CN1305308C - Method of realizing high definition digital photo album based on digital optical display back projection - Google Patents
Method of realizing high definition digital photo album based on digital optical display back projection Download PDFInfo
- Publication number
- CN1305308C CN1305308C CNB2004100151883A CN200410015188A CN1305308C CN 1305308 C CN1305308 C CN 1305308C CN B2004100151883 A CNB2004100151883 A CN B2004100151883A CN 200410015188 A CN200410015188 A CN 200410015188A CN 1305308 C CN1305308 C CN 1305308C
- Authority
- CN
- China
- Prior art keywords
- digital
- high definition
- optical display
- projector
- display rear
- 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.)
- Expired - Fee Related
Links
Abstract
The present invention relates to a method for displaying a high definition digital album on a digital optical display rear projection screen, which is a method realizing a high definition digital album based on a digital optical display rear projection screen and comprises the following steps: firstly, a high definition digital album module (the digital image treater of a card reader) reads digital photographs in a digital storing card and converts the digital photographs into digital signals; secondly, the digital signals of the digital photographs are input into a digital processor through the DVI digital interface of the digital optical display rear projection screen; thirdly, the digital processor of the digital optical display rear projection screen outputs the digital signals of the digital photographs to a display driving circuit and displays the digital photographs on the digital optical display rear projection screen. The present invention inputs the digital signals to the display driving circuit without through intermediate conversion and therefore, the loss of intermediate signals is reduced, the high definition of the photographs is ensured, and the function of realizing the high definition digital album is achieved on the digital optical display rear projection screen.
Description
[technical field]
The present invention relates on video equipment, show the method for digital album, relate in particular to the method for the digital album of high resolution displayed on the digital optical display rear-projector.
[background technology]
At present, digital memory technology has been widely applied in people's work, the life, along with the digital optical display rear-projector also progresses into increasing family, a lot of users wish can with the digital photo high definition of storage in the digital memory card (CompactFlash, SmartMedia, MultiMediaCard, MemoryStick, SecureDigital etc.) be presented on the large-screen digital optical display rear-projector, and can carry out playback piecewise, promptly realize high definition digital album function.At present, with the digital memory card technical scheme that video equipment adopted of plugging into be: digital memory card is inserted in the high definition digital album (being card reader), the digital image processor of high definition digital album module reads the digital photo in the digital memory card, through decompress(ion), decoding, D/A switch, export the analog signal interface of Y/C (being brightness/chroma) signal at last to video equipment, as AV1, AV2, S-Video1, S-video2, YpbPr, YcbCr, after y/c signal is input to video equipment, carry out mould/number conversion again, decoding, convert the digital processing unit that digital signal is input to the digital optical display rear-projector to, enter display driver circuit at last.The deficiency that this technical scheme exists is: read photograph to entering display driver circuit from digital image processor, passed through number-Mo conversion and twice image decoding twice, though still converted the digital signal of former photograph to, but caused some losses of picture intelligence, reduced visual definition.
[summary of the invention]
Main purpose of the present invention is exactly to solve the defective that twice number-Mo conversions in the prior art and twice image decoding bring, a kind of method that realizes the high definition digital album based on the digital optical display rear-projector is provided, the signal that makes photograph is without twice analog-to-digital conversion and twice image decoding, with the digital photo high definition be presented on the digital optical display rear-projector.
Of the present invention time a purpose provides a kind of method that realizes the high definition digital album based on the digital optical display rear-projector, makes and realizes that in the function that realizes the high definition digital album interface is shared, saving cost and space.
For achieving the above object, the present invention proposes a kind of method that realizes the high definition digital album based on the digital optical display rear-projector, may further comprise the steps:
1) high definition digital album module is that the digital image processor of card reader reads the digital photo in the digital memory card, converts digital signal to;
2) digital signal of digital photo is input in the digital processing unit by digital optical display rear-projector's DVI digital interface;
3) digital optical display rear-projector's digital processing unit exports the digital signal of digital photo to display driver circuit, and digital photo is presented on digital optical display rear-projector's screen.
