发明名称 |
Dual mode mobile phone operating as a two-way radio |
摘要 |
A dual mode transmitter/receiver adds two-way radio functionality to a frequency division duplex mobile phone. The dual mode transmitter/receiver allows short-range and low-power communication between similarly equipped phones. In the two-way radio mode, the dual mode mobile phone transmits and receives at a frequency between the normal mobile transmit and receive frequency bands so that a number of transmitter/receiver components are utilized for both normal and two-way radio communication.
|
申请公布号 |
US6415158(B1) |
申请公布日期 |
2002.07.02 |
申请号 |
US19990240578 |
申请日期 |
1999.02.01 |
申请人 |
LUCENT TECHNOLOGIES INC. |
发明人 |
KING WILLIAM CLIFTON;NARDOZZA GREGG SCOTT |
分类号 |
H04B1/40;H04W88/06;(IPC1-7):H04B1/40 |
主分类号 |
H04B1/40 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|