Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Patent
1993-06-04
1994-07-12
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
354402, 348230, 348345, G01J 120
Patent
active
053291093
ABSTRACT:
A photoelectric converting device includes plurality of charge storage type photoelectric converting elements which are divided into a plurality of groups. A plurality of monitoring sections are respectively provided for the divided photoelectric converting element groups to output monitor signals corresponding to amounts of lights received by the photoelectric converting element groups. A first charge storage interruption section interrupts the charge storage operation of a corresponding one of the photoelectric converting element groups in a case where the monitor signal has reached a preset value after the photoelectric converting elements started the charge storage operation. A second charge storage interruption section forcedly interrupts the charge storage operation of the photoelectric converting element groups in a case where the charge storage operation is not interrupted by the first charge storage interruption section when a preset time has elapsed after the charge storage operation was started. A correcting section corrects an output of each of the plurality of photoelectric converting element groups to make the outputs of the photoelectric converting elements continuous in a case where the charge storage operations of the plurality of photoelectric converting element groups are interrupted at different timings by the first charge storage interruption section.
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Le Que T.
Nelms David C.
Olympus Optical Co,. Ltd.
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