CN101110488B - 对电池组电压监控设备 - Google Patents
对电池组电压监控设备 Download PDFInfo
- Publication number
- CN101110488B CN101110488B CN2007101302352A CN200710130235A CN101110488B CN 101110488 B CN101110488 B CN 101110488B CN 2007101302352 A CN2007101302352 A CN 2007101302352A CN 200710130235 A CN200710130235 A CN 200710130235A CN 101110488 B CN101110488 B CN 101110488B
- Authority
- CN
- China
- Prior art keywords
- switch
- battery
- battery cell
- voltage
- controller
- 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
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
- G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
- G01R19/16542—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies for batteries
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
- G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Measurement Of Current Or Voltage (AREA)
- Tests Of Electric Status Of Batteries (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
Claims (17)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/457,932 US7825627B2 (en) | 2006-07-17 | 2006-07-17 | Monitoring battery cell voltage |
US11/457,932 | 2006-07-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101110488A CN101110488A (zh) | 2008-01-23 |
CN101110488B true CN101110488B (zh) | 2011-05-04 |
Family
ID=38432941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007101302352A Active CN101110488B (zh) | 2006-07-17 | 2007-07-16 | 对电池组电压监控设备 |
Country Status (8)
Country | Link |
---|---|
US (3) | US7825627B2 (zh) |
EP (1) | EP1881333B1 (zh) |
JP (1) | JP5376775B2 (zh) |
CN (1) | CN101110488B (zh) |
AT (1) | ATE453868T1 (zh) |
DE (1) | DE602007004035D1 (zh) |
HK (1) | HK1115674A1 (zh) |
TW (1) | TWI337662B (zh) |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8288999B2 (en) * | 2006-08-01 | 2012-10-16 | Aeneas Energy Technology Co., Ltd. | Charging circuit for balance charging serially connected batteries |
IL189332A0 (en) * | 2008-02-06 | 2008-11-03 | Zeev Lavi | A system and method for the controlled recharge of batteries in electric powered vehicles |
JP2011199993A (ja) * | 2010-03-18 | 2011-10-06 | Rohm Co Ltd | 充電制御装置、負荷駆動装置 |
GB2481119B (en) * | 2010-06-09 | 2015-11-04 | Chervon Hk Ltd | Battery capacity display for a power tool |
JP5571486B2 (ja) * | 2010-07-14 | 2014-08-13 | 矢崎総業株式会社 | 組電池の電圧検出装置 |
US8497031B2 (en) * | 2010-08-10 | 2013-07-30 | GM Global Technology Operations LLC | Combined heating and pre-charging function and hardware for propulsion batteries |
US9281535B2 (en) * | 2010-08-12 | 2016-03-08 | Imergy Power Systems, Inc. | System dongle |
JP2012090474A (ja) * | 2010-10-21 | 2012-05-10 | Hitachi Vehicle Energy Ltd | 電池システム |
US9851412B2 (en) | 2010-11-09 | 2017-12-26 | International Business Machines Corporation | Analyzing and controlling performance in a composite battery module |
DE102011007912A1 (de) * | 2011-04-21 | 2012-10-25 | Siemens Aktiengesellschaft | Verfahren zum Aufbau einer IP-basierten Kommunikationsverbindung zwischen einem Elektrofahrzeug und einer Ladesteuereinheit |
EP2535729A1 (en) | 2011-06-16 | 2012-12-19 | ST-Ericsson SA | Battery charge determination |
CN102275524A (zh) * | 2011-06-30 | 2011-12-14 | 奇瑞汽车股份有限公司 | 一种动力电池包的诊断系统及其诊断方法 |
