Patents Assigned to Tridonic GmbH & Co KG
  • Publication number: 20230013250
    Abstract: The present disclosure relates to a lighting technology device, comprising a controller, a memory functionally connected to the controller, and an NFC antenna integrated in a casing or arranged on a board carrying the controller and the memory, wherein the antenna comprises two planar antenna wing elements arranged at an angle between 80° and 100°, preferably 85° to 95° with respect to each other, and wherein the controller is configured to process NFC data received from the antenna and store in said memory said data for programming the lighting technology device.
    Type: Application
    Filed: November 23, 2020
    Publication date: January 19, 2023
    Applicant: Tridonic GmbH & Co KG
    Inventors: Oliver Wynnyczenko, Thomas Zengerle
  • Publication number: 20220393601
    Abstract: The invention relates to an isolated resonant primary side switched converter (100), comprising a galvanic isolation stage (105), an auxiliary winding (L51-c) on the primary side (101) of the isolation stage (105) which is magnetically coupled to at least one secondary side winding (L51-b, L51-d) of the isolation stage (105), wherein the auxiliary winding (L51-c) is configured to detect a feedback signal as to a secondary side voltage, and a control unit (107) configured to sample the feedback signal, in each or every nth switching cycle, during a sampling period in which a current is flowing on the secondary side (103) of the isolation stage (105), and to process the sampled signal for a feedback control of the secondary side voltage by controlling the switching operation of a primary side switch (M40, M41).
    Type: Application
    Filed: November 5, 2020
    Publication date: December 8, 2022
    Applicant: Tridonic GmbH & Co KG
    Inventors: Harald Netzer, Stefan Stark
  • Publication number: 20220376492
    Abstract: A source circuit, a power supply and an electric system. The source circuit includes at least one voltage source supplied from a mains circuit and used to provide at least one voltage for at least one device and at least one switch respectively connected to the at least one voltage source and controlled to be turned on according to a voltage of the mains circuit and/or at a timing after the mains circuit being applied corresponding to the device.
    Type: Application
    Filed: November 25, 2019
    Publication date: November 24, 2022
    Applicant: Tridonic GmbH & Co KG
    Inventors: Xinhai Li, Yaofeng Lin, Zongjie Wu, Harald Netzer
  • Publication number: 20220377860
    Abstract: The invention relates to an LED-driver, comprising an actively switched PFC circuitry and a bus interface for a wire-bound bus, wherein a voltage supply for the bus interface for powering the bus is tapped off the output voltage of the active PFC circuitry, further comprising a control circuitry for a feedback control of an output voltage of the actively switched PFC by controlling a switch of the PFC, wherein the time constant of the feedback control of the control circuitry is faster during time periods in which the bus interface is transmitting or receiving signals, compared to time periods without activity.
    Type: Application
    Filed: November 10, 2020
    Publication date: November 24, 2022
    Applicant: Tridonic GmbH & Co KG
    Inventors: Hans Auer, Clemens Kucera, Lukas Saccavini, Stefan Stark
  • Publication number: 20220369441
    Abstract: The present invention provides a luminaire (1), in particular a street lamp. The luminaire comprises at least one lighting means (5), such as at least one light emitting diode, at least one sensor unit (15) including an acoustic sensor (2) configured to measure environmental sound, and further comprising a processing unit (3). The processing unit (3) is configured to identify an environmental situation of the luminaire (1), in particular the street condition at the street lamp, on the basis of at least one characteristic of the measured environmental sound, such as the amplitude, frequency or pattern of the measured environmental sound and/or control information for controlling light emission.
    Type: Application
    Filed: February 9, 2021
    Publication date: November 17, 2022
    Applicant: TRIDONIC GMBH & CO KG
    Inventors: Roger Kistler, Markus Künzli
  • Publication number: 20220364714
    Abstract: The present invention relates to a luminaire having at least one illuminant (6), a luminaire housing (1), and at least one operating device (4), arranged in the luminaire housing (1), for the at least one illuminant (6), wherein the operating device (4) has an antenna (5) for transmitting and receiving a radio signal, and the luminaire housing (1) has at least one slot antenna (2) that is coupled to the antenna (5) of the operating device (4) by means of radiation coupling, a waveguide, or a cavity resonator in order to transmit the radio signal to outside the luminaire housing (1).
