Method and apparatus for adjusting the volume level of a radio

Details Method and apparatus for adjusting the volume level of a radio Method and apparatus for adjusting the volume level of a radio

1990-11-27

1992-12-08

Kuntz, Curtis

Telecommunications

Receiver or analog modulated signal frequency converter

Local control of receiver operation

455355, 381 57, H04B 7005

Patent

active

051704994

ABSTRACT:
Radios (104) are commanded to determine the ambient sound level. A code representing the ambient sound level is transmitted to a calling radio (104c) or base unit 102, that determines whether to adjust the volume level (up or down) of the called radio (104a, 104b). In this way, messages will not be missed when the radio is used in a noisy environment, and messages will not be presented at an uncomfortable volume level when the radio is operating in a quite environment. In another embodiment, the called radio (104a, 104b) transmits whatever ambient sounds exists, and the ambient sound level is determined by the calling party (104c, 102).

REFERENCES:
patent: 2671849 (1954-03-01), Bartelink
patent: 3174100 (1985-03-01), Orr, Jr.
patent: 3410958 (1968-11-01), Cohen
patent: 4197498 (1980-04-01), Fukui et al.
patent: 4254303 (1981-03-01), Takizawa
patent: 4418424 (1983-11-01), Kawamoto et al.
patent: 4477809 (1984-10-01), Base
patent: 4904992 (1990-02-01), Grothause

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