US PATENT SUBCLASS 348 / 365
.~.~.~.~.~ Contrast

Current as of: June, 1999
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348 /   HD   TELEVISION

207  DF  CAMERA, SYSTEM AND DETAIL {19}
335  DF  .~ Optics {12}
362  DF  .~.~ Exposure control {2}
363  DF  .~.~.~ Automatic control of iris, stop, or diaphragm {2}
364  DF  .~.~.~.~ Based on image signal {1}
365.~.~.~.~.~ Contrast

DEFINITION

Classification: 348/365

Contrast:

(under subclass 364) Subject matter including a device for detecting brightness differences of video signal components for determining the exposure condition.