EP 1247310 B1 20030618 - RADIO TRANSMITTER/RADIO RECEIVER UNIT COMPRISING A TUNEABLE ANTENNA
Title (en)
RADIO TRANSMITTER/RADIO RECEIVER UNIT COMPRISING A TUNEABLE ANTENNA
Title (de)
FUNK-SENDE-/FUNK-EMPFANGSEINRICHTUNG MIT ABSTIMMBARER ANTENNE
Title (fr)
UNITE D'EMISSION/DE RECEPTION RADIO A ANTENNE ACCORDABLE
Publication
Application
Priority
- DE 0004225 W 20001128
- DE 19959983 A 19991213
Abstract (en)
[origin: US6781562B1] A radio transmitter and receiver is provided having an electrically acting antenna body in whose near region a dielectric body is arranged, with the dielectric constant of the dielectric body being varied by at least one control signal to ensure an optimum value for at least one physical variable representing a function of the transmission/reception quality of the radio transmitter and receiver.
IPC 1-7
IPC 8 full level
H01Q 3/44 (2006.01); H01Q 5/00 (2006.01); H01Q 9/04 (2006.01); H01Q 9/30 (2006.01); H01Q 9/32 (2006.01)
CPC (source: EP US)
H01Q 3/44 (2013.01 - EP US); H01Q 9/0442 (2013.01 - EP US); H01Q 9/14 (2013.01 - EP US); H01Q 9/30 (2013.01 - EP US); H01Q 9/32 (2013.01 - EP US)
Citation (examination)
- WO 0065685 A1 20001102 - SIEMENS AG [DE], et al
- WO 0118907 A1 20010315 - SIEMENS AG [DE], et al
- DE 4025766 A1 19910221 - NISSAN MOTOR [JP]
Designated contracting state (EPC)
AT DE FI FR GB SE
DOCDB simple family (publication)
WO 0145203 A1 20010621; AT E243371 T1 20030715; CN 1210840 C 20050713; CN 1421058 A 20030528; DE 19959983 A1 20010705; DE 19959983 C2 20020502; DE 50002621 D1 20030724; EP 1247310 A1 20021009; EP 1247310 B1 20030618; US 6781562 B1 20040824
DOCDB simple family (application)
DE 0004225 W 20001128; AT 00989808 T 20001128; CN 00817114 A 20001128; DE 19959983 A 19991213; DE 50002621 T 20001128; EP 00989808 A 20001128; US 14923102 A 20020606