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:
Jun. 06, 1995
Filed:
Mar. 21, 1991
Applicant:
Inventor:
Karl Prestele, Erlangen, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
3103 / ; 3103 / ; 310358 ; 310359 ; 333152 ;
Abstract
Electrical components, such as filters, oscillators, resonators and delay lines are manufactured from a piezo ceramic base which includes a depolarized zone. The sound velocity is set by topically heating a portion of the base to form the depolarized zone between a pair of transducers.
Prestele, Karl. (1995). Electro-acoustic component of piezo ceramic material and method for (U.S. Patent No. 5422531). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5422531
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile