this controlling signal is sent to this projection display equipment;
Wherein, this digit audio-visual signal is to be sent to this projection display equipment by this digital image transmission interface, and this controlling signal is to be sent to this projection display equipment by this serial transmission interface.
3, as the 1st of claim or the 2nd described radio transmitting device, it is characterized in that this radio transmitting device more comprises a storage element, this storage element is in order to store an application, to give far-end download to provide.
As the 1st of claim or the 2nd described radio transmitting device, it is characterized in that 4, this wireless communication protocol is an IEEE 802.11X standard.
As the 1st of claim or the 2nd described radio transmitting device, it is characterized in that 5, this decompression unit is a decompression wafer or realizes in a software mode.
6, a kind of radio transmitting device that is used for projection display equipment comprises:
One wireless transmission control unit is to receive a wireless signal by a wireless communication protocol, and this wireless signal comprises an audio-visual compression signal and a controlling signal;
One decompression unit is in order to this audio-visual compression signal carried out a decompression action, to produce an audio-visual signal;
One interface unit has an analogy image transmission interface and a serial transmission interface;
One processing unit, be by this interface unit should audio-visual signal and this controlling signal be sent to this projection display equipment;
Wherein, this audio-visual signal is to be sent to this projection display equipment by this analogy image transmission interface, and this controlling signal is to be sent to this projection display equipment by this serial transmission interface.
7, as the 6th described radio transmitting device of claim, it is characterized in that this radio transmitting device more comprises a storage element, this storage element is in order to store an application, to give far-end download to provide.
As the 6th described radio transmitting device of claim, it is characterized in that 8, this wireless communication protocol is an IEEE 802.11X standard.
9, as the 6th described radio transmitting device of claim, it is characterized in that this serial transmission interface is the RS232 Port.
As the 6th described radio transmitting device of claim, it is characterized in that 10, this analogy image transmission interface is visual graphic array interface (VideoGraphics Array:VGA) Port.
As the 6th described radio transmitting device of claim, it is characterized in that 11, this decompression unit is a decompression wafer or realizes in a software mode.
12, a kind of wireless transmitting system comprises:
One projection display equipment provides Projection Display action;
One radio transmitting device is to electrically connect with this projection display equipment, so that a wireless transmission function to be provided;
One computer apparatus is to transmit an audio-visual compression signal and a controlling signal to this radio transmitting device by a wireless communication protocol;
Wherein, this radio transmitting device carries out a decompression action to this audio-visual compression signal, to produce an audio-visual signal, and should audio-visual signal be sent to this projection display equipment carrying out this Projection Display action, and this radio transmitting device transmit this controlling signal to this projection display equipment to carry out a control action.
13, as the 12nd described wireless transmitting system of claim, it is characterized in that this radio transmitting device has an interface Port, be in order to the electric connection of this projection display equipment.
As the 12nd described wireless transmitting system of claim, it is characterized in that 14, this radio transmitting device is a circumscribed Wireless Transmitter (Dongle).
As the 12nd described wireless transmitting system of claim, it is characterized in that 15, this controlling signal is to carry out an application by this computer apparatus to produce.
As the 15th described wireless transmitting system of claim, it is characterized in that 16, this application can be downloaded from this radio transmitting device.
As the 12nd described wireless transmitting system of claim, it is characterized in that 17, this control action comprises the control of this Projection Display action.
As the 12nd described wireless transmitting system of claim, it is characterized in that 18, this control action comprises the boot action of this projection display equipment and the shutdown action of this projection display equipment.
19, as the 17th described wireless transmitting system of claim, it is characterized in that, the control of this Projection Display action comprises the projected picture that freezes (Freeze) this projection display equipment, hides the projected picture of (Hide) this projection display equipment and adjusts the parameter of the projected picture of this projection display equipment.
20, a kind of radio transmitting method is used for the transmission between a computer apparatus and a projection display equipment, and this radio transmitting method comprises the following step:
A default radio transmitting device and this projection display equipment have an electric connection;
By this computer apparatus, transmit an audio-visual compression signal and a controlling signal to this radio transmitting device;
By this radio transmitting device, this audio-visual compression signal that decompresses produces an audio-visual signal;
Via this radio transmitting device, transmit this audio-visual signal to this projection display equipment and move to carry out this Projection Display;
Via this radio transmitting device, transmit this controlling signal to this projection display equipment and carry out a control action so that this Projection Display is moved.
21, as the 20th described radio transmitting method of claim, it is characterized in that, more be contained in this computer apparatus and carry out an application to produce this controlling signal.
22, as the 21st described radio transmitting method of claim, it is characterized in that, more comprise from this radio transmitting device and download this application.
As the 20th described radio transmitting method of claim, it is characterized in that 23, more comprising provides a circumscribed Wireless Transmitter as this radio transmitting device.
24, as the 20th described radio transmitting method of claim, it is characterized in that, more comprise the action of this Projection Display is provided control as this control action.
As the 20th described radio transmitting method of claim, it is characterized in that 25, the shutdown action that more comprises boot action that this projection display equipment is provided and this projection display equipment is as this control action.
26, as the 24th described radio transmitting method of claim, it is characterized in that, more comprising provides the projected picture that freezes this projection display equipment, and the parameter of projected picture of hiding the projected picture of this projection display equipment and adjusting this projection display equipment is as the control of this Projection Display action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005101318309A CN1987632B (en) | 2005-12-20 | 2005-12-20 | Radio transmission device, system and its method for projection display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005101318309A CN1987632B (en) | 2005-12-20 | 2005-12-20 | Radio transmission device, system and its method for projection display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1987632A true CN1987632A (en) | 2007-06-27 |
| CN1987632B CN1987632B (en) | 2010-11-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005101318309A Expired - Fee Related CN1987632B (en) | 2005-12-20 | 2005-12-20 | Radio transmission device, system and its method for projection display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1987632B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012619A (en) * | 2010-09-30 | 2011-04-13 | 上海理工大学 | Projector with wireless data communication function |
| CN103235705A (en) * | 2013-02-27 | 2013-08-07 | 广东工业大学 | Multi-user wireless projection method and projection gateway |
| CN103916616A (en) * | 2013-01-08 | 2014-07-09 | 置富存储科技(深圳)有限公司 | Wireless audio transmitting device and wireless audio transmitting system |
| WO2016206282A1 (en) * | 2015-06-23 | 2016-12-29 | 广景视睿科技 （深圳）有限公司 | Wireless smart projection system and projector |
| CN108965908A (en) * | 2018-07-19 | 2018-12-07 | 深圳国微视安科技有限公司 | A kind of method of quick obtaining program TS stream |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140330957A1 (en) * | 2012-08-21 | 2014-11-06 | Intel Corporation | Widi cloud mode |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6830340B2 (en) * | 2001-12-26 | 2004-12-14 | Infocus Corporation | Image-rendering device |
| CN2574073Y (en) * | 2002-09-30 | 2003-09-17 | 黄世斌 | Projector capable of receiving radio signals |
-
2005
- 2005-12-20 CN CN2005101318309A patent/CN1987632B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012619A (en) * | 2010-09-30 | 2011-04-13 | 上海理工大学 | Projector with wireless data communication function |
| CN103916616A (en) * | 2013-01-08 | 2014-07-09 | 置富存储科技(深圳)有限公司 | Wireless audio transmitting device and wireless audio transmitting system |
| CN103235705A (en) * | 2013-02-27 | 2013-08-07 | 广东工业大学 | Multi-user wireless projection method and projection gateway |
| CN103235705B (en) * | 2013-02-27 | 2016-08-17 | 广东工业大学 | Multi-user radio projecting method and projection gateway |
| WO2016206282A1 (en) * | 2015-06-23 | 2016-12-29 | 广景视睿科技 （深圳）有限公司 | Wireless smart projection system and projector |
| CN108965908A (en) * | 2018-07-19 | 2018-12-07 | 深圳国微视安科技有限公司 | A kind of method of quick obtaining program TS stream |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1987632B (en) | 2010-11-03 |
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