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:
Mar. 26, 2019
Filed:
Dec. 30, 2016
Applicant:
Industrial Technology Research Institute, Chutung, Hsinchu, TW;
Inventors:
Chien-Wen Chen, Pingtung County, TW;
Fu-Cheng Yang, Hsinchu County, TW;
Pei-Wen Yen, New Taipei, TW;
Shu-Ping Dong, Hsinchu, TW;
Assignee:
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Chutung, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/60 (2013.01); G01D 5/347 (2006.01); G02B 5/18 (2006.01); H04L 7/00 (2006.01);
U.S. Cl.
CPC ...
H04B 10/60 (2013.01); G01D 5/34746 (2013.01); G01D 5/34792 (2013.01); G02B 5/1861 (2013.01); H04L 7/0075 (2013.01); H04L 7/0079 (2013.01);
Abstract
A positioning measurement device is provided. The device includes a light source, a grating, and plural light sensors. A periodic light field is generated by light emitted by the light source and passes through the grating to. The plural light sensors are periodically spaced. The light sensors are used to sense the periodic light field for generating a plurality of positioning measurement signals.