CN101710950A - Multimedia digital (analog) mobile television supporting projection display mode - Google Patents
Multimedia digital (analog) mobile television supporting projection display mode Download PDFInfo
- Publication number
- CN101710950A CN101710950A CN200910209859A CN200910209859A CN101710950A CN 101710950 A CN101710950 A CN 101710950A CN 200910209859 A CN200910209859 A CN 200910209859A CN 200910209859 A CN200910209859 A CN 200910209859A CN 101710950 A CN101710950 A CN 101710950A
- Authority
- CN
- China
- Prior art keywords
- module
- projection
- multimedia
- simulation
- mobile television
- 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
Images
Landscapes
- Transforming Electric Information Into Light Information (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Projection Apparatus (AREA)
Abstract
The invention relates to a multimedia digital (analog) mobile television supporting projection display mode, which comprises a multimedia decoding module, a digital television module, an analog television module, a rechargeable battery module, an audio amplifier, an LCD display screen and an external antenna. The television is characterized in that the television also comprises a projection display micro-module and a display switch module; the input end of the display switch module is connected with external video input; and signals output by a baseband processor in the multimedia decoding module is processed by the display switch module and then is connected with the projection display micro-module. The multimedia digital (analog) mobile television supporting projection display mode can be used to realize the projection display of multimedia television content or external input video signals, and has the advantages of simple structure, stable performance, low cost and good market value.
Description
Technical field
The present invention relates to a kind of multimedia digital (simulation) mobile television of projection display mode.
Background technology
The technical development of multimedia digital (simulation) mobile television has become indispensable instrument in people's daily life and the work.And along with development of technology, multimedia digital (simulation) mobile television is except realizing seeing substantially TV, video playback, music, Entertainment, office tools etc.And as multimedia digital (simulation) mobile television of portable set, volume is little, and screen is little, is convenient for carrying.These the very big influence effect and user experiences of watching when using such as the screen on utilizing multimedia digital (simulation) mobile television sees a film, sees TV, play games have limited the use of user to these business greatly.
Shadow casting technique is extensive use of on equipment such as projecting apparatus as a kind of Display Technique that is used for amplifying display image.The LCD technology that adopts on the mode of Projection Display, principle and the media product at present has different greatly.Basically all types of projecting apparatus all are earlier irradiate light to be produced image to image-displaying member, carry out projection by camera lens then.The image-displaying member of projecting apparatus comprises the reflection-type of utilizing printing opacity to produce the infiltration type of image and utilizing reverberation generation image.Any type no matter all is that the light with projection lamp is divided into red, green, blue three looks, produces versicolor image again.Show because element itself can only carry out monochrome, therefore will utilize 3 elements to generate 3 colour contents respectively.This 3 color image being synthesized an image, projecting on the screen then by camera lens by prism.
The Large Screen Display Technology of projection becomes a kind of direction that realizes Large Screen Display Technology on the multimedia, but because the volume and the power consumption of projecting apparatus are bigger, and the data format of projecting apparatus, differing greatly of display mode and multimedia application, utilize shadow casting technique to realize that the mode of the large scale display on the multimedia is at present: built-in Data Format Transform module realizes the format conversion of multimedia display data and projecting apparatus data on the multimedia, provide transducer to output on the existing projecting apparatus video data of multimedia output, though this mode has realized the large scale display of content of multimedia, but because multimedia and projecting apparatus are two separate equipment, and general projecting apparatus volume is big, power consumption is big, need Alternating Current Power Supply, do not possess portability, so this technical scheme is not brought into play the multimedia portability, so this technical scheme is not brought into play the characteristics that the multimedia portability can be used whenever and wherever possible, greatly limited the scope of application of multimedia large screen projection.
Summary of the invention
In view of the deficiency of above-mentioned technology, the purpose of this invention is to provide multimedia digital (simulation) mobile television that a kind of projection support pattern shows, use this television set can realize the Projection Display of content of multimedia television content or outside incoming video signal.
For achieving the above object, the present invention is by the following technical solutions: a kind of multimedia digital of projection support display mode (simulation) mobile television, comprise the multimedia decoding module, digital television module, simulated television module, rechargeable battery module, audio frequency power amplifier, LCD display and exterior antenna is characterized in that: also comprise the micro projection display module and show handover module; The input of described demonstration handover module is connected to the external video input, and the signal of the baseband processor output in the described multimedia decoding module is connected with the micro projection display module through showing after handover module is handled.
