DE68929097D1 - Mehrfachfrequenz-nachrichtensystem - Google Patents

Mehrfachfrequenz-nachrichtensystem

Info

Publication number
DE68929097D1
DE68929097D1 DE68929097T DE68929097T DE68929097D1 DE 68929097 D1 DE68929097 D1 DE 68929097D1 DE 68929097 T DE68929097 T DE 68929097T DE 68929097 T DE68929097 T DE 68929097T DE 68929097 D1 DE68929097 D1 DE 68929097D1
Authority
DE
Germany
Prior art keywords
channels
identification information
channel
active
predetermined
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
DE68929097T
Other languages
English (en)
Other versions
DE68929097T2 (de
Inventor
Robert Schwendeman
David Willard
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
Application granted granted Critical
Publication of DE68929097D1 publication Critical patent/DE68929097D1/de
Publication of DE68929097T2 publication Critical patent/DE68929097T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/022—One-way selective calling networks, e.g. wide area paging
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/022—Selective call receivers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
DE68929097T 1988-09-12 1989-08-21 Mehrfachfrequenz-nachrichtensystem Expired - Fee Related DE68929097T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/243,869 US4914649A (en) 1988-09-12 1988-09-12 Multiple frequency message system
PCT/US1989/003574 WO1990003041A1 (en) 1988-09-12 1989-08-21 Multiple frequency message system

Publications (2)

Publication Number Publication Date
DE68929097D1 true DE68929097D1 (de) 1999-12-16
DE68929097T2 DE68929097T2 (de) 2000-07-20

Family

ID=22920462

Family Applications (2)

Application Number Title Priority Date Filing Date
DE68929097T Expired - Fee Related DE68929097T2 (de) 1988-09-12 1989-08-21 Mehrfachfrequenz-nachrichtensystem
DE68928699T Expired - Fee Related DE68928699T2 (de) 1988-09-12 1989-08-21 Funkrufempfänger mit Funktion für Batterieschonung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE68928699T Expired - Fee Related DE68928699T2 (de) 1988-09-12 1989-08-21 Funkrufempfänger mit Funktion für Batterieschonung

Country Status (7)

Country Link
US (1) US4914649A (de)
EP (2) EP0632599B1 (de)
JP (1) JPH0779499B2 (de)
KR (1) KR930003451B1 (de)
AT (2) ATE186615T1 (de)
DE (2) DE68929097T2 (de)
WO (1) WO1990003041A1 (de)

