CN201210717Y - Projector - Google Patents
Projector Download PDFInfo
- Publication number
- CN201210717Y CN201210717Y CNU2008200807383U CN200820080738U CN201210717Y CN 201210717 Y CN201210717 Y CN 201210717Y CN U2008200807383 U CNU2008200807383 U CN U2008200807383U CN 200820080738 U CN200820080738 U CN 200820080738U CN 201210717 Y CN201210717 Y CN 201210717Y
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- China
- Prior art keywords
- projecting apparatus
- signal
- receiving device
- signal receiving
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- 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.)
- Expired - Lifetime
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The utility model discloses a projector capable of projecting the mobile television program content. The projector comprises an image displaying device, further comprising a signal receiving device for receiving the mobile television radio-frequency signal; a signal converting device connected with the signal receiving device and the image displaying device for converting the mobile television radio-frequency signal received by the signal receiving device into a video signal and projecting the television program image according to the image displaying device. When the projector projects the television program content, the image displaying range is large, which satisfies multiple peoples to view the program and clearly play the television program detail content.
Description
Technical field
The utility model relates to a kind of electronic product, relates in particular to a kind of projecting apparatus.
Background technology
Projecting apparatus is a kind of projection arrangement that is used for amplifying display image.Be widely used in the meeting room demonstration at present and on large-screen, watched film by connecting equipment such as DVD player in the family.At the cinema, begun to replace the digital cinema projector of old cinefilm too, be used as towards the screen of hard disk numerical data.Projecting apparatus produces image with irradiate light earlier to image display device, carry out projection by camera lens then.
The structure of mobile TV terminal as shown in Figure 1 at present, comprise antenna 11, tuner (TUNER) 12, channel demodulation chip 13, Serial Peripheral Interface (SPI) (SPI) 14, senior reduced instruction set (AdvancedRISC Machines, be abbreviated as ARM) processor 15, display screen 16 and loudspeaker 17, wherein:
Antenna 11, the radiofrequency signal (for example China Mobile multimedia broadcasting CMMB agreement) of reception mobile multimedia agreement, radiofrequency signal are sent into tuner 12 after mating front network through simulation;
Tuner 12 links to each other with antenna 11, and the radiofrequency signal that antenna 11 is received is converted to low frequency baseband signal, sends into channel demodulation chip 13;
Channel demodulation chip 13 such as IF101 etc., links to each other with tuner 12, and the low frequency baseband signal that tuner 12 is sent into is carried out channel-decoding;
SPI interface 14 links to each other with channel demodulation chip 13, and the dateout that channel demodulation chip 13 is carried out behind the channel-decoding sends arm processor 15 to;
Arm processor 15 links to each other with SPI interface 14, and vision signal is sent to display screen 16, and audio signal is sent to loudspeaker 17;
Display screen 16 links to each other broadcast video signal with arm processor 15;
Loudspeaker 17 link to each other playing audio signal with arm processor 15; Need to prove that the audio signal that arm processor 15 is sent need arrive loudspeaker 17 again behind codec (codec), codec is independent of arm processor 15 and is provided with, and also can be to be integrated in the arm processor 15.
Though present mobile TV is easy to carry, but be limited to screen size, the detail content that can't more clearly represent TV program such as the athletic technical movements of various sports casts etc., can't realize that also many people share the content play on the same mobile TV screen etc.
The utility model content
Technical problem to be solved in the utility model is to be a kind of projecting apparatus need be provided, and can throw the TV program content.
In order to solve the problems of the technologies described above, the utility model provides a kind of projecting apparatus, comprises image display device, also comprises:
Signal receiving device is used to receive the mobile TV radiofrequency signal;
Chromacoder links to each other with described signal receiving device and image display device, and the mobile TV radiofrequency signal that described signal receiving device is received is converted to vision signal, by described image display device projection television program image.
In the aforesaid projecting apparatus, the mobile TV radiofrequency signal that described chromacoder can further receive described signal receiving device is converted to audio signal.
In the aforesaid projecting apparatus, described signal receiving device can comprise antenna.
In the aforesaid projecting apparatus, described chromacoder can comprise tuner, channel demodulation chip, Serial Peripheral Interface (SPI) and microprocessor, wherein:
Described tuner links to each other with described signal receiving device, and the radiofrequency signal that described signal receiving device is sent is converted to low frequency baseband signal, sends into described channel demodulation chip;
Described channel demodulation chip links to each other with described tuner, and the low frequency baseband signal that described tuner is sent here is carried out channel-decoding;
Described Serial Peripheral Interface (SPI) links to each other with described channel demodulation chip, sends the data behind the described channel demodulation chip channel-decoding to described microprocessor;
Described microprocessor links to each other with described Serial Peripheral Interface (SPI) and described image display device, and the data transaction that described Serial Peripheral Interface (SPI) is transmitted becomes vision signal to send to described image display device.
