ATE18948T1 - Verfahren und vorrichtung zum testen einer batterie. - Google Patents
Verfahren und vorrichtung zum testen einer batterie.Info
- Publication number
- ATE18948T1 ATE18948T1 AT82302752T AT82302752T ATE18948T1 AT E18948 T1 ATE18948 T1 AT E18948T1 AT 82302752 T AT82302752 T AT 82302752T AT 82302752 T AT82302752 T AT 82302752T AT E18948 T1 ATE18948 T1 AT E18948T1
- Authority
- AT
- Austria
- Prior art keywords
- battery
- current
- voltage
- supplied
- tested
- Prior art date
Links
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]
- G01R31/385—Arrangements for measuring battery or accumulator variables
-
- 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]
- G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S320/00—Electricity: battery or capacitor charging or discharging
- Y10S320/13—Fault detection
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S320/00—Electricity: battery or capacitor charging or discharging
- Y10S320/18—Indicator or display
- Y10S320/21—State of charge of battery
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/270,823 US4433294A (en) | 1981-06-05 | 1981-06-05 | Method and apparatus for testing a battery |
| EP82302752A EP0067589B1 (de) | 1981-06-05 | 1982-05-27 | Verfahren und Vorrichtung zum Testen einer Batterie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE18948T1 true ATE18948T1 (de) | 1986-04-15 |
Family
ID=23032950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT82302752T ATE18948T1 (de) | 1981-06-05 | 1982-05-27 | Verfahren und vorrichtung zum testen einer batterie. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4433294A (de) |
| EP (1) | EP0067589B1 (de) |
| AT (1) | ATE18948T1 (de) |
| CA (1) | CA1184599A (de) |
| DE (2) | DE67589T1 (de) |
Families Citing this family (72)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4697134A (en) * | 1986-07-31 | 1987-09-29 | Commonwealth Edison Company | Apparatus and method for measuring battery condition |
| US4745349A (en) * | 1986-10-16 | 1988-05-17 | Allied Corporation | Apparatus and method for charging and testing batteries |
| DE3706076A1 (de) * | 1987-02-25 | 1988-09-08 | Elektron Bremen | Verfahren und vorrichtung zur ueberwachung des bereitschaftszustandes eines batteriebetriebenen fahrzeuges |
| US4916438A (en) * | 1987-10-16 | 1990-04-10 | Oneac Corporation | Battery charging, monitoring and alarm circuit |
| US4968942A (en) * | 1988-10-14 | 1990-11-06 | Allied-Signal Inc. | Method for monitoring aircraft battery status |
| US4937528A (en) * | 1988-10-14 | 1990-06-26 | Allied-Signal Inc. | Method for monitoring automotive battery status |
| US5049803A (en) * | 1989-05-10 | 1991-09-17 | Allied-Signal Inc. | Method and apparatus for charging and testing batteries |
| DE3942288C1 (de) * | 1989-12-21 | 1991-03-14 | Scheidt & Bachmann Gmbh, 4050 Moenchengladbach, De | |
| EP0448745B1 (de) * | 1990-03-26 | 1995-05-24 | Siemens Aktiengesellschaft | Verfahren und Schaltungsanordnung zur Überwachung einer Batterie auf ihren Betriebszustand und ihre Bereitschaft |
| US5099211A (en) * | 1990-03-26 | 1992-03-24 | Nowak Dieter K | Battery voltage measurement system |
| DK25391D0 (da) * | 1991-02-14 | 1991-02-14 | Pan Europ Holding S A | Fremgangsmaade og apparat til opladning af et genopladeligt batteri |
| US5214385A (en) * | 1991-05-22 | 1993-05-25 | Commonwealth Edison Company | Apparatus and method for utilizing polarization voltage to determine charge state of a battery |
| DE4132229C2 (de) * | 1991-09-27 | 1994-02-24 | Mentzer Electronic Gmbh | Mikrocontroller-gesteuerte Einrichtung zur Analyse des Ladezustands einer mehrzeiligen Batterie |
| DE4231732C2 (de) * | 1991-09-27 | 1994-09-01 | Mentzer Electronic Gmbh | Verfahren zum Laden einer mehrzelligen Batterie |
