Patents by Inventor Adolfo De Cicco
Adolfo De Cicco 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).
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Patent number: 11849517Abstract: In some examples, this disclosure describes a light-emitting diode (LED) driver circuit configured to: control a set of LED channels; receive, from each LED channel of the set of LED channels, channel status information that indicates whether the respective LED channel is activated or deactivated; and determine, based on the channel status information corresponding to each LED channel of the set of LED channels, a channel status of the respective LED channel. Additionally, the LED driver circuit is configured to output, to a master computing device, the channel status corresponding to each LED channel of the set of LED channels; and output, to the master computing device, channel mapping information, wherein the master computing device is configured to determine, based on the channel status information and the channel mapping information, whether one or more error conditions are present in the set of LED channels.Type: GrantFiled: November 14, 2022Date of Patent: December 19, 2023Assignee: Infineon Technologies AGInventors: Franco Mignoli, Adolfo De Cicco, Damiano Sartori, Luca Mengani, Christopher Gabriel
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Patent number: 11817037Abstract: A method of controlling a vehicle headlamp that includes a plurality of LEDs may comprise receiving video images at a first frame rate; storing the video images in a memory at the first frame rate; receiving offset data associated with the video images; defining sub-images based on the offset data and the video images; and driving the plurality of LEDs to present the sub-images at a second frame rate, wherein the second frame rate is faster than the first frame rate.Type: GrantFiled: September 30, 2022Date of Patent: November 14, 2023Assignee: Infineon Technologies AGInventors: Gernot Unterweger, Adolfo De Cicco
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Patent number: 11718220Abstract: A vehicle headlamp control circuit is configured to control a vehicle headlamp comprising a plurality of lighting elements. The vehicle headlamp control circuit may comprise a memory that stores information for controlling the plurality of lighting elements, and a driver circuit that drives the plurality of lighting elements based on the information, wherein the information compensates for one or more failed elements of the plurality of lighting elements.Type: GrantFiled: January 19, 2021Date of Patent: August 8, 2023Assignee: Infineon Technologies AGInventors: Dietrich Bonart, Michael Weis, Gernot Unterweger, Salvatore Piccolella, Adolfo De Cicco
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Electronic circuit identification (ID) techniques using both a client-side ID and a supplier-side ID
Patent number: 11681832Abstract: An apparatus may comprise an electronic circuit configured to perform one or more functions or operations, and a memory associated with the electronic circuit. The memory stores a customer-side circuit identification (ID) comprising watermark value combined with a pseudo-random number that is generated as a function of a seed value, wherein the seed value is based on a timestamp generated by computer. An external interface may be coupled to the memory, wherein the external interface provides read-access to the customer-side circuit ID.Type: GrantFiled: October 14, 2020Date of Patent: June 20, 2023Assignee: Infineon Technologies AGInventors: Luigi Masala, Alberto Dall'Arche, Adolfo De Cicco -
Publication number: 20220227286Abstract: A vehicle headlamp control circuit is configured to control a vehicle headlamp comprising a plurality of lighting elements. The vehicle headlamp control circuit may comprise a memory that stores information for controlling the plurality of lighting elements, and a driver circuit that drives the plurality of lighting elements based on the information, wherein the information compensates for one or more failed elements of the plurality of lighting elements.Type: ApplicationFiled: January 19, 2021Publication date: July 21, 2022Inventors: Dietrich Bonart, Michael Weis, Gernot Unterweger, Salvatore Piccolella, Adolfo De Cicco
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Patent number: 11358518Abstract: A vehicle headlamp control circuit may be configured to control a vehicle headlamp comprising a plurality of lighting elements. The vehicle headlamp control circuit may comprise a first communication interface configured to receive a first signal comprising a first set of values for driving the plurality of lighting elements, and a second communication interface configured to receive a second signal comprising an intensity threshold. The circuit may be configured to determine a composite intensity associated with the first set of values and drive the plurality of lighting elements using the first set of values if the composite intensity associated with the first set of values satisfies the intensity threshold.Type: GrantFiled: October 6, 2020Date of Patent: June 14, 2022Assignee: Infineon Technologies AGInventors: Gernot Unterweger, Adolfo De Cicco, Pietro Vallese, Andrea Scenini
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Publication number: 20220114286Abstract: An apparatus may comprise an electronic circuit configured to perform one or more functions or operations, and a memory associated with the electronic circuit. The memory stores a customer-side circuit identification (ID) comprising watermark value combined with a pseudo-random number that is generated as a function of a seed value, wherein the seed value is based on a timestamp generated by computer. An external interface may be coupled to the memory, wherein the external interface provides read-access to the customer-side circuit ID.Type: ApplicationFiled: October 14, 2020Publication date: April 14, 2022Inventors: Luigi Masala, Alberto Dall'Arche, Adolfo De Cicco
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Publication number: 20220105862Abstract: A vehicle headlamp control circuit may be configured to control a vehicle headlamp comprising a plurality of lighting elements. The vehicle headlamp control circuit may comprise a first communication interface configured to receive a first signal comprising a first set of values for driving the plurality of lighting elements, and a second communication interface configured to receive a second signal comprising an intensity threshold. The circuit may be configured to determine a composite intensity associated with the first set of values and drive the plurality of lighting elements using the first set of values if the composite intensity associated with the first set of values satisfies the intensity threshold.Type: ApplicationFiled: October 6, 2020Publication date: April 7, 2022Inventors: Gernot Unterweger, Adolfo De Cicco, Pietro Vallese, Andrea Scenini
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Publication number: 20210311117Abstract: In some examples, a device includes a built-in self-test for detecting a fault on a light emitting diode (LED) or on a driver for an LED. The device includes a pair of pads that are configured to connect to the LED. The built-in self-test is configured to control the driver to turn on a respective pass switch connected to a pad of the pair of pads. The built-in self-test is configured to then determine a voltage level at each pad of the pair of pads. The built-in self-test can determine whether the fault exists on the LED, across the first anode pad and the first cathode pad, or on the driver based on the voltage level at each pad.Type: ApplicationFiled: April 1, 2020Publication date: October 7, 2021Inventors: Adolfo De Cicco, Rosario Chiodo
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Publication number: 20210311116Abstract: In some examples, a device includes a built-in self-test for detecting a fault between a first light emitting diode (LED) and a second LED. The device includes a first pair of pads configured to connect to the first LED and a second pair of pads configured to connect to the second LED. The built-in self-test is configured to control a first driver and a second driver to turn on, one-by-one, respective pass switches connected to the first and second pairs of pads. The built-in self-test is configured to then determine the first and second forward voltages across the first and second LEDs. The built-in self-test can determine whether the fault exists between the first and second LEDs based on the forward voltages.Type: ApplicationFiled: April 1, 2020Publication date: October 7, 2021Inventors: Adolfo De Cicco, Rosario Chiodo
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Patent number: 11137449Abstract: In some examples, a device includes a built-in self-test for detecting a fault on a light emitting diode (LED) or on a driver for an LED. The device includes a pair of pads that are configured to connect to the LED. The built-in self-test is configured to control the driver to turn on a respective pass switch connected to a pad of the pair of pads. The built-in self-test is configured to then determine a voltage level at each pad of the pair of pads. The built-in self-test can determine whether the fault exists on the LED, across the first anode pad and the first cathode pad, or on the driver based on the voltage level at each pad.Type: GrantFiled: April 1, 2020Date of Patent: October 5, 2021Assignee: Infineon Technologies AGInventors: Adolfo De Cicco, Rosario Chiodo
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Patent number: 11119154Abstract: In some examples, a device includes a built-in self-test for detecting a fault between a first light emitting diode (LED) and a second LED. The device includes a first pair of pads configured to connect to the first LED and a second pair of pads configured to connect to the second LED. The built-in self-test is configured to control a first driver and a second driver to turn on, one-by-one, respective pass switches connected to the first and second pairs of pads. The built-in self-test is configured to then determine the first and second forward voltages across the first and second LEDs. The built-in self-test can determine whether the fault exists between the first and second LEDs based on the forward voltages.Type: GrantFiled: April 1, 2020Date of Patent: September 14, 2021Assignee: Infineon Technologies AGInventors: Adolfo De Cicco, Rosario Chiodo
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Patent number: 11071184Abstract: The disclosure describes techniques for driving a plurality of light emitting diodes (LEDs) arranged in a parallel connection by using PWM (Pulse Width Modulation) dimming. The techniques of this disclosure describe the generation and application of a fixed phase shift map to a driver matrix based on pixel position. Each pixel corresponds to an LED light source. In the fixed phase shift map, each pixel will have a pre-defined phase shift calculated to induce a determined variation in turn-on time for geometrically neighbouring pixels to spread out current demand over time during PWM dimming.Type: GrantFiled: April 1, 2020Date of Patent: July 20, 2021Assignee: Infineon Technologies AGInventors: Rosario Chiodo, Adolfo De Cicco, Pietro Vallese