As a further improvement on the present invention, the DVI digital interface is made to become the digital interface with diverter switch.
Whether there is external digital memory card between high definition digital album module and digital optical display rear-projector's peripheral hardware PC3 input port, to switch DVI digital interface basis.
Described switching may further comprise the steps:
A) when digital image processor has detected external digital memory card, the DVI digital interface is switched to high definition digital album module from the PC3 input port;
B) when digital image processor has detected digital memory card and extracts, the DVI digital interface is switched to the PC3 input port from high definition digital album module.
Described in the step b) the DVI digital interface is switched to the second digital input port from high definition digital album module before first timing certain hour, for example 60 seconds.
Whether the continuous detection of digital image processor has external digital memory card in described timing certain hour.
Especially, when digital image processor had not detected external digital memory card, digital image processor was in holding state, did not respond control command; When digital image processor has detected external digital memory card, digital image processor response control command.Described control command comprises remote control command.
Described control command comprises is undertaken by the OSD module that digital photo is browsed, amplifies, sorts, deleted, nine screen operations.
The invention has the beneficial effects as follows: 1) the present invention is directly changed into digital signal with the digital photo information that the digital image processor of high definition digital album module reads, and this digital signal is input to digital optical display rear-projector's digital processing unit and display driver circuit, thereby be presented on the screen.Because digital signal is not passed through intermediate conversion, but authentic digital signal is input to display driver circuit, so reduced the middle signal loss, has guaranteed the high definition of photograph, has realized high definition digital album function on the digital optical display rear-projector.2) the present invention will import shared with the interface that the DVI digital interface of high definition digital album signal is designed to have diverter switch, according to having external digital memory card is arranged not, the DVI digital interface is switched between high definition digital album module and PC3 interface, thereby reduced by a way word interface, saved cost and space.
Feature of the present invention and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
[description of drawings]
Fig. 1 represents digital image processing process schematic diagram of the present invention;
Fig. 2 represents digital image processor workflow diagram of the present invention.
[embodiment]
Be illustrated in figure 1 as a most preferred embodiment of the present invention, the output of high definition digital album module is partly linked to each other with the DVI digital interface of digital optical display rear-projector inside, the output of DVI digital interface links to each other with the input of the digital processing unit of digital optical display rear-projector inside, and the output of digital processing unit links to each other with display driver circuit.The DVI digital interface is the digital interface that has diverter switch, can switch between the PC3 interface of high definition digital album module and digital optical display rear-projector's peripheral hardware.
When the digital image processor of high definition digital album module has detected external digital memory card or has had digital memory card to insert, read the digital photo in the digital memory card, be directly changed into digital signal; Send instructions simultaneously to the diverter switch of DVI digital interface, the DVI digital interface is switched to high definition digital album module from the PC3 input port; The digital signal of digital photo is input in the digital processing unit by digital optical display rear-projector's DVI digital interface; Digital optical display rear-projector's digital processing unit exports the digital signal of digital photo to display driver circuit, and digital photo is presented on digital optical display rear-projector's screen.When the digital image processor of high definition digital album module had detected digital memory card and extracts, after 60 seconds of timing, the DVI digital interface switched to the PC3 input port from high definition digital album module.
Among this embodiment, the embedded ARM microcontroller of the digital image processor of described high definition digital album, have osd function and I/O control interface, the user can carry out operations such as digital photo is browsed automatically, amplifies, sorts, deleted, nine image modes by the OSD module, has realized high definition digital album function.Digital optical display rear-projector's digital processing unit is the SCALER chip.The diverter switch of DVI digital interface is one to have I
2The chip of C bus interface, digital image processor passes through I
2The C bus sends instructions to diverter switch, and diverter switch is switched.
