JPH05256966A - バッテリーで動作する装置の制御装置 - Google Patents
バッテリーで動作する装置の制御装置Info
- Publication number
- JPH05256966A JPH05256966A JP3322079A JP32207991A JPH05256966A JP H05256966 A JPH05256966 A JP H05256966A JP 3322079 A JP3322079 A JP 3322079A JP 32207991 A JP32207991 A JP 32207991A JP H05256966 A JPH05256966 A JP H05256966A
- Authority
- JP
- Japan
- Prior art keywords
- housing
- contact
- switch
- trigger
- control device
- 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.)
- Pending
Links
- 239000004065 semiconductor Substances 0.000 claims abstract description 23
- 230000001276 controlling effect Effects 0.000 claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims abstract 5
- 239000000758 substrate Substances 0.000 claims description 42
- 239000000919 ceramic Substances 0.000 claims description 34
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 230000000295 complement effect Effects 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000004020 conductor Substances 0.000 claims 1
- 230000002596 correlated effect Effects 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000007246 mechanism Effects 0.000 abstract description 8
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 230000033228 biological regulation Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013021 overheating Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 241001272720 Medialuna californiensis Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000011224 oxide ceramic Substances 0.000 description 1
- 229910052574 oxide ceramic Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- 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
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
- H01H9/061—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner enclosing a continuously variable impedance
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/209—Heat transfer by conduction from internal heat source to heat radiating structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
- H01H11/0031—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for allowing different types or orientation of connections to contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
- H01H2009/065—Battery operated hand tools in which the battery and the switch are directly connected
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
- H01H2300/002—Application electric motor braking, e.g. pole reversal of rotor, shorting motor coils, also for field discharge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
- H01H9/063—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner enclosing a reversing switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Push-Button Switches (AREA)
- Control Of Direct Current Motors (AREA)
- Details Of Measuring And Other Instruments (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE40387860 | 1990-12-05 | ||
| DE4038786A DE4038786A1 (de) | 1990-12-05 | 1990-12-05 | Vorrichtung zur steuerung oder regelung von durch akkus versorgter geraete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05256966A true JPH05256966A (ja) | 1993-10-08 |
Family
ID=6419652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3322079A Pending JPH05256966A (ja) | 1990-12-05 | 1991-12-05 | バッテリーで動作する装置の制御装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5200657A (enExample) |
| EP (1) | EP0489343A2 (enExample) |
| JP (1) | JPH05256966A (enExample) |
| KR (1) | KR920013861A (enExample) |
| DE (1) | DE4038786A1 (enExample) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4232402C5 (de) * | 1992-09-26 | 2005-10-27 | Marquardt Gmbh | Bremsschaltung für einen Elektromotor |
| DE4410312C2 (de) * | 1994-03-25 | 2000-01-13 | Bosch Gmbh Robert | Elektrische Handwerkzeugmaschine mit Potentiometer und Verfahren zum Einstellen des Potentiometers |
| DE4438045C2 (de) * | 1994-10-25 | 1996-11-07 | Atlas Copco Elektrowerkzeuge | Schalteinrichtung einer handgeführten Elektrowerkzeugmaschine |
| NL194973C (nl) * | 1995-03-06 | 2003-03-21 | Capax B V | Regelschakelaar. |
| DE19508925A1 (de) * | 1995-03-13 | 1996-09-19 | Marquardt Gmbh | Elektrischer Schalter, insbesondere für Elektrohandwerkzeuge |
| DE19635102B4 (de) * | 1996-08-30 | 2006-01-19 | Marquardt Gmbh | Elektrischer Schalter |
| US5835351A (en) * | 1997-05-30 | 1998-11-10 | Lucerne Products, Inc. | Modular D.C. tool switch assembly |
| DE19831458B4 (de) * | 1997-07-24 | 2009-04-02 | Marquardt Gmbh | Elektrischer Schalter, insbesondere für ein Akku-Elektrowerkzeug |
| DE29807869U1 (de) | 1998-05-03 | 1998-11-19 | Woitschöll, Hans Dieter, Dipl.-Betriebsw., 49779 Niederlangen | Flutlichtstrahler auf Akku-Basis mit Ladegerät, Leuchtdioden und Neon-Kaltlichtlampe, 16 - 55 Watt, Leuchtkopf abnehmbar für Stativ |
| US5892885A (en) * | 1998-05-12 | 1999-04-06 | Eaton Corporation | Variable speed control switch for direct current electric power tools |
| US6049460A (en) * | 1999-07-19 | 2000-04-11 | Eaton Corporation | Trigger actuated control having supplemental heat sink |
| US6552904B2 (en) | 2001-08-13 | 2003-04-22 | Black & Decker Inc. | Power tool with heat sink assembly |
| US7949668B2 (en) * | 2001-08-20 | 2011-05-24 | Pardalis, Inc. | Common point authoring system for the complex sharing of hierarchically authored data objects in a distribution chain |
| DE10259569A1 (de) * | 2002-12-19 | 2004-07-01 | Hilti Ag | Elektrohandwerkzeugmaschine mit kontaktlosem elektrischen Handschalter |
| DE102005010129A1 (de) * | 2004-03-05 | 2005-09-15 | Marquardt Gmbh | Elektrische Schaltungsanordnung für ein Elektrowerkzeug |
| DE102005001748B4 (de) * | 2005-01-14 | 2019-01-24 | Marquardt Gmbh | Elektrischer Schalter und Elektrohandwerkzeug mit einem solchen Schalter |
| DE602006014036D1 (de) * | 2005-02-09 | 2010-06-17 | Satori S Tech Co Ltd | Triggerschalter |
| DE102005013762C5 (de) * | 2005-03-22 | 2012-12-20 | Sew-Eurodrive Gmbh & Co. Kg | Elektronisches Gerät und Verfahren zur Bestimmung der Temperatur eines Leistungshalbleiters |
| NL1028778C2 (nl) * | 2005-04-15 | 2006-10-17 | Electrische App Nfabriek Capax | Regelschakeling met verminderde belasting voor een overbruggingsschakelaar. |
| DE102006061130B4 (de) * | 2006-01-09 | 2020-03-19 | Marquardt Gmbh | Elektrischer Schalter und Elektrowerkzeug mit einem solchen Schalter |
| EP1971991B1 (de) * | 2006-01-09 | 2013-08-28 | Marquardt GmbH | Elektrischer schalter |
| JP5066874B2 (ja) * | 2006-09-19 | 2012-11-07 | オムロン株式会社 | トリガスイッチ |
| DE102007014120A1 (de) * | 2007-03-23 | 2008-09-25 | Ferm Bv | Stromversorgungspack |
| DE102008000704A1 (de) | 2007-04-24 | 2008-10-30 | Robert Bosch Gmbh | Elektrowerkzeug und Geräteschalter für ein Elektrowerkzeug |
| DE102007027898A1 (de) | 2007-06-18 | 2008-12-24 | Robert Bosch Gmbh | Elektrowerkzeug mit Kaltstartfunktion |
| DE102008030813A1 (de) * | 2007-07-04 | 2009-01-08 | Marquardt Gmbh | Ansteuereinrichtung für einen Elektromotor |
| JP5256904B2 (ja) * | 2008-07-24 | 2013-08-07 | オムロン株式会社 | トリガスイッチ |
| BR112013015084A2 (pt) * | 2010-12-15 | 2016-08-09 | Illinois Tool Works | sistema de depósito de calor/conector para diodo de emissão de luz |
| US9912020B2 (en) | 2013-03-12 | 2018-03-06 | Milwaukee Electric Tool Corporation | Battery pack with heat sink |
| ES2845604T3 (es) | 2014-02-18 | 2021-07-27 | Defond Components Ltd | Conjunto de conmutadores eléctricos |
| US20150280515A1 (en) | 2014-03-28 | 2015-10-01 | Black & Decker Inc. | Integrated Electronic Switch and Control Module for a Power Tool |
| DE102016003150A1 (de) * | 2016-03-16 | 2017-09-21 | Andreas Stihl Ag & Co. Kg | Handgeführtes Arbeitsgerät mit einem Elektromotor |
| US10541588B2 (en) | 2017-05-24 | 2020-01-21 | Black & Decker Inc. | Electronic power module for a power tool having an integrated heat sink |
Family Cites Families (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3721879A (en) * | 1965-07-02 | 1973-03-20 | Arrow Hart Inc | Power control for portable electric tool |
| DE1763455B1 (de) * | 1968-05-31 | 1972-03-09 | Metabowerke Kg | Vorrichtung zur einstellung des sollwertes an einem elektroni schen drehzahlregler eines ein elektrowerkzeug antreibenden elektromotors |
| US3585476A (en) * | 1968-07-19 | 1971-06-15 | Cutler Hammer Inc | Trigger switch speed control with electrical feedback |
