Radio with audio controls and associated displays

Details Radio with audio controls and associated displays Radio with audio controls and associated displays

1980-06-11

1982-03-16

Robinson, Thomas A.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455158, H04R 504, H04S 700, H04B 126

Patent

active

043202551

ABSTRACT:
An electronic pushbutton tunable radio (10) having various audio controls is disclosed. A single pushbutton (22) is utilized to implement volume, fader and balance modes of operation during which up/down pushbuttons (20,21) control the overall and relative magnitude of audio signals produced by four speakers (24-27) while at the same time a single display (17) is utilized to display, respectively, either the channel to which the radio is tuned, the relative magnitude between right and left speaker audio signals, or the relative magnitude between front and back speaker audio signals. The radio has tuning pushbuttons (14) for direct recall of preset radio channels in a tuning mode operation. The radio includes an audio mode pushbutton (23) which terminates the tuning mode and implements an audio control mode wherein the recall tuning pushbuttons (14) now serve as on/off manual controls for audio control circuits, such as the radio local/distant (L/D) circuit, while at the same time utilizing the display (17) previously utilized to indicate channel frequency to now indicate the operative state of the audio circuits controlled by the recall pushbuttons in the audio mode.

REFERENCES:
patent: 3962644 (1976-06-01), Baker
patent: 4122395 (1978-10-01), Schotz et al.

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