Wireless data coupling system

Details Wireless data coupling system Wireless data coupling system

G - Physics

01

D

73/53

G01D 5/32 (2006.01) G08B 21/00 (2006.01)

Patent

CA 1315564

Abstract of the Disclosure A wireless data coupling system for transmitting data such as torque from a rotating shaft to a stationary receiver includes several photocells spaced continuously around the circumference of the shaft along with a plurality of stationary light pipes with corresponding light sources for simultaneously illuminating all of the photocells. This provides a means of powering the rotating components. From a data standpoint an analog signal from a strain gauge is converted to a digital signal which is transmitted bit by bit by a pair of light emitting diodes one of which acts as a data sync. The stationary receiver contains columns of phototransistors to receive both the data and data sync pulses. Initiation of the transmission of data is started by a start pulse which occurs first in time and thereafter send pulses from the stationary system actuate the data and data sync pulses from the rotating system.

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