Image signal reproduction circuit for solid-state image sensor

Details Image signal reproduction circuit for solid-state image sensor Image signal reproduction circuit for solid-state image sensor

1984-03-20

1986-06-17

Rubinson, Gene Z.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358209, H04N 314

Patent

active

045959544

ABSTRACT:
In an image sensing system, a solid-state image sensor is mounted on a vibration stand in a manner as to vibrate horizontally to an incoming light in synchronization with one frame period, thereby sensing while alternatively displacing at different sampling positions in two field periods. Field image signals from the image sensor is supplied, through a signal processor, to a signal reproduction unit which includes a carrier generator for producing first and second carrier signals having the same frequency as the horizontal readout frequency of the image sensor and a phase in reverse to one other in the field periods, and an AM modulator for amplitude-modulating the carrier signal. The amplitude modulation field signals thus obtained are sliced at a suitable level by a slicer and then synthesized each other to obtain a frame image signal.

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