Current detector

Details Current detector Current detector

1979-07-25

1982-04-20

Konick, Bernard

179 18FA, H04M 322

Patent

active

043261043

ABSTRACT:
According to the present invention there is provided a current detector useful in interconnection of an automatic telephone exchange with a central office via TIP and RING leads and comprising; rectifying apparatus coupled to the TIP lead for rectifying at least a portion of the current flowing therealong of either polarity; and detector apparatus receiving the rectified output of the rectifying means and providing a DC output signal indicating current passage along the TIP lead.

REFERENCES:
patent: 3746798 (1973-07-01), Thomas
patent: 3819866 (1974-06-01), Hawley
patent: 3829619 (1974-08-01), Close et al.
patent: 3838223 (1974-09-01), Lee et al.
patent: 4079272 (1978-03-01), Howatt
patent: 4115664 (1978-09-01), Laface et al.
patent: 4126765 (1978-11-01), Calder et al.
patent: 4158109 (1979-06-01), Dijkmans et al.
patent: 4190745 (1980-02-01), Jusinskas, Jr. et al.
C. Glowienka & F. Reiley; "Telephone On/Off Hook Detector;" IBM Technical Disclosure Bulletin; vol. 16, No. 5; Oct. 1973; pp. 1558-1559.
W. Sahm; General Electric Optoelectronics Manual; 1976; p. 72.

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