CN201307872Y

CN201307872Y - Multi-camera circuit

Info

Publication number: CN201307872Y
Application number: CNU2008202029038U
Authority: CN
Inventors: 张剑伟
Original assignee: Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
Current assignee: Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
Priority date: 2008-11-04
Filing date: 2008-11-04
Publication date: 2009-09-09
Anticipated expiration: 2018-11-04

Abstract

The utility model provides a multi-camera circuit. The multi-camera circuit comprises a first camera module, a second camera module and a first processor; the first camera module is connected with the second camera module, and the first processor is used for processing image data which is collected by the first camera module and the second camera module. The multi-camera circuit further comprises a second processor which is connected with the first processor and the first camera module. The second processor is used for carrying out image processing on the image data which is collected by the first camera module and sending the processed data to the first processor to be reprocessed. By carrying out the embodiment of the multi-camera circuit, the second processor is additionally arranged and carries out special image processing on the high-pixel image data, so as to greatly reduce burden of the first processor; moreover, a data bus and an address bus are communicated with the first processor, so as to speed up the processing and improve the image processing effect.

Description

A kind of multi-cam circuit

Technical field

The utility model relates to the telecommunications field, relates in particular to a kind of multi-cam circuit.

Background technology

Along with the development of society, mobile phone has become the topmost communication tool of people, and the function that mobile phone possessed is more and more, and camera function just becomes the requisite function of modern mobile phone.In the prior art, in the dual camera integrated circuit structure of mobile phone, the camera pixel all is below 2,000,000 pixels, and adopt shared mode, except reset, the standby signal, all the other interface control signals and power supply all are connected in parallel, and the characteristic of respective pin high-impedance state realizes that the dual camera of a job, a standby switches when utilizing a wherein camera standby.

Along with technological progress and user pursuit to higher shooting quality, the application of high-pixel camera head (the camera pixel is generally more than 2,000,000 pixels) becomes inevitable, but increase along with pixel, even very little load capacitance on the bus of circuit, still have the factor that increases the weight of load capacitance to exist, concerning high speed signal, there is very big decay, makes that the high-pixel camera head can't operate as normal, so be necessary the working method of dual camera in the existing mobile phone is adjusted and improved.Being applied under the mobile phone interior spatial structure condition of limited of high-pixel camera head can be brought the problem of electromagnetic compatibility simultaneously.Thereby at the mobile phone dual camera and connect the bottleneck that scheme is run in the high-pixel camera head is used, provide the faster and better multi-cam circuit framework of treatment effect of a kind of processing speed to be with a wide range of applications and importance

The utility model content

Technical problem to be solved in the utility model is, at only there being a utilizing camera interface in the cell phone system, provides a kind of processing speed the faster and better multi-cam circuit framework of treatment effect.

In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of multi-cam circuit, comprise the first shooting module, the second shooting module that is connected and be used to handle the described first shooting module and the first processor of the view data that the second shooting module is gathered, described circuit also comprises

Link to each other with described first processor and the described first shooting module, be used for described first view data of making a video recording the module collection is carried out image processing, and described deal with data is sent to second processor that described first processor is handled again.

Preferably, described second processor is positioned on the flexible circuit board at the described first shooting module place.

Preferably, the described first shooting module comprises at least one first image unit.

Preferably, the described second shooting module comprises at least one second image unit.

Preferably, described second processor links to each other with described first processor with address bus by data/address bus.

The utility model embodiment, by increasing by second processor, data to first image unit are carried out special image processing, alleviate the burden of first processor greatly, and communicate by data/address bus and address bus and described first processor, make processing speed accelerate, improve image processing effect; Simultaneously described second processor is arranged on the flexible circuit board of the described first shooting module, under the limited situation of mobile phone internal structure, utilize the not busy complementary space on the flexible circuit board, effectively solve the location problem of the inner mainboard of mobile phone, described second processor is provided with the position near the favourable signal transmission of the design of first camera, the problem that further reduces electromagnetic compatibility and brought.

Description of drawings

In order to be illustrated more clearly in the technical scheme of the utility model embodiment, to do to introduce simply to the accompanying drawing of required use among the embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the structural representation of first embodiment of the multi-cam circuit of the utility model embodiment;

Fig. 2 is the structural representation of second embodiment of the multi-cam circuit of the utility model embodiment.

Embodiment

Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on embodiment of the present utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.

For making the purpose of this utility model, technical scheme and advantage clearer, below the utility model embodiment is further described with reference to accompanying drawing.

Fig. 1 is the structural representation of first embodiment of the multi-cam circuit of the utility model embodiment, with reference to Fig. 1, described multi-cam circuit, comprise first processor 10, second processor 11, the first shooting module 12 and the second shooting module 13, the wherein said first shooting module 12, the described second shooting module 13 are connected with described first processor 10 by inner Integration Bus respectively, and described second processor 11 is connected with the described first shooting module 12 with described first processor 10 respectively.

