Wireless data coupling system and method

Details Wireless data coupling system and method Wireless data coupling system and method

1988-04-28

1991-05-28

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

Via radiant energy beam

34087028, 455606, 455607, 455602, 250551, G08C 1916, G02B 2700

Patent

active

050198149

ABSTRACT:
A wireless data coupling system for transmitting data such as torque from a rotating shaft to a stationary receiver includes at least one photocell on the shaft along with a corresponding stationary light source for illuminating the photocells. This powers 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.

REFERENCES:
patent: 3619612 (1971-11-01), Belke
patent: 4109998 (1978-08-01), Iverson
patent: 4310767 (1982-01-01), Peacock
patent: 4605925 (1986-08-01), Mark
patent: 4646086 (1987-02-01), Helzel

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