CN201449511U - Laser projection system - Google Patents
Laser projection system Download PDFInfo
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- CN201449511U CN201449511U CN2009200366756U CN200920036675U CN201449511U CN 201449511 U CN201449511 U CN 201449511U CN 2009200366756 U CN2009200366756 U CN 2009200366756U CN 200920036675 U CN200920036675 U CN 200920036675U CN 201449511 U CN201449511 U CN 201449511U
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Abstract
The utility model provides a laser projection system. The laser projection system is characterized by comprising a signal transmitting device, a laser reflecting device, a laser modulating device, a signal converting module, a laser reflecting device control module and a laser projection control module. The laser projection system has the beneficial effects that since MEMS technique is adopted, the laser projection module can be designed to be minimum and can be integrated into a handset or a flash memory, thereby all people can experience the display technique of next generation at any time and at any places, furthermore, since the laser power consumption is far lower than the power consumption of existing LED lamps, the laser projection system is more energy-saving and environment-friendly, and since the laser imaging features such as contrast, brightness, color saturation, imaging concentration and the like are better than common LED lamps, the laser projection system has strong extension significance.
Description
Technical field
The utility model relates to a kind of laser projection system, produces or transmitting device applicable to the data-signal that comprises mobile phone, flash memory.
Background technology
At present, mobile phone has become one of indispensable communication tool of people's daily life and work, is subjected to people's generally favor because of its characteristics such as convenient, practical, reliable.Mobile phone develops into some multi-functional high-end products such as nowadays having handwriting input, MP3, MP4,3D and bluetooth from single originally wireless communication instrument, its internal configurations and corresponding function are gradually improved, thereby, many allocation functions of existing mobile phone generally enter daily life, for example: the transmitting-receiving note, play games, see a film, receiving and dispatching mail, see TV etc.Yet, existing mobile phone also problem of ubiquity in people's use, the screen that is mobile phone is less relatively, although the screen of touch-screen type mobile phone is more relatively large, also can realize local repressentation or full screen display,, all can not satisfy the actual needs that the user enlarges screen display because of the whole size that is confined to mobile phone, in other words, existing mobile phone neither possesses direct switching and enlarges Presentation Function, does not also possess projection and enlarges Presentation Function.Therefore, along with the continuous progress of science and technology and the continual renovation of product are regenerated, existing mobile phone is still waiting further to improve the needs that could adapt to market with innovation.
Flash memory is as present the most frequently used data transmission device, and band also produces the flash memory that has projecting function.And when people need be the image projection in the computer, need meet a small-sized projector on computers, perhaps copy in the projector and show with flash memory.Though having occurred on the market with LED, 3LCD, LCOS, DLP is the small-sized projector of representative, its thermal value and life-span also can not be satisfied people's demand far away.
The utility model content
The purpose of this utility model is to solve above-mentioned technical matters, and a kind of laser projection system that projection enlarges Presentation Function that has is provided, and produces or transmitting device applicable to the data-signal that comprises mobile phone, flash memory.
The purpose of this utility model is achieved through the following technical solutions:
A kind of laser projection system is characterized in that: comprises signal transmitting apparatus, laser-bounce device, Laser Modulation device, reaches signal conversion module, laser-bounce device control module, laser projections control module,
Described signal transmitting apparatus is connected with the signal input part of signal conversion module, the control signal that the conversion of signals that described signal conversion module is used for receiving becomes described laser-bounce device and Laser Modulation device to discern;
The signal input part of described laser projections control module is connected with the signal output part of signal conversion module, is used for control signal is transferred to connected Laser Modulation device;
Described Laser Modulation device is used to control laser projections to described laser-bounce device;
The signal input part of described laser-bounce device control module is connected with the signal output part of signal conversion module, is used for control signal is transferred to connected laser-bounce device;
Described laser-bounce device is used to reflect the laser that projects on it;
From mobile phone projection mouth, penetrated and form projection by described laser-bounce device laser light reflected.
Further, described signal conversion module, laser-bounce device control module, laser projections control module are integrated on the same microprocessor.
Again further, described Laser Modulation device comprises that the three beams that is arranged on mobile phone inside can produce the laser tube of the laser of different colours.Described Laser Modulation device also comprises optical filter and closes mating plate, and described laser projections control module control three beams of laser pipe forms beam of laser after producing behind the three beams of laser successively after filtration mating plate and closing mating plate.
Further, described laser-bounce device comprises interconnective micromotor and deflection film, and described micromotor is rotated by described laser-bounce device control module control, and described micromotor is used to control deflection film and rotates around motor shaft.Described laser projections to the described deflection film after, penetrate with Laser emission and from mobile phone projection mouthful by described deflection film.The slewing area of described deflection film is the 0-180 degree.
Again further, described micromotor is driven by discerning its inner location of pixels by described laser-bounce device control module.
