Method for measuring the length variation of a spring, and...

Details Method for measuring the length variation of a spring, and... Method for measuring the length variation of a spring, and...

2006-07-05

2008-08-12

Patidar, Jay M (Department: 2862)

Electricity: measuring and testing

Magnetic

Displacement

C324S207200, C324S207210, C324S207220

Reexamination Certificate

active

07411386

ABSTRACT:
A method for measuring a length variation of a spring, comprising the steps of associating a measurement device with a spring, determining a measurement of the intensity of a magnetic field of the measurement device, and, on the basis of the measurement of the intensity of the magnetic field, determining the length variation of the spring.

REFERENCES:
patent: 3848216 (1974-11-01), Gamble
patent: 4356979 (1982-11-01), Dobler
patent: 4366706 (1983-01-01), Wolff
patent: 6469500 (2002-10-01), Schmitz et al.
patent: 2004/0092349 (2004-05-01), Iwamoto et al.
patent: 11-108605 (1999-04-01), None
patent: 200525745 (2004-03-01), None
Patent Abstracts of Japan vol. 9, No. 199 (P-380), Aug. 16, 1985 -& JP 60 063444 A (Sharp KK), Apr. 11, 1985.

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