FR1024696A - Device for ensuring the monitoring and continuity of service of an intermediate station of a high-frequency transmission installation - Google Patents

Device for ensuring the monitoring and continuity of service of an intermediate station of a high-frequency transmission installation

Info

Publication number
FR1024696A
FR1024696A FR1024696DA FR1024696A FR 1024696 A FR1024696 A FR 1024696A FR 1024696D A FR1024696D A FR 1024696DA FR 1024696 A FR1024696 A FR 1024696A
Authority
FR
France
Prior art keywords
continuity
ensuring
monitoring
service
frequency transmission
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.)
Patelhold Patenverwertungs and Elektro-Holding AG
Original Assignee
Patelhold Patenverwertungs and Elektro-Holding 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 Patelhold Patenverwertungs and Elektro-Holding AG filed Critical Patelhold Patenverwertungs and Elektro-Holding AG
Application granted granted Critical
Publication of FR1024696A publication Critical patent/FR1024696A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
FR1024696D 1949-09-20 1950-09-19 Device for ensuring the monitoring and continuity of service of an intermediate station of a high-frequency transmission installation Expired FR1024696A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1024696X 1949-09-20

Publications (1)

Publication Number Publication Date
FR1024696A true FR1024696A (en) 1953-04-03

Family

ID=4553296

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1024696D Expired FR1024696A (en) 1949-09-20 1950-09-19 Device for ensuring the monitoring and continuity of service of an intermediate station of a high-frequency transmission installation

Country Status (4)

Country Link
CH (1) CH275999A (en)
DE (1) DE844325C (en)
FR (1) FR1024696A (en)
NL (1) NL78145C (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691065A (en) * 1951-01-12 1954-10-05 Rca Corp Multiplex relay system
DE1034716B (en) * 1952-02-09 1958-07-24 Iapatelholdiapatentverwertungs Device for functional testing of a frequency-modulated receiving system
DE972510C (en) * 1952-10-03 1959-08-06 Andre Eugene Pinet Locking device for receivers in multiple transmission systems
US2876341A (en) * 1953-06-11 1959-03-03 Western Union Telegraph Co Fault alarm radio repeater system
US3048840A (en) * 1956-03-06 1962-08-07 Itt Communication system
DE1047272B (en) * 1957-09-25 1958-12-24 Siemens Ag Radio link with at least three radio frequency channels and one backup channel
DE1245446B (en) * 1962-02-20 1967-07-27 Siemens Ag Directional radio overlay receiver for waves modulated in frequency

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2128230A (en) * 1937-09-02 1938-08-30 Bell Telephone Labor Inc Power transfer circuit

Also Published As

Publication number Publication date
DE844325C (en) 1952-07-21
CH275999A (en) 1951-06-15
NL78145C (en)

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