Patents by Inventor Lemuel Thompson

Lemuel Thompson 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).

  • Fast-response current limiting
    Publication number: 20050218993
    Abstract: An amplifier (10?) has a first amplifier stage (14) for producing a control current (IX) in response to an input voltage. A second amplifier stage (16) has first (46) and second (38) transistors. The first transistor (46) is coupled to receive the control current (IX) and is operable to produce a control voltage. The second transistor (38) is coupled to receive the control voltage and operable to produce an output current. A nonlinear resistive element (50) is coupled to the first transistor (46) to add a nonlinear function of the control current (IX) to the control voltage. The nonlinear resistive element (50) may include a third transistor connected between the first transistor (46) and a reference potential, operable to receive the control current (IX) and to generate the nonlinear function thereof.
    Type: Application
    Filed: May 25, 2005
    Publication date: October 6, 2005
    Inventors: Roy Hastings, Lemuel Thompson
  • Fast-response current limiting
    Publication number: 20050062542
    Abstract: An amplifier (10?) has a first amplifier stage (14) for producing a control current (IX) in response to an input voltage. A second amplifier stage (16) has first (46) and second (38) transistors. The first transistor (46) is coupled to receive the control current (IX) and is operable to produce a control voltage. The second transistor (38) is coupled to receive the control voltage and operable to produce an output current. A nonlinear resistive element (50) is coupled to the first transistor (46) to add a nonlinear function of the control current (IX) to the control voltage. The nonlinear resistive element (50) may include a third transistor connected between the first transistor (46) and a reference potential, operable to receive the control current (IX) and to generate the nonlinear function thereof.
    Type: Application
    Filed: November 1, 2004
    Publication date: March 24, 2005
    Inventors: Roy Hastings, Lemuel Thompson
  • FAST-RESPONSE CURRENT LIMITING
    Publication number: 20050052244
    Abstract: An amplifier (10?) has a first amplifier stage (14) for producing a control current (IX) in response to an input voltage. A second amplifier stage (16) has first (46) and second (38) transistors. The first transistor (46) is coupled to receive the control current (IX) and is operable to produce a control voltage. The second transistor (38) is coupled to receive the control voltage and operable to produce an output current. A nonlinear resistive element (50) is coupled to the first transistor (46) to add a nonlinear function of the control current (IX) to the control voltage. The nonlinear resistive element (50) may include a third transistor connected between the first transistor (46) and a reference potential, operable to receive the control current (IX) and to generate the nonlinear function thereof.
    Type: Application
    Filed: September 9, 2003
    Publication date: March 10, 2005
    Applicant: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Roy Hastings, Lemuel Thompson