Electric lamp and discharge devices: systems – Plural control stations
Patent
1977-05-16
1981-03-31
La Roche, Eugene R.
Electric lamp and discharge devices: systems
Plural control stations
307115, 315199, 315299, 315362, H05B 3702, H05B 3906
Patent
active
042596190
ABSTRACT:
A three-way light dimmer switch is shown wherein the brightness of a lamp or lamps is controlled by independent light dimmer switches with each dimmer switch having its own light dimmer circuit. Each of the light dimmer switches is vertically actuated with one end of the vertical movement turning the lamp or lamps ON, and the other end of the vertical movement turning the lamp or lamps OFF. Between the limits of vertical movement, either of the light dimmer switches may vary the voltage potential received by the lamp to thereby adjust the brightness of the lamp.
REFERENCES:
patent: 3011095 (1961-11-01), Kriechbaum
patent: 3037146 (1962-05-01), Slater
patent: 3534224 (1970-10-01), Skirpan et al.
patent: 3846671 (1974-11-01), Johnson
patent: 3868546 (1975-02-01), Gilbreath et al.
patent: 3893002 (1975-07-01), Woodnutt
La Roche Eugene R.
Power Controls Corporation
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