专利汇可以提供Charge transfer device专利检索,专利查询,专利分析的服务。并且PURPOSE: To operate the device higly accurately in a suitable sensitivity region regardless of the intensity of the light signal to an image sensor, by detecting the optical state of the device in real time, and performing automatic gain control (AGC).
CONSTITUTION: A numeral 8 indicates a horizontal shift register HR, a numeral 9 indicates a driving transistor and a numeral 10 indicates an automatic gain control means having an amplifier. When a light signal is inputted hv to an image sensor, the electric charge generated in a photodiode 2 flows into a potential well in a storage gate 4. The charge is stored once. Therefore, the intensity of the incident light can be found by the storing speed of the charge. The automatic gain control means 10, which detects the decreasing rate of the potential of the storage gate 4, is connected, and the signal is sent to a timing system. The charge storing time is adjusted so that the time is short when the incident light is intense and the time is long when the incident light is weak. Thus the charge transfer device having the sensitivity corresponding to the intensity of the light signal is obtained.
COPYRIGHT: (C)1985,JPO&Japio,下面是Charge transfer device专利的具体信息内容。
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