| GB9219422D0 (en) * | 1992-09-14 | 1992-10-28 | Silent Power Gmbh | Apparatus for monitoring the voltage of a dc supply |
| US5592069A (en) * | 1992-10-07 | 1997-01-07 | Dallas Semiconductor Corporation | Battery charger |
| US5370668A (en) * | 1993-06-22 | 1994-12-06 | Medtronic, Inc. | Fault-tolerant elective replacement indication for implantable medical device |
| GB9518075D0 (en) * | 1995-09-05 | 1995-11-08 | Sun Electric Uk Ltd | Testing automative electronic control units and batteries and related equipment |
| US6990422B2 (en) * | 1996-03-27 | 2006-01-24 | World Energy Labs (2), Inc. | Method of analyzing the time-varying electrical response of a stimulated target substance |
| US20060190204A1 (en) * | 1996-03-27 | 2006-08-24 | Mchardy John | Analyzing the response of an electrochemical system to a time-varying electrical stimulation |
| US6411098B1 (en) * | 1996-03-27 | 2002-06-25 | William H. Laletin | Energy device analysis and evaluation |
| US20030206021A1 (en) * | 1997-07-25 | 2003-11-06 | Laletin William H. | Method and apparatus for measuring and analyzing electrical or electrochemical systems |
| FR2769095B1 (fr) * | 1997-10-01 | 1999-11-26 | Siemens Automotive Sa | Procede de detection de defaillance d'une batterie de vehicule automobile |
| US6037778A (en) * | 1997-11-05 | 2000-03-14 | Stat Engineering Company, L.L.C. | Electronic battery testing device and method for testing batteries |
| US6275006B1 (en) * | 1998-05-27 | 2001-08-14 | Matsushita Electric Industrial Co., Ltd. | Method for charging secondary battery |
| US6094051A (en) * | 1998-09-15 | 2000-07-25 | Alliedsignal Inc. | Apparatus and method for detecting memory effect in nickel cadmium batteries |
| JP4030217B2 (ja) * | 1999-03-12 | 2008-01-09 | トヨタ自動車株式会社 | 組電池の異常判定装置および異常判定方法 |
| US6124701A (en) * | 1999-06-22 | 2000-09-26 | Lucent Technologies, Inc. | System and method for determining battery condition and telecommunications equipment incorporating the same |
| US6275042B1 (en) * | 1999-10-01 | 2001-08-14 | Wei-Jen Tsai | Equipment for testing battery of electric device |
| JP4009416B2 (ja) | 1999-10-25 | 2007-11-14 | 松下電器産業株式会社 | 組電池制御装置 |
| JP4671462B2 (ja) | 2000-02-22 | 2011-04-20 | パナソニック株式会社 | ニッケル水素二次電池の気密検査方法 |
| US6346817B1 (en) * | 2000-04-27 | 2002-02-12 | Multitel Inc. | Float current measuring probe and method |
| FR2813124B1 (fr) * | 2000-08-17 | 2003-01-17 | Oldham France Sa | Procede de test d'une batterie au plomb en vue de sa charge dans des conditions optimales |
| US20020075003A1 (en) * | 2000-11-15 | 2002-06-20 | Enrev Power Solutions, Inc. | Adaptive battery charging based on battery condition |
| US6384608B1 (en) | 2001-03-13 | 2002-05-07 | Actron Manufacturing Co. | Battery tester using internal resistance to measure a condition of a battery |
| US6388448B1 (en) | 2001-03-13 | 2002-05-14 | Actron Manufacturing Co. | Electronic battery tester with normal/cold test modes and terminal connection detection |
| US6556020B1 (en) | 2002-04-02 | 2003-04-29 | The Raymond Corporation | Battery state of charge indicator |
| US6885307B2 (en) * | 2002-06-19 | 2005-04-26 | Tarma, Llc | Battery monitor |
| US7472820B2 (en) * | 2002-09-06 | 2009-01-06 | Spx Corporation | Code reading apparatus and method |
| US6911825B2 (en) * | 2002-09-18 | 2005-06-28 | Spx Corporation | Battery tester with CCA lookup table |
| WO2004053510A1 (ja) * | 2002-12-11 | 2004-06-24 | Japan Storage Battery Co., Ltd. | バッテリ充電状態演算装置及びバッテリ充電状態演算方法 |
| CA2467263A1 (en) * | 2003-05-14 | 2004-11-14 | Hydrogenics Corporation | Method, system and apparatus for testing electrochemical cells |
| US7253680B2 (en) * | 2003-05-21 | 2007-08-07 | World Energy Labs (2), Inc. | Amplifier system with current-mode servo feedback |
