Image pick-up device

Details Image pick-up device Image pick-up device

1992-06-30

1994-05-03

Mancuso, Joseph

Television

Camera, system and detail

With plural image scanning devices

359563, 348342, H04N 5225

Patent

active

053092392

ABSTRACT:
An image pick-up device with an electronic image sensor (IS.sub.1 IS.sub.2) is described, which includes a matrix of sensor elements (SE) and a low-pass filter for suppressing image frequencies exceeding the sampling frequency of the sensor. The low-pass filter has a first, composite filter function (F.sub.com) consisting of a variable component and a constant component and the device has a second filter function (F.sub.c) in conformity with the constant component which is optically or electronically subtracted from the first filter function.

REFERENCES:
patent: 3546374 (1970-12-01), Grasser
patent: 3573353 (1971-04-01), Henriques et al.
patent: 4575193 (1986-03-01), Greivenkamp
patent: 4971409 (1990-11-01), Yeh et al.
patent: 4998800 (1991-03-01), Nishida et al.
patent: 5132802 (1992-07-01), Osthues et al.

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