Inductively coupled keyboard
作者： Dan Kikinis
DOI:
关键词:
摘要: A self-contained keyboard for a computer (17) transmits keystroke data to host via scan codes encoded in variable magnetic field. In preferred embodiment the (10) generates loop of electrical conductor. receiving (47) connected demodulator circuitry (40) body produces emf spikes according bursts transmitted from (15). The (49) reproduces digital registrer (51) communication CPU monitored (47).
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