JPS6440992U - - Google Patents
Info
- Publication number
- JPS6440992U JPS6440992U JP13647987U JP13647987U JPS6440992U JP S6440992 U JPS6440992 U JP S6440992U JP 13647987 U JP13647987 U JP 13647987U JP 13647987 U JP13647987 U JP 13647987U JP S6440992 U JPS6440992 U JP S6440992U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- variable gain
- gain amplifier
- earphone
- inputs
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 4
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13647987U JPS6440992U (de) | 1987-09-07 | 1987-09-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13647987U JPS6440992U (de) | 1987-09-07 | 1987-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6440992U true JPS6440992U (de) | 1989-03-10 |
Family
ID=31397029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13647987U Pending JPS6440992U (de) | 1987-09-07 | 1987-09-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6440992U (de) |
-
1987
- 1987-09-07 JP JP13647987U patent/JPS6440992U/ja active Pending