FR838297A - Telephone system - Google Patents

Telephone system

Info

Publication number
FR838297A
FR838297A FR838297DA FR838297A FR 838297 A FR838297 A FR 838297A FR 838297D A FR838297D A FR 838297DA FR 838297 A FR838297 A FR 838297A
Authority
FR
France
Prior art keywords
telephone system
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.)
Expired
Application number
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR838297A publication Critical patent/FR838297A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/08—Amplitude regulation arrangements
FR838297D 1937-11-13 1937-11-13 Telephone system Expired FR838297A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR734512X 1937-11-13

Publications (1)

Publication Number Publication Date
FR838297A true FR838297A (en) 1939-03-02

Family

ID=9129333

Family Applications (1)

Application Number Title Priority Date Filing Date
FR838297D Expired FR838297A (en) 1937-11-13 1937-11-13 Telephone system

Country Status (2)

Country Link
DE (1) DE734512C (en)
FR (1) FR838297A (en)

Also Published As

Publication number Publication date
DE734512C (en) 1943-04-17

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