Device for signalling the position of a mobile member
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United States of America Patent
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Jul 19, 1994
Grant Date -
N/A
app pub date -
Apr 16, 1992
filing date -
Apr 16, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for signalling remotely the state of a device able to assume a plurality of discrete states comprises a circuit for producing inside a screened enclosure a direct current voltage free of interference. The screened enclosure contains a first circuit for producing from the direct current voltage electrical pulses whose duration is proportional to the value of an inductance which can assume distinct values according to the various states of the device. A second circuit converts the electrical pulses into optical pulses and an optical fiber transmits the pulses out of the enclosure to a processor.
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