JPS628080B2 - - Google Patents
Info
- Publication number
- JPS628080B2 JPS628080B2 JP1905280A JP1905280A JPS628080B2 JP S628080 B2 JPS628080 B2 JP S628080B2 JP 1905280 A JP1905280 A JP 1905280A JP 1905280 A JP1905280 A JP 1905280A JP S628080 B2 JPS628080 B2 JP S628080B2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- graphite powder
- parts
- modulus
- speaker
- 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.)
- Expired
Links
- 239000000463 material Substances 0.000 claims description 32
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 239000002861 polymer material Substances 0.000 claims description 8
- 239000011162 core material Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 description 7
- 239000004014 plasticizer Substances 0.000 description 6
- 239000003381 stabilizer Substances 0.000 description 6
- 229920000459 Nitrile rubber Polymers 0.000 description 5
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 5
- 230000001590 oxidative effect Effects 0.000 description 5
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- UQLDLKMNUJERMK-UHFFFAOYSA-L di(octadecanoyloxy)lead Chemical compound [Pb+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O UQLDLKMNUJERMK-UHFFFAOYSA-L 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 239000005033 polyvinylidene chloride Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000005087 graphitization Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1905280A JPS56116398A (en) | 1980-02-20 | 1980-02-20 | Multiway coaxial flat plane type speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1905280A JPS56116398A (en) | 1980-02-20 | 1980-02-20 | Multiway coaxial flat plane type speaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56116398A JPS56116398A (en) | 1981-09-12 |
| JPS628080B2 true JPS628080B2 (enrdf_load_stackoverflow) | 1987-02-20 |
Family
ID=11988649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1905280A Granted JPS56116398A (en) | 1980-02-20 | 1980-02-20 | Multiway coaxial flat plane type speaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56116398A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62119097U (enrdf_load_stackoverflow) * | 1986-01-20 | 1987-07-28 | ||
| JPH0761200B2 (ja) * | 1991-10-16 | 1995-06-28 | ラックス株式会社 | スピーカ |
| WO2018021075A1 (ja) * | 2016-07-29 | 2018-02-01 | 第一精工株式会社 | 振動装置 |
-
1980
- 1980-02-20 JP JP1905280A patent/JPS56116398A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56116398A (en) | 1981-09-12 |
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