| US3590194A (en) * | 1969-09-19 | 1971-06-29 | Skil Corp | Contact- and circuit-mounting board for trigger-operated switch unit |
| DE2629723C3 (de) * | 1976-07-02 | 1980-07-03 | Scintilla Ag, Solothurn (Schweiz) | Handbetätigbare Einbauschaltvorrichtung für elektrische Maschinen |
| US4097705A (en) * | 1977-08-05 | 1978-06-27 | The Singer Company | Quick lock-release mechanism for a trigger switch |
| US4205434A (en) * | 1977-11-08 | 1980-06-03 | Eaton Corporation | Trigger speed control switch subassembly and method of making |
| US4241297A (en) * | 1978-11-20 | 1980-12-23 | Eaton Corporation | Double-pole trigger speed control switch |
| EP0033353A1 (en) * | 1980-02-05 | 1981-08-12 | Black & Decker Inc. | Method of controlling the speed of a drill, hammer-drill, or rotary hammer and apparatus therefor |
| US4292571A (en) * | 1980-02-14 | 1981-09-29 | Black & Decker Inc. | Control device for controlling the rotational speed of a portable power tool |
| US4412158A (en) * | 1980-02-21 | 1983-10-25 | Black & Decker Inc. | Speed control circuit for an electric power tool |
| EP0048124A3 (en) * | 1980-09-12 | 1982-12-08 | Skil Nederland B.V. | Speed control switch device |
| US4348603A (en) * | 1981-01-29 | 1982-09-07 | Black & Decker Inc. | Printed-circuit board and trigger-switch arrangement for a portable electric tool |
| JPS59165941A (ja) * | 1983-03-11 | 1984-09-19 | Hitachi Ltd | インバ−タ駆動回転電機 |
| DE3338764A1 (de) * | 1983-10-26 | 1985-05-09 | Robert Bosch Gmbh, 7000 Stuttgart | Schaltungsanordnung zum ein- und ausschalten und ueberwachen elektrischer verbraucher |
| US4556803A (en) * | 1984-02-29 | 1985-12-03 | Electro-Matic Staplers, Inc. | Trigger switch circuit for solenoid-actuated electric hand tool |
| US4737661A (en) * | 1985-08-09 | 1988-04-12 | Black & Decker Inc. | Variable speed trigger switch |
| US4649245A (en) * | 1985-08-09 | 1987-03-10 | Black & Decker Inc. | Variable speed trigger switch |
| US4755706A (en) * | 1986-06-19 | 1988-07-05 | General Electric Company | Piezoelectric relays in sealed enclosures |
| DE3629976A1 (de) * | 1986-09-03 | 1988-04-07 | Hueco Gmbh Fabrik Fuer Interna | Spannungsregler fuer generatoren |
| US4739209A (en) * | 1986-10-06 | 1988-04-19 | Aircraft Parts Corp. | Starter-generator brush |
| US4719395A (en) * | 1986-12-22 | 1988-01-12 | Omron Tateisi Electronics Co. | Variable speed control switch for an electric tool including a DC motor |
| US4777393A (en) * | 1987-07-17 | 1988-10-11 | The Singer Company | Modular tool system switch and actuator assembly |
| US4903318A (en) * | 1987-11-13 | 1990-02-20 | Omron Tateisi Electronics Co. | Electric switch system for a power tool |
| DE3804679C2 (de) * | 1988-02-15 | 1993-12-02 | Bosch Gmbh Robert | Überlastschutz für Elektromotoren |
| JP2668919B2 (ja) * | 1988-03-11 | 1997-10-27 | 松下電器産業株式会社 | 送風電動機 |
| US4864083A (en) * | 1988-04-15 | 1989-09-05 | Lucerne Products, Inc. | Reversing switch |
| DE3815883A1 (de) * | 1988-05-10 | 1989-11-23 | Kautt & Bux Kg | Geraeteschalter |
| DE8814721U1 (de) * | 1988-11-25 | 1989-01-26 | Proxxon Werkzeug GmbH, 5561 Niersbach | Elektrisches Handwerksgerät |
| US5014793A (en) * | 1989-04-10 | 1991-05-14 | Measurement Specialties, Inc. | Variable speed DC motor controller apparatus particularly adapted for control of portable-power tools |
| US4937705A (en) * | 1989-05-08 | 1990-06-26 | Eaton Corporation | Variable power control apparatus having external heat sink mounting battery clips |
-
1990
- 1990-12-05 DE DE4038786A patent/DE4038786A1/de active Granted
-
1991
- 1991-11-22 US US07/797,441 patent/US5200657A/en not_active Expired - Fee Related
- 1991-11-26 EP EP91120215A patent/EP0489343A2/de not_active Withdrawn
- 1991-12-02 KR KR1019910021959A patent/KR920013861A/ko not_active Withdrawn
- 1991-12-05 JP JP3322079A patent/JPH05256966A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0489343A3 (enExample) | 1994-02-09 |
| KR920013861A (ko) | 1992-07-29 |
| DE4038786A1 (de) | 1992-06-11 |
| EP0489343A2 (de) | 1992-06-10 |
| US5200657A (en) | 1993-04-06 |
| DE4038786C2 (enExample) | 1993-06-17 |
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