CN1571492A - Portable high precision digital movie and television projector - Google Patents
Portable high precision digital movie and television projector Download PDFInfo
- Publication number
- CN1571492A CN1571492A CN 200410018008 CN200410018008A CN1571492A CN 1571492 A CN1571492 A CN 1571492A CN 200410018008 CN200410018008 CN 200410018008 CN 200410018008 A CN200410018008 A CN 200410018008A CN 1571492 A CN1571492 A CN 1571492A
- Authority
- CN
- China
- Prior art keywords
- unit
- input
- output
- video
- output interface
- 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
Landscapes
- Transforming Electric Information Into Light Information (AREA)
Abstract
The invention relates to a portable high distinct digital video projector that is suited for entertainment field. It includes optical system and electrical system. The output terminal of storage driven unit in the electrical system connects to the input terminal of decode/decrypt unit by CPU control unit. The output terminal of decode/decrypt unit is separately connected to the input terminal of video signal process unit, audio signal process unit and input/output interface unit. The output terminal of video signal process unit is connected to liquid crystal board driven unit; the output terminal of audio signal process unit is connected to the audio output unit of the input/output interface unit; the output terminal unit of input/output interface unit can directly connect to other electric device; the CPU control unit and remote control key-press display unit are joint together to constitute man-machine conversation interface. The CPU control unit controls and associates the operation state of the units. The invention has compact structure, small volume, light weight and has a wide aspects for application.
Description
Technical field
The present invention relates to a kind of digital camera that is used for literature and art entertainment electronics appliances field and broadcast equipment, in particular, relate to a kind of integrated portable high definition digital television projector.
Background technology
The digital camera technology is that development in recent years is promoted an emerging technology of comparatively popularizing comparatively rapidly.The digital camera technology becomes digitlization projection projection technology with traditional film movie projection technological change, have many conventional film motion picture techniques can not have or incomparable advantage and characteristic.The digital camera technology is generally received the great attention and the concern of all circles.
United States Patent (USP) " equipment and method in the embedded movie theatre automated system " (" Apparatus and method for cueing a theater automation system " US PatentPub.No.US2002/01221551A1 in people such as Jose proposition, Pub.Date:Sep.5,2002) in a kind of Digital Theater System has been discussed.Disclosed Digital Theater System is based on the computer architecture system that industrial computer is a main body, can have very strong Video service function.Yet, although this system has possessed the playing function of very strong video display decoding,, in the application that actual video display are play, also must connect other projector equipment, for example, liquid crystal projection apparatus or DLP projector.Obviously, Pei Zhi digital camera is broadcast equipment in the application that actual video display are broadcast like this, the equipment that will exist is scattered, the operation is loaded down with trivial details, it is inconvenient, bulky to use and carry problem such as difficulty, thereby be difficult to be applicable to numerous small-sized movie theatres, the use of public places of entertainment such as Internet bar particularly is difficult to satisfy mobile use with strong popular occasion such as vast rural area, army, industrial and mineral.
Summary of the invention
At the deficiencies in the prior art and defective, an object of the present invention is to provide a kind of integrated portable high definition digital television projector.This integrated portable high definition digital television projector has not only had the general utility functions of liquid crystal color projector, need not to connect any other electronic equipment and just can directly broadcast the function of movie and video programs but also have, thus realized being applicable to compact conformation, volume that video display broadcast little in light weight, easy to use, be easy to carry and the characteristics that need not to be connected miscellaneous equipment.
