Motor having frequency generator

Details Motor having frequency generator Motor having frequency generator

Filed on

1988-06-24

Date issued

1990-02-20

Examiner

Salce, Patrick R.

Patent Class

Electrical generator or motor structure

SubClass

Dynamoelectric

SubSubClass

Rotary

Other Related Categories

310 71, 310DIG6, H02K 1100

Type

Patent

Status

active

Patent number

049029231

Description

ABSTRACT:
There is provided a motor having a frequency generator comprising a frequency generating base plate on which a frequency generating coil pattern and a land are formed, in which a signal of the frequency proportional to the rotational speed of a rotary driving apparatus which is generated from the frequency generating coil pattern is output from the land to another base plate. The land is formed in the frequency generating coil pattern.

REFERENCES:
patent: 3283265 (1966-11-01), Ringelhaan
patent: 3295083 (1966-12-01), Fiore
patent: 3796899 (1973-03-01), Giachello
patent: 3976965 (1976-08-01), Remus
patent: 4093897 (1978-06-01), Fujita
patent: 4109170 (1978-08-01), Fujita et al.
patent: 4151608 (1979-04-01), Saito et al.
patent: 4260920 (1981-04-01), Nakamura
patent: 4366405 (1982-12-01), Schmider
patent: 4517480 (1985-05-01), Muller
patent: 4611138 (1986-09-01), Kindig
patent: 4642497 (1987-02-01), Boyd, Jr.
patent: 4737675 (1988-04-01), Maemine et al.

Affiliated with

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