发明名称 |
Radio system with cordless remote PTT module |
摘要 |
A radio system comprises a radio having a transmit mode. A press to talk (PTT) switch is located in a remote module having a transmitter that transmits a signal to a receiver associated with the radio. In response, the receiver opens a communication channel to the radio. The remote module enables the PTT switch to be located at a convenient location to the operator.
|
申请公布号 |
US7010275(B2) |
申请公布日期 |
2006.03.07 |
申请号 |
US20020168352 |
申请日期 |
2002.10.28 |
申请人 |
DAVIES INDUSTRIAL COMMUNICATIONS LIMITED |
发明人 |
DAVIES JOHN |
分类号 |
H04B1/38;H04B1/40;H04B1/08;H04B1/44;H04B7/26;H04M1/00;H04M1/247 |
主分类号 |
H04B1/38 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|