LU63280A1 - - Google Patents
Info
- Publication number
- LU63280A1 LU63280A1 LU63280DA LU63280A1 LU 63280 A1 LU63280 A1 LU 63280A1 LU 63280D A LU63280D A LU 63280DA LU 63280 A1 LU63280 A1 LU 63280A1
- Authority
- LU
- Luxembourg
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
- H04R1/2861—Enclosures comprising vibrating or resonating arrangements using a back-loaded horn
- H04R1/2865—Enclosures comprising vibrating or resonating arrangements using a back-loaded horn 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)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702041012 DE2041012C (en) | 1970-08-18 | Loudspeaker enclosure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU63280A1 true LU63280A1 (en) | 1971-09-09 |
Family
ID=5780085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU63280D LU63280A1 (en) | 1970-08-18 | 1971-06-03 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3730291A (en) |
| AT (1) | AT305403B (en) |
| BE (1) | BE771389A (en) |
| CH (1) | CH539372A (en) |
| FR (1) | FR2102317B1 (en) |
| GB (1) | GB1349489A (en) |
| LU (1) | LU63280A1 (en) |
| NL (1) | NL7111302A (en) |
| NO (1) | NO133344C (en) |
| SE (1) | SE370306B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2338298C2 (en) * | 1973-07-27 | 1975-09-11 | Neckermann Versand Kgaa, 6000 Frankfurt | Loudspeaker enclosure with an exponential funnel and at least two loudspeakers |
| US4138594A (en) * | 1977-06-02 | 1979-02-06 | Klipsch And Associates, Inc. | Small dimension low frequency folded exponential horn loudspeaker with unitary sound path and loudspeaker system including same |
| US5824969A (en) * | 1996-09-30 | 1998-10-20 | Takenaka; Masaaki | Speaker system with a three-dimensional spiral sound passage |
| JPH11234783A (en) * | 1998-02-13 | 1999-08-27 | Masaaki Takenaka | Speaker system |
| US6349792B1 (en) | 2000-04-07 | 2002-02-26 | Harold N. Smith, Jr. | Sound enhancing speaking cabinet for a removable speaker assembly |
| FI112909B (en) * | 2001-02-19 | 2004-01-30 | Genelec Oy | The structure of a reflex speaker and a method for forming it |
| US6860363B2 (en) * | 2002-07-03 | 2005-03-01 | Christopher Gardner | Planar acoustic waveguide |
| JP6852399B2 (en) * | 2016-12-28 | 2021-03-31 | ヤマハ株式会社 | Speaker device and speaker cabinet |
| US20210105556A1 (en) * | 2019-10-08 | 2021-04-08 | Soniphi Llc | Systems & Methods For Expanding Sensation Using Isobaric Chambers |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2866513A (en) * | 1952-11-24 | 1958-12-30 | Edward V Bracken | Apparatus for generating sound |
| US2815086A (en) * | 1954-02-18 | 1957-12-03 | William L Hartsfield | Convertible loudspeaker system |
| US2835335A (en) * | 1955-05-02 | 1958-05-20 | Courtney Q Glassey | Loudspeaker housing using an open side as a horn mouth |
| US2986229A (en) * | 1957-01-15 | 1961-05-30 | Gen Dynamics Corp | Loudspeaker enclosures |
| US3112006A (en) * | 1961-02-08 | 1963-11-26 | Alfred H Roberts | Loudspeaker enclosures |
| US3135349A (en) * | 1962-04-02 | 1964-06-02 | Uolevi L Lahti | Loudspeaker |
-
1971
- 1971-04-28 AT AT366371A patent/AT305403B/en not_active IP Right Cessation
- 1971-04-30 NO NO1616/71A patent/NO133344C/no unknown
- 1971-05-03 CH CH651471A patent/CH539372A/en not_active IP Right Cessation
- 1971-05-28 FR FR7119436A patent/FR2102317B1/fr not_active Expired
- 1971-06-03 LU LU63280D patent/LU63280A1/xx unknown
- 1971-07-26 SE SE7109569A patent/SE370306B/xx unknown
- 1971-08-04 US US00168977A patent/US3730291A/en not_active Expired - Lifetime
- 1971-08-09 GB GB3740371A patent/GB1349489A/en not_active Expired
- 1971-08-17 NL NL7111302A patent/NL7111302A/xx unknown
- 1971-08-17 BE BE771389A patent/BE771389A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH539372A (en) | 1973-07-15 |
| FR2102317B1 (en) | 1973-11-30 |
| DE2041012B2 (en) | 1972-08-17 |
| FR2102317A1 (en) | 1972-04-07 |
| NO133344C (en) | 1976-04-21 |
| BE771389A (en) | 1971-12-31 |
| US3730291A (en) | 1973-05-01 |
| AT305403B (en) | 1973-02-26 |
| GB1349489A (en) | 1974-04-03 |
| DE2041012A1 (en) | 1972-02-24 |
| NL7111302A (en) | 1972-02-22 |
| SE370306B (en) | 1974-10-07 |
| NO133344B (en) | 1976-01-05 |