The job step of the digital image processor of described high definition digital album is as follows:
1) start, each register port of initialization;
2) digital image processor is in standby mode, does not respond user's control command;
3) digital image processor detects the digital memory card insertion;
4) if detecting digital memory card inserts, send instruction, the DVI digital interface is switched to high definition digital album module from the PC3 input port to diverter switch;
5) digital image processor is in mode of operation, can respond user's control command;
6) digital image processor detection digital memory card is extracted;
7), begin to carry out timing if detecting digital memory card extracts;
Whether 8) constantly detect digital memory card during timing inserts;
9) if detecting digital memory card during the timing inserts, stop timing, return step 5);
10) judge that whether timing time is greater than 60 seconds;
11) if greater than just stopping timing 60 seconds, digital image processor sends instruction to diverter switch, and the DVI digital interface is switched to the PC3 input port from high definition digital album module;
12) return step 2).
The high definition digital album under mode of operation, can respond that teleswitch carries out that the user needs browse automatically, amplify, sort, delete, operation such as nine image modes; Under standby mode, digital image processor enters sleep, and the high definition digital album is in zero consumption state.
Among this embodiment, reserve several teleswitches on digital optical display rear-projector's the remote controller, be used for operating the osd function of high definition digital album, realize that digital optical display rear-projector's the remote controller and the remote controller of high definition digital album unite two into one, and are user-friendly to.
The present invention is when digital image processor has detected digital memory card and extracted, and timing time can also be other times according to the setting of high definition digital album, for example 30 seconds or 100 seconds.
The digital image processor of described high definition digital album can read the digital memory card of several different storage schemes of present main flow: CompactFlash, SmartMedia, MultiMediaCard, MemoryStick, SecureDigital, with the digital photo high definition in the digital memory card be presented on the super large screen digital optical display rear-projector, and can carry out playback piecewise, satisfied user's needs fully.
Claims (9)
1. method that realizes the high definition digital album based on the digital optical display rear-projector is characterized in that may further comprise the steps:
1) digital image processor of high definition digital album module reads the digital photo in the digital memory card, converts digital signal to;
2) digital signal of digital photo is input in the digital processing unit by digital optical display rear-projector's DVI digital interface;
3) digital optical display rear-projector's digital processing unit exports the digital signal of digital photo to display driver circuit, and digital photo is presented on digital optical display rear-projector's screen.
2. a kind of method that realizes the high definition digital album based on the digital optical display rear-projector as claimed in claim 1 is characterized in that: the DVI digital interface is made to become the digital interface with diverter switch.
3. a kind of method that realizes the high definition digital album based on the digital optical display rear-projector as claimed in claim 2 is characterized in that: whether the DVI digital interface is according to having external digital memory card to switch between high definition digital album module and digital optical display rear-projector's peripheral hardware PC3 input port.
4. a kind of method that realizes the high definition digital album based on the digital optical display rear-projector as claimed in claim 3, it is characterized in that: described switching may further comprise the steps:
A) when digital image processor has detected external digital memory card, the DVI digital interface is switched to high definition digital album module from the PC3 input port;
B) when digital image processor has detected digital memory card and extracts, the DVI digital interface is switched to the PC3 input port from high definition digital album module.
5. a kind of method that realizes the high definition digital album based on the digital optical display rear-projector as claimed in claim 4 is characterized in that: described in the step b) the DVI digital interface is switched to the PC3 input port from high definition digital album module before first timing certain hour.
6. a kind of method that realizes the high definition digital album based on the digital optical display rear-projector as claimed in claim 5 is characterized in that: described first timing certain hour is 60 seconds of timing.
7. a kind of method that realizes the high definition digital album based on the digital optical display rear-projector as claimed in claim 5 is characterized in that: whether the continuous detection of digital image processor has external digital memory card in described timing certain hour.
8. as each described a kind of method that realizes the high definition digital album based on the digital optical display rear-projector in the claim 3 to 7, it is characterized in that: when digital image processor has not detected external digital memory card, digital image processor is in holding state, does not respond control command; When digital image processor has detected external digital memory card, digital image processor response control command.