US9537335B2 (en) * | 2011-07-24 | 2017-01-03 | Makita Corporation | Adapter for power tools, power tool system and method for wirelessly communicating maintenance information therefor |
US9018906B2 (en) * | 2011-09-09 | 2015-04-28 | Samsung Sdi Co., Ltd. | Battery pack |
GB2583629B (en) | 2012-07-17 | 2021-06-09 | Milwaukee Electric Tool Corp | Universal protocol for power tools |
US9007067B2 (en) * | 2012-08-28 | 2015-04-14 | Energy Pass Incorporation | Apparatus and method for estimating battery condition of battery pack by solely monitoring one selected battery cell |
CN102928246B (zh) * | 2012-10-26 | 2015-01-21 | 苏州劲翔电子科技有限公司 | 锂电池电池充电钻测试机 |
JP6081178B2 (ja) * | 2012-12-14 | 2017-02-15 | 株式会社日立製作所 | 電力変換器および電力変換器の制御方法 |
CN103972599A (zh) * | 2013-02-06 | 2014-08-06 | 北京尚能联创科技有限公司 | 一种电池参数检测电路、电池组及其工作方法 |
US10131042B2 (en) | 2013-10-21 | 2018-11-20 | Milwaukee Electric Tool Corporation | Adapter for power tool devices |
US9797959B2 (en) | 2013-11-19 | 2017-10-24 | Qualcomm Incorporated | Battery fuel gauges using FET segment control to increase low current measurement accuracy |
DE102014200822A1 (de) * | 2014-01-17 | 2015-07-23 | Robert Bosch Gmbh | Kommunikationsschnittstelle für eine drahtlose Übertragung von Daten zwischen einem Batteriesystem und einer weiteren Einrichtung |
US9041321B1 (en) | 2014-06-30 | 2015-05-26 | Case-Mate, Inc. | PWM control of vibration motors for mobile electronic devices |
US10447045B2 (en) * | 2015-01-30 | 2019-10-15 | Sony Corporation | Power control device, power control method, and power control system |
US10603770B2 (en) | 2015-05-04 | 2020-03-31 | Milwaukee Electric Tool Corporation | Adaptive impact blow detection |
US9756402B2 (en) | 2015-05-04 | 2017-09-05 | Milwaukee Electric Tool Corporation | Power tool and method for wireless communication |
US10295990B2 (en) | 2015-05-18 | 2019-05-21 | Milwaukee Electric Tool Corporation | User interface for tool configuration and data capture |
US10850380B2 (en) | 2015-06-02 | 2020-12-01 | Milwaukee Electric Tool Corporation | Multi-speed power tool with electronic clutch |
WO2016205404A1 (en) | 2015-06-15 | 2016-12-22 | Milwaukee Electric Tool Corporation | Hydraulic crimper tool |
CN107921618B (zh) | 2015-06-15 | 2022-10-28 | 米沃奇电动工具公司 | 电动工具通信系统 |
US10380883B2 (en) | 2015-06-16 | 2019-08-13 | Milwaukee Electric Tool Corporation | Power tool profile sharing and permissions |
US10345797B2 (en) | 2015-09-18 | 2019-07-09 | Milwaukee Electric Tool Corporation | Power tool operation recording and playback |
DK3369292T3 (da) | 2015-10-30 | 2021-02-08 | Milwaukee Electric Tool Corp | Fjernlysstyring, -konfiguration og -overvågning |
US11424601B2 (en) | 2015-11-02 | 2022-08-23 | Milwaukee Electric Tool Corporation | Externally configurable worksite power distribution box |
US20170131362A1 (en) * | 2015-11-09 | 2017-05-11 | Digi International Inc. | Method for determining remaining battery life of at least one electrochemical cell or battery across a large temperature range |
EP3202537B1 (en) | 2015-12-17 | 2019-06-05 | Milwaukee Electric Tool Corporation | System and method for configuring a power tool with an impact mechanism |
KR102251270B1 (ko) | 2016-01-05 | 2021-05-11 | 밀워키 일렉트릭 툴 코포레이션 | 전동 공구를 위한 진동 감소 시스템 및 그 방법 |
