JPS52140359A - Directional underwater receiver-transducer - Google Patents

Directional underwater receiver-transducer

Info

Publication number
JPS52140359A
JPS52140359A JP5663476A JP5663476A JPS52140359A JP S52140359 A JPS52140359 A JP S52140359A JP 5663476 A JP5663476 A JP 5663476A JP 5663476 A JP5663476 A JP 5663476A JP S52140359 A JPS52140359 A JP S52140359A
Authority
JP
Japan
Prior art keywords
transducer
underwater receiver
directional underwater
directional
vibrating
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
JP5663476A
Other languages
Japanese (ja)
Other versions
JPS5623358B2 (en
Inventor
Susumu Matsuzaki
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP5663476A priority Critical patent/JPS52140359A/en
Publication of JPS52140359A publication Critical patent/JPS52140359A/en
Publication of JPS5623358B2 publication Critical patent/JPS5623358B2/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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

PURPOSE:To obtain an excellent receiving sensitivity by attaching a vibrating plate whose acoustic impedance is smaller than that of water and whose specific gravity is 1 or less than 1 to a magnet and by vibrating the field of the magnetiwith a moving coil.
JP5663476A 1976-05-19 1976-05-19 Directional underwater receiver-transducer Granted JPS52140359A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5663476A JPS52140359A (en) 1976-05-19 1976-05-19 Directional underwater receiver-transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5663476A JPS52140359A (en) 1976-05-19 1976-05-19 Directional underwater receiver-transducer

Publications (2)

Publication Number Publication Date
JPS52140359A true JPS52140359A (en) 1977-11-22
JPS5623358B2 JPS5623358B2 (en) 1981-05-30

Family

ID=13032738

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5663476A Granted JPS52140359A (en) 1976-05-19 1976-05-19 Directional underwater receiver-transducer

Country Status (1)

Country Link
JP (1) JPS52140359A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60107181U (en) * 1983-12-23 1985-07-20 松下電工株式会社 Structure of the hot water tank of the local cleaning device
JPH018613Y2 (en) * 1986-06-26 1989-03-08

Also Published As

Publication number Publication date
JPS5623358B2 (en) 1981-05-30

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