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:
Jan. 25, 2000
Filed:
Jan. 08, 1998
Makoto Hirota, Hyogo, JP;
Atsushi Nagano, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A waveguide input apparatus of two orthogonally polarized waves includes a waveguide having two cavities passing through the outer wall thereof to the interior, a first probe provided protruding from an inner wall of the waveguide via a first cavity so that the leading end is parallel to a first plane of polarization, a second probe provided protruding from the inner wall of the waveguide via a second cavity so that the leading end is parallel to a second plane of polarization, and a circuit board provided at the outer wall of the waveguide so as to be parallel to the second plane of polarization, and having the first probe and the second probe connected thereto. A converter for satellite broadcasting receiver employing this apparatus is also provided.