| US6931332B2 (en) * | 2003-10-01 | 2005-08-16 | General Electric Company | Method and system for testing battery connectivity |
| DE102004007904B4 (de) * | 2004-02-18 | 2008-07-03 | Vb Autobatterie Gmbh & Co. Kgaa | Verfahren zur Bestimmung mindestens einer Kenngröße für den Zustand einer elektrochemischen Speicherbatterie und Überwachungseinrichtung |
| US7248022B2 (en) * | 2004-06-04 | 2007-07-24 | Honeywell International, Inc. | Method and apparatus for determining the available energy of a lithium ion battery |
| US7429436B2 (en) * | 2005-01-31 | 2008-09-30 | Honeywell International Inc. | Method for determining state of charge of lead-acid batteries of various specific gravities |
| US7345453B2 (en) * | 2005-03-01 | 2008-03-18 | Honeywell International, Inc. | Capacity degredation in a lead acid battery method and apparatus |
| US20070080665A1 (en) * | 2005-07-29 | 2007-04-12 | Paul Christopher R | System and method for monitoring power supplied to a battery |
| US8660808B2 (en) * | 2008-12-02 | 2014-02-25 | Broadcom Corporation | Method for accurate battery run time estimation utilizing load-condition voltage |
| ES2395695T3 (es) * | 2009-03-18 | 2013-02-14 | Vito Nv | Sistema de células de potencia con medios para detectar una discontinuidad |
| US11218003B2 (en) * | 2009-09-22 | 2022-01-04 | Phoenix Broadband Technologies, Llc | Method and apparatus for intelligent battery charge equalization and monitoring |
| KR20110075137A (ko) * | 2009-12-28 | 2011-07-06 | 삼성에스디아이 주식회사 | 배터리팩의 충전장치 및 그의 충전방법 |
| US9287729B2 (en) * | 2010-04-26 | 2016-03-15 | Nec Corporation | Secondary battery state management system, battery charger, secondary battery state management method, and electrical characteristics measurement method |
| US20110316545A1 (en) * | 2010-06-29 | 2011-12-29 | Rylan Ian Grant | Electronic Detection of Signatures |
| ES2398884B1 (es) * | 2010-12-22 | 2014-02-18 | Eads Construcciones Aeronáuticas, S.A. | PROCEDIMIENTOS DE CONTROL ACTIVO PARA LA CONEXIÓN DE CARGAS ALTAMENTE CAPACITIVAS MEDIANTE SSPCs. |
| EP2720343B1 (de) * | 2011-06-10 | 2017-03-01 | Hitachi Automotive Systems, Ltd. | Batteriesteuerungsvorrichtung und batteriesystem |
| US8880367B1 (en) * | 2011-11-10 | 2014-11-04 | Energy Pass Incorporation | Method for accurately performing power estimation on a battery of an electronic device, and associated apparatus |
| DE102012200414A1 (de) * | 2012-01-12 | 2013-07-18 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zu einer Bestimmung eines Ladezustands eines elektrischen Energiespeichers |
| JP6224005B2 (ja) * | 2012-01-19 | 2017-11-01 | ナイキ イノベイト シーブイ | 活動監視装置における電源管理 |
| DE102012018634A1 (de) * | 2012-09-23 | 2014-04-24 | Wolf Goetze | Verfahren zur Ermittlung der Kennlinie von Spannungsquellen |
| JP6252487B2 (ja) * | 2012-11-30 | 2017-12-27 | 株式会社Gsユアサ | 蓄電素子の性能低下検知装置、性能低下検知方法及び蓄電システム |
| US20150046105A1 (en) * | 2013-08-09 | 2015-02-12 | Qualcomm Incorporated | Voltage mode fuel gauge |
| US9160222B1 (en) | 2014-08-29 | 2015-10-13 | K-Technology Usa, Inc. | Apparatus with power generators driven by electric motors |
| US20160099593A1 (en) * | 2014-10-03 | 2016-04-07 | Infineon Technologies Austria Ag | Battery charge state evaluation coincident with constant current charging |
| US20190033383A1 (en) | 2017-07-28 | 2019-01-31 | Northstar Battery Company, Llc | Systems and methods for determining a reserve time of a monobloc |
| US12265132B2 (en) | 2020-12-23 | 2025-04-01 | Medtronic, Inc. | Updating battery capacity after clinical implementation |
| US20220200302A1 (en) * | 2020-12-23 | 2022-06-23 | Medtronic, Inc. | Control logic to update battery capacity |
