GB1337088A - Moving object automatic operation system - Google Patents

Moving object automatic operation system

Info

Publication number
GB1337088A
GB1337088A GB1924771*[A GB1924771A GB1337088A GB 1337088 A GB1337088 A GB 1337088A GB 1924771 A GB1924771 A GB 1924771A GB 1337088 A GB1337088 A GB 1337088A
Authority
GB
United Kingdom
Prior art keywords
slots
cable
location
signals
track
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
GB1924771*[A
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.)
Japan National Railways
Sumitomo Electric Industries Ltd
Original Assignee
Japan National Railways
Sumitomo Electric Industries 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 Japan National Railways, Sumitomo Electric Industries Ltd filed Critical Japan National Railways
Publication of GB1337088A publication Critical patent/GB1337088A/en
Expired 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/16—Continuous control along the route
    • B61L3/22—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation
    • B61L3/225—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation using separate conductors along the route
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/50—Devices characterised by the use of electric or magnetic means for measuring linear speed
    • G01P3/54—Devices characterised by the use of electric or magnetic means for measuring linear speed by measuring frequency of generated current or voltage
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/203—Leaky coaxial lines

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Waveguide Aerials (AREA)
  • Traffic Control Systems (AREA)

Abstract

1337088 Inductive signalling; radio signalling; aerials JAPANESE NATIONAL RAILWAYS and SUMITOMO ELECTRIC INDUSTRIES Ltd 7 June 1971 [12 June 1970] 19247/71 Headings H4A H4L and H4U [Also in Division B7] In an arrangement for controlling a vehicle, e.g. a train, moving over a track, speed and location information is derived from a slotted coaxial cable extending parallel to the track. The slots 3 in the outer conductor 2 of the cable are inclined or include a component which is inclined to the cable axis, the direction of inclination alternating such that adjacent slots are symmetrical about a plane disposed midway between slots and normal to the cable axis. The cable is fed with a signal having a wavelength greater than the spacing S between slots and the pick up coil 8, Fig. 4, on the vehicle has its axis parallel to the magnetic component of the electro-magnetic signals emitted from the slots. The variations in the received signal are demodulated 9 and integrated in unit 11 to provide an indication of distance travelled, or location, and are counted per unit time in unit 110 to provide a speed indication. The signals from units 10 and 11 representing actual speed and location are compared in comparator 13 with desired speed and location signals for the section of track being travelled which are stored in unit 12. Alternatively the received signals can be transmitted to a central control station for processing.
GB1924771*[A 1970-06-12 1971-06-07 Moving object automatic operation system Expired GB1337088A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5131870A JPS5122683B1 (en) 1970-06-12 1970-06-12

Publications (1)

Publication Number Publication Date
GB1337088A true GB1337088A (en) 1973-11-14

Family

ID=12883552

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1924771*[A Expired GB1337088A (en) 1970-06-12 1971-06-07 Moving object automatic operation system

Country Status (5)

Country Link
JP (1) JPS5122683B1 (en)
DE (1) DE2129091C3 (en)
FR (1) FR2096222A5 (en)
GB (1) GB1337088A (en)
IT (1) IT953102B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3634515A1 (en) * 1986-10-10 1988-04-21 Richard Geist Tomb-design system

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4416046A1 (en) * 1994-05-03 1995-11-16 Mannesmann Ag Device for incremental distance measurement, especially for rail vehicles
DE29507429U1 (en) * 1995-05-04 1995-09-28 Birle, Sigmund, 88239 Wangen Automatic steering sensor
DE10260070B4 (en) * 2002-12-19 2006-07-13 Sew-Eurodrive Gmbh & Co. Kg System with an electric cable
ATE497269T1 (en) * 2008-09-30 2011-02-15 Alcatel Lucent RADIANT CABLE
EP3032638B1 (en) * 2014-12-13 2020-04-22 Nokia Shanghai Bell Co., Ltd. Radiating cable and method of manufacturing a radiating cable
EP3032637B1 (en) * 2014-12-13 2020-05-27 Nokia Shanghai Bell Co., Ltd. Radiating cable and method of manufacturing a radiating cable

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1531311A (en) * 1961-05-16 1968-07-05 Tokyo Shibaura Electric Co Wireless induction communication system
GB1240588A (en) * 1968-07-30 1971-07-28 Japan National Railway Improvements in or relating to communication control systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3634515A1 (en) * 1986-10-10 1988-04-21 Richard Geist Tomb-design system

Also Published As

Publication number Publication date
DE2129091A1 (en) 1972-01-27
JPS5122683B1 (en) 1976-07-12
DE2129091C3 (en) 1976-01-08
DE2129091B2 (en) 1975-05-15
FR2096222A5 (en) 1972-02-11
IT953102B (en) 1973-08-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years