Citizen's band radio with improved reception

Details Citizen's band radio with improved reception Citizen's band radio with improved reception

1996-10-07

2000-03-14

Hunter, Daniel S.

Telecommunications

Transmitter and receiver at separate stations

With control signal

455 84, 455296, H04B 100

Patent

active

060384298

ABSTRACT:
A method and apparatus for improving the signal-to-noise ratio of a citizen's band (CB) radio is disclosed. A compander circuit is used in both the transmitting and receiving portions of the citizen's band radio. Demodulated incoming audio signals are expanded by the compander circuit to increase the dynamic range of the incoming audio signals. Outgoing audio signals from a microphone are compressed by the compander circuit to decrease the dynamic range of the outgoing audio signals before they are amplified and transmitted.

REFERENCES:
patent: 4048561 (1977-09-01), Wilcox et al.
patent: 4153877 (1979-05-01), Fathauer et al.
patent: 4156193 (1979-05-01), Baker
patent: 4317220 (1982-02-01), Martin
patent: 5493698 (1996-02-01), Suzuki et al.
patent: 5640685 (1997-06-01), Komoda
patent: 5655003 (1997-08-01), Erving et al.

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