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. 07, 2017

Filed:

Dec. 02, 2014
Applicant:

Konica Minolta, Inc., Tokyo, JP;

Inventors:

Kenta Hosaka, Sagamihara, JP;

Yasuhiko Yamaguchi, Hino, JP;

Takamasa Niwa, Hachioji, JP;

Masayuki Inoue, Hino, JP;

Keiichiro Hyodo, Kokubunji, JP;

Tetsuhiro Shibata, Hamamatsu, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/0354 (2013.01); G06F 3/041 (2006.01);
U.S. Cl.
CPC ...
G06F 3/03545 (2013.01); G06F 3/041 (2013.01); G06F 2200/1634 (2013.01); Y10T 428/24355 (2015.01);
Abstract

A film of a pen input device is provided, and a point determined by a combination of a static friction coefficient value x and a kinetic friction coefficient value y falls within a region including a line segment and the neighborhood of the line segment in a coordinate system showing the static friction coefficient on the X-axis and the kinetic friction coefficient on the Y-axis, the line segment being expressed as=0.30710.04960.26≧≧0.13,the following conditions being satisfied:0.16≧the static friction coefficient value≧0.100.100≧the kinetic friction coefficient value≧0.080,the size a, the height b, and the pitch c of concavities and convexities in the surface satisfying the following conditions:20 μm≧16 μm0.9 μm≧0.4 μm30 μm≧26 μm.


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