FR2087469A5 - - Google Patents

Info

Publication number
FR2087469A5
FR2087469A5 FR7018387A FR7018387A FR2087469A5 FR 2087469 A5 FR2087469 A5 FR 2087469A5 FR 7018387 A FR7018387 A FR 7018387A FR 7018387 A FR7018387 A FR 7018387A FR 2087469 A5 FR2087469 A5 FR 2087469A5
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
FR7018387A
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.)
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 FR7018387A priority Critical patent/FR2087469A5/fr
Application granted granted Critical
Publication of FR2087469A5 publication Critical patent/FR2087469A5/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
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR7018387A 1970-05-20 1970-05-20 Expired FR2087469A5 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7018387A FR2087469A5 (enExample) 1970-05-20 1970-05-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7018387A FR2087469A5 (enExample) 1970-05-20 1970-05-20

Publications (1)

Publication Number Publication Date
FR2087469A5 true FR2087469A5 (enExample) 1971-12-31

Family

ID=9055806

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7018387A Expired FR2087469A5 (enExample) 1970-05-20 1970-05-20

Country Status (1)

Country Link
FR (1) FR2087469A5 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2220941A1 (enExample) * 1973-03-05 1974-10-04 Ericsson Telefon Ab L M

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2220941A1 (enExample) * 1973-03-05 1974-10-04 Ericsson Telefon Ab L M

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Legal Events

Date Code Title Description
ST Notification of lapse