Voice coil actuator positioning amplifier

Details Voice coil actuator positioning amplifier Voice coil actuator positioning amplifier

1988-06-20

1989-12-05

Shoop, Jr., William M.

Electricity: motive power systems

Positional servo systems

With particular motor control system responsive to the...

318293, 318599, 318681, 363 41, 363 98, 180 791, G05F 100

Patent

active

048855170

ABSTRACT:
A signal amplifier including a bridge output stage, a comparator stage arranged to control a first part of the output stage in accordance with the polarity of an input signal, and a modulating stage arranged to control a second part of the output stage in accordance with the magnitude and polarity of the input signal. The signal amplifier is particularly suitable for fabrication as an integrated circuit.

REFERENCES:
patent: 4066945 (1978-01-01), Korte
patent: 4528514 (1985-07-01), Quackerbush
patent: 4568863 (1986-02-01), Ruof
patent: 4719396 (1988-01-01), Shimizu

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