CH436789A - Key arrangement for data entry devices - Google Patents

Key arrangement for data entry devices

Info

Publication number
CH436789A
CH436789A CH1526565A CH1526565A CH436789A CH 436789 A CH436789 A CH 436789A CH 1526565 A CH1526565 A CH 1526565A CH 1526565 A CH1526565 A CH 1526565A CH 436789 A CH436789 A CH 436789A
Authority
CH
Switzerland
Prior art keywords
data entry
key arrangement
entry devices
devices
key
Prior art date
Application number
CH1526565A
Other languages
German (de)
Inventor
Percival Mason Frederick
Lloyd Stevens Graham John
Original Assignee
Creed & Co Ltd
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 Creed & Co Ltd filed Critical Creed & Co Ltd
Publication of CH436789A publication Critical patent/CH436789A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J5/00—Devices or arrangements for controlling character selection
    • B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
    • B41J5/14—Construction of key levers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J7/00—Type-selecting or type-actuating mechanisms
    • B41J7/54—Selecting arrangements including combinations, permutation, summation, or aggregation means
    • B41J7/68—Selecting arrangements including combinations, permutation, summation, or aggregation means with means for selectively closing an electric circuit for type presentation
    • 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
    • H03K17/96—Touch switches
    • H03K17/964—Piezoelectric touch switches
    • H03K17/9643—Piezoelectric touch switches using a plurality of detectors, e.g. keyboard
    • 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
    • H03K17/967—Switches controlled by moving an element forming part of the switch having a plurality of control members, e.g. keyboard
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Push-Button Switches (AREA)
  • Character Spaces And Line Spaces In Printers (AREA)
  • Impact Printers (AREA)
  • Input From Keyboards Or The Like (AREA)
CH1526565A 1964-11-06 1965-11-05 Key arrangement for data entry devices CH436789A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB45303/64A GB1028059A (en) 1964-11-06 1964-11-06 A signal generating arrangement for an electric typewriter and similar apparatus

Publications (1)

Publication Number Publication Date
CH436789A true CH436789A (en) 1967-05-31

Family

ID=10436697

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1526565A CH436789A (en) 1964-11-06 1965-11-05 Key arrangement for data entry devices

Country Status (8)

Country Link
US (1) US3353038A (en)
BE (1) BE671971A (en)
CH (1) CH436789A (en)
DE (1) DE1499177A1 (en)
FR (1) FR1454151A (en)
GB (1) GB1028059A (en)
NL (1) NL6514436A (en)
SE (1) SE335549B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3464531A (en) * 1967-05-16 1969-09-02 Us Army Manual electronic keyboard
US3725908A (en) * 1971-06-21 1973-04-03 Control Data Corp Impact transducer keyboard apparatus
GB1363215A (en) * 1973-01-04 1974-08-14 Mullard Ltd Mechanical-electrical transducer
US3831730A (en) * 1973-01-31 1974-08-27 D Koeppe Keyboards
US4378552A (en) * 1977-11-21 1983-03-29 Scm Corporation Acoustic encoding apparatus
US4269521A (en) * 1978-10-11 1981-05-26 Scm Corporation Key mechanism having a snap action
US4359613A (en) * 1981-03-16 1982-11-16 Engineering Research Applications, Inc. Molded keyboard and method of fabricating same
US4359612A (en) * 1980-09-24 1982-11-16 Engineering Research Applications, Inc. Universal keyboard and method of producing same
USRE32419E (en) * 1981-03-16 1987-05-12 Engineering Research Applications, Inc. Molded keyboard and method of fabricating same
JPS61500720A (en) * 1983-12-20 1986-04-17 キヤタピラ−　トラクタ−　カンパニ− Friction driven track type work vehicle
DE102007053820A1 (en) * 2007-11-12 2009-05-14 BSH Bosch und Siemens Hausgeräte GmbH Electrical appliance switch device
JPWO2018100859A1 (en) * 2016-12-02 2019-10-17 パナソニックＩｐマネジメント株式会社 Power generator

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2309703A (en) * 1941-05-21 1943-02-02 Bell Telephone Labor Inc Alternating current generator
US2302081A (en) * 1941-06-19 1942-11-17 Ibm Signaling system
US2464045A (en) * 1947-03-20 1949-03-08 Walter E Kuenstler Frequency control device
US2921252A (en) * 1957-05-28 1960-01-12 Edward L Schiavone Electric generator

Also Published As

Publication number Publication date
US3353038A (en) 1967-11-14
SE335549B (en) 1971-06-01
DE1499177A1 (en) 1969-10-23
BE671971A (en) 1966-05-09
FR1454151A (en) 1966-07-22
NL6514436A (en) 1966-05-09
GB1028059A (en) 1966-05-04

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