NL206864A - - Google Patents
Info
- Publication number
- NL206864A NL206864A NL206864DA NL206864A NL 206864 A NL206864 A NL 206864A NL 206864D A NL206864D A NL 206864DA NL 206864 A NL206864 A NL 206864A
- Authority
- NL
- Netherlands
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)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH8102659A CH378373A (de) | 1959-11-24 | 1959-11-24 | Lautsprecherschallwand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL206864A true NL206864A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) |
Family
ID=4538439
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL206864D NL206864A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | 1959-11-24 | ||
| NL95660D NL95660C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | 1959-11-24 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL95660D NL95660C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | 1959-11-24 |
Country Status (3)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06245286A (ja) * | 1993-02-19 | 1994-09-02 | Sony Corp | スピーカ |
-
0
- NL NL206864D patent/NL206864A/xx unknown
- NL NL95660D patent/NL95660C/xx active
-
1959
- 1959-11-24 CH CH8102659A patent/CH378373A/de unknown
- 1959-12-28 GB GB4395859A patent/GB905560A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL95660C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | |
| GB905560A (en) | 1962-09-12 |
| CH378373A (de) | 1964-06-15 |