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
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
Priority to US38851073A priority Critical
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

    • 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
    • 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
    • H03K2017/9706Inductive element
CA196,017A 1973-08-15 1974-03-26 Magnetic key switch having a removable support assembly Expired CA999374A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US38851073A true 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 (en)
AU (1) AU474631B2 (en)
BR (1) BR7404154D0 (en)
CA (1) CA999374A (en)
CH (1) CH586460A5 (en)
DE (1) DE2419410C3 (en)
FR (1) FR2241169B1 (en)
GB (1) GB1445971A (en)
IT (1) IT1019951B (en)
NL (1) NL163082C (en)
SE (1) SE394913B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5856595Y2 (en) * 1978-06-30 1983-12-27
US4227163A (en) * 1979-03-05 1980-10-07 Illinois Tool Works Inc. Electrical keyswitch
DE3127053C2 (en) * 1981-07-09 1983-07-21 Vacuumschmelze Gmbh, 6450 Hanau, De
AT15843T (en) * 1982-04-15 1985-10-15 Int Standard Electric Corp Keyboard.
JPS61112082U (en) * 1984-12-25 1986-07-15

Also Published As

Publication number Publication date
DE2419410B2 (en) 1977-12-29
IT1019951B (en) 1977-11-30
NL163082B (en) 1980-02-15
SE7404028L (en) 1975-02-17
DE2419410C3 (en) 1978-08-24
FR2241169A1 (en) 1975-03-14
NL7405669A (en) 1975-02-18
FR2241169B1 (en) 1982-10-22
JPS5040234A (en) 1975-04-12
AU6934174A (en) 1975-11-27
SE394913B (en) 1977-07-18
NL163082C (en) 1980-07-15
CA999374A1 (en)
BR7404154D0 (en) 1975-05-20
AU474631B2 (en) 1976-07-29
CH586460A5 (en) 1977-03-31
GB1445971A (en) 1976-08-11
DE2419410A1 (en) 1975-02-27
JPS5816284B2 (en) 1983-03-30

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