Electronic wall switch actuator

Details Electronic wall switch actuator Electronic wall switch actuator

1987-02-20

1989-05-30

Ro, Bentsu

Electrical transmission or interconnection systems

Switching systems

Switch actuation

307140, 200 17R, H01H 4300

Patent

active

048354139

ABSTRACT:
A self-contained electronic wall switch actuator can easily be mounted directly onto the outside of the face plate of an ordinary wall switch. When so mounted, the actuator engages the wall switch's actuating lever and permits the automatic actuation of the wall switch by way of simple touch action: (i) by lightly pressing a Bypass Key, the wall switch is caused to reverse its state from ON to OFF, or from OFF to ON, whichever is appropriate; (ii) by lightly pressing a Delay Key, the wall switch is caused to enter its ON-state and to remain there for a presetable first period of time; and (iii) by lightly pressing a Cycle Key, the wall switch will, starting right then and repeatedly every 24 hours thereafter, enter its ON-state for a presetable second period of time.
The actuator comprises a small battery, a miniature electric motor with a gear/linkage mechanism operable to engage with and to move the wall switch's actuating lever between its OFF and ON positions, and a quartz-clock-based programming means.

REFERENCES:
patent: 3527956 (1970-09-01), Krakinowski
patent: 3985982 (1976-10-01), Schneidinger
patent: 3988553 (1976-10-01), Astle
patent: 4015139 (1977-03-01), Cleary et al.
patent: 4019166 (1977-04-01), Lawrence et al.
patent: 4021626 (1977-05-01), Becker
patent: 4259618 (1981-03-01), Nilssen
patent: 4430579 (1984-02-01), Wiktor
patent: 4508943 (1985-04-01), Pfeiffer et al.
patent: 4645942 (1987-02-01), Nilssen

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