Timing logic system and method for selectably controlling a high

Details Timing logic system and method for selectably controlling a high Timing logic system and method for selectably controlling a high

1994-09-13

1996-02-06

Groody, James J.

Television

Synchronization

Sync generation

348322, 348312, 348222, 348522, 348555, H04N 506, H04N 5067

Patent

active

054899451

ABSTRACT:
A timing logic system which includes a generic television-standard timing generator selectably provides precisely timed horizontal and vertical control signals for controlling the operation of a high resolution charge coupled device (CCD) image sensor of the type having two line pixel registers in a high resolution mode of picture imaging. Alternatively, the timing logic system selectably provides precisely timed horizontal and vertical control signals, and a precisely timed display field control signal applied to a switch mechanism, for controlling the operation of the high resolution CCD image sensor in a television resolution mode of picture imaging in accordance with a television standard, for example, the NTSC standard. The timing logic system also provides sync and control signals to a television-standard display in the television mode of operation. In both the high resolution mode and the television mode of operation, the timing logic system provides the respective horizontal and vertical control signals to the CCD image sensor so that both line pixel registers are operative.

REFERENCES:
patent: 4949183 (1990-08-01), Stevens
patent: 5264939 (1993-11-01), Chang
patent: 5321509 (1994-06-01), Kannegundla
Bernard Grob, Basic Television and Video Systems, McGraw Hill, N.Y., 5th Ed., 1984.

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