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. 06, 2003
Filed:
May. 22, 2001
Applicant:
Inventor:
Michael Ron Hammer, Sassafras, AU;
Assignee:
Varian Australia Pty. Ltd., Mulgrave, AU;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J 3/42 ; G01J 3/427 ;
U.S. Cl.
CPC ...
G01J 3/42 ; G01J 3/427 ;
Abstract
An ultraviolet/visible/infrared spectrophotometer, with a pulsed light source ( ), has a monochromator with variable slit width to provide variable spectral resolution. The dynamic range at the detectors ( ) is reduced by varying the pulse energy emitted by the light source ( ) in accordance with the wavelength and slit width settings ( ), and/or by varying the slit height in accordance with the slit width. The ligth source ( ) may be a xenon flash lamp.