GB1349585A - Subscriber unit for a telecommunications system - Google Patents

Subscriber unit for a telecommunications system

Info

Publication number
GB1349585A
GB1349585A GB5318271A GB5318271A GB1349585A GB 1349585 A GB1349585 A GB 1349585A GB 5318271 A GB5318271 A GB 5318271A GB 5318271 A GB5318271 A GB 5318271A GB 1349585 A GB1349585 A GB 1349585A
Authority
GB
United Kingdom
Prior art keywords
line
detector
handset
tone
store
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
GB5318271A
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
Application filed by Alcatel CIT SA, Compagnie Industrielle de Telecommunication CIT Alcatel SA filed Critical Alcatel CIT SA
Publication of GB1349585A publication Critical patent/GB1349585A/en
Expired legal-status Critical Current

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)
GB5318271A 1970-11-16 1971-11-16 Subscriber unit for a telecommunications system Expired GB1349585A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1349585A true GB1349585A (en) 1974-04-03

Family

ID=9064167

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5318271A Expired GB1349585A (en) 1970-11-16 1971-11-16 Subscriber unit for a telecommunications system

Country Status (7)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2425759A1 (de) * 1973-05-29 1975-01-09 Thomson Csf Fernsprechstelle fuer eine automatische funkfernsprechverbindung
DE3242380A1 (de) * 1981-11-25 1983-06-01 Aisin Seiki K.K., Kariya, Aichi Fernsprechuebertragungssystem an einem strassenfahrzeug

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE794179A (nl) * 1972-01-21 1973-07-18 Itt Geintegreerde schakeling voor het kiezen van abonneenummers met druktoetsen
GB1395577A (en) * 1972-05-11 1975-05-29 Standard Telephones Cables Ltd Telephones
FR2451690A1 (fr) * 1979-03-16 1980-10-10 Horlogerie Photograph Fse Perfectionnements aux circuits de postes telephoniques a clavier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2425759A1 (de) * 1973-05-29 1975-01-09 Thomson Csf Fernsprechstelle fuer eine automatische funkfernsprechverbindung
DE3242380A1 (de) * 1981-11-25 1983-06-01 Aisin Seiki K.K., Kariya, Aichi Fernsprechuebertragungssystem an einem strassenfahrzeug

Also Published As

Publication number Publication date
BE774535A (fr) 1972-04-27
LU64235A1 (xx) 1972-08-03
FR2114075A5 (xx) 1972-06-30
CH549913A (fr) 1974-05-31
IT940610B (it) 1973-02-20
NL7102024A (xx) 1972-05-18

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee