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. 01, 1992
Filed:
Mar. 13, 1989
Applicant:
Inventors:
Carl D Lutz, Derry, NH (US);
Thomas A Lianza, Bedford, NH (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J / ; G01N / ; G01N / ;
U.S. Cl.
CPC ...
356 73 ; 356402 ; 356404 ; 356419 ; 356446 ;
Abstract
A colorimeter for measuring transmitted, reflected, emitted and incident light comprises a pod that is demountably attached to a base and that contains a color-responsive detector and associated processing electronics. The detector mates with one of several detachable heads that are selectable to establish precise measuring conditions for the various measurements to be made. The colorimeter enables common and consistent calibration across all elements of the pre-press industry, from checking color proofs or color transparencies, to calibrating video color monitors.