Timing signal generating apparatus for rotating devices

Details Timing signal generating apparatus for rotating devices Timing signal generating apparatus for rotating devices

1986-06-05

1988-05-31

Caldwell, Sr., John W.

Communications: electrical

Continuously variable indicating

Using a particular modulation

34087031, 324166, 73119A, G08B 2900

Patent

active

047484470

ABSTRACT:
In a timing signal generating apparatus for generating a timing signal showing that a rotating member has reached a target rotational angle position, the apparatus comprises a first generator for generating scale pulses every time the rotating member rotates N degrees, a second generator for generating a reference pulse used for discriminating a prescribed scale pulse from other scale pulses, and a calculator for performing a calculation in which a target rotational angle position of the rotating member is the dividend and N is the divisor and outputs first and second calculation data representing the quotient A and the remainder B respectively. The apparatus is responsive to the reference pulse, the scale pulses and the result of the first calculator and produces a first timing pulse indicating the timing when the rotating member has assumed a rotational angle position indicated by N.times.A degrees and produces a second timing pulse with a pulse width determined according to the second calculation data in response to the first timing pulse.

REFERENCES:
patent: 4158305 (1979-06-01), Shipley
patent: 4262251 (1981-04-01), Fujishiro et al.
patent: 4296471 (1981-10-01), Goux
patent: 4356447 (1982-10-01), Honig et al.
patent: 4485452 (1984-11-01), Cording et al.
patent: 4572122 (1986-02-01), Kamai et al.

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