The TV signal that the present invention can projection numeral in real time (simulation) television set receives, simultaneously can also realize functions such as general numeral (simulation) is televised, MP4 video playback, MP3 music, e-book, volume is little, simple structure, cost is low, has certain market value.
Description of drawings
Fig. 1 is a circuit theory schematic block diagram of the present invention.
Fig. 2 is the theory of constitution block diagram of micro projection display module of the present invention.
Fig. 3 is the composition schematic diagram of preferred embodiment of the present invention.
Embodiment
The present invention will be further described below in conjunction with drawings and Examples.
As shown in Figure 1, the invention provides a kind of multimedia digital (simulation) mobile television of projection support display mode, comprise the multimedia decoding module, digital television module, simulated television module, rechargeable battery module, audio frequency power amplifier, LCD display and exterior antenna is characterized in that: also comprise the micro projection display module and show handover module; The input of described demonstration handover module is connected to the external video input, and the signal of the baseband processor output in the described multimedia decoding module is connected with the micro projection display module through showing after handover module is handled.
Please continue with reference to Fig. 1, under the control of the baseband processor of multimedia digital (simulation) mobile television, finish the Projection Display of multimedia digital (simulation) mobile television displaying contents or the Projection Display of outside input video input by the demonstration handover module as the micro projection display module of projection display mode core.
The function that shows handover module mainly comprises two:
1) shows switching controls: under the control of multimedia digital (simulation) mobile television processor, finish the LCD demonstration of multimedia digital (simulation) mobile television and the switching of Projection Display; Under the control of multimedia digital (simulation) mobile television processor, the content of multimedia digital (simulation) mobile television and the Projection Display switching of external video input have been realized.
2) operating state of minitype projection module control: under the control of multimedia digital (simulation) mobile television baseband processor, realized power supply control to the micro projection display module, make that the micro projection display module is in low power consumpting state under non-projection mode, thereby prolong the operating time of multimedia digital (simulation) mobile television; Realized under non-projection display mode, possessing and the same performance of common multimedia numeral (simulation) mobile television.
The demonstration handover module has been realized three kinds of mode of operations of multimedia digital (simulation) mobile television:
Pattern one: multimedia digital (simulation) mobile television pattern, show that as generally using multimedia digital (simulation) mobile television to shield the micro projection display module is in closed condition with LCD, the external video input receives and is in low power consumpting state.
Pattern two: multimedia digital (simulation) mobile television projection mode, using projection mode to show, the content of Projection Display is the displaying contents of multimedia digital (simulation) mobile television, the micro projection display module is in state of activation, and the external video input receives and is in low power consumpting state.
Pattern three: projecting apparatus pattern, this moment, multimedia digital (simulation) mobile television showed as common projecting apparatus, the content of Projection Display is the input of external video, the content of multimedia digital (simulation) mobile television uses LCD to show, the micro projection display module is in state of activation, and the external video input receives and is in state of activation.
Show that as Fig. 2 the micro projection display module mainly is made up of three parts: bare engine module, micro projection driver module, micro projection constant-current driven module.
Data converter in the micro projection driver module is finished the conversion to video format of video data form that the base band of multimedia digital (simulation) mobile television exports, also finish inner multimedia numeral (simulation) mobile television simultaneously and hold the high-resolution conversion under the Projection Display of low display resolution, the liquid crystal in the micro projection driver module drives the needed bias voltage of LCD MODULE and the operating voltage of advising in the device output bare engine module.
The micro projection driver module also possesses the video inputs mouth, supports the input of external analog or digital video, and video receiver is finished the video format conversion of input video to the interior data converter of micro projection driver module.
The Projection Display of multimedia digital (simulation) mobile television needs light source that very high brightness and smaller volume are arranged, and can adopt the solid state lighting technology of led light source, laser or other small size to realize.
The micro projection constant-current driven module has adopted the high efficiency DC/DC converter technique that combines with voltage-dropping type of boosting to come output HIGH current, realized constant electric current output by output current sampling and FEEDBACK CONTROL, constant current output has guaranteed the stable of light source light brightness, has avoided the flicker under the projection mode.Lithium battery power supply and the input of the power supply under the external adapter in multimedia digital (simulation) mobile television used in the support of micro projection constant-current driven module.
