FR1152660A - Acoustic relief process - Google Patents
Acoustic relief processInfo
- Publication number
- FR1152660A FR1152660A FR1152660DA FR1152660A FR 1152660 A FR1152660 A FR 1152660A FR 1152660D A FR1152660D A FR 1152660DA FR 1152660 A FR1152660 A FR 1152660A
- Authority
- FR
- France
- Prior art keywords
- relief process
- acoustic
- acoustic relief
- relief
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1152660T | 1956-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1152660A true FR1152660A (en) | 1958-02-21 |
Family
ID=9648539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1152660D Expired FR1152660A (en) | 1956-04-10 | 1956-04-10 | Acoustic relief process |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1075665B (en) |
| FR (1) | FR1152660A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD281316S (en) | 1983-07-28 | 1985-11-12 | Gary Phillip A | Omni-directional speaker enclosure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT165502B (en) * | 1948-09-25 | 1950-03-10 | Henry Radio Heinrich & Co | Speaker combination |
| DE915460C (en) * | 1948-10-03 | 1954-07-22 | Alexander Schaaf | Loudspeaker combination with a uniform sound field |
| US2722990A (en) * | 1949-11-08 | 1955-11-08 | Decca Record Co Ltd | Loudspeaker assemblies |
-
0
- DE DENDAT1075665D patent/DE1075665B/en active Pending
-
1956
- 1956-04-10 FR FR1152660D patent/FR1152660A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1075665B (en) | 1960-02-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR1187819A (en) | Wiring process | |
| CH432834A (en) | Polymerization process | |
| FR1175201A (en) | Olefin polymerization process | |
| FR1176377A (en) | Polyurethanes baking process | |
| FR1180416A (en) | Olefin polymerization process | |
| FR1171491A (en) | Olefin polymerization process | |
| CH382446A (en) | Polymerization process | |
| CH373562A (en) | Polymerization process | |
| FR1178670A (en) | Olefin polymerization process | |
| FR1169204A (en) | Process for modifying shaped structures | |
| FR1174399A (en) | Polymerization process | |
| FR1187031A (en) | Twin-chlorination process for polylfins | |
| FR1176785A (en) | Suspension polymerization process | |
| FR1152660A (en) | Acoustic relief process | |
| FR1204624A (en) | Grinding process | |
| CH363807A (en) | Polymerization process | |
| FR1173767A (en) | Coating process | |
| FR1162214A (en) | Artificial aging process | |
| FR1183091A (en) | Etching process | |
| FR1163323A (en) | Dehydrohalogenation process | |
| FR1165796A (en) | Alpha-olefin polymerization process | |
| FR1177125A (en) | Zirconium pickling process | |
| CH370731A (en) | Fermentation process | |
| FR1188507A (en) | Dehydrogenation process | |
| FR1155929A (en) | Olefin polymerization process |