DE3854434T2 - Personenrufmelder mit rückquittierung mit senderfrequenz-steuerungsvorrichtung. - Google Patents
Personenrufmelder mit rückquittierung mit senderfrequenz-steuerungsvorrichtung.Info
- Publication number
- DE3854434T2 DE3854434T2 DE3854434T DE3854434T DE3854434T2 DE 3854434 T2 DE3854434 T2 DE 3854434T2 DE 3854434 T DE3854434 T DE 3854434T DE 3854434 T DE3854434 T DE 3854434T DE 3854434 T2 DE3854434 T2 DE 3854434T2
- Authority
- DE
- Germany
- Prior art keywords
- ack
- frequency
- pagers
- group
- 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
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
- H04W84/025—One-way selective calling networks, e.g. wide area paging with acknowledge back capability
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/24—Anchors
- B63B21/48—Sea-anchors; Drogues
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
- G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
- G08B3/1016—Personal calling arrangements or devices, i.e. paging systems using wireless transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/141,655 US4891637A (en) | 1988-01-07 | 1988-01-07 | Acknowledge back pager with apparatus for controlling transmit frequency |
PCT/US1988/004398 WO1989006410A1 (en) | 1988-01-07 | 1988-12-12 | Acknowledge back pager with apparatus for controlling transmit frequency |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3854434D1 DE3854434D1 (de) | 1995-10-12 |
DE3854434T2 true DE3854434T2 (de) | 1996-04-18 |
Family
ID=22496612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3854434T Expired - Fee Related DE3854434T2 (de) | 1988-01-07 | 1988-12-12 | Personenrufmelder mit rückquittierung mit senderfrequenz-steuerungsvorrichtung. |
Country Status (9)
Country | Link |
---|---|
US (1) | US4891637A (de) |
EP (1) | EP0394357B1 (de) |
JP (2) | JPH0681091B2 (de) |
KR (1) | KR0131596B1 (de) |
AT (1) | ATE127602T1 (de) |
AU (1) | AU2944589A (de) |
CA (1) | CA1285994C (de) |
DE (1) | DE3854434T2 (de) |
WO (1) | WO1989006410A1 (de) |
Families Citing this family (65)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5629940A (en) * | 1985-11-27 | 1997-05-13 | Seiko Communications Holding N.V. | Transmitting and receiving long messages in a wireless one-way communication system while reserving selected slots for short messages |
US5757782A (en) * | 1985-11-27 | 1998-05-26 | Seiko Communications Systems, Inc. | Paging system with multiple baseband subcarriers |
US5121115A (en) * | 1988-02-22 | 1992-06-09 | Telefind Corporation | Method of transmitting information using programmed channels |
ES2108042T3 (es) * | 1989-12-14 | 1997-12-16 | Motorola Inc | Sistema de telemensajeria con acuse de recibo por satelite. |
JP2887516B2 (ja) * | 1990-09-22 | 1999-04-26 | アイシン精機株式会社 | 移動局位置モニタリングシステム |
US5420572A (en) * | 1990-12-03 | 1995-05-30 | Echelon Corporation | Configuration device for use in a networked communication system |
US5319641A (en) * | 1990-12-03 | 1994-06-07 | Echelon Systems Corp. | Multiaccess carrier sensing network communication protocol with priority messages |
US5297143A (en) * | 1990-12-03 | 1994-03-22 | Echelon Systems, Corp. | Network communication protocol including a reliable multicasting technique |
US5546444A (en) * | 1994-03-11 | 1996-08-13 | Bellsouth Corporation | Methods and apparatus for communicating data via a cellular network control channel |
US5794144A (en) * | 1994-03-11 | 1998-08-11 | Bellsouth Corporation | Methods and apparatus for communicating data via a cellular mobile radiotelephone system |
CA2085722C (en) * | 1992-01-08 | 1997-02-25 | Samuel Rocco Paniccia Jr. | Use of a vcxo in the base unit of a two-handset cordless telephone system |
US5539810A (en) * | 1992-01-27 | 1996-07-23 | Highwaymaster Communications, Inc. | Data messaging in a communications network |
US6295449B1 (en) | 1992-01-27 | 2001-09-25 | @Track Communications, Inc. | Data messaging in a communications network using a feature request |
US5335246A (en) * | 1992-08-20 | 1994-08-02 | Nexus Telecommunication Systems, Ltd. | Pager with reverse paging facility |
US5430759A (en) * | 1992-08-20 | 1995-07-04 | Nexus 1994 Limited | Low-power frequency-hopped spread spectrum reverse paging system |
US5323418A (en) * | 1993-01-13 | 1994-06-21 | Motorola, Inc. | Code division multiple access (CDMA) inbound messaging system utilizing interference cancellation to recover inbound messages |
CA2131922C (en) * | 1993-01-13 | 1999-10-26 | Douglas I. Ayerst | Code division multiple access (cdma) inbound messaging system utilizing re-use of sequences |
US5343494A (en) * | 1993-01-13 | 1994-08-30 | Motorola, Inc. | Code division multiple access (CDMA) inbound messaging system utilizing over-the-air programming |
US5450617A (en) * | 1993-05-25 | 1995-09-12 | Motorola, Inc. | Method and apparatus for closed loop frequency control in a two-way communication system |
US5450612A (en) * | 1993-08-26 | 1995-09-12 | Motorola, Inc. | Communication system for communicating with a plurality of selective call receivers and method therefor |
US5530452A (en) * | 1993-10-21 | 1996-06-25 | Nexus Telecommunication Systems Ltd. | Method of synchronizing spread spectrum radio transmitters |
US5708971A (en) * | 1994-01-11 | 1998-01-13 | Ericsson Inc. | Two-way paging system and apparatus |
US5479408A (en) * | 1994-02-22 | 1995-12-26 | Will; Craig A. | Wireless personal paging, communications, and locating system |
US5542115A (en) * | 1994-06-24 | 1996-07-30 | Pioneer Tech Development Limited | Paging method and apparatus |
EP0697781B1 (de) * | 1994-08-18 | 2001-09-26 | Hewlett-Packard Company, A Delaware Corporation | Verfahren und Vorrichtung zur Herstellung einer bidirektionalen Kommunikation zwischen einem Funkrufgerät und einem Funkrufdienstleistungsanbieter |
WO1996008933A1 (en) * | 1994-09-12 | 1996-03-21 | Seiko Communications Systems, Inc. | Acknowledge back pager using secondary transmission source |
US5513241A (en) * | 1994-09-12 | 1996-04-30 | Seiko Communications Systems, Inc. | Low cost acknowledge-back system for a pager using existing infrastructure |
US5649297A (en) * | 1994-10-21 | 1997-07-15 | Seiko Communications Holding N.V. | Transmitting digital data using multiple subcarriers |
US5603088A (en) * | 1995-02-28 | 1997-02-11 | Motorola, Inc. | Method and apparatus for determining a quality level of an analog signal in a radio communication system |
US5673036A (en) * | 1995-03-27 | 1997-09-30 | Motorola, Inc. | Selective call receiver memory validation and acknowledgement and method therefor |
US5564091A (en) * | 1995-03-29 | 1996-10-08 | Motorola, Inc. | Method and apparatus for operating an automatic frequency control in a radio |
US5602831A (en) * | 1995-03-31 | 1997-02-11 | Seiko Communications Systems, Inc. | Optimizing packet size to eliminate effects of reception nulls |
US5537398A (en) * | 1995-05-12 | 1996-07-16 | Motorola, Inc. | Apparatus for multi-rate simulcast communications |
WO1996039781A1 (en) * | 1995-06-06 | 1996-12-12 | Flash Comm, Inc. | Determining propagating and clear frequency in wireless data communications network |
