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:
Apr. 26, 1977
Filed:
Feb. 05, 1976
Applicant:
Inventor:
Philip Horton Sanford, Walpole, MA (US);
Assignee:
Masoneilan International, Inc., Norwood, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
73 / ; 73309 ;
Abstract
Apparatus and method for the calibrating in the field of media and process condition change transmitters and controllers. Means and method for high resolution calibrating of condition change measuring and indicating apparatus by spring means external to the measuring by, and having a spring rate multiplyingthe change response of, such apparatus. Means and method of calibrating media and process change transmitters and controllers by inferentially simulating full span condition changes.