NL257376A - - Google Patents
Info
- Publication number
- NL257376A NL257376A NL257376DA NL257376A NL 257376 A NL257376 A NL 257376A NL 257376D A NL257376D A NL 257376DA NL 257376 A NL257376 A NL 257376A
- 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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
- H04R7/14—Non-planar diaphragms or cones corrugated, pleated or ribbed
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US849627A US3073411A (en) | 1959-10-29 | 1959-10-29 | Acoustical apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL257376A true NL257376A (xx) |
Family
ID=25306156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL257376D NL257376A (xx) | 1959-10-29 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3073411A (xx) |
| CH (1) | CH402075A (xx) |
| ES (1) | ES262057A1 (xx) |
| GB (1) | GB897621A (xx) |
| NL (1) | NL257376A (xx) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS518732U (xx) * | 1974-07-05 | 1976-01-22 | ||
| JPS51163935U (xx) * | 1975-06-18 | 1976-12-27 | ||
| JPS51163934U (xx) * | 1975-06-18 | 1976-12-27 | ||
| US4013846A (en) * | 1975-08-28 | 1977-03-22 | Minnesota Mining And Manufacturing Company | Piston loudspeaker |
| EP0083045B1 (de) * | 1981-12-24 | 1985-11-21 | Eckehard Kort | Ringspaltmagnetsystem, insbesondere für Tiefton-Lautsprecher |
| US5181252A (en) * | 1987-12-28 | 1993-01-19 | Bose Corporation | High compliance headphone driving |
| CA2023142A1 (en) * | 1989-08-23 | 1991-02-24 | Roman Sapiejewski | High compliance headphone driving |
| US6104825A (en) * | 1997-08-27 | 2000-08-15 | Eminent Technology Incorporated | Planar magnetic transducer with distortion compensating diaphragm |
| US6929091B2 (en) * | 2002-10-28 | 2005-08-16 | Sound Advance Systems, Inc. | Planar diaphragm loudspeaker and related methods |
| US8571227B2 (en) | 2005-11-11 | 2013-10-29 | Phitek Systems Limited | Noise cancellation earphone |
| KR100902895B1 (ko) * | 2006-06-29 | 2009-06-15 | 엘지전자 주식회사 | 스피커 |
| US8666085B2 (en) * | 2007-10-02 | 2014-03-04 | Phitek Systems Limited | Component for noise reducing earphone |
| EP2129114A3 (en) * | 2008-05-29 | 2011-11-02 | Phitek Systems Limited | Media enhancement module |
| US20110002474A1 (en) * | 2009-01-29 | 2011-01-06 | Graeme Colin Fuller | Active Noise Reduction System Control |
| EP2226902A3 (en) * | 2009-03-06 | 2013-03-13 | Phitek Systems Limited | In-flight entertainment system connector |
| US20110075331A1 (en) * | 2009-05-04 | 2011-03-31 | Nigel Greig | Media Player Holder |
| US20110188668A1 (en) * | 2009-09-23 | 2011-08-04 | Mark Donaldson | Media delivery system |
| US9818394B2 (en) * | 2009-11-30 | 2017-11-14 | Graeme Colin Fuller | Realisation of controller transfer function for active noise cancellation |
| BR112012028245B1 (pt) | 2010-05-17 | 2021-04-20 | Phitek Systems, Ltd. | unidade de suporte do módulo e unidade de exibição de vídeo |
| EP2471710A1 (en) | 2010-11-15 | 2012-07-04 | Nigel Greig | Media distribution system |
| JP2014533444A (ja) | 2011-06-01 | 2014-12-11 | フィテック システムズ リミテッドＰｈｉｔｅｋ Ｓｙｓｔｅｍｓ Ｌｉｍｉｔｅｄ | 能動騒音低減を組み込むインイヤー型装置 |
| US10034086B2 (en) | 2013-03-26 | 2018-07-24 | Bose Corporation | Headset porting |
| US9628917B2 (en) | 2014-07-23 | 2017-04-18 | Bose Corporation | Sound producing system |
| USD789911S1 (en) * | 2016-03-14 | 2017-06-20 | Chris J. Katopis | Earbud |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1097499A (en) * | 1914-05-19 | Lucy A Young | Method of making acoustic diaphragms. | |
| US728382A (en) * | 1899-05-23 | 1903-05-19 | John C English | Diaphragm for machines for recording of reproducing sound or speech. |
| US1118345A (en) * | 1913-08-07 | 1914-11-24 | Harry W Hess | Sound-box for talking-machines. |
| US1763780A (en) * | 1926-06-18 | 1930-06-17 | Samuel W Hatton | Acoustic diaphragm |
| US1917309A (en) * | 1931-04-10 | 1933-07-11 | Siemens Ag | Diaphragm for acoustic apparatus |
| US2531634A (en) * | 1945-01-11 | 1950-11-28 | Athol E N Lawrance | Acoustical diaphragm with stiffening means |
| GB726780A (en) * | 1952-01-19 | 1955-03-23 | Cole E K Ltd | Improvements in or relating to sound producing diaphragms |
-
0
- NL NL257376D patent/NL257376A/xx unknown
-
1959
- 1959-10-29 US US849627A patent/US3073411A/en not_active Expired - Lifetime
-
1960
- 1960-09-27 GB GB33210/60A patent/GB897621A/en not_active Expired
- 1960-10-18 CH CH1167060A patent/CH402075A/de unknown
- 1960-10-28 ES ES0262057A patent/ES262057A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH402075A (de) | 1965-11-15 |
| US3073411A (en) | 1963-01-15 |
| ES262057A1 (es) | 1960-12-16 |
| GB897621A (en) | 1962-05-30 |