Title:
POSITION DETECTING SYSTEM
Document Type and Number:
Japanese Patent JPS5255554
Kind Code:
A
Abstract:
PURPOSE: Loop antennas are fixed to a moving body so that reception levels above a fixed level are always maintained at portions other than the points of connection of leaking coaxial cables, whereby the passage of the moving body along the point of the connection that becomes a fixed point may be detected from the lowering of the level at the point of the connection even if no other equipment is provided on the ground.
More Like This:
JPH10185601 | POSITION DETECTING DEVICE |
Inventors:
SONE FUMIKI
Application Number:
JP13099775A
Publication Date:
May 07, 1977
Filing Date:
October 31, 1975
Export Citation:
Assignee:
HITACHI CABLE
International Classes:
G01C22/00; B61L25/02; G01B7/00; G01S1/00; (IPC1-7): G01B7/02; G01S1/00
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