发明名称 |
Memory card, imaging apparatus, and recording/reproducing apparatus |
摘要 |
Disclosed is a memory card attached to an external apparatus for transmitting and receiving data via the external apparatus and an optical communication. The memory card includes a power-supply potential unit receiving electric power supply at a predetermined voltage from the external apparatus; a ground potential unit connected to a ground potential unit of the external apparatus; a light-receiving unit receiving an optical signal transmitted from the external apparatus or another memory card; and a light-emitting unit transmitting the optical signal to the external apparatus or another memory card. In the memory card, the light-receiving unit and the light-emitting unit are arranged such that the signal received by the light-receiving unit and the signal transmitted from the light-emitting unit are transmitted in a straight line.
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申请公布号 |
US8374482(B2) |
申请公布日期 |
2013.02.12 |
申请号 |
US20070999769 |
申请日期 |
2007.12.07 |
申请人 |
SONY CORPORATION;TOKUNAKA JUNZO;SHINKAI MITSUTOSHI;ITO YUJIRO |
发明人 |
TOKUNAKA JUNZO;SHINKAI MITSUTOSHI;ITO YUJIRO |
分类号 |
H04N5/77 |
主分类号 |
H04N5/77 |
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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