On screen display

Details On screen display On screen display

1995-12-11

1998-06-30

Burgess, Glenton B.

Television

Basic receiver with additional function

For display of additional information

348567, 348569, 348589, 348600, 348590, 345141, H04N 5278, H04N 5445

Patent

active

057741891

ABSTRACT:
The OSD includes a plurality of holding circuits for outputting to a mixing circuit pixel data for characters or patterns synchronously with a horizontal synchronization signal, wherein the pixel data for the characters or patterns to be displayed are supplied to the holding circuits by a memory through a plurality of channels, the number of which is equal to the number of the holding circuits, so that a display signal for displaying the pixel data in a plurality of display areas is generated by the mixing circuit.

REFERENCES:
patent: 3345458 (1967-10-01), Cole et al.
patent: 3911420 (1975-10-01), Lampson
patent: 4633297 (1986-12-01), Skerlos et al.
patent: 5541663 (1996-07-01), Ohno

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