The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 02, 2019
Filed:
Mar. 28, 2018
Matthew Murphy, Mukwonago, WI (US);
Andrew D. Bendtsen, Oak Creek, WI (US);
Matthew Murphy, Mukwonago, WI (US);
Andrew D. Bendtsen, Oak Creek, WI (US);
PDC Facilities, Inc., Hartland, WI (US);
Abstract
A filter with five or more electrically isolated inputs filtering EMI is provided for configurable lighting systems in an MRI room. The LED driver can be remote or on board the luminaire. Fixtures with no on-board electronics and Cat5 wiring are also possible given the MZPS characteristics. The embodiment of the filter includes independent, electrically isolated, low voltage, and low current feedthroughs. While the filter housing can take any form, the preferred embodiment is DB (or D-subminiature which contains two or more rows of pins or sockets surrounded by a D-shaped metal shield that, among other things, screens against EMI). Individual feedthrough filters may be paralleled to increase total current required for increase load demand for MRI lighting systems. Further, the use of electrically isolated AC/DC or DC/DC drive electronics, enable the use of a low cost multi-input filter which supplies an MRI scan room with power to drive luminaires.