CN1525775A - A mobile communication terminal having pick-up head - Google Patents
A mobile communication terminal having pick-up head Download PDFInfo
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- CN1525775A CN1525775A CNA031196551A CN03119655A CN1525775A CN 1525775 A CN1525775 A CN 1525775A CN A031196551 A CNA031196551 A CN A031196551A CN 03119655 A CN03119655 A CN 03119655A CN 1525775 A CN1525775 A CN 1525775A
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- 238000010295 mobile communication Methods 0.000 title abstract description 6
- 230000003287 optical effect Effects 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 13
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 238000012545 processing Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
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- 238000003379 elimination reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The invention discloses a mobile communication terminal with an image head, which belongs to mobile communication terminal field. The invention can carry on the transmission of image data between the image model and the LCD model without through the baseband model, it reduces the burden of baseband model, eliminates the delay between the displayed image of LCD model and the actual image. The invention includes baseband model, LCD model and image model. The baseband model controls the operation of image model and LCD model, the image model includes lens, optical sensor and image processor, the optical sensor converts the light image captured from the lens into electron image signal and sends them to the image processor, the image processor converts the electron image signal into digital signal, the processor processes the converted digital signal and transmits them to the baseband model. The digital signal processed by image processor can be transited to LCD model directly; the baseband model controls the LCD model through the image processor.
Description
Technical field
The present invention relates to a kind of communication terminal, particularly a kind of communication terminal that has camera.
Background technology
Along with the develop rapidly of digital image technology, various digital vedio recordings or image processing product have generally entered the lives of the people.The existing mobile communication terminal that has inserted camera such as the image processor on mobile phone or the individual palmtop PC of being applicable to, it not only can help mobile phone to realize the demonstration of image, more can carry out image acquisition and carry out multimedia communication by mobile phone, this compound mobile phone has improved the efficient of using, and also is very easy to the user.But, there is such shortcoming in the existing mobile phone that is used to have camera: referring to Fig. 1, the mobile phone that has camera comprises functional modules such as photographing module 20 ', baseband module 30 ' and LCD module 10 ', and photographing module 20 ' wherein comprises camera lens, optical pickocff and image processor.The running of baseband module 30 ' control photographing module 20 ' and LCD module 10 '.No matter be the video flowing of browsing photographing module 20 ' input by LCD module 10 ', still photographing module 20 ' is caught behind the image image by LCD module 10 ' display capture all needs to pass through baseband module 30 ' and transmits this image to LCD module 10 ' by photographing module 20 ' again.And the realization of each process also all needs master controller in the baseband module 30 ' to control and coordinate, and the burden that this has increased baseband module 30 ' has undoubtedly caused the load of baseband module excessive; And because the image that photographing module 20 ' is caught need just be sent to LCD module 10 ' through behind the baseband module 30 ', so the delay of several two field pictures is arranged between LCD module 10 ' last image that shows and real screen.The existence of these defectives makes the mobile phone that has camera can not reach gratifying result of use in practical operation, and therefore being badly in need of occurring a kind of photographing module 20 ' that can make does not need the communication terminal that has camera that just can carry out the view data transmission with LCD module 10 ' mutually through baseband module 30 '.
Summary of the invention
The purpose of this invention is to provide a kind of communication terminal that has camera.It can make photographing module not need just can carry out the view data transmission mutually with the LCD module through baseband module, has alleviated the burden of baseband module, has eliminated the delay between LCD module display image and the real screen.
In order to realize the foregoing invention purpose, technical scheme of the present invention realizes as follows:
A kind of communication terminal that has camera comprises baseband module, LCD module and photographing module.The running of described baseband module control photographing module and LCD module, described photographing module comprises camera lens, optical pickocff and image processor, optical pickocff will be converted to electrical picture signal and send to image processor from the light image that camera lens is caught, image processor is converted to digital signal to the electrical picture signal of input, passes to baseband module after the digital signal after described image processor will be changed is handled.Its design feature is that the digital signal after described image processor is handled can directly be passed to the LCD module, and described baseband module is controlled described LCD module by described image processor.
Above-mentioned image processor also comprises the LCD control unit on the basis of original each unit, the output signal of system controller and internal bus is used to control described LCD control unit.Described LCD control unit receives through the view data of YUV-RGB transducer conversion and sends it to the LCD module and shows.
Above-mentioned LCD control unit comprises frame buffer, LCD VIEW unit and LCD driving interface unit, the view data that described frame buffer is changed the YUV-RGB transducer is sent to the LCDVIEW unit and handles, and the view data after the LCD VIEW cell processing sends to LCD control and interface unit.
Above-mentioned LCD VIEW unit comprises Gamma corrector and color depth processor, carries out color depth by the color depth processor again after view data is handled through the Gamma corrector and handles.
Image processor of the present invention also comprises the 2-D image engine that storing image data in the described frame buffer is carried out the two dimensional image operation.
