发明名称 |
Illuminating structure of key operating unit, electronic apparatus, portable apparatus, and illuminating method of key operating unit |
摘要 |
An illuminating structure of a key operating unit for operating a key switch includes a housing unit to have a window portion formed correspondingly to the key switch, a circuit substrate to be provided inside the housing unit, to be disposed with the key switch, and to be provided with a light-guiding window portion, a keypad unit to include a key top portion inserted in the window portion of the housing unit, the keypad unit including a light-guiding portion at least in the key top portion, a light-emitting element to be arranged on a back surface side of the circuit substrate, and an illuminating plate to have a reflecting portion reflecting outgoing light of the light-emitting element to apply the reflected light from the reflecting portion to the keypad unit through the light-guiding window portion of the circuit substrate.
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申请公布号 |
US8063326(B2) |
申请公布日期 |
2011.11.22 |
申请号 |
US20100699109 |
申请日期 |
2010.02.03 |
申请人 |
IGARASHI KEISUKE;UCHIDA HIROYUKI;YAMASHITA NAOTO;KATOU KAZUNORI;ITOU TOSHIYUKI;FUJITSU LIMITED |
发明人 |
IGARASHI KEISUKE;UCHIDA HIROYUKI;YAMASHITA NAOTO;KATOU KAZUNORI;ITOU TOSHIYUKI |
分类号 |
H01H13/83 |
主分类号 |
H01H13/83 |
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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