Safety switch which renders high intensity discharge lamp inoper

Details Safety switch which renders high intensity discharge lamp inoper Safety switch which renders high intensity discharge lamp inoper

1977-03-15

1980-01-29

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Electric switch inside evacuated or gas filled envelope

315 74, 315106, 315117, 313 17, H01J 744, H01J 1734, H01J 2316, H01K 162

Patent

active

041863275

ABSTRACT:
An HID lamp utilizes a thin, fragile, strip-like conductor member affixed to and carried on a portion of the inner surface of the lamp protective envelope. Upon breakage of the protective envelope, the fragile conductor will break and interrupt the electrical continuity of the lamp's electrical circuit, thereby rendering the lamp inoperative.

REFERENCES:
patent: 4013919 (1977-03-01), Corbley
patent: 4013920 (1977-03-01), Petro
patent: 4032816 (1977-06-01), Rokosz
patent: 4039893 (1977-08-01), Corbley
patent: 4143301 (1979-03-01), Strauss et al.

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