[go: up one dir, main page]

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

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

Similar Documents

Publication Publication Date Title
JPS53120295A (en) Subject discrimination device
JPS53106159A (en) Car detector ultrasonic type
JPS5243453A (en) Ultrasonic detector
JPS53140088A (en) Flaw detection using eddy current
JPS5210170A (en) Liquid surface detector
JPS53102773A (en) Ultrasonic type vehicle detector
JPS5443012A (en) Amplitude envelope detector of signal waves
JPS5217064A (en) Vehicle and speed detector unit
JPS5418788A (en) Method and apparatus for detecting of ultrasonic wave signals
JPS5269657A (en) Detection of position of welded portion of austenitic stainless steel
JPS5441783A (en) Method and apparatus for detection of ultrasonic wave receiving signals
JPS5224100A (en) Invasion alarm device
JPS5523410A (en) Velocity detector
JPS5347775A (en) Alignment device
JPS53148253A (en) Sequence check circuit
JPS5212887A (en) Fluid leak detecting system
JPS5364087A (en) Can tester
JPS5266212A (en) System for continuously detecting train with inductive line
JPS5391764A (en) Moving direction detector
JPS5395674A (en) High sensitivity signal detection system
JPS546594A (en) Numerical value controlling ultrasonic flaw detecting system
JPS5394850A (en) Noise pulse supression device
JPS5360688A (en) Ultrasonic flaw detection
JPS533276A (en) Pulse detecting apparatus
JPS5437475A (en) Transient state detecting device