BE482081A - - Google Patents
Info
- Publication number
- BE482081A BE482081A BE482081DA BE482081A BE 482081 A BE482081 A BE 482081A BE 482081D A BE482081D A BE 482081DA BE 482081 A BE482081 A BE 482081A
- 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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
-
- 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
-
- 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
- H04R9/06—Loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2231/00—Details of apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor covered by H04R31/00, not provided for in its subgroups
- H04R2231/003—Manufacturing aspects of the outer suspension of loudspeaker or microphone diaphragms or of their connecting aspects to said diaphragms
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/021—Diaphragms comprising cellulose-like materials, e.g. wood, paper, linen
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/023—Diaphragms comprising ceramic-like materials, e.g. pure ceramic, glass, boride, nitride, carbide, mica and carbon materials
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/025—Diaphragms comprising polymeric materials
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/029—Diaphragms comprising fibres
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/204—Material aspects of the outer suspension of loudspeaker diaphragms
-
- 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
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
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- 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
- H04R9/025—Magnetic circuit
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB29820/45A GB640824A (en) | 1945-11-08 | 1945-11-08 | Improvements in and relating to cone diaphragm electro-acoustic apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE482081A true BE482081A (pt) |
Family
ID=10297703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE482081D BE482081A (pt) | 1945-11-08 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2502853A (pt) |
| BE (1) | BE482081A (pt) |
| ES (1) | ES181488A1 (pt) |
| FR (1) | FR957982A (pt) |
| GB (1) | GB640824A (pt) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB787424A (en) * | 1953-04-13 | 1957-12-11 | Whiteley Electrical Radio Comp | Improvements relating to loudspeakers and the like |
| US2873813A (en) * | 1955-07-27 | 1959-02-17 | Hawley Products Co | Acoustic diaphragm and method of construction |
| US2866515A (en) * | 1955-11-28 | 1958-12-30 | Robert C Hunter | Cone for loud-speaker assembly |
| NL302559A (pt) * | 1963-01-25 | |||
| US3328537A (en) * | 1964-01-09 | 1967-06-27 | Hecht William | High frequency sound translating device |
| US4100992A (en) * | 1974-08-12 | 1978-07-18 | Weber Louis Rehde | Loudspeaker |
| US5744761A (en) * | 1993-06-28 | 1998-04-28 | Matsushita Electric Industrial Co., Ltd. | Diaphragm-edge integral moldings for speakers and acoustic transducers comprising same |
| DE102006058369B4 (de) * | 2006-12-08 | 2014-01-23 | Sennheiser Electronic Gmbh & Co. Kg | Elektroakustischer Wandler |
| RU2454824C2 (ru) * | 2008-03-05 | 2012-06-27 | Генелек Ой | Составная динамическая головка громкоговорителя |
| RU2744770C1 (ru) * | 2020-07-29 | 2021-03-15 | Сотис АГ | Электродинамический привод для плоских акустических систем. |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1729407A (en) * | 1927-04-05 | 1929-09-24 | Stevens Mfg Corp | Acoustic diaphragm |
| US1843367A (en) * | 1929-02-04 | 1932-02-02 | Crosley Radio Corp | Diaphragm |
| US2201059A (en) * | 1937-12-14 | 1940-05-14 | Philco Radio & Television Corp | Loud-speaker |
| US2206517A (en) * | 1938-04-06 | 1940-07-02 | Fides Gmbh | Electroacoustic apparatus |
-
0
- BE BE482081D patent/BE482081A/xx unknown
- FR FR957982D patent/FR957982A/fr not_active Expired
-
1945
- 1945-11-08 GB GB29820/45A patent/GB640824A/en not_active Expired
-
1947
- 1947-12-31 ES ES0181488A patent/ES181488A1/es not_active Expired
-
1948
- 1948-02-03 US US5991A patent/US2502853A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR957982A (pt) | 1950-03-02 |
| US2502853A (en) | 1950-04-04 |
| ES181488A1 (es) | 1948-07-01 |
| GB640824A (en) | 1950-07-26 |