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:
Sep. 03, 2024

Filed:

Sep. 06, 2021
Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Masaru Shiraishi, Osaka, JP;

Shuichi Nagai, Osaka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D 5/347 (2006.01);
U.S. Cl.
CPC ...
G01D 5/3473 (2013.01); G01D 5/34715 (2013.01);
Abstract

Provided is an encoder capable of suppressing a decrease in detection accuracy. The encoder includes a moving plate, a light irradiator that irradiates a code pattern with light, and a light receiver. The code pattern includes a light guider and a non-light guider. A code pattern array is an array in which an error correction code for correcting an error is inserted into a position information data string that can specify a position. The light receiver includes a position detecting light receiving element that reads a position array of a code pattern and a position correcting light receiving element that outputs information for correcting an error.


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