JPS57107649A - Radio frequency communication system - Google Patents

Radio frequency communication system

Info

Publication number
JPS57107649A
JPS57107649A JP56146984A JP14698481A JPS57107649A JP S57107649 A JPS57107649 A JP S57107649A JP 56146984 A JP56146984 A JP 56146984A JP 14698481 A JP14698481 A JP 14698481A JP S57107649 A JPS57107649 A JP S57107649A
Authority
JP
Japan
Prior art keywords
communication system
radio frequency
frequency communication
radio
frequency
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.)
Pending
Application number
JP56146984A
Other languages
English (en)
Inventor
Shii Sutoruubun Uoren
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.)
US Government
Original Assignee
US Government
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 US Government filed Critical US Government
Publication of JPS57107649A publication Critical patent/JPS57107649A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
    • H04B5/48—Transceivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/28—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium using the near field of leaky cables, e.g. of leaky coaxial cables

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Superheterodyne Receivers (AREA)
  • Transmitters (AREA)
JP56146984A 1980-09-17 1981-09-17 Radio frequency communication system Pending JPS57107649A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18791480A 1980-09-17 1980-09-17

Publications (1)

Publication Number Publication Date
JPS57107649A true JPS57107649A (en) 1982-07-05

Family

ID=22691006

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56146984A Pending JPS57107649A (en) 1980-09-17 1981-09-17 Radio frequency communication system

Country Status (6)

Country Link
JP (1) JPS57107649A (ja)
CA (1) CA1183220A (ja)
CH (1) CH659556A5 (ja)
DE (1) DE3137021A1 (ja)
GB (1) GB2084430B (ja)
ZA (1) ZA816383B (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4777652A (en) * 1982-07-27 1988-10-11 A.R.F. Products Radio communication systems for underground mines
GB2142508B (en) * 1983-06-29 1987-01-28 Private Mobile Rentals Limited Improvements relating to communications systems
AT381195B (de) * 1984-10-03 1986-09-10 Siemens Ag Oesterreich Tunnelantennensystem zur breitbandigen signaluebertragung
DE3735839A1 (de) * 1987-10-23 1989-05-03 Licentia Gmbh Anordnung zur uebertragung von funksignalen
GB2212984B (en) * 1987-11-30 1991-09-04 Plessey Telecomm Distributed antenna system
GB8915542D0 (en) * 1989-07-06 1989-08-23 Hunting Eng Ltd Communication systems
GB9004917D0 (en) * 1990-03-05 1990-05-02 Hunting Eng Ltd Systems employing leaky feeder communications
IE70073B1 (en) * 1990-12-14 1996-10-30 Ainsworth Tech Inc Communication system
WO2007124538A1 (en) 2006-04-28 2007-11-08 Orica Explosives Technology Pty Ltd Methods of controlling components of blasting apparatuses, blasting apparatuses, and components thereof
RU2642845C1 (ru) * 2017-03-31 2018-01-29 Дмитрий Витальевич Федосов Способ и система мобильной связи для протяженных объектов

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS447214Y1 (ja) * 1968-02-12 1969-03-18
JPS4828569A (ja) * 1971-08-18 1973-04-16

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2729719C2 (de) * 1977-07-01 1985-11-21 kabelmetal electro GmbH, 3000 Hannover Vorrichtung zur Übertragung von Hochfrequenz-Signalen
DE2810691A1 (de) * 1978-03-11 1979-09-13 Licentia Gmbh Nachrichtenuebertragungssystem

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS447214Y1 (ja) * 1968-02-12 1969-03-18
JPS4828569A (ja) * 1971-08-18 1973-04-16

Also Published As

Publication number Publication date
CH659556A5 (de) 1987-01-30
DE3137021A1 (de) 1982-06-16
CA1183220A (en) 1985-02-26
GB2084430A (en) 1982-04-07
ZA816383B (en) 1982-09-29
GB2084430B (en) 1984-10-03

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