GR66647B - - Google Patents
Info
- Publication number
- GR66647B GR66647B GR59064A GR790159064A GR66647B GR 66647 B GR66647 B GR 66647B GR 59064 A GR59064 A GR 59064A GR 790159064 A GR790159064 A GR 790159064A GR 66647 B GR66647 B GR 66647B
- Authority
- GR
- Greece
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
- H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
- H04R1/2819—Enclosures comprising vibrating or resonating arrangements of the bass reflex type for loudspeaker transducers
-
- 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
- H04R1/2869—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)
- Details Of Audible-Bandwidth Transducers (AREA)
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU2648740 | 1978-08-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GR66647B true GR66647B (fi) | 1981-04-07 |
Family
ID=20778840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GR59064A GR66647B (fi) | 1978-08-11 | 1979-05-11 |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE2911849C3 (fi) |
| FI (1) | FI790850A (fi) |
| FR (1) | FR2433268A1 (fi) |
| GB (1) | GB2045578B (fi) |
| GR (1) | GR66647B (fi) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3113281A1 (de) * | 1981-04-02 | 1982-10-21 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Als bassreflexgehaeuse ausgebildete lautsprecherbox |
| DE68919495T2 (de) * | 1988-03-25 | 1995-07-20 | Yamaha Corp | Akustischer Apparat. |
| EP0361445A3 (en) * | 1988-09-28 | 1991-05-22 | Yamaha Corporation | Acoustic apparatus |
| DE3920060A1 (de) * | 1989-06-20 | 1991-01-03 | Mb Electronic Gmbh | Elektroakustische lautsprechervorrichtung |
| DE3920041C1 (fi) * | 1989-06-20 | 1990-12-06 | Amneus Engineering, Vaellingby, Se | |
| DE9005642U1 (de) * | 1990-05-18 | 1990-08-02 | Salzburg, Herbert, Dr., 5000 Köln | Resonanzgehäuse zum Einbau von Lautsprechern |
| GB2318475B (en) * | 1996-10-21 | 2000-08-23 | B & W Loudspeakers | Enclosures for loudspeaker drive units |
| US5892183A (en) * | 1997-07-26 | 1999-04-06 | U.S. Philips Corporation | Loudspeaker system having a bass-reflex port |
| IT1399292B1 (it) * | 2009-11-17 | 2013-04-11 | Sonus Faber S P A | Accorgimento progettuale per l'accordo di camere di risonanza in sistemi di altoparlanti. |
| GB2523143B (en) * | 2014-02-14 | 2021-04-28 | Gp Acoustics Uk Ltd | Loudspeaker bass reflex system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB747263A (en) * | 1953-05-21 | 1956-03-28 | Goodmans Ind Ltd | Improvements in or relating to loudspeaker cabinets |
| FR2334259A1 (fr) * | 1975-12-01 | 1977-07-01 | Art Acoustique Appliquee | Nouvelle enceinte acoustique |
| FR2414275A1 (fr) * | 1978-01-06 | 1979-08-03 | Chalambeau Max | Enceinte acoustique pour haut-parleur |
-
1979
- 1979-03-13 FI FI790850A patent/FI790850A/fi not_active Application Discontinuation
- 1979-03-19 GB GB7909529A patent/GB2045578B/en not_active Expired
- 1979-03-26 DE DE19792911849 patent/DE2911849C3/de not_active Expired
- 1979-05-11 GR GR59064A patent/GR66647B/el unknown
- 1979-08-03 FR FR7920021A patent/FR2433268A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FI790850A (fi) | 1980-02-12 |
| DE2911849C3 (de) | 1981-12-17 |
| DE2911849A1 (de) | 1980-03-20 |
| FR2433268A1 (fr) | 1980-03-07 |
| DE2911849B2 (de) | 1981-03-12 |
| GB2045578B (en) | 1983-05-05 |
| FR2433268B1 (fi) | 1983-05-06 |
| GB2045578A (en) | 1980-10-29 |