Patents by Inventor David M. Rector

David M. Rector 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: 20180062749
    Abstract: The present disclosure pertains to systems and methods for low-power optical transceivers. In one embodiment, a low-power optical transceiver may include a microcontroller and an optical receiver and an optical transmitter in communication with and controlled by the microcontroller. The optical receiver may include a photodetector configured to receive a first optical representation of a first signal to be received and to generate an electrical representation of the first signal. An amplifier may amplify the electrical representation of the first signal, and an output in electrical communication with the amplifier may generate an electrical output. The optical transmitter may include a laser diode configured to generate a second optical representation of a second signal to be transmitted. The microcontroller may be configured to control an output power of the laser diode.
    Type: Application
    Filed: August 22, 2017
    Publication date: March 1, 2018
    Applicant: Schweitzer Engineering Laboratories, Inc.
    Inventors: David M. Rector, Raymond W. Rice, Steven Watts, Vince B. Hadley
  • Patent number: 9300591
    Abstract: Disclosed is a network communication switch that facilitates reliable communication of high priority traffic over lower priority traffic across all ingress and egress ports. The network communication switch may monitor the frame storage buffer regardless of egress port, and when the frame storage buffer reaches a predetermined level, the switch may discard lower priority frames from the most congested port. When the frame storage buffer reaches a second predetermined level, the switch may discard lower priority frames before they are stored according to egress port. The network communication switch may further monitor ingress frames for priority, and assign priority to frames according to pre-assigned priority, ingress port, and/or frame contents.
    Type: Grant
    Filed: December 2, 2013
    Date of Patent: March 29, 2016
    Assignee: SCHWEITZER ENGINEERING LABORATORIES, INC.
    Inventors: Manodev J. Rajasekaran, David M. Rector, Damian Sanchez Moreno, M. Wesley Kunzler, Srinivas Achanta, Jerry J. Bennett, Ian C. Ender
  • Publication number: 20140211624
    Abstract: Disclosed is a network communication switch that facilitates reliable communication of high priority traffic over lower priority traffic across all ingress and egress ports. The network communication switch may monitor the frame storage buffer regardless of egress port, and when the frame storage buffer reaches a predetermined level, the switch may discard lower priority frames from the most congested port. When the frame storage buffer reaches a second predetermined level, the switch may discard lower priority frames before they are stored according to egress port. The network communication switch may further monitor ingress frames for priority, and assign priority to frames according to pre-assigned priority, ingress port, and/or frame contents.
    Type: Application
    Filed: December 2, 2013
    Publication date: July 31, 2014
    Applicant: SCHWEITZER ENGINEERING LABORATORIES, INC.
    Inventors: Manodev J. Rajasekaran, David M. Rector, Damian Sanchez Moreno, M. Wesley Kunzler, Srinivas Achanta, Jerry J. Bennett, Ian C. Ender
  • Patent number: 5798798
    Abstract: A system provides for simultaneous collection, storage and analysis of an analog signal and video signal. Multiplexes of up to 240 low bandwidth analog channels with a camera video signal is effective. The output is a standard composite video signal containing analog and video data. The combined signals can be stored on videotape, or can be digitized by a framegrabber. The circuitry separates horizontal synchronizing pulses from a camera output. The signal is then multiplexed with the video signal, such that a portion of each video horizontal line represents the analog data. The combined output is stored together, providing a means for synchronizing the two signals during analysis. The design allows easy coordination of animate and inanimate events with video images from a standard video camera. The system also provides for interleaving digitized physiological signals and video images of subjects onto digital media in a standard file format.
    Type: Grant
    Filed: February 26, 1996
    Date of Patent: August 25, 1998
    Assignee: The Regents of the University of California
    Inventors: David M. Rector, Ronald M. Harper
  • Patent number: 5517251
    Abstract: A system for processing multiple signals. The system includes a receiver for receiving a video signal representative of a camera image, the video signal being represented as multiple horizontal lines in a video frame, a receiver for receiving multiple analog signals, the analog signals being representative of different analog inputs, a buffer for digitally double buffering at least some of the analog signals, wherein the buffer effects repetition of analog signals within a single video image frame, repeats sampling of the analog signals more than once within a single video frame and the digitization enhances recovery of the signal resolution of the analog signal with greater frequency and representation than an analog signal on a video signal. The system also comprises a mixer for mixing the analog signals with the video signal whereby the analog signals are contained on at least some of the horizontal lines of the video frame, and an output for outputting the mixed analog and video signals.
    Type: Grant
    Filed: April 28, 1994
    Date of Patent: May 14, 1996
    Assignee: The Regents of the University of California
    Inventors: David M. Rector, Ronald M. Harper