US5765112A (en) * | 1995-06-06 | 1998-06-09 | Flash Comm. Inc. | Low cost wide area network for data communication using outbound message specifying inbound message time and frequency |
US5734963A (en) * | 1995-06-06 | 1998-03-31 | Flash Comm, Inc. | Remote initiated messaging apparatus and method in a two way wireless data communications network |
US5589844A (en) * | 1995-06-06 | 1996-12-31 | Flash Comm, Inc. | Automatic antenna tuner for low-cost mobile radio |
US5535191A (en) * | 1995-06-28 | 1996-07-09 | Seiko Communications Systems, Inc. | Method and apparatus for switching between redundant hardware in a wireless data communication system |
US5760705A (en) * | 1995-09-01 | 1998-06-02 | Glenayre Electronics, Inc. | System for maintaining receiver/transmitter synchronization with two-way pagers |
US5686901A (en) * | 1995-10-10 | 1997-11-11 | Motorola, Inc. | System and method for queuing and batching messages for wireless transmission |
US6215413B1 (en) | 1995-12-08 | 2001-04-10 | Seiko Communication Systems | User selectable receiver addresses for wireless communication systems |
US5805077A (en) * | 1996-09-30 | 1998-09-08 | Glenayre Electronics, Inc. | Two-way paging system having reverse channel message frequency authentication |
US5873043A (en) * | 1996-12-18 | 1999-02-16 | Cellemetry Llc | System for communicating messages via a forward overhead control channel |
US6370375B1 (en) | 1997-04-14 | 2002-04-09 | At&T Corp. | Voice-response paging device and method |
US6311056B1 (en) | 1998-05-21 | 2001-10-30 | Cellemetry Llc | Method and system for expanding the data capacity of a cellular network control channel |
US6738647B1 (en) | 1999-04-23 | 2004-05-18 | Numerex Corporation | Method and system for expanding the data payload of data messages transported via a cellular network control channel |
US6718177B1 (en) * | 1999-09-20 | 2004-04-06 | Cellemetry, Llc | System for communicating messages via a forward overhead control channel for a programmable logic control device |
US7783508B2 (en) | 1999-09-20 | 2010-08-24 | Numerex Corp. | Method and system for refining vending operations based on wireless data |
US6856808B1 (en) * | 1999-10-29 | 2005-02-15 | Cellmetry, Llc | Interconnect system and method for multiple protocol short message services |
US7546141B2 (en) * | 2000-05-23 | 2009-06-09 | Robert Leon | Hybrid communication system and method |
US7245928B2 (en) | 2000-10-27 | 2007-07-17 | Cellemetry, Llc | Method and system for improved short message services |
US20030081735A1 (en) * | 2001-08-27 | 2003-05-01 | Emory Thomas M. | System and method for detecting and reporting defective telephone lines and alarm events |
US6718237B1 (en) | 2002-03-28 | 2004-04-06 | Numerex Investment Corp. | Method for reducing capacity demands for conveying geographic location information over capacity constrained wireless systems |
US7450697B2 (en) * | 2003-07-07 | 2008-11-11 | At&T Mobility Ii Llc | Network protocol converter |
US7323970B1 (en) * | 2004-01-21 | 2008-01-29 | Numerex Corporation | Method and system for remote interaction with a vehicle via wireless communication |
US7969959B2 (en) | 2004-12-16 | 2011-06-28 | Critical Response Systems, Inc. | Method and apparatus for efficient and deterministic group alerting |
US20070121653A1 (en) * | 2005-11-04 | 2007-05-31 | Reckamp Steven R | Protocol independent application layer for an automation network |
US7870232B2 (en) * | 2005-11-04 | 2011-01-11 | Intermatic Incorporated | Messaging in a home automation data transfer system |
US7698448B2 (en) * | 2005-11-04 | 2010-04-13 | Intermatic Incorporated | Proxy commands and devices for a home automation data transfer system |
