Patents by Inventor Guy Louis Paul DE BONDT
Guy Louis Paul DE BONDT 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: 20240147590Abstract: A power converter for converting an input to an output for driving a load, said power converter comprising a switched mode power supply, SMPS, arranged for receiving an input and for converting said input to an output for driving said load, a buffer capacitor connected in a parallel branch across said load and arranged for buffering said output from said SMPS, a charge circuit, separate from said SMPS, and arranged for providing a charge current to said buffer capacitor until a voltage over said buffer capacitor exceeds a voltage threshold.Type: ApplicationFiled: March 4, 2022Publication date: May 2, 2024Inventors: GUY LOUIS PAUL DE BONDT, FRITS TOBI DE JONGH, DALIBOR CVORIC, HERMANUS JOHANNES MARIA VOS
-
Publication number: 20240121871Abstract: In order to provide a balance between a fast start-up in start-up phase and a low light output ripple in normal operation phase, it is provided a LED driving circuit comprising: an input to receive a LED driving current, a buffer circuit adapted to buffer said LED driving current, and an output to be connected to LED and adapted to output the LED driving current, after buffered, to the LED, characterized in that, further comprises a buffer adjustment circuit adapted to adjust the buffer capability of the buffer circuit at a first level, in a start-up phase of the LED driving circuit when the LED driving circuit starts to receive said LED driving current, and adjust the buffer capability of the buffer circuit at a second level larger than the first level in a normal operation phase later than the start-up phase.Type: ApplicationFiled: March 7, 2022Publication date: April 11, 2024Inventors: SHAN QING, GUY LOUIS PAUL DE BONDT, JUNWEI TIAN, DALIBOR CVORIC, MORNA SHEN, HERMANUS JOHANNES MARIA VOS, FRITS TOBI DE JONGH
-
Patent number: 11758627Abstract: A Light Emitting Diode, LED, based lighting device arranged for connection to an Alternating Current, AC, mains supply, comprising a zero-crossing detection module arranged for detecting a zero-crossing in an AC voltage supplied by said AC mains supply, a detection pulse module arranged for providing a detection pulse based on said detected zero-crossing, a human body detection module arranged for determining a current drawn from said AC mains supply during said provided detection pulse, and for determining presence of a human body based on said determined current, wherein said detection pulse module is arranged for providing said detection pulse during a rising, positive, edge of said AC voltage.Type: GrantFiled: June 23, 2020Date of Patent: September 12, 2023Assignee: SIGNIFY HOLDING B.V.Inventors: Guy Louis Paul De Bondt, Dalibor Cvoric, Franciscus Jacobus Vossen, Haimin Tao, Hermanus Johannes Maria Vos
-
Publication number: 20220346205Abstract: A Light Emitting Diode, LED, based lighting device arranged for connection to an Alternating Current, AC, mains supply, comprising a zero-crossing detection module arranged for detecting a zero-crossing in an AC voltage supplied by said AC mains supply, a detection pulse module arranged for providing a detection pulse based on said detected zero-crossing, a human body detection module arranged for determining a current drawn from said AC mains supply during said provided detection pulse, and for determining presence of a human body based on said determined current, wherein said detection pulse module is arranged for providing said detection pulse during a rising, positive, edge of said AC voltage.Type: ApplicationFiled: June 23, 2020Publication date: October 27, 2022Inventors: Guy Louis Paul DE BONDT, Dalibor CVORIC, Franciscus Jacobus VOSSEN, Haimin TAO, Hermanus Johannes Maria VOS
-
