Disconnect means for capacitor ballast incandescent lamp

Details Disconnect means for capacitor ballast incandescent lamp Disconnect means for capacitor ballast incandescent lamp

1982-06-11

1984-09-25

Moore, David K.

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Automatic shunt circuit closing or cut-out switch

315 71, 315119, 200 5109, 200 5114, H01J 744, H01R 3330

Patent

active

044737769

ABSTRACT:
An incandescent lamp possessing a ballast circuit comprising a resistor and capacitor in parallel further includes means for interrupting the connection between the ballast and external contacts provided on the base of the lamp. This interruption occurs upon removal of the lamp from its matching socket to prevent the occurrence of capacitor voltage across the external lamp contacts. The circuit is again closed upon reinsertion of the lamp in the matching socket to permit normal lamp operation.

REFERENCES:
patent: 3895195 (1975-07-01), Morrison et al.

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