CN1120570C - 可调谐接收机 - Google Patents
可调谐接收机 Download PDFInfo
- Publication number
- CN1120570C CN1120570C CN99802764A CN99802764A CN1120570C CN 1120570 C CN1120570 C CN 1120570C CN 99802764 A CN99802764 A CN 99802764A CN 99802764 A CN99802764 A CN 99802764A CN 1120570 C CN1120570 C CN 1120570C
- Authority
- CN
- China
- Prior art keywords
- channel
- receiver
- frequency
- tuned
- signal
- 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
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/06—Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control
- H03J1/14—Special arrangements for fine and coarse tuning
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
- H03J5/244—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection using electronic means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/4446—IF amplifier circuits specially adapted for B&W TV
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Circuits Of Receivers In General (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98403089 | 1998-12-08 | ||
EP98403089.0 | 1998-12-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1290425A CN1290425A (zh) | 2001-04-04 |
CN1120570C true CN1120570C (zh) | 2003-09-03 |
Family
ID=8235582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN99802764A Expired - Fee Related CN1120570C (zh) | 1998-12-08 | 1999-11-24 | 可调谐接收机 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6748198B1 (zh) |
EP (1) | EP1053594B1 (zh) |
JP (1) | JP2002532935A (zh) |
KR (1) | KR100693190B1 (zh) |
CN (1) | CN1120570C (zh) |
DE (1) | DE69930161T2 (zh) |
WO (1) | WO2000035088A1 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7970411B2 (en) | 2000-05-18 | 2011-06-28 | Sirf Technology, Inc. | Aided location communication system |
US7949362B2 (en) * | 2000-05-18 | 2011-05-24 | Sirf Technology, Inc. | Satellite positioning aided communication system selection |
US8078189B2 (en) * | 2000-08-14 | 2011-12-13 | Sirf Technology, Inc. | System and method for providing location based services over a network |
US8185129B2 (en) * | 2006-07-07 | 2012-05-22 | Skyhook Wireless, Inc. | System and method of passive and active scanning of WLAN-enabled access points to estimate position of a WLAN positioning device |
US7899488B2 (en) * | 2006-07-31 | 2011-03-01 | Motorola Mobility, Inc. | Method and apparatus for extending network discovery range |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2155263A (en) * | 1984-03-02 | 1985-09-18 | Philips Electronic Associated | Frequency synthesised multichannel radio apparatus |
JPH0744485B2 (ja) * | 1987-05-22 | 1995-05-15 | 三菱電機株式会社 | 自動車電話装置 |
JP2676766B2 (ja) * | 1988-03-04 | 1997-11-17 | 松下電器産業株式会社 | 無線通信機 |
JPH0744485Y2 (ja) * | 1989-12-04 | 1995-10-11 | 山川工業株式会社 | ブラケット締結構造 |
US5404392A (en) * | 1991-06-12 | 1995-04-04 | International Business Machines Corp. | Digital Cellular Overlay Network (DCON) |
FI92636C (fi) * | 1992-02-14 | 1994-12-12 | Nokia Telecommunications Oy | Radiolaite |
US5511235A (en) | 1994-05-02 | 1996-04-23 | Motorola, Inc. | Apparatus for detecting a signaling channel during scanning including a controlled frequency converter circuit and a controlled filter bandwidth, and a method therefor |
GB2320628B (en) * | 1996-12-18 | 2001-05-23 | Nec Technologies | Hybrid reference frequency correction system |
SE508290C2 (sv) * | 1997-01-21 | 1998-09-21 | Ericsson Telefon Ab L M | Mottagaranordning för två frekvensband |
US6212396B1 (en) * | 1997-03-27 | 2001-04-03 | Nortel Networks Limited | Generic handset programming and configuration |
US6094569A (en) * | 1997-08-12 | 2000-07-25 | U.S. Philips Corporation | Multichannel radio device, a radio communication system, and a fractional division frequency synthesizer |
US6229996B1 (en) * | 1997-12-12 | 2001-05-08 | Nokia Mobile Phones Limited | Method and apparatus for increasing a probability that a dual-band mobile station will acquire a desired autonomous system |
-
1999
- 1999-11-24 CN CN99802764A patent/CN1120570C/zh not_active Expired - Fee Related
- 1999-11-24 EP EP99964512A patent/EP1053594B1/en not_active Expired - Lifetime
- 1999-11-24 KR KR1020007008585A patent/KR100693190B1/ko active IP Right Grant
- 1999-11-24 DE DE69930161T patent/DE69930161T2/de not_active Expired - Lifetime
- 1999-11-24 JP JP2000587441A patent/JP2002532935A/ja active Pending
- 1999-11-24 WO PCT/EP1999/009203 patent/WO2000035088A1/en active IP Right Grant
- 1999-12-03 US US09/454,345 patent/US6748198B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR100693190B1 (ko) | 2007-03-13 |
DE69930161D1 (de) | 2006-04-27 |
CN1290425A (zh) | 2001-04-04 |
EP1053594A1 (en) | 2000-11-22 |
KR20010040706A (ko) | 2001-05-15 |
EP1053594B1 (en) | 2006-03-01 |
WO2000035088A1 (en) | 2000-06-15 |
JP2002532935A (ja) | 2002-10-02 |
US6748198B1 (en) | 2004-06-08 |
DE69930161T2 (de) | 2006-11-23 |
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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 | ||
ASS | Succession or assignment of patent right |
Owner name: NXP CO., LTD. Free format text: FORMER OWNER: ROYAL PHILIPS ELECTRONICS CO., LTD. Effective date: 20070831 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20070831 Address after: Holland Ian Deho Finn Patentee after: Koninkl Philips Electronics NV Address before: Holland Ian Deho Finn Patentee before: Koninklike Philips Electronics N. V. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030903 Termination date: 20101124 |