Electricity: motive power systems – Periodic – repetitious or successive operations control of...
Patent
1975-10-20
1977-12-06
Schaefer, Robert K.
Electricity: motive power systems
Periodic, repetitious or successive operations control of...
H02P 510
Patent
active
040619516
ABSTRACT:
A transistor circuit including a capacitor charging circuit and an actuator such as an electric motor provides a two part cyclic timing circuit, one part being one complete revolution of the motor and the other part being the charging time of the capacitor. The entire device is designed to run for an extended period on two dry cells. Practically no current is drawn while the motor is at rest contributing to a long battery life.
REFERENCES:
patent: 3796936 (1974-03-01), Kearns
Barber Alfred W.
Feldhaus John J.
Schaefer Robert K.
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