Patent number: 10951129Abstract: An AC input power converter comprising a rectifier circuit (D3, D4, D5, D6) for rectifying an AC input signal, a first unidirectional device (D1) coupled in series with a first capacitor (C1) for charging the first capacitor (C1) and wherein the first unidirectional device (D1) and the first capacitor (C1) are arranged in parallel to an output of the rectifier circuit (D3, D4, D5, D6), a second unidirectional device (D2) coupled in series with a second capacitor (C2) for charging the second capacitor (C2) and wherein the second unidirectional device (D2) and the second capacitor (C2) are arranged in parallel to an output of the rectifier circuit (D3, D4, D5, D6), a first output (OUT1) for providing a first power and a first average voltage to a first power converter, wherein the first output (OUT1) s coupled to a first node between the first capacitor (C1) and the first unidirectional device (D1) and a second output (OUT2) for providing a second power and a second average voltage to a second power converter,Type: GrantFiled: June 12, 2018Date of Patent: March 16, 2021Assignee: SIGNIFY HOLDING B.V.Inventors: Guy Louis Paul De Bondt, Theo Gerrit Zijlman, Georg Sauerlander
-
Patent number: 10910941Abstract: The present invention provides an AC/DC converter comprises an input for receiving a rectified AC input signal (Vin), an output for providing a controlled output signal (Vout) to a load (7), a switched mode power converter for transforming the AC input signal (Vin) into the controlled output signal (Vout), wherein the switched mode power converter has an input for receiving a start-up voltage (Vstart) for changing a stand-by mode of the switched mode power converter into an operating mode of the switched mode power converter, a control circuit (5) for receiving a control signal (Vctl), a kick-start power supply (6) for receiving a switch-on signal (Von) to supply the start-up voltage (Vstart) being larger than a power supply voltage (Vsup), an auxiliary power supply (4) for supplying the power supply voltage (Vsup) to the control circuit (5) and the kick-start power supply (6), wherein the control circuit (5) is arranged for activating the switch-on signal (Von) to activate the kick-start power supply (6) forType: GrantFiled: October 10, 2018Date of Patent: February 2, 2021Assignee: SIGNIFY HOLDING B.V.Inventors: Guy Louis Paul De Bondt, Bertrand Johan Edward Hontele
-
Patent number: 10908351Abstract: The present invention relates to a frame (100) for supporting a light guide panel (120). The frame (100) being provided with: a solid state light source (102) connected to and arranged on a circuit board (104), the circuit board (104) comprising an electrically insulating outer perimeter portion (104a); an insulation layer (106) being electrically insulating, the insulation layer (106) having a surface area larger than a surface area of the circuit board (104); wherein the insulation layer (106) is arranged on the frame (100); the circuit board (104) is arranged on the insulation layer (106) such that an insulating outer perimeter portion (106a) of the insulation layer (106) is formed outside of the circuit board (106); thereby providing a double insulation of the solid state light source (102) in relation to the frame (100). The invention also relates to a luminaire (130) comprising the frame (100).Type: GrantFiled: February 7, 2018Date of Patent: February 2, 2021Assignee: SIGNIFY HOLDING B.V.Inventors: Robertus Johannes Maria Mathilde Snijkers, René Theodorus Wegh, Eugen Jacob De Mol, Guy Louis Paul De Bondt, Nicolaas Antonie Van Rijswijk
-
Publication number: 20200304016Abstract: The present invention provides an AC/DC converter comprises an input for receiving a rectified AC input signal (Vin), an output for providing a controlled output signal (Vout) to a load (7), a switched mode power converter for transforming the AC input signal (Vin) into the controlled output signal (Vout), wherein the switched mode power converter has an input for receiving a start-up voltage (Vstart) for changing a stand-by mode of the switched mode power converter into an operating mode of the switched mode power converter, a control circuit (5) for receiving a control signal (Vctl), a kick-start power supply (6) for receiving a switch-on signal (Von) to supply the start-up voltage (Vstart) being larger than a power supply voltage (Vsup), an auxiliary power supply (4) for supplying the power supply voltage (Vsup) to the control circuit (5) and the kick-start power supply (6), wherein the control circuit (5) is arranged for activating the switch-on signal (Von) to activate the kick-start power supply (6) forType: ApplicationFiled: October 10, 2018Publication date: September 24, 2020Inventors: GUY LOUIS PAUL DE BONDT, BERTRAND JOHAN EDWARD HONTELE
