Power and signal transfer interface circuit

Details Power and signal transfer interface circuit Power and signal transfer interface circuit

1989-12-04

1990-07-17

Wong, Peter S.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

340448, 340643, 731464, 731465, 363 89, H02M 7217, B60C 2300

Patent

active

049425102

ABSTRACT:
An interface circuit serves to rectify excitation energy inductively coupled to a transistor acting in a diode configuration to charge a reservoir capacitor which may then serve as a power source. Switch means under the control of an external functional circuit block is arranged to bias the transistor into a reverse operating mode to itself act as a switch to discharge energy from the reservoir into the coupling. In this way pulses may be back coupled to be detected at the excitation source. The timing of the back coupled pulses may be information bearing.

REFERENCES:
patent: 2953738 (1960-09-01), Bright
patent: 3582758 (1971-06-01), Gunn
patent: 4323962 (1982-04-01), Steigerwald
patent: 4467641 (1984-08-01), Abraham
patent: 4672527 (1987-06-01), Lagadez et al.
patent: 4683415 (1987-07-01), Zimmerman
patent: 4716514 (1987-12-01), Patel
patent: 4737761 (1988-04-01), Dosjoub et al.
patent: 4806843 (1989-02-01), Mertens et al.

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