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Solid-state image pickup apparatus, control circuit, and control method of solid-state image pickup device

A technology for solid-state imaging elements and solid-state imaging devices, which are applied in the control of exposure, electrical components, televisions, etc., can solve problems such as image blurring and image quality reduction, and achieve the effect of suppressing the reduction of image quality.

Inactive Publication Date: 2006-03-22
SANYO ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a problem that the solid-state imaging device moves during the exposure period due to hand shake or the like, and image quality degradation such as blurred images frequently occurs.

Method used

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  • Solid-state image pickup apparatus, control circuit, and control method of solid-state image pickup device
  • Solid-state image pickup apparatus, control circuit, and control method of solid-state image pickup device
  • Solid-state image pickup apparatus, control circuit, and control method of solid-state image pickup device

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Embodiment Construction

[0034] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 2 is a diagram showing a circuit configuration of a level adjustment control circuit according to the present embodiment. image 3 It is a diagram showing an example of a level adjustment region transition model performed by the level adjustment control circuit in FIG. 2 .

[0035] In this embodiment, an imaging device equipped with a CCD solid-state imaging element, and figure 1 Similarly, it is configured to include a CCD solid-state imaging element 102, a timing control circuit 104, a driver 106, an analog signal processing circuit 108, an analog / digital conversion circuit (A / D conversion circuit) 110, a digital signal processing circuit 112, and a level adjustment control circuit. 114 constitutes, each department carries out the same action with original.

[0036] Also, in the level adjustment control circuit 114 of this embodiment, the output signal from the...

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Abstract

The invention provides a solid state pick-up device, a control circuit and a control method. Two level adjustment areas for electronic diaphragm control which are required to perform by dividing level adjustment according to the electronic diaphragm control into two phases are formed; transition from a first level adjustment area according to the electronic diaphragm control to a third level adjustment area according to the electronic diaphragm control via a second level adjustment area according to at least one of analog gain control and digital gain control is performed along with conversion of the mean brightness level of a camera image from a high state to a low state.

Description

technical field [0001] The present invention relates to a solid-state imaging device suitable for adjusting the level of an output signal of a solid-state imaging device such as a video camera or a digital camera, a control circuit and a control method for a solid-state imaging element. Background technique [0002] figure 1 An example of the configuration of an imaging device 100 including a CCD solid-state imaging element is shown. The imaging device 100 is configured to include: a CCD solid-state imaging element 102, a timing control circuit 104, a driver 106, an analog signal processing circuit 108, an analog / digital conversion circuit (A / D conversion circuit) 110, a digital signal processing circuit 112, and a level adjustment circuit. control circuit 114 . [0003] When the CCD solid-state imaging device 102 is a frame transfer type, the CCD solid-state imaging device 102 has an imaging unit 102i, a storage unit 102s, a horizontal transfer unit 102h, and an output un...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/235H04N5/238G03B7/097H04N5/243H04N5/335H04N5/353H04N5/372
CPCH04N5/2352H04N23/72H04N25/00
Inventor 中井智通藤井信也高桥英树
Owner SANYO ELECTRIC CO LTD