The present invention is achieved by the following technical solutions, and integrated portable high definition digital television projector of the present invention comprises two big systems: optical system and electricity system.Wherein, optical system comprises: light source, Optical devices, liquid crystal board and lens subassembly.The structure of this optical system is similar to the optical system of conventional liquid crystal projector substantially.The operation principle of optical system: the light that light source produced is radiated on the liquid crystal board by the Optical devices formation directional light of compositions such as optical convergence mirror.Liquid crystal board is subjected to adding the light transmission of its liquid crystal of control break of video electrical signal, thereby can occur on liquid crystal board and the corresponding pattern of vision signal that is driven.Electricity system comprises: liquid crystal board driver element, video signal processing unit, audio signal processing unit, decoding/decrypting device, storage drive unit, CPU control unit, input/output interface unit, remote keying display unit, adjunct unit, ballast high voltage unit and power subsystem.The connected mode of each unit: the storage drive unit is as the data source of movie and television program content, its output is coupled by the input of CPU control unit and decoding/decrypting device, the output of decoding/decrypting device is connected with the input of video signal processing unit with audio signal processing unit and input/output interface unit respectively, the output of video signal processing unit is connecting the liquid crystal board driver element and is directly driving liquid crystal board by this unit, and the output of audio signal processing unit is connecting input/output interface unit sound intermediate frequency output unit, so that export high-quality audio signal by the lead-out terminal of audio output unit to outside audio amplifier public address equipment.The output of input/output interface unit also can direct-connected other electronic equipment (for example, television set), with output video and audio signal.The CPU control unit interconnects with the remote keying display unit and has constituted man-machine dialog interface, and with the operation of implementing the user and the operating state that shows complete machine, the CPU control unit is being controlled each unit, is coordinating the operating state of complete machine.Power subsystem provides the working power of each assembly of elements of complete machine.The ballast high voltage unit provides high voltage source for illuminator.Adjunct unit provides the working power of each annex, as, the working power of fan is provided.
Compare with existing digital camera playback equipment, integrated portable high definition digital television projector according to the present invention has comprised that not only data such as the decoding of existing digital camera playback equipment and deciphering manage function everywhere, and the optical system and the electricity system of liquid crystal color projector have also been comprised, and the data processing function of digital camera and the basic function height of liquid crystal projector are integrated in one, thereby the portable high resolution number of degrees word television projector of formation integral structure compactness.
Distinguishing feature of the present invention is that the data processing function of the high-quality movie and video programs of high definition is combined the integrated portable high definition digital television projector that provides both to be integrated in one with the Projection Display function of conventional color projector.This portable high resolution number of degrees word television projector not only has little in light weight, the easy to use and advantage such as be easy to carry of compact conformation, volume, need not to connect the function that any other electronic equipment just can directly be broadcast movie and video programs but also have.
Integrated portable high definition digital television projector of the present invention, not only have little in light weight, the easy to use and advantage such as be easy to carry of compact conformation, volume, need not to connect the function that any other electronic equipment just can directly be broadcast movie and video programs but also have.It can be widely used in various video display and broadcast the place, and for example, cinema, theatre, cultural palace and Internet bar or the like are particularly suitable for rural area, army or industrial and mineral film projection team and use.
Description of drawings
Fig. 1 is the block diagram of portable high resolution number of degrees word television projector of the present invention;
Embodiment
Below with reference to accompanying drawing preferred embodiment of the present invention being described in further detail, it should be understood that going through of following examples, only is owing to deepen further understanding of the present invention, is not that the present invention is limited in the scope of following examples.
Embodiment 1
As shown in Figure 1,, comprising according to integrated portable high definition digital television projector of the present invention: optical system 1 and electricity system 2, optical system 1 comprises: light source 3, Optical devices 4, liquid crystal board 5 and lens subassembly 6; Electricity system 2 comprises: liquid crystal board driver element 7, video signal processing unit 8, audio signal processing unit 9, decoding/decrypting device 10, storage drive unit 11, CPU control unit 12, input/output interface unit 13, remote keying display unit 14, adjunct unit 15, ballast high voltage unit 16 and power subsystem 17.Wherein, storage drive unit 11 in the electricity system 2, CPU control unit 12, decoding/decrypting device 10, audio signal processing unit 9, input/output interface unit 13, remote keying display unit 14 and adjunct unit 15 are associated components and unit that the present invention distinguishes conventional liquid crystal color projector, and the function of miscellaneous part and unit and performance all are known.Therefore, for simplicity, the discussion of the associated components and the unit of conventional liquid crystal color projector has been omitted in this explanation, focuses on the difference between explanation the present invention and the conventional liquid crystal color projector, and each formant functions of components and characteristic.
CPU control unit 12 comprises single chip microcontroller, extended menory and logic control circuit (not shown), has constituted the control core of whole set equipment.In order to make complete machine except general utility functions with projector, also have controlled function (following will further going through) such as stronger encrypt/decrypt, startup password setting and broadcast authority, preferably adopt 32 single chip microcontroller.For example, the ARM 4510 that has adopted Korea S Samsung to produce in the present embodiment.Equally, also can adopt other similar single chip microcontroller.In the present embodiment, single chip microcontroller (for example, ARM 4510) has constituted control unit with extended menory.Memory comprises: the program's memory space that data space that the RAM memory constitutes and Flash flash memory constitute.In the data space that the RAM memory constitutes, mainly depositing and operating relevant data and other intermediate parameters with the operating state and the user of complete machine.In the program's memory space that Flash constitutes, mainly depositing the initialize routine and the various application program of CPU and each interface circuit.
