Circuit arrangement of a staircase lighting time switch

Details Circuit arrangement of a staircase lighting time switch Circuit arrangement of a staircase lighting time switch

1982-02-16

1984-01-10

Dixon, Harold

Electric lamp and discharge devices: systems

Time-controlled

307252B, 315200R, 34030915, 340530, H05B 3702

Patent

active

044255322

ABSTRACT:
Circuit arrangement of a staircase lighting time switch offers a possibility of an automatic reduction of the light power of lamps lighting the staircase whereby the user is warned that the time of the switch is running out. The time period of full power as well as the time period of reduced power can be set separately. Each activation of the push-button switch prolongs the operation of the circuit for the operation time to which it is adjusted.

REFERENCES:
patent: 3648107 (1972-03-01), Rydborn
patent: 4160192 (1979-07-01), McAllise

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