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公开(公告)号：US10006783B2
公开(公告)日：2018-06-26
申请号：US15078004
申请日：2016-03-23
Applicant: DENSO CORPORATION
Inventor： Hirokazu Sadamatsu
CPC classification number: G01D5/14 , G01D3/08 , G01D5/2013 , G01R31/007 , G01R31/024 , G01R31/2829
Abstract: A power supply control part supplies offset voltages from power supplies to each of signal wires at start time and then, after a predetermined delay time period, supplies a reference voltage from a power supply. A series resistor circuit of resistor elements is provided in each signal wire and a resistor element is connected between a supply node of the offset voltage and an input terminal of the series resistor circuit. A resistor element is connected between the supply node of reference voltage and the output terminal of the series resistor circuit provided in the signal wire of a high-potential side. A comparison logic part detects a disconnection of the signal wire based on a voltage developed at the input terminal of itself during the delay time.
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公开(公告)号：US09967104B2
公开(公告)日：2018-05-08
申请号：US14945260
申请日：2015-11-18
Applicant: Linear Technology Corporation
Inventor： Andrew J. Gardner , Jeffrey L. Heath
CPC classification number: H04L12/10 , B60L3/0069 , G01R31/024 , H02H3/16 , H04L12/40045 , H04L25/08 , H04L41/0681 , H04L43/0811 , Y04S40/166 , Y04S40/168
Abstract: Circuits and techniques are described for detecting a ground fault leak between the PSE and the PD. Prior to PoDL voltage being applied to the PD, a test switch is temporarily closed for sensing a voltage drop in a loop between the positive terminal of the PSE voltage source and any ground leakage path between the PSE and the PD. If the resistance of the ground leakage path is below a certain threshold, a fault is declared. A similar test may be performed without a test switch by supplying a known test current through the loop and sensing the voltage drop. Another test is to connect the positive terminal of the PSE voltage source to the loop and sense the resulting current. After the full PoDL voltage is applied to the PD, a ground fault may be detected by sensing the equivalence between the source and return PSE currents.
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公开(公告)号：US09939481B2
公开(公告)日：2018-04-10
申请号：US15603181
申请日：2017-05-23
Applicant: STMicroelectronics, Inc. , STMicroelectronics S.r.l.
Inventor： Oleg Logvinov , Roberto Cappelletti , Mauro Conti
CPC classification number: G01R31/024 , H04B3/54 , H04B2203/5458 , H04B2203/5495
Abstract: Embodiments of the present disclosure include a method of operating an arc fault detection system, an arc fault detection system, and a system. An embodiment is a method of operating an arc fault detection system coupled to a power line, the method including determining one or more arc fault detection windows in power line signals on the power line, the power line signals comprising a communication signal and an alternating current (AC) power signal. The method further includes receiving the power line signals from the power line during the one or more arc fault detection windows, and performing arc fault detection processing on the received power line signals.
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公开(公告)号：US09877126B2
公开(公告)日：2018-01-23
申请号：US15196484
申请日：2016-06-29
Applicant: BLACKBERRY LIMITED
Inventor： Jens Kristian Poulsen , Yong Zhang , Per Magnus Fredrik Hansson
CPC classification number: H04R29/001 , G01R31/024 , G01R31/025 , H04R5/04 , H04R2420/05
Abstract: According to one aspect, an electronic device for detecting an audio accessory. The electronic device includes an audio jack having at least two detection terminals. The detection terminals are spaced apart and positioned within a socket of the audio jack so when an audio plug of the accessory is inserted into the socket of the audio jack, the detection terminals will be shorted. The presence of a short between the detection terminals is indicative that the audio accessory is present.
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5.发明申请
公开(公告)号：US20170331282A1
公开(公告)日：2017-11-16
申请号：US15155477
申请日：2016-05-16
Inventor： Adrian Wilson
CPC classification number: H02H9/02 , G01R31/024 , G01R31/3333 , H02H1/0007 , H02H9/025
Abstract: A fault current limiter may include a current limiting leg to transmit a first current and a control leg in parallel with the current limiting leg, the control leg to transmit a second current. The control leg may include a plurality of power electronic modules arranged in electrical series with one another, and a bypass power electronic module arranged in electrical series with the plurality of power electronic modules. The control leg may further include a plurality of current monitors arranged electrically in series with the plurality of power electronic modules and the bypass power electronic module, and at least one triggering circuit, wherein the plurality of current monitors is electrically coupled to the at least one triggering circuit, and wherein the at least one triggering circuit is coupled to at least one of: the plurality of power electronic modules, and the bypass power electronic module.
