Ir receiver using ir transmitting diode

Details Ir receiver using ir transmitting diode Ir receiver using ir transmitting diode

H - Electricity

04

B

H04B 10/06 (2006.01) G08C 23/04 (2006.01)

Patent

CA 2268593

Circuitry using infra-red (IR) diodes in remote control units. In one embodiment an IR LED is used both as a transmitter diode and also as a receiver diode responsive to light to thereby develop photocurrents and/or voltages for use by external circuitry. In a second embodiment an improved amplifier circuit is provided for an IR LED and IR photo detector diode which is mounted behind, and receives light through, the transmitter IR LED.

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