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:
Sep. 22, 1987
Filed:
Mar. 28, 1985
Applicant:
Inventor:
James M Hossack, Redmond, WA (US);
Assignee:
Ultrasonic Arrays, Inc., Woodinville, WA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R / ; H04R / ;
U.S. Cl.
CPC ...
367140 ; 29594 ;
Abstract
Ultrasonic transducer assembly having a piston with a substantially planar surface formed of a conducting material. An insulating foil element having first and second surfaces overlying the substantially planar surface of the piston. The foil has a conducting layer carried by the first surface. A plurality of spaced apart support elements are disposed between the substantially planar surface of the piston and the second surface of the foil.