EP0348679A3 - Einstellbarer Widerstand, insbesondere für Handschalter von Elektrowerkzeugen - Google Patents
Einstellbarer Widerstand, insbesondere für Handschalter von Elektrowerkzeugen Download PDFInfo
- Publication number
- EP0348679A3 EP0348679A3 EP19890109900 EP89109900A EP0348679A3 EP 0348679 A3 EP0348679 A3 EP 0348679A3 EP 19890109900 EP19890109900 EP 19890109900 EP 89109900 A EP89109900 A EP 89109900A EP 0348679 A3 EP0348679 A3 EP 0348679A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- adjustable resistor
- track arrangement
- counter
- contact
- manual switches
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/30—Adjustable resistors the contact sliding along resistive element
- H01C10/305—Adjustable resistors the contact sliding along resistive element consisting of a thick film
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/14—Adjustable resistors adjustable by auxiliary driving means
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Adjustable Resistors (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3821562A DE3821562C1 (de) | 1988-06-25 | 1988-06-25 | |
DE3821562 | 1988-06-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0348679A2 EP0348679A2 (de) | 1990-01-03 |
EP0348679A3 true EP0348679A3 (de) | 1991-10-16 |
Family
ID=6357296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19890109900 Withdrawn EP0348679A3 (de) | 1988-06-25 | 1989-06-01 | Einstellbarer Widerstand, insbesondere für Handschalter von Elektrowerkzeugen |
Country Status (4)
Country | Link |
---|---|
US (1) | US4978939A (de) |
EP (1) | EP0348679A3 (de) |
JP (1) | JPH0251202A (de) |
DE (1) | DE3821562C1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5334967A (en) * | 1993-06-29 | 1994-08-02 | Illinois Tool Works Inc. | Voltage divider |
US5488349A (en) * | 1993-12-02 | 1996-01-30 | Erickson; Bruce L. | Multiple range variable resistor |
DE4410312C2 (de) * | 1994-03-25 | 2000-01-13 | Bosch Gmbh Robert | Elektrische Handwerkzeugmaschine mit Potentiometer und Verfahren zum Einstellen des Potentiometers |
GB2314980B (en) * | 1996-07-02 | 2000-06-28 | Defond Mfg Ltd | Power tool speed controller |
FR2829522B1 (fr) * | 2001-09-07 | 2003-11-21 | Siemens Automotive Sa | Systeme de commande de leve vitre |
US6774509B2 (en) * | 2002-01-30 | 2004-08-10 | Defond Manufacturing Limited | Electrical switch assembly |
CN105185494B (zh) * | 2014-06-19 | 2018-03-06 | 国网山西省电力公司电力科学研究院 | 一种组合式微机变阻器的电阻调节方法 |
JP6854302B2 (ja) * | 2018-01-10 | 2021-04-07 | ディーフォン エレクテック カンパニー リミテッドDefond Electech Co., Ltd | 電気的デバイスの可変速コントローラと共に使用する電気的スイッチモジュール |
CN209390034U (zh) * | 2019-01-23 | 2019-09-13 | 惠州拓邦电气技术有限公司 | 一种电子开关模块及电动工具 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3663755A (en) * | 1970-04-23 | 1972-05-16 | Motorola Inc | Variable resistance control device |
US4097704A (en) * | 1976-08-02 | 1978-06-27 | Cutler-Hammer, Inc. | Industrial reversing speed control trigger switch with snap-in modules |
EP0047849A2 (de) * | 1980-09-12 | 1982-03-24 | Carrier Corporation | Variable Widerstandseinrichtung und Verfahren zu deren Herstellung |
EP0259763A2 (de) * | 1986-09-12 | 1988-03-16 | Preh-Werke GmbH & Co. KG | Verfahren zur Herstellung nichtlinearer Widerstandsbahnen und nach diesem Verfahren hergestelltes Drehpotentiometer |
DE8802883U1 (de) * | 1988-03-04 | 1988-04-21 | Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt | Drehpotentiometer |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1938396A (en) * | 1929-12-16 | 1933-12-05 | Allen Bradley Co | Electrical resistor |
DE652202C (de) * | 1934-07-01 | 1937-10-27 | Siemens & Halske Akt Ges | Potentiometer mit auf einer isolierenden Unterlage aufgetragener Widerstandsschicht |
US3156888A (en) * | 1963-03-01 | 1964-11-10 | Weston Instruments Inc | Adjustable potentiometer |
US3535670A (en) * | 1968-05-02 | 1970-10-20 | Spectrol Electronics Corp | Contact member for a variable resistor |
US3599141A (en) * | 1969-07-07 | 1971-08-10 | Spectrol Electronics Corp | Variable resistor having means for sealing between a lead screw and the housing |
US3648217A (en) * | 1970-05-06 | 1972-03-07 | Spectrol Electronics Corp | Potentiometer equipped with positive positioning means |
-
1988
- 1988-06-25 DE DE3821562A patent/DE3821562C1/de not_active Expired - Lifetime
-
1989
- 1989-04-28 US US07/344,977 patent/US4978939A/en not_active Expired - Fee Related
- 1989-06-01 EP EP19890109900 patent/EP0348679A3/de not_active Withdrawn
- 1989-06-26 JP JP1161004A patent/JPH0251202A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3663755A (en) * | 1970-04-23 | 1972-05-16 | Motorola Inc | Variable resistance control device |
US4097704A (en) * | 1976-08-02 | 1978-06-27 | Cutler-Hammer, Inc. | Industrial reversing speed control trigger switch with snap-in modules |
EP0047849A2 (de) * | 1980-09-12 | 1982-03-24 | Carrier Corporation | Variable Widerstandseinrichtung und Verfahren zu deren Herstellung |
EP0259763A2 (de) * | 1986-09-12 | 1988-03-16 | Preh-Werke GmbH & Co. KG | Verfahren zur Herstellung nichtlinearer Widerstandsbahnen und nach diesem Verfahren hergestelltes Drehpotentiometer |
DE8802883U1 (de) * | 1988-03-04 | 1988-04-21 | Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt | Drehpotentiometer |
Also Published As
Publication number | Publication date |
---|---|
US4978939A (en) | 1990-12-18 |
EP0348679A2 (de) | 1990-01-03 |
DE3821562C1 (de) | 1990-02-08 |
JPH0251202A (ja) | 1990-02-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): CH FR GB IT LI NL |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): CH FR GB IT LI NL |
|
17P | Request for examination filed |
Effective date: 19911126 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: TEMIC TELEFUNKEN MICROELECTRONIC GMBH |
|
17Q | First examination report despatched |
Effective date: 19930730 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19940906 |