Programmable dialer system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 21, 1989
Grant Date -
N/A
app pub date -
Mar 23, 1988
filing date -
Mar 23, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A telephone dialer system consists of a programming unit, and a portable telephone dialer unit for producing a selected sequence of dual tone modulated frequency dialing tones, adapted to be programmed by the programming unit when said portable telephone dialer is releasably electrically coupled to said programming unit. The portable telephone dialer has a case, a reprogrammable memory, a programming interface, a speaker, a battery, a dual tone modulated frequency signal generating integrated circuit chip, and a single bi-state switch operable from the exterior of the case.
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