BE774535A - RECORDING KEYBOARD DEVICE - Google Patents

RECORDING KEYBOARD DEVICE

Info

Publication number
BE774535A
BE774535A BE774535A BE774535A BE774535A BE 774535 A BE774535 A BE 774535A BE 774535 A BE774535 A BE 774535A BE 774535 A BE774535 A BE 774535A BE 774535 A BE774535 A BE 774535A
Authority
BE
Belgium
Prior art keywords
keyboard device
recording keyboard
recording
keyboard
Prior art date
Application number
BE774535A
Other languages
French (fr)
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
Application filed by Cit Alcatel filed Critical Cit Alcatel
Publication of BE774535A publication Critical patent/BE774535A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
    • H04M1/272—Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial
    • H04M1/2725—Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial using electronic memories

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
BE774535A 1970-11-16 1971-10-27 RECORDING KEYBOARD DEVICE BE774535A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7040920A FR2114075A5 (en) 1970-11-16 1970-11-16

Publications (1)

Publication Number Publication Date
BE774535A true BE774535A (en) 1972-04-27

Family

ID=9064167

Family Applications (1)

Application Number Title Priority Date Filing Date
BE774535A BE774535A (en) 1970-11-16 1971-10-27 RECORDING KEYBOARD DEVICE

Country Status (7)

Country Link
BE (1) BE774535A (en)
CH (1) CH549913A (en)
FR (1) FR2114075A5 (en)
GB (1) GB1349585A (en)
IT (1) IT940610B (en)
LU (1) LU64235A1 (en)
NL (1) NL7102024A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE794179A (en) * 1972-01-21 1973-07-18 Itt INTEGRATED CIRCUIT FOR SELECTING SUBSCRIPTION NUMBERS WITH PUSH BUTTONS
GB1395577A (en) * 1972-05-11 1975-05-29 Standard Telephones Cables Ltd Telephones
FR2232160B1 (en) * 1973-05-29 1978-08-11 Thomson Csf
FR2451690A1 (en) * 1979-03-16 1980-10-10 Horlogerie Photograph Fse Pushbutton telephone set - has power consumption reduced by controlling supply to integrated circuit incorporating call number memory
JPS5890836A (en) * 1981-11-25 1983-05-30 Aisin Seiki Co Ltd Transmission system of board dial signal for steering operation

Also Published As

Publication number Publication date
NL7102024A (en) 1972-05-18
IT940610B (en) 1973-02-20
GB1349585A (en) 1974-04-03
FR2114075A5 (en) 1972-06-30
LU64235A1 (en) 1972-08-03
CH549913A (en) 1974-05-31

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCAT

Effective date: 19861031