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. 07, 2014
Filed:
Oct. 03, 2007
Uhland Goebel, Senden, DE;
Mischa Graeni, Volketswil, CH;
Gregor Kuehne, St. Gallen, CH;
Beat Herrmann, Herisau, CH;
Holger Karstensen, Volketswil, CH;
Frank Felbier, Uster, CH;
Uhland Goebel, Senden, DE;
Mischa Graeni, Volketswil, CH;
Gregor Kuehne, St. Gallen, CH;
Beat Herrmann, Herisau, CH;
Holger Karstensen, Volketswil, CH;
Frank Felbier, Uster, CH;
Huber + Suhner AG, , CH;
Abstract
The invention relates to a protective circuit () for the input-side protection of an electronic device () operating in the maximum frequency range from high-power interfering impulses in the working frequency range of the device (), said protective circuit () between an input () and an output () comprising a first limiting circuit () having at least one gas discharge tube (GDT, GDT) for limiting high interference powers and a second limiting circuit () disposed behind the first limiting circuit (), said second limiting circuit having semi-conductor components (D, . . . , D) for limiting smaller interference powers. Protection from particularly high interference powers is achieved in that the first limiting circuit () comprises two gas discharge tubes (GDT, GDT) connected in parallel and preferably identical.