Power supply protection arrangement

Details Power supply protection arrangement Power supply protection arrangement

2006-09-19

2006-09-19

Sircus, Brian (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

C348S730000

Reexamination Certificate

active

07110234

ABSTRACT:
In a projection television receiver, a common switch mode power supply energizes the convergence circuits, and other load circuits of the projection television receiver. In normal operation, a switch couples a supply voltage produces in the common switch mode power supply to the convergence circuits. When, as a result of a fault, a supply current in the convergence circuits is excessive, the common switch mode power supply is decoupled from the convergence circuits and other load circuits remain energized and operative.

REFERENCES:
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patent: 3818128 (1974-06-01), Chambers et al.
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patent: 4114072 (1978-09-01), Willis
patent: 4788591 (1988-11-01), Decraemer
patent: 4916366 (1990-04-01), Wilber et al.
patent: 4961032 (1990-10-01), Rodriguez-Cavazos
patent: 6373671 (2002-04-01), Watanabe et al.
patent: 6667461 (2003-12-01), Cogan
Copy of Search Report Dated Jun. 1, 2003.

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