FR2180444B1 - - Google Patents

Info

Publication number
FR2180444B1
FR2180444B1 FR7213423A FR7213423A FR2180444B1 FR 2180444 B1 FR2180444 B1 FR 2180444B1 FR 7213423 A FR7213423 A FR 7213423A FR 7213423 A FR7213423 A FR 7213423A FR 2180444 B1 FR2180444 B1 FR 2180444B1
Authority
FR
France
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
FR7213423A
Other languages
French (fr)
Other versions
FR2180444A1 (fi
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Priority to FR7213423A priority Critical patent/FR2180444B1/fr
Priority to SE7304802A priority patent/SE378730B/xx
Priority to FI113273A priority patent/FI57677C/fi
Publication of FR2180444A1 publication Critical patent/FR2180444A1/fr
Application granted granted Critical
Publication of FR2180444B1 publication Critical patent/FR2180444B1/fr
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
    • H04M1/53—Generation of additional signals, e.g. additional pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
FR7213423A 1972-04-17 1972-04-17 Expired FR2180444B1 (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7213423A FR2180444B1 (fi) 1972-04-17 1972-04-17
SE7304802A SE378730B (fi) 1972-04-17 1973-04-05
FI113273A FI57677C (fi) 1972-04-17 1973-04-10 Tidskalibrerad brytanordning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7213423A FR2180444B1 (fi) 1972-04-17 1972-04-17

Publications (2)

Publication Number Publication Date
FR2180444A1 FR2180444A1 (fi) 1973-11-30
FR2180444B1 true FR2180444B1 (fi) 1974-12-20

Family

ID=9096973

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7213423A Expired FR2180444B1 (fi) 1972-04-17 1972-04-17

Country Status (3)

Country Link
FI (1) FI57677C (fi)
FR (1) FR2180444B1 (fi)
SE (1) SE378730B (fi)

Also Published As

Publication number Publication date
SE378730B (fi) 1975-09-08
FI57677B (fi) 1980-05-30
FR2180444A1 (fi) 1973-11-30
FI57677C (fi) 1980-09-10

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Legal Events

Date Code Title Description
ST Notification of lapse