IT1109644B - Dispositivo di trasmissione dei caratteri applicabile ad un terminale telefonico a tastiera - Google Patents

Dispositivo di trasmissione dei caratteri applicabile ad un terminale telefonico a tastiera

Info

Publication number
IT1109644B
IT1109644B IT69797/78A IT6979778A IT1109644B IT 1109644 B IT1109644 B IT 1109644B IT 69797/78 A IT69797/78 A IT 69797/78A IT 6979778 A IT6979778 A IT 6979778A IT 1109644 B IT1109644 B IT 1109644B
Authority
IT
Italy
Prior art keywords
transmission device
telephone terminal
device applicable
character transmission
keypad telephone
Prior art date
Application number
IT69797/78A
Other languages
English (en)
Other versions
IT7869797A0 (it
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of IT7869797A0 publication Critical patent/IT7869797A0/it
Application granted granted Critical
Publication of IT1109644B publication Critical patent/IT1109644B/it

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 OR CALCULATING; 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Input From Keyboards Or The Like (AREA)
IT69797/78A 1977-12-06 1978-12-06 Dispositivo di trasmissione dei caratteri applicabile ad un terminale telefonico a tastiera IT1109644B (it)

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 (2)

Publication Number Publication Date
IT7869797A0 IT7869797A0 (it) 1978-12-06
IT1109644B true IT1109644B (it) 1985-12-23

Family

ID=26220328

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69797/78A IT1109644B (it) 1977-12-06 1978-12-06 Dispositivo di trasmissione dei caratteri applicabile ad un terminale telefonico a tastiera

Country Status (4)

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

Families Citing this family (8)

* 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
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
DE2455174A1 (de) * 1973-11-21 1975-05-22 Termiflex Corp Ein/ausgabegeraet zum datenaustausch mit datenverarbeitungseinrichtungen
US4012599A (en) * 1975-07-29 1977-03-15 Jerome Charles Meyer Telephone communications system for the deaf

Also Published As

Publication number Publication date
EP0002247A1 (fr) 1979-06-13
IT7869797A0 (it) 1978-12-06
ES475760A1 (es) 1979-04-01
OA06124A (fr) 1981-06-30

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