FR2247867A1 - - Google Patents

Info

Publication number
FR2247867A1
FR2247867A1 FR7336494A FR7336494A FR2247867A1 FR 2247867 A1 FR2247867 A1 FR 2247867A1 FR 7336494 A FR7336494 A FR 7336494A FR 7336494 A FR7336494 A FR 7336494A FR 2247867 A1 FR2247867 A1 FR 2247867A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7336494A
Other languages
French (fr)
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.)
PRINCE GILLES CA
Original Assignee
PRINCE GILLES CA
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
Priority to CA149412A priority Critical patent/CA938561A/en
Priority to US00280403A priority patent/US3780824A/en
Application filed by PRINCE GILLES CA filed Critical PRINCE GILLES CA
Priority to FR7336494A priority patent/FR2247867A1/fr
Priority to DE19732354614 priority patent/DE2354614A1/de
Publication of FR2247867A1 publication Critical patent/FR2247867A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/283—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm
    • H04R1/2834—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
FR7336494A 1972-08-14 1973-10-12 Withdrawn FR2247867A1 (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA149412A CA938561A (en) 1972-08-14 1972-08-14 Acoustic loading system
US00280403A US3780824A (en) 1972-08-14 1972-08-14 Acoustic loading system
FR7336494A FR2247867A1 (fi) 1972-08-14 1973-10-12
DE19732354614 DE2354614A1 (de) 1972-08-14 1973-10-31 Passive abstrahlungsmembran

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US28040372A 1972-08-14 1972-08-14
CA149412A CA938561A (en) 1972-08-14 1972-08-14 Acoustic loading system
FR7336494A FR2247867A1 (fi) 1972-08-14 1973-10-12
DE19732354614 DE2354614A1 (de) 1972-08-14 1973-10-31 Passive abstrahlungsmembran

Publications (1)

Publication Number Publication Date
FR2247867A1 true FR2247867A1 (fi) 1975-05-09

Family

ID=27425608

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7336494A Withdrawn FR2247867A1 (fi) 1972-08-14 1973-10-12

Country Status (4)

Country Link
US (1) US3780824A (fi)
CA (1) CA938561A (fi)
DE (1) DE2354614A1 (fi)
FR (1) FR2247867A1 (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2428950A1 (fr) * 1978-06-15 1980-01-11 Andrieu Michel Systeme de reproduction sonore resistant aux deflagrations

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5136334U (fi) * 1974-09-10 1976-03-18
JPS5177127U (fi) * 1974-12-16 1976-06-17
JPS5245437U (fi) * 1975-09-26 1977-03-31
JPS52136627U (fi) * 1976-04-12 1977-10-17
US4076097A (en) * 1976-08-04 1978-02-28 Thomas Lowe Clarke Augmented passive radiator loudspeaker
JPS5335018U (fi) * 1976-08-31 1978-03-28
JPS5634461Y2 (fi) * 1977-11-22 1981-08-14
DE3326446A1 (de) * 1983-07-22 1985-01-31 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren zur herstellung eines passivstrahlers
US5216210A (en) * 1992-02-27 1993-06-01 Kammer Brent T Loudspeaker system with passive sound reflective intensifier
DE9306941U1 (de) * 1993-05-07 1993-07-22 Nokia (Deutschland) GmbH, 7530 Pforzheim Am Gehäuse oder Chassis eines Gerätes der Unterhaltungselektronik befestigter Lautsprecher
FR2738442B1 (fr) * 1995-09-01 1997-11-28 Degreane Ets Transducteur electrodynamique compense
US5731552A (en) * 1996-05-21 1998-03-24 Tsao; Ye-Ming Speaker system with sound absorbing diaphragm
CN1795696A (zh) * 2003-04-04 2006-06-28 音响制品国际公司 带有无源辐射器的室外扬声器
US7568552B2 (en) * 2004-01-15 2009-08-04 Bose Corporation Acoustic passive radiator rocking mode reducing
US7477755B2 (en) * 2004-04-13 2009-01-13 Panasonic Corporation Speaker system
US20110176701A1 (en) * 2010-01-16 2011-07-21 Collins William E Autoaugmented Speaker Port
US9794700B2 (en) * 2010-07-09 2017-10-17 Sivantos Inc. Hearing aid with occlusion reduction
US20120279796A1 (en) * 2011-05-06 2012-11-08 Cheng Uei Precision Industry Co., Ltd. Passive radiator
US9402126B2 (en) * 2014-04-17 2016-07-26 Merry Electronics (Shenzhen) Co., Ltd. Earphone with passive radiator
US9674602B2 (en) * 2014-04-18 2017-06-06 Bose Corporation Acoustic element for a speaker
US9913012B2 (en) * 2014-09-12 2018-03-06 Bose Corporation Acoustic device with curved passive radiators
US11368787B1 (en) * 2018-08-17 2022-06-21 Sound Edge LLC Speaker systems including forward and backward facing passive radiators
CN117044237A (zh) * 2020-09-14 2023-11-10 弗劳恩霍夫应用研究促进协会 Mems装置、听戴式装置、mems泵、扬声器以及驱动mems装置之方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1787946A (en) * 1925-05-14 1931-01-06 Victor Talking Machine Co Means for converting electrical vibrations into sound waves
US1988250A (en) * 1934-02-17 1935-01-15 Rca Corp Loud speaker and method of propagating sound
US2059929A (en) * 1935-06-17 1936-11-03 Philco Radio & Television Corp Sound reproducing apparatus
US2121008A (en) * 1936-07-16 1938-06-21 Paul H Bilhuber Acoustic translating device
US2757751A (en) * 1952-04-07 1956-08-07 Ernest A Tavares Small extended-low-frequency-response loudspeaker enclosure
FR1095563A (fr) * 1953-12-11 1955-06-03 Elipson Enceinte à résonance compensée pour haut-parleur
US3074504A (en) * 1961-05-25 1963-01-22 Liberty Mfg Corp Loud-speaker
US3115947A (en) * 1962-02-23 1963-12-31 Warren R Wood High fidelity sound reproducer
US3240289A (en) * 1963-10-25 1966-03-15 Sony Corp Sound system
US3194340A (en) * 1964-05-15 1965-07-13 Kuwayama Zennosuke Speaker enclosure system
US3578104A (en) * 1968-05-20 1971-05-11 Nippon Musical Instruments Mfg Loudspeaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2428950A1 (fr) * 1978-06-15 1980-01-11 Andrieu Michel Systeme de reproduction sonore resistant aux deflagrations

Also Published As

Publication number Publication date
US3780824A (en) 1973-12-25
CA938561A (en) 1973-12-18
DE2354614A1 (de) 1975-05-15

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Legal Events

Date Code Title Description
ST Notification of lapse