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:
Nov. 23, 2004
Filed:
Jan. 08, 2002
Applicant:
Inventors:
Scott Lang, Geneva, IL (US);
Gregory A. Wischstadt, Streamwood, IL (US);
Assignee:
Honeywell International, Inc., Morristown, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 4/014 ; G01J 1/42 ; G08B 1/318 ;
U.S. Cl.
CPC ...
H01J 4/014 ; G01J 1/42 ; G08B 1/318 ;
Abstract
An automatically testable obscuration detector incorporates one of an electrically controllable filter or a mechanically selected filter. Filtered outputs can be compared to expected outputs by control circuitry to automatically assess detector operation.
Quick Actions:
Lang, Scott. (2004). Obscuration detector (U.S. Patent No. 6822216). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6822216
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