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. 01, 2011
Filed:
May. 11, 2005
Kinya Matsuzawa, Shiojiri, JP;
Hirokazu Sekino, Chino, JP;
Yoshiki Fukui, Suwa, JP;
Shinichi Miyazaki, Suwa, JP;
Kinya Matsuzawa, Shiojiri, JP;
Hirokazu Sekino, Chino, JP;
Yoshiki Fukui, Suwa, JP;
Shinichi Miyazaki, Suwa, JP;
Seiko Epson Corporation, , JP;
Abstract
An ultrasonic transducer includes: a fixed electrode having corrugations on the surface; a vibrating film having an electrode layer and disposed on the surface of the fixed electrode; and a holding member which holds the fixed electrode and the vibrating film. The ultrasonic transducer is driven by applying an AC signal between the electrode layer of the vibrating film and the fixed electrode, and generates a sound pressure of at least 120 dB within a frequency range from 20 kHz to 120 kHz.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile