JPS6313635B2 - - Google Patents
Info
- Publication number
- JPS6313635B2 JPS6313635B2 JP3905081A JP3905081A JPS6313635B2 JP S6313635 B2 JPS6313635 B2 JP S6313635B2 JP 3905081 A JP3905081 A JP 3905081A JP 3905081 A JP3905081 A JP 3905081A JP S6313635 B2 JPS6313635 B2 JP S6313635B2
- Authority
- JP
- Japan
- Prior art keywords
- dust cap
- internal loss
- shape
- styrene
- dome
- 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
- 239000000428 dust Substances 0.000 claims description 16
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 8
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 229920006026 co-polymeric resin Polymers 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002759 woven fabric Substances 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3905081A JPS57152796A (en) | 1981-03-17 | 1981-03-17 | Dust cap for speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3905081A JPS57152796A (en) | 1981-03-17 | 1981-03-17 | Dust cap for speaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57152796A JPS57152796A (en) | 1982-09-21 |
| JPS6313635B2 true JPS6313635B2 (enExample) | 1988-03-26 |
Family
ID=12542294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3905081A Granted JPS57152796A (en) | 1981-03-17 | 1981-03-17 | Dust cap for speaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57152796A (enExample) |
-
1981
- 1981-03-17 JP JP3905081A patent/JPS57152796A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57152796A (en) | 1982-09-21 |
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