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:
Apr. 27, 2004
Filed:
Dec. 09, 2002
Stefan Burger, Lüneburg, DE;
Endress + Hauser GmbH + Co. KG, Maulburg, DE;
Abstract
The invention relates to a device for emitting high-frequency signals, comprising a signal generation unit, a signaling line, an emission cable and an antenna configured as a circular waveguide, said antenna being sealed in an end section by a rear wall. According to the invention, the signal generation unit creates the high-frequency signals, the signaling line conducts the high-frequency signals along the emission cable and said emission cable projects into the interior of the antenna and is positioned approximately parallel to the rear wall. The invention aims to provide a device for emitting electromagnetic waves, which is characterized by optimized emission characteristics. To achieve this, the distance (Z) between the emission cable and the rear wall of the antenna is approximately &lgr;/6, whereby &lgr; is the wavelength of the high-frequency signals borne by the antenna.