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:
Jan. 03, 1978
Filed:
Jun. 17, 1976
Applicant:
Inventor:
Edward Burke, Jr, Reading, MA (US);
Assignee:
MFE Corporation, Salem, NH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R / ; G01D / ;
U.S. Cl.
CPC ...
324125 ; 73430 ; 324 / ;
Abstract
A limited-displacement device is provided with an extended frequency range by critically damping it and compensating its frequency characteristics with a pair of series lead compensation circuits whose break-point frequency matches the natural frequency of the mechanical parts of the system.