Control arrangement for radio apparatus

Details Control arrangement for radio apparatus Control arrangement for radio apparatus

1983-02-28

1985-01-22

Ng, Jin F.

Telecommunications

Receiver or analog modulated signal frequency converter

Local control of receiver operation

455200, 455186, H04B 116

Patent

active

044956525

ABSTRACT:
Radiotelephone loudspeaker and handset volumes for different types or modes of operation are set by a single control and stored. After being set and stored, the volume for each mode can be retrieved and applied to an electronic attenuator to automatically provide the desired volume.

REFERENCES:
patent: 3651469 (1972-03-01), Keese
patent: 4087793 (1978-05-01), Lucas
patent: 4222118 (1980-09-01), Dickinson et al.
patent: 4223352 (1980-09-01), Belisomi

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