发明名称 |
Keypad illumination circuit for a portable telephone |
摘要 |
A flip-type portable telephone includes means to turn keypad illumination D1-D8 on or off in response to the open or closed position of the flip. There is no delay in turning the illumination off, thus saving power. The flip position sensing means comprises a switch 14 mounted in the body of the telephone operated by a magnet 20 mounted in the flip. |
申请公布号 |
GB2308939(A) |
申请公布日期 |
1997.07.09 |
申请号 |
GB19960026917 |
申请日期 |
1996.12.24 |
申请人 |
* SAMSUNG ELECTRONICS CO LIMITED |
发明人 |
KWANG-SOO * JUNG |
分类号 |
H04B7/26;H04M1/22;H04M1/73;(IPC1-7):H04M1/22 |
主分类号 |
H04B7/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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