GRID OF A PLURALITY OF BUILDING TECHNOLOGY SENSOR MODULES AND SYSTEM COMPRISING SUCH A GRID

    公开(公告)号:US20230118062A1

    公开(公告)日:2023-04-20

    申请号:US17910156

    申请日:2021-03-11

    发明人: Istvan Bakk

    摘要: The invention relates to a system (400) comprising a data processing unit (402) and/or a central database (403), and a grid (100) of a plurality of building technology sensor modules (101a-d). Each of the sensor modules (101a-d) comprises light sensor (103), preferably a daylight sensor, an acoustic sensor (105), a motion sensor (107), a controller (109) which is configured to receive output signals from said sensors (103, 105, 107), and an interface, preferably a wireless interface (111), for a communication between the controller (109) and a gateway (401) for forwarding sensor information signals (130) to the data processing unit (402) and/or the central database (403), wherein said sensor information signals (130) comprise a timestamp, an identifier of a sensor module (101a-d) and a sensor value. The data processing unit (402) and/or the central database (403) carry out a first data analysis of the forwarded sensor information signals (130), preferably by machine learning, for evaluating correlations between sensor information signals (130) of sensors (103, 105, 107) of different categories and/or of different sensor modules (101a-d), wherein the system (400) is designed to detect incorrect data provided by one or more sensors (103, 105, 107) based on the first data analysis, and to ignore, replace or correct such incorrect data.

    Flicker reduction in LED light sources

    公开(公告)号:US11134551B2

    公开(公告)日:2021-09-28

    申请号:US16633189

    申请日:2018-07-23

    发明人: Istvan Bakk

    摘要: LED light source, comprising a series connection of at least two LED strings, wherein each of the at least two LED strings corresponds to a single LED or comprises at least two LEDs, wherein at least one ohmic resistive element is connected in series with a first LED string of the at least two LED strings, and at least one switching element is connected in parallel to the series connection of the at least one ohmic resistive element and the first LED string, wherein the at least one switching element is configured to bypass in its conductive state the series connection of the at least one ohmic resistive element and the first LED string.

    Illumination system
    3.
    发明授权

    公开(公告)号:US11265985B2

    公开(公告)日:2022-03-01

    申请号:US17263972

    申请日:2019-07-17

    发明人: Istvan Bakk

    IPC分类号: H05B45/22 H05B47/11

    摘要: The invention proposes an improved illumination system (1). The illumination system (1) comprises: an LED module (2) having at least one LED or OLED; at least one light sensor (3); and a control circuit (4) designed to control the current flowing through the LED module (2), and to be supplied with an individual sensing signal of each of the at least one light sensor (3). The at least one light sensor (3) is designed such that: the light sensor (3) has its sensitivity peak set to be at a lower wavelength than the spectrum emitted by the LED module (2), preferably below 420 nm, more preferably below 410 nm, and/or the light sensor (3) has its sensitivity peak set to be at a higher wavelength than the spectrum emitted by the LED module (2), preferably above 680 nm. Furthermore, the invention proposes a method for calibrating the illumination system (1). The control circuit (4) is designed to calculate a crosstalk calibration value, by detecting the contribution of a switching on or increasing of the current through the LED module (2) in a non-ambient light state, on the basis of the supplied detection signals.

    GRID OF LUMINAIRES
    4.
    发明申请

    公开(公告)号:US20230123163A1

    公开(公告)日:2023-04-20

    申请号:US17910018

    申请日:2021-02-23

    发明人: Istvan Bakk

    摘要: The invention relates to grid (100) comprising at least one luminaire (101a-d), wherein at least one luminaire (101a-d) comprises one or more acoustic sensors (105), and preferably other sensors (103, 107); wherein the grid further comprises a controller (109) supplied with the output signals of said sensors (103, 105, 107), wherein the controller (109) is arranged for discriminating different sound categories in the output signals, including human voice sound, and to issue a sensor information signal (130) representing at least the sound category.

    METHOD FOR FUNCTIONAL CLASSIFICATION OF LUMINAIRES

    公开(公告)号:US20230100783A1

    公开(公告)日:2023-03-30

    申请号:US17909772

    申请日:2021-02-23

    摘要: The invention relates to a method (20) for functional classification of luminaires (101a-d), the luminaires (101a-d) being arranged as a grid (100) of a plurality of luminaires (101a-d), each of the luminaires (101a-d) comprising at least two different sensors (103, 105, 107), preferably at least two of a light sensor (103), an acoustic sensor (105) and/or a motion sensor (107); the method (20) comprising the steps of: supplying (21) output signals of said sensors (103, 105, 107) to a controller (109), preferably wirelessly forwarding (23) sensor information signals (130) including timestamps and luminaire IDs to a central database (403), correlating (25) the sensor information signals (130) over a defined period of time, and generating (27) functional classification information based on the correlations found, wherein the functional classification information indicates a likelihood function of a certain usage of each luminaire, out of a given set of usage functions.

    METHOD FOR GROUPING LUMINAIRES
    6.
    发明申请

    公开(公告)号:US20230093874A1

    公开(公告)日:2023-03-30

    申请号:US17909871

    申请日:2021-02-23

    IPC分类号: H05B47/19 H05B47/11

    摘要: The invention relates to a method (20) for grouping luminaires (101a-d), the luminaires (101a-d) being arranged as a grid (100) of a plurality of luminaires (101a-d), each of the luminaires (101a-d) comprises one or more sensors (103, 105, 107); the method (20) comprising the steps of: supplying (21) output signals of said one or more sensors (103, 105, 107) to a controller (109), preferably wirelessly forwarding (23) sensor information signals (130) including timestamps and luminaire IDs to a central database, correlating (25) the sensor information signals (130) over a defined period of time, and generating (27) grouping information based on the correlations found, wherein the grouping information relates to a spatial arrangement of the luminaires (101a-d).

    ILLUMINATION SYSTEM
    7.
    发明申请

    公开(公告)号:US20210307140A1

    公开(公告)日:2021-09-30

    申请号:US17263972

    申请日:2019-07-17

    发明人: Istvan Bakk

    IPC分类号: H05B45/22 H05B47/11

    摘要: The invention proposes an improved illumination system (1). The illumination system (1) comprises: an LED module (2) having at least one LED or OLED; at least one light sensor (3); and a control circuit (4) designed to control the current flowing through the LED module (2), and to be supplied with an individual sensing signal of each of the at least one light sensor (3). The at least one light sensor (3) is designed such that: the light sensor (3) has its sensitivity peak set to be at a lower wavelength than the spectrum emitted by the LED module (2), preferably below 420 nm, more preferably below 410 nm, and/or the light sensor (3) has its sensitivity peak set to be at a higher wavelength than the spectrum emitted by the LED module (2), preferably above 680 nm. Furthermore, the invention proposes a method for calibrating the illumination system (1). The control circuit (4) is designed to calculate a crosstalk calibration value, by detecting the contribution of a switching on or increasing of the current through the LED module (2) in a non-ambient light state, on the basis of the supplied detection signals.

    FLICKER REDUCTION IN LED LIGHT SOURCES

    公开(公告)号:US20210153323A1

    公开(公告)日:2021-05-20

    申请号:US16633189

    申请日:2018-07-23

    发明人: Istvan Bakk

    摘要: LED light source, comprising a series connection of at least two LED strings, wherein each of the at least two LED strings corresponds to a single LED or comprises at least two LEDs, wherein at least one ohmic resistive element is connected in series with a first LED string of the at least two LED strings, and at least one switching element is connected in parallel to the series connection of the at least one ohmic resistive element and the first LED string, wherein the at least one switching element is configured to bypass in its conductive state the series connection of the at least one ohmic resistive element and the first LED string.

    Direct AC driving circuit and luminaire

    公开(公告)号:US10542594B2

    公开(公告)日:2020-01-21

    申请号:US15744110

    申请日:2015-07-30

    IPC分类号: H05B33/08 H05B37/02

    摘要: The invention relates to a direct AC driving circuit and a luminaire for driving at least one LED, the driving circuit comprises a LED string (2) that comprises a series connection of at least two LEDs, wherein the LED string (2) is directly powered from a rectified AC mains voltage and a LED string switching unit (1) that is configured to control at least one LED shortening unit (1′) that is arranged in parallel to at least one LED of the LED string (2′). According to the invention, the driving circuit comprises means configured to provide a low supply voltage (VLow) which is also derived from the rectified AC mains voltage (4), wherein the low supply voltage (VLow) is generated from unutilized voltage of the LED-string (2′).