H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/28 (2006.01) H04B 10/10 (2006.01) H04L 12/28 (2006.01)
Patent
CA 2166334
An infrared transceiver for use with a computer in a wireless Local Area Network. The transceiver comprises a light emitting diode array and photodiodes. The transceiver is operable in a diffused beam arrangement and a directed beam arrangement. The transceiver is converted to directed beam operation by attaching a user installable columnator. The columnator redirects the beams into parallel beams, and the direction of the parallel beams is controlled through an adjustable tilt stand. The columnator is detachable for converting back to diffused beam operation.
Ananth Ravi Shankar
Drennan Gerald R.
Kerklaan Albert John
Preyde Michael J.
Ibm Canada Limited - Ibm Canada Limitee
Rosen Arnold
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