| KR102861015B1 (ko) | 2021-01-08 | 2025-09-17 | 주식회사 엘지에너지솔루션 | 배터리 관리 장치 및 방법 |
| EP4089427B1 (de) * | 2021-04-01 | 2024-05-08 | Contemporary Amperex Technology Co., Limited | Verfahren und vorrichtung zur detektion von ladungsanomalien sowie speichermedium |
| CN115728652B (zh) * | 2021-09-01 | 2025-08-01 | 北京绿星小绿人科技有限公司 | 一种标称电压的检测方法及检测装置 |
| CN113991779B (zh) * | 2021-10-27 | 2025-03-11 | 北京小米移动软件有限公司 | 充电方法、装置、电子设备和存储介质 |
Family Cites Families (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3680072A (en) * | 1971-01-26 | 1972-07-25 | Automatisme Cie Gle | Storage battery monitoring apparatus |
| FR2137038B1 (de) * | 1971-05-12 | 1974-03-22 | Comp Generale Electricite | |
| US3873911A (en) * | 1971-09-14 | 1975-03-25 | Keith S Champlin | Electronic battery testing device |
| JPS5439892B2 (de) * | 1973-04-16 | 1979-11-30 | ||
| GB1453860A (en) * | 1973-05-17 | 1976-10-27 | Macharg J A | Control systems for battery chargers |
| US3909708A (en) * | 1974-01-02 | 1975-09-30 | Keith S Champlin | Electronic battery testing device |
| FR2315776A1 (fr) * | 1975-06-24 | 1977-01-21 | Europ Accumulateurs | Procede et dispositif de controle d'une batterie d'accumulateurs |
| US3997834A (en) * | 1975-10-20 | 1976-12-14 | The United States Of America As Represented By The Secretary Of The Army | State-of-charge indicator for zinc-mercuric oxide primary cells |
| CH607344A5 (de) * | 1977-01-21 | 1978-12-15 | Etic Electronic Time Co | |
| US4163194A (en) * | 1977-07-22 | 1979-07-31 | California Institute Of Technology | Voltage-current-power meter for photovoltaic solar arrays |
| FR2401530A1 (fr) * | 1977-08-24 | 1979-03-23 | Chloride Group Ltd | Chargeur automatique de batteries electriques |
| GB2008776A (en) * | 1977-09-20 | 1979-06-06 | Chloride Group Ltd | Vehicle Electric Battery Testing Equipment |
| DE2801027C3 (de) * | 1978-01-11 | 1982-03-18 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zur Überprüfung von Akkumulatoren |
| JPS54134341A (en) * | 1978-04-10 | 1979-10-18 | Nippon Denso Co | Power supply system monitoring method and apparatus for vehicles |
| ZA782491B (en) * | 1978-05-01 | 1979-12-27 | Anglo Amer Corp South Africa | Battery testing |
| US4392101A (en) * | 1978-05-31 | 1983-07-05 | Black & Decker Inc. | Method of charging batteries and apparatus therefor |
| US4258306A (en) * | 1978-09-19 | 1981-03-24 | Gould Inc. | State of battery charge indicator circuit |
| US4259639A (en) * | 1978-11-03 | 1981-03-31 | Vitatron Medical B.V. | Circuit and method for detecting battery source end of life |
| FR2443686A1 (fr) * | 1978-12-07 | 1980-07-04 | Accumulateurs Fixes | Procede et dispositif de suivi de l'etat de charge d'un accumulateur |
| US4255698A (en) * | 1979-01-26 | 1981-03-10 | Raychem Corporation | Protection of batteries |
| US4260943A (en) * | 1979-01-30 | 1981-04-07 | Unitron Corporation | High frequency battery charger |
| GB2046923B (en) * | 1979-04-12 | 1983-01-26 | Electricity Council | Automatic checking of batteries or cells |
| GB2047488B (en) * | 1979-04-17 | 1983-04-20 | Ashworth & Co Ltd T | Battery charger fault detector |
| US4217645A (en) * | 1979-04-25 | 1980-08-12 | Barry George H | Battery monitoring system |
| US4295097A (en) * | 1979-05-07 | 1981-10-13 | Arthur H. Thompson | Battery capacity measuring method and apparatus |
| US4290002A (en) * | 1979-06-04 | 1981-09-15 | Gould Inc. | Method and apparatus for controlling battery recharging |
| DE2926716C2 (de) * | 1979-07-03 | 1982-02-04 | Robert Bosch Gmbh, 7000 Stuttgart | Prüfverfahren für Gleichstromquellen, wie Akkumulatoren, Batterien o.dgl., und Prüfgerät |
| JPS5628476A (en) * | 1979-08-14 | 1981-03-20 | Shin Kobe Electric Mach Co Ltd | Remained capacity meter for storage battery |
