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:
Jun. 16, 1981
Filed:
Mar. 21, 1980
Joseph M Geary, Edgewood, NM (US);
Abstract
A light-scattering disc collector member useable in converting a classical (coherence-dependent) microdensitometer to a linear (mode) microdensitometer that is coherence-independent. The member is made of material that is transmissive, non-absorbing, and high scattering as to light, and it preferably comprises a right circular cylinder which is made opaque (such as with black paint), except for a light-transmissive entrance aperture which is located on one base of the cylinder and which is shaped as an inwardly formed hemispherical dome, and a light-transmissive exit aperture which is located on the other base of the cylinder in geometric alignment with the entrance aperture. When used to convert a classical microdensitometer to a linear microdensitometer, the light-scattering disc collector member replaces the objective of the microscope in the sensor optics assembly of the classical microdensitometer.