Optical data communication and location apparatus, system...

Details Optical data communication and location apparatus, system... Optical data communication and location apparatus, system...

H - Electricity

04

B

H04B 10/10 (2006.01) G01S 17/74 (2006.01)

Patent

CA 2320671

An optical data communication and location apparatus for at least one location in a facility having at least one receiver at said at least one location. A plurality of portable transmitters provides optical wireless data links with the receiver. Each of the transmitters has a power supply with circuitry for transmitting data packets over said optical wireless data links to the receiver. The circuitry for transmitting data packets generates a data code having at least two time frames, each of the at least two times frames being divided into at least two data time slots. Each flame has exactly one pulse in one data time slot whereby in each data packet, then; is encoded n-bits of binary data where 2n is equal to the number of time slots in each frame.

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