Invention Grant
US09024470B2 Dimmable LED reading light unit, arrangement of power supply and dimmable LED reading light unit, method of operating a dimmable LED reading light unit in a power supply system and method of replacing a dimmable light unit by a dimmable LED reading light unit
有权
可调光LED阅读灯单元，电源和可调光LED阅读灯单元的布置，在电源系统中操作可调光LED阅读灯单元的方法和通过可调光LED阅读灯单元替换可调光单元的方法
- Patent Title: Dimmable LED reading light unit, arrangement of power supply and dimmable LED reading light unit, method of operating a dimmable LED reading light unit in a power supply system and method of replacing a dimmable light unit by a dimmable LED reading light unit
- Patent Title (中): 可调光LED阅读灯单元，电源和可调光LED阅读灯单元的布置，在电源系统中操作可调光LED阅读灯单元的方法和通过可调光LED阅读灯单元替换可调光单元的方法
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Application No.: US14199278Application Date: 2014-03-06
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Publication No.: US09024470B2Publication Date: 2015-05-05
- Inventor: Steffen Roebke
- Applicant: Goodrich Lighting Systems GmbH
- Applicant Address: DE
- Assignee: Goodrich Lighting Systems GmbH
- Current Assignee: Goodrich Lighting Systems GmbH
- Current Assignee Address: DE
- Agency: Cantor Colburn LLP
- Priority: EP13157947 20130306
- Main IPC: B60L1/14
- IPC: B60L1/14 ; B60Q3/00 ; H05B33/08 ; B60Q3/02
Abstract:
A dimmable LED reading light unit according to exemplary embodiments of the invention, in particular for a passenger transportation vehicle, such as an airplane, a ship, a bus, or a railcar, comprises an input connectable to a potentiometer being supplied with a constant supply voltage and outputting a direct voltage having a voltage intensity corresponding to a selected dimming rate; an electronic measuring and control unit connected to at least one LED and providing an operating current to the at least one LED, and method of operating same.
Public/Granted literature
Information query
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