JPS635341Y2 - - Google Patents
Info
- Publication number
- JPS635341Y2 JPS635341Y2 JP428679U JP428679U JPS635341Y2 JP S635341 Y2 JPS635341 Y2 JP S635341Y2 JP 428679 U JP428679 U JP 428679U JP 428679 U JP428679 U JP 428679U JP S635341 Y2 JPS635341 Y2 JP S635341Y2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- conductor
- magnets
- magnet
- small
- 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
- 239000004020 conductor Substances 0.000 claims description 32
- 230000005291 magnetic effect Effects 0.000 claims description 18
- 238000000465 moulding Methods 0.000 description 5
- 229910017052 cobalt Inorganic materials 0.000 description 4
- 239000010941 cobalt Substances 0.000 description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 4
- -1 copper-substituted samarium Chemical class 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 229910052772 Samarium Inorganic materials 0.000 description 2
- 230000005520 electrodynamics Effects 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP428679U JPS635341Y2 (zh) | 1979-01-18 | 1979-01-18 | |
| US06/109,111 US4337379A (en) | 1979-01-16 | 1980-01-02 | Planar electrodynamic electroacoustic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP428679U JPS635341Y2 (zh) | 1979-01-18 | 1979-01-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55104893U JPS55104893U (zh) | 1980-07-22 |
| JPS635341Y2 true JPS635341Y2 (zh) | 1988-02-13 |
Family
ID=28809082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP428679U Expired JPS635341Y2 (zh) | 1979-01-16 | 1979-01-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS635341Y2 (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5181034B2 (ja) * | 2008-12-08 | 2013-04-10 | スミダコーポレーション株式会社 | 平面型音響変換装置 |
-
1979
- 1979-01-18 JP JP428679U patent/JPS635341Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55104893U (zh) | 1980-07-22 |
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