JPS53106159A - Car detector ultrasonic type - Google Patents

Car detector ultrasonic type

Info

Publication number
JPS53106159A
JPS53106159A JP2175177A JP2175177A JPS53106159A JP S53106159 A JPS53106159 A JP S53106159A JP 2175177 A JP2175177 A JP 2175177A JP 2175177 A JP2175177 A JP 2175177A JP S53106159 A JPS53106159 A JP S53106159A
Authority
JP
Japan
Prior art keywords
ultrasonic type
car detector
detector ultrasonic
car
signals
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
JP2175177A
Other languages
Japanese (ja)
Other versions
JPS5634918B2 (en
Inventor
Takanori Kotake
Masakatsu Matsuzaki
Shintaro Kimura
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.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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 Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP2175177A priority Critical patent/JPS53106159A/en
Publication of JPS53106159A publication Critical patent/JPS53106159A/en
Publication of JPS5634918B2 publication Critical patent/JPS5634918B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Traffic Control Systems (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

PURPOSE: To judge and detect a car reliably without any influence from noises and ecores by using as judging signals the differential signals in the stable range of the received ultrasonic waves by an on-delay timer.
COPYRIGHT: (C)1978,JPO&Japio
JP2175177A 1977-02-28 1977-02-28 Car detector ultrasonic type Granted JPS53106159A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2175177A JPS53106159A (en) 1977-02-28 1977-02-28 Car detector ultrasonic type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2175177A JPS53106159A (en) 1977-02-28 1977-02-28 Car detector ultrasonic type

Publications (2)

Publication Number Publication Date
JPS53106159A true JPS53106159A (en) 1978-09-14
JPS5634918B2 JPS5634918B2 (en) 1981-08-13

Family

ID=12063758

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2175177A Granted JPS53106159A (en) 1977-02-28 1977-02-28 Car detector ultrasonic type

Country Status (1)

Country Link
JP (1) JPS53106159A (en)

Also Published As

Publication number Publication date
JPS5634918B2 (en) 1981-08-13

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