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:
Sep. 11, 2012
Filed:
Mar. 20, 2007
David John Salgueiro, Cranford, NJ (US);
Victor E. Cappetta, Jr., Atlantic Highlands, NJ (US);
David John Salgueiro, Cranford, NJ (US);
Victor E. Cappetta, Jr., Atlantic Highlands, NJ (US);
Cooper Technologies Company, Houston, TX (US);
Abstract
A method and apparatus for providing a volume control with DC supervision in a voice evacuation system are disclosed. In one embodiment, the apparatus is a volume control comprising a first input interface for receiving an audio signal, a first output interface for forwarding said audio signal to at least one audio device, and a second input interface for receiving an alarm signal. The apparatus also comprises a switch having a plurality of nodes, wherein at least one of the plurality of nodes is an unlabeled node, wherein the switch is in communication with the first input interface and the first output interface for controlling a volume of the audio signal that is sent to the at least one audio device. The apparatus also comprises a filter that is coupled to the unlabeled node of the switch.