The data of Projection Display output to LCD MODULE in the bare engine module from the micro projection driver module, and LCD MODULE can adopt LCOS technology or DLP technology to realize small size, high-resolution, high luminance relay prime number.
After the data of Projection Display are exported by LCD MODULE, under the excitation of light source,, project on the screen by the output of optical imagery module.The optical imagery module adopts a plurality of prismatic lenses to realize under the small size image on the LCD MODULE being shown by projection mode by the method that reflects, and supports the manual adjustments focal length, can adopt glass or resin.
Described demonstration handover module can and utilize the IC Devices Characteristics to constitute by some simulations and digital switch.
Fig. 3 is an instantiation, multimedia digital (simulation) mobile television multimedia decoding chip adopts RK 2706, digital television chip adopts FC2550+TP3001B, and the simulated television chip adopts TLG1120, and internal memory IC adopts HY27uV08BG5A+SD57D281642p.
LCD MODULE adopts the LCOS technology, and resolution is WQVGA (640x480), 24 looks, and the micro projection driver module is made up of SID1346 and HX7805.SID1346 finishes the conversion of the video data form of multimedia digital (simulation) mobile television base band output to video CCIR-656 form, finishes the conversion of the low resolution video data 320x240 of multimedia digital (simulation) mobile television baseband processor output to required VGA (640x480) form of LCD MODULE simultaneously.
Video is input as the composite analog video input, and video receiver is TVP5150AM1, finishes the conversion that analog video is input to video format CCIR-656 form, and the video data of TVP5150AM1 output is connected to HX7805 and then carries out Projection Display.
Constant-current driving adopts TPS61059, for the led light source of ray machine provides stable constant-current source.
Realize showing handover module by some simulations and digital switch and the characteristic that combines in the IC device.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to the present patent application claim change and modify, and all should belong to covering scope of the present invention.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to the present patent application claim change and modify, and all should belong to covering scope of the present invention.
Claims (10)
1. the multimedia digital of a projection support display mode (simulation) mobile television, comprise the multimedia decoding module, digital television module, simulated television module, rechargeable battery module, audio frequency power amplifier, LCD display and exterior antenna is characterized in that: also comprise the micro projection display module and show handover module; The input of described demonstration handover module is connected to the external video input, and the signal of the baseband processor output in the described multimedia decoding module is connected with the micro projection display module through showing after handover module is handled.
2. the multimedia digital of projection support display mode according to claim 1 (simulation) mobile television is characterized in that: described micro projection display module comprises projection driver module, the bare engine module with video data converter and liquid crystal driver and is used for providing the micro projection constant-current driven module of power supply to bare engine module.
3. the multimedia digital of projection support display mode according to claim 1 (simulation) mobile television is characterized in that: the TV signal that the described mobile television of projection in real time receives; When the content of Projection Display external video, the audio frequency of outside input carries out real-time broadcast by audio frequency power amplifier and loudspeaker.
4. the multimedia digital of projection support display mode according to claim 2 (simulation) mobile television, it is characterized in that: described bare engine module comprises LCD MODULE, light source and optical imagery module, and the image on the described LCD MODULE is imported the optical imagery module and shown with projection mode under the excitation of light source.
5. the multimedia digital of projection support display mode according to claim 2 (simulation) mobile television is characterized in that: described micro projection driver module comprises that the video data format conversion that is used for multimedia baseband processor output becomes the data converter of video format and is used for exporting the liquid crystal driver of the required voltage of LCD MODULE.
6. the multimedia digital of projection support display mode according to claim 2 (simulation) mobile television is characterized in that: the DC/DC conversion that described micro projection constant-current driven module combines with voltage-dropping type by boosting is to realize constant current output.
7. the multimedia digital of projection support display mode according to claim 4 (simulation) mobile television, it is characterized in that: the physical size on the suitable media product of described LCD MODULE is less than 10mmx10mm, the resolution that is higher than 640x480, the Display Technique of employing: LCOS, DLP.
8. the multimedia digital of projection support display mode according to claim 4 (simulation) mobile television, it is characterized in that: described light source adopts the solid state lighting technology of small size, produces visible light efficiently, reduced the heating of bare engine module, the light source technology of employing: LED, laser.
