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:
Apr. 05, 2016
Filed:
Mar. 11, 2014
Applicant:
Kabushiki Kaisha Topcon, Itabashi-ku, Tokyo-to, JP;
Inventors:
Takashi Takahashi, Tokyo-to, JP;
Jun-ichi Kodaira, Tokyo-to, JP;
Assignee:
Kabushiki Kaisha TOPCON, Tokyo-to, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 9/18 (2006.01); G01C 9/06 (2006.01);
U.S. Cl.
CPC ...
G01C 9/18 (2013.01); G01C 9/06 (2013.01); G01C 2009/066 (2013.01);
Abstract
The invention provides a tilt angle detecting device which has a two-liquid tube (), comprising a transparent container () containing a first liquid () and a second liquid () having different property, specific gravity, and optical transmissivity from each other, wherein a movement occurs between the first liquid and the second liquid by tilting of the transparent container.