JPS6077138U - noise suppression device - Google Patents

noise suppression device

Info

Publication number
JPS6077138U
JPS6077138U JP16895783U JP16895783U JPS6077138U JP S6077138 U JPS6077138 U JP S6077138U JP 16895783 U JP16895783 U JP 16895783U JP 16895783 U JP16895783 U JP 16895783U JP S6077138 U JPS6077138 U JP S6077138U
Authority
JP
Japan
Prior art keywords
signal
suppression device
noise suppression
received signal
detecting
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
Application number
JP16895783U
Other languages
Japanese (ja)
Other versions
JPH0336119Y2 (en
Inventor
俊人 市川
Original Assignee
パイオニア株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP16895783U priority Critical patent/JPS6077138U/en
Publication of JPS6077138U publication Critical patent/JPS6077138U/en
Application granted granted Critical
Publication of JPH0336119Y2 publication Critical patent/JPH0336119Y2/ja
Granted legal-status Critical Current

Links

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来のノイズ抑圧装置を示すブロック図、第２
図は本考案の実施例のブロック図、第３図は第２図のブ
ロックの１部具体例を示す図である。 主要部分の符号の説明、３・・・検波器、４−・・・帯
域制限回路、７・・・ＰＬＬ回路、８・・・乗算器、９
・・・ＬＰＦ　。Figure 1 is a block diagram showing a conventional noise suppression device, Figure 2 is a block diagram showing a conventional noise suppression device.
The figure is a block diagram of an embodiment of the present invention, and FIG. 3 is a diagram showing a specific example of a part of the blocks in FIG. 2. Explanation of symbols of main parts, 3... Detector, 4-... Band limit circuit, 7... PLL circuit, 8... Multiplier, 9
...LPF.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）受信機のノイズ抑圧装置であって、受信信号に含
有されるノイズ成分を検出する手段と、この検出出力に
応じて検波信号の通過周波数帯域を制御する手段とを含
むノイズ抑圧装置。(1) A noise suppression device for a receiver, which includes means for detecting a noise component contained in a received signal, and means for controlling a pass frequency band of a detected signal according to the detection output. （２）前記ノイズ成分を検出する手段は、前記受信信号
のキャリヤに対し？ｒ／２だけ位相がずれた信号を発生
する信号発生手段と、この信号発生手段により生じた信
号と前記受信信号とを乗算する乗算手段と、この乗算手
段の出力の低域成分を抽出する抽出手段とを有すること
を特徴とする実用新案登録請求の範囲第１項記載のノイ
ズ抑圧装置。(2) Does the means for detecting the noise component correspond to the carrier of the received signal? Signal generation means for generating a signal with a phase shift of r/2, multiplication means for multiplying the signal generated by the signal generation means and the received signal, and extraction for extracting a low-frequency component of the output of the multiplication means. A noise suppression device according to claim 1, characterized in that it has means.
JP16895783U 1983-10-31 1983-10-31 noise suppression device Granted JPS6077138U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16895783U JPS6077138U (en) 1983-10-31 1983-10-31 noise suppression device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16895783U JPS6077138U (en) 1983-10-31 1983-10-31 noise suppression device

Publications (2)

Publication Number Publication Date
JPS6077138U true JPS6077138U (en) 1985-05-29
JPH0336119Y2 JPH0336119Y2 (en) 1991-07-31

Family

ID=30369231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16895783U Granted JPS6077138U (en) 1983-10-31 1983-10-31 noise suppression device

Country Status (1)

Country Link
JP (1) JPS6077138U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54152802A (en) * 1978-05-23 1979-12-01 Fujitsu Ltd Error rate supervisory system
JPS57168339U (en) * 1981-04-17 1982-10-23

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54152802A (en) * 1978-05-23 1979-12-01 Fujitsu Ltd Error rate supervisory system
JPS57168339U (en) * 1981-04-17 1982-10-23

Also Published As

Publication number Publication date
JPH0336119Y2 (en) 1991-07-31

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