H - Electricity – 04 – M
Patent
H - Electricity
04
M
379/19
H04M 1/31 (2006.01) H04Q 1/36 (2006.01)
Patent
CA 1135886
TITLE A DIAL PULSE SENSOR AND REPEATER CIRCUIT ABSTRACT OF THE DISCLOSURE 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 trans- mitted via the subscriber's set.
345275
Lee David Q.
Rovnyak Richard M.
Gte Automatic Electric Laboratories Incorporated
R. William Wray & Associates
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