FR446395A - System of apparatus for telegraphy and telephony on long conductors - Google Patents

System of apparatus for telegraphy and telephony on long conductors

Info

Publication number
FR446395A
FR446395A FR446395A FR446395DA FR446395A FR 446395 A FR446395 A FR 446395A FR 446395 A FR446395 A FR 446395A FR 446395D A FR446395D A FR 446395DA FR 446395 A FR446395 A FR 446395A
Authority
FR
France
Prior art keywords
telegraphy
telephony
long conductors
conductors
long
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
FR446395A
Other languages
French (fr)
Inventor
Josef Schiessler
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR446395A publication Critical patent/FR446395A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
FR446395A 1911-02-18 1912-02-17 System of apparatus for telegraphy and telephony on long conductors Expired FR446395A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT446395X 1911-02-18

Publications (1)

Publication Number Publication Date
FR446395A true FR446395A (en) 1912-12-03

Family

ID=1487176

Family Applications (1)

Application Number Title Priority Date Filing Date
FR446395A Expired FR446395A (en) 1911-02-18 1912-02-17 System of apparatus for telegraphy and telephony on long conductors

Country Status (1)

Country Link
FR (1) FR446395A (en)

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