发明名称 |
Portable radio equipment with a display back-lighting function |
摘要 |
Portable radio equipment having a display for displaying a message and an illuminating device for back-lighting the display. The illuminating device has a function of back-lighting the display and a function of sensing illumination on the surface of the display. Implemented by an electroluminescent lamp, the illuminating device back-lights the display surely and, yet, without wasteful consumption of power.
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申请公布号 |
US5337073(A) |
申请公布日期 |
1994.08.09 |
申请号 |
US19920911385 |
申请日期 |
1992.07.13 |
申请人 |
NEC CORPORATION |
发明人 |
TSUNODA, HIDEYUKI;NISHIYAMA, TOSHIROU |
分类号 |
G09G3/18;G02F1/13357;G09F9/00;G09G3/12;G09G3/34;G09G3/36;H04B1/38;H04M1/22;H05B33/08;(IPC1-7):G09G3/18 |
主分类号 |
G09G3/18 |
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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