JPS6134302B2 - - Google Patents
Info
- Publication number
- JPS6134302B2 JPS6134302B2 JP12398478A JP12398478A JPS6134302B2 JP S6134302 B2 JPS6134302 B2 JP S6134302B2 JP 12398478 A JP12398478 A JP 12398478A JP 12398478 A JP12398478 A JP 12398478A JP S6134302 B2 JPS6134302 B2 JP S6134302B2
- Authority
- JP
- Japan
- Prior art keywords
- noise
- circuit
- detection circuit
- signal
- field strength
- 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 63
- 230000005684 electric field Effects 0.000 claims description 18
- 230000009467 reduction Effects 0.000 claims description 11
- 238000012216 screening Methods 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 description 17
- 230000003321 amplification Effects 0.000 description 15
- 238000003199 nucleic acid amplification method Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 11
- 230000008859 change Effects 0.000 description 6
- 230000001629 suppression Effects 0.000 description 6
- 230000004044 response Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000009429 electrical wiring Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001052 transient effect 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
- H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
- H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking
Landscapes
- Noise Elimination (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12398478A JPS5550746A (en) | 1978-10-07 | 1978-10-07 | Noise reduction unit for automobile audio equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12398478A JPS5550746A (en) | 1978-10-07 | 1978-10-07 | Noise reduction unit for automobile audio equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5550746A JPS5550746A (en) | 1980-04-12 |
JPS6134302B2 true JPS6134302B2 (de) | 1986-08-07 |
Family
ID=14874156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12398478A Granted JPS5550746A (en) | 1978-10-07 | 1978-10-07 | Noise reduction unit for automobile audio equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5550746A (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5769339U (de) * | 1980-10-14 | 1982-04-26 | ||
JPS57148935U (de) * | 1981-03-12 | 1982-09-18 | ||
JPS57187154A (en) * | 1981-05-15 | 1982-11-17 | Toyota Motor Corp | Method and device for inspecting quality of product produced by die casting machine |
JPS57196631A (en) * | 1981-05-28 | 1982-12-02 | Sanyo Electric Co Ltd | Detecting circuit for pulse noise |
JPS6054262A (ja) * | 1983-05-09 | 1985-03-28 | Ube Ind Ltd | 射出成形装置のシリンダ速度監視制御方法 |
DE3334735A1 (de) * | 1983-09-26 | 1985-04-18 | Gerhard Prof. Dr.-Ing. 8012 Ottobrunn Flachenecker | Detektor zum anzeigen von empfangsstoerungen bei mehrwegeempfang |
JPS62151259A (ja) * | 1985-12-25 | 1987-07-06 | Ube Ind Ltd | 射出成形装置における成形品の良否判別方法 |
JPH0318464A (ja) * | 1989-06-13 | 1991-01-28 | Kobe Steel Ltd | 局部加圧併用式ダイカスト装置 |
EP1213832A1 (de) * | 2000-12-05 | 2002-06-12 | Semiconductor Ideas to The Market (ItoM) BV | AM-Empfänger mit Audiofilter |
JP5724668B2 (ja) * | 2011-06-23 | 2015-05-27 | トヨタ自動車株式会社 | 車載ラジオノイズ低減システム |
-
1978
- 1978-10-07 JP JP12398478A patent/JPS5550746A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5550746A (en) | 1980-04-12 |
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