FR813826A - Provision for high frequency selective calling traffic, in particular for traffic on heavy current lines - Google Patents

Provision for high frequency selective calling traffic, in particular for traffic on heavy current lines

Info

Publication number
FR813826A
FR813826A FR813826DA FR813826A FR 813826 A FR813826 A FR 813826A FR 813826D A FR813826D A FR 813826DA FR 813826 A FR813826 A FR 813826A
Authority
FR
France
Prior art keywords
traffic
provision
high frequency
frequency selective
heavy current
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.)
AEG AG
Original Assignee
Allgemeine Elektricitaets Gesellschaft
AEG 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 Allgemeine Elektricitaets Gesellschaft, AEG AG filed Critical Allgemeine Elektricitaets Gesellschaft
Application granted granted Critical
Publication of FR813826A publication Critical patent/FR813826A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/544—Setting up communications; Call and signalling arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
FR813826D 1935-11-25 1936-11-21 Provision for high frequency selective calling traffic, in particular for traffic on heavy current lines Expired FR813826A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1935A0077756 DE696453C (en) 1935-11-25 1935-11-25 Device for high-frequency traffic with dial-up calls, in particular over power lines

Publications (1)

Publication Number Publication Date
FR813826A true FR813826A (en) 1937-06-09

Family

ID=6734355

Family Applications (2)

Application Number Title Priority Date Filing Date
FR813826D Expired FR813826A (en) 1935-11-25 1936-11-21 Provision for high frequency selective calling traffic, in particular for traffic on heavy current lines
FR49123D Expired FR49123E (en) 1935-11-25 1938-01-12 Provision for high frequency selective calling traffic, in particular for traffic on heavy current lines

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR49123D Expired FR49123E (en) 1935-11-25 1938-01-12 Provision for high frequency selective calling traffic, in particular for traffic on heavy current lines

Country Status (3)

Country Link
BE (1) BE426044A (en)
DE (2) DE696453C (en)
FR (2) FR813826A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE956776C (en) * 1942-02-03 1957-01-24 Telefunken Gmbh Wireless intercom
DE3407308A1 (en) * 1984-02-24 1985-09-12 Siemens AG, 1000 Berlin und 8000 München Dedicated-line-free communications system (small PBX system with an adapter connection to the power supply mains)
DE3407310A1 (en) * 1984-02-24 1985-09-12 Siemens AG, 1000 Berlin und 8000 München Dedicated-line-free communications system (small PBX system with dial and call signalling via the power supply mains)

Also Published As

Publication number Publication date
FR49123E (en) 1938-11-07
DE705321C (en) 1941-04-26
DE696453C (en) 1940-09-21
BE426044A (en) 1938-02-28

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