Patents by Inventor Reinhold Elferich

Reinhold Elferich 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: 10879791
    Abstract: Various improvements are provided to resonant DC/DC and AC/DC converter circuit. The improvements are of particular interest for LLC circuits. Some examples relate to self-oscillating circuit and others relate to converter circuits with frequency control, for example for power factor correction, driven by an oscillator.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: December 29, 2020
    Assignee: Signify Holding B.V.
    Inventors: Reinhold Elferich, David Llewellyn John, William Peter Mechtildis Marie Jans, Johannes Hubertus Gerardus Op Het Veld
  • Patent number: 10734889
    Abstract: Various improvements are provided to resonant DC/DC and AC/DC converter circuit. The improvements are of particular interest for LLC circuits. Some examples relate to self-oscillating circuit and others relate to converter circuits with frequency control, for example for power factor correction, driven by an oscillator.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: August 4, 2020
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: Reinhold Elferich, David Llewellyn John, William Peter Mechtildis Marie Jans, Johannes Hubertus Gerardus Op Het Veld
  • Patent number: 10680510
    Abstract: An AC/DC PFC converter comprises an LLC PFC pre-regulator and a DC/DC converter output stage. The output stage has a feedback unit adapted to provide a feedback signal (in addition to the conventional feedback of the bus voltage error) to the control circuit of the PFC pre-regulator for modulating the controlled output voltage of the PFC pre-regulator in dependence on the output power and/or the input current and voltage. In this way, the total harmonic distortion of the input of the converter can be reduced by controlling the gate switching in the PFC pre-regulator.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: June 9, 2020
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: Reinhold Elferich, David Llewellyn John
  • Patent number: 10622894
    Abstract: A synchronous converter for driving a load (4) comprises a first switch (M1) coupled in series with a second switch (M2) via a node (x), an inductor (L1) coupled to the node (x), input terminals (10, 11) for receiving an input voltage (Vin) from a power source, output terminals (12, 13) for supplying an output current and an output voltage to the load (4), a first mode wherein the first switch (M1) is in an on state and the second switch (M2) is in an off state, and wherein the first switch and the inductor (L1) form a series arrangement coupled between the input terminals (10, 11), a second mode wherein the first switch (M1) is in the off state and the second switch (M2) is in the on state, and wherein the second switch (M2) and the inductor (L1) form a series arrangement coupled between the output terminals (12, 13).
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: April 14, 2020
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: Binghong Wang, Reinhold Elferich
  • Publication number: 20200007032
    Abstract: Various improvements are provided to resonant DC/DC and AC/DC converter circuit. The improvements are of particular interest for LLC circuits. Some examples relate to self-oscillating circuit and others relate to converter circuits with frequency control, for example for power factor correction, driven by an oscillator.
    Type: Application
    Filed: September 9, 2019
    Publication date: January 2, 2020
    Inventors: REINHOLD ELFERICH, DAVID LLEWELLYN JOHN, WILLIAM PETER MECHTILDIS MARIE JANS, JOHANNES HUBERTUS GERARDUS OP HET VELD
  • Publication number: 20190372461
    Abstract: A synchronous converter for driving a load (4) comprises a first switch (M1) coupled in series with a second switch (M2) via a node (x), an inductor (L1) coupled to the node (x), input terminals (10, 11) for receiving an input voltage (Vin) from a power source, output terminals (12, 13) for supplying an output current and an output voltage to the load (4), a first mode wherein the first switch (M1) is in an on state and the second switch (M2) is in an off state, and wherein the first switch and the inductor (L1) form a series arrangement coupled between the input terminals (10, 11), a second mode wherein the first switch (M1) is in the off state and the second switch (M2) is in the on state, and wherein the second switch (M2) and the inductor (L1) form a series arrangement coupled between the output terminals (12, 13).
