About 7 results
https://drivepatents.com/patents/1010892 · 20 Jul 2011
An arrangement for charging batteries, the arrangement comprising cell groups (3), a battery pack (2) including two or more cell groups (3) connected in series, cell-group-specific monitoring units (4) and a charger (1) charging the battery pack (2). The c...
https://drivepatents.com/patents/1011725 · 22 Jun 2011
An arrangement for charging batteries, the arrangement comprising a battery pack (2) with two or more cell groups (3) connected in series, cell group specific monitoring units (4), and a charger (1) charging the battery pack (2). The cell groups (3) compri...
https://drivepatents.com/patents/1087861 · 21 Apr 2004
A group controller (9) coupled to the feeder lead of a lighting fixture (11) identifies a failure in power supply, and supplies a control signal to a emergency light fixture (7) which is switched ON by the received control signal. An independent claim is a...
https://drivepatents.com/patents/1098409 · 12 Feb 2003
A lighting arrangement for public transport vehicles comprising a light source (7) and a reflective surface (10, 20, 34) for reflecting light emitted from the light source to a passenger cabin in a public transport vehicle, whereby the upper part of the pa...
https://drivepatents.com/patents/1099231 · 8 Jan 2003
An emergency lighting arrangement and an emergency lighting apparatus, the arrangement being configured to be coupled to a supply network and the arrangement comprising an electronic ballast for igniting and burning a fluorescent lamp, the emergency lighti...
https://drivepatents.com/patents/1099339 · 2 Jan 2003
The arrangement in connection with a lighting fixture, and a lighting fixture, the arrangement comprising a first light source which is arranged in connection with the lighting fixture structure (2, 3). The arrangement further comprises one or more second ...
https://drivepatents.com/patents/1105364 · 10 Apr 2002
The invention relates to a lighting fixture arrangement comprising a housing (1), a light source (3), a light-permeable shield part (4) scattering light and an at least mainly opaque part (5) placed at the light source (3) in the shield part (4).