JPH0151943B2 - - Google Patents

Info

Publication number
JPH0151943B2
JPH0151943B2 JP59137464A JP13746484A JPH0151943B2 JP H0151943 B2 JPH0151943 B2 JP H0151943B2 JP 59137464 A JP59137464 A JP 59137464A JP 13746484 A JP13746484 A JP 13746484A JP H0151943 B2 JPH0151943 B2 JP H0151943B2
Authority
JP
Japan
Prior art keywords
vehicle
oscillation frequency
counter
data
detection means
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
JP59137464A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6117085A (ja
Inventor
Tamotsu Ishida
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP59137464A priority Critical patent/JPS6117085A/ja
Publication of JPS6117085A publication Critical patent/JPS6117085A/ja
Publication of JPH0151943B2 publication Critical patent/JPH0151943B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/101—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP59137464A 1984-07-03 1984-07-03 車輌ゲ−ト装置における車輌感知方法 Granted JPS6117085A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59137464A JPS6117085A (ja) 1984-07-03 1984-07-03 車輌ゲ−ト装置における車輌感知方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59137464A JPS6117085A (ja) 1984-07-03 1984-07-03 車輌ゲ−ト装置における車輌感知方法

Publications (2)

Publication Number Publication Date
JPS6117085A JPS6117085A (ja) 1986-01-25
JPH0151943B2 true JPH0151943B2 (2) 1989-11-07

Family

ID=15199213

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59137464A Granted JPS6117085A (ja) 1984-07-03 1984-07-03 車輌ゲ−ト装置における車輌感知方法

Country Status (1)

Country Link
JP (1) JPS6117085A (2)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5401110B2 (ja) * 2008-02-04 2014-01-29 東京理学検査株式会社 位置計測方法

Also Published As

Publication number Publication date
JPS6117085A (ja) 1986-01-25

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term