Infrared wireless communication between electronic system components
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United States of America Patent
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Apr 16, 1996
Grant Date -
N/A
app pub date -
Sep 13, 1994
filing date -
Sep 13, 1994
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A wireless infrared pulse-transmitting system for communication with electronic components. The receiver for such a system has radically reduced current (and power) values, which permit a battery-powered receiver to remain on while awaiting transmitter signals. Use of several mosfet transistors operating in the subthreshold region minimizes power. Bandwidth requirements are met, in spite of the low power operation. In order to eliminate amplifier saturation, with the accompanying problem of recovery time which slows the transmission process, clamping circuitry is used to cause instantaneous shunting of signals when a predetermined signal level is reached.
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