    Type: Application
    Filed: December 5, 2017
    Publication date: December 5, 2019
    Inventors: BINGHONG WANG, REINHOLD ELFERICH
  • Patent number: 10454382
    Abstract: A half bridge resonant converter comprises a half bridge inverter having a high side switch and a low side switch with an output defined from a node between the high side switch and the low side switch. The output connects to a resonant circuit. There are separate control circuits for generating the gate drive signals for controlling the switching of the high side switch and low side switch, in dependence on an electrical feedback parameter, each with different reference voltage supplies.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: October 22, 2019
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: Johannes Hubertus Gerardus Op Het Veld, David Llewellyn John, Reinhold Elferich, William Peter Mechtildis Marie Jans
  • Patent number: 10447148
    Abstract: Various improvements are provided to resonant DC/DC and AC/DC converter circuit. The improvements are of particular interest for LLC circuits. Some examples relate to self-oscillating circuit and others relate to converter circuits with frequency control, for example for power factor correction, driven by an oscillator.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: October 15, 2019
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: Reinhold Elferich, David Llewellyn John, William Peter Mechtildis Marie Jans, Johannes Hubertus Gerardus Op Het Veld
  • Patent number: 10447147
    Abstract: Various improvements are provided to resonant DC/DC and AC/DC converter circuit. The improvements are of particular interest for LLC circuits. Some examples relate to self-oscillating circuit and others relate to converter circuits with frequency control, for example for power factor correction, driven by an oscillator.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: October 15, 2019
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: Johannes Hubertus Gerardus Op Het Veld, David Llewellyn John, Reinhold Elferich, William Peter Mechtildis Marie Jans
  • Patent number: 10418913
    Abstract: Various improvements are provided to resonant DC/DC and AC/DC converter circuit. The improvements are of particular interest for LLC circuits. Some examples relate to self-oscillating circuit and others relate to converter circuits with frequency control, for example for power factor correction, driven by an oscillator.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: September 17, 2019
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: William Peter Mechtildis Marie Jans, David Liewellyyn John, Reinhold Elferich, Johannes Hubertus Gerardus Op Het Veld
  • Patent number: 10389260
    Abstract: A half bridge resonant converter comprises a half bridge inverter having a high side switch and a low side switch with an output defined from a node between the high side switch and the low side switch. The output connects to a resonant circuit. There are separate control circuits for generating the gate drive signals for controlling the switching of the high side switch and low side switch, in dependence on an electrical feedback parameter, each with different reference voltage supplies.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: August 20, 2019
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: Johannes Hubertus Gerardus Op Het Veld, Dave Llewellyn John, Reinhold Elferich, William Peter Mechtidis Marie Jans
  • Patent number: 10263510
    Abstract: Various improvements are provided to resonant DC/DC and AC/DC converter circuit. The improvements are of particular interest for LLC circuits. Some examples relate to self-oscillating circuit and others relate to converter circuits with frequency control, for example for power factor correction, driven by an oscillator.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: April 16, 2019
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: William Peter Mechtildis Marie Jans, David Llewellyn John, Reinhold Elferich, Johannes Hubertus Gerardus Op Het Veld
  • Publication number: 20190103210
    Abstract: The invention describes a split transformer assembly (1) comprising a first partial assembly (10) comprising a primary winding arrangement (10W) shaped to accommodate a first core half (10C); a second partial assembly (20) comprising a secondary winding arrangement (20W) shaped to accommodate a second core half (20C); and wherein the first partial assembly (10) is realized for mounting on one side of a circuit board (3) and the second partial assembly (20) is realized for mounting on the opposite side of the circuit board (3) such that the core halves (10C, 20C) of the partial assemblies (10, 20) are completely isolated by the material of the circuit board (3). The invention further describes a switching converter circuit arrangement (2), and a method of assembling a split transformer (1).
    Type: Application
    Filed: April 7, 2017
    Publication date: April 4, 2019
    Inventors: REINHOLD ELFERICH, LUDWIG OOSTVOGELS, PETRUS JOHANNES MARIA VAN OS, WILLEM VAN DIJK
  • Publication number: 20190097542
    Abstract: A half bridge resonant converter comprises a half bridge inverter having a high side switch and a low side switch with an output defined from a node between the high side switch and the low side switch. The output connects to a resonant circuit. There are separate control circuits for generating the gate drive signals for controlling the switching of the high side switch and low side switch, in dependence on an electrical feedback parameter, each with different reference voltage supplies.
