JPS53105111A - Leak cable line - Google Patents

Leak cable line

Info

Publication number
JPS53105111A
JPS53105111A JP1946477A JP1946477A JPS53105111A JP S53105111 A JPS53105111 A JP S53105111A JP 1946477 A JP1946477 A JP 1946477A JP 1946477 A JP1946477 A JP 1946477A JP S53105111 A JPS53105111 A JP S53105111A
Authority
JP
Japan
Prior art keywords
cable line
leak cable
leak
tunnel
radio
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.)
Granted
Application number
JP1946477A
Other languages
Japanese (ja)
Other versions
JPS5722456B2 (en
Inventor
Kenji Fukube
Kazunori Aoki
Hiromi Murakami
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.)
Toshiba Corp
SWCC Corp
Original Assignee
Toshiba Corp
Showa Electric Wire and Cable Co
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Showa Electric Wire and Cable Co, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP1946477A priority Critical patent/JPS53105111A/en
Publication of JPS53105111A publication Critical patent/JPS53105111A/en
Publication of JPS5722456B2 publication Critical patent/JPS5722456B2/ja
Granted 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
    • H04B5/20—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)
  • Waveguide Aerials (AREA)
  • Near-Field Transmission Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

PURPOSE:The direction of radiant waves from the leak cable is made to slant into the tunnel to prevent the leak of radio waves out of the tunnel, thereby preventing radio-wave trouble.
JP1946477A 1977-02-24 1977-02-24 Leak cable line Granted JPS53105111A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1946477A JPS53105111A (en) 1977-02-24 1977-02-24 Leak cable line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1946477A JPS53105111A (en) 1977-02-24 1977-02-24 Leak cable line

Publications (2)

Publication Number Publication Date
JPS53105111A true JPS53105111A (en) 1978-09-13
JPS5722456B2 JPS5722456B2 (en) 1982-05-13

Family

ID=12000035

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1946477A Granted JPS53105111A (en) 1977-02-24 1977-02-24 Leak cable line

Country Status (1)

Country Link
JP (1) JPS53105111A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011182139A (en) * 2010-02-26 2011-09-15 Toshiba Tec Corp Method for installing antenna, and radio communication system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58211941A (en) * 1982-06-04 1983-12-09 Nissan Motor Co Ltd Bumper structure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4020332Y1 (en) * 1964-11-09 1965-07-15
JPS4826162A (en) * 1971-08-09 1973-04-05
JPS4924519A (en) * 1972-06-30 1974-03-05

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4020332Y1 (en) * 1964-11-09 1965-07-15
JPS4826162A (en) * 1971-08-09 1973-04-05
JPS4924519A (en) * 1972-06-30 1974-03-05

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011182139A (en) * 2010-02-26 2011-09-15 Toshiba Tec Corp Method for installing antenna, and radio communication system

Also Published As

Publication number Publication date
JPS5722456B2 (en) 1982-05-13

Similar Documents

Publication Publication Date Title
NL7702019A (en) RADIO BROADCASTING SYSTEM WITH TRANSMITTER CHARACTERIZATION.
AU509968B2 (en) Supporting the roof of an underground mine working
CA1032571A (en) Roof drain
JPS5328308A (en) Countermeasure system for trouble o f mobile radio
CA937418A (en) Waterproofing receiver
CA1034776A (en) Covered drain pipe
NL7603945A (en) GAS INSULATED TRANSMISSION PIPE.
JPS52120702A (en) Channel selection unit
JPS53105111A (en) Leak cable line
JPS5236965A (en) Magnetron
AU503954B2 (en) Operating mine roof supports
AU497789B2 (en) Insulated pipe coupling
JPS5216048A (en) Heat transmitting wall
JPS5397188A (en) Data transmission system
JPS5256811A (en) Moving subject communication system
JPS51128214A (en) Receiver
JPS51145202A (en) Synthesizer receiver
CA1028375A (en) Underground drain pipe coupling
CA1031587A (en) Mine roof supports
JPS5357908A (en) Communicating system for moving objects
AU2416977A (en) Operating mine roof supports
JPS5244139A (en) Unnecessary wave deletion equipment using slit tube
JPS5373016A (en) Several zone call signal transmission system
JPS52141504A (en) Remote control system of transmitter at radio base station
SU738450A1 (en) Device for processing radar signals