Multimedia television receiver

Details Multimedia television receiver Multimedia television receiver

1997-02-18

1999-08-10

Peng, John K.

Television

Basic receiver with additional function

Multimode

315403, H04N 327

Patent

active

059366800

ABSTRACT:
A pump-up circuit includes a first capacitor C1 connected to the power supply Vcc via a first change-over switch SW1 to the reference potential point or a second capacitor C2. The second capacitor C2 is charged by the voltage control circuit 45 under the control of the pump-up voltage control signal so that the capacitors C1 and C2 are charged respectively during the scanning period. Upon input of a NTSC signal, the change-over switch SW1 is connected to the reference potential point and the charging voltage of the first capacitor C1 is used as the pump-up voltage. Upon input of a signal having a short vertical flyback period such as the signal from personal computers, the total of the charging voltages at the first and second capacitors C1 and C2 is used as the pump-up voltage.

REFERENCES:
patent: 3784857 (1974-01-01), Christopher
patent: 3969653 (1976-07-01), Fukaya
patent: 4179643 (1979-12-01), Neuendorff
patent: 4184106 (1980-01-01), Schaas
patent: 4234893 (1980-11-01), Peters
patent: 4293803 (1981-10-01), Fitzgerald
patent: 4342095 (1982-07-01), Goodman
patent: 4361785 (1982-11-01), Stapleton
patent: 4400653 (1983-08-01), Olmstead
patent: 4660084 (1987-04-01), Filliman et al.
patent: 4668897 (1987-05-01), Haferi
patent: 4673984 (1987-06-01), Kikuchi et al.
patent: 4679091 (1987-07-01), Kikuchi et al.
patent: 4686430 (1987-08-01), Jennings, Jr.
patent: 4737691 (1988-04-01), Den Hollander et al.
patent: 4782269 (1988-11-01), Haferi
patent: 5021719 (1991-06-01), Arai et al.
patent: 5157310 (1992-10-01), Matsuo
patent: 5198731 (1993-03-01), Wu
patent: 5270821 (1993-12-01), Samuels
patent: 5287043 (1994-02-01), Brag
patent: 5304898 (1994-04-01), Kataoka et al.
patent: 5410222 (1995-04-01), Flickner
patent: 5519445 (1996-05-01), Ohira
patent: 5638132 (1997-06-01), Hokari et al.
patent: 5712532 (1998-01-01), Ogino et al.
patent: 5770930 (1998-06-01), Itoi
Patent Abstracts of Japan vol. 017, No. 183 (E-1348), Apr. 9, 1993 & JP 04 334271 A (Toshiba Corp; Others: 01), Nov. 20, 1992.
Patent Abstracts of Japan vol. 015, No. 018 (E-1023), Jan. 16, 1991 & JP 02 266691 A (Sharp Corp), Oct. 31, 1990.

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