JPS6224376U - - Google Patents

Info

Publication number
JPS6224376U
JPS6224376U JP11704685U JP11704685U JPS6224376U JP S6224376 U JPS6224376 U JP S6224376U JP 11704685 U JP11704685 U JP 11704685U JP 11704685 U JP11704685 U JP 11704685U JP S6224376 U JPS6224376 U JP S6224376U
Authority
JP
Japan
Prior art keywords
parametric
transmitter
wave
filter
utility
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
JP11704685U
Other languages
Japanese (ja)
Other versions
JPH0140069Y2 (en
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 filed Critical
Priority to JP1985117046U priority Critical patent/JPH0140069Y2/ja
Publication of JPS6224376U publication Critical patent/JPS6224376U/ja
Application granted granted Critical
Publication of JPH0140069Y2 publication Critical patent/JPH0140069Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図面は、この考案のパラメトリツク送波装置の
１実施例の概略図である。 １……パラメトリツク送波器、３……送波路、
６……気泡。 The drawing is a schematic diagram of one embodiment of the parametric transmitter of this invention. 1... Parametric transmitter, 3... Wave transmission path,
6...Bubbles.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 水中に設けられたパラメトリツク送波器の送波
路にフイルタ用の気泡を形成したパラメトリツク
送波装置。 A parametric wave transmitter in which air bubbles for a filter are formed in the wave path of a parametric transmitter installed underwater.
JP1985117046U 1985-07-29 1985-07-29 Expired JPH0140069Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985117046U JPH0140069Y2 (en) 1985-07-29 1985-07-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985117046U JPH0140069Y2 (en) 1985-07-29 1985-07-29

Publications (2)

Publication Number Publication Date
JPS6224376U true JPS6224376U (en) 1987-02-14
JPH0140069Y2 JPH0140069Y2 (en) 1989-12-01

Family

ID=31002201

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985117046U Expired JPH0140069Y2 (en) 1985-07-29 1985-07-29

Country Status (1)

Country Link
JP (1) JPH0140069Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023141978A (en) * 2022-03-24 2023-10-05 国立研究開発法人 海上・港湾・航空技術研究所 Method for reducing the effect of acoustic reflection in an acoustic communication test or acoustic positioning test in an aquarium, method for evaluating the effect of acoustic reflection, and system for reducing the effect of acoustic reflection

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4320474A (en) * 1980-11-24 1982-03-16 The United States Of America As Represented By The Secretary Of The Navy Saturation limited parametric sonar source

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4320474A (en) * 1980-11-24 1982-03-16 The United States Of America As Represented By The Secretary Of The Navy Saturation limited parametric sonar source

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023141978A (en) * 2022-03-24 2023-10-05 国立研究開発法人 海上・港湾・航空技術研究所 Method for reducing the effect of acoustic reflection in an acoustic communication test or acoustic positioning test in an aquarium, method for evaluating the effect of acoustic reflection, and system for reducing the effect of acoustic reflection

Also Published As

Publication number Publication date
JPH0140069Y2 (en) 1989-12-01

Similar Documents

Publication Publication Date Title
JPS62138082U (en)
JPS61109937U (en)
JPS63129539U (en)
JPS6217865U (en)
JPS6275076U (en)
JPS62202290U (en)
JPS61125385U (en)
JPS61138928U (en)
JPS6178060U (en)
JPS6213443U (en)
JPS6330416U (en)
JPS6190774U (en)
JPS62137624U (en)
JPS6356551U (en)
JPS62103381U (en)
JPS607745U (en) Insulated hydroponic tank
JPS62191292U (en)
JPS61112491U (en)
JPS608757U (en) bathtub with faucet
JPS6162194U (en)
JPS6188308U (en)
JPS62142298U (en)
JPH0175280U (en)
JPS61198250U (en)
JPS6445875U (en)