EP 1421824 A2 20040526 - WIRELESS TRANSMITTER AND HEARING SYSTEM
Title (en)
WIRELESS TRANSMITTER AND HEARING SYSTEM
Title (de)
DRAHTLOSER SENDER UND HÖRHILFESYSTEM
Title (fr)
EMETTEUR SANS FIL ET SYSTEME D'ECOUTE
Publication
Application
Priority
CH 0100521 W 20010827
Abstract (en)
[origin: WO0191516A2] A wireless transmitter (1), e.g. as a part of a wireless microphone, has an audio input (T9). Via this audio input and an audio decoder unit (9) from an audio signal source (11, 13) the frequency band, which is locally to be used, is programmed comprising one or more than one selectable carrier frequencies (fc) for the transmission, which distinct frequencies within the said frequency band are manually selected (8).
IPC 1-7
IPC 8 full level
H04B 1/04 (2006.01); H04R 25/00 (2006.01); H04R 25/04 (2006.01)
CPC (source: EP)
H04R 25/558 (2013.01)
Citation (search report)
See references of WO 0191516A2
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
WO 0191516 A2 20011129; WO 0191516 A3 20021010; AU 2001283748 B2 20080306; AU 8374801 A 20011203; CA 2416916 A1 20011129; CA 2416916 C 20100216; EP 1421824 A2 20040526; JP 2004525529 A 20040819
DOCDB simple family (application)
CH 0100521 W 20010827; AU 2001283748 A 20010827; AU 8374801 A 20010827; CA 2416916 A 20010827; EP 01962520 A 20010827; JP 2001586543 A 20010827