Two-dimensional bandwidth compensating circuit for an endoscope

Details Two-dimensional bandwidth compensating circuit for an endoscope Two-dimensional bandwidth compensating circuit for an endoscope

1985-08-30

1986-12-30

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

128 6, 358138, 358160, A61B 104, A61B 106, H04N 514

Patent

active

046333037

ABSTRACT:
In an endoscope using for an imaging means a solid state image pick-up device with light receiving elements arranged two-dimensionally, deterioration of the imaging resolution two-dimensionally is prevented by providing frame memories to read the imaging signals time-serially along each array direction of the light receiving elements, low pass filters to cut the higher harmonics in the signals read time-serially along each array direction and bandwidth compensating circuits to compensate the bandwidths in each array direction.

REFERENCES:
patent: Re31289 (1983-06-01), Moore et al.
patent: Re31290 (1983-06-01), Moore et al.
patent: 4480636 (1984-11-01), Karaki
patent: 4551753 (1985-11-01), Nishizawa

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