Dial pulse sensor and repeater circuit

Details Dial pulse sensor and repeater circuit Dial pulse sensor and repeater circuit

1979-02-21

1980-10-28

Konick, Bernard

328164, H04Q 136

Patent

active

042309123

ABSTRACT:
A line voltage sensor and dial pulse repeater circuit for use in conjunction with a digital PABX telephone system connecting a subscriber station to a switching center providing for detection of off-hook condition of the subscriber's set, detection of irregularly shaped dial pulse and correction of the irregularly shaped dial pulses to allow accurate reconstruction of the dial pulses originally transmitted via the subscriber's set.

REFERENCES:
patent: T949003 (1976-08-01), Earle et al.
patent: 3819866 (1974-06-01), Hawley
patent: 3848094 (1974-11-01), Russell
patent: 3867567 (1975-02-01), Herron et al.
patent: 3867580 (1975-02-01), Russell
patent: 4079272 (1978-03-01), Howatt
patent: 4095125 (1978-06-01), Ingle
patent: 4126765 (1978-11-01), Calder et al.

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