CN200950200Y - Multimedia projection device - Google Patents
Multimedia projection device Download PDFInfo
- Publication number
- CN200950200Y CN200950200Y CN 200620117854 CN200620117854U CN200950200Y CN 200950200 Y CN200950200 Y CN 200950200Y CN 200620117854 CN200620117854 CN 200620117854 CN 200620117854 U CN200620117854 U CN 200620117854U CN 200950200 Y CN200950200 Y CN 200950200Y
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- interface
- module
- signal
- multimedia projector
- dvb
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Abstract
The utility model discloses a media projector which is not only capable to receive signals from an analog signal interface, but also capable to receive data decoding from the digital signal interface, and play videos and/or audios. The media projector can be connected to the storage or the backup power supply and be modularized. The media projector can also play and achieve three-dimensional effects. Safety protection is provided on the internal multi-media signal transmission, a watermark symbol can be set on the images during projection output. Each media project adopts an exclusive and different watermark symbol. And a mouse or wireless mouse can be used as a remote controller, and the application of sound-control can also be achieved.
Description
Technical field
The utility model relates to a kind of multimedia projector, decoding capability band back-up source is especially arranged and support the multimedia projector of mouse as telepilot.
Background technology
Common projector can only be play the signal of miscellaneous equipment decoding back output, does not possess the multimedia ability of autonomous processing, can not connect External memory equipments such as USB flash disk, storage card, hard disk, CD.Can not received television signal, outage also can cause bulb to damage to equipment.
Summary of the invention
Multimedia projector of the present utility model overcomes the shortcoming that conventional projector can not independently be handled multi-medium data, decodes from USB interface and/or memory card interface reception data, carries out video and/or audio and plays.And can select to carry out Play Control by remote control.Described memory card interface can read one or more of storage card that various digital equipments use.
Described multimedia projector comprises that also receiving data from following digital signal interface carries out the video and/or audio broadcast:
(1) the DVB series interfaces (DVB_T, DVB_C, DVB_S);
(2) 1394 interfaces;
(3) network interface;
(4) digital radio interface;
(5) DVI interface;
(6) HDMI interface;
(7) digital audio interface;
(8) SDI interface.
Wherein connect the DVB_C interface and can be equivalent to the projector of Digital Television type from cable television peek word signal; Connecting the DVB_T interface can be from the received terrestrial digital broadcasting received signal, and being equivalent in the past, TV passes through antenna receiving signal; Connecting the DVB_S interface can obtain signal from satellite, is equivalent to the projector of satellite television type.Connect the DVB series interfaces, also need the IC-card interface of assisting usually, carry out security control by middleware; Connecting 1394 interfaces can fetch data from digital image apparatus such as video cameras; Connect network interface and can connect the mutual LAN (Local Area Network) in internet by Ethernet; Connect digital wave point and can connect wireless network, infrared equipment, bluetooth equipment, mobile communication network and other digital radio devices, comprise receiving the digital remote control signal; Connect DVI interface or HDMI interface and can connect quality digital uncompressed signal output device; Connect digital audio interface and can connect the high-quality digital audio output device; Connect the broadcasting and TV equipment that the SDI interface can connect the output of high-quality serial digital.
Described multimedia projector except that can also receiving data by analog signal interface from digital signal interface receives data, carries out video and/or audio and plays.
Described analog signal interface comprises with one or more of lower interface:
(1) simulating signal tuner receives ground simulation TV signal or analog catv signal;
(2) composite video interface;
(3) color difference components interface;
(4) VGA and compatibility interface (computer equipment common interfaces);
(5) S terminal interface;
(6) D terminal interface (Japanese playback equipment interface);
(7) SCART interface (European playback equipment interface).
(8) artificial antenna interface (as ANTENN AUDIO transmitting-receiving, remote signal transmitting-receiving);
(9) analog audio interface;
(10) recording access (by the sound of built-in microphone direct recording outside).