The present invention is owing to adopted above-mentioned structure, the mobile communication terminal that has inserted camera can make photographing module directly link to each other with the LCD module, thereby make the delay phenomenon between display image and the real screen be able to good elimination, its optimal image of seeing that the user can at random catch; Structural design provided by the present invention makes baseband module reduce unnecessary load, has improved its utilance; In addition, mobile communication terminal when conversing substantially, finish target image catch with transfer operation and be independent of each other also be utilize the present invention can realize.
Description of drawings
Fig. 1 is the structured flowchart of prior art mobile phone;
Fig. 2 is a structured flowchart of the present invention;
Fig. 3 is the structured flowchart of image processor of the present invention.
Fig. 4 is the flow chart of preview mode in the image processor implementation method of the present invention;
Fig. 5 is the flow chart of still image acquisition mode in the image processor implementation method of the present invention;
Fig. 6 is the flow chart of catching the back display mode in the image processor implementation method of the present invention;
Fig. 7 is the flow chart of video capture pattern in the image processor implementation method of the present invention.
Embodiment
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Referring to Fig. 2, the communication terminal that has camera comprises baseband module 30, LCD module 10, photographing module 20, RF module 40, power module 50, FLASH memory 60, keyboard portion 70, Sim card 80 and audio-frequency module 90.Baseband module 30 control photographing modules 20.Photographing module 20 comprises optical pickocff 22, camera lens 21 and image processor 23, optical pickocff 22 will be converted to electrical picture signal from the light image that camera lens 21 is caught, image processor 23 is converted to digital signal to the electrical picture signal of input, passes to baseband module 30 after the digital signal after described image processor 23 will be changed is handled.Digital signal after described image processor 23 is handled can directly be passed to LCD module 10, and described baseband module 30 is by the described LCD module 10 of described image processor 23 controls.Baseband module 30 is cores of whole mobile phone, and it links to each other with SIM card (Subscriber Identity Module Subscriber Identity Module), memory module 60, keyboard portion 70, audio-frequency module 90 and power module 50 etc.Memory module 60 is used for storing data that mobile device need store and the view data that captures from photographing module 20.Keyboard portion 70 is man-machine interface interfaces of user and this device, and the user is used for finishing the various operations that need.The voice signal of the coding that audio-frequency module 90 demodulation receive from RF module 40 and the voice signal that demodulation is provided be to loud speaker, and coding from the electroacoustic signal of microphone and voice signal through coding is provided to RF module 40.The LCD module is used to show the basic operation state of camera phone, and the image that camera is caught or the image file in the phone storage device show.RF (radio frequency) module 40 comprises the RF processor mainly input rf signal handled, be the RF conversion of signals IF (intermediate frequency) processor of IF signal and be the IF conversion of signals baseband processor of baseband module 30 accessible base-band bit-streams.In addition, although not shown, RF module 40 is divided into receiver and reflector.Receiver in the RF module 40 amplifies the RF signal of input and suppresses noise, and through the IF processor amplifying signal is converted to digital signal.The digital signal of conversion is provided for baseband module 30.Reflector in the RF module 40 is amplifying according to the signal after the band modulation of providing from baseband module 30, and launches this signal through the antenna part of not describing.
Referring to Fig. 3, image processor of the present invention, comprise the host interface 1 that links to each other with main frame, JPEG coding and decoding unit 2 with host interface 1 mutual Data transmission, reception is from the SIF/ISP unit 8 of the YUV view data of CCD/CMOS imageing sensor transmission, the view data that SIF/ISP unit 8 is transmitted handle and with the big or small administrative unit 3 of the image of JPEG coding and decoding unit 2 mutual Data transmission, data after 3 processing of image size administrative unit are carried out the YUV-RGB transducer 4 that YUV-RGB changes, system controller 9 and internal bus 10, described host interface 1 is by system controller 9 and internal bus 10 each unit of control.Described image processor also comprises LCD control unit 14, the output signal of system controller 9 and internal bus 10 is used to control described LCD control unit 14, and described LCD control unit 14 receives through the view data of YUV-RGB transducer 4 conversions and sends it to the LCD module and shows.
The LCD control unit 14 of above-mentioned image processor comprises frame buffer 5, LCD VIEW unit 6 and LCD driving interface unit 7, the view data that described frame buffer 5 is changed YUV-RGB transducer 4 is sent to LCD VIEW unit 6 and handles, and the view data after LCD VIEW unit 6 is handled sends to LCD driving interface unit 7.The LCDVIEW unit 6 of above-mentioned image processor comprises Gamma corrector 12 and color depth processor 13, carries out color depth by color depth processor 13 again after view data is handled through Gamma corrector 12 and handles.Image processor of the present invention also comprises the 2-D image engine 11 that storing image data in the described frame buffer 5 is carried out the two dimensional image operation.
Realize the method for image processor of the present invention, comprise preview mode, still image acquisition mode, catch back display mode and Video Capture pattern.
Referring to Fig. 4, the step of preview mode is in the said method: 1) the CCD/CMOS imageing sensor sends the YUV view data to the SIF/ISP unit; 2) the SIF/ISP unit sends to image size administrative unit with view data and handles; 3) view data after image size administrative unit is handled is carried out the YUV-RGB conversion by the YUV-RGB transducer; 4) view data after the conversion deposits frame buffer in; 5) frame buffer sends to LCD VIEW unit with view data and carries out that Gamma corrects and the color depth processing; 6) view data after the processing is sent to LCD driving interface unit, and shows through the LCD module.
