The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 16, 2016
Filed:
Feb. 28, 2014
Mitutoyo Corporation, Kanagawa-ken, JP;
Ted Staton Cook, Kirkland, WA (US);
Bjorn E. B. Jansson, Snohomish, WA (US);
Mitutoyo Corporation, Kanagawa-ken, JP;
Abstract
A caliper including a scale member, a slider, a slider displacement sensor and a force sensing arrangement. The force sensing arrangement is configured to provide a signal indicative of a measurement force, and includes elements fabricated on the same circuit board as the slider displacement sensor. In one implementation, the force sensing arrangement includes drive and sense coils that are fabricated in one or more metal layers of the circuit board. A signal modulating element (e.g., a metal core) is also included which is attached to a force actuator which moves in accordance with the amount of measurement force that is being applied. The force actuator moves relative to the linearly displaced coils and the attached signal modulating element affects the inductive coupling between the coils. The resulting signals from the coils may be utilized to determine the position of the signal modulating element and the corresponding measurement force.