FR2719437B1 - Procédé et dispositif d'identification d'une voie de signalisation. - Google Patents

Procédé et dispositif d'identification d'une voie de signalisation.

Info

Publication number
FR2719437B1
FR2719437B1 FR9502934A FR9502934A FR2719437B1 FR 2719437 B1 FR2719437 B1 FR 2719437B1 FR 9502934 A FR9502934 A FR 9502934A FR 9502934 A FR9502934 A FR 9502934A FR 2719437 B1 FR2719437 B1 FR 2719437B1
Authority
FR
France
Prior art keywords
identifying
signaling channel
signaling
channel
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
Application number
FR9502934A
Other languages
English (en)
Other versions
FR2719437A1 (fr
Inventor
Ming H Duong
Donald A Dorsey
Robert M Johnson Jr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of FR2719437A1 publication Critical patent/FR2719437A1/fr
Application granted granted Critical
Publication of FR2719437B1 publication Critical patent/FR2719437B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
    • H03J3/08—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Circuits Of Receivers In General (AREA)
  • Superheterodyne Receivers (AREA)
  • Transceivers (AREA)
  • Mobile Radio Communication Systems (AREA)
FR9502934A 1994-05-02 1995-03-14 Procédé et dispositif d'identification d'une voie de signalisation. Expired - Fee Related FR2719437B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/236,736 US5511235A (en) 1994-05-02 1994-05-02 Apparatus for detecting a signaling channel during scanning including a controlled frequency converter circuit and a controlled filter bandwidth, and a method therefor

Publications (2)

Publication Number Publication Date
FR2719437A1 FR2719437A1 (fr) 1995-11-03
FR2719437B1 true FR2719437B1 (fr) 1999-05-14

Family

ID=22890735

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9502934A Expired - Fee Related FR2719437B1 (fr) 1994-05-02 1995-03-14 Procédé et dispositif d'identification d'une voie de signalisation.

Country Status (10)

Country Link
US (1) US5511235A (fr)
CN (1) CN1043708C (fr)
AU (1) AU1929995A (fr)
CA (1) CA2164522C (fr)
ES (1) ES2115514B1 (fr)
FR (1) FR2719437B1 (fr)
GB (1) GB2294602B (fr)
MX (1) MX9600060A (fr)
SE (1) SE9504555L (fr)
WO (1) WO1995030283A1 (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI951918A (fi) * 1995-04-21 1996-10-22 Nokia Mobile Phones Ltd Lähetin-vastaanotinlaite ja menetelmä kompleksien I/Q-signaalin synnyttämiseksi ja käsittelemiseksi
GB9525110D0 (en) * 1995-12-08 1996-02-07 Northern Telecom Ltd An antenna assembly
US5949832A (en) * 1996-03-26 1999-09-07 Sicom, Inc. Digital receiver with tunable analog filter and method therefor
US6061575A (en) * 1996-11-06 2000-05-09 Ericsson Inc. Frequency synthesizer circuit for mobile stations
US5943613A (en) * 1996-11-07 1999-08-24 Telefonaktiebolaget Lm Ericsson Method and apparatus for reducing standby current in communications equipment
US5960364A (en) * 1996-11-08 1999-09-28 Ericsson Inc. Satellite/cellular phone using different channel spacings on forward and return links
US5848108A (en) * 1996-11-29 1998-12-08 Northern Telecom Limited Selective filtering for co-channel interference reduction
US5995564A (en) * 1996-12-20 1999-11-30 Lucent Technologies Inc. Apparatus for detecting when a dynamic signal is stable
JP3413060B2 (ja) 1997-05-13 2003-06-03 松下電器産業株式会社 直接変換受信機
US6134282A (en) * 1997-06-18 2000-10-17 Lsi Logic Corporation Method for lowpass filter calibration in a satellite receiver
US6078812A (en) * 1997-12-15 2000-06-20 Ericsson Inc. System and method for adaptive channel allocation
US6714608B1 (en) * 1998-01-27 2004-03-30 Broadcom Corporation Multi-mode variable rate digital satellite receiver
US6721298B1 (en) * 1998-03-16 2004-04-13 Lucent Technologies Inc. Technique for effectively utilizing bandwidth of a cable network for wireless communications
US6229991B1 (en) 1998-10-13 2001-05-08 Motorola, Inc. Method of and apparatus for automatic frequency control range extension
US6205334B1 (en) 1998-11-24 2001-03-20 Ericsson Inc. Accelerated scanning of cellular channels by cellular radiotelephones
FI112741B (fi) * 1998-11-26 2003-12-31 Nokia Corp Menetelmä ja järjestely RF-signaalien lähettämiseksi ja vastaanottamiseksi tiedonsiirtojärjestelmien erilaisissa radiorajapinnoissa
JP2002532935A (ja) 1998-12-08 2002-10-02 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 同調可能受信機
US6480709B2 (en) * 2001-01-19 2002-11-12 Motorola, Inc. Method for reducing scan time in a radio receiver
GB0117578D0 (en) 2001-07-19 2001-09-12 Zarlink Semiconductor Ltd Tuner
US6741844B2 (en) * 2001-11-27 2004-05-25 Motorola, Inc. Receiver for audio enhancement and method therefor
JP3832643B2 (ja) * 2002-01-10 2006-10-11 シャープ株式会社 高周波受信装置
JP3465707B1 (ja) * 2002-05-27 2003-11-10 日本電気株式会社 キャリアセンス多重接続方式の受信機とその干渉抑圧方法
JP4159964B2 (ja) * 2003-10-07 2008-10-01 アルパイン株式会社 オーディオ放送受信装置及び自動選局方法
US7899488B2 (en) * 2006-07-31 2011-03-01 Motorola Mobility, Inc. Method and apparatus for extending network discovery range
US7689217B2 (en) * 2007-03-30 2010-03-30 Motorola, Inc. Radio receiver having a multi-state variable threshold automatic gain control (AGC) for fast channel scanning acquisition and mehtod for using same
US8055211B2 (en) * 2007-12-31 2011-11-08 Motorola Mobility, Inc. Method and system for utilizing transmit local oscillator for improved cell search and multi-link communication in multi-mode device
CN101465656A (zh) * 2008-09-05 2009-06-24 华为技术有限公司 一种变频的装置、方法和系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4352208A (en) * 1980-03-04 1982-09-28 Motorola, Inc. Automatic IF selectivity for radio receiver system
CA1190289A (fr) * 1981-04-28 1985-07-09 Nippon Hoso Kyokai Systeme demodulateur de signaux en modulation de frequence
US4703520A (en) * 1986-10-31 1987-10-27 Motorola, Inc. Radio transceiver having an adaptive reference oscillator
KR910008738B1 (ko) * 1987-02-20 1991-10-19 닛본 덴기 가부시기가이샤 밧데리 절약 채널 스캔 기능을 갖고 있는 휴대용 무선 송수신기
JPS63314028A (ja) * 1987-06-17 1988-12-22 Matsushita Electric Ind Co Ltd 短波放送受信機の中間周波帯域自動切換装置
GB2229874B (en) * 1989-02-04 1992-09-16 Plessey Co Plc Improvements relating to communication systems
JP2867538B2 (ja) * 1990-01-30 1999-03-08 日本電気株式会社 チャンネル選択方式
FI91821C (fi) * 1991-02-22 1994-08-10 Nokia Mobile Phones Ltd Radiopuhelimen automaattinen taajuudensäätökytkentä
US5175729A (en) * 1991-06-05 1992-12-29 Motorola, Inc. Radio with fast lock phase-locked loop

Also Published As

Publication number Publication date
ES2115514B1 (es) 1999-02-16
CN1043708C (zh) 1999-06-16
SE9504555D0 (sv) 1995-12-20
GB2294602A (en) 1996-05-01
GB9526296D0 (en) 1996-02-21
US5511235A (en) 1996-04-23
MX9600060A (es) 1998-11-30
FR2719437A1 (fr) 1995-11-03
CA2164522A1 (fr) 1995-11-09
ES2115514A1 (es) 1998-06-16
WO1995030283A1 (fr) 1995-11-09
AU1929995A (en) 1995-11-29
CA2164522C (fr) 2000-06-27
CN1128092A (zh) 1996-07-31
GB2294602B (en) 1999-05-19
SE9504555L (sv) 1996-03-04

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Legal Events

Date Code Title Description
ST Notification of lapse