JPH0379672B2 - - Google Patents

Info

Publication number
JPH0379672B2
JPH0379672B2 JP1227183A JP1227183A JPH0379672B2 JP H0379672 B2 JPH0379672 B2 JP H0379672B2 JP 1227183 A JP1227183 A JP 1227183A JP 1227183 A JP1227183 A JP 1227183A JP H0379672 B2 JPH0379672 B2 JP H0379672B2
Authority
JP
Japan
Prior art keywords
obstacle
circuit
signal
ultrasonic
reference 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
JP1227183A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58154683A (ja
Inventor
Tadashi Tsuda
Seiichiro Hiramatsu
Takeshi Maeno
Mitsugi Ootsuka
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.)
Denso Corp
Original Assignee
NipponDenso 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 NipponDenso Co Ltd filed Critical NipponDenso Co Ltd
Priority to JP1227183A priority Critical patent/JPS58154683A/ja
Publication of JPS58154683A publication Critical patent/JPS58154683A/ja
Publication of JPH0379672B2 publication Critical patent/JPH0379672B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/04—Systems determining presence of a target

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP1227183A 1983-01-27 1983-01-27 障害物検出装置 Granted JPS58154683A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1227183A JPS58154683A (ja) 1983-01-27 1983-01-27 障害物検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1227183A JPS58154683A (ja) 1983-01-27 1983-01-27 障害物検出装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP55160979A Division JPS5784377A (en) 1980-11-14 1980-11-14 Device for detecting obstacle

Publications (2)

Publication Number Publication Date
JPS58154683A JPS58154683A (ja) 1983-09-14
JPH0379672B2 true JPH0379672B2 (enrdf_load_stackoverflow) 1991-12-19

Family

ID=11800698

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1227183A Granted JPS58154683A (ja) 1983-01-27 1983-01-27 障害物検出装置

Country Status (1)

Country Link
JP (1) JPS58154683A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6388478A (ja) * 1986-10-01 1988-04-19 Kubota Ltd 超音波測定装置
JPH02206783A (ja) * 1989-02-07 1990-08-16 Japan Radio Co Ltd 車両用衝突警報装置

Also Published As

Publication number Publication date
JPS58154683A (ja) 1983-09-14

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