发明名称 |
PORTABLE RADIO TELEPHONE HAVING POWER SAVER |
摘要 |
<p>A battery-powered portable radio telephone for use in a mobile telephone network receives signals from the network and judges from the received signal whether the radio telephone is inside or outside of the service area of the network. A battery saver is provided to periodically interrupt the battery power of the telephone when the latter is judged as being outside of the service area.</p> |
申请公布号 |
EP0255048(B1) |
申请公布日期 |
1993.09.29 |
申请号 |
EP19870110683 |
申请日期 |
1987.07.23 |
申请人 |
NEC CORPORATION |
发明人 |
KASAI, YOSHIHIKO C/O NEC CORPORATION;BABANO, SOTOAKI C/O NEC CORPORATION |
分类号 |
H04B7/26;H04B1/16;H04B1/40;H04M1/73;H04W52/02 |
主分类号 |
H04B7/26 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|