Apparatus for detection of rotational angle and number of rotati

Details Apparatus for detection of rotational angle and number of rotati Apparatus for detection of rotational angle and number of rotati

1976-03-30

1977-10-11

Tokar, M.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324 34PS, 73136A, G01R 3300

Patent

active

040538265

ABSTRACT:
The specification discloses a first and a second rotary disk fixed together, each disk having a magnetic pole on its circumference, which disks rotate in the vicinity of a fixed magnetic head; the fixed magnetic head provides an electrical output signal each time a magnetic pole passes near it and, thus, said electrical output signal indicates a rotational angle and/or the number of rotations of said disk. Said magnetic head operates on a new principle developed from parametric excitation.

REFERENCES:
patent: 2621514 (1952-12-01), Waugh
patent: 3194065 (1965-07-01), Wilson
patent: 3573619 (1971-04-01), Ivec
patent: 3673584 (1972-06-01), Farrand
patent: 3742243 (1973-06-01), Gamble
patent: 3854086 (1974-12-01), Watanabe

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