FR2332671A1 - Enceinte acoustique avec transformateur pneumatique asservi - Google Patents

Enceinte acoustique avec transformateur pneumatique asservi

Info

Publication number
FR2332671A1
FR2332671A1 FR7535405A FR7535405A FR2332671A1 FR 2332671 A1 FR2332671 A1 FR 2332671A1 FR 7535405 A FR7535405 A FR 7535405A FR 7535405 A FR7535405 A FR 7535405A FR 2332671 A1 FR2332671 A1 FR 2332671A1
Authority
FR
France
Prior art keywords
loudspeaker
passive
box
power amplifier
active
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
FR7535405A
Other languages
English (en)
Other versions
FR2332671B3 (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.)
KORN ET MACWAY LAB
Original Assignee
KORN ET MACWAY LAB
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 KORN ET MACWAY LAB filed Critical KORN ET MACWAY LAB
Priority to FR7535405A priority Critical patent/FR2332671A1/fr
Publication of FR2332671A1 publication Critical patent/FR2332671A1/fr
Application granted granted Critical
Publication of FR2332671B3 publication Critical patent/FR2332671B3/fr
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807Enclosures comprising vibrating or resonating arrangements
    • H04R1/283Enclosures comprising vibrating or resonating arrangements using a passive diaphragm
    • H04R1/2834Enclosures comprising vibrating or resonating arrangements using a passive diaphragm for loudspeaker transducers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/002Damping circuit arrangements for transducers, e.g. motional feedback circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
FR7535405A 1975-11-19 1975-11-19 Enceinte acoustique avec transformateur pneumatique asservi Granted FR2332671A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7535405A FR2332671A1 (fr) 1975-11-19 1975-11-19 Enceinte acoustique avec transformateur pneumatique asservi

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7535405A FR2332671A1 (fr) 1975-11-19 1975-11-19 Enceinte acoustique avec transformateur pneumatique asservi

Publications (2)

Publication Number Publication Date
FR2332671A1 true FR2332671A1 (fr) 1977-06-17
FR2332671B3 FR2332671B3 (fr) 1978-08-25

Family

ID=9162624

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7535405A Granted FR2332671A1 (fr) 1975-11-19 1975-11-19 Enceinte acoustique avec transformateur pneumatique asservi

Country Status (1)

Country Link
FR (1) FR2332671A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0334238A2 (fr) * 1988-03-25 1989-09-27 Yamaha Corporation Appareil acoustique
EP0336303A2 (fr) * 1988-04-04 1989-10-11 Yamaha Corporation Appareil acoustique
FR2717031A1 (fr) * 1994-03-02 1995-09-08 Sony Corp Enceinte acoustique pourvu d'un radiateur passif interne.
WO2008109327A3 (fr) * 2007-03-02 2009-03-12 Bose Corp Système audio à impédance positive synthétisée

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0334238A2 (fr) * 1988-03-25 1989-09-27 Yamaha Corporation Appareil acoustique
EP0334238B1 (fr) * 1988-03-25 1994-11-30 Yamaha Corporation Appareil acoustique
EP0336303A2 (fr) * 1988-04-04 1989-10-11 Yamaha Corporation Appareil acoustique
EP0336303A3 (fr) * 1988-04-04 1991-05-15 Yamaha Corporation Appareil acoustique
FR2717031A1 (fr) * 1994-03-02 1995-09-08 Sony Corp Enceinte acoustique pourvu d'un radiateur passif interne.
WO2008109327A3 (fr) * 2007-03-02 2009-03-12 Bose Corp Système audio à impédance positive synthétisée
US8224009B2 (en) 2007-03-02 2012-07-17 Bose Corporation Audio system with synthesized positive impedance

Also Published As

Publication number Publication date
FR2332671B3 (fr) 1978-08-25

Similar Documents

Publication Publication Date Title
EP0339470A3 (fr) Circuit d'excitation électroacoustique
GB780810A (en) Sound reproducing system and loudspeaker
US3909531A (en) Acoustic transducer system
US3730046A (en) Orally operated electronic musical instrument
GB1344370A (en) Loudspeaker cabinet
GB1404279A (en) Acoustic feedback stabilization system particularly suited for hearing aids
FR2332671A1 (fr) Enceinte acoustique avec transformateur pneumatique asservi
GB774003A (en) Improvements in or relating to pressure gradient microphones
EP0242856A3 (en) Coaxial loud speaker
FR2405608A1 (fr) Perfectionnements aux enceintes acoustiques
US20200045424A1 (en) Multi-chambered ported resonator for distributed mode and balanced mode radiator transducers
SU667178A3 (ru) Звуковоспроизвод щее устройство
FR2362547A1 (fr) Enceinte avec ligne acoustique asservie
FR2312909A1 (fr) Enceinte acoustique perfectionnee
GB1454894A (en) Loudspeakers and circuit arrangements therefor
FR2327697A1 (fr) Enceinte acoustique a bon niveau de reproduction des sons graves
FR2291675A1 (fr) Enceinte acoustique pour haut-parleur
FR2338616A1 (fr) Emetteur de son
GB1224784A (en) Headphone type amplifier, especially for sound amplification of electric musical instruments
CN2189808Y (zh) 新型双面组合式扬声器
JPS5991090U (ja) オ−プンエア式ヘツドホ−ン
US2265344A (en) Sound reproducing apparatus
JPS58117795A (ja) 音響機器用キヤビネツト装置
FR2364585A1 (fr) Radiateur acoustique et notamment colonne sonore presentant une caracteristique directive pratiquement independante de la frequence
JPS6031310B2 (ja) スピ−カ装置

Legal Events

Date Code Title Description
ST Notification of lapse