System having a fixed excitation and providing a variable ratio

Details System having a fixed excitation and providing a variable ratio System having a fixed excitation and providing a variable ratio

1978-05-09

1980-02-26

Gruber, Felix D.

Boots, shoes, and leggings

364850, G06J 100, G06G 716

Patent

active

041908910

ABSTRACT:
A system for providing a variable ratio output signal includes differential amplifier means for measuring the amplitude of a fixed reference signal relative to system ground. The measured signal is combined with a variable ratio command signal and a feedback signal to provide an output signal having a variable ratio amplitude relative to the fixed reference signal.

REFERENCES:
patent: 3177350 (1965-04-01), Abbott et al.
patent: 3882488 (1975-05-01), Kosakowski et al.
patent: 4076424 (1978-02-01), Ida

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