Speed control apparatus for a DC motor

Details Speed control apparatus for a DC motor Speed control apparatus for a DC motor

1985-11-08

1988-05-03

Shoop, Jr., William M.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

330 69, 330257, 323313, 323901, 318345B, 318331, G05G 500, H02P 500

Patent

active

047422815

ABSTRACT:
A speed control apparatus for a DC motor operable with a low voltage battery has a reference voltage generating circuit capable of operable with a low voltage such as 1 V and is settable for output voltage and for temperature coefficient independently each other and has a differential amplifier which is operable with a very small input voltage and capable of operable with such a low voltage.

REFERENCES:
patent: 3560828 (1971-02-01), Kobayashi et al.
patent: 3932768 (1976-01-01), Takahashi
patent: 4047119 (1977-09-01), Ohmura
patent: 4088962 (1978-05-01), Trilling
patent: 4249122 (1981-02-01), Widlar
patent: 4319180 (1982-03-01), Nagano
patent: 4345189 (1982-08-01), Kukaya
patent: 4380728 (1983-04-01), Kearney
patent: 4396883 (1983-08-01), Holloway
patent: 4427931 (1984-01-01), Tsukihashi
patent: 4447784 (1984-05-01), Dobkin
patent: 4477752 (1984-10-01), Nakano
patent: 4495429 (1985-01-01), Oda
patent: 4532479 (1985-07-01), Blauschild
patent: 4590419 (1986-05-01), Moriarty
patent: 4610001 (1986-09-01), Ong
Patent Abstracts of Japan, vol. 7, No. 136 (E-181) (1281), Jun. 14, 1983.
Electronique et Microelectronique Industrielles, No. 162, Oct. 15, 1972, Paris, France, (C. Boisard).

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