Storage drive unit 11 has adopted ide interface.This interface can be suitable for hard disk drive to be used, and also can be suitable for CD drive (for example, DVD driver) and use.That is to say, the present invention can hard disk as the storage medium of movie and video programs, also can CD (for example, DVD) as the storage medium of movie and video programs.In general, CD can use as the storage medium of movie and video programs, and still, the memory capacity (normally 4.7G) that is subject to CD at present also is difficult to support the storage of the movie and television program content of higher resolution, therefore, preferably adopt the storage medium of hard disk as program.Compare with CDs such as DVD, the memory capacity of 80G hard disk has reached 17 times of DVD capacity of optical storage; Usually can store with the compression of MPEG-2 technical standard standard and can reach about 3 hours to 7 hours (depending on different compression bit rates) with the high definition digital movie and television program content of encrypting.Therefore the hard disk of 80G is enough to store one one to two data through the high definition movie and television program content of encryption.In the present embodiment, selected the 80G hard disk of ide interface for use.The data of storage drive unit 11 outputs can realize the adaptive code stream adjustment under the control of CPU control unit 12, and export decoding/decrypting device 10 to the data code flow of suitable code stream.
The decipher function that decoding/decrypting device 10 has MPEG-2 high definition decoding function and realizes with ASIC.In the present embodiment, MPEG-2 high definition decoding function can adopt single-chip to realize (for example, ST 7020), and decipher function can adopt the EPLD chip to realize.When receiving the data flow input with suitable code check, decoding/decrypting device 10 at first is decrypted the data code flow of being imported according to the decruption key that CPU control unit 12 is provided, yet the data code flow after the deciphering is decoded again.The decipher function of decoding/decrypting device 10 is to select and set according to user's needs, that is, the user can select and be provided with this decipher function as required.Specifically, CPU control unit 12 at first detects the encrypted state of this program when reading the programme information of broadcast program.Encrypt if detect the programme content of required broadcast, then from programme information, obtain corresponding decruption key, and the deciphering parameter of decoding/decrypting device 10 is set according to this decruption key; Otherwise if do not detect the enciphered message of program, then CPU control unit 12 just no longer is provided with the deciphering parameter of decoding/decoding unit 10, and decoding/decrypting device 10 just no longer has the function of decoding like this.Decoding/decrypting device 10 exportable vision signal and the Hi-Fi audio signals that are suitable for the high-quality high definition (for example, can reach 1920 * 1280) of digital camera broadcast.
Vision signal directly exports video signal processing unit 8 to, and audio signal directly exports audio signal processing unit 9 to.Be similar to conventional liquid crystal color projector, video signal processing unit 8 has mainly comprised colour decoding and synchronizing separator circuit (not shown), with the look decoding and the separated in synchronization of the vision signal that realizes full color.Can be directly inputted into liquid crystal board driver element 7 through the signal after look decoding and the separated in synchronization, to drive liquid crystal board.Video signal processing unit 8 also can have to various S-SYSTEMs (as, PAL, NISC and SECAM) automatic identification and the function of manually setting, and to the adjusting and the corrective action of liquid crystal board, as, the centered level of the contrast of liquid crystal board and the adjusting of brightness and liquid crystal board and the correction of balance.Audio signal processing unit 9 has comprised mainly that audio power amplifies and circuit (not shown) such as isolation, realizes power ascension and isolation to audio signal, and sound equipment sound reinforcement system that can direct external movie theatre is to provide the audio output signal of high tone quality high-fidelity.
Input/output interface unit 13 provides the input/output interface of various Data Input Interfaces and video/audio.In the present embodiment, Data Input Interface comprises: CAN network interface and USB 2.0 interfaces, the download that the user can provide network interface and USB interface to carry out movie and television program content data easily is to upgrade the programme content in the driver hard disk.The input/output interface of video/audio comprises: A/V terminal circuit, it can accept the input of two groups of video/audio signals and the input of one group of S vision signal.The major function of video/audio terminal circuit is to realize the selection control of the input and output of Voice ﹠ Video signal.Providing of these input/output interfaces, integrated portable high definition digital television projector can be upgraded and the exchanging program content very easily, to satisfy the demand of broadcasting of movie and video programs, also can make it have the video of conventional projector and the access function of audio frequency, to satisfy the demand of conventional Projection Display.
