JPH0244392Y2 - - Google Patents
Info
- Publication number
- JPH0244392Y2 JPH0244392Y2 JP4217682U JP4217682U JPH0244392Y2 JP H0244392 Y2 JPH0244392 Y2 JP H0244392Y2 JP 4217682 U JP4217682 U JP 4217682U JP 4217682 U JP4217682 U JP 4217682U JP H0244392 Y2 JPH0244392 Y2 JP H0244392Y2
- Authority
- JP
- Japan
- Prior art keywords
- frequency band
- audio
- predetermined frequency
- external sound
- signal
- 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
- 238000001514 detection method Methods 0.000 claims description 10
- 230000005236 sound signal Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims 2
- 241000269400 Sirenidae Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Noise Elimination (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4217682U JPS58144611U (ja) | 1982-03-25 | 1982-03-25 | 外来音聴取回路を備えた車載用オ−デイオ装置 |
US06/477,926 US4517417A (en) | 1982-03-25 | 1983-03-23 | Communication system for a motor vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4217682U JPS58144611U (ja) | 1982-03-25 | 1982-03-25 | 外来音聴取回路を備えた車載用オ−デイオ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58144611U JPS58144611U (ja) | 1983-09-29 |
JPH0244392Y2 true JPH0244392Y2 (en]) | 1990-11-26 |
Family
ID=30053316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4217682U Granted JPS58144611U (ja) | 1982-03-25 | 1982-03-25 | 外来音聴取回路を備えた車載用オ−デイオ装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58144611U (en]) |
-
1982
- 1982-03-25 JP JP4217682U patent/JPS58144611U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58144611U (ja) | 1983-09-29 |
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