FR945844A - Improvements to ultra-short wave multiplex telephone links - Google Patents

Improvements to ultra-short wave multiplex telephone links

Info

Publication number
FR945844A
FR945844A FR945844DA FR945844A FR 945844 A FR945844 A FR 945844A FR 945844D A FR945844D A FR 945844DA FR 945844 A FR945844 A FR 945844A
Authority
FR
France
Prior art keywords
ultra
short wave
telephone links
wave multiplex
multiplex 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.)
Societe Francaise Radio Electrique
Original Assignee
Societe Francaise Radio Electrique
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 Societe Francaise Radio Electrique filed Critical Societe Francaise Radio Electrique
Application granted granted Critical
Publication of FR945844A publication Critical patent/FR945844A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
FR945844D 1947-04-18 1947-04-18 Improvements to ultra-short wave multiplex telephone links Expired FR945844A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR945844T 1947-04-18

Publications (1)

Publication Number Publication Date
FR945844A true FR945844A (en) 1949-05-16

Family

ID=9472578

Family Applications (1)

Application Number Title Priority Date Filing Date
FR945844D Expired FR945844A (en) 1947-04-18 1947-04-18 Improvements to ultra-short wave multiplex telephone links

Country Status (3)

Country Link
CH (1) CH270413A (en)
FR (1) FR945844A (en)
GB (1) GB652653A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL178756B (en) * 1952-06-02 Mitsubishi Heavy Ind Ltd METHOD AND MODEL FOR MANUFACTURING CASTS BY VACUUEM.
US3039089A (en) * 1958-01-27 1962-06-12 Temco Electronics & Missiles C Radar system
CN110518954B (en) * 2019-09-26 2022-05-03 西安烽火电子科技有限责任公司 Short wave/ultra-short wave radio station long-distance relay communication system and method

Also Published As

Publication number Publication date
CH270413A (en) 1950-08-31
GB652653A (en) 1951-04-25

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