JP6656956B2 - スイッチングレギュレータ - Google Patents
スイッチングレギュレータ Download PDFInfo
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- JP6656956B2 JP6656956B2 JP2016043654A JP2016043654A JP6656956B2 JP 6656956 B2 JP6656956 B2 JP 6656956B2 JP 2016043654 A JP2016043654 A JP 2016043654A JP 2016043654 A JP2016043654 A JP 2016043654A JP 6656956 B2 JP6656956 B2 JP 6656956B2
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- circuit
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- comparison circuit
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- 238000012544 monitoring process Methods 0.000 claims description 7
- 230000005856 abnormality Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 description 10
- 239000004065 semiconductor Substances 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- H02H7/1203—Circuits independent of the type of conversion
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- H02H7/1213—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for DC-DC 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
-
- 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
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
-
- 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
- H02M1/0048—Circuits or arrangements for reducing losses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Description
図2は、従来のスイッチングレギュレータの回路図の一例を示す。従来のスイッチングレギュレータ200は、フィードバック抵抗6と、基準電圧回路12と、比較回路10と、R−Sフリップフロップ回路13と、オン時間制御回路11と、出力制御回路15と、ドライバー回路16及び17と、パワーFET2及び4と、インダクタ3と、ショットキーダイオード4と、コンデンサ5を備えている。また、保護回路として、電源電圧監視回路30と、過熱保護回路40と、制御回路14と、を備えている。
電源電圧監視回路30は、電源電圧を検出する比較回路31を備えている(例えば、特許文献1参照)。過熱保護回路40は、温度を検出する比較回路41を備えている。
比較回路20とスイッチ回路21〜23とスイッチ制御回路28を備え、スイッチ制御回路28の制御信号S1〜S3でスイッチ回路21〜23を切替え、1つの比較回路20で複数の異常検出機能を実現する構成としたスイッチングレギュレータ。
本実施形態のスイッチングレギュレータ100は、パワーFET2及び4と、インダクタ3と、コンデンサ5と、フィードバック抵抗6と、比較回路10と、オン時間制御回路11と、基準電圧回路12と、R−Sフリップフロップ回路13と、出力制御回路15と、ドライバー回路16及び17と、比較回路20と、スイッチ回路21〜23と、分圧回路24と、温度センサー25と、基準電圧回路26及び27と、スイッチ制御回路28と、を備えている。
スイッチ制御回路28は、出力制御回路15がドライバー回路16に出力したパワーFET2をオンする信号を動機として、保護回路を時分割動作させる制御信号S1〜S3をスイッチ回路21〜23に出力し、制御信号SSを比較回路20に出力する。
比較回路20は、制御信号SSを受けると、例えば、スイッチがオンすることによって、動作電流が供給され動作を開始する。
ここで、スイッチ制御回路28は、制御信号SSによって比較回路20の動作を停止するように制御する。
また、保護機能を実現するための回路や監視項目や監視を開始するタイミングや順序は一例であり、これに限限定されるものではない。
11 オン時間制御回路
12、26、27 基準電圧回路
13 R−Sフリップフロップ
15 出力制御回路
25 温度センサー
28 スイッチ制御回路
Claims (2)
- 第一の基準電圧とフィードバック電圧とを比較する第一の比較器と、
前記第一の比較器の出力信号に応じてオンオフ制御信号を出力する出力制御回路と、
前記オンオフ制御信号で制御されるパワーFETと、
複数の保護機能を実現するための複数の監視回路と、
第二の比較回路と、
前記複数の監視回路と前記第二の比較回路の第一及び第二の入力端子との接続を切替える第一及び第二のスイッチ回路と、
前記第二の比較回路の出力端子と前記第一の比較器や前記出力制御回路の制御端子との接続を切替える第三のスイッチ回路と、
前記第一及び第二及び第三のスイッチ回路へ第一及び第二及び第三の制御信号を出力するスイッチ制御回路と、を備え、
前記スイッチ制御回路は、前記第一及び第二及び第三のスイッチ回路を切替えることによって、前記第二の比較回路に時分割で複数の異常を検出させるようにした、
ことを特徴とするスイッチングレギュレータ。 - 前記スイッチ制御回路は、前記第二の比較回路へ制御信号を出力することによって、前記第二の比較回路に前記複数の異常を検出しているときのみ動作させるようにした、
