DE60034008T2 - Rauschreduzierung und Dynamikregelung für ein Radiosystem - Google Patents
Rauschreduzierung und Dynamikregelung für ein Radiosystem Download PDFInfo
- Publication number
- DE60034008T2 DE60034008T2 DE60034008T DE60034008T DE60034008T2 DE 60034008 T2 DE60034008 T2 DE 60034008T2 DE 60034008 T DE60034008 T DE 60034008T DE 60034008 T DE60034008 T DE 60034008T DE 60034008 T2 DE60034008 T2 DE 60034008T2
- Authority
- DE
- Germany
- Prior art keywords
- signal
- radio
- output
- end circuit
- circuit
- 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 - Fee Related
Links
- 230000009467 reduction Effects 0.000 title description 14
- 238000012545 processing Methods 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000012546 transfer Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 238000005457 optimization Methods 0.000 description 22
- 238000010586 diagram Methods 0.000 description 18
- 230000004048 modification Effects 0.000 description 10
- 238000012986 modification Methods 0.000 description 10
- 230000005236 sound signal Effects 0.000 description 9
- 230000008901 benefit Effects 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- 230000009849 deactivation Effects 0.000 description 5
- 230000006735 deficit Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 230000010354 integration Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 241000447437 Gerreidae Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000001960 triggered 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
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
Landscapes
- Noise Elimination (AREA)
- Superheterodyne Receivers (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/440,999 US6473605B1 (en) | 1999-11-16 | 1999-11-16 | Noise reduction and range control radio system |
| US440999 | 1999-11-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE60034008D1 DE60034008D1 (de) | 2007-05-03 |
| DE60034008T2 true DE60034008T2 (de) | 2007-07-12 |
Family
ID=23751075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60034008T Expired - Fee Related DE60034008T2 (de) | 1999-11-16 | 2000-11-15 | Rauschreduzierung und Dynamikregelung für ein Radiosystem |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6473605B1 (enExample) |
| EP (1) | EP1102395B1 (enExample) |
| JP (1) | JP4707822B2 (enExample) |
| DE (1) | DE60034008T2 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3473511B2 (ja) * | 1999-07-22 | 2003-12-08 | 三菱電機株式会社 | マルチパスノイズ除去装置、オーディオ出力装置およびｆｍ受信機 |
| JP3573050B2 (ja) * | 2000-02-23 | 2004-10-06 | 三菱電機株式会社 | 雑音除去装置 |
| CN100340068C (zh) | 2002-04-22 | 2007-09-26 | Ipr许可公司 | 多输入多输出无线通信方法及具有无线前端部件的收发机 |
| US20030208547A1 (en) * | 2002-05-01 | 2003-11-06 | Ambrekovic Branimir | Direct internet mail access through links in wireless instant messaging systems |
| US7498673B2 (en) * | 2006-11-21 | 2009-03-03 | International Business Machines Corporation | Heatplates for heatsink attachment for semiconductor chips |
| US8023918B2 (en) * | 2008-02-13 | 2011-09-20 | Silicon Laboratories, Inc. | Methods and systems for stereo noise mitigation |
| US10129820B1 (en) * | 2017-12-21 | 2018-11-13 | Motorola Solutions, Inc. | Device and method for radio-frequency site evaluation |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3679979A (en) * | 1969-06-26 | 1972-07-25 | Sarkes Tarzian | Am, fm, and fm stereo tuner having simplified am to fm switching means |
| US3665507A (en) * | 1971-01-04 | 1972-05-23 | Gen Electric | Signal processor for reception of amplitude or frequency modulated signals |
| JPS62175025A (ja) * | 1986-01-25 | 1987-07-31 | Fujitsu Ten Ltd | 雑音除去装置 |
| JPH0716140B2 (ja) * | 1986-03-07 | 1995-02-22 | 富士通テン株式会社 | 自動音質制御回路 |
| JPS63110822A (ja) * | 1986-10-28 | 1988-05-16 | Mitsubishi Electric Corp | 受信機 |
| US4947456A (en) * | 1988-09-16 | 1990-08-07 | Uniden America Corporation | Scanning radio receiver |
| US4894566A (en) * | 1988-10-18 | 1990-01-16 | Rush Michael J | Noise reduction circuit |
| US5008939A (en) * | 1989-07-28 | 1991-04-16 | Bose Corporation | AM noise reducing |
| US5239699A (en) * | 1991-02-06 | 1993-08-24 | Motorola, Inc. | Am-fm combined stereo receiver |
| JP3276684B2 (ja) * | 1992-10-29 | 2002-04-22 | 三洋電機株式会社 | Ｆｍ受信機のマルチパスノイズ除去回路 |
| JPH07106921A (ja) * | 1993-10-08 | 1995-04-21 | Uniden Corp | 高速走査無線受信機 |
| DE19630405C2 (de) * | 1996-07-26 | 1998-07-02 | Sgs Thomson Microelectronics | Einrichtung zum Verändern der Eckfrequenz eines Tiefpaßfilters |
| JPH1051402A (ja) * | 1996-08-01 | 1998-02-20 | Nec Corp | 受信電界検出回路 |
| IL135875A0 (en) * | 1997-11-03 | 2001-05-20 | Harris Corp | A field progammable radio frequency communicatons equipment including a configurable if circuit and method therefor |
-
1999
- 1999-11-16 US US09/440,999 patent/US6473605B1/en not_active Expired - Lifetime
-
2000
- 2000-11-15 EP EP00124895A patent/EP1102395B1/en not_active Expired - Lifetime
- 2000-11-15 JP JP2000347430A patent/JP4707822B2/ja not_active Expired - Fee Related
- 2000-11-15 DE DE60034008T patent/DE60034008T2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP4707822B2 (ja) | 2011-06-22 |
| EP1102395A2 (en) | 2001-05-23 |
| DE60034008D1 (de) | 2007-05-03 |
| JP2001189669A (ja) | 2001-07-10 |
| US6473605B1 (en) | 2002-10-29 |
| EP1102395B1 (en) | 2007-03-21 |
| EP1102395A3 (en) | 2003-03-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |