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.

Date of Patent:
Feb. 02, 2010

Filed:

Feb. 22, 2008
Applicants:

Koh Ishii, Ritto, JP;

Katsuyoshi Takeuchi, Ritto, JP;

Inventors:

Koh Ishii, Ritto, JP;

Katsuyoshi Takeuchi, Ritto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 5/245 (2006.01);
U.S. Cl.
CPC ...
Abstract

A rotary absolute value scale includes a rotor in which two rotor side coil patterns provided with different pitches are laminated, and a stator in which two stator side coil patterns provided with different pitches are also laminated. A linear absolute value scale includes a slider in which two slider side coil patterns provided with different pitches are laminated, and a scale in which two scale side coil patterns provided with different pitches are also laminated.


Find Patent Forward Citations

Loading…