JPS557755B2 - - Google Patents
Info
- Publication number
- JPS557755B2 JPS557755B2 JP10866874A JP10866874A JPS557755B2 JP S557755 B2 JPS557755 B2 JP S557755B2 JP 10866874 A JP10866874 A JP 10866874A JP 10866874 A JP10866874 A JP 10866874A JP S557755 B2 JPS557755 B2 JP S557755B2
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US399319A US3930130A (en) | 1973-09-21 | 1973-09-21 | Carbon fiber strengthened speaker cone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5060216A JPS5060216A (en) | 1975-05-24 |
| JPS557755B2 true JPS557755B2 (en) | 1980-02-28 |
Family
ID=23579084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10866874A Expired JPS557755B2 (en) | 1973-09-21 | 1974-09-20 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3930130A (en) |
| JP (1) | JPS557755B2 (en) |
| CA (1) | CA1009156A (en) |
| GB (1) | GB1487942A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6032235U (en) * | 1983-08-06 | 1985-03-05 | トヨタ自動車株式会社 | portable can |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5427250B2 (en) * | 1974-12-17 | 1979-09-08 | ||
| JPS528817A (en) * | 1975-07-10 | 1977-01-24 | Matsushita Electric Ind Co Ltd | Speaker |
| JPS5289912A (en) * | 1976-01-22 | 1977-07-28 | Toho Beslon Co | Speaker cone |
| GB1563511A (en) * | 1976-03-19 | 1980-03-26 | Harwood H | Diaphragms for electroacoustic transducers |
| JPS5345230A (en) * | 1976-10-04 | 1978-04-22 | Sanyo Electric Co Ltd | Vibrating plate for speaker |
| US4308094A (en) * | 1977-02-02 | 1981-12-29 | Sanyo Electric Co., Ltd. | Diaphragm for speaker and method of producing same |
| US4112168A (en) * | 1977-03-23 | 1978-09-05 | Motorola, Inc. | High stiffness speaker cone |
| DE2941644C2 (en) * | 1978-10-17 | 1982-11-11 | Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka | Loudspeaker cone and process for their manufacture |
| US4460060A (en) * | 1980-03-07 | 1984-07-17 | Toray Industries, Inc. | Vibratory diaphragm for loudspeaker |
| US4410768A (en) * | 1980-07-23 | 1983-10-18 | Nippon Gakki Seizo Kabushiki Kaisha | Electro-acoustic transducer |
| JPS57199397A (en) * | 1981-06-01 | 1982-12-07 | Pioneer Electronic Corp | Diaphragm with flame resistance |
| EP0086837B1 (en) * | 1981-08-27 | 1985-12-27 | Toray Industries, Inc. | Vibrating plate for speaker |
| NL8301653A (en) * | 1983-05-10 | 1984-12-03 | Philips Nv | ELECTRO-ACOUSTIC CONVERTER WITH AN AIR-PERMISSIBLE MEMBRANE. |
| US4552243A (en) * | 1984-05-03 | 1985-11-12 | Pioneer Industrial Components, Inc. | Diaphragm material for acoustical transducer |
| GB2334851B (en) * | 1999-02-08 | 2000-01-12 | Joseph Harold Stephens | A loudspeaker/microphone |
| JP2001189990A (en) * | 1999-12-28 | 2001-07-10 | Jsp Corp | Speaker diaphragm and material for speaker diaphragm |
| JP2005529378A (en) * | 2002-06-06 | 2005-09-29 | ファブリカ イタリアーナ アクムラトリ モトカーリ モンテッキオ − エフ．イ．アー．エンメ．エンメ． エッセ．ピー．アー． | Vehicle device for producing acoustic signals |
| GB2549955A (en) * | 2016-05-03 | 2017-11-08 | 4A Mfg Gmbh | Membrane plate structure for generating sound waves |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2974204A (en) * | 1954-07-06 | 1961-03-07 | Kane Corp Du | Transducer |
| US3073916A (en) * | 1958-11-24 | 1963-01-15 | Muter Company | Blast-proof water-proof loudspeaker |
| US3367812A (en) * | 1962-11-14 | 1968-02-06 | Union Carbide Corp | Process of producing carbonized articles |
| US3539296A (en) * | 1969-06-16 | 1970-11-10 | Kimberly Clark Co | Method of making carbonized cellulose fibers for incorporation in electrically conductive paper |
| CA866963A (en) * | 1969-12-08 | 1971-03-23 | Dayton Wright Associates Limited | Audio system including electrostatic loudspeaker |
| US3671385A (en) * | 1970-07-17 | 1972-06-20 | Atomic Energy Commission | Fibrous carbonaceous composites and method for manufacturing same |
-
1973
- 1973-09-21 US US399319A patent/US3930130A/en not_active Expired - Lifetime
-
1974
- 1974-08-21 CA CA207,489A patent/CA1009156A/en not_active Expired
- 1974-09-20 GB GB41022/74A patent/GB1487942A/en not_active Expired
- 1974-09-20 JP JP10866874A patent/JPS557755B2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6032235U (en) * | 1983-08-06 | 1985-03-05 | トヨタ自動車株式会社 | portable can |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2444718B2 (en) | 1977-02-10 |
| US3930130A (en) | 1975-12-30 |
| DE2444718A1 (en) | 1975-04-17 |
| CA1009156A (en) | 1977-04-26 |
| JPS5060216A (en) | 1975-05-24 |
| GB1487942A (en) | 1977-10-05 |