GB1296695A - - Google Patents

Info

Publication number
GB1296695A
GB1296695A GB1296695DA GB1296695A GB 1296695 A GB1296695 A GB 1296695A GB 1296695D A GB1296695D A GB 1296695DA GB 1296695 A GB1296695 A GB 1296695A
Authority
GB
United Kingdom
Prior art keywords
membrane
liquid
cavity
mesh
filled cavity
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
Other languages
English (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
Publication of GB1296695A publication Critical patent/GB1296695A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods 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
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Combined Devices Of Dampers And Springs (AREA)
GB1296695D 1968-11-30 1969-11-28 Expired GB1296695A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681811998 DE1811998A1 (de) 1968-11-30 1968-11-30 Absorptionsschicht fuer die Schallwellen in Fluessigkeiten

Publications (1)

Publication Number Publication Date
GB1296695A true GB1296695A (enExample) 1972-11-15

Family

ID=5714853

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1296695D Expired GB1296695A (enExample) 1968-11-30 1969-11-28

Country Status (4)

Country Link
US (1) US3647022A (enExample)
DE (1) DE1811998A1 (enExample)
FR (1) FR2024969A1 (enExample)
GB (1) GB1296695A (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1605452A (en) * 1973-12-07 2007-08-01 Secr Defence Acoustic wave absorbing device
US3908790A (en) * 1974-08-29 1975-09-30 Us Navy Sonar dome window damping and application procedure
EP0078649A1 (en) * 1981-10-27 1983-05-11 Avon Industrial Polymers Limited Isolation pads
DE3317103C2 (de) * 1983-05-10 1986-08-07 Metzeler Kautschuk GmbH, 8000 München Mitschwingender, volumenändernder Resonator in Form eines Silators
DE3440747A1 (de) * 1984-11-08 1986-05-07 Honeywell-Elac-Nautik Gmbh, 2300 Kiel Akustischer daemmkoerper, insbesondere fuer unterwasser-schallanlagen
US4821243A (en) * 1987-05-01 1989-04-11 The B.F. Goodrich Company Low pressure acoustic reflector for conformal arrays
US5210720A (en) * 1987-05-20 1993-05-11 The B. F. Goodrich Company Compliant tube baffle
USD362311S (en) 1993-09-23 1995-09-12 Michael Cataldo Building component for a noise barrier retaining wall
FR2720590B1 (fr) * 1994-05-31 1996-06-28 Thomson Csf Antenne acoustique passive absorbante.
US6234136B1 (en) 2000-02-22 2001-05-22 Ford Global Technologies, Inc. Noise reducing oil pan for automotive engine
DE102008017418B4 (de) * 2008-04-03 2010-08-19 Gottfried Wilhelm Leibniz Universität Hannover Vorrichtung zur Reduzierung der Übertragung und Ausbreitung von Schall und/oder Wellenbewegungen in einer Flüssigkeit
EP3324403B1 (en) * 2016-11-17 2019-06-12 Autoneum Management AG Automotive noise attenuating trim part with acoustically decoupling foam
CN107610688B (zh) * 2017-09-05 2024-04-26 同济大学 一种腔管复合隔声结构
CN114648972B (zh) * 2020-12-18 2025-10-24 香港大学浙江科学技术研究院 吸声结构和吸声装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2270902A (en) * 1939-11-25 1942-01-27 George A Rubissow Antivibration means and method of use of same
GB810505A (en) * 1955-06-21 1959-03-18 Walter Wiederhold Process for the production of a sound-absorbing layer on immersed walls at the boundary surfaces of liquids
US3078948A (en) * 1959-12-17 1963-02-26 Koppers Co Inc Acoustical panel
US3130700A (en) * 1960-04-29 1964-04-28 Robert E Peterson Vibration and mechanical wave damping
US3298457A (en) * 1964-12-21 1967-01-17 Lord Corp Acoustical barrier treatment

Also Published As

Publication number Publication date
FR2024969A1 (enExample) 1970-09-04
US3647022A (en) 1972-03-07
DE1811998A1 (de) 1970-06-11

Similar Documents

Publication Publication Date Title
GB1296695A (enExample)
GB1267816A (en) Gas filter
IT1085790B (it) Diaframma per trasduttori elettroacustici
GB2104345B (en) An electroacoustic transducer of the piezoelectric polymer type
FR2542552B1 (fr) Transducteur electroacoustique a diaphragme piezo-electrique
JPS6430942A (en) Fluid elastic supporter for suspending prime mover particularly in car
BR7903543A (pt) Sistema de audio com tom de sinos utilizando transdutor piezeletrico
GB1369977A (en) Phonograph record player tone arm assembly
US2866514A (en) Corrective loud speaker enclosure
US6275448B1 (en) Pressure-compensated acceleration-insensitive hydrophone
US2000523A (en) Telephone sound reproducer
ES456320A1 (es) Sistema de altavoz dotado de medios para controlar selecti- vamente su respuesta a bajas frecuencias.
JPS5789396A (en) Plane-plate speaker
JPS56126397A (en) Speaker system
GB1147492A (en) Sound absorbing device
ES280265U (es) Membrana de desacoplamiento para apoyos de dos camaras para motores
FR2349253A1 (fr) Transducteur electro-acoustique
JPS5414722A (en) Acoustic diaphragm
JPS56117500A (en) Diaphragm supporting mechanism of ribbon-type speaker
GB1117367A (en) Improvements in or relating to microphone mountings for telephony
GB409040A (en) Improvements in or relating to piezo electric microphones or speakers
SU480836A1 (ru) Устройство дл бурени шпуров
GB1065746A (en) Transducer
GB1423631A (en) Vibration densitometer apparatus with temperature compenstion
EP0132039A3 (en) Moisture resistant cover for an electroacoustic transducer

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee