FR2041390A5 - - Google Patents

Info

Publication number
FR2041390A5
FR2041390A5 FR6912708A FR6912708A FR2041390A5 FR 2041390 A5 FR2041390 A5 FR 2041390A5 FR 6912708 A FR6912708 A FR 6912708A FR 6912708 A FR6912708 A FR 6912708A FR 2041390 A5 FR2041390 A5 FR 2041390A5
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
FR6912708A
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.)
Compagnie IBM France SAS
Original Assignee
Compagnie IBM France SAS
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 Compagnie IBM France SAS filed Critical Compagnie IBM France SAS
Priority to FR6912708A priority Critical patent/FR2041390A5/fr
Priority to DE19702019859 priority patent/DE2019859A1/en
Priority to GB2089570A priority patent/GB1310538A/en
Application granted granted Critical
Publication of FR2041390A5 publication Critical patent/FR2041390A5/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/14—Arrangements providing for calling or supervisory signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
FR6912708A 1969-04-30 1969-04-30 Expired FR2041390A5 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR6912708A FR2041390A5 (en) 1969-04-30 1969-04-30
DE19702019859 DE2019859A1 (en) 1969-04-30 1970-04-24 Method and circuit arrangements for the simultaneous transmission of two types of messages on a common transmission line
GB2089570A GB1310538A (en) 1969-04-30 1970-04-30 Data transmission systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6912708A FR2041390A5 (en) 1969-04-30 1969-04-30

Publications (1)

Publication Number Publication Date
FR2041390A5 true FR2041390A5 (en) 1971-01-29

Family

ID=9032880

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6912708A Expired FR2041390A5 (en) 1969-04-30 1969-04-30

Country Status (3)

Country Link
DE (1) DE2019859A1 (en)
FR (1) FR2041390A5 (en)
GB (1) GB1310538A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5824060B2 (en) * 1979-06-08 1983-05-19 日本電信電話株式会社 Audio band multiplex transmission method

Also Published As

Publication number Publication date
DE2019859A1 (en) 1970-11-12
GB1310538A (en) 1973-03-21

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Legal Events

Date Code Title Description
ST Notification of lapse