EP 0887779 A1 19981230 - System for locating a mobile communication device
Title (en)
System for locating a mobile communication device
Title (de)
Lokalisierungssystem für eine Mobilkommunikationsvorrichtung
Title (fr)
Système de localisation d'un dispositif de communication mobile
Publication
Application
Priority
EP 97850102 A 19970624
Abstract (en)
A mobile communication device is disclosed, which, when being in a powered on state, is able to receive calls and, when being in a powered off state, is unable to receive calls. The device comprises a first radio receiver circuit, and a ringing mechanism for activating a ring signal in response to receiving, by means of the first radio receiver circuit, a call to the device, and a second radio receiver circuit, and means for activating the ringing mechanism when a code signal is received by the second radio receiver circuit independent on whether the device is in the powered on state or in the powered off state. <IMAGE>
IPC 1-7
IPC 8 full level
G08B 21/24 (2006.01)
CPC (source: EP)
G08B 21/023 (2013.01); G08B 21/24 (2013.01)
Citation (search report)
- [X] EP 0089667 A1 19830928 - NYIRI THOMAS WILLIAM
- [XD] US 4101873 A 19780718 - ANDERSON BENJAMIN ERNEST, et al
- [X] US 5638050 A 19970610 - SACCA FRANK [US], et al
Designated contracting state (EPC)
DE ES FI FR GB IT NL SE
DOCDB simple family (publication)
DOCDB simple family (application)
EP 97850102 A 19970624