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:
Feb. 05, 2019
Filed:
Aug. 22, 2015
Applicant:
Moon Key Lee, Seoul, KR;
Inventor:
Moon Key Lee, Seoul, KR;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10H 1/34 (2006.01); G01N 21/41 (2006.01); G02B 5/12 (2006.01); G06K 9/20 (2006.01); G06K 9/78 (2006.01); G10C 3/12 (2006.01); G02B 5/04 (2006.01); G02B 26/08 (2006.01); G06K 9/00 (2006.01); G06K 9/46 (2006.01); G10H 1/055 (2006.01);
U.S. Cl.
CPC ...
G10H 1/34 (2013.01); G01N 21/41 (2013.01); G02B 5/045 (2013.01); G02B 5/12 (2013.01); G02B 26/0816 (2013.01); G06K 9/00 (2013.01); G06K 9/209 (2013.01); G06K 9/2018 (2013.01); G06K 9/2063 (2013.01); G06K 9/4652 (2013.01); G06K 9/78 (2013.01); G10C 3/12 (2013.01); G10H 1/0553 (2013.01); G10H 1/344 (2013.01); G10H 2220/305 (2013.01); G10H 2220/455 (2013.01);
Abstract
An electronic keyboard using a camera, and more particularly, to an electronic keyboard using a camera, which includes a retroreflective film, a light source for irradiating light on to the retroreflective film, a camera for capturing light of a light source retroreflected from the retroreflective film, and an image processing means that analyzes the captured image to track the position of the reflected light source, to find a depressed state of the keyboard, and to generate a sound of an instrument corresponding to the depressed state.