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BR7608557A - Chave de ligacao magnetica para painel - Google Patents

Chave de ligacao magnetica para painel

Info

Publication number
BR7608557A
BR7608557A BR7608557A BR7608557A BR7608557A BR 7608557 A BR7608557 A BR 7608557A BR 7608557 A BR7608557 A BR 7608557A BR 7608557 A BR7608557 A BR 7608557A BR 7608557 A BR7608557 A BR 7608557A
Authority
BR
Brazil
Prior art keywords
panel connection
connection key
magnetic panel
magnetic
key
Prior art date
Application number
BR7608557A
Other languages
English (en)
Inventor
E Wanatowicz
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
Publication of BR7608557A publication Critical patent/BR7608557A/pt

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
    • H03K17/972—Switches controlled by moving an element forming part of the switch using a magnetic movable element having a plurality of control members, e.g. keyboard
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S84/00—Music
    • Y10S84/07—Electric key switch structure
BR7608557A 1976-02-02 1976-12-21 Chave de ligacao magnetica para painel BR7608557A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/654,429 US4017850A (en) 1976-02-02 1976-02-02 Magnetic keyswitch with two-piece support assembly

Publications (1)

Publication Number Publication Date
BR7608557A true BR7608557A (pt) 1977-12-27

Family

ID=24624814

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7608557A BR7608557A (pt) 1976-02-02 1976-12-21 Chave de ligacao magnetica para painel

Country Status (5)

Country Link
US (1) US4017850A (pt)
JP (1) JPS5295076A (pt)
AU (1) AU501480B2 (pt)
BR (1) BR7608557A (pt)
CA (1) CA1079400A (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227163A (en) * 1979-03-05 1980-10-07 Illinois Tool Works Inc. Electrical keyswitch
US4263582A (en) * 1979-08-24 1981-04-21 Illinois Tool Works Inc. Keyboard with an externally programmable repeat rate and repeat delay rate counter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA608330A (en) * 1956-06-28 1960-11-08 Westinghouse Electric Corporation Switching devices
US3129418A (en) * 1960-08-04 1964-04-14 Teledyne Inc Electronic keyboard
NL299494A (pt) * 1963-10-18
US3714611A (en) * 1971-11-18 1973-01-30 Illinois Tool Works Solid state switch construction

Also Published As

Publication number Publication date
AU501480B2 (en) 1979-06-21
US4017850A (en) 1977-04-12
AU1991076A (en) 1978-06-01
CA1079400A (en) 1980-06-10
JPS5295076A (en) 1977-08-10

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