Image pick up apparatus
A technology of camera device and camera unit, which is applied in image communication, picture signal generator, color signal processing circuit, etc., can solve the problems of no consideration of precision and no consideration of optical characteristics of microlenses, etc., and achieve the goal of improving adjustment precision Effect
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no. 1 Embodiment approach
[0040] First, a configuration of an imaging device according to a first embodiment of the present invention will be described with reference to FIG. 1 .
[0041] Here, as an example of the imaging device, a camera system in which an interchangeable imaging lens (hereinafter referred to as an interchangeable lens) is combined with a camera body will be described as an example.
[0042] As shown in FIG. 1, the camera system as the imaging device according to the first embodiment of the present invention includes: a lens module 1, a camera module 2, a RAM 3, an image signal processing circuit 4, a microcomputer (hereinafter referred to as a microcomputer) 5, and a ROM 6. , EEPROM7, mode setting switch 8, storage medium 9, etc. The lens module 1 is disposed on the side of the interchangeable lens, and other components are disposed on the side of the camera body to which the interchangeable lens can be mounted. The lens module 1 and the camera module 2 can be freely attached or de...
no. 2 Embodiment approach
[0115] In the imaging device according to the second embodiment of the present invention, the imaging module equipped with the CCD having the WB correction coefficient correspondence table and its characteristics shown in FIG. The characteristics of the case of the CCD camera module will be described. As the CCD of this imaging module, a CCD having a narrower interval between adjacent pixels than the imaging element 2a (hereinafter referred to as a narrow-pitch module) is used.
[0116] Here, as shown in FIG. 1 , the camera module and the lens module are electrically connected through the communication unit 1d. In addition, the camera module is electrically connected to the microcomputer and ROM 3 of the camera device through the communication unit 10 . An example of the communication unit 1d and the communication unit 10 is that the camera module can be detached by being configured as a connector.
[0117] In the imaging device according to the second embodiment of the presen...
no. 3 Embodiment approach
[0124] In the imaging device according to the third embodiment of the present invention, a lens module (hereinafter referred to as a zoom lens module) equipped with a zoom lens having the WB correction coefficient correspondence table shown in FIG. The case of the WB correction coefficient correspondence table will be described.
[0125] Here, as shown in FIG. 1 , the camera module and the zoom lens module are electrically connected through the communication unit 1d. This communication part 1d is detachable by being comprised as a connector like 2nd Embodiment.
[0126] In the imaging device according to the third embodiment of the present invention, the digital gain is calculated using the WB correction coefficient correspondence table in FIG. 10 as the first table and the WB correction coefficient correspondence table in FIG. 6 as the second table. Digital gain amplifies the signal for each color. Details are given below.
[0127] The WB correction coefficient corresponde...
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