US PATENT SUBCLASS 348 / 556
.~.~.~ For format with different aspect ratio

Current as of: June, 1999
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348 /   HD   TELEVISION

553  DF  BASIC RECEIVER WITH ADDITIONAL FUNCTION {4}
554  DF  .~ Multimode (e.g., composite, Y, C; baseband RF) {2}
555  DF  .~.~ For receiving more than one format at will (e.g., NTSC/PAL) {2}
556.~.~.~ For format with different aspect ratio

DEFINITION

Classification: 348/556

For format with different aspect ratio:

(under subclass 555) Subject matter including a specific circuitry to allow display of signals having different width to height ratios.

(1) Note. The receiver is normally designed to display one aspect ratio, the aspect ratio of the display, and circuitry is provided to change the second signal standard to make it displayable on the display. Examples of such signal changing include selecting a narrow aspect ratio section from a wide aspect ratio signal for display on a narrow aspect ratio display or time compressing a narrow aspect ratio signal for display on a wide aspect ratio display.