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1. 发明公开

EP4300723A1 ELECTRONIC DEVICE 审中-公开
公开(公告)号：EP4300723A1
公开(公告)日：2024-01-03
申请号：EP22181660.6
申请日：2022-06-28
申请人： Koninklijke Philips N.V.
发明人： BOTMA, Jacob Hendrik , HEERINGA, Schelte , DE GROOT, Ronald , BISSCHOP, Oedilius Johannes
IPC分类号： H01R13/66 , H01R13/713
摘要： According to an aspect, there is provided an electronic device (210; 410) comprising an electrical connector (112) for receiving a connector (122) of an electric power cable (120); a temperature-sensitive element (214; 412) in thermal contact with the electrical connector (112), wherein a property of the temperature-sensitive element (214; 412) changes in response to a change in temperature of the electrical connector (112); and a switch (212) configured to provide a conductive path across two electric contact elements (114a, 114b) of the electrical connector (112) when the switch (212) is closed. The device (210; 410) is configured such that the switch (212) closes when a temperature of the temperature-sensitive element (214; 412) increases and passes a first threshold value.

2. 发明公开

EP2745624A1 LED DRIVER 有权转让
标题翻译： LED驱动器
公开(公告)号：EP2745624A1
公开(公告)日：2014-06-25
申请号：EP12779165.5
申请日：2012-09-14
申请人： Koninklijke Philips N.V.
发明人： HEERINGA, Schelte
IPC分类号： H05B33/08
CPC分类号： H05B33/0824 , H05B33/0815 , H05B33/083 , Y02B20/347
摘要： A LED driver system (1) comprises a current source (4) which supplies a power supply current (i) to a parallel arrangement of a parallel switch (20) and a LED (10). The parallel switch (20) short-circuits the LED (10) when it is closed. A controller (15) generates during use: (i) a first control signal (E) to control the current source (4) to change from a regulating mode wherein the power supply (i) current is regulated to have a non-zero average level into a decaying mode wherein the power supply current (i) decays during a decay period (Td), and (ii) a second control signal (CSO) to control the parallel switch (20) to open during an open period (To) comprising a sub-period of the decay period (Td).

3. 发明授权

EP2603838B1 TAP SENSITIVE ALARM CLOCK 有权转让
公开(公告)号：EP2603838B1
公开(公告)日：2013-12-04
申请号：EP11754502.0
申请日：2011-08-04
申请人： Koninklijke Philips N.V.
发明人： HEERINGA, Schelte , WIND, Roelof Jan , ROZEBOOM, Frans Wiebe , BOTMA, Jacob Hendrik , VAN OOSTRUM, Hielke Simon , SCHALLIG, Michiel Allan Aurelius , GODLIEB, Robert
IPC分类号： G04G13/02 , G04G21/08
CPC分类号： G04G21/08 , G04G13/021 , G04G13/023 , G04G13/028
摘要： A tap sensitive alarm clock has a housing (20), a vibration sensor (22) mechanically coupled to the housing for receiving a shock due to a user tapping the housing, and a control circuit (24) coupled to the vibration sensor for controlling a function of the alarm clock. An audio unit (26) is coupled to an audio circuit (25) for generating sound, e.g. a loudspeaker in an alarm clock or a wake up light. To avoid interference of the sound and the vibration sensor, the alarm clock is provided with a filter (23) coupled to the vibration sensor and the control circuit. The filter has a filter curve matched to block frequencies occurring in the sound. Advantageously it is avoided that the sound frequencies trigger the function, while the sensor is sensitive to other frequencies up to the frequency range of the sound for reliably detecting the tapping.

4. 发明公开

EP4258509A1 BATTERY CHARGING CIRCUITRY 无效
公开(公告)号：EP4258509A1
公开(公告)日：2023-10-11
申请号：EP22166995.5
申请日：2022-04-06
申请人： Koninklijke Philips N.V.
发明人： HEERINGA, Schelte
IPC分类号： H02J7/00 , G05F1/46
摘要： According to an aspect, there is provided battery charging circuitry (300) for outputting a controllably variable charging current (I CHARGE ) for charging a battery (130), the battery charging circuitry (300) comprising: a control input node (310) for receiving a control signal (Sc); a level-shifting circuit (320) configured to receive the control signal (Sc) and output a control voltage (Vc) based on the control signal (Sc); a charging current output node (330) for outputting the charging current (I CHARGE ) to the battery (130); and a first voltage controlled current source (340) configured to receive the control voltage (Vc) and output the charging current (I CHARGE ) to the charging current output node (330) based on the control voltage (Vc), wherein the first voltage controlled current source (340) is configured such that the charging current (I CHARGE ) can be linearly varied over a defined operating range based on the control signal (Sc). According to another aspect there is provided a printed circuit board. According to another aspect there is provided a personal care device.

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