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, 1980
Filed:
Apr. 05, 1960
Applicant:
Inventor:
Charles H Jones, Murrysville, PA (US);
Assignee:
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
367155 ; 310334 ; 367159 ;
Abstract
1. A transducer for translating compressional waves in a liquid medium into lectrical waves in an electric circuit and vice versa comprising an elongated transducer element having a spherically concave active face disposed with its smaller dimension between two circles of latitude spaced apart in a hemisphere a distance substantially equal to the wavelength in the liquid medium of a predetermined operating frequency.
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Jones, Charles. (1980). Electro-acoustic transducer with line focus (U.S. Patent No. 4187556). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4187556
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile