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. 01, 2005
Filed:
Mar. 29, 2004
Yukio Ohtaki, Fukushima-kan, JP;
Toru Oyama, Fukushima-ken, JP;
Yukio Ohtaki, Fukushima-kan, JP;
Toru Oyama, Fukushima-ken, JP;
Alps Electric Co., Ltd., Tokyo, JP;
Abstract
A diversity receiving apparatus comprises a plurality of antennas, a plurality of receiving circuits connected to the plurality of antennas, respectively, an adding unit for adding reception signals output from the respective receiving circuits, and a plurality phase shifting units for making phases of the reception signals to be input into the adding unit equal. A level comparing unit, for comparing the levels of the reception signals output from the respective receiving circuits, is provided. Phases of reception signals other than a maximum-level reception signal are controlled so as to have the same phase as the phase of the maximum-level reception signal, and the phase-controlled signals are input into the adding unit.