CN1276675C - Mobile communication terminal device with pickup head - Google Patents
Mobile communication terminal device with pickup head Download PDFInfo
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- CN1276675C CN1276675C CN 02155520 CN02155520A CN1276675C CN 1276675 C CN1276675 C CN 1276675C CN 02155520 CN02155520 CN 02155520 CN 02155520 A CN02155520 A CN 02155520A CN 1276675 C CN1276675 C CN 1276675C
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- 238000010295 mobile communication Methods 0.000 title claims abstract description 19
- 238000012545 processing Methods 0.000 claims description 29
- 238000012546 transfer Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
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Abstract
The present invention discloses a mobile communication terminal device with a camera head, which at least comprises a camera module, a baseband module and an LCD module. The present invention is characterized in that the baseband module is not directly connected with the LCD module and controls operation of the LCD module by a channel in the camera module; the camera module provides a transparent bridge between the baseband module and the LCD module; the camera module also does not carry out image and data transmission with the LCD module by the baseband module rather than be directly connected with the LCD module by an LCD interface in the camera module. Compared with the prior art, the present invention has the advantages that a delay phenomenon between a display image and an actual picture is well eliminated by direct connection of the camera module and the LCD module; a user can arbitrarily capture most suitable images observed by the user; secondly, the unnecessary load of the baseband module is reduced and the utilization rate of the baseband module is increased by structure design provided by the present invention.
Description
Technical field
The present invention relates to a kind of mobile communication terminal, particularly a kind of mobile communication terminal that has camera.
Technical background
In recent years, mobile communication technology has obtained developing rapidly.Mobile communications device such as mobile phone also provide various additional functions to make things convenient for the user except that original function.The efficient that for example access the Internet and the internet phone of sending and receiving e-mail, the TV phone that combines with television receiver and the camera phone that combines with camera etc. smoothly, this compound mobile phone have improved application has made things convenient for the user thereby has received an acclaim.
Along with constantly bringing forth new ideas of image technique, carrying out multi-media communication will be trend of the times, the sort of mobile phone and video camera are combined with each other the mobile phone that has camera that can carry out image acquisition and transmission will be universal day by day.But there is such defective in the mobile phone that has camera in the prior art: it normally utilizes baseband module 30 ' to control the running of photographing module 20 ' and LCD module 10 '.Fig. 1 is the system block diagram of traditional solution.In the time of the pre-clear picture of beginning, photographing module 20 ' (comprises camera lens, optical pickocff and dsp chip--digital signal processing chip) catches image and transmitted image to baseband module 30 ', baseband module 30 ' transmits this image again and shows to LCD module 10 ' (comprising LCD display, lcd controller and LCD drive part) then.
This solution has tangible deficiency:
At first, because the image that camera is caught need just be sent to the LCD module through behind the baseband module, so the delay of several two field pictures is arranged between image that shows on the LCD module and real screen;
Secondly, the structural design of existing band camera device for mobile communication has also caused the load of baseband module excessive.The existence of these defectives makes said apparatus can not reach gratifying result of use in practical operation, so the solution of new shooting communication terminal device is by demand.
Summary of the invention
The purpose of this invention is to provide a kind of solution that has the camera mobile phone of having avoided above-mentioned deficiency.
The present invention is achieved in that in this mobile communications device, and photographing module is by carrying out image and transfer of data between baseband module and the LCD module, but directly links to each other with the LCD module by the LCD interface in the photographing module; Baseband module does not directly link to each other with the LCD module yet, and the passage in its process photographing module is controlled the running of LCD module, and photographing module provides a transparent bridge between baseband module and LCD module.
The user is when carrying out preview to video flowing and when not catching, and view data needn't be passed through baseband module, but directly carries out transport flow between photographing module and LCD module, so, has reduced the unnecessary burden of baseband module; Baseband module only can realize promptly by the passage in the photographing module that photographing module does not carry out unnecessary running when control LCD module is carried out some basic operations that do not need the photographing module participation such as menu demonstration.
With respect to prior art, the invention has the advantages that:
At first, photographing module makes the delay phenomenon between display image and the real screen be able to good elimination with directly linking to each other of LCD module, its optimal image of seeing that the user can at random catch;
Secondly, structural design provided by the present invention makes baseband module reduce unnecessary load, has improved its utilance.
In addition, when conversing substantially, finish target image catch with transfer operation and be independent of each other also be the mobile communications device that has a camera provided by the present invention can realize.
