NL152996B - KEYBOARD DEVICE. - Google Patents

KEYBOARD DEVICE.

Info

Publication number
NL152996B
NL152996B NL7205053A NL7205053A NL152996B NL 152996 B NL152996 B NL 152996B NL 7205053 A NL7205053 A NL 7205053A NL 7205053 A NL7205053 A NL 7205053A NL 152996 B NL152996 B NL 152996B
Authority
NL
Netherlands
Prior art keywords
keyboard device
keyboard
Prior art date
Application number
NL7205053A
Other languages
Dutch (nl)
Other versions
NL7205053A (en
Inventor
V M Bernin
K A Engstrom
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 NL7205053A publication Critical patent/NL7205053A/xx
Publication of NL152996B publication Critical patent/NL152996B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
    • H04L13/16—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00 of transmitters, e.g. code-bars, code-discs
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/80—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using non-linear magnetic devices; using non-linear dielectric devices
    • H03K17/81—Switching arrangements with several input- or output-terminals, e.g. multiplexers, distributors
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
    • H03M11/02—Details

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Input From Keyboards Or The Like (AREA)
NL7205053A 1971-05-19 1972-04-14 KEYBOARD DEVICE. NL152996B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14490271A 1971-05-19 1971-05-19

Publications (2)

Publication Number Publication Date
NL7205053A NL7205053A (en) 1972-11-21
NL152996B true NL152996B (en) 1977-04-15

Family

ID=22510654

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7205053A NL152996B (en) 1971-05-19 1972-04-14 KEYBOARD DEVICE.

Country Status (11)

Country Link
JP (1) JPS5329970B1 (en)
BR (1) BR7202800D0 (en)
CA (1) CA937875A (en)
CH (1) CH567762A5 (en)
DE (1) DE2219288B2 (en)
FR (1) FR2139237A5 (en)
GB (1) GB1380282A (en)
HK (1) HK5478A (en)
IT (1) IT950268B (en)
NL (1) NL152996B (en)
SE (1) SE375392B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3003139A (en) * 1955-04-29 1961-10-03 Gen Electronic Lab Inc Electrical information storage system
US3193809A (en) * 1961-05-03 1965-07-06 Sylvania Electric Prod Memory noise cancellation
US3675239A (en) * 1970-09-14 1972-07-04 Ncr Co Unlimited roll keyboard circuit

Also Published As

Publication number Publication date
JPS5329970B1 (en) 1978-08-24
DE2219288B2 (en) 1975-09-04
CH567762A5 (en) 1975-10-15
SE375392B (en) 1975-04-14
DE2219288A1 (en) 1972-11-30
NL7205053A (en) 1972-11-21
FR2139237A5 (en) 1973-01-05
CA937875A (en) 1973-12-04
BR7202800D0 (en) 1973-06-12
HK5478A (en) 1978-02-03
GB1380282A (en) 1975-01-08
IT950268B (en) 1973-06-20

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: ILLINOIS TOOL