    Type: Application
    Filed: October 7, 2020
    Publication date: November 17, 2022
    Applicant: Tridonic GmbH & Co KG
    Inventors: Patrik Yves Koch, Frank Lochmann, Markus Schertler, Patrick Schnell, Lukas Simma, Patrick Walch, Markus Mayrhofer, Thomas Zengerle
  • Publication number: 20220361304
    Abstract: A power converter with secondary side regulation (SSR) for driving one or more output loads having capacitors (preferably Y-capacitors) for feedback and data transmission is disclosed. The power converter includes a transformer with primary and secondary windings, a primary circuit, a secondary circuit comprising a secondary controller, and a data transmission circuit comprising a plurality of capacitors. The primary circuit comprises one or more switching means and a primary controller. The secondary circuit is isolated from the primary circuit by the transformer and connected to the output loads and the secondary winding. The data transmission circuit connects the secondary circuit to the primary circuit for transmitting a feedback signal through to become a primary side feedback signal. The capacitors comprises one or more first capacitors on a feedback path and one or more second capacitors on a ground path.
    Type: Application
    Filed: September 16, 2019
    Publication date: November 10, 2022
    Applicant: Tridonic GmbH & Co KG
    Inventors: Shuanghong Wang, Zhihong Zou, Jiallang Yan
  • Publication number: 20220316670
    Abstract: The invention relates to an adaptor for electrically connecting a lighting apparatus to an electrified track, wherein the electrified track comprises AC main phases L1, L2 and L3 and a neutral wire N, wherein the adaptor has a housing designed to be inserted into a U-shaped profile of the electrified track, wherein the adaptor has contacts for contacting the AC main phases L1, L2 and L3 and the neutral wire N of the electrified track, wherein the adaptor comprises an electronic control unit in the housing, wherein the control unit is configured to select a combination of one of the all connected AC main phases L1, L2, L3 with the neutral wire N for supplying the lighting apparatus.
    Type: Application
    Filed: August 17, 2020
    Publication date: October 6, 2022
    Applicant: Tridonic GmbH & Co KG
    Inventors: Jakob Maldoner, Patrick Marte
  • Publication number: 20220312564
    Abstract: The invention relates to a synchronous flyback converter (100) having terminals for supplying an LED load. The synchronous flyback converter (100) comprises a sensing winding (Lw)coupled to a primary winding (Lp) of a transformer T of the flyback converter (100), a control unit (106) controlling a primary side switch (S1) in series to the primary winding (Lp) of the flyback converter (100) using a feedback signal for a closed loop control of a secondary side voltage of the flyback converter (100) by controlling the frequency and/or duty cycle of the switching of the primary side switch (S1), wherein the feedback signal is derived from a sensing voltage across the sensing winding (Lw) sampled once during a switch-on time of a secondary side switch (S2) of the flyback converter (100).
    Type: Application
    Filed: June 29, 2020
    Publication date: September 29, 2022
    Applicant: Tridonic GmbH & Co KG
    Inventors: Lukas Saccavini, Stefan Stark, Ludwig Erasmus De Clercq
  • Publication number: 20220311195
    Abstract: The invention relates to a connection expansion module (2) for a component (1) of a lighting system, having a securing means (22 . . . 25, 29) for securing the connection expansion module to the component, at least one contact element (7 . . . 10) for contacting an electric connection (L, N, S1, S2) of the component (1), and multiple connections (12 . . . 19) connected to the contact element (7 . . . 10) in order to connect electric lines to the connection expansion module (2).
    Type: Application
    Filed: September 3, 2020
    Publication date: September 29, 2022
    Applicant: Tridonic GmbH & Co KG
    Inventor: Christoph Vonach
  • Patent number: 11454544
    Abstract: The invention relates to a motion sensor device (10), comprising: a PIR sensor (11) having a plurality of sensor elements (12) arranged adjacent to each other, the active sensor surfaces of which form a detection region (13) of the PIR sensor (11); an optical unit (15), which is designed to image a detection region (16) of the PIR sensor (11), which comprises detection zones (17), on the detection region (13) of the PIR sensor (11); wherein the detection zones (17) in the detection region (16) of the PIR sensor (11) have a spatially periodic arrangement having direction-dependent periodicity. The invention also relates to a lighting system (20) having the motion sensor device and a method (30) for operating the motion sensor device.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: September 27, 2022
    Assignees: Tridonic GmbH & Co KG, Zumtobel Lighting GmbH
    Inventors: Markus Kunzli, Roger Kistler, Vana Jelicic
  • Patent number: 11448669
    Abstract: A current sensor (12) serves to detect an alternating current (16). The current sensor (12) comprises a coupler (20) designed to decouple a proportional part of the alternating current (16) as a measurement current (22). In addition, the current sensor (12) comprises a switching terminal designed to feed in a switching signal (15). The current sensor (12) furthermore includes a switchable rectifier (21) designed to rectify the measurement current (22) in a manner controlled by the switching signal (15) and to output it as a rectified measurement current (Vsense).
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: September 20, 2022
    Assignee: Tridonic GmbH & Co KG
    Inventor: Dietmar Klien
  • Publication number: 20220277915
    Abstract: The invention relates to a conducting track fuse (1) for an electrical or electronic device, comprising: a first and a second connection region (2a, 2b); a nonlinearly extending burn-out region (3), which is arranged between the first and second connection regions (2a, 2b); and a covering element (15), which has at least two side walls (9) and a covering face (8), which covering element is arranged over the first and second connection regions (2a, 2b) and over the burn-out region (3), the burn-out region (3) and the covering element (5) being arranged relative to each other in such a way that the area of the covering face (8) covers the burn-out region (3) and a cavity (7) is formed between the burn-out region (3) and the covering face (8) as a result of the height of the side walls (9).
    Type: Application
    Filed: September 8, 2020
    Publication date: September 1, 2022
    Applicant: Tridonic GmbH & Co KG
    Inventors: Claus Hechenberger, Markus Bildstein, Jakob König
  • Publication number: 20220271671
    Abstract: An isolated multiple-output power supply with a function of detecting the presence or absence of a load at an output port is disclosed. The power supply includes a first voltage source for providing a first voltage at a first node; a first diode having a cathode coupled to the first output port, and an anode coupled to the first node for receiving the first voltage; a second voltage source for providing a second voltage at a second node; a second diode having a cathode coupled to a second output port, and an anode coupled to the second node for receiving the second voltage; and a bridging circuit having two terminals respectively connected to the first and the second output ports. When the load is not present at the first output port, the bridging circuit pulls up an output voltage at the first output port to reverse bias the first diode.
    Type: Application
    Filed: August 15, 2019
    Publication date: August 25, 2022
    Applicant: Tridonic GmbH & Co KG
    Inventors: Xinhai Li, Yaofeng Lin, Zhiwen Chen
  • Publication number: 20220268409
    Abstract: The present invention relates to an adapter (1) for connecting a light to a track having mains phases and comprising a housing (2), at least one spring-loaded connector (6.1) linked to the housing (2), and a cover (4) partially covering the housing (2) and having at least one opening (8.1). The cover (4) is displaceable so as to be placed selectively in one of: a position in which the at least one spring-loaded connector (6.1) extends at least partially through the at least one opening (8.1), a position in which the cover (4) covers the at least one spring-loaded connector (6.1).