Above and other objects of the present invention, feature and advantage are from below in conjunction with accompanying drawing be not will become more obvious the specific descriptions of certain embodiments.
Description of drawings
Fig. 1 is structured flowchart that has the mobile phone of camera in the prior art;
Fig. 2 is the block diagram that has the mobile phone embodiment of camera according to of the present invention;
Fig. 3 is the theory diagram of the interior image processing module 23 of photographing module in the device of the present invention;
Fig. 4 is the simple schematic block diagram of baseband module in the device of the present invention;
Fig. 5 is the data channel schematic diagram of device of the present invention when carrying out the picture preview;
Fig. 6 is that device of the present invention carries out the data channel schematic diagram of picture when catching;
Fig. 7 is that device of the present invention carries out picture and catches the data channel schematic diagram of back when showing;
Embodiment
In the following description, known function or structure will no longer describe in detail, to avoid there be unnecessary obscuring with content of the present invention.
Fig. 2 is the block diagram that has the mobile phone embodiment of camera according to of the present invention, referring to Fig. 2: for photographing module 20, optical pickocff 22 will be converted to electrical picture signal from the light image that camera lens 21 is caught, video processing module 22 electrical picture signals from optical pickocff 22 inputs are converted to digital signal and will change after digital signal pass to LCD module 10 or baseband module 30 after further handling.
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 92, and coding from the electroacoustic signal of microphone 91 and voice signal through coding is provided to RF module 40.
LCD module 10 comprises LCD display 11, lcd controller 13 and two lcd drivers 12.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.
Fig. 3 is the theory diagram of photographing module 20 interior image processing modules 23 in the device of the present invention, as shown in Figure 3, in this mobile communications device, the host interface 231 of baseband module 30 in video processing module 23 links to each other with LCD module 10 with LCD interface 238 formed transparent channels, so, when not needing camera operation, baseband module 30 can also be controlled the basic running of LCD module like before convenient and simplely, and this moment, the camera function of video processing module 23 did not carry out work.
In addition, photographing module 20 is by carrying out image and transfer of data between baseband module 30 and the LCD module 10, but directly directly links to each other with LCD module 10 by the LCD interface 238 in the video processing module 23; Host CPU 32 in the baseband module 30 comes the work of control of video processing module 23 by host interface 231, order and data that host interface 231 receives from baseband module.The RGB/YUV raw image data that SIF (sensor interface sensor interface) and ISP (processing of image signal processing picture signal) module 232 receives from CCD/CMOS imageing sensor 22 carries out such as some algorithm operatings such as white balance, color correction, gamma correction, interpolation correction this view data.Sizer (image size manager) 234 can change the resolution from the image of imageing sensor 22, and it can provide the different resolution that is fit to image preview and seizure.Although not shown, sizer (big or small manager) is divided into Preview sizer (preview image size manager) and Capture sizer (catching image size manager) two parts.Wherein MCU (microcontroller) 240 can controlling such as basic operations such as automatic focusing, white balances image processing module 23, in the host CPU 32 in not having baseband module 30, the image processing module 23 that has MCU (microcontroller) 240 can be used as an independent camera chip fully and moves.
JPEG (joint image coding expert group) coding and decoding unit 236, can will perhaps the jpeg file decompress(ion) be condensed to the yuv format file from the yuv format data image signal boil down to jpeg file of Sizer module 234 inputs according to the international standard of compressed color picture.Image buffer 235 is used for storing interim view data.
In addition, we synthesize a LCD View module 237 with image processing functions such as color space conversion, rotation, mirror image conversion, overlapping, convergent-divergent, Rendering Process (color depth processing) and first in first out demonstrations; LCD interface 238 transmits data and gives lcd controller 13 and lcd driver 12, the demonstration after catching with the preview that is used for LCD module 10 carries out image and image.SPI, UART and CCIR656 interface 230 are used for the data in this device are sent out.Flash interface 239 is used for connecting flash memory module 60, carries out the storage of data.
Three mode of operations are arranged when the user uses shooting device for mobile communication of the present invention to carry out camera operation and processing: preview mode, acquisition mode and catch the back display mode.
In preview mode, the video flowing that continues is displayed on the LCD display 11, the user can regulate on the LCD display 11 just demonstrating the different zoom rate and the resolution of image, when the user sees appropriate screen, can catch this image by operation such as button to keyboard portion 70.Shown in the data channel schematic diagram when carrying out the picture preview as Fig. 5 device of the present invention, image processing module 23 receives from the view data of imageing sensor 22 and to its processing of being correlated with by SIF/ISP module 232, change the resolution of image then by Preview sizer (preview image size manager), after passing through the various processing of LCD View module 237 again, image sends LCD module 10 to through LCD interface 238.