Wherein connection mode analog signal tuner is equivalent to the projector of general television set type; Connection composite video, color difference components, VGA, S terminal are equivalent to the general projectors function; Connecting the D terminal interface is equivalent to connect Japanese playback equipment; Connecting the SCART interface is equivalent to connect European playback equipment; Connect the simulation wave point and can connect wireless microphone, receive broadcast station signal and receive mimicked remote control signals; Connect analog audio interface and be equivalent to power amplifier, also can do wireless forwarding; Connect recording access and can write down external voice.
Described multimedia projector can be play CD content by built-in CD-ROM drive or external CD-ROM drive.
Described multimedia projector is by built-in hard disk or external hard drive play content.
Described multimedia projector by the signal of record analog signaling interface or digital signal interface, is stored on the built-in hard disk or external hard drive, can carry out the content that playback has been recorded.
Described multimedia projector carries out power-off protection by built-in or external backup battery.
Described multimedia projector is by the modular implementation corresponding function.Realize corresponding function by inserting certain functional module.Module comprises following one or more:
(1) CD-ROM module;
(2) hard disc module;
(3) 1394 interface modules;
(4) usb interface module;
(5) Network Interface Module;
(6) wireless network interface modules;
(7) DVB_C interface module;
(8) DVB_T interface module;
(9) DVB_S interface module;
(10) IC-card interface module;
(11) artificial antenna interface module (as wireless Karaoke reception or ANTENN AUDIO transmitting-receiving);
(12) the external radio audio amplifier module of supporting radio interface module;
(13) back-up source module;
(14) SDI interface module;
(15) joystick interface module;
(16) acoustic control module.
Described multimedia projector uses the module that comprises intelligent card function to realize the Play Control of safety.Protection also safe in utilization in the inner multi-media signal transmission.When also can being set, projection output produces watermark symbol at the picture privileged site.Every multimedia projector uses unique mutually different watermark symbol.Can review the source when like this copy right piracy taking place.Watermark symbol is divided into dominance and non-dominance, the dominance watermark symbol can significantly be seen logos or numbering sign, is the means of expressing the projection sign, and non-dominance watermark is some color lumps clocklike, on picture, can not discover, can manifest the pattern sign but handle by special illiteracy plate.This watermark that just can see by any special measures is to trace one of pirate means.Because watermark adopts graphical means, itself be the part of picture, no matter how to duplicate, or the transformation of ownership all can't eliminate, be that the conventional digital watermark is incomparable.
Described multimedia projector can be supported mouse and/or wireless mouse, and this is more effective than the laser pen, can also be as the telepilot of multimedia projector, and control setting and program navigating function.Support mouse or wireless mouse might not need the such complicated hardware device of computing machine, just can support by supporting mouse circuit interface and host-host protocol.Possessing under the USB interface prerequisite, supporting the HID agreement also can support the Wireless USB mouse of USB mouse and use HID agreement.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model.
Embodiment
Multimedia projector of the present utility model is made up of filter element 1, display unit 2, display driver unit 3, graphics processing unit 4, control decoding unit 5, power control unit 7, safety function module 8, digital signal input block 9, simulating signal input block 10, USB interface and/or memory card interface 11, built-in CD drive and/or external CD-ROM driver interface 12, built-in hard disk and/or external hard drive interface 13 and modular interface 14 as described in Figure 1.
