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. 18, 2014

Filed:

Mar. 14, 2012
Applicants:

Hiroyuki Shimane, Saitama, JP;

Hirohisa Tanaka, Saitama, JP;

Akio Ito, Saitama, JP;

Kazuya Sato, Saitama, JP;

Inventors:

Hiroyuki Shimane, Saitama, JP;

Hirohisa Tanaka, Saitama, JP;

Akio Ito, Saitama, JP;

Kazuya Sato, Saitama, JP;

Assignee:

Jeco Co., Ltd., Saitama, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D 11/28 (2006.01); F01P 11/16 (2006.01); B01D 1/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

A display device includes a first light guide member provided with a first reflecting surface formed at its first end to reflect light emitted by a light source; a second light guide member provided with a penetrating hole in which the first light guide member is intended to be inserted and a second reflecting surface formed at its first end to reflect the light; a first pointer and a second pointer fixed to the first end of the first light guide member and the first end of the second light guide member to be illuminated by the light reflected by the first reflection surface and the second reflection surface, respectively, and a driving member configured to separately rotate the first light guide member and the second light guide member around a same rotation axis with the first pointer and the second pointer, respectively.


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