Character display control circuit

Details Character display control circuit Character display control circuit

2008-04-08

2008-04-08

Yenke, Brian P. (Department: 2622)

Television

Basic receiver with additional function

For display of additional information

C348S034000, C348S577000, C348S589000, C348S687000, C345S026000, C345S467000

Reexamination Certificate

active

07355654

ABSTRACT:
A character display control circuit comprises a selection circuit to select and output, as one of the RGB signals, one of a first voltage, a second voltage lower than the first voltage, and one or more third voltages existing between the first and second voltages; a holding circuit in which first data, consisting of a plurality of bits, for the selection circuit to select and output one of the first, second, and third voltages, is set in response to display timings of the display characters; and a selection control circuit to supply the selection circuit with selection signals for the selection circuit to select and output one of the first, second and third voltages depending on the first data, second data associated with the selection of the first voltage or the second voltage, and third data associated with the selection/unselection of the third voltages.

REFERENCES:
patent: 5920355 (1999-07-01), Kim
patent: 6172719 (2001-01-01), Kim
patent: 6191760 (2001-02-01), Jun et al.
patent: 6195079 (2001-02-01), Reddy
patent: 6424341 (2002-07-01), Choi
patent: 6570577 (2003-05-01), Callway et al.
patent: 6618502 (2003-09-01), Okada et al.
patent: 2002/0008707 (2002-01-01), Ido
patent: 2003/0103143 (2003-06-01), Fujimori et al.
patent: 2004/0189574 (2004-09-01), Lee et al.
patent: 10-108088 (1998-04-01), None

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