US PATENT SUBCLASS 348 / 364
.~.~.~.~ Based on image signal

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.~.~.~.~ Based on image signal {1}
365  DF  .~.~.~.~.~> Contrast

DEFINITION

Classification: 348/364

Based on image signal:

(under subclass 363) Subject matter including a device for analyzing the video output of the camera for determining an exposure condition.