JPS5029028A - - Google Patents
Info
- Publication number
- JPS5029028A JPS5029028A JP48081162A JP8116273A JPS5029028A JP S5029028 A JPS5029028 A JP S5029028A JP 48081162 A JP48081162 A JP 48081162A JP 8116273 A JP8116273 A JP 8116273A JP S5029028 A JPS5029028 A JP S5029028A
- 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.)
- Granted
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)
- Paper (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8116273A JPS5346087B2 (US08142518-20120327-C00011.png) | 1973-07-19 | 1973-07-19 | |
| US489156A US3907063A (en) | 1973-07-19 | 1974-07-17 | Non-flammable paper for speaker cones |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8116273A JPS5346087B2 (US08142518-20120327-C00011.png) | 1973-07-19 | 1973-07-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5029028A true JPS5029028A (US08142518-20120327-C00011.png) | 1975-03-24 |
| JPS5346087B2 JPS5346087B2 (US08142518-20120327-C00011.png) | 1978-12-11 |
Family
ID=13738742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8116273A Expired JPS5346087B2 (US08142518-20120327-C00011.png) | 1973-07-19 | 1973-07-19 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3907063A (US08142518-20120327-C00011.png) |
| JP (1) | JPS5346087B2 (US08142518-20120327-C00011.png) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4086449A (en) * | 1974-05-14 | 1978-04-25 | Matsushita Electric Industrial Co., Ltd. | Loudspeaker with burning resistant diaphragm |
| GB1563511A (en) * | 1976-03-19 | 1980-03-26 | Harwood H | Diaphragms for electroacoustic transducers |
| DE2941644C2 (de) * | 1978-10-17 | 1982-11-11 | Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka | Lautsprechermembran und Verfahren zu ihrer Herstellung |
| EP0034503B1 (en) * | 1980-02-21 | 1984-05-16 | Wharfedale Limited | Improvements in moving coil loudspeakers |
| JPS57199397A (en) * | 1981-06-01 | 1982-12-07 | Pioneer Electronic Corp | Diaphragm with flame resistance |
| JPS581396A (ja) * | 1981-06-26 | 1983-01-06 | Pioneer Electronic Corp | 難燃性のスピ−カ用振動板 |
| US5920040A (en) * | 1997-02-27 | 1999-07-06 | Kenneth R. Lavacot | Speaker diaphragm |
| JP2005229442A (ja) * | 2004-02-13 | 2005-08-25 | Pioneer Electronic Corp | スピーカ用部品及びその製造方法、並びに、該部品を用いたスピーカ装置 |
| JP2006093994A (ja) * | 2004-09-22 | 2006-04-06 | Pioneer Electronic Corp | スピーカ用振動板及びその形成方法 |
| KR101464132B1 (ko) * | 2013-12-09 | 2014-11-21 | 에스텍 주식회사 | 종이 진동판의 제조방법 |
| US9492961B2 (en) * | 2014-08-01 | 2016-11-15 | Usg Interiors, Llc | Acoustic ceiling tiles with anti-sagging properties and methods of making same |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1759387A (en) * | 1928-10-16 | 1930-05-20 | Specialty Insulation Mfg Compa | Acoustic diaphragm and process for its manufacture |
| US2416447A (en) * | 1943-07-27 | 1947-02-25 | Du Pont | Weather resistant flameproof paper |
| US3092537A (en) * | 1959-06-05 | 1963-06-04 | Cons Paper Corp Ltd | Flameproofing of organic materials |
| US3436494A (en) * | 1965-10-11 | 1969-04-01 | R T Bozak Mfg Co The | Compliant annulus for loudspeaker and related circuit |
| US3560441A (en) * | 1968-12-16 | 1971-02-02 | M & T Chemicals Inc | Antimony trioxide inorganic compound glass flame retardant compositions and methods for their preparation |
| US3624028A (en) * | 1970-05-12 | 1971-11-30 | Phillips Petroleum Co | Processing of flame-resistant polymers |
| US3738958A (en) * | 1972-02-10 | 1973-06-12 | Thiokol Chemical Corp | Synergistic flame retarding composition for polypropylene of 1,2,3,4,5-pentabromo-6-chlorocyclohexane,tetrabromophthalic anhydride and antimony trioxide |
-
1973
- 1973-07-19 JP JP8116273A patent/JPS5346087B2/ja not_active Expired
-
1974
- 1974-07-17 US US489156A patent/US3907063A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5346087B2 (US08142518-20120327-C00011.png) | 1978-12-11 |
| US3907063A (en) | 1975-09-23 |
