SE393508B - Rundstralande hogtalare i ett klotformat tvadelat holje - Google Patents
Rundstralande hogtalare i ett klotformat tvadelat holjeInfo
- Publication number
- SE393508B SE393508B SE7403817A SE7403817A SE393508B SE 393508 B SE393508 B SE 393508B SE 7403817 A SE7403817 A SE 7403817A SE 7403817 A SE7403817 A SE 7403817A SE 393508 B SE393508 B SE 393508B
- Authority
- SE
- Sweden
- Prior art keywords
- ball
- part hole
- round speaker
- speaker
- round
- Prior art date
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
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
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)
- Golf Clubs (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE7331468 | 1973-08-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7403817L SE7403817L (enrdf_load_stackoverflow) | 1975-03-03 |
| SE393508B true SE393508B (sv) | 1977-05-09 |
Family
ID=6640354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7403817A SE393508B (sv) | 1973-08-30 | 1974-03-21 | Rundstralande hogtalare i ett klotformat tvadelat holje |
Country Status (14)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4836329A (en) * | 1987-07-21 | 1989-06-06 | Hughes Aircraft Company | Loudspeaker system with wide dispersion baffle |
| GB2212694A (en) * | 1987-11-21 | 1989-07-26 | Robert Alfred Webb | Speaker |
| FR2637147B1 (fr) * | 1988-09-29 | 1990-12-28 | Mutek Sarl | Enceinte electro-acoustique omnidirectionnelle |
| GB2305062B (en) * | 1995-09-06 | 2000-03-22 | Thomas Davies Richard John | Double accoustic deflector |
| US5784468A (en) * | 1996-10-07 | 1998-07-21 | Srs Labs, Inc. | Spatial enhancement speaker systems and methods for spatially enhanced sound reproduction |
-
1974
- 1974-03-12 CH CH345474A patent/CH564296A5/xx not_active IP Right Cessation
- 1974-03-15 LU LU69645A patent/LU69645A1/xx unknown
- 1974-03-15 NO NO740917A patent/NO138010C/no unknown
- 1974-03-15 AT AT215974A patent/AT334436B/de not_active IP Right Cessation
- 1974-03-21 FI FI857/M7A patent/FI85774A7/fi unknown
- 1974-03-21 SE SE7403817A patent/SE393508B/xx unknown
- 1974-03-22 FR FR7409917A patent/FR2242830B3/fr not_active Expired
- 1974-03-27 BE BE142499A patent/BE812893A/xx unknown
- 1974-04-08 GB GB1537674A patent/GB1451169A/en not_active Expired
- 1974-04-09 DK DK196574A patent/DK196574A/da not_active Application Discontinuation
- 1974-04-11 NL NL7405042A patent/NL7405042A/xx unknown
- 1974-04-12 IT IT68180/74A patent/IT1020578B/it active
- 1974-04-13 JP JP1974042206U patent/JPS5437296Y2/ja not_active Expired
- 1974-05-27 ES ES426700A patent/ES426700A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1020578B (it) | 1977-12-30 |
| SE7403817L (enrdf_load_stackoverflow) | 1975-03-03 |
| FR2242830A1 (enrdf_load_stackoverflow) | 1975-03-28 |
| AT334436B (de) | 1976-01-10 |
| JPS50117817U (enrdf_load_stackoverflow) | 1975-09-26 |
| NO138010C (no) | 1978-06-21 |
| BE812893A (fr) | 1974-07-15 |
| ES426700A1 (es) | 1976-08-01 |
| NO138010B (no) | 1978-02-27 |
| FR2242830B3 (enrdf_load_stackoverflow) | 1977-01-07 |
| LU69645A1 (enrdf_load_stackoverflow) | 1974-07-10 |
| GB1451169A (en) | 1976-09-29 |
| DK196574A (enrdf_load_stackoverflow) | 1975-04-21 |
| NO740917L (enrdf_load_stackoverflow) | 1975-03-24 |
| JPS5437296Y2 (enrdf_load_stackoverflow) | 1979-11-09 |
| CH564296A5 (enrdf_load_stackoverflow) | 1975-07-15 |
| NL7405042A (nl) | 1975-03-04 |
| FI85774A7 (enrdf_load_stackoverflow) | 1975-03-01 |
| ATA215974A (de) | 1976-05-15 |
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