JPS6118146B2 - - Google Patents

Info

Publication number
JPS6118146B2
JPS6118146B2 JP49127793A JP12779374A JPS6118146B2 JP S6118146 B2 JPS6118146 B2 JP S6118146B2 JP 49127793 A JP49127793 A JP 49127793A JP 12779374 A JP12779374 A JP 12779374A JP S6118146 B2 JPS6118146 B2 JP S6118146B2
Authority
JP
Japan
Prior art keywords
wave
detected
present
level
transmitter
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
JP49127793A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5153842A (en:Method
Inventor
Hisayoshi Ueno
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.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP49127793A priority Critical patent/JPS6118146B2/ja
Publication of JPS5153842A publication Critical patent/JPS5153842A/ja
Publication of JPS6118146B2 publication Critical patent/JPS6118146B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Control Of Metal Rolling (AREA)
  • Traffic Control Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Sorting Of Articles (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Radar Systems Or Details Thereof (AREA)
JP49127793A 1974-11-06 1974-11-06 Expired JPS6118146B2 (en:Method)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP49127793A JPS6118146B2 (en:Method) 1974-11-06 1974-11-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49127793A JPS6118146B2 (en:Method) 1974-11-06 1974-11-06

Publications (2)

Publication Number Publication Date
JPS5153842A JPS5153842A (en:Method) 1976-05-12
JPS6118146B2 true JPS6118146B2 (en:Method) 1986-05-10

Family

ID=14968804

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49127793A Expired JPS6118146B2 (en:Method) 1974-11-06 1974-11-06

Country Status (1)

Country Link
JP (1) JPS6118146B2 (en:Method)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63188039U (en:Method) * 1987-05-26 1988-12-01
JPH0322152U (en:Method) * 1989-07-14 1991-03-06

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001188990A (ja) * 1999-12-28 2001-07-10 Exnos Corp 車両センサ
JP2005182631A (ja) * 2003-12-22 2005-07-07 Mitsubishi Electric Corp 移動体情報検出システム
JP4828815B2 (ja) * 2004-10-06 2011-11-30 日本信号株式会社 金属位置検出器
JP5080937B2 (ja) * 2007-10-30 2012-11-21 Ｎｅｃトーキン株式会社 リーダライタ及びゲートシステム

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63188039U (en:Method) * 1987-05-26 1988-12-01
JPH0322152U (en:Method) * 1989-07-14 1991-03-06

Also Published As

Publication number Publication date
JPS5153842A (en:Method) 1976-05-12

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