JPS6177773A - 超音波方位センサ - Google Patents

超音波方位センサ

Info

Publication number
JPS6177773A
JPS6177773A JP19991684A JP19991684A JPS6177773A JP S6177773 A JPS6177773 A JP S6177773A JP 19991684 A JP19991684 A JP 19991684A JP 19991684 A JP19991684 A JP 19991684A JP S6177773 A JPS6177773 A JP S6177773A
Authority
JP
Japan
Prior art keywords
vibrators
phase
azimuth
detected
vibrator
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
JP19991684A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0436351B2 (en]
Inventor
Naoya Azuma
直哉 東
Hironobu Inoue
博允 井上
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 JP19991684A priority Critical patent/JPS6177773A/ja
Publication of JPS6177773A publication Critical patent/JPS6177773A/ja
Publication of JPH0436351B2 publication Critical patent/JPH0436351B2/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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/802—Systems for determining direction or deviation from predetermined direction
    • G01S3/808—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP19991684A 1984-09-25 1984-09-25 超音波方位センサ Granted JPS6177773A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19991684A JPS6177773A (ja) 1984-09-25 1984-09-25 超音波方位センサ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19991684A JPS6177773A (ja) 1984-09-25 1984-09-25 超音波方位センサ

Publications (2)

Publication Number Publication Date
JPS6177773A true JPS6177773A (ja) 1986-04-21
JPH0436351B2 JPH0436351B2 (en]) 1992-06-15

Family

ID=16415729

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19991684A Granted JPS6177773A (ja) 1984-09-25 1984-09-25 超音波方位センサ

Country Status (1)

Country Link
JP (1) JPS6177773A (en])

Also Published As

Publication number Publication date
JPH0436351B2 (en]) 1992-06-15

Similar Documents

Publication Publication Date Title
US4885781A (en) Frequency-selective sound transducer
US5767608A (en) Surface acoustic wave device for sensing a touch-position
US5994817A (en) Ultrasonic touch-position sensing device
US7053529B2 (en) Torsional acoustic wave sensor
US6060812A (en) Ultrasonic touch-position sensing device
JPS6177773A (ja) 超音波方位センサ
US5771206A (en) Elastic wave device for sensing a touch-position
JPH0244223Y2 (en])
US5798597A (en) Surface acoustic wave device for sensing a touch-position
US5767604A (en) Elastic wave device for sensing a touch-position
US20030019669A1 (en) Ultrasonic touch-position sensing system
JPS61218970A (ja) 超音波方位センサ
JPH0219432B2 (en])
JPH0560551B2 (en])
GB1419111A (en) Photoelectric transducer
JPS6180024A (ja) 表面弾性波圧力センサ
JPH04151508A (ja) 超音波式傾斜計
JPS6459010A (en) Position detecting device
JP2000028443A (ja) 圧力センサ
JP2894934B2 (ja) 超音波受信装置
JPS62194637A (ja) マ−ク位置検出方法
JPH0426278B2 (en])
SU1598107A1 (ru) Амплитудный детектор
SU1402986A1 (ru) Трехкомпонентный пьезоэлектрический датчик
JPH06117925A (ja) 差出力型デュアルツイン焦電検出器