Anti dazzle device for a charge transfer image sensor and an ima

Details Anti dazzle device for a charge transfer image sensor and an ima Anti dazzle device for a charge transfer image sensor and an ima

1987-12-14

1989-04-04

Ng, Jin F.

Facsimile and static presentation processing

Facsimile

Recording apparatus

35821326, 357 24, H04N 314

Patent

active

048190721

ABSTRACT:
An antidazzle image sensor having an assembly of photosensitive elements in which charges are released by light and antidazzle drains coupled respectively to each one of the photosensitive elements for draining away excess charges released during a phase in which charges are accumulated in the photosensitive elements. At least one charge transfer reading register, which is coupled to each photosensitive element assembly, is used so that the charges released in each photosensitive element assembly are transferred to the charge transfer reading register and subsequently shifted by this register to a series output. An auxiliary register is used in order to collect excess charges which are released by light during the time when charges are being transferred from the photosensitive elements to the reading register. The auxiliary register also functions to shift these transfer charges towards a drain.

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