Wherein filter element 1 provides one or more in focusing, amplification, colour filter, the polarization function; Cooperate second filter element can realize three-dimensional image effect by complementary colors colour filter or polarization manipulation;
Display unit 2 shows picture signal; Cooperate second display unit to backup each other, strengthen serviceable life, or co-operation raising brightness, or the realization three-dimensional image effect of working in coordination;
Display driver unit 3 drives display unit 2 and carries out the picture signal demonstration;
Graphics processing unit 4 converts decoded digital picture or analog image to signal that display driver unit 3 can receive, and the function of graphics processing unit 4 also can merge in the control decoding unit 5;
Control decoding unit 5 is main control units, being responsible for receiving the outside signal of importing decodes or demodulation, be reduced into the signal that graphics processing unit 4 or display driver unit 3 can receive, the Data Source of control decoding unit 5 is digital signal input blocks 9, simulating signal input block 10, USB interface and/or memory card interface 11, built-in CD drive and/or external CD-ROM driver interface 12, data or signal that built-in hard disk and/or external hard drive interface 13 and modular interface 14 are sent into, for data that security control is arranged and signal, also need the cooperation of safety function module 8, control decoding unit 5 is realized by a multimedia SOC usually;
Power control unit 7 provides integral device needed various power supply signals, when being equipped with power down reserve battery 6, externally under the situation of power supply power-fail, still provides power supply to supply with, and ensures that display unit 2 can not have fan cooled to damage owing to overheated;
Safety function module 8 is realized the Play Control of safety producing graphical watermark symbol when projection output also can be set on picture by the module of using smart card or comprising intelligent card function.Every multimedia projector uses unique mutually different watermark symbol.Can review the source when like this copy right piracy taking place.Watermark symbol is divided into dominance and non-dominance, the dominance watermark symbol can significantly be seen logos or numbering sign, be the means of expressing the projection sign, non-dominance watermark is some color lumps clocklike, on picture, can not discover, but by any special measures or use to cover plate and handle and can manifest the pattern sign.This watermark that just can see by any special measures is to trace one of pirate means.Because watermark adopts graphical means, itself be the part of picture, no matter how to duplicate, or the transformation of ownership all can't eliminate, be replenishing of conventional digital watermark.Digital watermarking is used to prevent that digital signal from directly copying, the graphical watermark image reproduction after the output that is used to prevent to decode;
Digital signal input block 9 provides the interface of digital signal access, comprises in received terrestrial digital broadcasting DVB_T, cabled digital broadcasting DVB_C, satellite digital broadcasting DVB_S, 1394 fire-wire interfaces, Ethernet interface, digital radio interface, DVI digital visual interface, HDMI digital multimedia interface, digital audio interface, the SDI interface one or more;
The interface that simulating signal input block 10 provides simulating signal to insert, comprise the tuner that receives ground simulation TV signal or analog catv signal, composite video interface, the color difference components interface, different resolution interface in the VGA series is (typical in SVGA, XGA, SXGA, QVGA), the S terminal interface, the D terminal interface that Japan's playback equipment uses, the SCART interface that the Europe playback equipment uses, the artificial antenna interface of ANTENN AUDIO transmitting-receiving and remote signal transmitting-receiving usefulness, analog audio interface, the recording access of the sound by built-in microphone direct recording outside;
USB interface and/or memory card interface 11 provide the interface of memory devices such as inserting storage card, USB flash disk, USB portable hard drive, by the multimedia file of control decoding unit 5 in can decode stored equipment, USB interface also provides the possibility that other multiple USB device inserts in addition, and the cooperation by drive software can realize various functions flexibly;
Built-in CD drive and/or external CD-ROM driver interface 12 provide the interface that contains servo standard CD-ROM drive or do not contain the access of servo naked CD-ROM drive, when control decoding unit 5 comprises servo function, do not contain servo naked CD-ROM drive but link cost is lower, CD-ROM drive is delivered to control decoding unit 5 to the data in the CD and is decoded and navigation processing;
Built-in hard disk and/or external hard drive interface 13 provide the access interface of hard disk, and hard-disk interface is IDE or SATA, make hard disk commonly used all can connect; Data in the hard disk are delivered to control decoding unit 5 and are decoded and navigation processing;
Modular interface 14 is provided under the prerequisite that integral device do not possess complex interface (can save the initial purchase cost like this, need to purchase again corresponding module later on), the interface that inserts by module is provided, and attachable module comprises CD-ROM module, hard disc module, 1394 interface modules, usb interface module, Network Interface Module, wireless network interface modules, the DVB_C interface module, the DVB_T interface module, the DVB_S interface module, the IC-card interface module, artificial antenna interface module (as wireless Karaoke reception or ANTENN AUDIO transmitting-receiving), the external radio audio amplifier module of supporting radio interface module, the back-up source module, the SDI interface module, the joystick interface module, the acoustic control module.
