H - Electricity – 04 – M
Patent
H - Electricity
04
M
379/106, 349/81,
H04M 1/50 (2006.01) H04M 1/02 (2006.01)
Patent
CA 1056077
ABSTRACT OF THE DISCLOSURE Apparatus and method for providing bone operating capability to a dial telephone is disclosed. The standard mouthpiece together with the original microphone of the dial telephone are removed. The present invention provides a replacement mouthpiece attacked to the telephone in place of the standard mouthpiece. The replacement mouthpiece in- cludes a relatively small microphone electrically coupled to the transmitter connections in the telephone and having a sound receiving element. A plurality of keyboard elements are located in the replacement mouthpiece generally around the sound receiving element of the microphone. The keyboard elements correspond to respective telephone operating digits and symbols and can be actuated by the user of the telephone. me replacement mouthpiece includes a generator for an output signal responsive to the actuated keyboard elements to operate the telephone. The generator output signal represent tone signal. The generator is electrically coupled to the transmitter connections when the replacement mouthpiece is attached to the telephone so that both the output of the microphone and the generated output signal are transmitted through the transmitter connections.
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