ES475760A1 - Perfeccionamientos en dispositivos de transmision de carac- teres aplicables a terminales telefonicos con teclado - Google Patents

Perfeccionamientos en dispositivos de transmision de carac- teres aplicables a terminales telefonicos con teclado

Info

Publication number
ES475760A1
ES475760A1 ES475760A ES475760A ES475760A1 ES 475760 A1 ES475760 A1 ES 475760A1 ES 475760 A ES475760 A ES 475760A ES 475760 A ES475760 A ES 475760A ES 475760 A1 ES475760 A1 ES 475760A1
Authority
ES
Spain
Prior art keywords
code
applicable
push button
telephone set
button telephone
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
ES475760A
Other languages
English (en)
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.)
Alcatel CIT SA
Original Assignee
Alcatel CIT SA
Compagnie Industrielle de Telecommunication CIT Alcatel SA
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
Priority claimed from FR7736715A external-priority patent/FR2411516A1/fr
Priority claimed from FR7736716A external-priority patent/FR2411518A1/fr
Application filed by Alcatel CIT SA, Compagnie Industrielle de Telecommunication CIT Alcatel SA filed Critical Alcatel CIT SA
Publication of ES475760A1 publication Critical patent/ES475760A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03M11/04—Coding of multifunction keys
    • H03M11/14—Coding of multifunction keys by using additional keys, e.g. shift keys, which determine the function performed by the multifunction key
    • H03M11/16—Coding of multifunction keys by using additional keys, e.g. shift keys, which determine the function performed by the multifunction key wherein the shift keys are operated after the operation of the multifunction keys
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
    • G06F3/0233—Character input methods
    • G06F3/0235—Character input methods using chord techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/066—Telephone sets adapted for data transmision

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)

Abstract

Perfeccionamientos en dispositivos de transmisión de caracteres aplicables a terminales telefónicos con teclado, del tipo de código multifrecuencia, que comprenden un circuito de emisión y un circuito de recepción de las señales de código multifrecuencia, un dispositivo de fijación de los caracteres utilizables en emisión y en recepción, y medios de extensión de código, caracterizados porque el circuito de emisión comprende primeros medios de registro y de codificado del número de identificación de la señal del código de base que corresponde a la tecla accionada.
ES475760A 1977-12-06 1978-12-06 Perfeccionamientos en dispositivos de transmision de carac- teres aplicables a terminales telefonicos con teclado Expired ES475760A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7736715A FR2411516A1 (fr) 1977-12-06 1977-12-06 Procede et systeme de transmission de caracteres applicable a un terminal telephonique a clavier
FR7736716A FR2411518A1 (fr) 1977-12-06 1977-12-06 Procede et dispositif de transmission de caracteres applicable a un terminal telephonique a clavier

Publications (1)

Publication Number Publication Date
ES475760A1 true ES475760A1 (es) 1979-04-01

Family

ID=26220328

Family Applications (1)

Application Number Title Priority Date Filing Date
ES475760A Expired ES475760A1 (es) 1977-12-06 1978-12-06 Perfeccionamientos en dispositivos de transmision de carac- teres aplicables a terminales telefonicos con teclado

Country Status (4)

Country Link
EP (1) EP0002247A1 (es)
ES (1) ES475760A1 (es)
IT (1) IT1109644B (es)
OA (1) OA06124A (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57196656A (en) * 1981-05-28 1982-12-02 Toshiba Corp Telephone set for character input
FR2536608A3 (fr) * 1982-11-19 1984-05-25 Nord Est Parisien Ste Electro Procede de formation d'un message au moyen d'un clavier, dispositif et application s'y rapportant
JPS59143449A (ja) * 1983-02-03 1984-08-17 Sharp Corp デ−タ伝送処理装置
JPS6080354A (ja) * 1983-10-08 1985-05-08 Hashimoto Corp プツシユホン使用の情報受信方式
FR2577055A2 (fr) * 1985-02-07 1986-08-08 Lanchais Michel Procede de manipulation chromo-sensitif issu d'un syllogisme rassemblant la symbolique d'un organigramme chromatique et la sensibilite exteroceptive
GB2178927B (en) * 1985-07-09 1990-02-21 Canon Kk Communication apparatus
FR2585487B1 (fr) * 1985-07-29 1990-09-07 Guyot Sionnest Laurent Claviers pour ordinateurs, < a 70 cm2 et a moins de 13 contacts actionnes de facon combinee par les doigts d'une seule main
US4837811A (en) * 1988-01-25 1989-06-06 Communication Manufacturing Co. Telephone technician's terminals
EP0666679A1 (de) * 1994-02-08 1995-08-09 Riccardo Zanotti Telephonvorrichtung zur Schallsendung von verschlüsselten Multifrequenztönen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3771156A (en) * 1972-09-25 1973-11-06 Sanders Associates Inc Communication apparatus
FR2239926A5 (en) * 1973-07-31 1975-02-28 Damlamian Jean Jacques Push-button telephone keyboard - is for number selection and subsequent access to calculator with buttons lit-up
FR2251864A1 (en) * 1973-11-21 1975-06-13 Termiflex Corp Portable input and output unit for connection to a data processor - is basically a calculator with transmitter and receiver
US4012599A (en) * 1975-07-29 1977-03-15 Jerome Charles Meyer Telephone communications system for the deaf

Also Published As

Publication number Publication date
OA06124A (fr) 1981-06-30
IT7869797A0 (it) 1978-12-06
IT1109644B (it) 1985-12-23
EP0002247A1 (fr) 1979-06-13

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