Communications: electrical – Continuously variable indicating – With particular transmitter
Patent
1982-08-17
1987-08-11
Caldwell, Sr., John W.
Communications: electrical
Continuously variable indicating
With particular transmitter
34087016, 34087029, 324120, G08C 1906, G08C 1902, G08B 2100
Patent
active
046865306
ABSTRACT:
A light conductor has two sealed embedding elements molded to its ends, respectively containing a light emitter and a light receiver. The light emitter is connected to a likewise embedded Wiegand probe, the light receiver is connected to a likewise embedded amplifier and a pulse shaper. These signal transmission lines are used for data acquisition, the respective Wiegand probes are disposed to be responsive to measured conditions represented by variable magnetic fields. The transmission system is moisture-proof and insensitive to interfering electromagnetic radiation.
REFERENCES:
patent: 3363174 (1968-01-01), Hudson
patent: 3780313 (1973-12-01), Wiegand
patent: 3991367 (1976-11-01), Chapman
patent: 4119948 (1978-10-01), Ward
patent: 4249264 (1981-02-01), Crochet
patent: 4313226 (1982-01-01), Blackington
patent: 4368385 (1983-01-01), Kanbe
patent: 4386268 (1983-05-01), Kock
patent: 4386315 (1983-05-01), Young
patent: 4427879 (1984-01-01), Becher
"Wiegand Effect Pushing Its Way into Real Products", Electronics/Apr. 14, 1977.
"Wiegand Wire: New Material for Magnetic-Based Devices", Phillip E. Wigen, Electronics/Jul. 10, 1975.
Baum Walter
Schneider Arthur
Zehl Hermann
Caldwell Sr. John W.
Kabelmetal Electro GmbH
Queen Tyrone
Siegemund Ralf H.
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