Horizontal scanner for image sensor arrays

Details Horizontal scanner for image sensor arrays Horizontal scanner for image sensor arrays

1987-04-02

1989-05-16

Hix, L. T.

Facsimile and static presentation processing

Facsimile

Recording apparatus

35821322, 35821326, 35821331, H04N 514

Patent

active

048314510

ABSTRACT:
A horizontal scanner (30) is formed on-chip with a sensor array (12). The scanner comprises a plurality of stages (114, 116) that preferably each have only four transistors (132, 122, 140 and 118). In one embodiment, dual sense lines (50, 52) are provided and a clocking scheme is used such that a clock signal (.phi..sub.1, .phi..sub.2) is used to address one sense line (50) while resetting the other sense line (52) by means of reset circuitry (32). The scanner (30) of the invention is adaptable to be used with imagers having electronic zooming and planning features, and is further adaptable in use for dual-line readout, three-phase (RGB) readout, and multiple-phase readout applications.

REFERENCES:
patent: 4011402 (1977-03-01), Koike et al.
patent: 4466018 (1984-08-01), Soneda et al.

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