FR820008A - Electric current pulse transmission device - Google Patents

Electric current pulse transmission device

Info

Publication number
FR820008A
FR820008A FR820008DA FR820008A FR 820008 A FR820008 A FR 820008A FR 820008D A FR820008D A FR 820008DA FR 820008 A FR820008 A FR 820008A
Authority
FR
France
Prior art keywords
electric current
transmission device
current pulse
pulse transmission
electric
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR820008A publication Critical patent/FR820008A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H04Q9/08—Calling by using continuous ac
    • H04Q9/10—Calling by using continuous ac using single different frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR820008D 1936-04-04 1937-03-31 Electric current pulse transmission device Expired FR820008A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE820008X 1936-04-04

Publications (1)

Publication Number Publication Date
FR820008A true FR820008A (en) 1937-10-30

Family

ID=6735849

Family Applications (1)

Application Number Title Priority Date Filing Date
FR820008D Expired FR820008A (en) 1936-04-04 1937-03-31 Electric current pulse transmission device

Country Status (1)

Country Link
FR (1) FR820008A (en)

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