Electric lamp and discharge devices: systems – Cathode ray tube circuits – Cathode-ray deflections circuits
Reexamination Certificate
2006-01-24
2006-01-24
Tran, Thuy Vinh (Department: 2821)
Electric lamp and discharge devices: systems
Cathode ray tube circuits
Cathode-ray deflections circuits
C315S411000, C348S380000
Reexamination Certificate
active
06989639
ABSTRACT:
In a configuration equipped with an anode current detecting resistor connected between a ground side terminal of secondary coils wound around a flyback transformer and generating a high voltage for an anode of a CRT, it is equipped with declination detecting device which detects declination of a voltage of the ground side terminal, and control device which stops an operation of a horizontal output transistor, after a state is shifted from a power OFF state to a power ON state, when the declination detecting device5does not detect declination of a voltage of the ground side terminal in case that a predetermined period has passed.
REFERENCES:
patent: 4121252 (1978-10-01), Saiki et al.
patent: 5177413 (1993-01-01), Wilber
patent: 6011593 (2000-01-01), Onozawa et al.
patent: 6108045 (2000-08-01), Onozawa et al.
patent: 9-247488 (1997-09-01), None
patent: 10-65931 (1998-03-01), None
Funai Electric Co. Ltd.
Osha & Liang LLP
Tran Thuy Vinh
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