DK165487D0 - Opstilling til traadloes informationsoverfoering ved hjaelp af elektormagnetiske boelger med ekstrem lav frekvens - Google Patents

Opstilling til traadloes informationsoverfoering ved hjaelp af elektormagnetiske boelger med ekstrem lav frekvens

Info

Publication number
DK165487D0
DK165487D0 DK165487A DK165487A DK165487D0 DK 165487 D0 DK165487 D0 DK 165487D0 DK 165487 A DK165487 A DK 165487A DK 165487 A DK165487 A DK 165487A DK 165487 D0 DK165487 D0 DK 165487D0
Authority
DK
Denmark
Prior art keywords
setting
low frequency
extremely low
information transfer
wireless information
Prior art date
Application number
DK165487A
Other languages
English (en)
Other versions
DK165487A (da
DK169934B1 (da
Inventor
Ralf Esprester
Wulf Mueller
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of DK165487D0 publication Critical patent/DK165487D0/da
Publication of DK165487A publication Critical patent/DK165487A/da
Application granted granted Critical
Publication of DK169934B1 publication Critical patent/DK169934B1/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B13/00—Transmission systems characterised by the medium used for transmission, not provided for in groups H04B3/00 - H04B11/00
    • H04B13/02—Transmission systems in which the medium consists of the earth or a large mass of water thereon, e.g. earth telegraphy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • H01Q1/46—Electric supply lines or communication lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/02—Non-resonant antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Near-Field Transmission Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
DK165487A 1986-04-03 1987-04-01 Opstilling til trådløs informationsoverføring ved hjælp af elektormagnetiske bølger med ekstrem lav frekvens DK169934B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863611077 DE3611077C2 (de) 1986-04-03 1986-04-03 Anordnung zur drahtlosen Informationsübertragung mittels elektromagnetischer Wellen extrem niedriger Frequenzen
DE3611077 1986-04-03

Publications (3)

Publication Number Publication Date
DK165487D0 true DK165487D0 (da) 1987-04-01
DK165487A DK165487A (da) 1987-10-04
DK169934B1 DK169934B1 (da) 1995-04-03

Family

ID=6297780

Family Applications (1)

Application Number Title Priority Date Filing Date
DK165487A DK169934B1 (da) 1986-04-03 1987-04-01 Opstilling til trådløs informationsoverføring ved hjælp af elektormagnetiske bølger med ekstrem lav frekvens

Country Status (4)

Country Link
DE (1) DE3611077C2 (da)
DK (1) DK169934B1 (da)
NO (1) NO172016C (da)
SE (1) SE467438B (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3705221C2 (de) * 1986-04-08 1994-01-27 Deutsche Aerospace Anordnung zur Abstrahlung von Infralängstwellen
DE3704180C2 (de) * 1987-02-11 1995-07-27 Daimler Benz Aerospace Ag Antennenanordnung zur Abstrahlung von Infralängstwellen

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE111618C (da) *
DE468479C (de) * 1917-09-13 1928-11-13 Rca Corp Sendeantenne, insbesondere fuer Richtzwecke
DE405584C (de) * 1921-01-20 1924-11-04 Rca Corp Empfangsantenne
US1514699A (en) * 1921-08-01 1924-11-11 Earl C Hanson Method and apparatus for wireless control for torpedoes, etc.
DE406535C (de) * 1922-05-31 1924-11-29 Gen Electric Rahmenantenne fuer drahtlose Telegraphie
GB524360A (en) * 1939-01-28 1940-08-05 Marconi Wireless Telegraph Co Improvements in or relating to directional aerials and aerial systems
DE909466C (de) * 1952-01-25 1954-04-22 Emi Ltd Antennenanordnung mit fortschreitenden Wellen
US3215937A (en) * 1962-08-27 1965-11-02 Control Data Corp Extremely low-frequency antenna
US3268900A (en) * 1964-08-31 1966-08-23 Langine R Waszkiewicz Image loop antenna
DE2511179C2 (de) * 1975-03-14 1982-09-02 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anordnung zur drahtlosen Übertragung elektrischer Signale in Gewässergebieten
US3993989A (en) * 1975-05-19 1976-11-23 Trw Inc. ELF communications system using HVDC transmission line as antenna
BE834291A (fr) * 1975-10-07 1976-02-02 Systeme de radiocommunications pour milieux confines
US4445123A (en) * 1982-03-04 1984-04-24 Gte Products Corporation Method for establishing a vertical E-field antenna installation

Also Published As

Publication number Publication date
NO871380L (no) 1987-10-05
NO172016B (no) 1993-02-15
NO172016C (no) 1993-05-26
DK165487A (da) 1987-10-04
SE8701119L (sv) 1987-10-04
SE467438B (sv) 1992-07-13
SE8701119D0 (sv) 1987-03-18
DE3611077A1 (de) 1987-10-15
NO871380D0 (no) 1987-04-02
DK169934B1 (da) 1995-04-03
DE3611077C2 (de) 1997-11-20

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed
PBP Patent lapsed