JPH0219439B2 - - Google Patents

Info

Publication number
JPH0219439B2
JPH0219439B2 JP27702484A JP27702484A JPH0219439B2 JP H0219439 B2 JPH0219439 B2 JP H0219439B2 JP 27702484 A JP27702484 A JP 27702484A JP 27702484 A JP27702484 A JP 27702484A JP H0219439 B2 JPH0219439 B2 JP H0219439B2
Authority
JP
Japan
Prior art keywords
time
section
wave
distance
signal
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.)
Expired
Application number
JP27702484A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61149881A (ja
Inventor
Masayuki Hayashi
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP27702484A priority Critical patent/JPS61149881A/ja
Publication of JPS61149881A publication Critical patent/JPS61149881A/ja
Publication of JPH0219439B2 publication Critical patent/JPH0219439B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP27702484A 1984-12-24 1984-12-24 車両用障害物検出装置 Granted JPS61149881A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP27702484A JPS61149881A (ja) 1984-12-24 1984-12-24 車両用障害物検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27702484A JPS61149881A (ja) 1984-12-24 1984-12-24 車両用障害物検出装置

Publications (2)

Publication Number Publication Date
JPS61149881A JPS61149881A (ja) 1986-07-08
JPH0219439B2 true JPH0219439B2 (https=) 1990-05-01

Family

ID=17577705

Family Applications (1)

Application Number Title Priority Date Filing Date
JP27702484A Granted JPS61149881A (ja) 1984-12-24 1984-12-24 車両用障害物検出装置

Country Status (1)

Country Link
JP (1) JPS61149881A (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050014051A (ko) * 2003-07-29 2005-02-07 안희태 초음파 신호에서 주파수 분리를 이용한 거리측정 방법 및장치
US11255588B2 (en) * 2018-08-03 2022-02-22 Hoshizaki America, Inc. Ultrasonic bin control in an ice machine

Also Published As

Publication number Publication date
JPS61149881A (ja) 1986-07-08

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