JP6690609B2 - 磁界発生回路 - Google Patents

磁界発生回路 Download PDF

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Publication number
JP6690609B2
JP6690609B2 JP2017142059A JP2017142059A JP6690609B2 JP 6690609 B2 JP6690609 B2 JP 6690609B2 JP 2017142059 A JP2017142059 A JP 2017142059A JP 2017142059 A JP2017142059 A JP 2017142059A JP 6690609 B2 JP6690609 B2 JP 6690609B2
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JP
Japan
Prior art keywords
circuit
voltage
magnetic field
coil
resonance
Prior art date
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Active
Application number
JP2017142059A
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English (en)
Japanese (ja)
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JP2018183028A (ja
JP2018183028A5 (enExample
Inventor
崇 黒川
崇 黒川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Priority to CN201880022539.3A priority Critical patent/CN110506364B/zh
Priority to PCT/JP2018/014293 priority patent/WO2018186408A1/ja
Priority to DE112018001155.0T priority patent/DE112018001155T5/de
Publication of JP2018183028A publication Critical patent/JP2018183028A/ja
Priority to US16/591,852 priority patent/US11404787B2/en
Publication of JP2018183028A5 publication Critical patent/JP2018183028A5/ja
Application granted granted Critical
Publication of JP6690609B2 publication Critical patent/JP6690609B2/ja
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/20—Means to switch the anti-theft system on or off
    • B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
    • H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
    • H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/537—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
    • H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
    • H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/4815—Resonant converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
    • H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
    • H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/537—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/538—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a push-pull configuration

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Inverter Devices (AREA)
  • Support Of Aerials (AREA)
  • Electronic Switches (AREA)
JP2017142059A 2017-04-06 2017-07-21 磁界発生回路 Active JP6690609B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201880022539.3A CN110506364B (zh) 2017-04-06 2018-04-03 磁场产生电路
PCT/JP2018/014293 WO2018186408A1 (ja) 2017-04-06 2018-04-03 磁界発生回路
DE112018001155.0T DE112018001155T5 (de) 2017-04-06 2018-04-03 Magnetfelderzeugungsschaltung
US16/591,852 US11404787B2 (en) 2017-04-06 2019-10-03 Magnetic-field generating circuit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017085696 2017-04-06
JP2017085696 2017-04-06

Publications (3)

Publication Number Publication Date
JP2018183028A JP2018183028A (ja) 2018-11-15
JP2018183028A5 JP2018183028A5 (enExample) 2020-03-26
JP6690609B2 true JP6690609B2 (ja) 2020-04-28

Family

ID=64276381

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017142059A Active JP6690609B2 (ja) 2017-04-06 2017-07-21 磁界発生回路

Country Status (4)

Country Link
US (1) US11404787B2 (enExample)
JP (1) JP6690609B2 (enExample)
CN (1) CN110506364B (enExample)
DE (1) DE112018001155T5 (enExample)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111917306A (zh) * 2020-08-21 2020-11-10 苏州浪潮智能科技有限公司 一种基于llc的电源开关切换驱动电路及方法
WO2022107432A1 (ja) * 2020-11-20 2022-05-27 株式会社村田製作所 アンテナ装置
WO2023240430A1 (zh) * 2022-06-14 2023-12-21 深圳市汇顶科技股份有限公司 信号发生电路和超声指纹识别装置
US12205400B2 (en) * 2022-06-14 2025-01-21 Huike (Singapore) Holding Pte.Ltd. Ultrasonic transceiver system and electronic device
WO2024011519A1 (zh) 2022-07-14 2024-01-18 深圳市汇顶科技股份有限公司 超声波指纹检测装置和电子设备

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GB9224602D0 (en) * 1992-11-24 1993-01-13 Welding Inst Charged particle generation
US5434767A (en) * 1994-01-10 1995-07-18 University Of Central Florida Power converter possessing zero-voltage switching and output isolation
FR2780222B1 (fr) * 1998-06-18 2000-08-11 Sgs Thomson Microelectronics Procede et systeme de detection par couplage inductif d'un signal de modulation de charge
JP3941323B2 (ja) 2000-03-10 2007-07-04 アイシン精機株式会社 ループアンテナ装置
GB0319518D0 (en) * 2003-08-19 2003-09-17 Plextek Ltd Location monitoring apparatus
FR2864720B1 (fr) * 2003-12-30 2006-06-09 St Microelectronics Sa Gestion du court-circuit dans une inductance d'un convertisseur elevateur de tension
JP2006041652A (ja) * 2004-07-23 2006-02-09 Mitsubishi Electric Corp 高周波磁界発生装置
US7932715B2 (en) * 2004-12-15 2011-04-26 Mark Anthony Howard Inductive detector with variable width loops on first and second surfaces of substrate
JP2006319846A (ja) 2005-05-16 2006-11-24 Sanyo Electric Co Ltd 無線通信システム及び無線通信装置
US7272024B2 (en) * 2005-06-08 2007-09-18 Tamura Corporation Synchronized rectification circuit and switching power supply device
WO2010036279A1 (en) * 2007-11-28 2010-04-01 Qualcomm Incorporated Wireless power range increase using parasitic antennas
US8278784B2 (en) 2008-07-28 2012-10-02 Qualcomm Incorporated Wireless power transmission for electronic devices
DE102009000328A1 (de) * 2009-01-20 2010-07-22 Semikron Elektronik Gmbh & Co. Kg Batterieladegerät und Verfahren zu dessen Betrieb
US8730120B2 (en) * 2010-11-12 2014-05-20 Panasonic Corporation Transmission/reception antenna and transmission/reception device using same
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Also Published As

Publication number Publication date
CN110506364A (zh) 2019-11-26
JP2018183028A (ja) 2018-11-15
US11404787B2 (en) 2022-08-02
DE112018001155T5 (de) 2019-11-28
US20200036096A1 (en) 2020-01-30
CN110506364B (zh) 2021-07-16

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