Angle sensor and monitoring circuit

Details Angle sensor and monitoring circuit Angle sensor and monitoring circuit

1997-09-30

2000-02-15

Noori, Max

Measuring and testing

Liquid level or depth gauge

Immersible electrode type

73301, 33366, G01F 156, G01F 2322

Patent

active

060239719

ABSTRACT:
A cross axis acceleration or roll angle insensitive angle sensor is constructed as a tubular body defining a closed tubular chamber with annular sensing plates soldered to each end. The tubular chamber is partially filled with partially electrically conductive liquid such that the resistance between the annular sensing plates and the tubular body is a function of the immersed area of the sensing plates. A variation in the inclination of the sensor causes a corresponding variation in the fluid level on the surface of the sensing plates and thus a variation in the electrical resistance between each sensing plate and the tubular body. The monitoring circuit for the angle sensor comprises a detecting means for sensing variations of the resistance between each sensing plate and provides an indication of any deviation from level position of the fluid within the tubular chamber.

REFERENCES:
patent: 4628612 (1986-12-01), Hori et al.
patent: 4733560 (1988-03-01), Dam
patent: 5726908 (1998-03-01), Hosmer et al.
patent: 5747689 (1998-05-01), Hampo et al.
patent: 5802728 (1998-09-01), Karnick et al.

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