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Frame transfer CCD (Charge Coupled Device) with multiple working modes and control method thereof

A working mode and frame transfer technology, which is applied to color TV parts, TV system parts, TVs, etc., can solve the problems of narrow application range, single CCD working mode of C frame transfer, etc., and achieve the effect of reducing power consumption

Active Publication Date: 2022-03-08
THE 44TH INST OF CHINA ELECTRONICS TECH GROUP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a kind of frame transfer CCD with multiple working modes and its control method, to solve the problem that the working mode of C frame transfer CCD in the prior art is single, and the scope of application is narrower

Method used

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  • Frame transfer CCD (Charge Coupled Device) with multiple working modes and control method thereof
  • Frame transfer CCD (Charge Coupled Device) with multiple working modes and control method thereof
  • Frame transfer CCD (Charge Coupled Device) with multiple working modes and control method thereof

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Embodiment 1

[0026] Such as figure 1 As shown, it is a schematic structural diagram of the frame transfer CCD with multiple working modes in this embodiment. The multiple working modes referred to by the frame transfer CCD with multiple working modes in this embodiment specifically include the full frame transfer mode and the conventional frame transfer mode of the frame transfer CCD. Specifically, the frame transfer CCD with multiple working modes of this embodiment includes a first horizontal transfer area 1, a photosensitive area 2, a storage area 3 and a second horizontal transfer area 4 arranged in sequence from top to bottom, and the photosensitive area 2 is used to convert light signals into photocharges through the photoelectric effect after receiving light, the storage area 3 is used to receive and store the photocharges transferred from the photosensitive area 2, the first horizontal transfer area 1 and the second horizontal transfer area The transfer regions 4 are independent o...

Embodiment 2

[0031] Such as figure 2 As shown, it is a flow chart of the control method of the frame transfer CCD with multiple working modes in this embodiment. The control method of the frame transfer CCD with multiple operating modes of the present embodiment includes a first horizontal transfer area 1, a photosensitive area 2, a storage area 3, and a second horizontal transfer area 4 that are identical or similar in structure and function to that of embodiment 1. , the first vertical drive clock, the second vertical drive clock, the first horizontal drive pulse and the second horizontal drive pulse, which can pass the first vertical drive clock, the second vertical drive clock, the first horizontal drive pulse and the second horizontal drive pulse The matching control frame transfer CCD works in full frame transfer mode or regular frame transfer mode. The control method of the present embodiment includes:

[0032] Firstly, both the first vertical driving clock and the second vertica...

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Abstract

The invention discloses a frame transfer CCD (Charge Coupled Device) with multiple working modes and a control method thereof, comprising a first horizontal transfer area, a photosensitive area, a storage area and a second horizontal transfer area which are sequentially arranged from top to bottom, the photosensitive area is electrically connected with a first vertical driving clock which drives photoelectric charges generated by the photosensitive area to be vertically and upwards transferred to the first horizontal transfer area or vertically and downwards quickly transferred to the storage area, and the storage area is electrically connected with a second vertical driving clock which drives the photoelectric charges to be vertically and downwards quickly transferred to the second horizontal transfer area. The first vertical driving clock and the second vertical driving clock are matched to control the photoelectric charge to be output from one of the first horizontal transfer area or the second horizontal transfer area so as to control the frame transfer CCD to work in one of a full-frame transfer mode or a conventional frame transfer mode, so that a corresponding working mode is selected according to the requirement of a working scene; therefore, the application range of the frame transfer CCD is widened.

Description

technical field [0001] The invention relates to the technical field of CCD image sensors, in particular to a frame transfer CCD with multiple working modes and a control method thereof. Background technique [0002] As an important branch of area array CCD, frame transfer CCD has been widely used in photoelectric imaging fields such as astronomical observation and space remote sensing. The existing frame transfer CCD is mainly composed of a photosensitive area, a storage area, a horizontal CCD in the storage area, and an output amplifier in the storage area; under the action of the vertical drive pulse in the photosensitive area, the optical signal generated by the photosensitive area can only go to the storage area after the integration is completed. The direction of vertical transfer is downward, so that the existing frame transfer CCD can only realize the conventional frame transfer mode but cannot realize other modes such as full frame transfer, and cannot meet the requi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/372
CPCH04N25/71
Inventor 杨洪白雪平周亚军何昌海
Owner THE 44TH INST OF CHINA ELECTRONICS TECH GROUP CORP