The described first shooting module 12 comprises at least one first image unit 121, and for convenience of description, two first image units 121 only draw among Fig. 1.In the specific implementation, described first image unit 121 is the high-pixel camera head, and described high-pixel camera head is as the main camera of portable terminal, and pixel can reach 3,000,000,5,000,000, even 8,000,000, be mainly used in and take still image all around.

The described second shooting module 13 comprises at least one second image unit 131, and for convenience of description, two second image units 131 only draw among Fig. 1.In the specific implementation, described low pixel camera unit 131 is low pixel camera head, and described low pixel camera head is as the auxilliary camera of portable terminal, and pixel is generally below 2,000,000, is mainly used in to take the user or carry out application such as video conference.

Described first processor 10 is used for the data of the described second shooting module 13 are handled and the data of the described first shooting module after 11 processing of described second processor are handled.In the specific implementation, described first processor 10 is the main control processor of portable terminal.

Described second processor 11 is used for the view data that the described first shooting module 12 is gathered is carried out image processing and the transfer of data after the described processing is arrived described first processor 10.Described second processor 11 is positioned on the flexible circuit board at the described first shooting module 12 places, under the limited situation of portable terminal internal structure, utilize the not busy complementary space on the flexible circuit board, effectively solve the location problem of the inner mainboard of portable terminal, and described second processor 11 is provided with the position near the favourable signal transmission of the design of high-pixel camera head, the problem that can further reduce electromagnetic compatibility and brought.In the specific implementation, described second processor 11 is the image coprocessor.

In the specific implementation, the user carries out IMAQ by first image unit 121 of the first shooting module 12, described acquisition of image data will be by the utilizing camera interface bus transfer to described

second processor

11,11 pairs of described acquisition of image data of described second processor are carried out special image processing and the data after the described processing are transferred to described first processor 10 by address bus and data/address bus, and the data of the described first shooting module after 10 pairs of described second processors 11 of described first processor are handled are further handled.The user carries out IMAQ by second image unit 131 of the second shooting module 13, described acquisition of image data directly arrives described first processor 10 by the utilizing camera interface bus transfer, and the 10 pairs of described second shooting module, 13 acquisition of image data of described first processor are directly handled.

Because the described first shooting module 12 comprises at least one first image unit 121, described first image unit 121 is the high-pixel camera head, be used for the high pixel image processing data acquisition, described second processor 11 is used for described high pixel image processing data are carried out special image processing, be transferred to described first processor 10 again by data/address bus after the described data processing, can alleviate the burden of described first processor 10, and described second processor 11 communicates by data/address bus and address bus and described first processor 10, data processing speed is strengthened, improve the treatment of picture effect.

Fig. 2 is the structural representation of second embodiment of the circuit of the utility model embodiment, with reference to Fig. 2, the multi-cam circuit, still comprise first processor 10, second processor 11, the first shooting module 12 and the second shooting module 13, the described first shooting module 12 includes only one first image unit 121, the described second shooting module 13 includes only one second image unit 131, so described multi-cam circuit is the dual camera circuit.The operation principle of described dual camera circuit is identical with the described multi-cam circuit of Fig. 1 with the annexation of processor with the circuit internal module.Because described first image unit 121 and described second image unit 131 are reduced to each one, can greatly alleviate the burden of described first processor 10 and described second processor 11, make processing speed faster, treatment effect is better, also can satisfy simultaneously the requirement of user to high pickup quality, and, can on motherboard layout, adjust more space multi-purpose module is set, so optimum embodiment of the present utility model is the dual camera circuit along with the minimizing of image unit.

The utility model embodiment, by increasing by second processor, data to first image unit are carried out special image processing, alleviate the burden of first processor greatly, and communicate by data/address bus and address bus and described first processor, make processing speed accelerate, improve image processing effect; Simultaneously described second processor is arranged on the flexible circuit board of the described first shooting module, under the limited situation of mobile phone internal structure, utilize the not busy complementary space on the flexible circuit board, effectively solve the location problem of the inner mainboard of mobile phone, and described second processor is provided with the position near the favourable signal transmission of the design of first camera, the problem that further reduces electromagnetic compatibility and brought.

Above disclosed only is preferred embodiment of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.

Claims

1, a kind of multi-cam circuit comprises the first shooting module, the second shooting module that is connected and is used to handle the described first shooting module and the first processor of the view data that the second shooting module is gathered, and it is characterized in that described circuit also comprises

2, circuit according to claim 1 is characterized in that, described second processor is positioned on the flexible circuit board at the described first shooting module place.

3, circuit according to claim 1 is characterized in that, the described first shooting module comprises at least one first image unit.

4, circuit according to claim 1 is characterized in that, the described second shooting module comprises at least one second image unit.

5, circuit according to claim 1 is characterized in that described second processor links to each other with described first processor with address bus by data/address bus.