US PATENT SUBCLASS 396 / FOR 721
.~.~.~ Having follow focus control of exposure (354/421)

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

FOR 710  DF  AUTOMATIC EXPOSURE CONTROL SYSTEM OR DEVICE (354/410) {8}
FOR 713  DF  .~ Including artificial illumination system or device (354/413) {7}
FOR 720  DF  .~.~ Controlling exposure without controlling flash (354/420) {3}
FOR 721.~.~.~ Having follow focus control of exposure (354/421)

DEFINITION

Classification: 396/FOR.721

Having follow focus control of exposure: (354/421)

Subject matter under subclass FOR 720 having means for setting the distance to the subject which controls the exposure circuitry.