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. 02, 2021
Filed:
Jan. 03, 2018
Applicant:
Ajou University Industry-academic Cooperation Foundation, Suwon-si, KR;
Inventors:
Dong Woo Jee, Suwon-si, KR;
Hyung Gi Kim, Suwon-si, KR;
Assignee:
AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION, Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/00 (2006.01); G01J 1/44 (2006.01); H03M 3/00 (2006.01); H03K 19/21 (2006.01);
U.S. Cl.
CPC ...
G01J 1/44 (2013.01); H03M 3/458 (2013.01); G01J 2001/446 (2013.01); H03K 19/21 (2013.01);
Abstract
A light-to-digital converter of the present invention includes: a plurality of light-to-digital conversion units each creating a first clock signal by performing delta-sigma conversion on a photodiode voltage created from an unbiased photodiode, and outputting a unit output signal obtained by synchronizing the first clock signal with a second clock signal that is a reference clock signal; and an adder outputting a digital output signal by adding up the unit output signals of the plurality of light-to-digital conversion units.