Current regulated pulse dialer with memory retention circuit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 2, 1985
Grant Date -
N/A
app pub date -
Aug 25, 1983
filing date -
Aug 25, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A current regulated pulse dialer circuit including a memory for storing predetermined sequences of telephone numbers, for use in a loop powered pulse dialing telephone. A first current source is connected to an electronic pulse dialer to provide a high impedance across the telephone line during transmission and interpulse pause conditions and a second current source is connected to an electronic pulse dialer to maintain the integrity of information stored in the memory portion of the dialer circuitry.
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