-
Publication number: 20200119657Abstract: An AC input power converter comprising a rectifier circuit (D3, D4, D5, D6) for rectifying an AC input signal, a first unidirectional device (D1) coupled in series with a first capacitor (C1) for charging the first capacitor (C1) and wherein the first unidirectional device (D1) and the first capacitor (C1) are arranged in parallel to an output of the rectifier circuit (D3, D4, D5, D6), a second unidirectional device (D2) coupled in series with a second capacitor (C2) for charging the second capacitor (C2) and wherein the second unidirectional device (D2) and the second capacitor (C2) are arranged in parallel to an output of the rectifier circuit (D3, D4, D5, D6), a first output (OUT1) for providing a first power and a first average voltage to a first power converter, wherein the first output (OUT1) s coupled to a first node between the first capacitor (C1) and the first unidirectional device (D1) and a second output (OUT2) for providing a second power and a second average voltage to a second power converter,Type: ApplicationFiled: June 12, 2018Publication date: April 16, 2020Inventors: GUY LOUIS PAUL DE BONDT, THEO GERRIT ZIJLMAN, GEORG SAUERLANDER
-
Patent number: 10228092Abstract: A lighting device (100) and a method of manufacturing a lighting device, wherein the lighting device comprises at least one light source (110) arranged to generate light. The lighting device further comprises a light-transmissive envelope (120) enclosing the at least one light source and being arranged to transmit the light generated from the light source. The lighting device further comprises a driver unit (130) arranged for electrical supply to the at least one light source, the driver unit comprising a primary driver circuit (140) connectable to an electric energy source, at least one secondary driver circuit (150) connected to the at least one light source, and a transformer (160) arranged to transfer electrical energy between the primary driver circuit and the at least one secondary driver circuit, wherein at least the transformer and the at least one secondary driver circuit driver unit are arranged within the envelope.Type: GrantFiled: February 9, 2016Date of Patent: March 12, 2019Assignee: PHILIPS LIGHTING HOLDING B.V.Inventors: Guy Louis Paul De Bondt, Coen Theorodus Hubertus Fransiscus Liedenbaum, Christian Hattrup, Georg Sauerländer, Adrianus Sempel, Henricus Franciscus Bonekamp, Theodorus Johannes Petrus Van Den Biggelaar
-
Patent number: 10177678Abstract: Arrangements (1) for buffering energy comprise buffer capacitor circuits (10) with one or more buffer capacitors (11), first circuits (20) for guiding charging currents for charging the buffer capacitor circuits (10), and second circuits (30) with current source circuits (31-34) for defining amplitudes of de-charging currents for de-charging the buffer capacitor circuits (10), to better control the de-charging of the buffer capacitor circuits (10). The second circuits (30) may further comprise trigger circuits (51-53) for bringing the current source circuits (31-34) into activated modes, and latch circuits (61-63) for latching the current source circuits (31-34). The arrangements (1) may further comprise smoothing capacitor circuits (40) with one or more smoothing capacitors (41). The buffer capacitor circuits (10) may be coupled serially to the first circuits (20), and the first and second circuits (20, 30) may be coupled in parallel to each other.Type: GrantFiled: January 8, 2015Date of Patent: January 8, 2019Assignee: PHILIPS LIGHTING HOLDING B.V.Inventors: Guy Louis Paul De Bondt, Georg Sauerländer, Christian Hattrup
-
