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. 14, 2002
Filed:
Jan. 08, 2001
Applicant:
Inventors:
Assignee:
Hewlett-Packard Company, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 2/186 ;
U.S. Cl.
CPC ...
G01N 2/186 ;
Abstract
A printer, which can detect a media sheet type, includes: a light emitting source and a reflector, the light emitting source being capable of emitting light in a light emission direction towards the reflector, the reflector being arranged in light emission direction and being capable of reflecting light emitted by the light emitting source in a light reflection direction; a detector being arranged such that it can detect reflected light; and a controller connected to the reflector, the controller being capable of modulating a characteristic of the reflected light.