Remote keying display unit 14 is made up of remote controller, panel button and LCDs (not shown), and it has constituted interactive interface.Not only can realize the operation of the general utility functions of conventional projector by remote controller and panel button, and also realized the operation of the specific function that video display are play, for example, can realize broadcast, F.F., rewind down that movie and video programs broadcast, suspend, stop and program selection, startup password setting, play function such as authority demonstration.LCDs can show the information of operating state of complete machine and the information such as playlist, playing programs state, playing programs authority and change of secret code state of movie and video programs.
The connected mode of the electricity system of a preferred embodiment of the present invention: the output of storage drive unit 11 is coupled by the input of CPU control unit 12 with decoding/decrypting device 10, the output of decoding/decrypting device 10 is connected with the input of video signal processing unit 8 with audio signal processing unit 8 and input/output interface unit 13 respectively, the output of video signal processing unit 8 is connecting liquid crystal board driver element 7 and is directly driving liquid crystal board by this unit, and the output of audio signal processing unit 9 is connecting input/output interface unit 13, so that export high-quality audio signal by audio output to outside audio amplifier public address equipment.The video output terminals of input/output interface unit 13 can be directly external other electronic equipment (for example, television set and other projector equipment) with outputting video signal.CPU control unit 12 interconnects with remote keying display unit 14 and has constituted man-machine dialog interface, and with the operation of implementing the user and the operating state that shows complete machine, CPU control unit 12 is being controlled each unit, is coordinating the operating state of complete machine.Power subsystem 17 provides the working power of each assembly of elements of complete machine.Ballast high voltage unit 16 provides high voltage source for light source 3 lamps.Adjunct unit 15 provides the working power of each annex, as, the working power of fan (not shown) is provided.
The integrated portable high definition digital television projector of preferred embodiment of the present invention not only has need not to connect under the condition of any external connected electronic video equipment directly broadcasts the specific function of high definition high-quality movie and video programs, but also has the basic function of conventional liquid crystal color projector.That is to say, this portable high resolution number of degrees word television projector can directly be broadcast the high-quality movie and video programs of high definition need not to connect under any condition of any external connected electronic video equipment, also can be used as simultaneously conventional liquid crystal color projector uses, it has the little advantage such as in light weight, easy to use, easy to carry of compact conformation, volume, can be suitable for digital camera uses, can be suitable for small-sized cinema, Internet bar and other public place of entertainment again and use, be specially adapted to more liquid film projection team such as rural area, army and industrial and mining enterprises and use.
Claims (8)
1, a kind of portable high resolution number of degrees word television projector, comprise: optical system (1) and electricity system (2), optical system (1) comprising: light source (3), Optical devices (4), liquid crystal board (5) and lens subassembly (6), it is characterized in that, described electricity system (2) comprising: liquid crystal board driver element (7), video signal processing unit (8), audio signal processing unit (9), decoding/decrypting device (10), storage drive unit (11), CPU control unit (12), input/output interface unit (13), remote keying display unit (14) and adjunct unit (15), ballast high voltage unit (16), power subsystem (17), the connected mode of each unit of electricity system (2): storage drive unit (11) are as the data source of movie and television program content, its output is coupled by the input of CPU control unit (12) with decoding/decrypting device (10), the output of decoding/decrypting device (10) is connected with the input of video signal processing unit (8) with audio signal processing unit (9) and input/output interface unit (13) respectively, the output of video signal processing unit (8) is connecting liquid crystal board driver element (7) and is directly driving liquid crystal board by this unit (7), and the output of audio signal processing unit (9) is connecting input/output interface unit (13) sound intermediate frequency output unit, the output of input/output interface unit (13) or direct-connected other electronic equipment, with output video and audio signal, CPU control unit (12) interconnects with remote keying display unit (14) and has constituted man-machine dialog interface, the operating state of each unit is controlled and coordinated to CPU control unit (12), power subsystem (17) provides the working power of each assembly of elements of complete machine, ballast high voltage unit (16) provides high voltage source for light source (3), and adjunct unit (15) provides the working power of each annex.
