发明名称 |
INFORMATION INPUT DEVICE |
摘要 |
An information input device using an electromagnetic near field to input information for an information equipment which a user is carrying. In a keyboard 12, a keycode (an output from a processor 2) is frequency modulated (FSK) by a modulator 5, only necessary carrier component passes through a filter 6, and then supplied to conductive keytops 4 via a buffer amplifier 7. The supplied signal is received at a preamplifier 10 installed in user's wearable equipment 9 using a surface of a human body and an electromagnetic near field, and then supplied to a wearable computer 11 of the wearable equipment 9 after demodulation. <IMAGE>
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申请公布号 |
EP1363182(A1) |
申请公布日期 |
2003.11.19 |
申请号 |
EP20020712373 |
申请日期 |
2002.02.15 |
申请人 |
SONY CORPORATION |
发明人 |
REKIMOTO, JUNICHI;TAJIMA, SHIGERU;AYATSUKA, YUJI;MATSUSHITA, NOBUYUKI;HASEGAWA, TOTA;KARASAWA, HIDENORI;SCIAMMARELLA, EDUARDO |
分类号 |
G06F3/02;G06F1/16;G06F3/038;H04B13/00;(IPC1-7):G06F3/02 |
主分类号 |
G06F3/02 |
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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