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. 13, 1987
Filed:
Jul. 01, 1983
Applicant:
Inventor:
Jurgen Barry, Munich, DE;
Assignee:
Compur-Electronic GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
356446 ; 250227 ;
Abstract
To be certain of an even illumination of a field of measurement for measuring reflectance and to make it possible to have reflectance measuring heads of small size, the said field is illuminated with a number of discrete beams coming from transmitters, whose emission faces or areas are placed in a plane that is parallel to the plane of the said field. Preferably light guide cables are used for the transmitters and receivers.