SE358800B - - Google Patents
Info
- Publication number
- SE358800B SE358800B SE02475/72A SE247572A SE358800B SE 358800 B SE358800 B SE 358800B SE 02475/72 A SE02475/72 A SE 02475/72A SE 247572 A SE247572 A SE 247572A SE 358800 B SE358800 B SE 358800B
- Authority
- SE
- Sweden
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
- H04R1/2869—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
-
- 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
- H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
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)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE02475/72A SE358800B (zh) | 1972-02-29 | 1972-02-29 | |
US00240726A US3768589A (en) | 1972-02-29 | 1972-04-03 | Loudspeaker |
GB326273A GB1390002A (en) | 1972-02-29 | 1973-01-22 | Loudspeakers |
DE2303799A DE2303799B2 (de) | 1972-02-29 | 1973-01-26 | Lautsprecher |
NO00784/73A NO129070B (zh) | 1972-02-29 | 1973-02-27 | |
NL7302776A NL7302776A (zh) | 1972-02-29 | 1973-02-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE02475/72A SE358800B (zh) | 1972-02-29 | 1972-02-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE358800B true SE358800B (zh) | 1973-08-06 |
Family
ID=20260024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE02475/72A SE358800B (zh) | 1972-02-29 | 1972-02-29 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3768589A (zh) |
DE (1) | DE2303799B2 (zh) |
GB (1) | GB1390002A (zh) |
NL (1) | NL7302776A (zh) |
NO (1) | NO129070B (zh) |
SE (1) | SE358800B (zh) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3882962A (en) * | 1973-10-03 | 1975-05-13 | Warren Ripple | Loudspeaker equipment |
DE2618352A1 (de) * | 1975-10-28 | 1977-11-17 | Manfred Dipl Ing Zippel | Lautsprechereinheit |
DE2548095C2 (de) * | 1975-10-28 | 1985-05-09 | Manfred Dipl.-Ing. 7250 Leonberg Zippel | Lautsprechereinheit |
US4501934A (en) * | 1983-07-18 | 1985-02-26 | W2 Vehicle Design And Development | Loudspeaker system |
US5286928A (en) * | 1993-04-12 | 1994-02-15 | Borland Nathan J | Tunable speaker tube |
GB2290672A (en) * | 1995-09-08 | 1996-01-03 | B & W Loudspeakers | Loudspeaker systems |
DE19710967C1 (de) * | 1997-03-17 | 1998-10-22 | Karl Heinz Koeppen | Breitbandlautsprecher |
US6771787B1 (en) * | 1998-09-03 | 2004-08-03 | Bose Corporation | Waveguide electroacoustical transducing |
US8351629B2 (en) * | 2008-02-21 | 2013-01-08 | Robert Preston Parker | Waveguide electroacoustical transducing |
US8295526B2 (en) * | 2008-02-21 | 2012-10-23 | Bose Corporation | Low frequency enclosure for video display devices |
US8351630B2 (en) * | 2008-05-02 | 2013-01-08 | Bose Corporation | Passive directional acoustical radiating |
US8265310B2 (en) * | 2010-03-03 | 2012-09-11 | Bose Corporation | Multi-element directional acoustic arrays |
US8553894B2 (en) | 2010-08-12 | 2013-10-08 | Bose Corporation | Active and passive directional acoustic radiating |
US10057701B2 (en) | 2015-03-31 | 2018-08-21 | Bose Corporation | Method of manufacturing a loudspeaker |
US9451355B1 (en) | 2015-03-31 | 2016-09-20 | Bose Corporation | Directional acoustic device |
US11128941B1 (en) * | 2018-11-20 | 2021-09-21 | Edward G. Blemel | Method for passive dissipation of deconstructive harmonics during audio amplification and reproduction |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB653263A (en) * | 1947-10-30 | 1951-05-09 | C M C Switchmatic Ltd | Improvements in mountings for loudspeakers |
US2775309A (en) * | 1954-03-15 | 1956-12-25 | Acoustic Res Inc | Sound translating devices |
DE1074651B (de) * | 1956-03-08 | 1960-02-04 | Deutsche Post Betnebslaboratorium fur Rundfunk und Fernsehen Ber Im Adlershof | Anordnung zur Er zielung der Erweiterung des Frequenz bereiches in Richtung der tieferen Frc quenzen bei akustischen Strahlern |
US3393766A (en) * | 1966-05-18 | 1968-07-23 | American District Telegraph Co | Speaker system |
-
1972
- 1972-02-29 SE SE02475/72A patent/SE358800B/xx unknown
- 1972-04-03 US US00240726A patent/US3768589A/en not_active Expired - Lifetime
-
1973
- 1973-01-22 GB GB326273A patent/GB1390002A/en not_active Expired
- 1973-01-26 DE DE2303799A patent/DE2303799B2/de active Pending
- 1973-02-27 NO NO00784/73A patent/NO129070B/no unknown
- 1973-02-28 NL NL7302776A patent/NL7302776A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE2303799A1 (de) | 1973-09-13 |
DE2303799B2 (de) | 1975-05-07 |
NL7302776A (zh) | 1973-08-31 |
GB1390002A (en) | 1975-04-09 |
NO129070B (zh) | 1974-02-18 |
US3768589A (en) | 1973-10-30 |