Patents by Inventor Thomas Lynn Carter, IV

Thomas Lynn Carter, IV 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).

  • Modem designs, and systems using the modem designs for communicating information between a number of remote locations and one or more central locations
    Patent number: 6282236
    Abstract: Various modem designs are described, along with systems that use the modem designs for communicating data between a large number of remote locations and one or more central locations preferably over CATV. One aspect features a modem having a transmitter which uses a state machine and digital waveform signals stored in a memory to create a modulated signal. Another aspect features a modem having a receiver which uses a digital correlator including an SRAM for detecting a bipolar phase shift keyed signal. Still another aspect features a modem comprising an oscillator circuit having a feedback loop, wherein the feedback loop utilizes a downlink signal, and a protection circuit which prevents a malfunction in the modem from causing system-wide shutdown.
    Type: Grant
    Filed: April 3, 1997
    Date of Patent: August 28, 2001
    Assignee: Lucent Technologies, Inc.
    Inventor: Thomas Lynn Carter, IV
  • Bipolar FSK digital waveform synthesizer for modem systems
    Patent number: 6172632
    Abstract: Various modem designs are described, along with systems that use the modem designs for communicating data between a large number of remote locations and one or more central locations preferably over CATV. One aspect features a modem having a transmitter which uses a state machine and digital waveform signals stored in a memory to create a modulated signal. Another aspect features a modem having a receiver which uses a digital correlator including an SRAM for detecting a bipolar phase shift keyed signal. Still another aspect features a modem comprising an oscillator circuit having a feedback loop, wherein the feedback loop utilizes a downlink signal, and a protection circuit which prevents a malfunction in the modem from causing system-wide shutdown.
    Type: Grant
    Filed: October 6, 1999
    Date of Patent: January 9, 2001
    Assignee: Lucent Technologies Inc.
    Inventor: Thomas Lynn Carter, IV
  • Modem designs, and systems using the modem designs for communicating information between a number of remote locations and one or more central locations
    Patent number: 6067325
    Abstract: Various modem designs are described, along with systems that use the modem designs for communicating data between a large number of remote locations and one or more central locations preferably over CATV. One aspect features a modem having a transmitter which uses a state machine and digital waveform signals stored in a memory to create a modulated signal. Another aspect features a modem having a receiver which uses a digital correlator including an SRAM for detecting a bipolar phase shift keyed signal. Still another aspect features a modem comprising an oscillator circuit having a feedback loop, wherein the feedback loop utilizes a downlink signal, and a protection circuit which prevents a malfunction in the modem from causing system-wide shutdown.
    Type: Grant
    Filed: October 6, 1999
    Date of Patent: May 23, 2000
    Assignee: Lucent Technologies, Inc.
    Inventor: Thomas Lynn Carter, IV