IT1019951B - KEY MAGNETIC SWITCH EQUIPPED WITH A REMOVABLE SUPPORT COMPLEX, ESPECIALLY FOR KEYBOARDS - Google Patents

KEY MAGNETIC SWITCH EQUIPPED WITH A REMOVABLE SUPPORT COMPLEX, ESPECIALLY FOR KEYBOARDS

Info

Publication number
IT1019951B
IT1019951B IT2632074A IT2632074A IT1019951B IT 1019951 B IT1019951 B IT 1019951B IT 2632074 A IT2632074 A IT 2632074A IT 2632074 A IT2632074 A IT 2632074A IT 1019951 B IT1019951 B IT 1019951B
Authority
IT
Italy
Prior art keywords
keyboards
magnetic switch
removable support
support complex
switch equipped
Prior art date
Application number
IT2632074A
Other languages
Italian (it)
Original Assignee
Illinois Tool Works
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 filed Critical Illinois Tool Works
Application granted granted Critical
Publication of IT1019951B publication Critical patent/IT1019951B/en

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
IT2632074A 1973-08-15 1974-08-14 KEY MAGNETIC SWITCH EQUIPPED WITH A REMOVABLE SUPPORT COMPLEX, ESPECIALLY FOR KEYBOARDS IT1019951B (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
IT1019951B true IT1019951B (en) 1977-11-30

Family

ID=23534407

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2632074A IT1019951B (en) 1973-08-15 1974-08-14 KEY MAGNETIC SWITCH EQUIPPED WITH A REMOVABLE SUPPORT COMPLEX, ESPECIALLY FOR KEYBOARDS

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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5856595Y2 (en) * 1978-06-30 1983-12-27 康之 川名 Kabayaki machine
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 Sensor key for contactless generation of an electrical signal when a key is pressed
EP0093080B1 (en) * 1982-04-15 1985-09-25 Standard Telephon Und Radio Ag Keyboard
JPS61112082U (en) * 1984-12-25 1986-07-15
CN107978479B (en) * 2017-12-30 2024-04-12 苏州富强科技有限公司 Keyboard selectivity pressurize subassembly

Also Published As

Publication number Publication date
CH586460A5 (en) 1977-03-31
DE2419410C3 (en) 1978-08-24
DE2419410A1 (en) 1975-02-27
DE2419410B2 (en) 1977-12-29
FR2241169A1 (en) 1975-03-14
BR7404154D0 (en) 1975-05-20
NL163082C (en) 1980-07-15
JPS5040234A (en) 1975-04-12
FR2241169B1 (en) 1982-10-22
NL7405669A (en) 1975-02-18
AU474631B2 (en) 1976-07-29
SE394913B (en) 1977-07-18
NL163082B (en) 1980-02-15
SE7404028L (en) 1975-02-17
CA999374A (en) 1976-11-02
GB1445971A (en) 1976-08-11
AU6934174A (en) 1975-11-27
JPS5816284B2 (en) 1983-03-30

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