BE696354A - - Google Patents
Info
- Publication number
- BE696354A BE696354A BE696354DA BE696354A BE 696354 A BE696354 A BE 696354A BE 696354D A BE696354D A BE 696354DA BE 696354 A BE696354 A BE 696354A
- Authority
- BE
- Belgium
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
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Exhaust Silencers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6604150A NL6604150A (ko) | 1966-03-30 | 1966-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE696354A true BE696354A (ko) | 1967-10-02 |
Family
ID=19796133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE696354D BE696354A (ko) | 1966-03-30 | 1967-03-30 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3381773A (ko) |
| AT (1) | AT271590B (ko) |
| BE (1) | BE696354A (ko) |
| DE (1) | DE1512735B2 (ko) |
| FR (1) | FR1515775A (ko) |
| GB (1) | GB1130661A (ko) |
| NL (1) | NL6604150A (ko) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1245803A (en) * | 1967-09-28 | 1971-09-08 | Matsushita Electric Ind Co Ltd | Microphone device |
| US3930560A (en) * | 1974-07-15 | 1976-01-06 | Industrial Research Products, Inc. | Damping element |
| DE3102870A1 (de) * | 1981-01-29 | 1982-08-19 | Hans-Joachim 3300 Braunschweig Gieger | Gehaeuselautsprecher |
| US4837833A (en) * | 1988-01-21 | 1989-06-06 | Industrial Research Products, Inc. | Microphone with frequency pre-emphasis channel plate |
| US8615097B2 (en) | 2008-02-21 | 2013-12-24 | Bose Corportion | Waveguide electroacoustical transducing |
| US8351630B2 (en) * | 2008-05-02 | 2013-01-08 | Bose Corporation | Passive directional acoustical radiating |
| US8630435B2 (en) * | 2008-08-08 | 2014-01-14 | Nokia Corporation | Apparatus incorporating an adsorbent material, and methods of making same |
| US9078063B2 (en) | 2012-08-10 | 2015-07-07 | Knowles Electronics, Llc | Microphone assembly with barrier to prevent contaminant infiltration |
| JP6284446B2 (ja) * | 2014-06-27 | 2018-02-28 | 株式会社オーディオテクニカ | ダイナミックマイクロホンおよび背部空気室の成形方法 |
| US10057701B2 (en) | 2015-03-31 | 2018-08-21 | Bose Corporation | Method of manufacturing a loudspeaker |
| US9451355B1 (en) | 2015-03-31 | 2016-09-20 | Bose Corporation | Directional acoustic device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2152205A (en) * | 1937-03-18 | 1939-03-28 | Ingersoll Rand Co | Muffler |
| US2576610A (en) * | 1944-04-10 | 1951-11-27 | Gen Motors Corp | Restricter |
| NL102054C (ko) * | 1954-01-11 | |||
| US3293379A (en) * | 1961-01-17 | 1966-12-20 | Gorike Rudolf | Earphone |
| US3163256A (en) * | 1962-06-06 | 1964-12-29 | Corning Glass Works | Muffler with ceramic honeycomb baffle |
| US3163255A (en) * | 1963-04-04 | 1964-12-29 | Air Mite Devices Inc | Exhaust valve silencer with sintered metal silencing disc |
| US3270834A (en) * | 1965-09-10 | 1966-09-06 | Atlas Copco Ab | Pneumatic tool having exhaust noise reducing means |
-
1966
- 1966-03-30 NL NL6604150A patent/NL6604150A/xx unknown
-
1967
- 1967-02-21 US US617543A patent/US3381773A/en not_active Expired - Lifetime
- 1967-03-23 DE DE1512735A patent/DE1512735B2/de active Pending
- 1967-03-28 AT AT293467A patent/AT271590B/de active
- 1967-03-28 GB GB13975/67A patent/GB1130661A/en not_active Expired
- 1967-03-30 BE BE696354D patent/BE696354A/xx unknown
- 1967-03-30 FR FR100831A patent/FR1515775A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1130661A (en) | 1968-10-16 |
| FR1515775A (fr) | 1968-03-01 |
| AT271590B (de) | 1969-06-10 |
| DE1512735B2 (de) | 1975-02-20 |
| NL6604150A (ko) | 1967-10-02 |
| DE1512735A1 (de) | 1969-05-14 |
| US3381773A (en) | 1968-05-07 |