ことを特徴とする請求項1に記載のスイッチングレギュレータ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016043654A JP6656956B2 (ja) | 2016-03-07 | 2016-03-07 | スイッチングレギュレータ |
US15/448,063 US9859795B2 (en) | 2016-03-07 | 2017-03-02 | Switching regulator for detecting a plurality of abnormalities using only one comparison circuit |
KR1020170027676A KR102322659B1 (ko) | 2016-03-07 | 2017-03-03 | 스위칭 레귤레이터 |
TW106107133A TWI716553B (zh) | 2016-03-07 | 2017-03-06 | 切換式調整器 |
CN201710129866.6A CN107171533B (zh) | 2016-03-07 | 2017-03-07 | 开关调节器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016043654A JP6656956B2 (ja) | 2016-03-07 | 2016-03-07 | スイッチングレギュレータ |
Publications (2)
Publication Number | Publication Date |
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JP2017163634A JP2017163634A (ja) | 2017-09-14 |
JP6656956B2 true JP6656956B2 (ja) | 2020-03-04 |
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Family Applications (1)
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JP2016043654A Active JP6656956B2 (ja) | 2016-03-07 | 2016-03-07 | スイッチングレギュレータ |
Country Status (5)
Country | Link |
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US (1) | US9859795B2 (ja) |
JP (1) | JP6656956B2 (ja) |
KR (1) | KR102322659B1 (ja) |
CN (1) | CN107171533B (ja) |
TW (1) | TWI716553B (ja) |
Families Citing this family (2)
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US10790746B2 (en) * | 2017-08-04 | 2020-09-29 | Dialog Semiconductor (Uk) Limited | Power dissipation regulated buck architecture |
US10944322B1 (en) | 2019-10-24 | 2021-03-09 | Kinetic Technologies | Adaptive on-time DC-to-DC buck regulators with constant switching frequency |
Family Cites Families (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0765275A (ja) * | 1993-08-31 | 1995-03-10 | Toyota Autom Loom Works Ltd | 電源電圧監視装置 |
CN100433487C (zh) * | 2004-02-13 | 2008-11-12 | 浙江大学 | 防止多分支变压器差动保护误动的分相综合制动装置 |
JP4808635B2 (ja) * | 2004-12-21 | 2011-11-02 | ローム株式会社 | スイッチングレギュレータ |
JP4811850B2 (ja) * | 2005-08-11 | 2011-11-09 | ルネサスエレクトロニクス株式会社 | スイッチング・レギュレータ |
CN101005237A (zh) * | 2006-01-18 | 2007-07-25 | 国际整流器公司 | 用于电压转换器的电流检测放大器 |
JP4779793B2 (ja) * | 2006-05-01 | 2011-09-28 | 株式会社デンソー | Ad変換装置及び電子制御装置 |
CN101526990B (zh) * | 2008-03-04 | 2011-06-29 | 奇景光电股份有限公司 | 电容式指纹感应器及其面板 |
JP2009296714A (ja) | 2008-06-03 | 2009-12-17 | Mitsumi Electric Co Ltd | 低電圧検出回路および電源制御用半導体集積回路 |
US8188721B2 (en) * | 2008-08-05 | 2012-05-29 | Intersil Americas Inc. | Active pulse positioning modulator |
JP2010226916A (ja) * | 2009-03-25 | 2010-10-07 | Sanken Electric Co Ltd | スイッチング電源装置、及びその制御回路 |
JP5513829B2 (ja) * | 2009-10-01 | 2014-06-04 | パナソニック株式会社 | 電流駆動回路 |
US7932772B1 (en) * | 2009-11-02 | 2011-04-26 | Delphia Technologies, Inc. | Curvature-compensated band-gap voltage reference circuit |
CN201629564U (zh) * | 2010-02-10 | 2010-11-10 | 北京中纺锐力机电有限公司 | 一种igbt模块过温保护电路 |
US8476888B1 (en) * | 2010-02-24 | 2013-07-02 | National Semiconductor Corporation | Switching regulator providing current regulation based on using switching transistor current to control on time |
