JPS623997Y2 - - Google Patents
Info
- Publication number
- JPS623997Y2 JPS623997Y2 JP184481U JP184481U JPS623997Y2 JP S623997 Y2 JPS623997 Y2 JP S623997Y2 JP 184481 U JP184481 U JP 184481U JP 184481 U JP184481 U JP 184481U JP S623997 Y2 JPS623997 Y2 JP S623997Y2
- Authority
- JP
- Japan
- Prior art keywords
- voice coil
- bobbin
- coil
- speaker
- present
- 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
- 239000000843 powder Substances 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 229920001187 thermosetting polymer Polymers 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 229920001721 polyimide Polymers 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 239000009719 polyimide resin Substances 0.000 description 4
- 239000006229 carbon black Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 150000003949 imides Chemical class 0.000 description 3
- 239000002966 varnish Substances 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000004760 aramid Substances 0.000 description 2
- 229920003235 aromatic polyamide Polymers 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000002655 kraft paper Substances 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229920000784 Nomex Polymers 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004763 nomex Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP184481U JPS623997Y2 (enrdf_load_stackoverflow) | 1981-01-09 | 1981-01-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP184481U JPS623997Y2 (enrdf_load_stackoverflow) | 1981-01-09 | 1981-01-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57115796U JPS57115796U (enrdf_load_stackoverflow) | 1982-07-17 |
| JPS623997Y2 true JPS623997Y2 (enrdf_load_stackoverflow) | 1987-01-29 |
Family
ID=29800277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP184481U Expired JPS623997Y2 (enrdf_load_stackoverflow) | 1981-01-09 | 1981-01-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS623997Y2 (enrdf_load_stackoverflow) |
-
1981
- 1981-01-09 JP JP184481U patent/JPS623997Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57115796U (enrdf_load_stackoverflow) | 1982-07-17 |
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