Power supply unit for signal luminaires

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9263914
APP PUB NO 20130113377A1
SERIAL NO

13704340

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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For signal luminaires which indicate the term STOP or DANGER upon activation, a circuit containing a first operating case feed unit and a second auxiliary source is provided for the purpose of supplying a reliable power supply. In this case, the second auxiliary source is inductively coupled to the signal luminaire electric circuit; while the signal luminaires are capacitively coupled to ground. The use of switches during operation in a fall-back level is obviated in this way.

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Patent Owner(s)

Patent OwnerAddress
SIEMENS SCHWEIZ AG8047 ZÜRICH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Diethelm, Bernhard Galgenen, CH 1 0
Schmid, Rolf Stäfa, CH 71 619

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