JPS52143796A - Traffic jam detection system - Google Patents

Traffic jam detection system

Info

Publication number
JPS52143796A
JPS52143796A JP6045976A JP6045976A JPS52143796A JP S52143796 A JPS52143796 A JP S52143796A JP 6045976 A JP6045976 A JP 6045976A JP 6045976 A JP6045976 A JP 6045976A JP S52143796 A JPS52143796 A JP S52143796A
Authority
JP
Japan
Prior art keywords
detection system
traffic jam
jam detection
photoelectric converting
converting elements
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
Application number
JP6045976A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5747479B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Kiyoko Shigeta
Naotake Ooyama
Toshinori Matsumoto
Koji Imai
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.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP6045976A priority Critical patent/JPS52143796A/ja
Publication of JPS52143796A publication Critical patent/JPS52143796A/ja
Publication of JPS5747479B2 publication Critical patent/JPS5747479B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Traffic Control Systems (AREA)
JP6045976A 1976-05-25 1976-05-25 Traffic jam detection system Granted JPS52143796A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6045976A JPS52143796A (en) 1976-05-25 1976-05-25 Traffic jam detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6045976A JPS52143796A (en) 1976-05-25 1976-05-25 Traffic jam detection system

Publications (2)

Publication Number Publication Date
JPS52143796A true JPS52143796A (en) 1977-11-30
JPS5747479B2 JPS5747479B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-10-09

Family

ID=13142860

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6045976A Granted JPS52143796A (en) 1976-05-25 1976-05-25 Traffic jam detection system

Country Status (1)

Country Link
JP (1) JPS52143796A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4837012A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-09-14 1973-05-31
JPS503597A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-05-14 1975-01-14

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4837012A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-09-14 1973-05-31
JPS503597A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-05-14 1975-01-14

Also Published As

Publication number Publication date
JPS5747479B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-10-09

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