BE671971A - - Google Patents

Info

Publication number
BE671971A
BE671971A BE671971DA BE671971A BE 671971 A BE671971 A BE 671971A BE 671971D A BE671971D A BE 671971DA BE 671971 A BE671971 A BE 671971A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE671971A publication Critical patent/BE671971A/xx

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)
  • Impact Printers (AREA)
  • Character Spaces And Line Spaces In Printers (AREA)
  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
BE671971D 1964-11-06 1965-11-08 BE671971A (enrdf_load_stackoverflow)

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
BE671971A true BE671971A (enrdf_load_stackoverflow) 1966-05-09

Family

ID=10436697

Family Applications (1)

Application Number Title Priority Date Filing Date
BE671971D BE671971A (enrdf_load_stackoverflow) 1964-11-06 1965-11-08

Country Status (8)

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

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
US4359612A (en) * 1980-09-24 1982-11-16 Engineering Research Applications, Inc. Universal keyboard and method of producing same
US4359613A (en) * 1981-03-16 1982-11-16 Engineering Research Applications, Inc. Molded keyboard and method of fabricating same
USRE32419E (en) * 1981-03-16 1987-05-12 Engineering Research Applications, Inc. Molded keyboard and method of fabricating same
EP0165245B1 (en) * 1983-12-20 1989-07-19 Caterpillar Inc. Frictionally driven belted work vehicle
DE102007053820A1 (de) * 2007-11-12 2009-05-14 BSH Bosch und Siemens Hausgeräte GmbH Elektrogerätschaltvorrichtung
US20190260312A1 (en) * 2016-12-02 2019-08-22 Panasonic Intellectual Property Management Co., Ltd. Power generation device

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
CH436789A (de) 1967-05-31
US3353038A (en) 1967-11-14
NL6514436A (enrdf_load_stackoverflow) 1966-05-09
DE1499177A1 (de) 1969-10-23
GB1028059A (en) 1966-05-04
SE335549B (enrdf_load_stackoverflow) 1971-06-01
FR1454151A (fr) 1966-07-22

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