Below all be the application performance after the multimedia projector combination:
Can realize the application of safe satellite motion-picture projection by the combination said units, upgrade the multimedia file on the hard disk that described projection arrangement connects via satellite, these files are stored with encrypted form, report error situation by telephone wire or broadband access network to service centre for the program data of downloading is problematic, so that the part of retransmits erroneous; Each legal authorization information that needs on the authenticating security functional module 8 or on the hard disk of playing is perhaps obtained the authorization in real time by telephone wire or broadband access network or is downloaded authorization message.Produce watermark symbol at the picture privileged site during projection output.Every projection arrangement uses unique mutually different watermark symbol.Can review the source when like this copy right piracy taking place.
Can also realize that by the combination said units safe broadband motion-picture projection uses, upgrade multimedia file on the hard disk that described projection arrangement connects by the broadband, these files are stored with encrypted form; Each legal authorization information that needs on authenticating security functional module 8 or the hard disk of playing is perhaps obtained the authorization by network real-time or is downloaded authorization message.Network transfer method removes and adopts normal centralized servers access module, also can adopt controlled transmission method end to end.Also provide data to other projector when being every projector data download, all transmission are all carried out under the management of management server.Produce watermark symbol at the picture privileged site during projection output.Every projection arrangement uses unique mutually different watermark symbol.
Can also realize the drive-in cinema projection application by the combination said units, play movie and video programs by built-in or external hard disk or CD-ROM drive, video-projection is to giant-screen, and audio frequency sends with wireless mode, is convenient to automobile or wireless headset and receives.
Can also realize the well heater projection application by the combination said units, outside by the heat of projection arrangement is drawn out to as thermal source, can add multiple article such as hot water, food.
Can also realize the stereoprojection application by the combination said units, by simultaneously image being delivered to two camera lenses, two camera lenses image with two kinds each other the mode of the color filter colour filter of complementary colors emit, some skew is arranged between two kinds of images, the image that is equivalent to two width of cloth process complementary colors filter overlaps with the certain space offset, the user puts on complementary goggles with color filter just can see stereoeffect, and any film can be seen stereoeffect.Also can be by the form of logical polaroid or optical fractionation, the two-way light source is worked simultaneously, sees stereoeffect by the polarising glass of correspondence or the glasses of synchronous switching right and left eye.Or do not intersect between the image launched of two camera lenses, by optical instrument the two-way image is delivered to different glasses respectively and produce stereoeffect (can realize stereoeffects by two different eyeglasses of the trapezoidal change direction of thickness) as two images arranging up and down.
Can also realize the acoustic control projection application by the combination said units.
Claims (10)
1, a kind of multimedia projector, the structure that possesses USB interface and/or memory card interface can receive data and decode, and carries out video and/or audio and plays, and possess the structure that can carry out Play Control by remote control; Described memory card interface structure can read one or more of storage card that various digital equipments use.
2,, also possess the structure reception data that connect in the following digital signal interface and carry out the video and/or audio broadcast according to the multimedia projector described in the claim 1:
(1) the DVB series interfaces (DVB_T, DVB_C, DVB_S);
(2) 1394 interfaces;
(3) network interface;
(4) digital radio interface;
(5) DVI interface;
(6) HDMI interface;
(7) digital audio interface;
(8) SDI interface.
3, according to the multimedia projector described in the claim 1, receive the data except that possessing the digital signal interface structure, also possess the analog signal interface structure and receive data, carry out video and/or audio and play;
Described analog signal interface structure comprises with one or more of lower interface:
(1) simulating signal tuner receives ground simulation TV signal or analog catv signal;
(2) composite video interface;
(3) color difference components interface;
(4) VGA and compatibility interface (computer equipment common interfaces);
(5) S terminal interface;
(6) D terminal interface (Japanese playback equipment interface);
(7) SCART interface (European playback equipment interface);
(8) artificial antenna interface (as ANTENN AUDIO transmitting-receiving, remote signal transmitting-receiving, wireless video receiving);
(9) analog audio interface;
(10) recording access possesses the structure of built-in microphone direct recording external voice.
