Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LOCOMOTIVE HEADLIGHT ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2013/033096
Kind Code:
A3
Abstract:
A light apparatus for use with a power source and a control switch, the control switch including an input node, an output node and at least first and second independently selectable current paths between the input and output nodes, the first selectable current path having a resistance value that is greater than the second current path, controlling light intensity as a function of which of the current path is selected, at least one light source, a controller linked to the control switch and determining the selected path and generating a control signal and a light driver linked between the output node and the light source, the driver receiving the control signal and adjusting the current applied to the light source as a function of the control signal.

Inventors:
MCWITHEY KEVIN (US)
Application Number:
PCT/US2012/052667
Publication Date:
June 27, 2013
Filing Date:
August 28, 2012
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
J W SPEAKER CORP (US)
MCWITHEY KEVIN (US)
International Classes:
B61L15/02; B60Q1/14; F21S8/10; H05B44/00
Foreign References:
US6127784A2000-10-03
US4654629A1987-03-31
DE4242604A11993-06-24
Attorney, Agent or Firm:
JASKOLSKI, Michael, A. (411 E. Wisconsin Ave. Suite 235, Milwaukee WI, US)
Download PDF: