AP146A - Acoustic speaker device. - Google Patents

Acoustic speaker device. Download PDF

Info

Publication number
AP146A
AP146A APAP/P/1990/000184A AP9000184A AP146A AP 146 A AP146 A AP 146A AP 9000184 A AP9000184 A AP 9000184A AP 146 A AP146 A AP 146A
Authority
AP
ARIPO
Prior art keywords
speaker
frequency
tunnel
casing
speaker device
Prior art date
Application number
APAP/P/1990/000184A
Other languages
English (en)
Other versions
AP9000184A0 (en
Inventor
Krister Amneus
Original Assignee
Amneus Eng
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 Amneus Eng filed Critical Amneus Eng
Publication of AP9000184A0 publication Critical patent/AP9000184A0/xx
Application granted granted Critical
Publication of AP146A publication Critical patent/AP146A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2823—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
    • H04R1/2826—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
    • H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding 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)
APAP/P/1990/000184A 1989-06-20 1990-06-15 Acoustic speaker device. AP146A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19893920041 DE3920041C1 (https=) 1989-06-20 1989-06-20

Publications (2)

Publication Number Publication Date
AP9000184A0 AP9000184A0 (en) 1990-07-31
AP146A true AP146A (en) 1991-10-02

Family

ID=6383080

Family Applications (1)

Application Number Title Priority Date Filing Date
APAP/P/1990/000184A AP146A (en) 1989-06-20 1990-06-15 Acoustic speaker device.

Country Status (4)

Country Link
AP (1) AP146A (https=)
AU (1) AU5748390A (https=)
DE (1) DE3920041C1 (https=)
WO (1) WO1990016135A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0403900A3 (de) * 1989-06-20 1992-03-25 Krister Amnéus Elektroakustische Lautsprechervorrichtung
FR2802051A1 (fr) * 1999-12-03 2001-06-08 Acoustique Et Lutherie Enceinte audiophonique
DE10343858B4 (de) * 2003-09-23 2005-09-08 Holger Dech Ventiliertes Gehäuse für Tieftonlautsprecher oder Bandpässe

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2045578A (en) * 1978-08-11 1980-10-29 Rudzitis A A Speaker device
EP0075812A1 (de) * 1981-09-25 1983-04-06 Brunnquell GmbH Fabrik elektrotechnischer Apparate Elektronischer Gong
DE1762237C3 (de) * 1968-05-04 1983-12-08 Amnéus, Krister Lars Anders, Farsta Lautsprecheranlage, insbesondere für die Niederfrequenz-Tonwiedergabe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1406427A (en) * 1971-10-22 1975-09-17 Ferrograph Co Ltd Bass reflex loud-speaker enclosures
FR2245143A1 (en) * 1973-09-21 1975-04-18 Batlouni Emile Vented tubular loudspeaker enclosure - has low fundamental resonant frequency and omnidirectional output
SE7701417L (sv) * 1976-09-27 1978-03-28 Marantz Co Hogtalare
DE7821830U1 (de) * 1978-07-21 1978-11-09 Duell, Peter, 6000 Frankfurt Lautsprecherbox
DE3113281A1 (de) * 1981-04-02 1982-10-21 Standard Elektrik Lorenz Ag, 7000 Stuttgart Als bassreflexgehaeuse ausgebildete lautsprecherbox
GB2123250A (en) * 1982-06-15 1984-01-25 Psycho Acoustic Res Loudspeaker enclosures

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1762237C3 (de) * 1968-05-04 1983-12-08 Amnéus, Krister Lars Anders, Farsta Lautsprecheranlage, insbesondere für die Niederfrequenz-Tonwiedergabe
GB2045578A (en) * 1978-08-11 1980-10-29 Rudzitis A A Speaker device
EP0075812A1 (de) * 1981-09-25 1983-04-06 Brunnquell GmbH Fabrik elektrotechnischer Apparate Elektronischer Gong

Also Published As

Publication number Publication date
AP9000184A0 (en) 1990-07-31
AU5748390A (en) 1991-01-08
DE3920041C1 (https=) 1990-12-06
WO1990016135A1 (de) 1990-12-27

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