EP 2472910 A1 20120704 - Public address system using wireless mobile communication devices
Title (en)
Public address system using wireless mobile communication devices
Title (de)
Beschallungsanlage mit drahtlosen mobilen Kommunikationsvorrichtungen
Title (fr)
Système de sonorisation utilisant des dispositifs mobiles de communication sans fil
Publication
Application
Priority
- EP 12154519 A 20090226
- EP 09153832 A 20090226
Abstract (en)
A public address system is set forth, comprising at least one wireless mobile communication device; a sound system; and a back-end system for selectively receiving a wireless signal from the wireless mobile communication device and transmitting the signal to the sound system for broadcast.
IPC 8 full level
H04R 27/00 (2006.01)
CPC (source: EP)
H04R 27/00 (2013.01); H04R 2420/07 (2013.01)
Citation (search report)
- [Y] US 5860023 A 19990112 - TOGNAZZINI BRUCE [US]
- [Y] DE 10124337 A1 20021121 - DEUTSCHE TELEKOM AG [DE]
- [A] EP 2026275 A1 20090218 - HEWLETT PACKARD DEVELOPMENT CO [US]
- [A] WO 2007003683 A1 20070111 - NOKIA CORP [FI], et al
- [A] WO 2008074350 A1 20080626 - PHONAK AG [CH], et al
- [A] STEVE RACKLEY: "Wireless Networking Technology", 1 January 2007, NEWNES, ISBN: 0750667885, article "Ch. 10 Wireless PAN Standards, Ch. 11 Implementing Wireless PANs", pages: 253 - 306, XP002562804
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 2224753 A1 20100901; EP 2224753 B1 20180411; CA 2690661 A1 20100826; CA 2690661 C 20140729; EP 2472910 A1 20120704; EP 2472910 B1 20201111
DOCDB simple family (application)
EP 09153832 A 20090226; CA 2690661 A 20100121; EP 12154519 A 20090226