Over voltage protection circuit

Details Over voltage protection circuit Over voltage protection circuit

1974-04-26

1976-01-06

Miller, J. D.

317 33R, 321 11, H02H 710

Patent

active

039315487

ABSTRACT:
An over voltage protection circuit for preventing excessive high voltages which exceed the X-ray isodose limits for human beings when the high voltage primary winding, the tuning coil, or the high voltage primary driving winding opens. The B+ voltage for the driving oscillator or horizontal driver is derived at a point in the circuit such that when circuit elements fail, the B+ voltage is removed thus turning off the drive to the high voltage circuit.

REFERENCES:
patent: 3395313 (1968-07-01), Rogers
patent: 3611002 (1971-10-01), Wedham
patent: 3621123 (1971-11-01), Hirota et al.
patent: 3814851 (1974-06-01), Yutaka et al.
patent: 3828239 (1974-08-01), Nagal et al.

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