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:
Dec. 23, 2025
Filed:
Mar. 31, 2021
Applicant:
The University of Chicago, Chicago, IL (US);
Inventors:
Haitao Zheng, Chicago, IL (US);
Ben Zhao, Chicago, IL (US);
Pedro Lopes, Chicago, IL (US);
Yuxin Chen, Chicago, IL (US);
Huiying Li, Chicago, IL (US);
Shan-Yuan Teng, Chicago, IL (US);
Assignee:
The University of Chicago, Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04K 3/00 (2006.01);
U.S. Cl.
CPC ...
H04K 3/42 (2013.01); H04K 2203/12 (2013.01);
Abstract
A microphone jammer includes a base and a signal generator mounted to the base. The signal generator is configured to generate an ultrasonic signal. The jammer also includes one or more transducers mounted to the base and configured to transmit the ultrasonic signal. The one or more transducers are mounted in a curved layout about the base.