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:
Jun. 08, 2004
Filed:
Sep. 28, 2000
Veselin Brankovic, Esslingen, DE;
Dragan Krupezevic, Stuttgart, DE;
Gerald Oberschmidt, Bruchsal, DE;
Tino Konschak, Stuttgart, DE;
Thomas Dölle, Stuttgart, DE;
Hamid Amir-Alikhani, Leonberg, DE;
Masayoshi Abe, Kanagawa-ken, JP;
Other;
Abstract
A three port structure for the down conversion demodulation of a digitally modulated RF signal is proposed, wherein no RF switches are provided. The three port structure ( ) has a first input ( ) for the RF signal to be down converted and a second input ( ) for a RF signal originating from a local oscillator ( ). An output ( ) of the three port structure ( ) is supplied to a power sensor unit ( ). The RF signal from the local oscillator ( ) is modulated ( ) before it is supplied to the three port structure ( ).