INFORMATION INPUT DEVICE
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 filt...
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| Main Authors | , , , , , , |
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| Format | Patent |
| Language | English French German |
| Published |
17.05.2006
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| Edition | 7 |
| Subjects | |
| Online Access | Get full text |
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| Abstract | 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. |
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| AbstractList | 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. |
| Author | HASEGAWA, TOTA REKIMOTO, JUNICHI KARASAWA, HIDENORI TAJIMA, SHIGERU AYATSUKA, YUJI MATSUSHITA, NOBUYUKI SCIAMMARELLA, EDUARDO |
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| DocumentTitleAlternate | DISPOSITIF D'ENTREE D'INFORMATION INFORMATIONSEINGABEGERÄT |
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| Notes | Application Number: EP20020712373 |
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| RelatedCompanies | SONY CORPORATION |
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| Snippet | 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... |
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| SubjectTerms | CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS TRANSMISSION |
| Title | INFORMATION INPUT DEVICE |
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