Patents by Inventor Jeffrey S. Hayes

Jeffrey S. Hayes 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).

  • Publication number: 20160113086
    Abstract: A load control device for controlling the amount of power delivered to an electrical load is able to operate in a burst mode to adjust the amount of power delivered to the electrical load to low levels. The load control device comprises a control circuit that operates in a normal mode to regulate an average magnitude of a load current conducted through the load to a target load current that ranges from a maximum rated current to a minimum rated current. The control circuit operates in the burst mode to regulate the average magnitude of the load current below the minimum rated current. During the burst mode, the control circuit regulates a peak magnitude of the load current to the minimum rated current during a first time period, and stops regulating the load current during a second time period, such that the average magnitude of the load current is below the minimum rated current.
    Type: Application
    Filed: December 18, 2015
    Publication date: April 21, 2016
    Applicant: Lutron Electronics Co., Inc.
    Inventors: Venkatesh Chitta, Jeffrey S. Hayes, Robert D. Stevens, JR.
  • Patent number: 9247608
    Abstract: A load control device for controlling the amount of power delivered to an electrical load is able to operate in a burst mode to adjust the amount of power delivered to the electrical load to low levels. The load control device comprises a control circuit that operates in a normal mode to regulate an average magnitude of a load current conducted through the load to a target load current that ranges from a maximum rated current to a minimum rated current. The control circuit operates in the burst mode to regulate the average magnitude of the load current below the minimum rated current. During the burst mode, the control circuit regulates a peak magnitude of the load current to the minimum rated current during a first time period, and stops regulating the load current during a second time period, such that the average magnitude of the load current is below the minimum rated current.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: January 26, 2016
    Assignee: LUTRON ELECTRONICS CO., INC.
    Inventors: Venkatesh Chitta, Jeffrey S. Hayes, Robert D. Stevens, Jr.
  • Publication number: 20150318787
    Abstract: A load control device for controlling the amount of power delivered to an electrical load is able to operate in a burst mode to adjust the amount of power delivered to the electrical load to low levels. The load control device comprises a control circuit that operates in a normal mode to regulate an average magnitude of a load current conducted through the load to a target load current that ranges from a maximum rated current to a minimum rated current. The control circuit operates in the burst mode to regulate the average magnitude of the load current below the minimum rated current. During the burst mode, the control circuit regulates a peak magnitude of the load current to the minimum rated current during a first time period, and stops regulating the load current during a second time period, such that the average magnitude of the load current is below the minimum rated current.
    Type: Application
    Filed: November 7, 2014
    Publication date: November 5, 2015
    Applicant: Lutron Electronics Co., Inc.
    Inventors: Venkatesh Chitta, Jeffrey S. Hayes, Robert D. Stevens, JR.
  • Publication number: 20150130372
    Abstract: A load control device for controlling the amount of power delivered to an electrical load is able to operate in a burst mode to adjust the amount of power delivered to the electrical load to low levels. The load control device comprises a control circuit that operates in a normal mode to regulate an average magnitude of a load current conducted through the load to a target load current that ranges from a maximum rated current to a minimum rated current. The control circuit operates in the burst mode to regulate the average magnitude of the load current below the minimum rated current. During the burst mode, the control circuit regulates a peak magnitude of the load current to the minimum rated current during a first time period, and stops regulating the load current during a second time period, such that the average magnitude of the load current is below the minimum rated current.
    Type: Application
    Filed: November 7, 2014
    Publication date: May 14, 2015
    Applicant: Lutron Electronics Co., Inc.
    Inventors: Venkatesh Chitta, Jeffrey S. Hayes, Robert D. Stevens, JR.
  • Patent number: 8787594
    Abstract: A volume level and crossfade controller with programmable fades and audio stream priority controls saturation for a multiple audio stream mixer. Start of fade and end of fade events trigger updates of relative volume level targets and volume ramps.
    Type: Grant
    Filed: January 30, 2006
    Date of Patent: July 22, 2014
    Assignee: Texas Instruments Incorporated
    Inventors: Stephen J. Fedigan, Daniel S. Jochalson, Jason D. Kridner, Jeffrey S. Hayes
  • Patent number: 6748363
    Abstract: According to the present invention, there is developed a proprietary technology for compressing the window tables of audio coders to ⅛ their original size (or less) without any loss of quality. This technology can be applied to all transform based audio coders, or any audio coder that uses a windowing stage. The novel technique for reducing storage requirements for the window tables of audio coders is based on multiple differentiation. Since the difference between any two adjacent samples in the first difference signal is small, so it is more efficient to store this difference. This technique can be carried out several more times, until the returns get smaller, and the computational requirements to “undo” the compression go up. The optimum number of times to differentiate is dependent on the particular application and the window shape.
    Type: Grant
    Filed: June 28, 2000
    Date of Patent: June 8, 2004
    Assignee: Texas Instruments Incorporated
    Inventors: Charles D. Lueck, Alec C. Robinson, Jonathan L. Rowlands, Jeffrey S. Hayes