| US4313078A (en) * | 1979-12-05 | 1982-01-26 | Rca Corporation | Battery charging system |
| US4322685A (en) * | 1980-02-29 | 1982-03-30 | Globe-Union Inc. | Automatic battery analyzer including apparatus for determining presence of single bad cell |
| US4385269A (en) * | 1981-01-09 | 1983-05-24 | Redifon Telecommunications Limited | Battery charger |
| US4357990A (en) * | 1981-06-08 | 1982-11-09 | Ex-Cell-O Corporation | Crimped tube joint-shoulder ribs |
-
1981
- 1981-06-05 US US06/270,823 patent/US4433294A/en not_active Expired - Lifetime
-
1982
- 1982-04-22 CA CA000401466A patent/CA1184599A/en not_active Expired
- 1982-05-27 DE DE198282302752T patent/DE67589T1/de active Pending
- 1982-05-27 DE DE8282302752T patent/DE3270221D1/de not_active Expired
- 1982-05-27 EP EP82302752A patent/EP0067589B1/de not_active Expired
- 1982-05-27 AT AT82302752T patent/ATE18948T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0067589A1 (de) | 1982-12-22 |
| CA1184599A (en) | 1985-03-26 |
| DE67589T1 (de) | 1983-11-24 |
| EP0067589B1 (de) | 1986-04-02 |
| US4433294A (en) | 1984-02-21 |
| DE3270221D1 (en) | 1986-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE18948T1 (de) | Verfahren und vorrichtung zum testen einer batterie. | |
| ATE15737T1 (de) | Verfahren und vorrichtung zum aufladen einer batterie. | |
| ES433497A1 (es) | Dispositivo electronico para obtener una determinacion cu- alitativa de la capacidad de una fuente electrica decoriien-te continua para suministrar energia a una carga. | |
| ATE68268T1 (de) | Vorrichtung und verfahren zur messung des batteriezustandes. | |
| NL7608046A (nl) | Werkwijze en inrichting voor het controleren van een accumulatorbatterij. | |
| DE59703150D1 (de) | Verfahren und Vorrichtung zum Überwachen einer ausgewählten Gruppe von Brennstoffzellen eines Hochtemperatur-Brennstoff-zellenstapels | |
| ATE303601T1 (de) | Gerät und verfahren zur erfassung von kennzeichnenden parametern von ladungsspeichern | |
| GB1494458A (en) | Method and device for checking a storage battery | |
| ES8606667A1 (es) | Procedimiento y dispositivo para la verificacion de fuente de corriente continua | |
| ATE120554T1 (de) | Verfahren und apparatur zur untersuchung des zustandes eines isolationssystems. | |
| DE69027852D1 (de) | Vorrichtung und verfahren zum aufladen einer batterie | |
| ATE16423T1 (de) | Verfahren und schaltung zur messung des ladezustandes eines elektrochemischen stromerzeugers waehrend des betriebs. | |
| KR920010399A (ko) | 전원 제어 방법 및 장치 | |
| FR2296945A1 (fr) | Appareil et procede de mesure de l'etat de la charge d'une batterie d'accumulateurs par le controle des reductions de tension | |
| US2904748A (en) | Apparatus for testing storage batteries | |
| ES481041A1 (es) | Un metodo de cargar rapida y eficazmente una bateria, y apa-rato para realizarlo. | |
| Corrigan | Pulse power tests on nickel oxide electrodes for nickel—zinc electric vehicle batteries | |
| GB2008776A (en) | Vehicle Electric Battery Testing Equipment | |
| JPH04363679A (ja) | 鉛蓄電池の残存容量測定法 | |
| SU1226234A1 (ru) | Способ контрол температурной зависимости теплопроводности проволочных резисторов и устройство дл его осуществлени | |
| JPS5610265A (en) | Method for measuring voltage-current characteristic of semiconductor element | |
| FR2303389A1 (fr) | Dispositif pour indiquer l'etat de charge d'une batterie d'accumulateurs electrique | |
| SU773798A1 (ru) | Способ определени времени хранени химического источника тока | |
| ATE1037T1 (de) | Verfahren und vorrichtung zur pruefung geladener und trocken lagerfaehiger bleiakkumulatoren. | |
| JPS5640768A (en) | Characteristic evaluation method for avalanche type diode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |