Telephonic communications – Call signal generating
Reexamination Certificate
2005-09-06
2005-09-06
Harold, Jefferey F. (Department: 2644)
Telephonic communications
Call signal generating
C379S357030, C379S361000
Reexamination Certificate
active
06940974
ABSTRACT:
A system for generating number tones for dialing a telephone device comprising a microphone. The system comprises a housing, a first data entry device, first and second memory devices, an output signal generator, and a transducer. The housing defines a sound opening. The first data entry device is supported by the housing and is associated with a first sequence of stored digits. The first memory device stores the first sequence of stored digits. The second memory device stores frequency data associated with number tones. The output signal generator generates, upon activation of the first data entry device, an output signal based on the first sequence of stored digits and the frequency data. The transducer is mounted within the housing adjacent to the sound opening and converts the output signal into an audible signal. The housing is adapted to be attached to the telephone device with the sound opening adjacent to the microphone.
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August Clifford J.
Schneider Mathieu
Sternberg Thomas Heinrich
August Chris
Harold Jefferey F.
Schacht Michael R.
Schacht Law Office Inc.
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