Title:
POSITION SPECIFICATION SYSTEM
Document Type and Number:
Japanese Patent JP2011117955
Kind Code:
A
Abstract:
To obtain inexpensively a position specification system, capable of specifying with high accuracy the position of a start point signal transmission means.
The system includes a start point signal transmission means 101 for allowing a radio signal containing a start point signal for being intermittent as a burst signal; a plurality of relay means 102a-102d for relaying or retransmitting the radio signal containing the start point signal in allocated time slot in time division by using identical frequency; and a position specification means 103 for receiving a radio signal from the start point signal transmission means 101, the plurality of relay means 102a-102d or both, for specifying the position.
Inventors:
KONO MITSUNORI
TAKEUCHI YASUNORI
KONO KIMINORI
TAKEUCHI YASUNORI
KONO KIMINORI
Application Number:
JP2010245275A
Publication Date:
June 16, 2011
Filing Date:
November 01, 2010
Export Citation:
Assignee:
CHUGOKU ELECTRIC POWER
RCS KK
RCS KK
International Classes:
G01S5/02; G01S5/06; G01S5/10; H04W64/00
Domestic Patent References:
| JP2011039020A | 2011-02-24 | |||
| JP2011147107A | 2011-07-28 | |||
| JPH063428A | 1994-01-11 | |||
| JPS5255493A | 1977-05-06 | |||
| JPS51126851A | 1976-11-05 | |||
| JPS5126491A | 1976-03-04 | |||
| JPS51131286A | 1976-11-15 |
Foreign References:
| WO2011062098A1 | 2011-05-26 |
Attorney, Agent or Firm:
Isshiki International Patent Service Corporation