GB1465932A - Sound reflective elements - Google Patents

Sound reflective elements

Info

Publication number
GB1465932A
GB1465932A GB3389074A GB3389074A GB1465932A GB 1465932 A GB1465932 A GB 1465932A GB 3389074 A GB3389074 A GB 3389074A GB 3389074 A GB3389074 A GB 3389074A GB 1465932 A GB1465932 A GB 1465932A
Authority
GB
United Kingdom
Prior art keywords
wires
lattice
sound
crossed
reflectors
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
GB3389074A
Other languages
English (en)
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.)
Ministère des Armées
Original Assignee
Ministère de la Défense
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 Ministère de la Défense filed Critical Ministère de la Défense
Publication of GB1465932A publication Critical patent/GB1465932A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/20—Reflecting arrangements
    • G10K11/205—Reflecting arrangements for underwater use

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aerials With Secondary Devices (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB3389074A 1973-08-16 1974-07-31 Sound reflective elements Expired GB1465932A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7329805A FR2240813B1 (cg-RX-API-DMAC7.html) 1973-08-16 1973-08-16

Publications (1)

Publication Number Publication Date
GB1465932A true GB1465932A (en) 1977-03-02

Family

ID=9124019

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3389074A Expired GB1465932A (en) 1973-08-16 1974-07-31 Sound reflective elements

Country Status (4)

Country Link
US (1) US3901352A (cg-RX-API-DMAC7.html)
DE (1) DE2435336A1 (cg-RX-API-DMAC7.html)
FR (1) FR2240813B1 (cg-RX-API-DMAC7.html)
GB (1) GB1465932A (cg-RX-API-DMAC7.html)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2204217A (en) * 1987-05-02 1988-11-02 Gec Avionics Acoustic reflector
GB2458810A (en) * 2008-04-01 2009-10-07 Secr Defence Tunable acoustic reflector which constructively combines and reflects two separate incident acoustic wave paths
US8077539B2 (en) 2005-01-14 2011-12-13 The Secretary Of State For Defence Acoustic reflector
US8162098B2 (en) 2008-04-02 2012-04-24 The Secretary Of State For Defence Tunable acoustic reflector
CN110580896A (zh) * 2019-08-29 2019-12-17 罗家骏 一种水下真空角反射器

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2307276A1 (fr) * 1975-04-11 1976-11-05 France Etat Hydrophone avec reflecteur acoustique
FR2344199A1 (fr) * 1976-03-08 1977-10-07 France Etat Antennes acoustiques a large bande passante
FR2420773A1 (fr) * 1978-03-23 1979-10-19 France Etat Reflecteur acoustique immerge et procede de fabrication
FR2536195A1 (fr) * 1982-11-17 1984-05-18 Sintra Alcatel Sa Reflecteur acoustique sous-marin
FR2539541B1 (fr) * 1983-01-19 1986-09-19 Thomson Csf Dispositif a interface reflectrice d'ondes acoustiques
US4674595A (en) * 1985-11-20 1987-06-23 The United States Of America As Represented By The Secretary Of The Navy Underwater acoustic pressure release baffle for depths to 2000 feet
RU2138858C1 (ru) * 1998-08-17 1999-09-27 Центральный научно-исследовательский институт имени академика А.Н.Крылова Подводный акустический экран
EP2419899B1 (en) 2009-06-25 2020-06-24 Defence Research And Development Organisation An acoustic energy reflector
RU2566388C2 (ru) * 2010-07-16 2015-10-27 Сабси Ассет Локейшн Текнолоджис Лимитед Акустические рефлекторы
US8857368B2 (en) 2011-09-21 2014-10-14 The Boeing Company Aircraft location system for locating aircraft in water environments
EP3570560B1 (en) * 2017-04-26 2021-01-20 Dalian University Of Technology Broadband ultrathin sound wave diffusion structure
CN111928736B (zh) * 2020-06-18 2022-11-11 天津科技大学 一种原位自膨胀水下伪装体

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1974951A (en) * 1929-11-18 1934-09-25 Doorentz Richard Sound damping intermediate layer for ceilings, walls, and the like
US2811216A (en) * 1954-04-28 1957-10-29 Harris Transducer Corp Acoustic baffle construction
US2884084A (en) * 1954-10-28 1959-04-28 Sussman Harry Acoustic panel
US3756345A (en) * 1972-02-10 1973-09-04 Honeywell Inc Underwater acoustic device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2204217A (en) * 1987-05-02 1988-11-02 Gec Avionics Acoustic reflector
GB2204217B (en) * 1987-05-02 1990-05-23 Gec Avionics Acoustic reflector
US8077539B2 (en) 2005-01-14 2011-12-13 The Secretary Of State For Defence Acoustic reflector
GB2458810A (en) * 2008-04-01 2009-10-07 Secr Defence Tunable acoustic reflector which constructively combines and reflects two separate incident acoustic wave paths
GB2458810B (en) * 2008-04-01 2010-05-05 Secr Defence Acoustic reflector
US8162098B2 (en) 2008-04-02 2012-04-24 The Secretary Of State For Defence Tunable acoustic reflector
CN110580896A (zh) * 2019-08-29 2019-12-17 罗家骏 一种水下真空角反射器

Also Published As

Publication number Publication date
US3901352A (en) 1975-08-26
DE2435336A1 (de) 1975-03-06
FR2240813B1 (cg-RX-API-DMAC7.html) 1976-04-30
FR2240813A1 (cg-RX-API-DMAC7.html) 1975-03-14

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee