05615393 is referenced by 97 patents and cites 23 patents.

A computer system has a cordless keyboard having an on-board power supply and a magnetic field generator with the keyboard adapted for coding keystrokes made on the keyboard in a dynamic magnetic field broadcast by the magnetic field generator. There is also an electronic card module having an induction coil for receiving the coded keystrokes in the dynamic magnetic field and having decoding circuitry connected to the induction coil for converting the coded keystrokes in the dynamic magnetic field into standard serial bus data. A computer as part of the system has a docking bay adapted for receiving and engaging the electronic card module and connecting the decoding circuitry in the electronic card module by means of multi-pin connectors to an internal bus of the computer.

Title
Computer system having a cordless keyboard and an induction coil in a plug-in electronic card module
Application Number
31805
Publication Number
5615393
Application Date
July 15, 1996
Publication Date
March 25, 1997
Inventor
William J Seiler
Scotts Valley
CA, US
Pascal Dornier
Sunnyvale
CA, US
Dan Kikinis
Sratoga
CA, US
Agent
Donald R Boys
Assignee
Elonex I P Holdings
GB
IPC
H03M 11/00
G06F 13/00
G06F 3/00
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