JP3919440B2 - アナログディジタル複合受信信号を処理する方法及び装置 - Google Patents
アナログディジタル複合受信信号を処理する方法及び装置 Download PDFInfo
- Publication number
- JP3919440B2 JP3919440B2 JP2000334102A JP2000334102A JP3919440B2 JP 3919440 B2 JP3919440 B2 JP 3919440B2 JP 2000334102 A JP2000334102 A JP 2000334102A JP 2000334102 A JP2000334102 A JP 2000334102A JP 3919440 B2 JP3919440 B2 JP 3919440B2
- Authority
- JP
- Japan
- Prior art keywords
- filter
- signal
- receiver
- digital
- band
- 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
- 238000012545 processing Methods 0.000 title claims description 67
- 238000000034 method Methods 0.000 title claims description 28
- 239000002131 composite material Substances 0.000 title description 9
- 230000008030 elimination Effects 0.000 claims description 71
- 238000003379 elimination reaction Methods 0.000 claims description 71
- 238000001914 filtration Methods 0.000 claims description 22
- 238000004891 communication Methods 0.000 claims description 14
- 238000001228 spectrum Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
-
- 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
- H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H2201/00—Aspects of broadcast communication
- H04H2201/10—Aspects of broadcast communication characterised by the type of broadcast system
- H04H2201/18—Aspects of broadcast communication characterised by the type of broadcast system in band on channel [IBOC]
- H04H2201/183—FM digital or hybrid
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H2201/00—Aspects of broadcast communication
- H04H2201/10—Aspects of broadcast communication characterised by the type of broadcast system
- H04H2201/20—Aspects of broadcast communication characterised by the type of broadcast system digital audio broadcasting [DAB]
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Circuits Of Receivers In General (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/430,948 US6577688B1 (en) | 1999-11-01 | 1999-11-01 | Host rejection filtering in a digital audio broadcasting system |
| US09/430948 | 1999-11-01 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2001189673A JP2001189673A (ja) | 2001-07-10 |
| JP2001189673A5 JP2001189673A5 (https=) | 2004-09-24 |
| JP3919440B2 true JP3919440B2 (ja) | 2007-05-23 |
Family
ID=23709775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000334102A Expired - Fee Related JP3919440B2 (ja) | 1999-11-01 | 2000-11-01 | アナログディジタル複合受信信号を処理する方法及び装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6577688B1 (https=) |
| EP (1) | EP1113604B1 (https=) |
| JP (1) | JP3919440B2 (https=) |
| CA (1) | CA2323668C (https=) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ508054A (en) * | 2000-11-09 | 2002-11-26 | Tait Electronics Ltd | Double balanced diode mixer for generating an IF output signal from an RF input signal |
| JP3933953B2 (ja) * | 2002-02-08 | 2007-06-20 | パイオニア株式会社 | 複数の局部発振周波数を用いる受信機のagc回路 |
| US7088794B2 (en) * | 2002-02-19 | 2006-08-08 | The United States Of America As Represented By The Secretary Of The Navy | Automatic gain control for digitized RF signal processing |
| JP2003250135A (ja) * | 2002-02-22 | 2003-09-05 | Sharp Corp | チューナ |
| JP2005524273A (ja) * | 2002-04-26 | 2005-08-11 | トムソン ライセンシング ソシエテ アノニム | アンテナ特性に適応するための電子的調整可能中心周波数を有するチューナ入力フィルタ |
| US7221917B2 (en) * | 2002-05-01 | 2007-05-22 | Ibiquity Digital Corporation | Adjacent channel interference mitigation for FM digital audio broadcasting receivers |
| US7623826B2 (en) | 2004-07-22 | 2009-11-24 | Frank Pergal | Wireless repeater with arbitrary programmable selectivity |
| WO2006027733A1 (en) * | 2004-09-08 | 2006-03-16 | Koninklijke Philips Electronics N.V. | Switch-able band-tracking input filter for combination tuner |
| US20120225626A1 (en) * | 2009-11-17 | 2012-09-06 | Thomson Licensing | Reuse of a switch ic as a step attenuator |
| CN102668557B (zh) * | 2009-12-09 | 2015-11-25 | 汤姆森许可贸易公司 | 保护卫星接收不受强地面信号影响的装置 |
| JP7215857B2 (ja) * | 2018-09-11 | 2023-01-31 | 矢崎総業株式会社 | 増幅器ユニットおよび信号伝送システム |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5465396A (en) * | 1993-01-12 | 1995-11-07 | Usa Digital Radio Partners, L.P. | In-band on-channel digital broadcasting |