In acquisition mode, after the selected appropriate screen of user, he can catch this two field picture and be put in the image buffer 235.Carry out the data channel schematic diagram of picture when catching as Fig. 6 device of the present invention, when the user capture a two field picture after, at first handle through SIF/ISP module 232, Sizer module 234 changes the resolution of image according to user's selection then, JPEG coding and decoding unit 236 compresses image and is stored in the image buffer 235, send the instruction of transmitted image at baseband module 30 after, this jpeg image is sent out.
In catching the back display mode, image in the image buffer 235 is a jpeg image, image that it is caught by this device by the user or the image that sends by baseband module 30 controls, after decompressing through JPEG coding and decoding unit 236, image is converted into the yuv data form, and then by the processing of Preview sizer in the Sizer module 234 (preview image size manager) part and LCD View module 237 after LCD interface 238 sends LCD module 10 to.Its data channel is referring to Fig. 7.
According to above-mentioned principle, when the user when using mobile communications device of the present invention, can realize such operation fully: when carrying out normal talking, can also finish shooting, the picture of image and handle even send.At this moment, MCU in the image processing module 23 (microcontroller) 240 moves as an independent camera chip, 20 pairs of images of control photographing module carry out preview, and the basic process such as images such as automatic focusing, white balances of image processing module 23 controlled, when image processing module 23 receive the user by baseband module 30 transmit catch image or send the image instruction time, carry out again image catch and transmission waits other operations.
The mobile communication terminal that has camera of the present invention, be not restricted to listed utilization in specification and the execution mode, it can be applied to various suitable the present invention's field fully, for those skilled in the art, can easily realize additional advantage and make amendment, therefore under the situation of the spirit and scope of the universal that does not deviate from claim and equivalency range and limited, the examples shown that the present invention is not limited to specific details, representational equipment and illustrates here and describe.
Claims (5)
1, a kind of mobile communication terminal that has camera comprises photographing module (20), baseband module (30) and LCD module (10) at least, it is characterized in that:
Described photographing module (20) includes video processing module (23), wherein said video processing module (23) is provided with and is used for host interface that is connected with baseband module (30) and the LCD interface that is used for being connected with LCD module (10), forms transparent channel between described host interface and the described LCD interface and carries out communication for described baseband module (30) and described LCD module (10);
The work that described baseband module (30) comes control of video processing module (23) by described host interface, described photographing module (20) the LCD interface by described video processing module (23) directly and LCD module (10) carry out transfer of data.
2, mobile communication terminal according to claim 1 is characterized in that, described LCD module comprises LCD display and lcd controller, and wherein said lcd controller links to each other with the LCD interface of described video processing module (23).
3, mobile communication terminal according to claim 1 is characterized in that, comprises the MCU microcontroller (240) that a may command photographing module (20) independently carries out operate as normal on the described video processing module (23).
4, mobile communication terminal according to claim 1 is characterized in that, comprises the resolution that a big or small manager (234) is used to change image on the described video processing module (23).
5, mobile communication terminal according to claim 4 is characterized in that, described big or small manager (234) is divided into preview image size manager and catches image size manager two parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02155520 CN1276675C (en) | 2002-12-17 | 2002-12-17 | Mobile communication terminal device with pickup head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02155520 CN1276675C (en) | 2002-12-17 | 2002-12-17 | Mobile communication terminal device with pickup head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1509103A CN1509103A (en) | 2004-06-30 |
| CN1276675C true CN1276675C (en) | 2006-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02155520 Expired - Fee Related CN1276675C (en) | 2002-12-17 | 2002-12-17 | Mobile communication terminal device with pickup head |
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| Country | Link |
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| CN (1) | CN1276675C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1295939C (en) * | 2002-12-25 | 2007-01-17 | 北京中星微电子有限公司 | Multifunctional image processor |
| CN101674401B (en) * | 2009-09-17 | 2012-06-20 | 华为终端有限公司 | Method, terminal and camera module for transmitting image data |
| CN108513067B (en) * | 2018-03-29 | 2021-01-08 | 维沃移动通信有限公司 | Shooting control method and mobile terminal |
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2002
- 2002-12-17 CN CN 02155520 patent/CN1276675C/en not_active Expired - Fee Related
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| CN1509103A (en) | 2004-06-30 |
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Granted publication date: 20060920 Termination date: 20111217 |