KR102257171B1 - 배터리 충전 시스템 - Google Patents
배터리 충전 시스템 Download PDFInfo
- Publication number
- KR102257171B1 KR102257171B1 KR1020197015505A KR20197015505A KR102257171B1 KR 102257171 B1 KR102257171 B1 KR 102257171B1 KR 1020197015505 A KR1020197015505 A KR 1020197015505A KR 20197015505 A KR20197015505 A KR 20197015505A KR 102257171 B1 KR102257171 B1 KR 102257171B1
- Authority
- KR
- South Korea
- Prior art keywords
- transistor
- transistors
- voltage
- series
- switching
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000003990 capacitor Substances 0.000 claims abstract description 19
- 230000003213 activating effect Effects 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
-
- 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
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/00714—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
- H02J7/007194—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
-
- H02J7/0072—
-
- H02J7/022—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
- H02J7/04—Regulation of charging current or voltage
-
- 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
- H02M3/06—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
Description
도 2 는 본 발명의 일부 실시형태들에 따른 배터리 충전 시스템을 도시한다.
Claims (14)
- 충전 시스템으로서,
버스 전압을 수신하도록 연결된 제 1 트랜지스터;
상기 제 1 트랜지스터와 직렬로 연결된 제 2 트랜지스터;
상기 제 1 트랜지스터 및 상기 제 2 트랜지스터와 직렬로 연결된 제 3 트랜지스터;
접지와 상기 제 3 트랜지스터 사이에 연결된 제 4 트랜지스터;
상기 제 1 트랜지스터, 상기 제 2 트랜지스터, 상기 제 3 트랜지스터 및 상기 제 4 트랜지스터의 게이트들을 제어하도록 연결된 스위칭 제어 회로; 및
상기 제 2 트랜지스터와 상기 제 3 트랜지스터에 걸쳐 연결된 플라잉 (flying) 커패시터를 포함하고,
상기 제 2 트랜지스터와 상기 제 3 트랜지스터 사이의 노드는 상기 스위칭 제어 회로가 상기 제 1 트랜지스터, 상기 제 2 트랜지스터, 상기 제 3 트랜지스터 및 상기 제 4 트랜지스터를 스위칭할 때 시스템 전압을 제공하도록 출력 인덕터에 연결되도록 구성되고,
상기 제 1 및 제 4 트랜지스터들은 상기 플라잉 커패시터를 충전하도록 동작되고, 상기 제 2 트랜지스터 및 상기 제 3 트랜지스터는 상기 제 1 및 제 4 트랜지스터들과 별도로 스위칭 트랜지스터들로서 동작되어 상기 출력 인덕터를 구동하는, 충전 시스템. - 제 1 항에 있어서,
상기 제 1 트랜지스터와 상기 버스 전압 사이에 버스 스위칭 트랜지스터가 연결되는, 충전 시스템. - 제 1 항에 있어서,
상기 시스템 전압은 전력 경로 스위칭 트랜지스터를 통해 배터리 팩에 연결되는, 충전 시스템. - 제 1 항에 있어서,
전력 경로 스위칭 트랜지스터가 전력 경로 제어기에 연결되는, 충전 시스템. - 제 4 항에 있어서,
상기 출력 인덕터는 상기 버스 전압이 상기 시스템 전압의 2 배가 되도록 배열되는, 충전 시스템. - 제 1 항에 있어서,
상기 제 1 트랜지스터 및 상기 제 4 트랜지스터는 상기 플라잉 커패시터에 걸친 전압이 상기 시스템 전압에 연결된 라인 및 부하 과도 (transient) 들에 따라 변화되도록 상기 제어 회로에 의해 동작되는, 충전 시스템. - 제 1 항에 있어서,
상기 제 2 트랜지스터 및 상기 제 3 트랜지스터는 1 % 와 99 % 사이의 듀티 사이클로 동작되는, 충전 시스템. - 충전 방법으로서,
4 개의 직렬 연결된 트랜지스터들에 걸쳐 버스 전압을 수신하는 단계로서, 상기 직렬 연결된 트랜지스터들은 상기 버스 전압과 연결된 제 1 트랜지스터, 상기 제 1 트랜지스터와 연결된 제 2 트랜지스터, 상기 제 2 트랜지스터와 연결된 제 3 트랜지스터 및 접지와 상기 제 3 트랜지스터 사이에 연결된 제 4 트랜지스터를 포함하는, 상기 수신하는 단계;
상기 4 개의 직렬 연결된 트랜지스터들 중 상기 제 2 트랜지스터 및 상기 제 3 트랜지스터에 걸쳐 연결된 플라잉 커패시터를 충전하도록 상기 직렬 연결된 트랜지스터들 중 상기 제 1 트랜지스터 및 상기 제 4 트랜지스터의 게이트들을 구동하는 단계; 및
시스템 전압을 공급하기 위해 출력 인덕터에 연결될 수 있는 상기 제 2 트랜지스터 및 상기 제 3 트랜지스터 사이의 노드를 갖는 상기 직렬 연결된 트랜지스터들 중 상기 제 2 트랜지스터 및 상기 제 3 트랜지스터의 게이트들을 상기 제 1 트랜지스터 및 상기 제 4 트랜지스터의 게이트들과 별도로 구동하는 단계를 포함하는, 충전 방법. - 제 8 항에 있어서,
상기 버스 전압과 상기 4 개의 직렬 연결된 트랜지스터들 사이에 연결된 별도의 트랜지스터를 활성화시키는 단계를 더 포함하는, 충전 방법. - 제 8 항에 있어서,
상기 시스템 전압은 배터리 팩을 충전하도록 연결되는, 충전 방법. - 제 10 항에 있어서,
상기 시스템 전압과 상기 배터리 팩 사이에 연결된 스위칭 트랜지스터를 활성화시키는 단계를 더 포함하는, 충전 방법. - 제 8 항에 있어서,
상기 버스 전압은 상기 시스템 전압의 2 배인, 충전 방법. - 제 8 항에 있어서,
상기 플라잉 커패시터는 상기 시스템 전압에 연결된 라인 및 부하 과도들에 따라 충전되는, 충전 방법. - 제 8 항에 있어서,
상기 출력 인덕터에 연결된 노드를 갖는 상기 직렬 연결된 트랜지스터들 중 상기 제 2 트랜지스터 및 상기 제 3 트랜지스터의 게이트들을 구동하는 것은, 1 % 와 99 % 사이의 범위에 걸친 듀티 사이클에서 상기 게이트들을 구동하는 것을 포함하는, 충전 방법.
