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. 25, 2003
Filed:
May. 25, 2000
Veselin Brankovic, Fellbach, DE;
Dragan Krupezevic, Stuttgart, DE;
Masayoshi Abe, Kanagawa, JP;
Tino Konschak, Stuttgart, DE;
Thomas Dölle, Stuttgart, DE;
Other;
Abstract
A down converter for RF signals comprises one three port junction ( ) having one input port six for modulated digital RF signals and two output ports ( ). The output ports ( ) are respectively connected to a power sensor ( ). The three port junction ( ) comprises a power splitter ( ) dividing the signal supply to the input terminal ( ) of the two branches, processing means ( ) for processing one of the branches and a four port junction device ( ) for combining the two branches and for generating two output signals to be supplied to the output terminals ( ) of the three port junction ( ). The processing means can comprise a delay unit ( ) or alternatively a frequency divider ( ), a plurality of filters ( ) and a frequency multiplicator ( ).