NL274625A - - Google Patents
Info
- Publication number
- NL274625A NL274625A NL274625DA NL274625A NL 274625 A NL274625 A NL 274625A NL 274625D A NL274625D A NL 274625DA NL 274625 A NL274625 A NL 274625A
- 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- 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
- H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only for telephonic receivers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES72477A DE1156109B (de) | 1961-02-10 | 1961-02-10 | Elektroakustischer Wandler mit Ringspaltmagnetsystem und Resonator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL274625A true NL274625A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=7503229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL274625D NL274625A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1961-02-10 |
Country Status (6)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5415628Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-06-28 | 1979-06-22 | ||
| EP0208907B1 (de) * | 1985-07-17 | 1990-04-11 | WILLI STUDER AG Fabrik für elektronische Apparate | Magnetsystem für einen dynamischen Lautsprecher |
| US20060254852A1 (en) * | 2005-05-11 | 2006-11-16 | Yen-Shan Chen | Integral audio module |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1964606A (en) * | 1932-04-12 | 1934-06-26 | Bell Telephone Labor Inc | Acoustic device |
| US2295483A (en) * | 1934-06-04 | 1942-09-08 | Jensen Radio Mfg Company | Loudspeaker |
| US2252846A (en) * | 1938-09-30 | 1941-08-19 | Associated Electric Lab Inc | Acoustic device |
| US2463762A (en) * | 1941-11-14 | 1949-03-08 | Automatic Elect Lab | Electroacoustical transducer |
| US2489862A (en) * | 1943-01-07 | 1949-11-29 | Gen Electric | Damping for dynamic loudspeakers |
| US2627558A (en) * | 1946-07-22 | 1953-02-03 | Electro Voice | Unidirectional microphone |
| BE540009A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1954-07-23 |
-
0
- NL NL274625D patent/NL274625A/xx unknown
-
1961
- 1961-02-10 DE DES72477A patent/DE1156109B/de active Pending
- 1961-10-30 CH CH1251761A patent/CH393433A/de unknown
-
1962
- 1962-01-22 US US167838A patent/US3261927A/en not_active Expired - Lifetime
- 1962-02-09 BE BE613733A patent/BE613733A/fr unknown
- 1962-02-09 GB GB5095/62A patent/GB965591A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3261927A (en) | 1966-07-19 |
| GB965591A (en) | 1964-08-06 |
| CH393433A (de) | 1965-06-15 |
| BE613733A (fr) | 1962-05-29 |
| DE1156109B (de) | 1963-10-24 |