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:
Apr. 28, 2020
Filed:
Mar. 30, 2018
Applicant:
Ecole Polytechnique Federale DE Lausanne (Epfl), Lausanne, CH;
Inventors:
Augusto Ronchini Ximenes, Delft, NL;
Preethi Padmanabhan, Neuchatel, CH;
Edoardo Charbon, The Hague, NL;
Assignee:
ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL), Lausanne, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 7/486 (2020.01); H03L 7/099 (2006.01); G04F 10/00 (2006.01); G01S 7/4865 (2020.01); G01S 17/89 (2020.01); H03H 7/38 (2006.01);
U.S. Cl.
CPC ...
H03L 7/0995 (2013.01); G01S 7/4865 (2013.01); G01S 17/89 (2013.01); G04F 10/005 (2013.01); H03H 7/38 (2013.01);
Abstract
An oscillator arrangement for time-to-digital converters for a 3D image sensor device includes a plurality of oscillators arranged as an array each oscillator being associated to one time-to-digital converter, and at least one coupling unit respectively arranged between at least two of the oscillators, so that oscillation in the at least two oscillators at a fundamental frequency is synchronized between the at least two coupled oscillators.