JPS6118703B2 - - Google Patents

Info

Publication number
JPS6118703B2
JPS6118703B2 JP15023277A JP15023277A JPS6118703B2 JP S6118703 B2 JPS6118703 B2 JP S6118703B2 JP 15023277 A JP15023277 A JP 15023277A JP 15023277 A JP15023277 A JP 15023277A JP S6118703 B2 JPS6118703 B2 JP S6118703B2
Authority
JP
Japan
Prior art keywords
transducer
pressure gradient
sound
converters
difference
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
JP15023277A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5482262A (en
Inventor
Akira Kameyama
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.)
NEC Corp
Original Assignee
Nippon Electric 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP15023277A priority Critical patent/JPS5482262A/ja
Publication of JPS5482262A publication Critical patent/JPS5482262A/ja
Publication of JPS6118703B2 publication Critical patent/JPS6118703B2/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
JP15023277A 1977-12-13 1977-12-13 Electro-acoustic transducer for bearing measurement Granted JPS5482262A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15023277A JPS5482262A (en) 1977-12-13 1977-12-13 Electro-acoustic transducer for bearing measurement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15023277A JPS5482262A (en) 1977-12-13 1977-12-13 Electro-acoustic transducer for bearing measurement

Publications (2)

Publication Number Publication Date
JPS5482262A JPS5482262A (en) 1979-06-30
JPS6118703B2 true JPS6118703B2 (enrdf_load_html_response) 1986-05-14

Family

ID=15492429

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15023277A Granted JPS5482262A (en) 1977-12-13 1977-12-13 Electro-acoustic transducer for bearing measurement

Country Status (1)

Country Link
JP (1) JPS5482262A (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4011395B2 (ja) * 2002-05-10 2007-11-21 株式会社ケンウッド マイクロホン装置および音源方向判定装置

Also Published As

Publication number Publication date
JPS5482262A (en) 1979-06-30

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