Mark K Mathews

US Patent:

20170038018, Feb 9, 2017

Filed:

Apr 14, 2015

Appl. No.:

15/303606

Inventors:

- St. Paul MN, US
Mark G. Mathews - Oakdale MN, US
Nicholas G. Amell - Burnsville MN, US
Karl J.L. Geisler - St. Paul MN, US

International Classification:

F21S 8/08
G08G 1/005
F21V 21/14
F21V 23/04
H05B 37/02

Abstract:

The present disclosure describes a control scheme for actively detecting the presence of a pedestrian which triggers the lighting of a bollard-style luminaire, methods for crosswalk illumination using the bollard-style luminaires, and methods of communication between bollard-style luminaires. The present disclosure further describes actively monitoring for vehicles and indicating safe passage, through lighting feedback on a pedestrian crosswalk or other walkway. The bollard luminaire includes a design that generally confines light to illuminate the crosswalk and the pedestrian in the crosswalk, such that light that could produce glare for the pedestrian and/or a driver approaching the crosswalk is minimized.

US Patent:

20170030538, Feb 2, 2017

Filed:

Apr 7, 2015

Appl. No.:

15/303542

Inventors:

- St. Paul MN, US
Glendon D. Kappel - Eagan MN, US
David G. Freier - St. Paul MN, US
Mark G. Mathews - Oakdale MN, US
Nicholas G. Amell - Burnsville MN, US
Scott E. Simons - Scandia MN, US

International Classification:

F21S 8/08
G08G 1/005
F21V 23/04
F21V 3/00
F21V 23/00

Abstract:

The present disclosure describes light delivery and distribution components of a light duct that can be used as a luminaire, such as a bollard-style luminaire that can be useful for the illumination of pedestrian crosswalks, the light engine useful in the luminaire, and methods for making the light engine and the luminaire. The present disclosure further describes methods for crosswalk illumination using the bollard-style luminaires, and methods of communication between bollard luminaires. The bollard luminaire includes a design that generally confines light to illuminate the crosswalk and the pedestrian in the crosswalk, such that light that could produce glare for the pedestrian and/or a driver approaching the crosswalk is minimized.