JPS4841729A - - Google Patents
Info
- Publication number
- JPS4841729A JPS4841729A JP47059108A JP5910872A JPS4841729A JP S4841729 A JPS4841729 A JP S4841729A JP 47059108 A JP47059108 A JP 47059108A JP 5910872 A JP5910872 A JP 5910872A JP S4841729 A JPS4841729 A JP S4841729A
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
-
- 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
- H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
- H04R7/125—Non-planar diaphragms or cones comprising a plurality of sections or layers comprising a plurality of superposed layers in contact
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Manufacturing & Machinery (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18313571A | 1971-09-23 | 1971-09-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4841729A true JPS4841729A (OSRAM) | 1973-06-18 |
Family
ID=22671596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47059108A Pending JPS4841729A (OSRAM) | 1971-09-23 | 1972-06-15 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3768590A (OSRAM) |
| JP (1) | JPS4841729A (OSRAM) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0185833A1 (en) * | 1984-12-27 | 1986-07-02 | Audiotecnica Italina srl | Membrane in plastic materials for loudspeakers |
| JPH0695798B2 (ja) * | 1986-08-04 | 1994-11-24 | 松下電器産業株式会社 | スピ−カ用振動板 |
| US6644182B1 (en) * | 2002-09-23 | 2003-11-11 | Chui-Che Chen | Method of producing cone diaphragm having color patterns |
| DK2474171T3 (da) * | 2007-07-25 | 2015-02-16 | Sinar Baja Electric Ltd | Ringformet membran til elektro-akustisk højtaler |
| US10393155B2 (en) * | 2017-08-21 | 2019-08-27 | Out of the Box Audio, LLC | Methods and apparatus for improving sound within an acoustical boundary layer |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2006830A (en) * | 1930-12-24 | 1935-07-02 | Jesse B Hawley | Sound reproducing diaphragm |
| US2017496A (en) * | 1930-12-24 | 1935-10-15 | Jesse B Hawley | Method of making sound reproducing diaphragms |
| US1984019A (en) * | 1932-05-25 | 1934-12-11 | Jesse B Hawley | Fibrous sound reproducing diaphragmatic members and means for and method of making the same |
| US2619012A (en) * | 1947-08-05 | 1952-11-25 | Joseph B Brennan | Method of making loud-speaker diaphragms |
| US2605855A (en) * | 1948-12-22 | 1952-08-05 | Hawley Products Co | Method of making acoustic diaphragms |
| US3253970A (en) * | 1962-01-31 | 1966-05-31 | Hawley Products Co | Molding, decorating and finishing die dried fibrous articles |
-
1971
- 1971-09-23 US US00183135A patent/US3768590A/en not_active Expired - Lifetime
-
1972
- 1972-06-15 JP JP47059108A patent/JPS4841729A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3768590A (en) | 1973-10-30 |