Further, described channel demodulation chip can comprise the IF101 chip.
Further, described projecting apparatus microprocessor can comprise senior reduced instruction set processor, C51 processor or not have inner interlocking pipelining-stage processor.
Aforesaid projecting apparatus may further include playback set, and described chromacoder becomes audio signal to send to described playback set the data transaction that described Serial Peripheral Interface (SPI) transmits.
Further, described playback set can comprise loudspeaker or ANTENN AUDIO reflector.
In the aforesaid projecting apparatus, described projecting apparatus can comprise the flashlight type projecting apparatus.
In the aforesaid projecting apparatus, described signal receiving device and described chromacoder can be separated with described image display device, link to each other by interactive interface or interactive interface and patchcord.
The utility model is integrated into the signal receiving device and the chromacoder of mobile TV in the projecting apparatus, perhaps on projecting apparatus and portable signal processing unit such as mobile phone terminal etc., increase in order to interconnective interactive interface, as long as in the zone that radiofrequency signal covers, can watch TV program whenever and wherever possible easily, and because the indication range of image is much larger than indication ranges of the prior art such as mobile phone screens, therefore can many people watch content of TV program simultaneously, and can clearly represent the details in the TV programme.Select for use the small and exquisite portable flashlight type projecting apparatus of volume to come integrated signal receiving device and chromacoder, more meet the mobility and the portable demand of mobile TV.
Description of drawings
Fig. 1 is the structural representation of existing mobile TV terminal.
Fig. 2 is the utility model embodiment schematic diagram.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 2 shows an embodiment of the present utility model, comprises image display device 21, also comprises antenna 22, tuner (TUNER) 23, channel demodulation chip 24, SPI interface 25, microprocessor MCU26 and playback set 27, wherein:
Antenna 22 is used to receive the radiofrequency signal of Mobile Multimedia Broadcasting agreement, and such as the radiofrequency signal of CMMB agreement etc., radiofrequency signal is sent into tuner 23 after through simulation coupling front network;
Tuner 23 links to each other with antenna 22, and the radiofrequency signal that antenna 22 is received is converted to low frequency baseband signal, sends into channel demodulation chip 24;
Channel demodulation chip 24 such as being applicable to CMMB protocol of I F101 chip etc., links to each other with tuner 23, and the low frequency baseband signal that tuner 23 is sent into is carried out channel-decoding;
SPI interface 25 links to each other with channel demodulation chip 24, sends the data behind channel demodulation chip 24 channel-decodings to microprocessor 26;
Microprocessor 26 links to each other with SPI interface 25, and the data transaction that SPI interface 25 is transmitted becomes vision signal and audio signal, respectively vision signal is sent to image display device 21, and audio signal is sent to playback set 27;
Image display device 21 links to each other with microprocessor 26, projects the image of TV program content by camera lens according to the vision signal of microprocessor 26 transmissions;
Playback set 27 links to each other playing audio signal with microprocessor 26.
Antenna 22 is the signal receiving device of mobile TV, tuner 23, channel demodulation chip 24, SPI interface 25 and microprocessor 26 are formed the chromacoder of mobile TV, wherein microprocessor 26 can be an arm processor, it also can be the microprocessor of other types such as C51 processor, no inner interlocking pipelining-stage (Microprocessorwithout interlocked piped stages is abbreviated as MIPS) processor.In addition, playback set 27 is typical for loudspeaker, can certainly be other devices that can play sound according to audio signal, such as the audio wireless reflector that audio signal is carried out wireless transmission, with loudspeaker of audio signal being wirelessly sent to peripheral wireless receiving etc.The utility model is integrated into the signal receiving device and the chromacoder of mobile TV in the projecting apparatus, can be with TV program by the image display device on the projecting apparatus, project TV programme on the objects such as screen, wall by camera lens, can appreciate TV program simultaneously to satisfy more spectators, simultaneously can the clear detail content of seeing clearly in the TV program.
Early stage projecting apparatus is usually used in occasions such as meeting, and perhaps lifting is perhaps put, and weight and volume not too is fit to carry.For the portability that keeps mobile TV to carry, can select the signal receiving device and the chromacoder of mobile TV are integrated in the flashlight type projecting apparatus.Flashlight type projecting apparatus volume is small and exquisite, is convenient for carrying, and meets very much the mobility and the portable characteristics of mobile TV.