    Type: Application
    Filed: August 6, 2020
    Publication date: August 25, 2022
    Applicant: Tridonic GmbH & Co KG
    Inventors: Jakob Maldoner, Oliver Wynnyczenko
  • Publication number: 20220271653
    Abstract: The invention relates to a power factor correction (PFC) circuit (20), comprising an inductor (21) which is configured to provide a discharge current, a capacitor (23) which is connected to the inductor (21) via a switch (24) and which can be charged with said discharge current, a control unit (14) which is configured to alternately switch the switch (24) on and off based on a feedback control, wherein the control unit (14) has an input interface (42) for receiving a feedback signal (ZXCS) which represents a discharge voltage of the inductor (21), wherein the control unit (14), in a DCM mode, is further configured to calculate a switch on time (Ton) of the switch (24) which is after a first local minimum of the discharge voltage, and wherein, after switching off the switch (24), the control unit is configured to: either switch on the switch (24) at a next or closest local minimum of the inductor voltage after Ton, in case Ton is less than a directly or indirectly set reference time (Tref), or close the switch
    Type: Application
    Filed: October 5, 2020
    Publication date: August 25, 2022
    Applicant: Tridonic GmbH & Co KG
    Inventors: Hans Auer, Patrick Marte
  • Publication number: 20220272812
    Abstract: A switched power converter (102) is arranged for supplying lighting means (108) as a load, having at least one (M40, M41) switch controlled by a control unit (106), wherein the control unit (106) comprises: a feedback controller, such as an ASIC or microcontroller, generating a switch control signal based on a feedback signal (Imeas), such as e.g. the load current (ILED), and a separate sweep block, supplied with a signal representing a characteristic of the load (LED), such as e.g. the load voltage (VLED), and modulating the switch control signal (tout-ctrl) by a cyclic sweep, wherein the modulated switch control signal (tout-sweep) is provided directly or indirectly to the at least one switch (M40, M41).
    Type: Application
    Filed: July 15, 2020
    Publication date: August 25, 2022
    Applicant: Tridonic GmbH & Co KG
    Inventors: Harald Netzer, Ludwig Erasmus De Clercq, Frank Lochmann
  • Publication number: 20220264724
    Abstract: An emergency converter device for lighting applications provides a supply current to a load device such as a lighting module. The emergency converter device comprises at least one printed circuit board arranged within a housing. A control circuit such as a microcontroller and a non-volatile memory for storing log data are arranged on the at least one printed circuit board. An interface is configured to connect mechanically and electrically at least one of a status indicator light a test switch or a duration link select switch. The interface comprises at least a first connecting element and a second connecting element. The emergency converter device comprises a connecting means for connecting a data output terminal (USART_TX) and a data input terminal (USART_RX) of the control circuit to the exterior of the housing.
    Type: Application
    Filed: July 30, 2020
    Publication date: August 18, 2022
    Applicant: Tridonic GmbH & Co KG
    Inventors: Deepak Makwana, Jagjtpati Shukla, Stephen James
  • Publication number: 20220264731
    Abstract: The invention relates to an apparatus (1) for controlling DALI devices (2 . . . 4) of a DALI lighting system, comprising an interface (8) for connecting the apparatus (1) to a DALI-bus (5) of said DALI lighting system; controlling means (9) for detecting and addressing the DALI devices (2 . . . 4) connected to the DALI-bus; storage means (10) for storing addresses of the DALI devices (2 . . . 4) generated by the controlling means (9) and device type information of each DALI device (2 . . . 4) detected by the controlling means (9); and Bluetooth transmitter (11) for transmitting the addresses and the device type information to a mobile commissioning device (6) and for receiving configuration information defining behavior of the DALI devices (2 . . . 4) from the mobile commissioning device (6), wherein the controlling means is adapted to configure to the DALI devices (2 . . . 4) based on the configuration information.
    Type: Application
    Filed: August 17, 2020
    Publication date: August 18, 2022
    Applicant: Tridonic GmbH & Co KG
    Inventors: Harry Förstler, Youssouf Coulibaly, Huang Pengcheng, Thomas Kuch, Hans Schlumpf, John Schönberger, Vlaimir Barkovskii
  • Publication number: 20220191992
    Abstract: An emergency converter device provides an interface for selecting an operation parameter for an emergency operation mode of the emergency converter device. The emergency converter device provides a supply current ILED to a load device, in particular to a lighting module including on or more light emitting diodes. The emergency converter device comprises a control circuit configured to set at least one operating parameter of the emergency converter device, an interface comprising a first terminal and a second terminal for connecting electrically a status indicator light emitting diode, and a detection circuit connected to the control circuit. The detection circuit is configured to detect a polarity of the status indicator light emitting diode connected to the first terminal and the second terminal, and the control circuit selects the at least one operating parameter of the emergency converter device based on the detected polarity.
    Type: Application
    Filed: June 9, 2020
    Publication date: June 16, 2022
    Applicant: TRIDONIC GMBH & CO KG
    Inventors: Deepak Makwana, Jagjitpati Shukla