Cathode ray tube display and television set having the same

Details Cathode ray tube display and television set having the same Cathode ray tube display and television set having the same

1996-05-28

1999-06-01

Chin, Tommy P.

Television

Video display

Cathode-ray tube

348807, 348537, 348448, 348776, 315370, H01V 2998, H04N 546

Patent

active

059092580

ABSTRACT:
In a CRT display and a television set having the same, horizontal/vertical synchronizing signals are separated from a video synchronizing signal in a synchronizing separation circuit, and position information S of a vertical frame is generated on the basis of the horizontal/vertical synchronizing signals in a count-down processor and then converted to corrected vertical frame information W in a function circuit to output a vertical deflection waveform signal and a horizontal deflection correcting waveform signal. Further, the corrected vertical frame information W is compared with predetermined voltages in comparators to detect an effective frame range in the vertical direction.

REFERENCES:
patent: 5345280 (1994-09-01), Kimura et al.
patent: 5461431 (1995-10-01), Takebuchi et al.
patent: 5506481 (1996-04-01), Wada et al.
patent: 5519447 (1996-05-01), Shima et al.
patent: 5523789 (1996-06-01), Oguchi et al.
patent: 5699123 (1997-12-01), Ebihara et al.
patent: 5712532 (1998-01-01), Ogino et al.

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