DE3008088A1 - Elektrischer tastenschalter - Google Patents

Elektrischer tastenschalter

Info

Publication number
DE3008088A1
DE3008088A1 DE19803008088 DE3008088A DE3008088A1 DE 3008088 A1 DE3008088 A1 DE 3008088A1 DE 19803008088 DE19803008088 DE 19803008088 DE 3008088 A DE3008088 A DE 3008088A DE 3008088 A1 DE3008088 A1 DE 3008088A1
Authority
DE
Germany
Prior art keywords
magnetic core
piston
base
key switch
legs
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.)
Granted
Application number
DE19803008088
Other languages
German (de)
English (en)
Other versions
DE3008088C2 (https=
Inventor
Raymond Barnoski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Illinois Tool Works Inc
Original Assignee
Illinois Tool Works Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Publication of DE3008088A1 publication Critical patent/DE3008088A1/de
Application granted granted Critical
Publication of DE3008088C2 publication Critical patent/DE3008088C2/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/97—Switches controlled by moving an element forming part of the switch using a magnetic movable element

Landscapes

  • Push-Button Switches (AREA)
  • Electronic Switches (AREA)
DE19803008088 1979-03-05 1980-03-03 Elektrischer tastenschalter Granted DE3008088A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/017,875 US4227163A (en) 1979-03-05 1979-03-05 Electrical keyswitch

Publications (2)

Publication Number Publication Date
DE3008088A1 true DE3008088A1 (de) 1980-09-18
DE3008088C2 DE3008088C2 (https=) 1989-06-08

Family

ID=21785023

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803008088 Granted DE3008088A1 (de) 1979-03-05 1980-03-03 Elektrischer tastenschalter

Country Status (11)

Country Link
US (1) US4227163A (https=)
JP (1) JPS55130019A (https=)
AR (1) AR220820A1 (https=)
AU (1) AU537913B2 (https=)
BR (1) BR8001279A (https=)
CA (1) CA1126834A (https=)
DE (1) DE3008088A1 (https=)
FR (1) FR2451132A1 (https=)
GB (1) GB2047035B (https=)
IT (1) IT1130267B (https=)
MX (1) MX147397A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8906891U1 (de) * 1989-06-05 1990-07-19 Cherry-Mikroschalter Gmbh, 8572 Auerbach Tastenelement mit Dämpfungsfedern

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7906931A (nl) * 1979-09-18 1981-03-20 Philips Nv Druktoetsschakelaar.
JPS6136020Y2 (https=) * 1980-06-09 1986-10-20
EP0092518B1 (de) * 1982-04-15 1987-10-07 Alcatel STR AG Tastenelement
US4450332A (en) * 1982-08-25 1984-05-22 General Instrument Corporation Keyswitch design
US4988965A (en) * 1990-03-26 1991-01-29 The Chamberlain Group, Inc. Reed switch holder assembly
US5406277A (en) * 1993-04-12 1995-04-11 Lee; Tony Structure of the keypad for keyboard
US7011341B2 (en) * 2003-06-27 2006-03-14 Trw Vehicle Safety Systems Inc. Four-point vehicle occupant restraint system with linked lap belt retractors
EP1766314B1 (en) 2004-06-02 2018-07-25 Golden Triangle Enterprises Pty Ltd. Gas recovery of sulphur hexafluoride
US20110142522A1 (en) * 2009-12-11 2011-06-16 Bert Yeh Typing to generate electricity
US20160060090A1 (en) * 2014-08-29 2016-03-03 Automatic Bar Controls, Inc. Beverage dispensing apparatus with sensor assembly for sensing dispensing of beverage
CN110098078B (zh) * 2018-11-20 2024-05-03 东莞璟阳电子科技有限公司 一种可变力按键
CN222883426U (zh) * 2024-06-28 2025-05-16 惠州市环诺电子科技有限公司 中心触底式磁轴按键

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099176A (en) * 1974-05-30 1978-07-04 Illinois Tool Works Inc. Magnetic key switch having a removable support assembly

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3638221A (en) * 1969-11-24 1972-01-25 Illinois Tool Works Solid-state keyboard
CA999374A (en) * 1973-08-15 1976-11-02 Illinois Tool Works Inc. Magnetic key switch having a removable support assembly
US3902032A (en) * 1974-06-07 1975-08-26 Illinois Tool Works Electrical switch with improved contact structure
US3978474A (en) * 1975-07-15 1976-08-31 Illinois Tool Works Inc. Keyboard with n-key lockout and two-key rollover protection
US4028696A (en) * 1976-01-26 1977-06-07 Illinois Tool Works Inc. Double depression magnetic keyswitch
US4017850A (en) * 1976-02-02 1977-04-12 Illinois Tool Works Inc. Magnetic keyswitch with two-piece support assembly

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099176A (en) * 1974-05-30 1978-07-04 Illinois Tool Works Inc. Magnetic key switch having a removable support assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8906891U1 (de) * 1989-06-05 1990-07-19 Cherry-Mikroschalter Gmbh, 8572 Auerbach Tastenelement mit Dämpfungsfedern

Also Published As

Publication number Publication date
AU5608880A (en) 1980-09-11
AR220820A1 (es) 1980-11-28
CA1126834A (en) 1982-06-29
GB2047035A (en) 1980-11-19
AU537913B2 (en) 1984-07-19
FR2451132A1 (fr) 1980-10-03
JPS55130019A (en) 1980-10-08
IT8020332A0 (it) 1980-03-04
BR8001279A (pt) 1981-09-15
MX147397A (es) 1982-11-29
GB2047035B (en) 1983-02-02
FR2451132B1 (https=) 1984-06-29
US4227163A (en) 1980-10-07
DE3008088C2 (https=) 1989-06-08
IT1130267B (it) 1986-06-11

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Legal Events

Date Code Title Description
8128 New person/name/address of the agent

Representative=s name: HAUCK, H., DIPL.-ING. DIPL.-WIRTSCH.-ING., 8000 MU

8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee