JPS5466166A - Position detecting method of moving object - Google Patents
Position detecting method of moving objectInfo
- Publication number
- JPS5466166A JPS5466166A JP13272777A JP13272777A JPS5466166A JP S5466166 A JPS5466166 A JP S5466166A JP 13272777 A JP13272777 A JP 13272777A JP 13272777 A JP13272777 A JP 13272777A JP S5466166 A JPS5466166 A JP S5466166A
- Authority
- JP
- Japan
- Prior art keywords
- moving object
- coil
- turns
- signal level
- pair
- 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
Links
Landscapes
- Traffic Control Systems (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
PURPOSE:To obtain more than two pieces of position information from one pair of conductors by forming at least one conductor in coil loop, and changing the number of turns successively according to a rule providing two or more combinations. CONSTITUTION:The position of a moving object is detected by receiving a signal transmitted from the transmitter attached to the moving object with a inductive radio line laid along the moving passage. The inductive radio pair consists of reference line 3 made from coil loop train having constant number of turns at pitch P, repeated array 30 of coil trains paired with 1, 2, and 3 turns of coil length P showing the first digit of ternary code, and repeated array 31...3n of coil trains becoming larer by three times each successively. The signal level of reference line 3 is compared with each reception signal level by a level discriminator 200'', and the position of the moving object is detected by sensing that the reception signal level in each conductor pair changes in two or more modes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13272777A JPS5466166A (en) | 1977-11-04 | 1977-11-04 | Position detecting method of moving object |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13272777A JPS5466166A (en) | 1977-11-04 | 1977-11-04 | Position detecting method of moving object |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5466166A true JPS5466166A (en) | 1979-05-28 |
JPS61563B2 JPS61563B2 (en) | 1986-01-09 |
Family
ID=15088166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13272777A Granted JPS5466166A (en) | 1977-11-04 | 1977-11-04 | Position detecting method of moving object |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5466166A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015093513A1 (en) * | 2013-12-20 | 2015-06-25 | 株式会社Ihi | Parking assistance apparatus and system |
-
1977
- 1977-11-04 JP JP13272777A patent/JPS5466166A/en active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015093513A1 (en) * | 2013-12-20 | 2015-06-25 | 株式会社Ihi | Parking assistance apparatus and system |
JP2015120378A (en) * | 2013-12-20 | 2015-07-02 | 株式会社Ihi | Parking assistance device and parking assistance system |
CN105593072A (en) * | 2013-12-20 | 2016-05-18 | 株式会社Ihi | Parking assistance apparatus and system |
US10562396B2 (en) | 2013-12-20 | 2020-02-18 | Ihi Corporation | Parking assistance apparatus and system |
Also Published As
Publication number | Publication date |
---|---|
JPS61563B2 (en) | 1986-01-09 |
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