Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dbtel IncfiledCriticalDbtel Inc
Priority to TW086116402ApriorityCriticalpatent/TW341693B/en
Application grantedgrantedCritical
Publication of TW341693BpublicationCriticalpatent/TW341693B/en
A method of generating an out of range warning for a radio communication device, in which, when a hand set of the radio communication device exceeds a communication range, the radio communication device will carry out the following steps: the host of the radio communication device sends out an audio code to the hand set of the radio communication device; the receive demodulator of the hand set of the radio communication device receives the audio code and amplifies it to send out a warning signal.
TW086116402A1997-11-041997-11-04Method of generating an out of range warning for a radio communication device
TW341693B
(en)