    Type: Application
    Filed: April 11, 2017
    Publication date: March 28, 2019
    Inventors: JOHANNES HUBERTUS GERARDUS OP HET VELD, DAVE LLEWELLYN JOHN, REINHOLD ELFERICH, WILLIAM PETER MECHTIDIS MARIE JANS
  • Publication number: 20190089254
    Abstract: A half bridge resonant converter comprises a half bridge inverter having a high side switch and a low side switch with an output defined from a node between the high side switch and the low side switch. The output connects to a resonant circuit. There are separate control circuits for generating the gate drive signals for controlling the switching of the high side switch and low side switch, in dependence on an electrical feedback parameter, each with different reference voltage supplies.
    Type: Application
    Filed: April 11, 2017
    Publication date: March 21, 2019
    Inventors: Johannes Hubertus Gerardus OP HET VELD, David Llewellyn JOHN, Reinhold ELFERICH, William Peter Mechtildis Marie JANS
  • Publication number: 20190081565
    Abstract: Various improvements are provided to resonant DC/DC and AC/DC converter circuit. The improvements are of particular interest for LLC circuits. Some examples relate to self-oscillating circuit and others relate to converter circuits with frequency control, for example for power factor correction, driven by an oscillator.
    Type: Application
    Filed: February 7, 2017
    Publication date: March 14, 2019
    Inventors: William Peter Mechtildis Maie JANS, David Llewellyn JOHN, Reinhold ELFERICH, Johannes, Hubertus OP HET VELD
  • Publication number: 20190058393
    Abstract: An AC/DC PFC converter comprises an LLC PFC pre-regulator and a DC/DC converter output stage. The output stage has a feedback unit adapted to provide a feedback signal (in addition to the conventional feedback of the bus voltage error) to the control circuit of the PFC pre-regulator for modulating the controlled output voltage of the PFC pre-regulator in dependence on the output power and/or the input current and voltage. In this way, the total harmonic distortion of the input of the converter can be reduced by controlling the gate switching in the PFC pre-regulator.
    Type: Application
    Filed: March 23, 2017
    Publication date: February 21, 2019
    Applicant: Philips Lighting Holding B.V.
    Inventors: Reinhold ELFERICH, David Llewellyn JOHN
  • Publication number: 20190044432
    Abstract: Various improvements are provided to resonant DC/DC and AC/DC converter circuit. The improvements are of particular interest for LLC circuits. Some examples relate to self-oscillating circuit and others relate to converter circuits with frequency control, for example for power factor correction, driven by an oscillator.
    Type: Application
    Filed: February 6, 2017
    Publication date: February 7, 2019
    Inventors: Johannes Hubertus Gerardus OP HET VELD, David Llewellyn JOHN, Reinhold ELFERICH, William Peter Mechtildis Marie JANS
  • Publication number: 20190044434
    Abstract: Various improvements are provided to resonant DC/DC and AC/DC converter circuit. The improvements are of particular interest for LLC circuits. Some examples relate to self-oscillating circuit and others relate to converter circuits with frequency control, for example for power factor correction, driven by an oscillator.
    Type: Application
    Filed: February 6, 2017
    Publication date: February 7, 2019
    Inventors: Reinhold ELFERICH, David Llewellyn JOHN, William Peter Mechtildis Marie JANS, Johannes Hubertus Gerardus OP HET VELD
  • Publication number: 20190044433
    Abstract: Various improvements are provided to resonant DC/DC and AC/DC converter circuit. The improvements are of particular interest for LLC circuits. Some examples relate to self-oscillating circuit and others relate to converter circuits with frequency control, for example for power factor correction, driven by an oscillator.
    Type: Application
    Filed: February 8, 2017
    Publication date: February 7, 2019
    Inventors: Reinhold ELFERICH, David Llewellyn JOHN, William Peter Mechtildis Marie JANS, Johannes Hubertus Gerardus OP HET VELD