Patents by Inventor William P. Coetzee

William P. Coetzee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Illumination device control systems and methods
    Patent number: 10791600
    Abstract: In various embodiments, a control system for an electronic circuit iteratively applies voltage to and senses current from a load to regulate operation of the load.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: September 29, 2020
    Assignee: COOLEDGE LIGHTING INC.
    Inventors: Michael A. Tischler, William P. Coetzee, Paul Jungwirth
  • Methods of operating lighting systems with controllable illumination
    Patent number: 10667362
    Abstract: In accordance with various embodiments, signals from a power supply are utilized to alter the perceived overall optical characteristic and/or the overall intensity of light emitted by an illumination system.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: May 26, 2020
    Assignee: COOLEDGE LIGHTING INC.
    Inventors: William P. Coetzee, Paul Jungwirth, Michael A. Tischler, Alan Hussein Saeed
  • Methods for adjusting the light output of illumination systems
    Patent number: 10136485
    Abstract: In accordance with various embodiments, an overall optical characteristic of light emitted by an illumination system having multiple strings of light-emitting elements, as well as an overall intensity of the light emitted by the illumination system, are independently selected via controlling the strings over multiple time intervals.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: November 20, 2018
    Assignee: COOLEDGE LIGHTING INC.
    Inventors: William P. Coetzee, Paul Jungwirth, Michael A. Tischler
  • ILLUMINATION DEVICE CONTROL SYSTEMS AND METHODS
    Publication number: 20170019967
    Abstract: In various embodiments, a control system for an electronic circuit iteratively applies voltage to and senses current from a load to regulate operation of the load.
    Type: Application
    Filed: July 21, 2016
    Publication date: January 19, 2017
    Inventors: Michael A. TISCHLER, William P. COETZEE, Paul JUNGWIRTH
  • Illumination device control systems and methods
    Patent number: 9520784
    Abstract: In various embodiments, a control system for an electronic circuit iteratively applies voltage to and senses current from a load to regulate operation of the load.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: December 13, 2016
    Assignee: COOLEDGE LIGHTING INC.
    Inventors: Michael A. Tischler, William P. Coetzee, Paul Jungwirth
  • Illumination device control systems and methods
    Patent number: 9520783
    Abstract: In various embodiments, a control system for an electronic circuit iteratively applies voltage to and senses current from a load to regulate operation of the load.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: December 13, 2016
    Assignee: COOLEDGE LIGHTING INC.
    Inventors: Michael A. Tischler, William P. Coetzee, Paul Jungwirth
  • ILLUMINATION DEVICE CONTROL SYSTEMS AND METHODS
    Publication number: 20160192448
    Abstract: In various embodiments, a control system for an electronic circuit iteratively applies voltage to and senses current from a load to regulate operation of the load.
    Type: Application
    Filed: December 21, 2015
    Publication date: June 30, 2016
    Inventors: Michael A. TISCHLER, William P. COETZEE, Paul JUNGWIRTH
  • ILLUMINATION DEVICE CONTROL SYSTEMS AND METHODS
    Publication number: 20160190927
    Abstract: In various embodiments, a control system for an electronic circuit iteratively applies voltage to and senses current from a load to regulate operation of the load.
    Type: Application
    Filed: December 21, 2015
    Publication date: June 30, 2016
    Inventors: Michael A. Tischler, William P. Coetzee, Paul Jungwirth
  • Non-linear system control methods
    Patent number: 9270169
    Abstract: In various embodiments, a control system for an electronic circuit iteratively applies voltage to and senses current from a load to regulate operation of the load.
    Type: Grant
    Filed: November 11, 2014
    Date of Patent: February 23, 2016
    Assignee: Cooledge Lighting, Inc.
    Inventors: Michael A. Tischler, William P. Coetzee, Paul Jungwirth
  • Illumination device control systems and methods
    Patent number: 9252662
    Abstract: In various embodiments, a control system for an electronic circuit iteratively applies voltage to and senses current from a load to regulate operation of the load.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: February 2, 2016
    Assignee: Cooledge Lighting, Inc.
    Inventors: Michael A. Tischler, William P. Coetzee, Paul Jungwirth
  • ILLUMINATION DEVICE CONTROL SYSTEMS AND METHODS
    Publication number: 20150326117
    Abstract: In various embodiments, a control system for an electronic circuit iteratively applies voltage to and senses current from a load to regulate operation of the load.
    Type: Application
    Filed: June 16, 2015
    Publication date: November 12, 2015
    Inventors: Michael A. Tischler, William P. Coetzee, Paul Jungwirth
  • ILLUMINATION DEVICE CONTROL SYSTEMS AND METHODS
    Publication number: 20150208469
    Abstract: In various embodiments, a converter for a lighting apparatus iteratively applies voltage to and senses current from the lighting apparatus to regulate operation thereof.
    Type: Application
    Filed: March 20, 2015
    Publication date: July 23, 2015
    Inventors: William P. Coetzee, Paul Jungwirth, Michael A. Tischler
  • NON-LINEAR SYSTEM CONTROL METHODS
    Publication number: 20150115907
    Abstract: In various embodiments, a control system for an electronic circuit iteratively applies voltage to and senses current from a load to regulate operation of the load.
    Type: Application
    Filed: November 11, 2014
    Publication date: April 30, 2015
    Inventors: Michael A. Tischler, William P. Coetzee, Paul Jungwirth
  • Illumination device control systems and methods
    Patent number: 8937439
    Abstract: In various embodiments, a control system for an electronic circuit iteratively applies voltage to and senses current from a load to regulate operation of the load.
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: January 20, 2015
    Assignee: Cooledge Lighting Inc.
    Inventors: Michael A. Tischler, William P. Coetzee, Paul Jungwirth
  • ILLUMINATION DEVICE CONTROL SYSTEMS AND METHODS
    Publication number: 20140312788
    Abstract: In various embodiments, a control system for an electronic circuit iteratively applies voltage to and senses current from a load to regulate operation of the load.
    Type: Application
    Filed: May 7, 2014
    Publication date: October 23, 2014
    Inventors: Michael A. Tischler, William P. Coetzee, Paul Jungwirth
  • Illumination device control systems and methods
    Patent number: 8760075
    Abstract: In various embodiments, a control system for an electronic circuit iteratively applies voltage to and senses current from a load to regulate operation of the load.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: June 24, 2014
    Assignee: Cooledge Lighting Inc.
    Inventors: Michael A. Tischler, William P. Coetzee, Paul Jungwirth