Further, described laser projection system be arranged on mobile phone or flash memory etc. and have that data-signal produces, in the device of transfer function.
The beneficial effects of the utility model are mainly reflected in: owing to adopted the MEMS technology, so the laser projection module can be designed into and minimize, and is integrated in mobile phone or the flash memory, makes everyone can both experience follow-on display technique anywhere or anytime; In addition, because the power consumption of laser is well below the power consumption of existing LED lamp, so the utility model is more energy-conservation, environmental protection; Moreover because the demonstration imaging characteristic of laser, promptly contrast, brightness, color saturation, imaging intensity or the like are all well a lot of than common LED lamp, therefore the utlity model has very strong dissemination.
Description of drawings
Below in conjunction with accompanying drawing technical solutions of the utility model are described further:
Fig. 1: laser projection mobile phone synoptic diagram of the present utility model.
Fig. 2: laser projection theory diagram of the present utility model.
Fig. 3: the synoptic diagram of microprocessor Video processing of the present utility model.
Fig. 4: laser projection flash memory synoptic diagram of the present utility model.
Embodiment
With the laser projection mobile phone that has laser projection system is example, as shown in Figure 1, comprises mobile phone body 1 and be arranged on projection mouth 2 on the phone housing that this is mobile phone one specific embodiment certainly, and the form of mobile phone is not limited to this.
Also be provided with laser projection system in the mobile phone, as shown in Figure 2, laser projection system comprises signal transmitting apparatus, laser-bounce device, Laser Modulation device, reaches signal conversion module, laser-bounce device control module, laser projections control module.Described signal conversion module, laser-bounce device control module, laser projections control module are integrated on the same microprocessor 4.In this preferred embodiment, microprocessor 4 adopts DSP technology at a high speed.DSP relies on its processing speed at a high speed, and specific Harvard structure is highly suitable for the control of Video processing and micromotor.Its principle of work is that the vision signal of input is discerned, handled according to special algorithm, changes into control micromotor pwm signal of using and the control signal of adjusting laser brightness and colourity.
Described signal transmitting apparatus 3 is connected with the signal input part of signal conversion module, is used for giving signal conversion module with the digital signal transmission of mobile phone; Described signal conversion module is used for converting digital video signal to described laser-bounce device 5 and 6 control signals that can discern of Laser Modulation device. specifically, it is that video data shows to the LCD liquid crystal display that the Media Processor of mobile phone or baseband chip can be exported. by adding a fpga chip that adopts the DSP technology, can the video input format of different-format convert to RGB565 video signal standard .FPGA chip internal that laser module needs can also be integrated a video switch, be used for controlling the video data input source of laser.
The signal input part of described laser projections control module is connected with the signal output part of signal conversion module, is used for control signal is transferred to connected Laser Modulation device 6; Described Laser Modulation device 6 is used to control laser projections to described laser-bounce device; Further, described mobile phone inside is provided with RGB three beams of laser pipe, and can produce three beams of laser.Described Laser Modulation device 6 comprises optical filter 61 and closes mating plate 62, and described laser projections control module control three beams of laser pipe forms beam of laser after producing behind the three beams of laser successively after filtration mating plate and closing mating plate.
The signal input part of described laser-bounce device control module is connected with the signal output part of signal conversion module, is used for control signal is transferred to connected laser-bounce device 5; Described laser-bounce device 5 is used to reflect the laser that projects on it; Further, described laser-bounce device 5 comprises interconnective micromotor 51 and deflection film 52, and described micromotor 51 is rotated by the control of described laser-bounce device control module, and described micromotor 51 is used to control deflection film 52 and rotates around motor shaft.The slewing area of described deflection film 52 is the 0-180 degree.
Again further specifically, after the vision signal of the input process DSP microprocessor processes,, regulate the micromotor velocity of rotation, thereby make deflection film present different deflection angles according to the difference of input data.Simultaneously, in case after having detected data inputs, DSP modulates the RGB three beams of laser, thereby produces the three beams of laser of different brightness and phase place, after mating plate and RGB close mating plate and close light after filtration, form number rgb light bundles; This light beam is incident upon on the deflection film of high speed deflection after modulating once more through DSP, because the good reflectivity of laser after the reflection, is incident upon on the plane of wanting imaging from mobile phone projection mouth.Different deflection film angles, the position of imaging is also different; Because the suspenopsia frequency of human eye is 75Hz, and the speed of high speed deflection film is far longer than this frequency, so though be that a pixel (reflect Polaroid pixel) connects a pixel and throws during imaging, what human eye was seen is whole image.