4, according to the multimedia projector described in the claim 1, the structure that possesses built-in CD-ROM structure or connect external CD-ROM drive can be play CD content.
5,, possesses the structure play content of built-in hard disk structure or connection external hard drive according to the multimedia projector described in the claim 1.
6, according to the multimedia projector described in the claim 1, possesses the analog signal interface structure or the digital signal interface structure is carried out recording signal, the structure that also possesses built-in hard disk structure or connection external hard drive, on built-in hard disk or external hard drive, can carry out the content that playback has been recorded to the signal storage of recording.
7,, possesses built-in backup battery structure or external backup battery structure is carried out power-off protection according to the multimedia projector described in the claim 1.
8, according to the multimedia projector described in the claim 1, possess modular construction and realize corresponding function, realize corresponding function by inserting certain functional module, module comprises following one or more:
(1) CD-ROM module;
(2) hard disc module;
(3) 1394 interface modules;
(4) usb interface module;
(5) Network Interface Module;
(6) wireless network interface modules;
(7) DVB_C interface module;
(8) DVB_T interface module;
(9) DVB-S interface module;
(10) IC-card interface module;
(11) artificial antenna interface module is carried out the transmitting-receiving of wireless Karaoke reception or ANTENN AUDIO;
(12) the external radio audio amplifier module of supporting radio interface module;
(13) back-up source module;
(14) SDI interface module;
(15) joystick interface module;
(16) acoustic control module.
9, according to the multimedia projector described in the claim 1; possesses the security control that the structure that connects the module that comprises intelligent card function realizes the broadcast authority; protection also safe in utilization in inner multi-media signal transmission; produce watermark symbol at the picture privileged site when projection output also can be set, every multimedia projector possesses the structure of using unique mutually different watermark symbol.
10, according to arbitrary described multimedia projector in the claim 1 to 9, possess the structure that can support mouse and/or wireless mouse, can also be as the broadcast telepilot of multimedia projector, control setting and program navigating function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620117854 CN200950200Y (en) | 2006-05-29 | 2006-05-29 | Multimedia projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620117854 CN200950200Y (en) | 2006-05-29 | 2006-05-29 | Multimedia projection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200950200Y true CN200950200Y (en) | 2007-09-19 |
Family
ID=38892742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620117854 Expired - Fee Related CN200950200Y (en) | 2006-05-29 | 2006-05-29 | Multimedia projection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200950200Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101621649A (en) * | 2009-08-10 | 2010-01-06 | 上海闻泰电子科技有限公司 | Portable projector integrated with double interfaces and realizing method thereof |
| CN102314756A (en) * | 2010-07-05 | 2012-01-11 | 宏碁股份有限公司 | Method for controlling brief report |
| CN105704414A (en) * | 2016-03-31 | 2016-06-22 | 佛山市章扬科技有限公司 | No-screen television |
| CN105744244A (en) * | 2016-03-31 | 2016-07-06 | 佛山市章扬科技有限公司 | Non-screen television with USB (Universal Serial Bus) interface |
-
2006
- 2006-05-29 CN CN 200620117854 patent/CN200950200Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101621649A (en) * | 2009-08-10 | 2010-01-06 | 上海闻泰电子科技有限公司 | Portable projector integrated with double interfaces and realizing method thereof |
| CN102314756A (en) * | 2010-07-05 | 2012-01-11 | 宏碁股份有限公司 | Method for controlling brief report |
| CN102314756B (en) * | 2010-07-05 | 2013-03-27 | 宏碁股份有限公司 | Method for controlling brief report |
| CN105704414A (en) * | 2016-03-31 | 2016-06-22 | 佛山市章扬科技有限公司 | No-screen television |
| CN105744244A (en) * | 2016-03-31 | 2016-07-06 | 佛山市章扬科技有限公司 | Non-screen television with USB (Universal Serial Bus) interface |
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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: 20070919 Termination date: 20100529 |