CN1320304A - 接收频带的滤波 - Google Patents
接收频带的滤波 Download PDFInfo
- Publication number
- CN1320304A CN1320304A CN99811586A CN99811586A CN1320304A CN 1320304 A CN1320304 A CN 1320304A CN 99811586 A CN99811586 A CN 99811586A CN 99811586 A CN99811586 A CN 99811586A CN 1320304 A CN1320304 A CN 1320304A
- Authority
- CN
- China
- Prior art keywords
- frequency
- signal
- frequency band
- filter
- 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.)
- Granted
Links
Images
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
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
- H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
-
- 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
- H04B1/16—Circuits
- H04B1/30—Circuits for homodyne or synchrodyne receivers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Superheterodyne Receivers (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19845054A DE19845054A1 (de) | 1998-09-30 | 1998-09-30 | Empfangsfrequenzbandfilterung |
| DE19845054.0 | 1998-09-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1320304A true CN1320304A (zh) | 2001-10-31 |
| CN1147053C CN1147053C (zh) | 2004-04-21 |
Family
ID=7882938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB99811586XA Expired - Lifetime CN1147053C (zh) | 1998-09-30 | 1999-09-16 | 对接收频带进行滤波的方法和接收机 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6975847B1 (zh) |
| EP (1) | EP1118163B1 (zh) |
| CN (1) | CN1147053C (zh) |
| DE (2) | DE19845054A1 (zh) |
| HK (1) | HK1040330B (zh) |
| WO (1) | WO2000019624A1 (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101238650A (zh) * | 2005-08-04 | 2008-08-06 | 日本无线株式会社 | 中继发射装置 |
| CN109874327A (zh) * | 2016-09-15 | 2019-06-11 | 谷歌有限责任公司 | 用于量子比特读出的放大器频率匹配 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013070795A1 (en) * | 2011-11-09 | 2013-05-16 | Javad Gnss, Inc. | Antenna lna filter for gnss devices |
| WO2014047192A1 (en) | 2012-09-19 | 2014-03-27 | Javad Gnss, Inc. | Antenna lna filter for gnss device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2702902B1 (fr) * | 1993-03-15 | 1995-04-21 | Alcatel Radiotelephone | Récepteur numérique à fréquence intermédiaire et procédé de filtrage en bande de base mis en Óoeuvre dans ce récepteur. |
| US5748623A (en) * | 1993-09-03 | 1998-05-05 | Ntt Mobile Communications Network, Inc. | Code division multiple access transmitter and receiver |
| JPH07250115A (ja) * | 1994-03-09 | 1995-09-26 | Toshiba Corp | デジタルデータ受信装置 |
| JP3073687B2 (ja) * | 1996-02-09 | 2000-08-07 | 松下電器産業株式会社 | フィルタに遮断周波数切替手段を備えた直接変換受信機 |
| FI961935A7 (fi) * | 1996-05-07 | 1997-11-08 | Nokia Corp | Erojännitteen eliminointi ja AM-vaimennus suoramuunnosvastaanottimessa |
| US6275540B1 (en) * | 1997-10-01 | 2001-08-14 | Motorola, Inc. | Selective call receiver having an apparatus for modifying an analog signal to a digital signal and method therefor |
| US6043721A (en) * | 1998-02-04 | 2000-03-28 | Motorola, Inc. | Dual band amplifier |
-
1998
- 1998-09-30 DE DE19845054A patent/DE19845054A1/de not_active Withdrawn
-
1999
- 1999-09-16 US US09/806,341 patent/US6975847B1/en not_active Expired - Fee Related
- 1999-09-16 DE DE59909536T patent/DE59909536D1/de not_active Expired - Lifetime
- 1999-09-16 CN CNB99811586XA patent/CN1147053C/zh not_active Expired - Lifetime
- 1999-09-16 HK HK02101725.8A patent/HK1040330B/zh not_active IP Right Cessation
- 1999-09-16 EP EP99969860A patent/EP1118163B1/de not_active Expired - Lifetime
- 1999-09-16 WO PCT/DE1999/002960 patent/WO2000019624A1/de not_active Ceased
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101238650A (zh) * | 2005-08-04 | 2008-08-06 | 日本无线株式会社 | 中继发射装置 |
| CN101238650B (zh) * | 2005-08-04 | 2013-08-07 | 日本无线株式会社 | 数字电视广播信号的中继发射装置 |
| CN109874327A (zh) * | 2016-09-15 | 2019-06-11 | 谷歌有限责任公司 | 用于量子比特读出的放大器频率匹配 |
| CN109874327B (zh) * | 2016-09-15 | 2023-06-20 | 谷歌有限责任公司 | 用于量子比特读出的放大器频率匹配方法 |
| US11777462B2 (en) | 2016-09-15 | 2023-10-03 | Google Llc | Amplifier frequency matching for qubit readout |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1040330B (zh) | 2005-02-18 |
| DE19845054A1 (de) | 2000-04-06 |
| US6975847B1 (en) | 2005-12-13 |
| CN1147053C (zh) | 2004-04-21 |
| EP1118163B1 (de) | 2004-05-19 |
| EP1118163A1 (de) | 2001-07-25 |
| HK1040330A1 (zh) | 2002-05-31 |
| DE59909536D1 (de) | 2004-06-24 |
| WO2000019624A1 (de) | 2000-04-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1040330 Country of ref document: HK |
|
| ASS | Succession or assignment of patent right |
Owner name: BENQ MOBILE GMBH + CO. OHG Free format text: FORMER OWNER: BENQ CORP. Effective date: 20131018 Owner name: BENQ CORP. Free format text: FORMER OWNER: SIEMENS AKTIENGESELLSCHAFT Effective date: 20131018 Owner name: PAM SA Free format text: FORMER OWNER: BENQ MOBILE GMBH + CO. OHG Effective date: 20131018 Owner name: HEWLETT PACKARD DEVELOPMENT CO., LLP Free format text: FORMER OWNER: PAM SA Effective date: 20131018 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; TO: TAIWAN, CHINA |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131018 Address after: Texas, USA Patentee after: HEWLETT-PACKARD DEVELOPMENT Co.,L.P. Address before: California, USA Patentee before: PALM, Inc. Effective date of registration: 20131018 Address after: California, USA Patentee after: PALM, Inc. Address before: Munich, Germany Patentee before: BenQ Mobile GmbH & Co. OHG Effective date of registration: 20131018 Address after: Taoyuan, Taiwan, China Patentee after: Benq Corp. Address before: Munich, Germany Patentee before: Siemens AG Effective date of registration: 20131018 Address after: Munich, Germany Patentee after: BenQ Mobile GmbH & Co. OHG Address before: Taoyuan, Taiwan, China Patentee before: Benq Corp. |
|
| ASS | Succession or assignment of patent right |
Owner name: QUALCOMM INC. Free format text: FORMER OWNER: HEWLETT PACKARD DEVELOPMENT CO., LLP Effective date: 20140228 |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140228 Address after: California, USA Patentee after: QUALCOMM Inc. Address before: Texas, USA Patentee before: HEWLETT-PACKARD DEVELOPMENT Co.,L.P. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20040421 |
|
| CX01 | Expiry of patent term |