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:
May. 25, 2004
Filed:
Aug. 09, 2002
Applicant:
Inventors:
Der-Shyang Jan, Taipei, TW;
Wun-Chun Liou, Taipei, TW;
Assignee:
Quarton, Inc, , TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 1/126 ;
U.S. Cl.
CPC ...
G01B 1/126 ;
Abstract
An angle measurement and distance demarcation device has a body having a first surface, an axis which extends from the first surface, and a containing room. The device also has a rotating unit coupled for rotation about the axis, and a laser emitter. The device further includes a coupling mechanism provided around the axis and coupling the rotating unit to the body, and a power supply unit provided inside the containing room and coupled to the laser emitter for supplying power to laser emitter. The device can be used together with either a triangular angle gauge or a disk angle gauge.