US7694005B2 (en) | 2005-11-04 | 2010-04-06 | Intermatic Incorporated | Remote device management in a home automation data transfer system |
US7640351B2 (en) * | 2005-11-04 | 2009-12-29 | Intermatic Incorporated | Application updating in a home automation data transfer system |
US20070256085A1 (en) * | 2005-11-04 | 2007-11-01 | Reckamp Steven R | Device types and units for a home automation data transfer system |
US7680471B2 (en) | 2006-05-17 | 2010-03-16 | Numerex Corp. | System and method for prolonging wireless data product's life |
EP2118858A4 (de) | 2007-02-06 | 2010-03-31 | Numerex Corp | In einen dienst integriertes tragbares und drahtloses ereignisberichtsystem |
JP5260251B2 (ja) * | 2008-12-08 | 2013-08-14 | 株式会社トヨタIt開発センター | コグニティブ無線システムにおける利用周波数帯調整方法および無線通信装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3973200A (en) * | 1972-11-07 | 1976-08-03 | Telefonaktiebolaget L M Ericsson | Process for acknowledging calls in a system for wireless staff locators |
JPS6013588B2 (ja) * | 1977-09-16 | 1985-04-08 | 日本電気株式会社 | 無線個別呼出受信機 |
US4208630A (en) * | 1978-10-19 | 1980-06-17 | Altran Electronics, Inc. | Narrow band paging or control radio system |
JPS55109042A (en) * | 1979-02-14 | 1980-08-21 | Nec Corp | Selective individual calling system |
JPS56126339A (en) * | 1980-03-10 | 1981-10-03 | Nec Corp | Mobile communication system |
US4466001A (en) * | 1981-12-04 | 1984-08-14 | Motorola, Inc. | Polling system for multiple terminal units |
GB2115362B (en) * | 1982-02-26 | 1985-07-10 | Btr Plc | Sea anchor |
US4590473A (en) * | 1982-07-28 | 1986-05-20 | Motorola, Inc. | Data signalling system |
JPS6047513A (ja) * | 1983-08-26 | 1985-03-14 | Nec Corp | 周波数ずれ吸収回路 |
JPS6077534A (ja) * | 1983-10-05 | 1985-05-02 | Nec Corp | 送受信機 |
JPS60223231A (ja) * | 1984-04-19 | 1985-11-07 | Nec Corp | 無線通信機 |
US4646082A (en) * | 1984-09-14 | 1987-02-24 | Motorola, Inc. | Inbound acknowledgement stack |
US4713808A (en) * | 1985-11-27 | 1987-12-15 | A T & E Corporation | Watch pager system and communication protocol |
US4636741A (en) * | 1985-11-01 | 1987-01-13 | Motorola, Inc. | Multi-level power amplifying circuitry for portable radio transceivers |
JPS63501707A (ja) * | 1986-02-25 | 1988-07-14 | アバ−ネシ−,ウィリアム・ジョン | シ−アンカ− |
-
1988
- 1988-01-07 US US07/141,655 patent/US4891637A/en not_active Expired - Fee Related
- 1988-11-14 CA CA000582953A patent/CA1285994C/en not_active Expired - Lifetime
- 1988-12-12 EP EP89901806A patent/EP0394357B1/de not_active Expired - Lifetime
- 1988-12-12 JP JP1501782A patent/JPH0681091B2/ja not_active Expired - Lifetime
- 1988-12-12 AU AU29445/89A patent/AU2944589A/en not_active Abandoned
- 1988-12-12 AT AT89901806T patent/ATE127602T1/de not_active IP Right Cessation
- 1988-12-12 DE DE3854434T patent/DE3854434T2/de not_active Expired - Fee Related
- 1988-12-12 JP JP89501782A patent/JPH02504455A/ja not_active Withdrawn
- 1988-12-12 KR KR1019890701672A patent/KR0131596B1/ko not_active IP Right Cessation
- 1988-12-12 WO PCT/US1988/004398 patent/WO1989006410A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
KR900700980A (ko) | 1990-08-17 |
EP0394357B1 (de) | 1995-09-06 |
KR0131596B1 (ko) | 1998-10-01 |
WO1989006410A1 (en) | 1989-07-13 |
ATE127602T1 (de) | 1995-09-15 |
CA1285994C (en) | 1991-07-09 |
JPH02504455A (ja) | 1990-12-13 |
JPH0681091B2 (ja) | 1994-10-12 |
DE3854434D1 (de) | 1995-10-12 |
EP0394357A4 (en) | 1992-05-06 |
JPH02502364A (ja) | 1990-08-02 |
AU2944589A (en) | 1989-08-01 |
EP0394357A1 (de) | 1990-10-31 |
US4891637A (en) | 1990-01-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |