Transistor control unit for a servo motor

Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor

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363141, 361383, H05K 720

Patent

active

043994865

ABSTRACT:
A transistor control unit for a servo motor has its control part and its power part arranged on a single printed circuit element. The control part and a cooling body, power transistors and power diodes of the power part are located side-by-side on one side of the element, the current connections being on the other side. Resistance arrays in flat rectangular housings are mounted end-on on the element with their main surfaces vertical when the element is mounted in position.

REFERENCES:
patent: 3059153 (1962-10-01), Shaffer
patent: 3228091 (1966-01-01), Rice et al.
patent: 3780798 (1973-12-01), Reimer
patent: 4027206 (1977-05-01), Lee
patent: 4177499 (1979-12-01), Volkmann
BBC-Nachrichten, 1978, H. 7, pp. 281-282.
Rim Electronic Jahrbuch, 1979, pp. 40-43, 52-53, 90, 94-95, 98-100, 124-125, 145-146, 276.

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