| US5956624A (en) | 1994-07-12 | 1999-09-21 | Usa Digital Radio Partners Lp | Method and system for simultaneously broadcasting and receiving digital and analog signals |
| JP3979669B2 (ja) * | 1996-01-10 | 2007-09-19 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴイ | マルチメディアアプリケーション用tv/fm受信機 |
| US5949796A (en) | 1996-06-19 | 1999-09-07 | Kumar; Derek D. | In-band on-channel digital broadcasting method and system |
| US5991334A (en) * | 1996-11-12 | 1999-11-23 | Lucent Technologies Inc. | Technique for simultaneous communications of analog frequency-modulated and digitally modulated signals using postcanceling scheme |
| BR9706428A (pt) * | 1996-12-19 | 1999-05-25 | Matsushita Electric Industrial Co Ltd | Aparelho de recepção de transmissão |
| US6426780B1 (en) * | 1998-10-14 | 2002-07-30 | Samsung Electronics Co., Ltd. | DTV receiver with low-band final I-F signal filtered for suppressing co-channel interfering NTSC audio carrier |
-
1999
- 1999-11-01 US US09/430,948 patent/US6577688B1/en not_active Expired - Lifetime
-
2000
- 2000-10-17 CA CA002323668A patent/CA2323668C/en not_active Expired - Fee Related
- 2000-10-23 EP EP00309328.3A patent/EP1113604B1/en not_active Expired - Lifetime
- 2000-11-01 JP JP2000334102A patent/JP3919440B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US6577688B1 (en) | 2003-06-10 |
| EP1113604B1 (en) | 2017-01-25 |
| EP1113604A3 (en) | 2003-10-29 |
| EP1113604A2 (en) | 2001-07-04 |
| CA2323668C (en) | 2004-12-28 |
| CA2323668A1 (en) | 2001-05-01 |
| JP2001189673A (ja) | 2001-07-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5745846A (en) | Channelized apparatus for equalizing carrier powers of multicarrier signal | |
| EP1692836B1 (en) | Multi-carrier transmitter assembly | |
| AU687198B2 (en) | Method and apparatus for am compatible digital broadcasting | |
| JP3627783B2 (ja) | ケーブルモデム用チューナ | |
| US7944995B2 (en) | Variable bandwidth receiver | |
| EP1290469B1 (en) | Integrated gps/dab receiver | |
| US7221688B2 (en) | Method and apparatus for receiving a digital audio broadcasting signal | |
| EP2086116A2 (en) | Method and arrangement for signal processing in a receiver that can be tuned to different carriers | |
| JP2001127735A (ja) | Cdma方式移動通信基地局システムのrf受信装置におけるfa間電力レベル制御装置 | |
| JPH1131981A (ja) | 適応帯域幅制御を有するディジタル処理ラジオ受信機 | |
| JP3919440B2 (ja) | アナログディジタル複合受信信号を処理する方法及び装置 | |
| AU3196399A (en) | Method and apparatus for receiving a plurality of signals having different frequency bandwidths | |
| KR19990023384A (ko) | 디지털 방송용 수신기 | |
| EP1085664B1 (en) | Receiver capable of receiving analog broadcast and digital broadcast | |
| JP5174632B2 (ja) | テレビジョン放送受信回路 | |
| JP3746209B2 (ja) | 無線送受信機 | |
| US6813310B1 (en) | Receiver and IC thereof capable of receiving analog broadcast and digital broadcast | |
| US7991075B2 (en) | Radio broadcasting method and transmitter using pre-filtering and corresponding signal | |
| CN1147053C (zh) | 对接收频带进行滤波的方法和接收机 | |
| EP1318603B1 (en) | FM receiver with digital bandwidth control | |
| JP4696868B2 (ja) | 受信装置および受信方法 | |
| JP2002359569A (ja) | 放送受信装置 | |
| KR100452822B1 (ko) | 대역내 주파수 간섭을 개선한 디지털 오디오 방송 튜너 | |
| JP2006148521A (ja) | Cofdm変調方式受信機及び隣接チャネル妨害排除方法 | |
| KR20050034813A (ko) | 고주파용 고정 대역통과필터를 갖는 디지털 오디오 방송튜너 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20060615 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20060626 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20060926 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20060929 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20061222 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20070122 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20070213 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 Ref document number: 3919440 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110223 Year of fee payment: 4 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110223 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120223 Year of fee payment: 5 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130223 Year of fee payment: 6 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130223 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140223 Year of fee payment: 7 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |