GB166578A - Improvements in or relating to apparatus for the localisation of a submerged cable - Google Patents

Improvements in or relating to apparatus for the localisation of a submerged cable

Info

Publication number
GB166578A
GB166578A GB77819A GB77819A GB166578A GB 166578 A GB166578 A GB 166578A GB 77819 A GB77819 A GB 77819A GB 77819 A GB77819 A GB 77819A GB 166578 A GB166578 A GB 166578A
Authority
GB
United Kingdom
Prior art keywords
coil
coils
cable
observed
receiver
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
GB77819A
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.)
HENRY RIVERS RIVERS MOORE
Original Assignee
HENRY RIVERS RIVERS MOORE
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 HENRY RIVERS RIVERS MOORE filed Critical HENRY RIVERS RIVERS MOORE
Priority to GB77819A priority Critical patent/GB166578A/en
Publication of GB166578A publication Critical patent/GB166578A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Details Of Aerials (AREA)

Abstract

166,578. Moore, H. R. Rivers-. Jan 10, 1919. No Patent granted (Sealing fee not paid). Leader gear and other arrangements for assisting navigation.-In apparatus for localizing a submerged cable carrying an alternating current for use by ships for navigational purposes, and in which the electromotive force induced by the cable in a coil or coils disposed on the ship is observed, a single horizontal coil may be used which may or may not be combined with a vertical coil, or two coils may be arranged vertically each at 45‹ to the centre line of the ship. A single horizontal coil may be connected up through an amplifier to a telephone receiver, a zero point being observed corresponding to the crossing of the cable. Suitable dimensions for the coil are given, and it may be formed by a cable run round the deck or bv wires slung in the rigging. The horizontal coil D, Fig. 3, may be combined with a vertical coil G, the two being connected in series through an amplifier E and receiver F, thus providing means for determining the approximate direction of the magnetic field at any point. The inter-connection of the coils D, G mav be made reversible bv a switch H which has also a position H<1> in which the horizontal coil alone is used. Two vertical coils may be arranged each at an angle of 45‹ with the centre line of the vessel, being conveniently rigged from a mast and arranged in triangular form with the apex uppermost. A change-over switch is provided for connection each in turn to the receiver to enable the induced electromotive force in each to be observed. To determine the approximate angle of the cable, the coils G', G<2>, Fig. 5, may be connected to a second pair of coils K, K<1>, within which rotates a coil L connected to the amplifying and receiving apparatus and causing relative displacement between an index and scale. Bare wire loops may be employed as In wireless aerials, and means may be provided for giving a visible indication when a submarine cable is crossed.
GB77819A 1919-01-10 1919-01-10 Improvements in or relating to apparatus for the localisation of a submerged cable Expired GB166578A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB77819A GB166578A (en) 1919-01-10 1919-01-10 Improvements in or relating to apparatus for the localisation of a submerged cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB77819A GB166578A (en) 1919-01-10 1919-01-10 Improvements in or relating to apparatus for the localisation of a submerged cable

Publications (1)

Publication Number Publication Date
GB166578A true GB166578A (en) 1921-07-11

Family

ID=9710345

Family Applications (1)

Application Number Title Priority Date Filing Date
GB77819A Expired GB166578A (en) 1919-01-10 1919-01-10 Improvements in or relating to apparatus for the localisation of a submerged cable

Country Status (1)

Country Link
GB (1) GB166578A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3009525A (en) * 1955-12-08 1961-11-21 Liban Robert De Guidance systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3009525A (en) * 1955-12-08 1961-11-21 Liban Robert De Guidance systems

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