Patents by Inventor Laszlo Gotz

Laszlo Gotz 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).

  • Patent number: 5347174
    Abstract: A circuit arrangement for converting a voltage drop (.DELTA.U) tapped from a test object from a predetermined input voltage range to a desired output voltage range includes a current mirror circuit fed by a constant current source (14) and comprising an input transistor (T1) and an output transistor (T2). The constant current source (14) lies in the collector line of the input transistor (T1) whilst in the collector line of the output transistor (T2) at least one diode (D1) lies which is traversed by a current having a value which is equal to the value of the current furnished by the constant current source (14). Lying in parallel with the series circuit of the output transistor (T2) and the diode (D1) is an identically configured circuit branch having a further transistor (T3) and at least one diode (D2) lying in the collector line thereof.
    Type: Grant
    Filed: July 1, 1992
    Date of Patent: September 13, 1994
    Assignee: Texas Instruments Deutschland GmbH
    Inventor: Laszlo Gotz
  • Patent number: 5319251
    Abstract: A circuit arrangement for generating a switching pulse in dependence upon an edge of a square-wave signal is proposed. The circuit arrangement includes a switch (T1) which is controlled by the square-wave signal and lies in a current path between a supply voltage line (12) and a ground line (10). In parallel with the switch (T1) there is a component (T3, T4) with thyristor behavior which comprises a control connection and changes to the conductive state when the voltage applied thereto is greater than a threshold voltage set at the control connection thereof. With the aid of a coupling element (T2) the voltage present at the component (T3, T4) is transferred to an output terminal (16).
    Type: Grant
    Filed: May 8, 1992
    Date of Patent: June 7, 1994
    Assignee: Texas Instruments Deutschland GmbH
    Inventor: Laszlo Gotz
  • Patent number: 5157571
    Abstract: A circuit arrangement for protecting an input of an integrated circuit (14) fed from a supply voltage source from overvoltages contains an input (26) which is connected to the input (12) of the integrated circuit to be protected. A four-layer diode (T1, T2) having two control terminals lies in parallel with the input (12) to be protected and a negative feedback resistor (R1) is connected in series with the four-layer diode. Connected to the one control terminal of the four-layer diode (T1, T2) is the control terminal of a controllable current drain element (T4) which is connected in parallel with the four-layer diode (T1, T2). For applying a reference voltage, the junction point of a series circuit comprising a diode (T3) and a constant current source (S) lying between the supply voltage and ground is connected to the other control terminal.
    Type: Grant
    Filed: February 6, 1991
    Date of Patent: October 20, 1992
    Assignee: Texas Instruments Deutschland GmbH
    Inventor: Laszlo Gotz
  • Patent number: 4531097
    Abstract: A high frequency amplifier comprising a pair of input transistors forming a differential amplifier stage, with an impedance connected between the common terminals of the input transistors to vary the amplification factor of the amplifier stage. The variable impedance is formed by a diode bridge the a.c. terminals of which are connected to the common terminals of the input transistors and the d.c. terminals of which are connected to a circuit arrangement including current mirrors to feed a d.c. current to the diode bridge to control its impedance and hence the amplification factor of the differential amplifier stage.
    Type: Grant
    Filed: June 21, 1983
    Date of Patent: July 23, 1985
    Assignee: Texas Instruments Deutschland GmbH
    Inventors: Laszlo Gotz, Hermann Kowatsch
  • Patent number: 4159487
    Abstract: An automatic TV tuner circuit responsive to a tuning voltage for tuning over a desired frequency reception range. The tuning voltage is generated by a staircase voltage generator. A discriminator produces an output signal having a nominal value when the receiver is tuned to a transmitted broadcast frequency and at a discriminator output having a predetermined difference from the nominal value, a sequence control circuit halts the operation of the staircase generator and regulates the tuning voltage in a continuous manner under control of the discriminator output signal to complete the tuning process.
    Type: Grant
    Filed: September 7, 1976
    Date of Patent: June 26, 1979
    Assignee: Texas Instruments Deutschland GmbH
    Inventors: Karl Elshuber, Hans Tonn, Laszlo Gotz
  • Patent number: 4004231
    Abstract: A circuit arrangement for automatic fine tuning of a broadcast receiver to an assigned transmission frequency. The receiver has an input stage which can be tuned over a desired receiving frequency range by a variable control voltage fed to the input stage. The input stage feeds a discriminator having an S-shaped output signal characteristic and producing an output signal having a given nominal value when the input stage is tuned to the assigned frequency. A first variable frequency clock generator is controlled by a control signal depending on the output signal of the discriminator and feeds an up/down counter the count of which is converted by a digital-analog converter into the control voltage for the input stage. The first clock generator is so designed that its output signal frequency varies constantly in dependence on the deviation of the discriminator output signal from the nominal value, and that it has a zero value when the discriminator output signal has the nominal value.
    Type: Grant
    Filed: May 21, 1975
    Date of Patent: January 18, 1977
    Assignee: Texas Instruments Incorporated
    Inventors: Karl Elshuber, Laszlo Gotz