FR2081600A7 - - Google Patents
Info
- Publication number
- FR2081600A7 FR2081600A7 FR7025112A FR7025112A FR2081600A7 FR 2081600 A7 FR2081600 A7 FR 2081600A7 FR 7025112 A FR7025112 A FR 7025112A FR 7025112 A FR7025112 A FR 7025112A FR 2081600 A7 FR2081600 A7 FR 2081600A7
- 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; ELECTRIC HEARING AIDS; 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
- H04R1/2842—Enclosures comprising vibrating or resonating arrangements of the bandpass type for loudspeaker transducers
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES377356A ES377356A1 (es) | 1970-03-02 | 1970-03-02 | Perfeccionamientos en los circuitos acusticos de transduc- tores electrofonicos. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2081600A7 true FR2081600A7 (online.php) | 1971-12-10 |
| FR2081600B3 FR2081600B3 (online.php) | 1973-04-06 |
Family
ID=8455314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR707025112A Expired FR2081600B3 (online.php) | 1970-03-02 | 1970-07-07 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE756414A (online.php) |
| ES (1) | ES377356A1 (online.php) |
| FR (1) | FR2081600B3 (online.php) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0125625A1 (de) * | 1983-05-13 | 1984-11-21 | International Standard Electric Corporation | Lautsprecherbox mit integriertem akustischem Bandpassfilter |
| EP0154219A1 (de) * | 1984-02-14 | 1985-09-11 | Nokia Graetz Gesellschaft mit beschränkter Haftung | Vorrichtung zur stereophonen Tonwiedergabe in einem Fernsehempfangsgerät |
-
0
- BE BE756414D patent/BE756414A/xx unknown
-
1970
- 1970-03-02 ES ES377356A patent/ES377356A1/es not_active Expired
- 1970-07-07 FR FR707025112A patent/FR2081600B3/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0125625A1 (de) * | 1983-05-13 | 1984-11-21 | International Standard Electric Corporation | Lautsprecherbox mit integriertem akustischem Bandpassfilter |
| EP0154219A1 (de) * | 1984-02-14 | 1985-09-11 | Nokia Graetz Gesellschaft mit beschränkter Haftung | Vorrichtung zur stereophonen Tonwiedergabe in einem Fernsehempfangsgerät |
Also Published As
| Publication number | Publication date |
|---|---|
| BE756414A (fr) | 1971-03-01 |
| ES377356A1 (es) | 1972-07-01 |
| FR2081600B3 (online.php) | 1973-04-06 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |