Dual mode radio communication apparatus having function of selectively designating analog or digital mode
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United States of America Patent
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Oct 8, 1996
Grant Date -
N/A
app pub date -
Feb 4, 1993
filing date -
Feb 5, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A radio communication apparatus of this invention includes a mode designation switch for selectively designating and inputting a desired mode from an analog mode and a digital mode, and a mode storage circuit for storing the desired mode designated and input by the mode designation switch and has a mode setting control function, a mode comparison function, and a mode change control function. In order to establish a radio link, control is performed to set a mode for transmitting a communication signal in accordance with the desired mode stored in the mode storage circuit. After the start of transmission of the communication signal, the mode comparison function compares the mode set by the mode setting control function with the desired mode stored in the mode storage circuit. If these modes are determined not to coincide with each other by the mode comparison function, control is performed to change the mode set by the mode setting control function to the desired mode stored in the mode storage circuit in accordance with the mode change control function.
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