H - Electricity – 04 – M
Patent
H - Electricity
04
M
344/14, 379/44
H04M 3/56 (2006.01)
Patent
CA 1073994
TITLE CONFERENCE CIRCUIT FOR PULSE CODED MODULATED TELEPHONY ABSTRACT OF THE DISCLOSURE A method of providing a multi-port conference circuit for use in a telephone switching system employing pulse coded modulated signals for transmission and super- vision. Samplings of coded information are employed as a source of conference data and comparison with the digital information contained therein is employed to choose the speaker in a conference group.
277944
Lee David Q.
Mclaughlin Donald W.
LandOfFree
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