Device for the pick-up of measured values

Details Device for the pick-up of measured values Device for the pick-up of measured values

1983-07-01

1985-08-06

Swisher, S. Clement

Measuring and testing

Fluid pressure gauge

Diaphragm

33143L, 33147D, 33147H, 33148D, 33148H, 73432A, 73DIG3, 324208, 338 32H, G01B 500, G01B 714, G01D 520, G01L 900

Patent

active

045328102

ABSTRACT:
A device for the pick-up of measured values having a frame forming a first measurement reference and an element movable relatively to the frame and forming a second measurement reference. The device includes a carrier connected to the element forming the second measurement reference and a mechanical/electrical conversion system connected between the frame and the carrier. The conversion system produces a magnetic field directed at right angles to the direction of movement of the carrier and has at least one air gap within which the carrier is arranged to move at right angles to the magnetic field. Two pairs of field plates are arranged in the air gap and when the carrier is moved the extent of penetration of the pairs of the field plates by the magnetic field is changed. The device also includes a bridge circuit by which the field plates are connected. The bridge circuit includes in one diagonal thereof a device for the display of measured values and is connected across the other diagonal thereof to a d.c. voltage.

REFERENCES:
patent: 2907897 (1959-10-01), Sander
patent: 2987669 (1961-06-01), Kallmann
patent: 3025461 (1962-03-01), Snellen
patent: 3162804 (1964-12-01), Parsons
patent: 3187254 (1965-06-01), Wasserman
patent: 3575054 (1971-04-01), Glista
patent: 3818326 (1974-06-01), Masuda
patent: 4359685 (1982-11-01), Eguchi
Applications of Hall Effect and Magnetoresistance Aerovox Research Worker, rinted by Aerovox Corp., 1966.

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