Speed sensor device

Details Speed sensor device Speed sensor device

1984-01-13

1986-06-17

Scott, J. R.

Electricity: magnetically operated switches, magnets, and electr

Permanent magnet-actuated switches

324174, 200 52R, H01H 900

Patent

active

045958971

ABSTRACT:
A magnetic sensing device which includes a reed switch installed in a housing of synthetic resin and electrically connected with an automobile body. The device further includes a metal plate member having a projection fitted into the housing, the reed switch being electrically connected with a control circuit at a first end thereof and which is electrically connected with the metal plate member at a second end thereof, and a mechanism for grounding current from the reed switch to a portion of an automobile body through the metal plate member.

REFERENCES:
patent: 1921273 (1933-08-01), Wald
patent: 3630347 (1971-12-01), Davis
patent: 4004271 (1977-01-01), Haven et al.
patent: 4337652 (1982-07-01), Matsuda et al.
patent: 4463312 (1984-07-01), Oda et al.

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