System and method of error reduction for differential capacitive

Details System and method of error reduction for differential capacitive System and method of error reduction for differential capacitive

1989-12-21

1991-07-16

Yasich, Daniel M.

Measuring and testing

Liquid level or depth gauge

Immersible electrode type

307118, 324660, 34087037, G01F 2326, G08C 1910

Patent

active

050314530

ABSTRACT:
System and method of error reduction in which a comparator is sequentially operated to produce series of pulses in which the time distribution of the pulses is related to the displacement being monitored by the transducer. In particular, the comparator is sequentially operated to provide two sets of pulses using a positive ramp voltage, and then using a negative ramp voltage having a magnitude equal to the positive ramp voltage. Averaged time periods between the pulses are used to eliminate offset errors in the determination of the value that the transducer is monitoring. The transducer is adapted to monitor the substantially linear movement of the level (fuel-air interface) of fuel in a tank and the angular position of an input shaft.

REFERENCES:
patent: 2683371 (1954-07-01), Droin et al.
patent: 3533286 (1970-10-01), Westcott et al.
patent: 3668672 (1972-06-01), Parnell
patent: 4303919 (1981-12-01), Dimeff
patent: 4304989 (1981-12-01), Vos et al.
patent: 4517547 (1985-05-01), Gray et al.
patent: 4535415 (1985-08-01), Hird
patent: 4558303 (1985-12-01), Fielden
patent: 4611489 (1986-09-01), Spaargaren et al.
patent: 4820916 (1989-04-01), Patriquin
patent: 4887066 (1989-12-01), Marek

Affiliated with

Also associated with

Rating

System and method of error reduction for differential capacitive does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with System and method of error reduction for differential capacitive, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System and method of error reduction for differential capacitive will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-122679