Vehicle switch

Details Vehicle switch Vehicle switch

2011-02-22

2011-02-22

Barrera, Ramon M (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Permanent magnet-actuated switches

Reexamination Certificate

active

07893800

ABSTRACT:
A vehicle switch includes a magnet mounted to an operating unit accommodated in an external packaging such that the operating unit can move linearly. A magnetic detector is placed so as to receive different strength of the magnetism from the magnet in the two cases that the operating unit is at the upper limit position and at the lower limit position. A control circuit coupled to the magnetic detector opens and closes a switching device in response to strength of the detected magnetism.

REFERENCES:
patent: 3571774 (1971-03-01), Hubrich
patent: 3668596 (1972-06-01), Hubrich
patent: 3673537 (1972-06-01), Greger
patent: 4156820 (1979-05-01), Fukuda et al.
patent: 5714728 (1998-02-01), Garneyer et al.
patent: 6522227 (2003-02-01), Mody et al.
patent: 1140360 (1997-01-01), None
patent: 2004-342437 (2004-12-01), None
patent: 2006-92777 (2006-04-01), None

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