Device for signalling the position of a mobile member

Details Device for signalling the position of a mobile member Device for signalling the position of a mobile member

1992-04-16

1994-07-19

Crosland, Donnie L.

Communications: electrical

Continuously variable indicating

Via radiant energy beam

34087029, 34087031, 340555, 340557, 359151, 25022714, G08C 1916

Patent

active

053313194

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.

REFERENCES:
patent: 3984824 (1976-10-01), Blackburn
patent: 4490606 (1984-12-01), Lockett et al.
patent: 4626621 (1986-12-01), Hiyama et al.
patent: 5229876 (1993-07-01), Fatehi et al.

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