Described micromotor is driven by discerning its inner location of pixels by described laser-bounce device control module.As shown in Figure 3, each red pixel is made up of 5bit, each pixel all can have corresponding position in a frame picture, and the laser-bounce device control module can be controlled the rotating speed of micromotor according to locations of pixels, be that the laser-bounce device control module can resolve into X, Y both direction to the motion of micromotor, and X, Y can produce relative position according to the difference of pixel, produce corresponding rotating speeds thereby control micromotor.In this preferred embodiment, pixel value has also reflected color and brightness.The DSP microprocessor can come the brightness and the color of dynamic adjustments laser according to each pixel value, thereby presents different colors, and this is that the LCD projection is incomparable.
The present invention has adopted the MEMS technology, and so-called MEMS technology is meant MEMS (micro electro mechanical system), and with respect to traditional machinery, size is littler, can only be several microns.Therefore in mobile phone of the present invention, micromotor and deflection film are all minimum, are integrated in the mobile phone.In order to make drop shadow effect better, this preferred embodiment is provided with 200,000 micromotors and the deflection film that is attached thereto in mobile phone.
Same, laser projection system of the present utility model can be used for other data transmission device such as flash memory, and as shown in Figure 4, this flash memory comprises a body 1 and projection mouthfuls 2, and inside is provided with above-mentioned laser projection system.
The utility model still has multiple concrete embodiment, comprises anyly can self producing signal or can being provided with laser projection system of the present utility model in the apparatus for transmitting data, all drops within the claimed scope of the utility model.
Claims (7)
1. laser projection system is characterized in that: comprise signal transmitting apparatus, laser-bounce device, Laser Modulation device, and signal conversion module, laser-bounce device control module, laser projections control module,
Described signal transmitting apparatus is connected with the signal input part of signal conversion module, the control signal that the conversion of signals that described signal conversion module is used for receiving becomes described laser-bounce device and Laser Modulation device to discern;
The signal input part of described laser projections control module is connected with the signal output part of signal conversion module, is used for control signal is transferred to connected Laser Modulation device;
Described Laser Modulation device is used to control laser projections to described laser-bounce device;
The signal input part of described laser-bounce device control module is connected with the signal output part of signal conversion module, is used for control signal is transferred to connected laser-bounce device;
Described laser-bounce device is used to reflect the laser that projects on it;
From mobile phone projection mouth, penetrated and form projection by described laser-bounce device laser light reflected.
2. laser projection system according to claim 1 is characterized in that: described signal conversion module, laser-bounce device control module, laser projections control module are integrated on the same microprocessor.
3. laser projection system according to claim 1 is characterized in that: described Laser Modulation device comprises that the three beams that is arranged on mobile phone inside can produce the laser tube of the laser of different colours.
4. laser projection system according to claim 3, it is characterized in that: described Laser Modulation device also comprises optical filter and closes mating plate, and described laser projections control module control three beams of laser pipe forms beam of laser after producing behind the three beams of laser successively after filtration mating plate and closing mating plate.
5. laser projection system according to claim 1, it is characterized in that: described laser-bounce device comprises interconnective micromotor and deflection film, described micromotor is rotated by described laser-bounce device control module control, and described micromotor is used to control deflection film and rotates around motor shaft.
6. laser projection system according to claim 5 is characterized in that: the slewing area of described deflection film is the 0-180 degree.
7. laser projection system according to claim 1 is characterized in that: described laser projection system is arranged in mobile phone or the flash memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200366756U CN201449511U (en) | 2009-03-05 | 2009-03-05 | Laser projection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200366756U CN201449511U (en) | 2009-03-05 | 2009-03-05 | Laser projection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201449511U true CN201449511U (en) | 2010-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200366756U Expired - Fee Related CN201449511U (en) | 2009-03-05 | 2009-03-05 | Laser projection system |
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| CN (1) | CN201449511U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611802A (en) * | 2012-04-06 | 2012-07-25 | 天津理工大学 | Text laser display system carried on stereoscopic video mobile phone |
| CN105263007A (en) * | 2015-10-22 | 2016-01-20 | 全普光电科技(上海)有限公司 | Electronic device having micro-projection function and internal communication method thereof |
| CN108833629A (en) * | 2018-06-26 | 2018-11-16 | 河南首弘电子科技有限公司 | A kind of laser projection phone and its laser projection mode |
-
2009
- 2009-03-05 CN CN2009200366756U patent/CN201449511U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611802A (en) * | 2012-04-06 | 2012-07-25 | 天津理工大学 | Text laser display system carried on stereoscopic video mobile phone |
| CN105263007A (en) * | 2015-10-22 | 2016-01-20 | 全普光电科技(上海)有限公司 | Electronic device having micro-projection function and internal communication method thereof |
| CN105263007B (en) * | 2015-10-22 | 2017-11-10 | 全普光电科技(上海)有限公司 | Electronic installation and its internal communication method with micro- projecting function |
| CN108833629A (en) * | 2018-06-26 | 2018-11-16 | 河南首弘电子科技有限公司 | A kind of laser projection phone and its laser projection mode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20110305 |