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. 31, 1991
Filed:
Nov. 13, 1989
Applicant:
Inventors:
Assignee:
Honda Electronics Co., Ltd., Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B / ;
U.S. Cl.
CPC ...
134-1 ; 134 251 ; 134 254 ; 134184 ; 346-11 ;
Abstract
When output signals of different multi-frequencies are supplied to one vibrator every short time interval, ultrasonic waves generating from the vibrator having continuing frequencies in which frequencies between separated resonance frequencies are supplemented. Therefore, the cleaning effect is improved by the ultrasonic waves.