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:
Mar. 04, 2003
Filed:
Dec. 03, 1999
Applicant:
Inventors:
Bernd Schmid, Lauffen, DE;
Thomas Schuler, Wiernsheim, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01W 1/00 ;
U.S. Cl.
CPC ...
G01W 1/00 ;
Abstract
The invention is a rain sensor including a transmitter and receiver formed by chips bonded onto a printed circuit board. Advantageous embodiments of the invention provide filtering of radiation guided to the receiver of the sensor. The sensor is provided with a barrier to suppress parasitic radiation.