2. portable high resolution number of degrees word television projector as claimed in claim 1, it is characterized in that, described decoding/decrypting device (10) has MPEG-2 high definition decoding function, can export the vision signal and the Hi-Fi audio signal of the high-quality high definition that is suitable for the digital camera broadcast, decoding/decrypting device (10) realizes decipher function with ASIC, according to programme information the decruption key parameter is set.
3. portable high resolution number of degrees word television projector as claimed in claim 1 is characterized in that, described storage drive unit (11) adopts ide interface, comprises CD or hard disk drive.
4. portable high resolution number of degrees word television projector as claimed in claim 3 is characterized in that described hard disk or CD drive are external or built-in.
5. portable high resolution number of degrees word television projector as claimed in claim 1 is characterized in that, described CPU control unit (12) adopts single chip microcontroller, has the input data bitstream of realization stream adaptive code flow rate and adjusts function.
6. portable high resolution number of degrees word television projector as claimed in claim 1 is characterized in that, described audio signal processing unit (9) comprises that also audio power amplifies and spacing output circuit.
7. portable high resolution number of degrees word television projector as claimed in claim 1, it is characterized in that, described input/output interface unit (13) has the input/output interface of CAN network interface and USB 2.0 interface data input interfaces and video/audio, in addition, input/output interface unit (13) have the input/output interface of video/audio of the input of the input of two groups of video/audio signals and one group of S vision signal.
8. portable high resolution number of degrees word television projector as claimed in claim 1, it is characterized in that, described remote keying display unit (14) comprises remote controller, panel button and LCDs, wherein, remote controller and panel button can realize broadcast, F.F., rewind down that movie and video programs broadcast, suspend, stop and program is selected, startup password is provided with operation, and LCDs can show the demonstration of playlist, playing programs state, playing programs authority and change of secret code state of information, the movie and video programs of complete machine operating state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410018008 CN1571492A (en) | 2004-04-29 | 2004-04-29 | Portable high precision digital movie and television projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410018008 CN1571492A (en) | 2004-04-29 | 2004-04-29 | Portable high precision digital movie and television projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1571492A true CN1571492A (en) | 2005-01-26 |
Family
ID=34479290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410018008 Pending CN1571492A (en) | 2004-04-29 | 2004-04-29 | Portable high precision digital movie and television projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1571492A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8323041B2 (en) | 2011-02-17 | 2012-12-04 | Citizen Finetech Miyota Co., Ltd. | Connectors for connecting a projector module to an application module |
-
2004
- 2004-04-29 CN CN 200410018008 patent/CN1571492A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8323041B2 (en) | 2011-02-17 | 2012-12-04 | Citizen Finetech Miyota Co., Ltd. | Connectors for connecting a projector module to an application module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9402100B2 (en) | Integrated multimedia signal processing system using centralized processing of signals | |
| US9237301B2 (en) | Integrated audio video signal processing system using centralized processing of signals | |
| US7561935B2 (en) | Integrated multimedia signal processing system using centralized processing of signals | |
| CN1205816C (en) | Appamtus and method for decoding digital image and audio signals | |
| CN1812524A (en) | Integrated multimedia signal processing system using centralized processing of signals | |
| CN103905668A (en) | Telephone set with video function and video meeting method thereof | |
| CN1934858A (en) | Changing a playback speed for video presentation recorded in a modified film format | |
| CN1571492A (en) | Portable high precision digital movie and television projector | |
| US20080071950A1 (en) | Thin client implementation based on redirection of virtual i/o devices | |
| CN201032515Y (en) | Intelligent controller of portable digital movie projection integrated equipment | |
| US20120251069A1 (en) | Audio enhancement based on video and/or other characteristics | |
| CN108419182A (en) | A kind of effect device and adjustment method | |
| KR20000036410A (en) | A multi network vod system for home theater and a method for providing the same | |
| CN1331343C (en) | Conversion device and method for public interfacing digital television CI to IEEE-1394 interface | |
| KR200318693Y1 (en) | VOA disc and apparatus for driving the same | |
| CN201886769U (en) | 3D (three dimensional) blue light DVD player | |
| CN201083956Y (en) | Portable digital movies image forming apparatus | |
| CN101079867A (en) | A P2P stream media playback device | |
| KR20040087001A (en) | VOA disc and apparatus for driving the same and method |
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 |