Electricity: motive power systems – Automatic and/or with time-delay means – Radiant energy
Patent
1983-03-11
1984-07-10
Weldon, Ulysses
Electricity: motive power systems
Automatic and/or with time-delay means
Radiant energy
318313, G05B 500
Patent
active
044595239
ABSTRACT:
A motor speed control is disclosed herein. The speed control includes a photoelectric array and a control member situated within a housing. The photoelectric array provides a discreet, regulated voltage in accordance with the position of the control member, and a control circuit sets the motor speed based upon the level of the regulated voltage.
REFERENCES:
patent: 3659187 (1972-04-01), Lamorlette
patent: 3859617 (1975-01-01), Oka et al.
patent: 3961177 (1976-06-01), Hatchett
Evans Alfred J.
Harrod Melvin L.
Misner, Jr. Raymond H.
Tipper Tie, Inc.
Weldon Ulysses
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