NL113201C - - Google Patents
Info
- Publication number
- NL113201C NL113201C NL113201DA NL113201C NL 113201 C NL113201 C NL 113201C NL 113201D A NL113201D A NL 113201DA NL 113201 C NL113201 C NL 113201C
- 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
- H04R11/00—Transducers of moving-armature or moving-core type
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US719958A US3002058A (en) | 1958-03-07 | 1958-03-07 | Electro acoustic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL113201C true NL113201C (xx) |
Family
ID=24892085
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL236833D NL236833A (xx) | 1958-03-07 | ||
| NL113201D NL113201C (xx) | 1958-03-07 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL236833D NL236833A (xx) | 1958-03-07 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3002058A (xx) |
| DE (1) | DE1120504B (xx) |
| DK (1) | DK111053B (xx) |
| GB (1) | GB875212A (xx) |
| NL (2) | NL113201C (xx) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3491215A (en) * | 1967-03-14 | 1970-01-20 | Sonotone Corp | Acoustic electromagnetic transducer device having means for protecting coil-wire insulation |
| US3617653A (en) * | 1967-05-16 | 1971-11-02 | Tibbetts Industries | Magnetic reed type acoustic transducer with improved armature |
| US5299176A (en) * | 1991-12-20 | 1994-03-29 | Tibbetts Industries, Inc. | Balanced armature transducers with transverse gap |
| US20020003890A1 (en) * | 2000-05-09 | 2002-01-10 | Daniel Warren | Armature for a receiver |
| US7817815B2 (en) * | 2000-05-09 | 2010-10-19 | Knowles Electronics, Llc | Armature for a receiver |
| US7065224B2 (en) | 2001-09-28 | 2006-06-20 | Sonionmicrotronic Nederland B.V. | Microphone for a hearing aid or listening device with improved internal damping and foreign material protection |
| US7072482B2 (en) | 2002-09-06 | 2006-07-04 | Sonion Nederland B.V. | Microphone with improved sound inlet port |
| US7751579B2 (en) * | 2003-06-13 | 2010-07-06 | Etymotic Research, Inc. | Acoustically transparent debris barrier for audio transducers |
| EP2329657A4 (en) * | 2008-08-29 | 2011-10-26 | Penn State Res Found | METHOD AND APPARATUS FOR REDUCED DISTORTION BALANCED ARMATURE DEVICES |
| US9888322B2 (en) | 2014-12-05 | 2018-02-06 | Knowles Electronics, Llc | Receiver with coil wound on a stationary ferromagnetic core |
| CN107203802A (zh) * | 2017-08-03 | 2017-09-26 | 合肥利元杰信息科技有限公司 | 一种多功能u盘 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB755715A (xx) * | ||||
| FR632915A (xx) * | 1928-01-18 | |||
| US1230676A (en) * | 1914-07-24 | 1917-06-19 | Automatic Enunciator Company | Sound-reproducer. |
| US1573739A (en) * | 1922-10-02 | 1926-02-16 | O'neill John Hugh | Telephonic device |
| US2037255A (en) * | 1931-03-21 | 1936-04-14 | United Res Corp | Electromagnetic translating device |
| US2092884A (en) * | 1932-11-01 | 1937-09-14 | Rca Corp | Signal translating apparatus |
| CH218774A (de) * | 1939-09-05 | 1941-12-31 | Fides Gmbh | Magnetisches Mikrofon. |
| US2507708A (en) * | 1945-12-22 | 1950-05-16 | Pennsylvania Electronics Inc | Phonograph pickup having permanent magnet armature |
| FR963909A (xx) * | 1947-06-06 | 1950-07-26 | ||
| DE955245C (de) * | 1955-02-26 | 1957-01-03 | Lehner Fernsprech Signal | Vierpoliges Antriebssystem fuer elektroakustische Wandler |
-
0
- NL NL236833D patent/NL236833A/xx unknown
- NL NL113201D patent/NL113201C/xx active
-
1958
- 1958-03-07 US US719958A patent/US3002058A/en not_active Expired - Lifetime
-
1959
- 1959-03-06 GB GB7860/59A patent/GB875212A/en not_active Expired
- 1959-03-07 DK DK83559AA patent/DK111053B/da unknown
- 1959-03-07 DE DEK37177A patent/DE1120504B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3002058A (en) | 1961-09-26 |
| DK111053B (da) | 1968-05-20 |
| DE1120504B (de) | 1961-12-28 |
| NL236833A (xx) | |
| GB875212A (en) | 1961-08-16 |