Current regulated pulse dialer circuit

Details Current regulated pulse dialer circuit Current regulated pulse dialer circuit

1979-10-15

1981-08-25

Brigance, Gerald L.

179 77, H04M 131

Patent

active

042861209

ABSTRACT:
A current regulated pulse dialer circuit for use in a loop powered pulse dialing telephone. A current source is connected to an electronic pulse dialer to provide high impedance across a telephone line during transmission and interpulse pause conditions.

REFERENCES:
patent: 3916114 (1975-10-01), Persson
patent: 3932707 (1976-01-01), Connolly et al.
patent: 3973084 (1976-08-01), Hovland
patent: 3980837 (1976-09-01), Jakobsson
patent: 4046971 (1977-09-01), Losehand
patent: 4081619 (1978-03-01), Losehand
patent: 4167655 (1979-09-01), Hestad et al.

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