FR1454151A - Perfectionnements aux appareils télégraphiques - Google Patents

Perfectionnements aux appareils télégraphiques

Info

Publication number
FR1454151A
FR1454151A FR37434A FR37434A FR1454151A FR 1454151 A FR1454151 A FR 1454151A FR 37434 A FR37434 A FR 37434A FR 37434 A FR37434 A FR 37434A FR 1454151 A FR1454151 A FR 1454151A
Authority
FR
France
Prior art keywords
telegraph devices
telegraph
devices
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR37434A
Other languages
English (en)
Inventor
Frederick Percival Mason
Graham John Lloyd Stevens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Creed and Co Ltd
Original Assignee
Creed and 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 and Co Ltd filed Critical Creed and Co Ltd
Application granted granted Critical
Publication of FR1454151A publication Critical patent/FR1454151A/fr
Expired legal-status Critical Current

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)
  • Input From Keyboards Or The Like (AREA)
  • Push-Button Switches (AREA)
  • Impact Printers (AREA)
  • Character Spaces And Line Spaces In Printers (AREA)
FR37434A 1964-11-06 1965-11-05 Perfectionnements aux appareils télégraphiques Expired FR1454151A (fr)

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
FR1454151A true FR1454151A (fr) 1966-07-22

Family

ID=10436697

Family Applications (1)

Application Number Title Priority Date Filing Date
FR37434A Expired FR1454151A (fr) 1964-11-06 1965-11-05 Perfectionnements aux appareils télégraphiques

Country Status (8)

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

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
JPS61500720A (ja) * 1983-12-20 1986-04-17 キヤタピラ−　トラクタ−　カンパニ− 摩擦駆動式履帯式作業車
DE102007053820A1 (de) * 2007-11-12 2009-05-14 BSH Bosch und Siemens Hausgeräte GmbH Elektrogerätschaltvorrichtung
EP3550715B1 (fr) * 2016-12-02 2021-02-24 Panasonic Intellectual Property Management Co., Ltd. Dispositif de production d'énergie

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
BE671971A (fr) 1966-05-09
DE1499177A1 (de) 1969-10-23
GB1028059A (en) 1966-05-04
NL6514436A (fr) 1966-05-09
CH436789A (de) 1967-05-31
SE335549B (fr) 1971-06-01

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