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. 23, 2015
Filed:
Jan. 15, 2014
Hella Kgaa Hueck & Co., Lippstadt, DE;
Bernhard Rupprath, Lippstadt, DE;
Klaus-Peter Schmitz, Lippstadt, DE;
HELLA KGAA HUECK & CO., Lippstadt, DE;
Abstract
An adapter circuit for connecting a switching circuit of an airport visual aid is equipped with an LED as a light source and a secondary-side coil (secondary side) of a supply transformer, wherein at least one switch element is provided for selectively making or breaking the connection and wherein at least one trigger circuit is provided for actuating the switch element when a specified voltage level is exceeded, wherein the switch element is provided between the trigger circuit and the secondary side of the supply transformer and/or the trigger circuit is connected to the switch contact and to the switching circuit of the LED airport visual aid.