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Patent number: 11057972Abstract: This disclosure includes systems, methods, and techniques for controlling a plurality of light-emitting diodes (LEDs). For example, a circuit includes a switching device, where the switching device is electrically connected to an LED of the plurality of LEDs, and where the switching device is configured to control whether the LED receives an electrical signal from a power source. Additionally, the circuit includes processing circuitry configured to receive a photocurrent signal indicative of a photocurrent value corresponding to the LED, compare the photocurrent value with a threshold photocurrent value, and control, based on the comparison of the photocurrent value with the threshold photocurrent value, an output current of the LED.Type: GrantFiled: April 1, 2020Date of Patent: July 6, 2021Assignee: Infineon Technologies AGInventors: Adolfo De Cicco, Rosario Chiodo, Andrea Logiudice, Dietrich Bonart, Thomas Gross
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Patent number: 10945323Abstract: This disclosure includes systems, methods, and techniques for controlling a plurality of light-emitting diodes (LEDs). For example, a circuit includes a switching device, where the switching device is electrically connected to an LED of the plurality of LEDs, and where the switching device is configured to control whether the LED receives an electrical signal from a power source. Additionally, the circuit includes processing circuitry configured to determine that the LED is associated with a bright failure condition by attempting to prevent the LED from receiving the electrical signal from the power source using the switching device and disable the LED in response to detecting the bright failure condition.Type: GrantFiled: April 1, 2020Date of Patent: March 9, 2021Assignee: Infineon Technologies AGInventors: Adolfo De Cicco, Michael Weis, Gernot Unterweger, Rosario Chiodo, Dietrich Bonart
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Patent number: 10652981Abstract: A method may include, based on a plurality of duty cycles each associated with a respective one of a plurality of LEDs, determining a first set of drive schemes such that each drive scheme is associated with a respective one of the plurality of LEDs and is dependent on the duty cycle associated with the respective one of the plurality of LEDs. The method further includes driving each of the plurality of LEDs in accordance with the associated drive scheme of the first set in at least one drive cycle. Each of the plurality of drive schemes includes one or more on-times each having a phase and a duration. The method may include driving each of the plurality of LEDs in an on-state or an off-state dependent on the respective drive scheme and determining the drive scheme dependent on the drive scheme of another one of the plurality of LEDs.Type: GrantFiled: October 7, 2019Date of Patent: May 12, 2020Assignee: Infineon Technologies AGInventors: Adolfo De Cicco, Rosario Chiodo, Davide Ghedin, Andrea Scenini
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Publication number: 20200128636Abstract: A method and a drive circuit are disclosed. The method includes: based on a plurality of duty cycles (DC(1)-DC(n)) each associated with a respective one of a plurality of LEDs, determining a first set of drive schemes such that each drive scheme is associated with a respective one of the plurality of LEDs (11-1n) and is dependent on the duty cycle (DC(1)-DC(n)) associated with the respective one of the plurality of LEDs (11-1n); and in at least one drive cycle (TPWM), driving each of the plurality of LEDs (11-1n) in accordance with the associated drive scheme of the first set.Type: ApplicationFiled: October 7, 2019Publication date: April 23, 2020Inventors: Adolfo De Cicco, Rosario Chiodo, Davide Ghedin, Andrea Scenini
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Patent number: 10321533Abstract: A device for driving several light sources is provided, wherein the several light sources are arranged in a matrix structure; wherein the several light sources of the matrix structure are connected to a semiconductor device; wherein a portion of the semiconductor device corresponds to a light source of the matrix structure, wherein the portion of the semiconductor device comprises a diagnosis function which when activated is arranged for supplying an output diagnosis signal.Type: GrantFiled: August 30, 2017Date of Patent: June 11, 2019Assignee: Infineon Technologies AGInventors: Andrea Scenini, Giovanni Capodivacca, Adolfo De Cicco
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Patent number: 10203365Abstract: A device may include a plurality of cells. Each cell may include a field-effect transistor and a switch configured to selectively connect a second contact of the respective field-effect transistor with a common test line of the device. A controller of the device is configured to control the switch to be in a closed position. At least one pin is provided which is configured to apply a stress voltage to a common power line connected to a first contact with the field-effect transistor and to the common test line.Type: GrantFiled: October 20, 2015Date of Patent: February 12, 2019Assignee: Infineon Technologies AGInventors: Giovanni Capodivacca, Adolfo De Cicco
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Patent number: 10206252Abstract: According to an example, a device is provided for driving several light sources, wherein the device is arranged to sense a supply signal and apply a phase shift to a switching signal of at least one of the several light sources based on the sensed supply signal. Also, accordingly a method, a lighting device, a computer program product and a computer-readable medium are suggested.Type: GrantFiled: September 8, 2016Date of Patent: February 12, 2019Assignee: Infineon Technologies AGInventors: Maurizio Galvano, Adolfo De Cicco, Andrea Scenini