Publication number: 20180231710Abstract: The present invention relates to a frame (100) for supporting a light guide panel (120). The frame (100) being provided with: a solid state light source (102) connected to and arranged on a circuit board (104), the circuit board (104) comprising an electrically insulating outer perimeter portion (104a); an insulation layer (106) being electrically insulating, the insulation layer (106) having a surface area larger than a surface area of the circuit board (104); wherein the insulation layer (106) is arranged on the frame (100); the circuit board (104) is arranged on the insulation layer (106) such that an insulating outer perimeter portion (106a) of the insulation layer (106) is formed outside of the circuit board (106); thereby providing a double insulation of the solid state light source (102) in relation to the frame (100). The invention also relates to a luminaire (130) comprising the frame (100).Type: ApplicationFiled: February 7, 2018Publication date: August 16, 2018Inventors: Robertus Johannes Maria Mathilde SNIJKERS, René Theodorus WEGH, Eugen Jacob DE MOL, Guy Louis Paul DE BONDT, Nicolaas Antonie VAN RIJSWIJK
-
Publication number: 20180023769Abstract: A lighting device (100) and a method of manufacturing a lighting device, wherein the lighting device comprises at least one light source (110) arranged to generate light. The lighting device further comprises a light-transmissive envelope (120) enclosing the at least one light source and being arranged to transmit the light generated from the light source. The lighting device further comprises a driver unit (130) arranged for electrical supply to the at least one light source, the driver unit comprising a primary driver circuit (140) connectable to an electric energy source, at least one secondary driver circuit (150) connected to the at least one light source, and a transformer (160) arranged to transfer electrical energy between the primary driver circuit and the at least one secondary driver circuit, wherein at least the transformer and the at least one secondary driver circuit driver unit are arranged within the envelope.Type: ApplicationFiled: February 9, 2016Publication date: January 25, 2018Inventors: Guy Louis Paul DE BONDT, Coen Theorodus Hubertus Fransiscus LIEDENBAUM, Christian HATTRUP, Georg SAUERLÄNDER, Adrianus SEMPEL, Henricus Franciscus BONEKAMP, Theodorus Johannes Petrus VAN DEN BIGGELAAR
-
Publication number: 20170229970Abstract: A switch-mode power supply device (1) is disclosed. The switch-mode power supply device (1) has a main circuit (6) configured to receive a DC input voltage and to provide a DC output voltage. The main circuit (6) comprises: an inductor element (12) generating the DC output voltage, a switching element (9) connected to the inductor element (12), and a controller (7) configured to switch the switching element (9) between a conducting state and a non-conducting state, wherein the switching element (9) is configured to feed a pulsed direct current to a ground potential (10). The switch-mode power supply (1) also has an auxiliary circuit (16) configured to provide an auxiliary voltage. The auxiliary circuit (16) comprises an auxiliary inductor (18) connected to receive the pulsed direct current and magnetically isolated from the inductor element (12).Type: ApplicationFiled: July 29, 2015Publication date: August 10, 2017Applicant: PHILIPS LIGHTING HOLDING B.V.Inventors: GUY LOUIS PAUL DE BONDT, CHRISTIAN HATTRUP, GEORG SAUERLAENDER
-
Publication number: 20160329826Abstract: Arrangements (1) for buffering energy comprise buffer capacitor circuits (10) with one or more buffer capacitors (11), first circuits (20) for guiding charging currents for charging the buffer capacitor circuits (10), and second circuits (30) with current source circuits (31-34) for defining amplitudes of de-charging currents for de-charging the buffer capacitor circuits (10), to better control the decharging of the buffer capacitor circuits (10). The second circuits (30) may further comprise trigger circuits (51-53) for bringing the current source circuits (31-34) into activated modes, and latch circuits (61-63) for latching the current source circuits (31-34). The arrangements (1) may further comprise smoothing capacitor circuits (40) with one or more smoothing capacitors (41). The buffer capacitor circuits (10) may be coupled serially to the first circuits (20), and the first and second circuits (20, 30) may be coupled in parallel to each other.Type: ApplicationFiled: January 8, 2015Publication date: November 10, 2016Inventors: Guy Louis Paul DE BONDT, Georg SAUERLÃNDER, Christian HATTRUP