9. a kind of method that realizes the high definition digital album based on the digital optical display rear-projector as claimed in claim 8 is characterized in that: described control command comprises is undertaken by the OSD module that digital photo is browsed, amplifies, sorts, deleted, nine screen operations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100151883A CN1305308C (en) | 2004-01-17 | 2004-01-17 | Method of realizing high definition digital photo album based on digital optical display back projection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100151883A CN1305308C (en) | 2004-01-17 | 2004-01-17 | Method of realizing high definition digital photo album based on digital optical display back projection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1558671A CN1558671A (en) | 2004-12-29 |
| CN1305308C true CN1305308C (en) | 2007-03-14 |
Family
ID=34351353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100151883A Expired - Fee Related CN1305308C (en) | 2004-01-17 | 2004-01-17 | Method of realizing high definition digital photo album based on digital optical display back projection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1305308C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002252795A (en) * | 2001-02-23 | 2002-09-06 | Canon Inc | Image pickup device and image pickup method |
| US6449052B1 (en) * | 1999-04-23 | 2002-09-10 | Peerless Systems Corporation | Multi-purpose image generator for driving multiple output devices |
| JP2003309824A (en) * | 2002-04-17 | 2003-10-31 | Victor Co Of Japan Ltd | Image display system |
-
2004
- 2004-01-17 CN CNB2004100151883A patent/CN1305308C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6449052B1 (en) * | 1999-04-23 | 2002-09-10 | Peerless Systems Corporation | Multi-purpose image generator for driving multiple output devices |
| JP2002252795A (en) * | 2001-02-23 | 2002-09-06 | Canon Inc | Image pickup device and image pickup method |
| JP2003309824A (en) * | 2002-04-17 | 2003-10-31 | Victor Co Of Japan Ltd | Image display system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1558671A (en) | 2004-12-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW411700B (en) | Method and apparatus for powering on an electronic device with a video camera that detects motion | |
| EP2857930B1 (en) | Techniques to transmit commands to a target device | |
| US6965403B2 (en) | External storage device for image pickup apparatus, control method therefor, image pickup apparatus and control method therefor | |
| CN101395656B (en) | Image control apparatus and image control method | |
| CN1677305A (en) | Low power DVD playback in a portable computing system | |
| EP1774773A2 (en) | Method and system for displaying a sequence of image frames | |
| US7612772B2 (en) | Display monitor with a common display data channel | |
| JPH09237166A (en) | Computer system, card device controller used in the same and animation encoder card | |
| JP4018439B2 (en) | Apparatus and image display method configured to display images | |
| US7761685B2 (en) | Compressing and decompressing image data without introducing artifacts | |
| US20030147640A1 (en) | System and method for capturing and embedding high-resolution still image data into a video data stream | |
| CN100337475C (en) | Method for controlling on and off of double CPU TV set by SCART interface | |
| CN1305308C (en) | Method of realizing high definition digital photo album based on digital optical display back projection | |
| CN1885922A (en) | Method for carrying out TV set software upgrade and its device | |
| US7366356B2 (en) | Graphics controller providing a motion monitoring mode and a capture mode | |
| CN1753469A (en) | Multimedia terminal | |
| CN100574386C (en) | Can carry out the digital audio/video apparatus and method of additional operations | |
| US7081874B2 (en) | Portable display device and method utilizing embedded still image buffer to facilitate full motion video playback | |
| CN1547392A (en) | A digital optical display back projection with online alteration of start-up display frame and method thereof | |
| US20050068336A1 (en) | Image overlay apparatus and method for operating the same | |
| CN1885931A (en) | TV set low-power consumption standby controlling method based on single chip microcomputer | |
| CN110012253A (en) | A kind of server start process video display optimization method | |
| US20090094392A1 (en) | System and Method for Data Operations in Memory | |
| US6839500B2 (en) | Apparatus for implementing still function of DVD and method thereof | |
| WO2000029960A1 (en) | Digital media frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20070314 Termination date: 20140117 |