JPS57173297A - Speaker diaphragm and its manufacture - Google Patents
Speaker diaphragm and its manufactureInfo
- Publication number
- JPS57173297A JPS57173297A JP5799481A JP5799481A JPS57173297A JP S57173297 A JPS57173297 A JP S57173297A JP 5799481 A JP5799481 A JP 5799481A JP 5799481 A JP5799481 A JP 5799481A JP S57173297 A JPS57173297 A JP S57173297A
- Authority
- JP
- Japan
- Prior art keywords
- aluminum plate
- core
- stuck
- prescribed interval
- foamed material
- Prior art date
- 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
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
- H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5799481A JPS57173297A (en) | 1981-04-17 | 1981-04-17 | Speaker diaphragm and its manufacture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5799481A JPS57173297A (en) | 1981-04-17 | 1981-04-17 | Speaker diaphragm and its manufacture |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57173297A true JPS57173297A (en) | 1982-10-25 |
JPH0237759B2 JPH0237759B2 (enrdf_load_stackoverflow) | 1990-08-27 |
Family
ID=13071552
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5799481A Granted JPS57173297A (en) | 1981-04-17 | 1981-04-17 | Speaker diaphragm and its manufacture |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57173297A (enrdf_load_stackoverflow) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54133125A (en) * | 1978-04-06 | 1979-10-16 | Matsushita Electric Ind Co Ltd | Diaphragm for speaker |
-
1981
- 1981-04-17 JP JP5799481A patent/JPS57173297A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54133125A (en) * | 1978-04-06 | 1979-10-16 | Matsushita Electric Ind Co Ltd | Diaphragm for speaker |
Also Published As
Publication number | Publication date |
---|---|
JPH0237759B2 (enrdf_load_stackoverflow) | 1990-08-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT8012506A0 (it) | Dispositivo a regolazione elettronica per il taglio progressivo in foglietti di una bobina di nastro dimateriale in foglio anche stampato | |
DE3062908D1 (en) | Thin magnetic film heads | |
AU543500B2 (en) | Piezoelectric transducer | |
AU554964B2 (en) | Ligator with rocking clip retaining escapement | |
AU5645780A (en) | Pocketed spring assembly | |
AU527759B2 (en) | Sheets coated with thermally responsive material | |
AU5688080A (en) | Piezo-electric film manufacture | |
JPS5644118A (en) | Thin film magnetic head and production thereof | |
GB8331722D0 (en) | Manufacturing thin film magnetic head | |
DE3377888D1 (en) | Electro-acoustic transducer with diaphragm | |
JPS57173297A (en) | Speaker diaphragm and its manufacture | |
FR2336721B1 (enrdf_load_stackoverflow) | ||
PT70809A (en) | Process for the preparation of carbonylalkyl phenoxycarboxylic with herbicidal effect | |
JPS5613896A (en) | Speaker diaphragm | |
AU4841179A (en) | Dispenser with wetted sheet-like material | |
JPS56112705A (en) | Increase in adhesion of permanent magnet to magnetic unit | |
JPS5624016A (en) | Gas absorbing element | |
JPS55130188A (en) | Device for supporting laser tube | |
JPS56114498A (en) | Plane diaphragm | |
JPS56114497A (en) | Plane diaphragm | |
JPS55130108A (en) | Voice coil and manufacture thereof | |
JPS5639697A (en) | Voice coil unit | |
GB8328339D0 (en) | Manufacturing magnetic thin film transducer heads | |
JPS56129498A (en) | Manufacture for diaphragm plate for speaker | |
SU580171A1 (ru) | Устройство дл намотки нитевидного материала |