CA999374A - Magnetic key switch having a removable support assembly - Google Patents

Magnetic key switch having a removable support assembly

Info

Publication number
CA999374A
CA999374A CA196,017A CA196017A CA999374A CA 999374 A CA999374 A CA 999374A CA 196017 A CA196017 A CA 196017A CA 999374 A CA999374 A CA 999374A
Authority
CA
Canada
Prior art keywords
support assembly
key switch
removable support
magnetic key
magnetic
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.)
Expired
Application number
CA196,017A
Other languages
English (en)
Other versions
CA196017S (en
Inventor
Carl G. Knoll
Robert C. Madland
Victor M. Bernin
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
Application granted granted Critical
Publication of CA999374A publication Critical patent/CA999374A/en
Expired 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
    • 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
    • H03K2017/9706—Inductive element
CA196,017A 1973-08-15 1974-03-26 Magnetic key switch having a removable support assembly Expired CA999374A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US38851073A 1973-08-15 1973-08-15

Publications (1)

Publication Number Publication Date
CA999374A true CA999374A (en) 1976-11-02

Family

ID=23534407

Family Applications (1)

Application Number Title Priority Date Filing Date
CA196,017A Expired CA999374A (en) 1973-08-15 1974-03-26 Magnetic key switch having a removable support assembly

Country Status (11)

Country Link
JP (1) JPS5816284B2 (de)
AU (1) AU474631B2 (de)
BR (1) BR7404154D0 (de)
CA (1) CA999374A (de)
CH (1) CH586460A5 (de)
DE (1) DE2419410C3 (de)
FR (1) FR2241169B1 (de)
GB (1) GB1445971A (de)
IT (1) IT1019951B (de)
NL (1) NL163082C (de)
SE (1) SE394913B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5856595Y2 (ja) * 1978-06-30 1983-12-27 康之 川名 蒲焼機
US4227163A (en) * 1979-03-05 1980-10-07 Illinois Tool Works Inc. Electrical keyswitch
DE3127053C2 (de) * 1981-07-09 1983-07-21 Vacuumschmelze Gmbh, 6450 Hanau Sensortaste zur kontaktlosen Erzeugung eines elektrischen Signals bei Tastendruck
ATE15843T1 (de) * 1982-04-15 1985-10-15 Int Standard Electric Corp Tastatur.
JPS61112082U (de) * 1984-12-25 1986-07-15
CN107978479B (zh) * 2017-12-30 2024-04-12 苏州富强科技有限公司 键盘选择性保压组件

Also Published As

Publication number Publication date
CH586460A5 (de) 1977-03-31
IT1019951B (it) 1977-11-30
FR2241169A1 (de) 1975-03-14
DE2419410A1 (de) 1975-02-27
SE7404028L (de) 1975-02-17
DE2419410B2 (de) 1977-12-29
DE2419410C3 (de) 1978-08-24
JPS5040234A (de) 1975-04-12
JPS5816284B2 (ja) 1983-03-30
AU474631B2 (en) 1976-07-29
AU6934174A (en) 1975-11-27
NL7405669A (nl) 1975-02-18
FR2241169B1 (de) 1982-10-22
SE394913B (sv) 1977-07-18
BR7404154D0 (pt) 1975-05-20
NL163082B (nl) 1980-02-15
GB1445971A (en) 1976-08-11
NL163082C (nl) 1980-07-15

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