FR2365251A1 - DIGITAL SIGNAL SWITCHING DEVICE - Google Patents

DIGITAL SIGNAL SWITCHING DEVICE

Info

Publication number
FR2365251A1
FR2365251A1 FR7728228A FR7728228A FR2365251A1 FR 2365251 A1 FR2365251 A1 FR 2365251A1 FR 7728228 A FR7728228 A FR 7728228A FR 7728228 A FR7728228 A FR 7728228A FR 2365251 A1 FR2365251 A1 FR 2365251A1
Authority
FR
France
Prior art keywords
switching device
digital signal
signal switching
control unit
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.)
Withdrawn
Application number
FR7728228A
Other languages
French (fr)
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.)
Post Office
Original Assignee
Post Office
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 Post Office filed Critical Post Office
Publication of FR2365251A1 publication Critical patent/FR2365251A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing

Abstract

L'invention concerne la commutation téléphonique. Le dispositif de commutation téléphonique de l'invention comporte essentiellement un certain nombre d'unités de ligne 10, un commutateur numérique 14, et une unité de commande centrale 20. L'unité de commande 20 consiste en un microprocesseur dont le programme enregistré commande l'ensemble des fonctions de commutation du dispositif. Application aux autocommutateurs téléphoniques privés.The invention relates to telephone switching. The telephone switching device of the invention essentially comprises a number of line units 10, a digital switch 14, and a central control unit 20. The control unit 20 consists of a microprocessor, the recorded program of which controls the device. 'set of device switching functions. Application to private telephone exchanges.

FR7728228A 1976-09-17 1977-09-19 DIGITAL SIGNAL SWITCHING DEVICE Withdrawn FR2365251A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB38689/76A GB1588218A (en) 1976-09-17 1976-09-17 Digital switching of electronic signals

Publications (1)

Publication Number Publication Date
FR2365251A1 true FR2365251A1 (en) 1978-04-14

Family

ID=10405079

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7728228A Withdrawn FR2365251A1 (en) 1976-09-17 1977-09-19 DIGITAL SIGNAL SWITCHING DEVICE
FR7728229A Granted FR2365265A1 (en) 1976-09-17 1977-09-19 SIGNAL SWITCHING DEVICE CODED IN NUMERICAL FORM

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR7728229A Granted FR2365265A1 (en) 1976-09-17 1977-09-19 SIGNAL SWITCHING DEVICE CODED IN NUMERICAL FORM

Country Status (6)

Country Link
JP (1) JPS5338910A (en)
CA (1) CA1093195A (en)
DE (1) DE2741816A1 (en)
FR (2) FR2365251A1 (en)
GB (1) GB1588218A (en)
SE (2) SE7710413L (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2408266A1 (en) * 1977-11-07 1979-06-01 Post Office SWITCHING DEVICE FOR DIGITAL SIGNALS

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2443781A1 (en) * 1978-12-08 1980-07-04 Cochennec Jean Yves SYSTEM FOR CONNECTING SUBSCRIBER LINES TO A TEMPORAL TELEPHONE SWITCH
JPH0547677U (en) * 1991-11-28 1993-06-25 株式会社十川ゴム製造所 Flexible pipe for gas

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2206641A1 (en) * 1972-11-13 1974-06-07 Ericsson L M Pty Ltd
US3978290A (en) * 1974-07-12 1976-08-31 Bhupendra Nath Sarma Digital private automatic branch exchange

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2206641A1 (en) * 1972-11-13 1974-06-07 Ericsson L M Pty Ltd
US3978290A (en) * 1974-07-12 1976-08-31 Bhupendra Nath Sarma Digital private automatic branch exchange

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
EXBK/75 *
EXBK/76 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2408266A1 (en) * 1977-11-07 1979-06-01 Post Office SWITCHING DEVICE FOR DIGITAL SIGNALS
FR2408267A1 (en) * 1977-11-07 1979-06-01 Post Office IMPROVEMENTS TO DIGITAL SIGNAL SWITCHING DEVICES
FR2408265A1 (en) * 1977-11-07 1979-06-01 Post Office TELEPHONE SWITCHING DEVICE

Also Published As

Publication number Publication date
FR2365265B3 (en) 1980-07-11
DE2741816A1 (en) 1978-03-23
SE7710412L (en) 1978-03-18
JPS5338910A (en) 1978-04-10
GB1588218A (en) 1981-04-15
SE7710413L (en) 1978-03-18
CA1093195A (en) 1981-01-06
FR2365265A1 (en) 1978-04-14

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Legal Events

Date Code Title Description
ST Notification of lapse