Method and apparatus for adjusting the volume level of a radio
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United States of America Patent
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-
Dec 8, 1992
Issued Date -
N/A
app pub date -
Nov 27, 1990
filing date -
Mar 6, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
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).
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