JPS6336477B2 - - Google Patents

Info

Publication number
JPS6336477B2
JPS6336477B2 JP56141749A JP14174981A JPS6336477B2 JP S6336477 B2 JPS6336477 B2 JP S6336477B2 JP 56141749 A JP56141749 A JP 56141749A JP 14174981 A JP14174981 A JP 14174981A JP S6336477 B2 JPS6336477 B2 JP S6336477B2
Authority
JP
Japan
Prior art keywords
ultrasonic
sound
distance
band noise
output
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
JP56141749A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5844370A (ja
Inventor
Jun Furubayashi
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.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP56141749A priority Critical patent/JPS5844370A/ja
Publication of JPS5844370A publication Critical patent/JPS5844370A/ja
Publication of JPS6336477B2 publication Critical patent/JPS6336477B2/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
    • G01S15/88—Sonar systems specially adapted for specific applications

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Rehabilitation Tools (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP56141749A 1981-09-10 1981-09-10 盲人用歩行補助のための超音波バンドノイズレ−ダによる距離認識方法 Granted JPS5844370A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56141749A JPS5844370A (ja) 1981-09-10 1981-09-10 盲人用歩行補助のための超音波バンドノイズレ−ダによる距離認識方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56141749A JPS5844370A (ja) 1981-09-10 1981-09-10 盲人用歩行補助のための超音波バンドノイズレ−ダによる距離認識方法

Publications (2)

Publication Number Publication Date
JPS5844370A JPS5844370A (ja) 1983-03-15
JPS6336477B2 true JPS6336477B2 (enrdf_load_html_response) 1988-07-20

Family

ID=15299298

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56141749A Granted JPS5844370A (ja) 1981-09-10 1981-09-10 盲人用歩行補助のための超音波バンドノイズレ−ダによる距離認識方法

Country Status (1)

Country Link
JP (1) JPS5844370A (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62285087A (ja) * 1986-06-03 1987-12-10 Yoshio Nakamura 盲人用超音波探知器
US8120521B2 (en) * 2003-10-28 2012-02-21 Preco Electronics, Inc. Radar echolocater with audio output

Also Published As

Publication number Publication date
JPS5844370A (ja) 1983-03-15

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