Apparatus for detecting the amount of movement of a member to be

Details Apparatus for detecting the amount of movement of a member to be Apparatus for detecting the amount of movement of a member to be

1983-06-23

1985-11-19

Heyman, John S.

Electrical pulse counters, pulse dividers, or shift registers: c

Applications

Position determining

307517, 354400, 377 24, G03B 700, G01B 700

Patent

active

045546746

ABSTRACT:
This specification discloses an apparatus for detecting and counting the pulse from a monitor signal source which repetitively forms a pulse in association with a member to be controlled and thereby detecting the amount of movement of the member to be controlled. In the apparatus, depending on whether the pulse put out from the monitor signal source for the first time starts from a rising signal or from a falling signal, the count mode of the pulse is made into a falling pulse count mode or a rising pulse count mode, thereby ensuring accurate detection of the amount of movement to be accomplished.

REFERENCES:
patent: 3661464 (1972-05-01), Hubbard
patent: 4086581 (1978-04-01), Ito et al.
patent: 4089011 (1978-05-01), Date et al.
patent: 4210393 (1980-07-01), Ishiguro et al.
patent: 4486891 (1984-12-01), Kimoto et al.

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