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U.S. Department of Energy
Office of Scientific and Technical Information

Multiple channel optical data acquisition system

Patent ·
OSTI ID:5382973
A multiple channel optical data acquisition system is provided in which a plurality of remote sensors monitoring specific process variable are interrogated by means of a single optical fiber connecting the remote station/sensors to a base station. The remote station/sensors derive all power from light transmitted through the fiber from the base station. Each station/sensor is individually accessed by means of a light modulated address code sent over the fiber. The remote station/sensors use a single light emitting diode to both send and receive light signals to communicate with the base station and provide power for the remote station. The system described can power at least 100 remote station/sensors over an optical fiber one mile in length.
Research Organization:
USDOE Morgantown Energy Technology Center, WV
Assignee:
Dept. of Energy
Patent Number(s):
None
Application Number:
ON: DE85017761
OSTI ID:
5382973
Country of Publication:
United States
Language:
English