Electric lamp and discharge devices: systems – Time-controlled
Patent
1979-08-20
1981-02-03
LaRoche, Eugene R.
Electric lamp and discharge devices: systems
Time-controlled
315307, 355 69, H05B 3700, G03B 2772
Patent
active
042491118
ABSTRACT:
An automatic lamp shutdown circuit, which comprises a lamp, a line-voltage compensation control circuit for the lamp, and an automatic shutdown circuit operatively connected to the line-voltage compensation control circuit for turning the lamp off after the lamp has been on for a pre-determined amount of time.
REFERENCES:
patent: 3600610 (1971-08-01), Kelsch et al.
patent: 3689141 (1972-09-01), Gray
LaRoche Eugene R.
Pitney Bowes Inc.
Scribner Albert W.
Sklar Lawrence E.
Soltow, Jr. William D.
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