The step 4) of preview mode can also comprise that the view data in the frame buffer is sent to the 2-D image engine carries out sending it back frame buffer after the two dimensional image operation in the said method.
Referring to Fig. 5, the step of still image acquisition mode is in the said method: 1) the CCD/CMOS imageing sensor sends the YUV view data to the SIF/ISP unit; 2) the SIF/ISP unit sends to image size administrative unit with view data and handles; 3) view data after image size administrative unit is handled is sent to JPEG coding and decoding unit and encodes; 4) encoded image data sends to host interface.
Referring to Fig. 6, the step of catching the back display mode in the said method is: 1) host interface transmission YUV view data is decoded to JPEG coding and decoding unit; 2) decoded data send to image size administrative unit and handle and deposit in frame buffer; 3) frame buffer sends to LCD VIEW unit with view data and carries out that Gamma corrects and the color depth processing; 4) view data after the processing is sent to LCD driving interface unit, and shows through the LCD module.
Catch the step 2 of back display mode in the said method) can also comprise that the view data in the frame buffer is sent to the 2-D image engine carries out sending it back frame buffer after the two dimensional image operation.
Referring to Fig. 7, the step of Video Capture pattern is in the said method: 1) the CCD/CMOS imageing sensor sends the very little multiframe YUV view data of resolution to the SIF/ISP unit; 2) the SIF/ISP unit sends to image size administrative unit with view data and handles; 3) view data after image size administrative unit is handled is sent to JPEG coding and decoding unit and encodes; 4) the multiple image data behind the coding send to host interface.
Claims (5)
1. communication terminal that has camera, comprise baseband module (30), LCD module (10) and photographing module (20), the running of described baseband module (30) control photographing module (20), described photographing module (20) comprises camera lens (21), optical pickocff (22) and image processor (23), optical pickocff (22) will be converted to electrical picture signal from the light image that catch camera lens (21) and send to image processor (23), image processor (23) is converted to digital signal to the electrical picture signal of input, after handling, digital signal after described image processor (23) will be changed passes to baseband module (30), it is characterized in that, digital signal after described image processor (23) is handled can directly be passed to LCD module (10), and described baseband module (30) is by described image processor (23) control described LCD module (10).
2. the communication terminal that has camera as claimed in claim 1, it is characterized in that, described image processor (23) also comprises LCD control unit (14) on the basis of original each unit, the output signal of system controller (9) and internal bus (10) is used to control described LCD control unit (14), and described LCD control unit (14) receives through the view data of YUV-RGB transducer (4) conversion and sends it to the LCD module and shows.
3. the communication terminal that has camera as claimed in claim 1, it is characterized in that, described LCD control unit (14) comprises frame buffer (5), LCD VIEW unit (6) and LCD driving interface unit (7), the view data that described frame buffer (5) is changed YUV-RGB transducer (4) is sent to LCD VIEW unit (6) and handles, and the view data after handle LCDVIEW unit (6) sends to LCD driving interface unit (7).
4. the communication terminal that has camera as claimed in claim 2, it is characterized in that, described LCD VIEW unit (6) comprises Gamma corrector (12) and color depth processor (13), carries out color depth by color depth processor (13) again after view data is handled through Gamma corrector (12) and handles.
5. the communication terminal that has camera as claimed in claim 2 is characterized in that, also comprises the 2-D image engine (11) that storing image data in the described frame buffer (5) is carried out the two dimensional image operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031196551A CN1525775A (en) | 2003-03-19 | 2003-03-19 | A mobile communication terminal having pick-up head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031196551A CN1525775A (en) | 2003-03-19 | 2003-03-19 | A mobile communication terminal having pick-up head |
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| Publication Number | Publication Date |
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| CN1525775A true CN1525775A (en) | 2004-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031196551A Pending CN1525775A (en) | 2003-03-19 | 2003-03-19 | A mobile communication terminal having pick-up head |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101483768B (en) * | 2008-01-11 | 2012-04-25 | 联发科技股份有限公司 | Electronic apparatus |
| CN102541796B (en) * | 2008-01-11 | 2014-10-29 | 联发科技股份有限公司 | Electronic device |
| CN111198528A (en) * | 2020-01-16 | 2020-05-26 | 苏州灵猴机器人有限公司 | A servo driver and fly equipment of clapping for fly clap |
-
2003
- 2003-03-19 CN CNA031196551A patent/CN1525775A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101483768B (en) * | 2008-01-11 | 2012-04-25 | 联发科技股份有限公司 | Electronic apparatus |
| CN102541796B (en) * | 2008-01-11 | 2014-10-29 | 联发科技股份有限公司 | Electronic device |
| CN111198528A (en) * | 2020-01-16 | 2020-05-26 | 苏州灵猴机器人有限公司 | A servo driver and fly equipment of clapping for fly clap |
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