DE19580681T1 - Verfahren zur Abstimmung der Bezugsfrequenzen in einem Kommunikationssystem - Google Patents

Verfahren zur Abstimmung der Bezugsfrequenzen in einem Kommunikationssystem

Info

Publication number
DE19580681T1
DE19580681T1 DE19580681T DE19580681T DE19580681T1 DE 19580681 T1 DE19580681 T1 DE 19580681T1 DE 19580681 T DE19580681 T DE 19580681T DE 19580681 T DE19580681 T DE 19580681T DE 19580681 T1 DE19580681 T1 DE 19580681T1
Authority
DE
Germany
Prior art keywords
tuning
communication system
reference frequencies
frequencies
communication
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
Application number
DE19580681T
Other languages
English (en)
Other versions
DE19580681C2 (de
Inventor
Steven G Lee
Brian D Iehl
Omer Manya
Michael J Schellinger
Avello Robert F D
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 Mobility LLC
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 DE19580681T1 publication Critical patent/DE19580681T1/de
Application granted granted Critical
Publication of DE19580681C2 publication Critical patent/DE19580681C2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Radio Relay Systems (AREA)
DE19580681T 1994-05-20 1995-03-24 Verfahren zur Abstimmung der Bezugsfrequenzen in einem Kommunikationssystem Expired - Lifetime DE19580681C2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/246,650 US5701589A (en) 1994-05-20 1994-05-20 Method for adjusting reference frequencies in a communication system
PCT/US1995/003765 WO1995032559A1 (en) 1994-05-20 1995-03-24 Method for adjusting reference frequencies in a communication system

Publications (2)

Publication Number Publication Date
DE19580681T1 true DE19580681T1 (de) 1996-08-22
DE19580681C2 DE19580681C2 (de) 2000-12-07

Family

ID=22931596

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19580681T Expired - Lifetime DE19580681C2 (de) 1994-05-20 1995-03-24 Verfahren zur Abstimmung der Bezugsfrequenzen in einem Kommunikationssystem

Country Status (14)

Country Link
US (1) US5701589A (de)
JP (1) JP3197015B2 (de)
KR (1) KR100225765B1 (de)
CN (1) CN1074618C (de)
AU (1) AU2230595A (de)
DE (1) DE19580681C2 (de)
FR (1) FR2720212B1 (de)
GB (1) GB2295298B (de)
IT (1) IT1277863B1 (de)
MA (1) MA23555A1 (de)
MX (1) MX9600304A (de)
TW (1) TW260849B (de)
WO (1) WO1995032559A1 (de)
ZA (1) ZA953705B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5926746A (en) * 1996-11-08 1999-07-20 Qualcomm Incorporated Frequency and other parameter adjustment using training channel
US6006106A (en) * 1996-12-31 1999-12-21 Ericsson Inc. Method for automatic transceiver selection in a mobile multiple RF transceiver apparatus
US6339696B1 (en) * 1999-11-05 2002-01-15 Magnadyne Corporation In-vehicle audio/video system
US8811369B2 (en) 2006-01-11 2014-08-19 Qualcomm Incorporated Methods and apparatus for supporting multiple communications modes of operation
KR101030201B1 (ko) 2006-01-11 2011-04-22 퀄컴 인코포레이티드 무선 단말기의 비콘 신호의 이용을 포함하여 타이밍 및/또는 동기화에 관한 방법 및 장치
FI20075681A0 (fi) * 2007-09-28 2007-09-28 Nokia Corp Pääsynvalvonta tukiasemia varten
US8595501B2 (en) 2008-05-09 2013-11-26 Qualcomm Incorporated Network helper for authentication between a token and verifiers
CN101902240B (zh) * 2008-11-20 2013-03-20 南京熊猫电子股份有限公司 卫星通信便携站小型化结构的设置方法
WO2015079523A1 (ja) * 2013-11-27 2015-06-04 株式会社日立産機システム 位置情報発信機のメンテナンス方法、および、それに用いる位置情報発信機

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4989230A (en) * 1988-09-23 1991-01-29 Motorola, Inc. Cellular cordless telephone
US5081705A (en) * 1989-06-29 1992-01-14 Rockwell International Corp. Communication system with external reference signal processing capability
DE4136147C2 (de) * 1991-11-02 1993-08-26 Robert Bosch Gmbh, 7000 Stuttgart, De
DE4344702A1 (de) * 1993-12-27 1995-07-06 Deutsche Bundespost Telekom Verfahren und Anordnung zum wechselweisen Betreiben eines mobilen Endgerätes über ein zellulares Mobilfunksystem und ein Schnurlossystem in einem Festnetz

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5163159A (en) * 1990-07-30 1992-11-10 Motorola, Inc. Dual mode automatic frequency control
US5077790A (en) * 1990-08-03 1991-12-31 Motorola, Inc. Secure over-the-air registration of cordless telephones
US5410588A (en) * 1991-04-03 1995-04-25 Kabushiki Kaisha Toshiba Mobile radio communications system having a supervising radio transmitting station for transmitting a reference synchronizing signal to a first and second base stations via a radio link
US5363376A (en) * 1993-07-30 1994-11-08 Bell Communications Research, Inc. Method and apparatus for synchronizing timing among radio ports in wireless communications systems

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4989230A (en) * 1988-09-23 1991-01-29 Motorola, Inc. Cellular cordless telephone
US5081705A (en) * 1989-06-29 1992-01-14 Rockwell International Corp. Communication system with external reference signal processing capability
DE4136147C2 (de) * 1991-11-02 1993-08-26 Robert Bosch Gmbh, 7000 Stuttgart, De
DE4344702A1 (de) * 1993-12-27 1995-07-06 Deutsche Bundespost Telekom Verfahren und Anordnung zum wechselweisen Betreiben eines mobilen Endgerätes über ein zellulares Mobilfunksystem und ein Schnurlossystem in einem Festnetz

Also Published As

Publication number Publication date
MX9600304A (es) 1998-11-30
TW260849B (en) 1995-10-21
DE19580681C2 (de) 2000-12-07
AU2230595A (en) 1995-12-18
CN1129049A (zh) 1996-08-14
ZA953705B (en) 1996-03-12
GB2295298A (en) 1996-05-22
ITRM950335A1 (it) 1996-11-19
JP3197015B2 (ja) 2001-08-13
WO1995032559A1 (en) 1995-11-30
FR2720212B1 (fr) 2000-01-21
GB2295298B (en) 1998-09-09
GB9601044D0 (en) 1996-03-27
JPH09500779A (ja) 1997-01-21
US5701589A (en) 1997-12-23
KR100225765B1 (en) 1999-10-15
FR2720212A1 (fr) 1995-11-24
CN1074618C (zh) 2001-11-07
IT1277863B1 (it) 1997-11-12
MA23555A1 (fr) 1995-12-31
ITRM950335A0 (it) 1995-05-19

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MOTOROLA MOBILITY, INC. ( N.D. GES. D. STAATES, US

R081 Change of applicant/patentee

Owner name: MOTOROLA MOBILITY, INC. ( N.D. GES. D. STAATES, US

Free format text: FORMER OWNER: MOTOROLA, INC., SCHAUMBURG, US

Effective date: 20110324

Owner name: MOTOROLA MOBILITY, INC. ( N.D. GES. D. STAATES, US

Free format text: FORMER OWNER: MOTOROLA, INC., SCHAUMBURG, ILL., US

Effective date: 20110324

R071 Expiry of right
R071 Expiry of right