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. 25, 1990
Filed:
Aug. 05, 1986
Applicant:
Inventor:
Brian P Stokes, Arlington, MA (US);
Assignee:
General Scanning, Inc., Watertown, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; H02K / ;
U.S. Cl.
CPC ...
310 51 ; 310 36 ; 310 905 ; 350-66 ; 350486 ;
Abstract
An element that moves resonantly has its resonant frequency dynamically tuned to a desired frequency by two components that cooperate via magnetic fields, one component being mounted for motion with the moving element.