Pulse detector for counting dial generated pulses

Details Pulse detector for counting dial generated pulses Pulse detector for counting dial generated pulses

1987-10-30

1989-09-19

Ng, Jin F.

Telephonic communications

Supervisory or control line signaling

Signal receiver

379372, 379377, H04Q 130

Patent

active

048688738

ABSTRACT:
A pulse detector system for reliably counting pulse signals generated by calling party telephone dials. The system includes generating a dial pulse template based on a sample train of pulses. A preferred embodiment uses a pulse amplitude template comprising an amplitude histogram.

REFERENCES:
patent: 3879583 (1975-04-01), Rooks
patent: 3927264 (1975-12-01), Fish et al.
patent: 3935392 (1976-01-01), Smith et al.
patent: 4013838 (1977-03-01), Tsai
patent: 4501003 (1985-02-01), Miller
"Dial Pulse Detector", Bringol et al., IBM Technical Disclosure Bulletin, vol. 18, No. 4, Sep. 1975.

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