Battery-sparing retail/home circuit for a sensor

Details Battery-sparing retail/home circuit for a sensor Battery-sparing retail/home circuit for a sensor

1996-09-26

1997-11-25

Wong, Peter S.

Electrical transmission or interconnection systems

Switching systems

307115, 200168E, H01H 4700, H01H 902

Patent

active

056915780

ABSTRACT:
A battery-sparing retail/home circuit for a sensor includes first and second switch systems in parallel. The first switch system includes a first user-operable switch for energizing a first circuit. The first user-operable switch is biased to an open orientation for opening the first circuit and movable to a closed orientation for closing the first circuit. The first user-operable switch is always operable to close the first circuit. The second switch system includes a second user-operable switch in a series circuit with a sensor-operated switch. The second user-operable switch is accessible by a user only after purchase of the retail/home circuit and is movable between an off orientation opening the series circuit and an on orientation rendering the series circuit dependent on the sensor-operated switch only.

REFERENCES:
patent: 4181844 (1980-01-01), Moretto
patent: 5589747 (1996-12-01), Utke

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