WO2003013011A1 - Appareil reducteur de bruit - Google Patents
Appareil reducteur de bruit Download PDFInfo
- Publication number
- WO2003013011A1 WO2003013011A1 PCT/JP2002/007755 JP0207755W WO03013011A1 WO 2003013011 A1 WO2003013011 A1 WO 2003013011A1 JP 0207755 W JP0207755 W JP 0207755W WO 03013011 A1 WO03013011 A1 WO 03013011A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- signal
- pulse
- frequency
- saw
- tooth
- Prior art date
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
- H04B1/69—Spread spectrum techniques
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/380,110 US20040086037A1 (en) | 2001-07-30 | 2002-07-30 | Noise reduction apparatus |
JP2003518074A JP4166692B2 (ja) | 2001-07-30 | 2002-07-30 | ノイズリダクション装置およびキャリア再生装置 |
EP02751814A EP1414160A4 (en) | 2001-07-30 | 2002-07-30 | NOISE REDUCING APPARATUS |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001-229506 | 2001-07-30 | ||
JP2001229506 | 2001-07-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003013011A1 true WO2003013011A1 (fr) | 2003-02-13 |
Family
ID=19061845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/007755 WO2003013011A1 (fr) | 2001-07-30 | 2002-07-30 | Appareil reducteur de bruit |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040086037A1 (ja) |
EP (1) | EP1414160A4 (ja) |
JP (1) | JP4166692B2 (ja) |
CN (1) | CN1221082C (ja) |
WO (1) | WO2003013011A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104252863A (zh) * | 2013-06-28 | 2014-12-31 | 上海通用汽车有限公司 | 车载收音机的音频降噪处理系统及方法 |
CN110520921B (zh) * | 2017-06-22 | 2023-08-25 | 斯纳普公司 | 用于驱动显示设备的系统和方法 |
CN109413258B (zh) * | 2017-08-18 | 2021-03-26 | 成都鼎桥通信技术有限公司 | 一种集群终端的省电方法 |
CN110459001A (zh) * | 2019-07-31 | 2019-11-15 | 浪潮金融信息技术有限公司 | 一种适用于自助售货机系统的红外光栅检货方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6490634A (en) * | 1987-10-01 | 1989-04-07 | Kokusai Electric Co Ltd | Receiver for spread spectrum signal |
JPH09247111A (ja) * | 1996-03-06 | 1997-09-19 | Nec Corp | 副信号多重化方法とその回路 |
JPH1084331A (ja) * | 1996-09-06 | 1998-03-31 | Ibiden Sangyo Kk | スペクトル拡散通信方法及びその装置 |
JP2000115266A (ja) * | 1998-10-09 | 2000-04-21 | Futaba Corp | シンボル同期装置および周波数ホッピング受信装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3885552A (en) * | 1972-11-16 | 1975-05-27 | Pacemaker Diagnostic Clinic Of | Cardiac function monitoring system and method for use in association with cardiac pacer apparatus |
DE2913172B2 (de) * | 1979-04-02 | 1981-06-11 | Siemens AG, 1000 Berlin und 8000 München | Empfänger für hochfrequente elektromagneitsche Schwingungen mit einer Frequenznachregelung |
US4497063A (en) * | 1981-06-26 | 1985-01-29 | Pioneer Electronic Corporation | FM stereo demodulator |
JPH02283129A (ja) * | 1989-04-24 | 1990-11-20 | Alpine Electron Inc | Fm受信機のマルチパスノイズ低減回路 |
ATE133017T1 (de) * | 1990-04-19 | 1996-01-15 | Austria Mikrosysteme Int | Monolithisch integrierter hochauflösender analog- digital-umsetzer |
JP2845253B2 (ja) * | 1992-07-15 | 1999-01-13 | 日本電気株式会社 | キードパルス検出回路 |
US5748891A (en) * | 1994-07-22 | 1998-05-05 | Aether Wire & Location | Spread spectrum localizers |
US5717296A (en) * | 1995-05-08 | 1998-02-10 | Hitachi, Ltd. | Display device |
-
2002
- 2002-07-30 WO PCT/JP2002/007755 patent/WO2003013011A1/ja not_active Application Discontinuation
- 2002-07-30 EP EP02751814A patent/EP1414160A4/en not_active Withdrawn
- 2002-07-30 JP JP2003518074A patent/JP4166692B2/ja not_active Expired - Fee Related
- 2002-07-30 US US10/380,110 patent/US20040086037A1/en not_active Abandoned
- 2002-07-30 CN CNB028026845A patent/CN1221082C/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6490634A (en) * | 1987-10-01 | 1989-04-07 | Kokusai Electric Co Ltd | Receiver for spread spectrum signal |
JPH09247111A (ja) * | 1996-03-06 | 1997-09-19 | Nec Corp | 副信号多重化方法とその回路 |
JPH1084331A (ja) * | 1996-09-06 | 1998-03-31 | Ibiden Sangyo Kk | スペクトル拡散通信方法及びその装置 |
JP2000115266A (ja) * | 1998-10-09 | 2000-04-21 | Futaba Corp | シンボル同期装置および周波数ホッピング受信装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1414160A4 * |
Also Published As
Publication number | Publication date |
---|---|
CN1221082C (zh) | 2005-09-28 |
US20040086037A1 (en) | 2004-05-06 |
JPWO2003013011A1 (ja) | 2004-11-25 |
EP1414160A4 (en) | 2006-04-12 |
EP1414160A1 (en) | 2004-04-28 |
CN1466820A (zh) | 2004-01-07 |
JP4166692B2 (ja) | 2008-10-15 |
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