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公开(公告)号：US09784782B2
公开(公告)日：2017-10-10
申请号：US14593995
申请日：2015-01-09
Applicant: Multivac Sepp Haggenmüller GmbH & Co. KG
Inventor： Jonas Friedl , Konrad Möβnang
CPC classification number: G01R31/024 , A47B81/00 , B65B31/02 , B65B57/18 , E05F13/00 , E05F15/60 , F16F1/021
Abstract: The invention relates to a vacuum chamber packaging machine with spring fracture detection. A first electrical line can be provided connecting springs to a controller, where interruption of the line due to a fractured spring may be detected by the controller via an applied voltage, so that no safety deficiency arises.
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公开(公告)号：US09759766B2
公开(公告)日：2017-09-12
申请号：US15214782
申请日：2016-07-20
Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
Inventor： Griselda Bonilla , Elbert E. Huang , Chao-Kun Hu , Baozhen Li , Paul S. McLaughlin
IPC: H01L21/66 , G01R31/28 , H01L23/522
CPC classification number: G01R31/2858 , G01R31/024 , G01R31/2853 , G01R31/2884 , H01L22/14 , H01L22/30 , H01L22/32 , H01L22/34 , H01L23/5226 , H01L23/53238
Abstract: An electromigration test structure is provided for evaluation of interconnect liner integrity in a semiconductor interconnect structure. The electromigration test structure includes a feeding line; a stress line overlying the feeding line; a first via interconnecting the feeding line and the stress line, wherein the first via comprises a bottom barrier; a first cathode sense and a second cathode sense interconnected to the feeding line; and a first anode sense and a second anode sense interconnected to the feeding line.
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8.发明申请
公开(公告)号：US20170247004A1
公开(公告)日：2017-08-31
申请号：US15515527
申请日：2015-09-30
Inventor： Michael PÜTZ , Oliver LION
IPC: B60R21/015 , A47C7/74 , G01R31/00 , B60N2/56 , B60N2/00
CPC classification number: B60R21/0154 , A47C7/748 , B60N2/002 , B60N2/5685 , B60N2002/0272 , B60R21/01532 , G01R19/16528 , G01R31/006 , G01R31/024
Abstract: A capacitive detection system for detecting occupancy of a vehicle seat includes a signal generating unit and a signal evaluation unit. The vehicle seat has a seat heater member configured for receiving time-varying output signals of the signal generating unit. The signal evaluation unit is configured to generate an output signal that is indicative of the seat heater member to be defective, if the sensed capacitance of the seat heater member is less than a second predetermined threshold value for the sensed capacitance.
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公开(公告)号：US20170229001A1
公开(公告)日：2017-08-10
申请号：US15581024
申请日：2017-04-28
Applicant: International Business Machines Corporation
Inventor： Wei T. Chen , Yulianti Darmanto , Cheng-Hao Lin , Y. K. Liu , Claire HW. Tsai
CPC classification number: G01R31/024 , G01R31/025 , G01R31/045 , G08B21/185
Abstract: A power distribution unit including a base, at least one socket, and at least one detecting unit is provided. The socket is disposed at the base and has a power end and a ground end. The detecting unit is disposed at the base and comprises at least two switches in communication with an AND gate. Communication between a plug and the socket is detected utilizing the AND gate. A voltage signal is output responsive to the detected communication. More specifically, a first voltage signal is output responsive to detection of receipt of both the power end and the ground end by the socket and/or receipt of the ground end by the socket and absence of the power end. A second voltage signal is output responsive to receipt of the power end by the socket and absence of the ground end.
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公开(公告)号：US09721854B2
公开(公告)日：2017-08-01
申请号：US13705213
申请日：2012-12-05
Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
Inventor： Hanyi Ding , Kai D. Feng , Ping-Chuan Wang , Zhijian Yang
CPC classification number: H01L22/14 , G01R31/024 , G01R31/2644 , G01R31/2884 , H01L22/34 , H01L2924/0002 , H01L2924/00
Abstract: A system, method and apparatus may comprise a wafer having a plurality of spiral test structures located on the kerf of the wafer. The spiral test structure may comprise a spiral connected at either end by a capacitor to allow the spiral test structure to resonate. The spiral structures may be located on a first metal layer or on multiple metal layers. The system may further incorporate a test apparatus having a frequency transmitter and a receiver. The test apparatus may be a sensing spiral which may be placed over the spiral test structures. A controller may provide a range of frequencies to the test apparatus and receiving the resonant frequencies from the test apparatus. The resonant frequencies will be seen as reductions in signal response at the test apparatus.
