RFID based keyboard
An RFID keyboard comprising a base with a first antenna and; keys with secondary antennas wherein a key is normally in a first position such that the resonant frequency is away from an interrogation frequency and no signal for the key is detected and wherein when the key is depressed, the secondary...
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| creator | Oberle, Robert R |
| description | An RFID keyboard comprising a base with a first antenna and; keys with secondary antennas wherein a key is normally in a first position such that the resonant frequency is away from an interrogation frequency and no signal for the key is detected and wherein when the key is depressed, the secondary antenna for the key and the first antenna become adjacent such that the resonant frequency shifts such that information identifying the key is transferred. |
| format | Patent |
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| language | eng |
| recordid | cdi_uspatents_grants_08089376 |
| source | USPTO Issued Patents |
| title | RFID based keyboard |
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