DE3873493T2 - Rufsystem mit ortsabhaengigen gesteuerten rufempfaengern. - Google Patents

Rufsystem mit ortsabhaengigen gesteuerten rufempfaengern.

Info

Publication number
DE3873493T2
DE3873493T2 DE8888202716T DE3873493T DE3873493T2 DE 3873493 T2 DE3873493 T2 DE 3873493T2 DE 8888202716 T DE8888202716 T DE 8888202716T DE 3873493 T DE3873493 T DE 3873493T DE 3873493 T2 DE3873493 T2 DE 3873493T2
Authority
DE
Germany
Prior art keywords
call system
local controlled
controlled receivers
receivers
local
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
DE8888202716T
Other languages
English (en)
Other versions
DE3873493D1 (de
Inventor
Marcel Johannes Gerh Vrijkorte
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.)
Ascom Tateco AB
Original Assignee
Ericsson Radio Systems BV
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 Ericsson Radio Systems BV filed Critical Ericsson Radio Systems BV
Application granted granted Critical
Publication of DE3873493D1 publication Critical patent/DE3873493D1/de
Publication of DE3873493T2 publication Critical patent/DE3873493T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • 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
    • G08B3/1025—Paging receivers with audible signalling details
    • G08B3/1066—Paging receivers with audible signalling details with other provisions not elsewhere provided for, e.g. turn-off protection
    • 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
    • G08B3/1083—Pager locating systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/04—Arrangements for transmitting signals characterised by the use of a wireless electrical link using magnetically coupled devices

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
DE8888202716T 1987-12-01 1988-11-28 Rufsystem mit ortsabhaengigen gesteuerten rufempfaengern. Expired - Fee Related DE3873493T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8702885 1987-12-01

Publications (2)

Publication Number Publication Date
DE3873493D1 DE3873493D1 (de) 1992-09-10
DE3873493T2 true DE3873493T2 (de) 1993-02-04

Family

ID=19851007

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888202716T Expired - Fee Related DE3873493T2 (de) 1987-12-01 1988-11-28 Rufsystem mit ortsabhaengigen gesteuerten rufempfaengern.

Country Status (4)

Country Link
US (1) US4943803A (de)
EP (1) EP0319099B1 (de)
AU (1) AU607022B2 (de)
DE (1) DE3873493T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5254986A (en) * 1989-10-23 1993-10-19 Motorola, Inc. Nation-wide paging with local modes of operation
JP2563152Y2 (ja) * 1990-06-04 1998-02-18 日本電気株式会社 表示付選択呼出受信機
US5239671A (en) * 1990-11-13 1993-08-24 Pagemart, Inc. Simulcast satellite paging system with provision for signal interruption
NL9002677A (nl) * 1990-12-05 1992-07-01 Ericsson Radio Systems Bv Stelsel voor het detecteren van de aanwezigheid in een rek van een draagbare eenheid die geschikt is voor het uitzenden of ontvangen van een signaal met een toegewezen identificatienummer.
EP0501706B1 (de) * 1991-02-25 1998-10-14 Motorola, Inc. Gegenstandsortungssystem
JPH0575526A (ja) * 1991-02-25 1993-03-26 Pagemart Inc 適応呼出装置
WO1993001662A1 (en) * 1991-07-11 1993-01-21 Shimon Neustein Pager apparatus
US5361399A (en) * 1992-06-02 1994-11-01 Pagemart, Inc. Adaptive communication system for transmitting between base stations and portable transceivers via different data rate communication links
US5686892A (en) * 1992-09-14 1997-11-11 Smith; William J. Stolen property tracking system
WO1994024777A2 (en) * 1993-04-15 1994-10-27 STAPLETON, Colin, Gardiner Data transmission using capacitive coupling
US5629693A (en) * 1993-11-24 1997-05-13 Trimble Navigation Limited Clandestine location reporting by a missing vehicle
US5669061A (en) 1994-08-19 1997-09-16 Trimble Navigation Limited Automatic cellular phone tracking
KR0184485B1 (ko) * 1996-08-05 1999-05-15 삼성전자주식회사 페이저 수신기 분실시 위치알림 및 연락처 알림방법
US8466795B2 (en) 1997-01-21 2013-06-18 Pragmatus Mobile LLC Personal security and tracking system
US20030107475A1 (en) * 2001-12-12 2003-06-12 Bautista Edwin Espanola Receiver for and method of extending battery life
US7496060B2 (en) 2005-05-20 2009-02-24 Freescale Semiconductor, Inc. Extending battery life in communication devices having a plurality of receivers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2009031B2 (de) * 1970-02-26 1974-01-24 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Einrichtung zur drahtlosen Steuerung und Überwachung von innerhalb einer Wohneinheit betriebenen elektrischen Geräten
US4110743A (en) * 1974-07-11 1978-08-29 Hasler Ag Wireless paging receiver
CH573688A5 (de) * 1974-07-11 1976-03-15 Hasler Ag
JPS55163922A (en) * 1979-06-08 1980-12-20 Hochiki Corp Communication unit with limited communication area
NL176889C (nl) * 1980-01-30 1985-06-17 Nira Int Bv Personenzoekontvanger.
EP0135783B1 (de) * 1983-08-18 1991-02-27 Nec Corporation Funkkommunikationsgerät abgeschaltet nach Empfang einer bestimmten Nachricht
GB8432807D0 (en) * 1984-12-31 1985-02-06 Emx International Ltd Loop data link
US4794621A (en) * 1987-08-26 1988-12-27 Josef Dirr Apparatus for transmitting information by angle modulation

Also Published As

Publication number Publication date
EP0319099A1 (de) 1989-06-07
AU2583388A (en) 1989-06-01
DE3873493D1 (de) 1992-09-10
US4943803A (en) 1990-07-24
EP0319099B1 (de) 1992-08-05
AU607022B2 (en) 1991-02-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ASCOM TATECO AB, GOETEBORG, SE

8339 Ceased/non-payment of the annual fee