EP 0574455 A4 19940216 -
Publication
Application
Priority
US 66520591 A 19910305
Abstract (en)
[origin: WO9216077A1] A radio (100) attempts to transmit an emergency information signal in a first communication system (302) and then attempts to send the emergency information signal automatically in a second communication system (304) after determining that the emergency information signal was not successfully transmitted in the first system (302). Radio controller (126) can alter the configuration of radio (100) in order for the radio to transmit the emergency information signal to a number of different types of communication systems having different operating modes.
IPC 1-7
IPC 8 full level
H04W 4/90 (2018.01); H04W 88/02 (2009.01)
CPC (source: EP)
H04W 88/02 (2013.01); H04W 4/90 (2018.01); H04W 76/50 (2018.01)
Citation (search report)
- [Y] GB 2225512 A 19900530 - MOTOROLA INC [US]
- [Y] US 4916728 A 19900410 - BLAIR KEVIN B [US]
- See references of WO 9216077A1
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
WO 9216077 A1 19920917; EP 0574455 A1 19931222; EP 0574455 A4 19940216
DOCDB simple family (application)
US 9200911 W 19920206; EP 92905702 A 19920206