Logic system and method for controlling any one of different cha

Details Logic system and method for controlling any one of different cha Logic system and method for controlling any one of different cha

1993-01-15

1995-08-08

Razavi, Michael T.

Television

Camera, system and detail

Solid-state image sensor

348230, 348426, 348441, 348458, 348459, H04N 701, H04N 5335

Patent

active

054403421

ABSTRACT:
Apparatus and method for controlling a charge coupled device (CCD) image sensor provides in accordance with a television standard horizontal and vertical CCD control signals. The apparatus includes a frequency generator, a standard timing generator, a pixel clock generator, and a small number of additional timers and logic units which are driven by signals from the generators to generate the vertical and horizontal CCD control signals. The frequency of operation of the pixel clock generator is selectable in accordance with a number of pixels per horizontal line of the CCD image sensor. Various CCD image sensors having different numbers of pixels per horizontal line may be used. The method includes generating a plurality of precisely timed pulses referenced to television standard synchronizing and control signals, and logically combining these pulses and standard signals to generate the vertical and horizontal CCD control signals.

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