FR2451132B1 - - Google Patents

Info

Publication number
FR2451132B1
FR2451132B1 FR8004824A FR8004824A FR2451132B1 FR 2451132 B1 FR2451132 B1 FR 2451132B1 FR 8004824 A FR8004824 A FR 8004824A FR 8004824 A FR8004824 A FR 8004824A FR 2451132 B1 FR2451132 B1 FR 2451132B1
Authority
FR
France
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.)
Expired
Application number
FR8004824A
Other versions
FR2451132A1 (fr
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
Priority to US06/017,875 priority Critical patent/US4227163A/en
Application filed by Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Publication of FR2451132A1 publication Critical patent/FR2451132A1/fr
Application granted granted Critical
Publication of FR2451132B1 publication Critical patent/FR2451132B1/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965Switches controlled by moving an element forming part of the switch
    • H03K17/97Switches controlled by moving an element forming part of the switch using a magnetic movable element
FR8004824A 1979-03-05 1980-03-04 Expired FR2451132B1 (fr)

Priority Applications (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
FR2451132A1 FR2451132A1 (fr) 1980-10-03
FR2451132B1 true FR2451132B1 (fr) 1984-06-29

Family

ID=21785023

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8004824A Expired FR2451132B1 (fr) 1979-03-05 1980-03-04

Country Status (11)

Country Link
US (1) US4227163A (fr)
JP (1) JPS55130019A (fr)
AR (1) AR220820A1 (fr)
AU (1) AU537913B2 (fr)
BR (1) BR8001279A (fr)
CA (1) CA1126834A (fr)
DE (1) DE3008088C2 (fr)
FR (1) FR2451132B1 (fr)
GB (1) GB2047035B (fr)
IT (1) IT1130267B (fr)
MX (1) MX147397A (fr)

Families Citing this family (11)

* 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 (fr) * 1980-06-09 1986-10-20
DE3373990D1 (en) * 1982-04-15 1987-11-12 Standard Telephon & Radio Ag Key element
US4450332A (en) * 1982-08-25 1984-05-22 General Instrument Corporation Keyswitch design
DE8906891U1 (fr) * 1989-06-05 1990-07-19 Cherry-Mikroschalter Gmbh, 8572 Auerbach, De
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
US8828350B2 (en) 2004-06-02 2014-09-09 Abb Technology Ltd. Gas recovery of sulphur hexafluoride
US20110142522A1 (en) * 2009-12-11 2011-06-16 Bert Yeh Typing to generate electricity
MX2017002672A (es) * 2014-08-29 2017-05-30 Automatic Bar Controls Inc Aparato dispensador de bebidas con conjunto sensor para detectar la dispensacion de bebidas.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3638222A (en) * 1969-11-24 1972-01-25 Illinois Tool Works Flux gate switch
CA999374A (en) * 1973-08-15 1976-11-02 Illinois Tool Works Inc. Magnetic key switch having a removable support assembly
US4099176A (en) * 1974-05-30 1978-07-04 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

Also Published As

Publication number Publication date
GB2047035B (en) 1983-02-02
DE3008088C2 (fr) 1989-06-08
AU537913B2 (en) 1984-07-19
FR2451132A1 (fr) 1980-10-03
AR220820A1 (es) 1980-11-28
CA1126834A1 (fr)
CA1126834A (fr) 1982-06-29
JPS55130019A (en) 1980-10-08
BR8001279A (pt) 1981-09-15
US4227163A (en) 1980-10-07
AU5608880A (en) 1980-09-11
GB2047035A (en) 1980-11-19
IT8020332D0 (it) 1980-03-04
IT1130267B (it) 1986-06-11
DE3008088A1 (de) 1980-09-18
MX147397A (es) 1982-11-29

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Legal Events

Date Code Title Description
ST Notification of lapse