WO2017136546A1 (en) | 2016-02-03 | 2017-08-10 | Milwaukee Electric Tool Corporation | System and methods for configuring a reciprocating saw |
PL3419791T3 (pl) | 2016-02-25 | 2022-06-13 | Milwaukee Electric Tool Corporation | Elektronarzędzie z czujnikiem położenia wyjściowego |
US10628898B2 (en) * | 2016-03-07 | 2020-04-21 | Husqvarna Ab | Identifying and locating a substitute battery for a construction job site power tool |
US10540728B2 (en) * | 2016-03-09 | 2020-01-21 | Husqvarna Ab | Locating substitute construction tools within a construction worksite |
US11622392B2 (en) | 2016-06-06 | 2023-04-04 | Milwaukee Electric Tool Corporation | System and method for establishing a wireless connection between power tool and mobile device |
TWM555274U (zh) | 2016-06-06 | 2018-02-11 | 米沃奇電子工具公司 | 用以與動力工具裝置作連接的行動裝置 |
US10256509B2 (en) * | 2017-02-07 | 2019-04-09 | International Business Machines Corporation | Short-circuit protection in wet-cell battery |
EP3648648A4 (en) | 2017-07-05 | 2021-03-31 | Milwaukee Electric Tool Corporation | ADAPTER FOR COMMUNICATION BETWEEN POWER TOOLS |
US20210237252A1 (en) * | 2018-07-27 | 2021-08-05 | Koki Holdings Co., Ltd. | Electric work machine and electric work machine system |
US11011053B2 (en) | 2018-07-31 | 2021-05-18 | Tti (Macao Commercial Offshore) Limited | Systems and methods for remote power tool device control |
WO2020033341A1 (en) | 2018-08-06 | 2020-02-13 | Techtronic Cordless Gp | Systems and methods for selectively enabling the operation of a device |
JP7059945B2 (ja) * | 2019-01-23 | 2022-04-26 | 株式会社デンソー | 電源システム |
IT202000017581A1 (it) * | 2020-07-20 | 2022-01-20 | Stmicroelectronics Application Gmbh | Sistema di elaborazione per monitorare le tensioni di cella di una batteria ricaricabile, relativo sistema di monitoraggio di batteria e veicolo elettrico |
CN112909897A (zh) * | 2020-11-23 | 2021-06-04 | 宁波市芯能微电子科技有限公司 | 一种剪枝机的电池管理保护系统 |
CN113714857B (zh) * | 2021-09-15 | 2023-03-24 | 江苏大艺科技股份有限公司 | 带多角度调节激光模组的集尘器 |
JP2023088630A (ja) * | 2021-12-15 | 2023-06-27 | 日立Astemo株式会社 | バッテリデータ伝送装置、バッテリ管理装置、バッテリデータ伝送方法、バッテリデータ伝送システム |
Family Cites Families (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5897720A (ja) * | 1981-12-04 | 1983-06-10 | Matsushita Electric Ind Co Ltd | 電源回路 |
FR2537785A1 (fr) * | 1982-12-13 | 1984-06-15 | Electricite De France | Dispositif de controle de la capacite d'une batterie d'elements d'accumulateur |
EP0623987B1 (en) * | 1993-05-05 | 1999-07-07 | STMicroelectronics Pte Ltd. | Battery charger |
US6060864A (en) * | 1994-08-08 | 2000-05-09 | Kabushiki Kaisha Toshiba | Battery set structure and charge/discharge control apparatus for lithium-ion battery |
US5631539A (en) * | 1994-10-24 | 1997-05-20 | Norand Corporation | Process and apparatus for charging lithium cells or the like |
US5625275A (en) * | 1995-05-24 | 1997-04-29 | Ast Research, Inc. | Power supply which provides a variable charging current to a battery in a portable computer system |
US6104165A (en) * | 1995-06-16 | 2000-08-15 | Zip Charge Corporation | Multi-stage battery charging system |
JP3620118B2 (ja) * | 1995-10-24 | 2005-02-16 | 松下電器産業株式会社 | 定電流・定電圧充電装置 |
US6181106B1 (en) * | 1996-07-18 | 2001-01-30 | Curtis Instruments, Inc. | Sequential high-rate charging of battery cells |
