FR2459599B1 - - Google Patents
Info
- Publication number
- FR2459599B1 FR2459599B1 FR7915245A FR7915245A FR2459599B1 FR 2459599 B1 FR2459599 B1 FR 2459599B1 FR 7915245 A FR7915245 A FR 7915245A FR 7915245 A FR7915245 A FR 7915245A FR 2459599 B1 FR2459599 B1 FR 2459599B1
- Authority
- FR
- France
- 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
- H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
- H04R1/2846—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
- H04R1/2849—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material 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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7915245A FR2459599A1 (fr) | 1979-06-14 | 1979-06-14 | Enceinte acoustique de salon a tuyaux |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7915245A FR2459599A1 (fr) | 1979-06-14 | 1979-06-14 | Enceinte acoustique de salon a tuyaux |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2459599A1 FR2459599A1 (fr) | 1981-01-09 |
| FR2459599B1 true FR2459599B1 (enExample) | 1983-08-26 |
Family
ID=9226613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7915245A Granted FR2459599A1 (fr) | 1979-06-14 | 1979-06-14 | Enceinte acoustique de salon a tuyaux |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2459599A1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4421957A (en) * | 1981-06-15 | 1983-12-20 | Bell Telephone Laboratories, Incorporated | End-fire microphone and loudspeaker structures |
| JP2784830B2 (ja) * | 1989-09-04 | 1998-08-06 | ソニー株式会社 | ヘッドフォン |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1811985A (en) * | 1928-12-01 | 1931-06-30 | Murray T Quigg | Sound resonating and amplifying device |
| BE377735A (enExample) * | 1930-04-02 | |||
| FR739681A (enExample) * | 1932-06-03 | 1933-01-16 | ||
| FR833663A (fr) * | 1937-06-30 | 1938-10-27 | Dispositif correcteur et amplificateur sonore | |
| FR1216851A (fr) * | 1959-02-17 | 1960-04-28 | Reproducteur à tuyaux sonores |
-
1979
- 1979-06-14 FR FR7915245A patent/FR2459599A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2459599A1 (fr) | 1981-01-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CA | Change of address | ||
| ST | Notification of lapse |