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201662429058P | 2016-12-01 | 2016-12-01 | |
US201662428737P | 2016-12-01 | 2016-12-01 | |
US201662429056P | 2016-12-01 | 2016-12-01 | |
US62/429,056 | 2016-12-01 | ||
US62/429,058 | 2016-12-01 | ||
US62/428,737 | 2016-12-01 | ||
US15/828,158 US10554061B2 (en) | 2016-12-01 | 2017-11-30 | Battery charging system |
US15/828,158 | 2017-11-30 | ||
PCT/US2017/064225 WO2018102689A1 (en) | 2016-12-01 | 2017-12-01 | Battery charging system |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20190077046A KR20190077046A (ko) | 2019-07-02 |
KR102257171B1 true KR102257171B1 (ko) | 2021-05-27 |
Family
ID=67258657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020197015505A Active KR102257171B1 (ko) | 2016-12-01 | 2017-12-01 | 배터리 충전 시스템 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3549231A4 (ko) |
JP (1) | JP6898447B2 (ko) |
KR (1) | KR102257171B1 (ko) |
CN (1) | CN110050400B (ko) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112073029A (zh) * | 2020-08-12 | 2020-12-11 | 武汉博畅通信设备有限责任公司 | 一种跳频滤波器 |
WO2022067701A1 (zh) * | 2020-09-30 | 2022-04-07 | 华为技术有限公司 | 一种充电电路及电子设备 |
US11476691B2 (en) * | 2020-11-11 | 2022-10-18 | Halo Microelectronics International | Battery charger system and control method |
KR102382987B1 (ko) * | 2020-11-12 | 2022-04-05 | 주식회사 실리콘마이터스 | 전원 공급 회로 |
WO2022167887A1 (en) * | 2021-02-05 | 2022-08-11 | 3M Innovative Properties Company | Charger for a battery pack, charging system and method of charging |
CN112928800B (zh) * | 2021-02-05 | 2025-06-06 | 南京矽力微电子技术有限公司 | 充电电路及其充电系统 |
CN113595215B (zh) * | 2021-09-28 | 2022-01-04 | 广东希荻微电子股份有限公司 | 一种电池充电系统与集成芯片 |
US11606031B1 (en) * | 2022-01-31 | 2023-03-14 | Qualcomm Incorporated | Power supply circuit with low quiescent current in bypass mode |
WO2025018033A1 (ja) * | 2023-07-19 | 2025-01-23 | ローム株式会社 | 電源装置 |
WO2025018034A1 (ja) * | 2023-07-20 | 2025-01-23 | ローム株式会社 | 電源装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160254689A1 (en) * | 2015-02-27 | 2016-09-01 | Kwang Chan LEE | Dc-dc converter, charger integrated circuit and electronic device having the same and battery charging method thereof |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8503479A (nl) * | 1985-12-18 | 1987-07-16 | Philips Nv | Voedingsschakeling. |
JPH07322693A (ja) * | 1994-05-24 | 1995-12-08 | Canon Inc | ステッピングモータ駆動装置およびステッピングモータ駆動手段を用いた記録装置 |
US7511463B2 (en) * | 2005-06-21 | 2009-03-31 | Intel Corporation | Multiple output buck converter |
US8427113B2 (en) * | 2007-08-01 | 2013-04-23 | Intersil Americas LLC | Voltage converter with combined buck converter and capacitive voltage divider |
US20090033293A1 (en) * | 2007-08-01 | 2009-02-05 | Intersil Americas Inc. | Voltage converter with combined capacitive voltage divider, buck converter and battery charger |
EP2485376A1 (en) * | 2009-08-05 | 2012-08-08 | Mitsubishi Electric Corporation | Dc/dc power converter |
JP5189620B2 (ja) * | 2010-06-29 | 2013-04-24 | 三菱電機株式会社 | Dc/dc電力変換装置 |
WO2012074967A1 (en) * | 2010-11-29 | 2012-06-07 | President And Fellows Of Harvard College | Fully integrated 3-level dc/dc converter for nanosecond-scale dynamic voltage scaling with fast shunt regulation |
WO2014011706A1 (en) * | 2012-07-09 | 2014-01-16 | Inertech Ip Llc | Transformerless multi-level medium-voltage uninterruptible power supply (ups) systems and methods |
CN102946130B (zh) * | 2012-11-30 | 2015-01-07 | 成都芯源系统有限公司 | 一种电池充电电路及其控制电路和控制方法 |
US9160232B2 (en) * | 2013-02-15 | 2015-10-13 | St-Ericsson Sa | Efficient regulation of capacitance voltage(s) in a switched mode multilevel power converter |
US9450491B2 (en) * | 2014-10-23 | 2016-09-20 | Qualcomm Incorporated | Circuits and methods providing three-level signals at a synchronous buck converter |
US20160190921A1 (en) * | 2014-12-24 | 2016-06-30 | Intel Corporation | Selectable-mode voltage regulator topology |
US10069421B2 (en) * | 2015-02-05 | 2018-09-04 | Infineon Technologies Austria Ag | Multi-phase switching voltage regulator having asymmetric phase inductance |
US10033276B2 (en) * | 2015-03-06 | 2018-07-24 | Texas Instruments Incorporated | Current sensing using capacitor voltage ripple in hybrid capacitor/inductor power converters |
US9748841B2 (en) * | 2015-05-05 | 2017-08-29 | Texas Instruments Incorporated | Multilevel boost DC to DC converter circuit |
-
2017
- 2017-12-01 EP EP17877069.9A patent/EP3549231A4/en active Pending
- 2017-12-01 KR KR1020197015505A patent/KR102257171B1/ko active Active
- 2017-12-01 CN CN201780074639.6A patent/CN110050400B/zh active Active
- 2017-12-01 JP JP2019529211A patent/JP6898447B2/ja active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160254689A1 (en) * | 2015-02-27 | 2016-09-01 | Kwang Chan LEE | Dc-dc converter, charger integrated circuit and electronic device having the same and battery charging method thereof |
Also Published As
Publication number | Publication date |
---|---|
CN110050400A (zh) | 2019-07-23 |
EP3549231A4 (en) | 2020-04-08 |
EP3549231A1 (en) | 2019-10-09 |
KR20190077046A (ko) | 2019-07-02 |
JP2020501488A (ja) | 2020-01-16 |
CN110050400B (zh) | 2023-05-02 |
JP6898447B2 (ja) | 2021-07-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR102257171B1 (ko) | 배터리 충전 시스템 | |
US10790742B1 (en) | Multi-level power converter with improved transient load response | |
EP3691100B1 (en) | Switched capacitor conversion circuit, and charging control system and control method | |
KR102222603B1 (ko) | 효율적인 고속 배터리 충전을 위한 피드백 제어 | |
EP3506479A1 (en) | Direct current-direct current converter | |
US9172300B2 (en) | Charge-pump voltage divider and associated control method | |
EP3031118A1 (en) | Battery charger with buck-boost operation | |
US20220416653A1 (en) | Multi-Level Structures and Methods for Switched-Mode Power Supplies | |
CN105553007A (zh) | 一种升降压电池充电电路及其控制电路和控制方法 | |
US20180309313A1 (en) | Power management circuit and mobile terminal | |
US10348112B2 (en) | Power management circuit | |
KR20160146122A (ko) | 안정성이 향상된 양방향 비절연 dc-dc 컨버터 | |
KR20240091311A (ko) | 다중-레벨 변환기의 경부하 복구 개선 | |
US20180287496A1 (en) | Inverting buck-boost power converter | |
KR20170049177A (ko) | 프리차지 회로를 포함한 비절연 양방향 dc-dc 컨버터 | |
US20230208277A1 (en) | Zero current detection | |
CN104734496B (zh) | 一种sepic馈电升降压变换器 | |
US20250070661A1 (en) | Direct current-direct current converter and electronic device | |
US10554061B2 (en) | Battery charging system | |
CN113794373A (zh) | 多电平直流转换器及供电系统 | |
KR20190116004A (ko) | 용량 가변형 파워뱅크 시스템 | |
CN105917564B (zh) | 用于操作开关调节器的电路和方法 | |
WO2018102689A1 (en) | Battery charging system | |
US9857819B1 (en) | System and methods for multi-input switching regulator | |
CN117856610A (zh) | 三路功率转换器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0105 | International application |
Patent event date: 20190529 Patent event code: PA01051R01D Comment text: International Patent Application |
|
A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20190607 Comment text: Request for Examination of Application |
|
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20201123 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20210226 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20210521 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20210521 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration |