JPH0212061B2 - - Google Patents
Info
- Publication number
- JPH0212061B2 JPH0212061B2 JP19008781A JP19008781A JPH0212061B2 JP H0212061 B2 JPH0212061 B2 JP H0212061B2 JP 19008781 A JP19008781 A JP 19008781A JP 19008781 A JP19008781 A JP 19008781A JP H0212061 B2 JPH0212061 B2 JP H0212061B2
- Authority
- JP
- Japan
- Prior art keywords
- noise
- signal
- vehicle
- detection unit
- 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
- 238000001514 detection method Methods 0.000 claims description 24
- 239000003990 capacitor Substances 0.000 description 6
- 230000005236 sound signal Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Noise Elimination (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19008781A JPS5892116A (ja) | 1981-11-27 | 1981-11-27 | 車両用ノイズ検出装置 |
US06/399,688 US4525870A (en) | 1981-07-20 | 1982-07-19 | Automotive radio receiver with radio frequency interference elimination circuit |
DE19823227129 DE3227129A1 (de) | 1981-07-20 | 1982-07-20 | Kraftfahrzeugrundfunkempfaenger mit hochfrequenzinterferenz-unterdrueckungsschaltung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19008781A JPS5892116A (ja) | 1981-11-27 | 1981-11-27 | 車両用ノイズ検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5892116A JPS5892116A (ja) | 1983-06-01 |
JPH0212061B2 true JPH0212061B2 (de) | 1990-03-16 |
Family
ID=16252144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19008781A Granted JPS5892116A (ja) | 1981-07-20 | 1981-11-27 | 車両用ノイズ検出装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5892116A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0260332A (ja) * | 1988-08-26 | 1990-02-28 | Isuzu Motors Ltd | データ収集装置 |
JP5029439B2 (ja) | 2008-03-14 | 2012-09-19 | 富士通株式会社 | 無線通信装置及び干渉除去方法 |
JP5029510B2 (ja) * | 2008-06-23 | 2012-09-19 | 株式会社デンソー | 車載無線装置用ノイズ低減装置 |
-
1981
- 1981-11-27 JP JP19008781A patent/JPS5892116A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5892116A (ja) | 1983-06-01 |
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