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:
May. 15, 2007
Filed:
Jun. 13, 2005
Gerhard Ropke, Lubeck-Travemunde, DE;
Gerhard Ropke, Lubeck-Travemunde, DE;
Job Lizenz GmbH & Co. KG, Ahrensburg, DE;
Abstract
An alarm annunciator, particularly a gas or fire annunciator, having a casing mountable on a wall or a ceiling, which contains an alarm detector, which is in wireless connection with the surroundings of the casing via at least one opening, an electronic circuitry for the evaluation of the signals of the alarm detector, a wireless module, connected to the electronic circuitry and having an antenna for wireless receiving or sending signals to/from a sending/receiving station, and a battery for the power supply of the electronic circuitry and the wireless module, characterised in that a metallic protection screen covering the opening is designed as an antenna and is connected with the antenna output socket of the wireless module.