[go: up one dir, main page]

JPS5271196A - Detection of vehicle traffic number - Google Patents

Detection of vehicle traffic number

Info

Publication number
JPS5271196A
JPS5271196A JP50147088A JP14708875A JPS5271196A JP S5271196 A JPS5271196 A JP S5271196A JP 50147088 A JP50147088 A JP 50147088A JP 14708875 A JP14708875 A JP 14708875A JP S5271196 A JPS5271196 A JP S5271196A
Authority
JP
Japan
Prior art keywords
detection
vehicle traffic
traffic number
brightness
taffic
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
JP50147088A
Other languages
Japanese (ja)
Inventor
Kaoru Murakami
Shoichiro Takayama
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP50147088A priority Critical patent/JPS5271196A/en
Publication of JPS5271196A publication Critical patent/JPS5271196A/en
Pending legal-status Critical Current

Links

Landscapes

  • Geophysics And Detection Of Objects (AREA)
  • Traffic Control Systems (AREA)

Abstract

PURPOSE: Number of passing vehicles is counted and the detection errors even during taffic jam are reduced by monitoring the brightness on roads and detecting the changes in the brightness of vehicle passage.
COPYRIGHT: (C)1977,JPO&Japio
JP50147088A 1975-12-10 1975-12-10 Detection of vehicle traffic number Pending JPS5271196A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50147088A JPS5271196A (en) 1975-12-10 1975-12-10 Detection of vehicle traffic number

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50147088A JPS5271196A (en) 1975-12-10 1975-12-10 Detection of vehicle traffic number

Publications (1)

Publication Number Publication Date
JPS5271196A true JPS5271196A (en) 1977-06-14

Family

ID=15422186

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50147088A Pending JPS5271196A (en) 1975-12-10 1975-12-10 Detection of vehicle traffic number

Country Status (1)

Country Link
JP (1) JPS5271196A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6249598A (en) * 1985-08-29 1987-03-04 Hochiki Corp Mobile body quantity measuring instrument
JP2002178062A (en) * 2000-12-18 2002-06-25 Sanyo Mach Works Ltd Portable sheet metal joining device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6249598A (en) * 1985-08-29 1987-03-04 Hochiki Corp Mobile body quantity measuring instrument
JPH0525156B2 (en) * 1985-08-29 1993-04-12 Hoochiki Kk
JP2002178062A (en) * 2000-12-18 2002-06-25 Sanyo Mach Works Ltd Portable sheet metal joining device

Similar Documents

Publication Publication Date Title
JPS5244662A (en) Vehicle position indicating device
JPS5226900A (en) Traffic violation detecting system
JPS5271196A (en) Detection of vehicle traffic number
JPS5216932A (en) Indication method for cash register
JPS5271197A (en) Vehicle traffic number detector
JPS5210700A (en) Trafic information analysing device
JPS5220899A (en) Coin conveying error detection system
JPS5217045A (en) Vehicle detecting system
JPS5427137A (en) Traffic information treating and indicating system for vehicle
JPS5319000A (en) Traffic accident detector in expressways
JPS5312218A (en) Automatic detection range setting circuit
JPS52154400A (en) Vehicle monitor apparatus
JPS5251897A (en) Method and apparatus for measuring traffic information
JPS5242746A (en) Process for assorting the kind of automobiles
JPS51126885A (en) Inflation pressure detecting apparatus
JPS5248786A (en) Information device of the accident cars in a travelling road
JPS522930A (en) Warning indicator system for vehicle
JPS5217046A (en) Vehicle length detecting system
JPS52128168A (en) Car type discrimination device
JPS5217064A (en) Vehicle and speed detector unit
JPS5325479A (en) Counting apparatus for number of vehicles
JPS51128599A (en) Unlawful passage preuenting system
JPS5322397A (en) Traffic infor mation measuring system
JPS51123098A (en) Passing vehicle detecting device
JPS5426759A (en) Passage discrimanating system for passengers and vehicles