JPS60142540U - Pulse noise removal device - Google Patents
Pulse noise removal deviceInfo
- Publication number
- JPS60142540U JPS60142540U JP1984029642U JP2964284U JPS60142540U JP S60142540 U JPS60142540 U JP S60142540U JP 1984029642 U JP1984029642 U JP 1984029642U JP 2964284 U JP2964284 U JP 2964284U JP S60142540 U JPS60142540 U JP S60142540U
- Authority
- JP
- Japan
- Prior art keywords
- detection signal
- removal device
- pulse noise
- noise removal
- noise
- 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.)
- Granted
Links
Landscapes
- Noise Elimination (AREA)
- Stereo-Broadcasting Methods (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はパルス性ノイズ除去装置の従来例を示すブロッ
ク図、第２図は第１図の装置中の一部分の具体的構成を
示す回路図、第３図は本考案の実施例を示すブロック図
、第４図は第３図の装置中 、の抽出−路及び減算
回路の具体的構成、を示す回路 −−”−ＩＥ’ｊ
！’１６９１’）Ｒ４（Ｄｍ”ＪＪ、 ９””ｔｄａＤ
Ｗ＆、１゜・・・・・・減算回路、１７，３０・・・・
・・オンオフスイッ ′チ、２９・・・・・・オペア
ンプ。Fig. 1 is a block diagram showing a conventional example of a pulse noise removal device, Fig. 2 is a circuit diagram showing a specific configuration of a part of the device in Fig. 1, and Fig. 3 is a block diagram showing an embodiment of the present invention. 4 is a circuit showing a specific configuration of the extraction path and subtraction circuit in the apparatus of FIG. 3.
! '1691') R4 (Dm"JJ, 9""tdaD
W&, 1°... Subtraction circuit, 17, 30...
・・On/off switch, 29・・・・Op amp.
Claims (1)
キＱときにノイズ検出信号を発生する検出手段と、前記
ノイズ検出信号に応じて前記パル、ス性ノイズ成分を抽
出する抽出手段と、前記ノイズ検出信号の非存在時に前
ｙＭ検波信号に前記抽出手段の出力信号を加算し該加算
値からの前記。 、 抽出手段の出力信号を減算−して出力し前記ノ
イズ検出信号の存在時に前記ＦＭ検波信号から前記抽゛
出手段の出力信号を減算して出力する演算手段と５ か
らなることを特徴とするパルス性ノイズ除去装置。[Claims for Utility Model Registration] Detecting means for generating a noise detection signal when a pulse noise component included in an FM detection signal reaches a predetermined value; an extraction means for extracting the component, and an output signal of the extraction means is added to the previous yM detection signal when the noise detection signal is not present, and the above is extracted from the added value. , arithmetic means for subtracting and outputting the output signal of the extracting means, and subtracting and outputting the output signal of the extracting means from the FM detection signal when the noise detection signal is present; and 5. Pulse noise removal device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984029642U JPS60142540U (en) | 1984-02-29 | 1984-02-29 | Pulse noise removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984029642U JPS60142540U (en) | 1984-02-29 | 1984-02-29 | Pulse noise removal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60142540U true JPS60142540U (en) | 1985-09-20 |
| JPH0413857Y2 JPH0413857Y2 (en) | 1992-03-30 |
Family
ID=30528637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984029642U Granted JPS60142540U (en) | 1984-02-29 | 1984-02-29 | Pulse noise removal device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60142540U (en) |
-
1984
- 1984-02-29 JP JP1984029642U patent/JPS60142540U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0413857Y2 (en) | 1992-03-30 |
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