Rotation sensor

Details Rotation sensor Rotation sensor

1978-08-21

1981-06-23

Thesz, Joseph M.

Registers

Platform operated

Platform actuated traffic counters

7386177, G01F 106

Patent

active

042752914

ABSTRACT:
The disclosed rotation sensors involve a first poled magnetic device that rotates with the part whose rotation is to be sensed, a second poled magnetic device coaxial with the first, magnetically induced to rotate in unison with the first magnetic device, and a sensing element disposed between the circular paths of the poles of the magnetic devices. In one form, the sensing element is a Hall-effect device. In a second form, the sensing element is a winding that provides both a rotation signal and electrical energization for local circuit equipment responsive to the signal.

REFERENCES:
patent: 3636767 (1972-01-01), Duffy
patent: 3701277 (1972-10-01), McMahon et al.
patent: 3783248 (1974-01-01), Sugden
patent: 3866469 (1975-02-01), Wemyss
patent: 3949606 (1976-04-01), Blancett
patent: 4023410 (1977-05-01), Althaus
patent: 4140013 (1979-02-01), Hunger

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