9. the multimedia digital of projection support display mode according to claim 4 (simulation) mobile television, it is characterized in that: described optical imagery module has a plurality of eyeglasses, image on the LCD MODULE can be shown the manual adjustments focal length by projection mode by described eyeglass.
10. according to multimedia digital (simulation) mobile television of each described projection support display mode in the claim 1 to 9, it is characterized in that: realize that general digital-to-analog is televised, MP4 video playback, MP3 music, e-book function, the technology of multi-media module adopts audio/video decoding and compress technique.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910209859A CN101710950A (en) | 2009-11-07 | 2009-11-07 | Multimedia digital (analog) mobile television supporting projection display mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910209859A CN101710950A (en) | 2009-11-07 | 2009-11-07 | Multimedia digital (analog) mobile television supporting projection display mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101710950A true CN101710950A (en) | 2010-05-19 |
Family
ID=42403709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910209859A Pending CN101710950A (en) | 2009-11-07 | 2009-11-07 | Multimedia digital (analog) mobile television supporting projection display mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101710950A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568255A (en) * | 2010-12-29 | 2012-07-11 | 爱国者数码科技有限公司 | Electronic book with micro projector |
| CN102572331A (en) * | 2010-12-29 | 2012-07-11 | 爱国者数码科技有限公司 | Television with micro-projector |
| CN102801931A (en) * | 2011-05-27 | 2012-11-28 | 天津三星电子有限公司 | Television with projecting function |
| CN105681705A (en) * | 2016-01-28 | 2016-06-15 | 中国科学技术大学先进技术研究院 | Video projection method and system |
-
2009
- 2009-11-07 CN CN200910209859A patent/CN101710950A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568255A (en) * | 2010-12-29 | 2012-07-11 | 爱国者数码科技有限公司 | Electronic book with micro projector |
| CN102572331A (en) * | 2010-12-29 | 2012-07-11 | 爱国者数码科技有限公司 | Television with micro-projector |
| CN102801931A (en) * | 2011-05-27 | 2012-11-28 | 天津三星电子有限公司 | Television with projecting function |
| CN105681705A (en) * | 2016-01-28 | 2016-06-15 | 中国科学技术大学先进技术研究院 | Video projection method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201312342Y (en) | Mobile phone supporting projection display mode | |
| CN101303515B (en) | Docking station for projection display applications | |
| CN101651728B (en) | Projection apparatus and projection method based on liquid crystal display screen of mobile phone | |
| CN104679148A (en) | Portable display control terminal equipment based on MHL (mobile high-definition link) technology | |
| CN101710950A (en) | Multimedia digital (analog) mobile television supporting projection display mode | |
| CN101470337B (en) | Mobile equipment embedded with projector module | |
| CN202349607U (en) | Flashlight with LED mini projector | |
| US20110070920A1 (en) | Method for a phone with content projector | |
| CN201199314Y (en) | Multifunctional projection DVD | |
| CN201629057U (en) | Learning machine for supporting projection model | |
| CN201523422U (en) | Multi-media digital (analogy) mobile television supporting projection display modes | |
| CN113518213B (en) | Real-time dynamic video display system based on 4k digital micromirror chip | |
| CN101794612B (en) | DVD playing device supporting projection display | |
| CN210781096U (en) | Integrative device of audio frequency and video meeting | |
| CN202872960U (en) | Intelligentized and small-sized DLP acoustic image projector | |
| CN203275867U (en) | Projector | |
| CN201550229U (en) | Projector capable of carrying out video conferences | |
| CN201773255U (en) | Projector for mobile phone and projection mobile phone | |
| CN201628837U (en) | Handheld camera shooting and projecting machine | |
| CN212933138U (en) | Device of Type-C self-adaptation output near-to-eye display array optical waveguide glasses | |
| CN201060361Y (en) | Projection/camera assembly | |
| CN204031353U (en) | Laser Totally colorful display system | |
| CN204652584U (en) | The micro-projection SmartMovie of LED light source DLP | |
| CN210348172U (en) | DLP intelligence projection arrangement and projecting apparatus | |
| CN201629155U (en) | DVD playing device for supporting projection display |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20100519 |