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:
Jul. 04, 1989
Filed:
Dec. 28, 1987
Applicant:
Inventor:
Christopher J Lebeau, Tempe, AZ (US);
Assignee:
Motorola Inc., Schaumburg, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350 9624 ; 350 9610 ; 350 9628 ; 350321 ; 350431 ;
Abstract
A light diffuser is described having a body with an opening therethrough defined by an inner wall. Light conducting paths are disposed through the body and couple to the opening. The inner wall is sloped at an angle to reflect the light onto a workpiece. The size of the opening and the height of the diffuser above the workpiece determine the angle of the inner wall.