NL283073A - - Google Patents
Info
- Publication number
- NL283073A NL283073A NL283073DA NL283073A NL 283073 A NL283073 A NL 283073A NL 283073D A NL283073D A NL 283073DA NL 283073 A NL283073 A NL 283073A
- 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
- H04R1/2807—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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL283073 | 1962-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL283073A true NL283073A (en) |
Family
ID=19754092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL283073D NL283073A (en) | 1962-09-10 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB980670A (en) |
| NL (1) | NL283073A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3470976A (en) * | 1967-12-11 | 1969-10-07 | Procter Brevard | High fidelity speaker |
| US3443661A (en) * | 1968-06-28 | 1969-05-13 | Budd Co | Package for radio |
| JP2567148B2 (en) * | 1990-11-20 | 1996-12-25 | 日本電気株式会社 | Wireless selective call receiver |
| US7778431B2 (en) * | 2006-03-24 | 2010-08-17 | Sony Ericsson Mobile Communications, Ab | Sound enhancing stands for portable audio devices |
-
0
- NL NL283073D patent/NL283073A/xx unknown
-
1963
- 1963-09-06 GB GB3528863A patent/GB980670A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB980670A (en) | 1965-01-20 |