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:
May. 24, 1994
Filed:
Dec. 14, 1992
Russell B Rauch, Pasadena, CA (US);
Ellis D Harris, Claremont, CA (US);
Xerox Corporation, Stamford, CT (US);
Abstract
An optical system is disclosed which utilizes a pair of binary diffraction optic lenses to reprofile the intensity of a light beam. Both binary diffraction optic lenses have a plurality of segments. Depending on the shape of a desired intensity profile, each segment of the first binary diffraction optic lens either diverges or converges a portion of a light beam and as needed deflects the same portion of the beam. The second binary diffraction optic lens, which is located down stream of the first binary diffraction optic lens, has an equal number of segments as the first binary diffraction optic lens. Each segment of the second binary diffraction optic lens receives the light beam from a respective segment of the first binary diffraction optic lens and collimates the light beam.