FR721134A - Device for telegraphic traffic, telephone traffic, remote measurement traffic, etc., on high-frequency connections, in particular between power plants - Google Patents

Device for telegraphic traffic, telephone traffic, remote measurement traffic, etc., on high-frequency connections, in particular between power plants

Info

Publication number
FR721134A
FR721134A FR721134DA FR721134A FR 721134 A FR721134 A FR 721134A FR 721134D A FR721134D A FR 721134DA FR 721134 A FR721134 A FR 721134A
Authority
FR
France
Prior art keywords
traffic
telegraphic
power plants
remote measurement
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.)
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 FR721134A publication Critical patent/FR721134A/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
    • H04B3/546—Combination of signalling, telemetering, protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
FR721134D 1930-08-09 1931-08-07 Device for telegraphic traffic, telephone traffic, remote measurement traffic, etc., on high-frequency connections, in particular between power plants Expired FR721134A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE667851T 1930-08-09

Publications (1)

Publication Number Publication Date
FR721134A true FR721134A (en) 1932-02-29

Family

ID=6629204

Family Applications (1)

Application Number Title Priority Date Filing Date
FR721134D Expired FR721134A (en) 1930-08-09 1931-08-07 Device for telegraphic traffic, telephone traffic, remote measurement traffic, etc., on high-frequency connections, in particular between power plants

Country Status (2)

Country Link
DE (1) DE667851C (en)
FR (1) FR721134A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE745321C (en) * 1936-11-20 1944-03-21 Lorenz C Ag Arrangement for the transmission of messages by means of high-frequency alternating currents, preferably over lines
DE765208C (en) * 1935-10-27 1953-06-08 Aeg Carrier frequency telephony system with two carrier frequencies and intermediate amplifiers and intermediate amplifiers

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE861861C (en) * 1943-05-18 1953-01-05 Siemens Ag Multiple carrier frequency transmission system
DE943576C (en) * 1943-10-23 1956-05-24 Aeg Transmitter for telemetry equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE765208C (en) * 1935-10-27 1953-06-08 Aeg Carrier frequency telephony system with two carrier frequencies and intermediate amplifiers and intermediate amplifiers
DE745321C (en) * 1936-11-20 1944-03-21 Lorenz C Ag Arrangement for the transmission of messages by means of high-frequency alternating currents, preferably over lines

Also Published As

Publication number Publication date
DE667851C (en) 1938-11-21

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