JPS57130198A - Tracking system - Google Patents

Tracking system

Info

Publication number
JPS57130198A
JPS57130198A JP56012913A JP1291381A JPS57130198A JP S57130198 A JPS57130198 A JP S57130198A JP 56012913 A JP56012913 A JP 56012913A JP 1291381 A JP1291381 A JP 1291381A JP S57130198 A JPS57130198 A JP S57130198A
Authority
JP
Japan
Prior art keywords
tracking system
tracking
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.)
Pending
Application number
JP56012913A
Other languages
Japanese (ja)
Inventor
Toshio Hiraishi
Mitsuo Kawaji
Toshio Usui
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP56012913A priority Critical patent/JPS57130198A/en
Publication of JPS57130198A publication Critical patent/JPS57130198A/en
Pending legal-status Critical Current

Links

Landscapes

  • Geophysics And Detection Of Objects (AREA)
  • Emergency Alarm Devices (AREA)
JP56012913A 1981-02-02 1981-02-02 Tracking system Pending JPS57130198A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56012913A JPS57130198A (en) 1981-02-02 1981-02-02 Tracking system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56012913A JPS57130198A (en) 1981-02-02 1981-02-02 Tracking system

Publications (1)

Publication Number Publication Date
JPS57130198A true JPS57130198A (en) 1982-08-12

Family

ID=11818582

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56012913A Pending JPS57130198A (en) 1981-02-02 1981-02-02 Tracking system

Country Status (1)

Country Link
JP (1) JPS57130198A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62245179A (en) * 1986-04-17 1987-10-26 Shimizu Constr Co Ltd Monitor and alarm system for in-site work
JP2015200142A (en) * 2014-04-10 2015-11-12 三菱電機ビルテクノサービス株式会社 Invasion detection system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62245179A (en) * 1986-04-17 1987-10-26 Shimizu Constr Co Ltd Monitor and alarm system for in-site work
JP2015200142A (en) * 2014-04-10 2015-11-12 三菱電機ビルテクノサービス株式会社 Invasion detection system

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