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US5686898A (en) * 1992-05-29 1997-11-11 Motorola, Inc. Paging network identification information distributed in address field
US5491469A (en) * 1992-05-29 1996-02-13 Motorola, Inc. Communication system for temporarily directing radio receivers to a second radio frequency
WO1994001841A1 (en) * 1992-07-02 1994-01-20 Motorola, Inc. Power conservation method and apparatus for a data communication receiver
US5315635A (en) * 1992-09-30 1994-05-24 Motorola, Inc. Reliable message communication system
EP0639898B1 (de) * 1993-01-28 2003-04-02 NTT DoCoMo, Inc. Schnurloses rufsystem
CN1036237C (zh) * 1993-02-22 1997-10-22 日本电气株式会社 给多信道无线寻呼网中的多个寻呼区分配寻呼信道的方法
CN1062399C (zh) * 1993-02-25 2001-02-21 Ntt移动通信网株式会社 无线寻呼方式及无线寻呼机
US5835023A (en) * 1993-02-25 1998-11-10 Ntt Mobile Communications Network Inc. Selective radio paging system and pager
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US5507034A (en) * 1993-09-01 1996-04-09 Telefonaktiebolaget Lm Ericsson Channel selection in a cellular communication system
US7142846B1 (en) 1994-01-05 2006-11-28 Henderson Daniel A Method and apparatus for improved paging receiver and system
US6018528A (en) * 1994-04-28 2000-01-25 At&T Corp System and method for optimizing spectral efficiency using time-frequency-code slicing
US5559506A (en) * 1994-05-04 1996-09-24 Motorola, Inc. Method and apparatus for encoding and decoding a digital radio signal
US5542115A (en) * 1994-06-24 1996-07-30 Pioneer Tech Development Limited Paging method and apparatus
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US5701592A (en) * 1994-12-19 1997-12-23 Telefonaktiebolaget Lm Ericsson Method and system for desynchronizing overhead messages in a radiocommunication system
US5610919A (en) * 1995-01-24 1997-03-11 Motorola, Inc. Network identification information placement architecture for messaging system having roaming capability
US5625351A (en) * 1995-01-24 1997-04-29 Motorola, Inc. Messaging system having roaming capability
US5600312A (en) * 1995-01-24 1997-02-04 Motorola, Inc. Messaging system and method having roaming capability and controlled group messaging
US5682147A (en) * 1995-01-24 1997-10-28 Motorola, Inc. Method and apparatus for selecting a receive frequency in a communication receiver
JP3047345B2 (ja) * 1995-04-28 2000-05-29 静岡日本電気株式会社 バッテリーセービング機能付き選択呼出受信機
GB2301000B (en) * 1995-05-18 1999-07-21 Evets Communications Ltd Communication system
JP2734429B2 (ja) * 1995-10-26 1998-03-30 日本電気株式会社 無線選択呼出受信機
GB9522581D0 (en) * 1995-11-03 1996-01-03 Philips Electronics Nv Roaming in telecommunications systems
US5886645A (en) * 1995-11-24 1999-03-23 Motorola, Inc. Method and apparatus for providing duplicate messages in an acknowledge-back communication system
US5689806A (en) * 1995-12-26 1997-11-18 Motorola, Inc. Communication receiver for selecting between scanning and locking to a channel and method therefor
WO1997039591A1 (en) * 1996-04-15 1997-10-23 Motorola Inc. De-interleaved information memory storage device
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KR19980014464A (ko) * 1996-08-12 1998-05-25 김광호 무선호출기의 데이타 처리장치 및 방법
US6515577B1 (en) * 1997-01-10 2003-02-04 Motorola, Inc. Channel monitoring by a multichannel selective call receiver
JP3001484B2 (ja) * 1997-11-03 2000-01-24 静岡日本電気株式会社 無線選択呼出受信機及びチャネル選択方法
JP3017120B2 (ja) * 1997-03-26 2000-03-06 静岡日本電気株式会社 無線選択呼出受信機
US6044252A (en) * 1997-11-26 2000-03-28 Motorola, Inc. Method and apparatus for switching between operating channels with different time references
US6097933A (en) * 1997-12-04 2000-08-01 Glenayre Electronics, Inc. Method and apparatus for conserving power in a pager
TW362329B (en) * 1998-01-16 1999-06-21 Winbond Electronic Corp Control method of RF signal for ERMES pager
US6571111B1 (en) * 1998-08-05 2003-05-27 Compaq Computer Corporation Method and apparatus for reducing battery power consumption of transceivers in a communications network using an external generated timing signal
SE515050C2 (sv) * 1999-10-01 2001-06-05 Ericsson Telefon Ab L M Metod och anordning i mobilradiosystem med möjlighet att växla kanalkodningsschema och att byta från frekvenshoppande kanal till icke frekvenshoppande kanal
KR20010096845A (ko) * 2000-04-15 2001-11-08 조정남 다중 채널 동시 검색 기능을 갖는 무선 호출기와 그데이터 송수신 방법
US6515971B2 (en) * 2000-12-15 2003-02-04 Motorola, Inc. Method and apparatus to enable background scanning
US7019618B2 (en) * 2002-10-02 2006-03-28 Battelle Memorial Institute Wireless communications systems, radio frequency identification devices, wireless communications methods, and radio frequency identification device communications methods
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JPS60170341A (ja) * 1984-02-14 1985-09-03 Nec Corp 交換方式
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Also Published As

Publication number Publication date
EP0632599A1 (de) 1995-01-04
EP0433314B1 (de) 1999-11-10
ATE167012T1 (de) 1998-06-15
EP0632599B1 (de) 1998-06-03
DE68928699D1 (de) 1998-07-09
KR900702489A (ko) 1990-12-07
WO1990003041A1 (en) 1990-03-22
US4914649A (en) 1990-04-03
DE68929097T2 (de) 2000-07-20
JPH0779499B2 (ja) 1995-08-23
ATE186615T1 (de) 1999-11-15
KR930003451B1 (ko) 1993-04-29
EP0433314A4 (en) 1992-07-15
EP0433314A1 (de) 1991-06-26
DE68928699T2 (de) 1999-01-07
JPH04501790A (ja) 1992-03-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: SCHUMACHER & WILLSAU, PATENTANWALTSSOZIETAET, 80335 MUENCHEN

8339 Ceased/non-payment of the annual fee