JPH0749909Y2 - 電話機用送受話装置 - Google Patents
電話機用送受話装置Info
- Publication number
- JPH0749909Y2 JPH0749909Y2 JP1989032304U JP3230489U JPH0749909Y2 JP H0749909 Y2 JPH0749909 Y2 JP H0749909Y2 JP 1989032304 U JP1989032304 U JP 1989032304U JP 3230489 U JP3230489 U JP 3230489U JP H0749909 Y2 JPH0749909 Y2 JP H0749909Y2
- Authority
- JP
- Japan
- Prior art keywords
- voice coil
- diaphragm
- magnetic circuit
- lead
- distance
- 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 - Lifetime
Links
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 8
- 238000005491 wire drawing Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 229910052742 iron Inorganic materials 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000005520 electrodynamics Effects 0.000 description 4
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 230000003068 static 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 |
|---|---|---|---|
| JP1989032304U JPH0749909Y2 (ja) | 1989-03-22 | 1989-03-22 | 電話機用送受話装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989032304U JPH0749909Y2 (ja) | 1989-03-22 | 1989-03-22 | 電話機用送受話装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02123199U JPH02123199U (en]) | 1990-10-09 |
| JPH0749909Y2 true JPH0749909Y2 (ja) | 1995-11-13 |
Family
ID=31258718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989032304U Expired - Lifetime JPH0749909Y2 (ja) | 1989-03-22 | 1989-03-22 | 電話機用送受話装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0749909Y2 (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007208592A (ja) | 2006-02-01 | 2007-08-16 | Sanyo Electric Co Ltd | スピーカユニット |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58152093U (ja) * | 1982-04-05 | 1983-10-12 | セイコーインスツルメンツ株式会社 | 動電型スピ−カ |
-
1989
- 1989-03-22 JP JP1989032304U patent/JPH0749909Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02123199U (en]) | 1990-10-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |