H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 1/30 (2006.01) H04M 1/27 (2006.01) H04M 1/30 (2006.01)
Patent
CA 2072791
METHOD AND APPARATUS FOR PULSE/TONE DETECTION AND SELECTION ABSTRACT A method and apparatus for permitting a telephonic device to select the mode of dialing, pulse or tone, which is proper for the local telephone network interface to which it is connected.
Lifeline Systems Inc.
Ridout & Maybee Llp
LandOfFree
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