DE69219691D1 - Schaltung zur detektion von störimpulsen in einem am-empfänger - Google Patents
Schaltung zur detektion von störimpulsen in einem am-empfängerInfo
- Publication number
- DE69219691D1 DE69219691D1 DE69219691T DE69219691T DE69219691D1 DE 69219691 D1 DE69219691 D1 DE 69219691D1 DE 69219691 T DE69219691 T DE 69219691T DE 69219691 T DE69219691 T DE 69219691T DE 69219691 D1 DE69219691 D1 DE 69219691D1
- Authority
- DE
- Germany
- Prior art keywords
- receiver
- circuit
- detecting interference
- interference pulses
- pulses
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
-
- 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
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3032635A JP2755497B2 (ja) | 1991-02-27 | 1991-02-27 | Am受信機におけるパルス性雑音検出回路 |
JP3032639A JPH0771014B2 (ja) | 1991-02-27 | 1991-02-27 | Am受信機におけるパルス性雑音検出回路 |
PCT/JP1992/000213 WO1992016056A1 (en) | 1991-02-27 | 1992-02-27 | Circuit for sensing pulse-like noise in am receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69219691D1 true DE69219691D1 (de) | 1997-06-19 |
DE69219691T2 DE69219691T2 (de) | 1997-09-11 |
Family
ID=26371221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69219691T Expired - Lifetime DE69219691T2 (de) | 1991-02-27 | 1992-02-27 | Schaltung zur detektion von störimpulsen in einem am-empfänger |
Country Status (6)
Country | Link |
---|---|
US (1) | US5303415A (de) |
EP (1) | EP0526662B1 (de) |
AU (1) | AU642342B2 (de) |
CA (1) | CA2081353C (de) |
DE (1) | DE69219691T2 (de) |
WO (1) | WO1992016056A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5794136A (en) * | 1996-09-24 | 1998-08-11 | Motorola, Inc. | Noise blanker and a radio receiver and method employing same |
US7035417B1 (en) * | 1999-04-05 | 2006-04-25 | Packard Thomas N | System for reducing noise in the reproduction of recorded sound signals |
JP2003520486A (ja) * | 2000-01-10 | 2003-07-02 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 送信システム |
EP1184976B1 (de) * | 2000-08-14 | 2005-05-18 | Sony International (Europe) GmbH | Rauschspitzenwertermittlung im AM-Empfang |
KR100468360B1 (ko) * | 2002-07-25 | 2005-01-27 | 인티그런트 테크놀로지즈(주) | 수신 장치의 선형성 개선을 위한 하모닉 회로 |
US6925114B2 (en) * | 2002-10-02 | 2005-08-02 | Delphi Technologies, Inc. | Weak signal processing based on impulse noise blanking |
JP2005197813A (ja) * | 2003-12-26 | 2005-07-21 | Pioneer Electronic Corp | ノイズ除去装置および受信機 |
JP4335020B2 (ja) * | 2004-01-15 | 2009-09-30 | パイオニア株式会社 | ノイズ除去装置 |
JP4765118B2 (ja) * | 2006-04-13 | 2011-09-07 | オンセミコンダクター・トレーディング・リミテッド | ノイズキャンセラ及びそれを用いたam受信装置 |
US9001941B2 (en) * | 2012-01-31 | 2015-04-07 | Analog Devices, Inc. | Method and apparatus to independently control front end gain and baseband gain |
JP2019110379A (ja) * | 2017-12-15 | 2019-07-04 | ルネサスエレクトロニクス株式会社 | 受信回路、伝送回路、及びシステム |
JP7117564B2 (ja) | 2018-03-29 | 2022-08-15 | パナソニックIpマネジメント株式会社 | 受信装置、受信方法、及び受信システム |
CN110995173B (zh) * | 2019-12-27 | 2023-04-18 | 西北核技术研究院 | 一种用于脉冲法拉第杯信号测量的信号处理方法和*** |
CN111290026A (zh) * | 2020-03-31 | 2020-06-16 | 湖南科技大学 | 一种压制电磁耦合干扰的电法勘探信号发送装置及方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3241073A (en) * | 1962-12-21 | 1966-03-15 | Motorola Inc | Impulse noise blanker for am radios |
JPS5364410A (en) * | 1976-11-19 | 1978-06-08 | Mitsubishi Electric Corp | Disturbance signal suppression circuit |
JPS6019172B2 (ja) * | 1978-07-17 | 1985-05-15 | 日本電気株式会社 | パルス性雑音除去回路 |
GB2030215A (en) * | 1978-09-27 | 1980-04-02 | Saunders Carburettor | Floatless carburettor |
JPS5735425A (en) * | 1980-08-11 | 1982-02-26 | Mitsubishi Electric Corp | Squelch device |
JPS60259031A (ja) * | 1984-06-06 | 1985-12-21 | Toshiba Corp | パルス雑音除去回路 |
JPS61200722A (ja) * | 1985-03-01 | 1986-09-05 | Clarion Co Ltd | 受信機のパルス雑音検出回路 |
US4637066A (en) * | 1985-07-02 | 1987-01-13 | General Motors Corporation | Noise blanking signal generator for AM radio |
JPS62132434A (ja) * | 1985-12-05 | 1987-06-15 | Clarion Co Ltd | ゲ−ト回路 |
JPS62175025A (ja) * | 1986-01-25 | 1987-07-31 | Fujitsu Ten Ltd | 雑音除去装置 |
US4899389A (en) * | 1987-02-17 | 1990-02-06 | Clarion Co., Ltd. | Pulsating noise removal device |
US4856084A (en) * | 1988-02-16 | 1989-08-08 | Sprague Electric Company | Noise blanking system for an AM radio receiver |
JPH01225229A (ja) * | 1988-03-03 | 1989-09-08 | Pioneer Electron Corp | Fm受信機におけるパルス性雑音除去装置 |
JPH0750861B2 (ja) * | 1988-08-10 | 1995-05-31 | パイオニア株式会社 | Fm受信機のパルス性ノイズ抑圧装置 |
US4965854A (en) * | 1988-11-30 | 1990-10-23 | General Electric Company | Noise blanker with continuous wave interference compensation |
JPH04134928A (ja) * | 1990-09-26 | 1992-05-08 | Pioneer Electron Corp | ノイズ除去回路 |
-
1992
- 1992-02-27 CA CA002081353A patent/CA2081353C/en not_active Expired - Lifetime
- 1992-02-27 US US07/938,147 patent/US5303415A/en not_active Expired - Lifetime
- 1992-02-27 AU AU13377/92A patent/AU642342B2/en not_active Expired
- 1992-02-27 DE DE69219691T patent/DE69219691T2/de not_active Expired - Lifetime
- 1992-02-27 WO PCT/JP1992/000213 patent/WO1992016056A1/ja active IP Right Grant
- 1992-02-27 EP EP92906207A patent/EP0526662B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU642342B2 (en) | 1993-10-14 |
CA2081353C (en) | 1999-02-02 |
AU1337792A (en) | 1992-10-06 |
WO1992016056A1 (en) | 1992-09-17 |
EP0526662A4 (en) | 1994-12-07 |
US5303415A (en) | 1994-04-12 |
EP0526662B1 (de) | 1997-05-14 |
EP0526662A1 (de) | 1993-02-10 |
DE69219691T2 (de) | 1997-09-11 |
CA2081353A1 (en) | 1992-08-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |