Electromagnetic feeder drive control apparatus

Details Electromagnetic feeder drive control apparatus Electromagnetic feeder drive control apparatus

1984-09-11

1986-12-02

Gellner, Michael L.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

Systems for magnetizing, demagnetizing, or controlling the...

361205, H01H 4732

Patent

active

046269568

ABSTRACT:
An electromagnetic feeder drive control apparatus includes a drive control circuit composed of a microcomputer for producing a timing signal to control the on/off timing of a switching element on the basis of a signal produced by a sensor upon sensing that the power supply voltage has crossed a value of zero. A photocoupler is interposed between the sensor and the drive control circuit, and between the drive control circuit and the switching element.

REFERENCES:
patent: 3799280 (1974-03-01), Aarts
E.D.N. Electrical Design News, "Counter Scheme Provides AC-Mains Control", by Patil, vol. 27, No. 13, Jun. 1982, p. 193.
Micro-Shop Bodensee, Markdorf, "Microprocessor Interface Techniken", by Austin Lesea et al., 1979 p. 111.
Aufbereitungs-Technik, "Moderne Steuer- und Regeltechnik fur Fordergerate mit Magnetantrieb", by H. W. Hockel, No. 8, 1976, pp. 381-385.
EDN Magazine, "Three ICs Control Triacs Digitally", by J. R. Bryttan, No. 13, Jun. 24, 1981, pp. 192-193.
Electronic Components & Applications, "Microprocessor-Based Phase Controller-The `Look-Back` System", by Gilliam, vol. 4, No. 4, Aug. 1982, pp. 207-214.

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