BE425929A - - Google Patents
Info
- Publication number
- BE425929A BE425929A BE425929DA BE425929A BE 425929 A BE425929 A BE 425929A BE 425929D A BE425929D A BE 425929DA BE 425929 A BE425929 A BE 425929A
- Authority
- BE
- Belgium
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
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
- H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding 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 |
|---|---|---|---|
| NL202278X | 1937-01-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE425929A true BE425929A (en:Method) |
Family
ID=19778401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE425929D BE425929A (en:Method) | 1937-01-23 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE425929A (en:Method) |
| CH (1) | CH202278A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2552610A1 (fr) * | 1983-09-23 | 1985-03-29 | Bresteau Paul Henri | Simulateur de charge infinie pour haut-parleur |
-
0
- BE BE425929D patent/BE425929A/xx unknown
-
1938
- 1938-01-22 CH CH202278D patent/CH202278A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH202278A (de) | 1939-01-15 |