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. 02, 1996
Filed:
Jun. 01, 1994
Applicant:
Inventors:
Felix A Petz, Noordwijk, NL;
Wolfgang Greiner, Noordwijkerhout, NL;
Assignee:
Agence Spatiale Europeenne, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04J / ; H04J / ; H03K / ;
U.S. Cl.
CPC ...
370 691 ; 370112 ; 333103 ; 327408 ; 327416 ;
Abstract
The present invention relates mainly to distribution and/or processing devices for RF signals, in particular devices of the following types: signal combiner, signal splitter or divider, time multiplexer, time demultiplexer, frequency multiplexer, amplifier, attenuator, variable delay lines, and a vector modulator type circuit for signal shaping. A device of the invention comprises switching cells based on respective dual gate FETs, and a control signal generator that controls switching to enable the desired functions to be established.