Device for remote transmitting pressure signals

Details Device for remote transmitting pressure signals Device for remote transmitting pressure signals

1975-05-21

1977-02-01

Pellinen, A. D.

Electricity: power supply or regulation systems

Remote sensing

73398AR, 338 32R, 338195, G01L 900, H01L 4308

Patent

active

040064026

ABSTRACT:
Device for remote transmitting pressure signals, of the type comprising a chamber delimited by a pressure-sensitive flexible membrane and in communication with the fluid, the pressure of which has to be measured, a mechanical-electrical transducer in the form of a magnetoresistor immersed in a magnetic field, the flux of which varies in relation to the membrane movement, a ferromagnetic core mounted in an axially adjustable position on a support rod which is axially slidable and controlled directly by the movements of the flexible membrane, and at least one magnetoresistor arranged near the path of the core and immersed in a permanent magnetic field, the flux of which is influenced by the moving ferromagnetic core.

REFERENCES:
patent: 3575054 (1971-04-01), Glista
patent: 3761958 (1973-09-01), Nishira
patent: 3848216 (1974-11-01), Gamble
patent: 3848252 (1974-11-01), Chang et al.
Bross et al, "Modular Resistor Array," IBM Technical Disclosure Bulletin, Oct. 1970, vol. 13, No. 5, pp. 1105, 338-195.

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