US PATENT SUBCLASS 348 / 680
.~.~.~ At transmitter


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



348 /   HD   TELEVISION

571  DF  IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION {34}
671  DF  .~ Gray scale transformation {5}
678  DF  .~.~ Automatic range control (e.g., AGC, automatic contrast control) {5}
680.~.~.~ At transmitter


DEFINITION

Classification: 348/680

At transmitter:

(under subclass 678) Subject matter wherein the gain control is provided prior to transmission.