WO2011145707A1 (en) * | 2010-05-21 | 2011-11-24 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and display device |
JP2012021867A (ja) * | 2010-07-14 | 2012-02-02 | Ricoh Co Ltd | 二次電池を複数個直列に接続した組電池の保護用半導体装置、該保護用半導体装置を内蔵した電池パックおよび電子機器 |
JP5276750B2 (ja) * | 2010-09-02 | 2013-08-28 | 株式会社アイ・オー・データ機器 | 保護機能付きスイッチング電源回路およびそれを用いた電子機器 |
JP5798328B2 (ja) * | 2011-02-01 | 2015-10-21 | セイコーインスツル株式会社 | スイッチングレギュレータ制御回路及びスイッチングレギュレータ |
JP5229345B2 (ja) * | 2011-03-22 | 2013-07-03 | ダイキン工業株式会社 | 電源回路 |
CN102857105A (zh) * | 2011-06-30 | 2013-01-02 | 海洋王照明科技股份有限公司 | 开关电源电路及相应的开关电源装置 |
CN202353255U (zh) * | 2011-11-29 | 2012-07-25 | 福州开发区星云电子自动化有限公司 | 充放电共用mosfet的实用电池充放电电路 |
JP5942455B2 (ja) * | 2012-02-09 | 2016-06-29 | 株式会社ソシオネクスト | スイッチングレギュレータ |
CN103293479A (zh) * | 2012-03-05 | 2013-09-11 | 新普科技股份有限公司 | 电池安全保护装置及其测试方法 |
JP5962115B2 (ja) * | 2012-03-26 | 2016-08-03 | 富士通株式会社 | 電源回路 |
JP6040582B2 (ja) * | 2012-06-14 | 2016-12-07 | 富士電機株式会社 | マルチレベル電力変換回路の保護制御方式 |
JP2014064354A (ja) * | 2012-09-20 | 2014-04-10 | Fanuc Ltd | 異常検出機能を有するデジタル制御電源 |
CN102891596B (zh) * | 2012-09-27 | 2015-02-25 | 成都芯源系统有限公司 | 控制电路、开关变换器及其控制方法 |
CN103227491B (zh) * | 2013-04-28 | 2015-08-12 | 湘潭大学 | 用于电动车锂电池组的数据采集和能量均衡控制装置及方法 |
CN203883456U (zh) * | 2014-04-03 | 2014-10-15 | 上海新进半导体制造有限公司 | 一种复用检测电路、开关电源控制器及反激式转换器 |
KR102116148B1 (ko) * | 2014-04-15 | 2020-06-08 | 매그나칩 반도체 유한회사 | 스위치 제어 회로 및 이를 이용한 변환기 |
JP2015228578A (ja) * | 2014-05-30 | 2015-12-17 | 株式会社東芝 | 積分回路 |
JP6262082B2 (ja) * | 2014-06-09 | 2018-01-17 | 株式会社東芝 | Dc−dc変換器 |
CN104466913B (zh) * | 2014-12-02 | 2017-07-18 | 成都芯源系统有限公司 | 开关变换电路及其方法 |
JP2016139921A (ja) * | 2015-01-27 | 2016-08-04 | 株式会社ソシオネクスト | 出力回路及び集積回路 |
CN204517684U (zh) * | 2015-03-05 | 2015-07-29 | 成都芯源系统有限公司 | 一种隔离式电压变换电路和控制电路 |
CN105140890B (zh) * | 2015-09-28 | 2017-10-31 | 苏州华兴源创电子科技有限公司 | 一种稳态过压保护系统 |
CN105553263B (zh) * | 2015-12-28 | 2018-04-06 | 成都芯源系统有限公司 | 恒定导通时长控制的开关电源及其控制电路和控制方法 |
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2016
- 2016-03-07 JP JP2016043654A patent/JP6656956B2/ja active Active
-
2017
- 2017-03-02 US US15/448,063 patent/US9859795B2/en active Active
- 2017-03-03 KR KR1020170027676A patent/KR102322659B1/ko active IP Right Grant
- 2017-03-06 TW TW106107133A patent/TWI716553B/zh active
- 2017-03-07 CN CN201710129866.6A patent/CN107171533B/zh active Active
Also Published As
Publication number | Publication date |
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JP2017163634A (ja) | 2017-09-14 |
TWI716553B (zh) | 2021-01-21 |
KR102322659B1 (ko) | 2021-11-05 |
CN107171533A (zh) | 2017-09-15 |
US20170257028A1 (en) | 2017-09-07 |
TW201801460A (zh) | 2018-01-01 |
KR20170104390A (ko) | 2017-09-15 |
US9859795B2 (en) | 2018-01-02 |
CN107171533B (zh) | 2020-03-27 |
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