In addition, also above-mentioned signal receiving device and chromacoder can be designed to be independent of the portable signal processing unit of projecting apparatus body, on projecting apparatus and portable signal processing unit, increase interactive interface, when needs pass through projector projects mobile TV video image, by patchcord and interactive interface projecting apparatus is connected with the portable signal processing unit to improve signal reception, perhaps directly by interactive interface projecting apparatus is connected with the portable signal processing unit, portable signal processing unit wherein is more typically such as mobile phone terminal.The radiofrequency signal of the Mobile Multimedia Broadcasting agreement that the portable signal processing unit is received outputs to vision signal on the projecting apparatus by interactive interface, by the projector projects video image through after changing.By corresponding interactive interface is set respectively on projecting apparatus and portable signal processing unit, the self-contained portable signal processing unit of user can dock with projecting apparatus easily.Further, this interactive interface is except can transmission video signal, the audio signal of Mobile Multimedia Broadcasting agreement also can also be transferred on the projecting apparatus by this interactive interface, if be integrated with playback set on the projecting apparatus, then play sound, to match with the video image that is throwed by this playback set.
Though the disclosed execution mode of the utility model as above, the execution mode that described content just adopts for the ease of understanding the utility model is not in order to limit the utility model.Technical staff under any the utility model in the technical field; under the prerequisite that does not break away from the disclosed spirit and scope of the utility model; can do any modification and variation what implement in form and on the details; but scope of patent protection of the present utility model still must be as the criterion with the scope that appending claims was defined.
Claims (10)
1, a kind of projecting apparatus comprises image display device, it is characterized in that, also comprises:
Signal receiving device is used to receive the mobile TV radiofrequency signal;
Chromacoder links to each other with described signal receiving device and image display device, and the mobile TV radiofrequency signal that described signal receiving device is received is converted to vision signal, by described image display device projection television program image.
2, projecting apparatus as claimed in claim 1 is characterized in that, described chromacoder further is converted to audio signal with the mobile TV radiofrequency signal that described signal receiving device receives.
3, projecting apparatus as claimed in claim 1 or 2 is characterized in that, described signal receiving device comprises antenna.
4, projecting apparatus as claimed in claim 1 is characterized in that, described chromacoder comprises tuner, channel demodulation chip, Serial Peripheral Interface (SPI) and microprocessor, wherein:
Described tuner links to each other with described signal receiving device, and the radiofrequency signal that described signal receiving device is sent is converted to low frequency baseband signal, sends into described channel demodulation chip;
Described channel demodulation chip links to each other with described tuner, and the low frequency baseband signal that described tuner is sent here is carried out channel-decoding;
Described Serial Peripheral Interface (SPI) links to each other with described channel demodulation chip, sends the data behind the described channel demodulation chip channel-decoding to described microprocessor;
Described microprocessor links to each other with described Serial Peripheral Interface (SPI) and described image display device, and the data transaction that described Serial Peripheral Interface (SPI) is transmitted becomes vision signal to send to described image display device.
5, projecting apparatus as claimed in claim 4 is characterized in that, described channel demodulation chip comprises the IF101 chip.
6, projecting apparatus as claimed in claim 4 is characterized in that, described projecting apparatus microprocessor comprises senior reduced instruction set processor, C51 processor or do not have inner interlocking pipelining-stage processor.
7, projecting apparatus as claimed in claim 4 is characterized in that, described projecting apparatus further comprises playback set, and described chromacoder becomes audio signal to send to described playback set the data transaction that described Serial Peripheral Interface (SPI) transmits.
8, projecting apparatus as claimed in claim 7 is characterized in that, described playback set comprises loudspeaker or ANTENN AUDIO reflector.
9, projecting apparatus as claimed in claim 1 or 2 is characterized in that, described projecting apparatus comprises the flashlight type projecting apparatus.
10, projecting apparatus as claimed in claim 1 is characterized in that, described signal receiving device and described chromacoder are separated with described image display device, links to each other by interactive interface or interactive interface and patchcord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200807383U CN201210717Y (en) | 2008-05-21 | 2008-05-21 | Projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200807383U CN201210717Y (en) | 2008-05-21 | 2008-05-21 | Projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201210717Y true CN201210717Y (en) | 2009-03-18 |
Family
ID=40481452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200807383U Expired - Lifetime CN201210717Y (en) | 2008-05-21 | 2008-05-21 | Projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201210717Y (en) |
-
2008
- 2008-05-21 CN CNU2008200807383U patent/CN201210717Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150925 Address after: 100080, Beijing, Zhongguancun Haidian District Street 11, 100 million world wealth center, block A, 12 Patentee after: BEIJING BOXIN SHITONG TECHNOLOGY CO., LTD. Address before: 100084, No. 803, building A, Tsinghua Science and Technology Park, No. 8, Zhongguancun East Road, building 1, Haidian District, Beijing Patentee before: Beijing Chuangyi Vision Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090318 |