Electrical isolation circuit

Details Electrical isolation circuit Electrical isolation circuit

1984-02-03

1987-07-07

Miller, Stanley D.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307514, 250551, 455602, H03K 342, G02B 2700, G02F 100

Patent

active

046789375

ABSTRACT:
A circuit provides electrical isolation from an input signal which has a leading edge and a trailing edge. On the leading edge of the input signal, a first signal is transmitted across an isolation device to provide a first isolated signal representative of the leading edge of the input signal. On the trailing edge of the input signal, a second signal is transmitted across the isolation device to provide a second isolated signal representative of the trailing edge of the input signal. The first and second isolated signals are electrically isolated from and representative of the input signal.

REFERENCES:
patent: 2794123 (1957-05-01), Younker
patent: 2931981 (1960-04-01), Schabauer
patent: 4075474 (1978-02-01), Staus et al.
patent: 4140914 (1979-02-01), Jones
patent: 4262220 (1981-04-01), Delacruz
patent: 4292551 (1981-09-01), Kolmann
patent: 4504974 (1985-03-01), Rademaker
Hodapp, Mark, "Optical Isolators Yield Benefits in Many Linear Circuits", Electronics, vol. 49, No. 5, Mar. 4, 1976, pp. 105-110.
Voynovich, B., "Optical Isolator", New Electronics, vol. 10, No. 15, Jul. 26, 1977, p. 15.

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