JPS6145639Y2 - - Google Patents
Info
- Publication number
- JPS6145639Y2 JPS6145639Y2 JP13204179U JP13204179U JPS6145639Y2 JP S6145639 Y2 JPS6145639 Y2 JP S6145639Y2 JP 13204179 U JP13204179 U JP 13204179U JP 13204179 U JP13204179 U JP 13204179U JP S6145639 Y2 JPS6145639 Y2 JP S6145639Y2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- speaker
- ambient noise
- output
- 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
- 238000010586 diagram Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13204179U JPS6145639Y2 (fr) | 1979-09-26 | 1979-09-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13204179U JPS6145639Y2 (fr) | 1979-09-26 | 1979-09-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5650119U JPS5650119U (fr) | 1981-05-02 |
JPS6145639Y2 true JPS6145639Y2 (fr) | 1986-12-22 |
Family
ID=29363675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13204179U Expired JPS6145639Y2 (fr) | 1979-09-26 | 1979-09-26 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6145639Y2 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH054335Y2 (fr) * | 1984-12-28 | 1993-02-03 |
-
1979
- 1979-09-26 JP JP13204179U patent/JPS6145639Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5650119U (fr) | 1981-05-02 |
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