US5939801A (en) * | 1997-05-05 | 1999-08-17 | Bouffard; Donald M. | Remote d.c. power supply with automatic backup power feature |
US6198251B1 (en) * | 1997-06-03 | 2001-03-06 | Fluor Corporation | Method for sequentially charging batteries in situ |
US5815351A (en) * | 1997-07-21 | 1998-09-29 | Dell Computer Corporation | Overload protection circuit using a no-trim circuit for computer power supplies |
JP3571536B2 (ja) * | 1997-10-20 | 2004-09-29 | 富士通株式会社 | バッテリ充電装置及び方法並びに電子装置 |
FR2776139B1 (fr) * | 1998-03-13 | 2002-03-08 | Denso Corp | Dispositif d'equilibrage des tensions dans une batterie composee |
US6107782A (en) * | 1998-04-07 | 2000-08-22 | Matsushita Electric Industrial Co., Ltd. | Multi-staged method for recharging a lead acid battery as a function of intrinsic battery characteristics |
US6130813A (en) * | 1999-01-11 | 2000-10-10 | Dell U.S.A., L.P. | Protection circuit for electronic devices |
JP3380766B2 (ja) * | 1999-03-18 | 2003-02-24 | 富士通株式会社 | 保護方法及び制御回路並びに電池ユニット |
JP3323832B2 (ja) * | 1999-06-08 | 2002-09-09 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 複数の電池の充放電を制御する方法 |
JP3670522B2 (ja) * | 1999-07-30 | 2005-07-13 | 富士通株式会社 | バッテリパック |
US6411483B1 (en) * | 1999-11-24 | 2002-06-25 | Enterasys Networks, Inc. | Hiccup-mode current protection circuit for switching regulator |
JP2001174531A (ja) | 1999-12-15 | 2001-06-29 | Denso Corp | 組電池の異常検出装置 |
JP2001211558A (ja) * | 2000-01-27 | 2001-08-03 | Sanyo Electric Co Ltd | 複数の電池の充電方法 |
JP3962524B2 (ja) * | 2000-02-29 | 2007-08-22 | 富士通株式会社 | 放電制御回路 |
CN2424487Y (zh) | 2000-03-13 | 2001-03-21 | 神基科技股份有限公司 | 笔记型电脑的备用电源装置 |
JP2002058170A (ja) * | 2000-08-11 | 2002-02-22 | Japan Storage Battery Co Ltd | 無停電電源装置 |
US6339314B1 (en) * | 2000-12-27 | 2002-01-15 | Philips Electronics North America Corporation | Battery charger circuit with low standby power dissipation |
JP4287077B2 (ja) * | 2001-07-12 | 2009-07-01 | 株式会社デンソー | 充電状態検出装置 |
JP4605952B2 (ja) * | 2001-08-29 | 2011-01-05 | 株式会社日立製作所 | 蓄電装置及びその制御方法 |
US6522102B1 (en) * | 2001-12-14 | 2003-02-18 | Zinc Matrix Power, Inc. | Multiple plateau battery charging method and system to charge to the second plateau |
JP3539424B2 (ja) * | 2002-07-24 | 2004-07-07 | 日産自動車株式会社 | 電気自動車の制御装置 |
EP1673828B1 (en) * | 2003-10-14 | 2013-05-08 | Black & Decker Inc. | Protection methods, protection circuits and protective devices for secondary batteries, a power tool, charger and battery pack adapted to provide protection against fault conditions in the battery pack |
JP4065232B2 (ja) * | 2003-12-11 | 2008-03-19 | 三洋電機株式会社 | 電池の充電方法 |
JP4543714B2 (ja) * | 2004-03-23 | 2010-09-15 | 日産自動車株式会社 | 組電池の容量調整装置および容量調整方法 |
JP4121511B2 (ja) * | 2004-03-30 | 2008-07-23 | 三洋電機株式会社 | 電源装置 |
WO2005117231A1 (en) | 2004-05-24 | 2005-12-08 | Milwaukee Electric Tool Corporation | Method and system for battery charging |
JP2006115640A (ja) * | 2004-10-15 | 2006-04-27 | Nissan Motor Co Ltd | 組電池の容量調整装置 |
JP4241715B2 (ja) | 2005-11-17 | 2009-03-18 | パナソニック電工株式会社 | 電動工具用の電池パック |
US7646174B2 (en) * | 2006-02-22 | 2010-01-12 | The Gillette Company | Battery low-voltage cutoff circuit |
-
2006
- 2006-07-17 US US11/457,932 patent/US7825627B2/en active Active
-
2007
- 2007-05-22 JP JP2007135907A patent/JP5376775B2/ja active Active
- 2007-06-05 AT AT07011030T patent/ATE453868T1/de not_active IP Right Cessation
- 2007-06-05 EP EP07011030A patent/EP1881333B1/en active Active
- 2007-06-05 DE DE602007004035T patent/DE602007004035D1/de active Active
- 2007-07-16 CN CN2007101302352A patent/CN101110488B/zh active Active
- 2007-07-17 TW TW096126070A patent/TWI337662B/zh active
-
2008
- 2008-05-23 HK HK08105773.4A patent/HK1115674A1/xx unknown
-
2010
- 2010-11-02 US US12/938,200 patent/US8294424B2/en active Active
- 2010-11-02 US US12/938,188 patent/US8310206B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP1881333A1 (en) | 2008-01-23 |
EP1881333B1 (en) | 2009-12-30 |
US20080012534A1 (en) | 2008-01-17 |
US20110057586A1 (en) | 2011-03-10 |
US8310206B2 (en) | 2012-11-13 |
US8294424B2 (en) | 2012-10-23 |
TWI337662B (en) | 2011-02-21 |
HK1115674A1 (en) | 2008-12-05 |
TW200810189A (en) | 2008-02-16 |
US7825627B2 (en) | 2010-11-02 |
US20110043168A1 (en) | 2011-02-24 |
JP5376775B2 (ja) | 2013-12-25 |
DE602007004035D1 (de) | 2010-02-11 |
ATE453868T1 (de) | 2010-01-15 |
CN101110488A (zh) | 2008-01-23 |
JP2008026308A (ja) | 2008-02-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101110488B (zh) | 对电池组电压监控设备 | |
KR100696780B1 (ko) | 배터리팩의 모니터링 장치 및 그 방법 | |
JP6677252B2 (ja) | 制御装置、蓄電装置、及び、制御方法 | |
KR100281534B1 (ko) | 휴대용 컴퓨터의 배터리팩 선택 회로 | |
CN102282739B (zh) | 保护监视电路、电池组、二次电池监视电路以及保护电路 | |
US20080012570A1 (en) | Monitoring battery cell voltage | |
US9843205B2 (en) | Secondary protection IC, method of controlling secondary protection IC, protection module, and battery pack | |
CN101322295A (zh) | 电池组和电池保护方法 | |
KR101621407B1 (ko) | 배터리 팩 관리 장치 및 관리 방법 | |
CN102859830A (zh) | 用于电动工具的电池组、控制电路及程序 | |
CN102457078A (zh) | 电池均衡电路、电池均衡系统及方法 | |
KR101877564B1 (ko) | 배터리 팩 | |
CN101252284B (zh) | 半导体装置和充电式电源装置 | |
CN101158710A (zh) | 对电池组电压监控设备 | |
JP4479008B2 (ja) | 電池パック及び充電器 | |
KR100601557B1 (ko) | 배터리팩의 모니터링 장치 및 그 방법 | |
KR20200079012A (ko) | 배터리 팩 및 이를 포함하는 전자 장치 | |
EP2815482B1 (en) | Method and circuitry for battery protection | |
JP7038953B2 (ja) | 通信端子の絶縁機能を有するバッテリーパック | |
JPH08237872A (ja) | 二次電池の充放電保護装置 | |
KR100798884B1 (ko) | 배터리 충전 장치 및 방법 | |
KR20150050227A (ko) | 배터리 팩 관리 장치 및 방법 | |
JP2006228662A (ja) | 電池パック | |
KR20220167117A (ko) | 과방전 방지 장치 및 방법 | |
CN115241939A (zh) | 多电芯电池、电子设备 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1115674 Country of ref document: HK |
|
ASS | Succession or assignment of patent right |
Owner name: O2 TECH. INTERNATIONAL LTD. Free format text: FORMER OWNER: O2 MICRO INC Effective date: 20101122 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: CALIFORNIA, AMERICA TO: ENGLISH CAYMAN ISLANDS, ENGLAND |
|
TA01 | Transfer of patent application right |
Effective date of registration: 20101122 Address after: British Cayman Islands Applicant after: O2 Tech. International Ltd. Address before: American California Applicant before: O2 Micro Inc |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1115674 Country of ref document: HK |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210419 Address after: Room 202, 289 Chunxiao Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: OMicro Technology (China) Co.,Ltd. Address before: British Cayman Islands Patentee before: O2Micro International Ltd. |