US PATENT SUBCLASS 348 / 445
.~ Conversion between standards with different aspect ratios

Current as of: June, 1999
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441  DF  FORMAT CONVERSION {9}
445.~ Conversion between standards with different aspect ratios

DEFINITION

Classification: 348/445

Conversion between standards with different aspect ratios:

(under subclass 441) Subject matter wherein input and output signals have different width to height ratios and the conversion adjusts the ratios.

(1) Note. Examples herein are systems that select the standard 4:3 aspect ratio of a wide aspect ratio signal or systems that fill in the top and bottom of a 4:3 aspect ratio (e.g., letter box) to display a wide aspect ratio signal.