EP 1335448 A4 20041215 - ANTENNA DEVICE AND PORTABLE TERMINAL
Title (en)
ANTENNA DEVICE AND PORTABLE TERMINAL
Title (de)
ANTENNENEINRICHTUNG UND TRAGBARES ENDGERÄT
Title (fr)
DISPOSITIF D'ANTENNE ET TERMINAL PORTABLE
Publication
Application
Priority
JP 0007637 W 20001031
Abstract (en)
[origin: EP1335448A1] An antenna device (3a) includes a substrate (11) and an antenna (21) provided on the substrate (11) and having an electrical length of ( lambda /2)xA (A is an integer). The antenna (21) includes a plate antenna (21b) positioned at a portion where an electrical length from an end portion (21d) is approximately lambda /4+( lambda /2)xB (B is an integer), and a meander line antenna (21a, 21c) connected to the plate antenna (21b). <IMAGE>
IPC 1-7
IPC 8 full level
H01Q 1/24 (2006.01); H01Q 1/36 (2006.01); H01Q 1/38 (2006.01); H01Q 9/16 (2006.01); H01Q 9/26 (2006.01); H01Q 9/28 (2006.01)
CPC (source: EP)
H01Q 1/243 (2013.01); H01Q 1/36 (2013.01); H01Q 1/362 (2013.01); H01Q 1/38 (2013.01); H01Q 9/16 (2013.01); H01Q 9/26 (2013.01); H01Q 9/285 (2013.01)
Citation (search report)
- [X] EP 0944128 A1 19990922 - MURATA MANUFACTURING CO [JP]
- [A] EP 0847103 A2 19980610 - KYOCERA CORP [JP]
- [A] US 5898411 A 19990427 - MCGAFFIGAN FRANCIS D [US], et al
- [A] PATENT ABSTRACTS OF JAPAN vol. 1998, no. 09 31 July 1998 (1998-07-31)
- See references of WO 0239542A1
Designated contracting state (EPC)
AT BE CH DE FR GB LI
DOCDB simple family (publication)
EP 1335448 A1 20030813; EP 1335448 A4 20041215; CN 1229893 C 20051130; CN 1415126 A 20030430; JP WO2002039542 A1 20040318; WO 0239542 A1 20020516
DOCDB simple family (application)
EP 00970214 A 20001031; CN 00818025 A 20001031; JP 0007637 W 20001031; JP 2002541755 A 20001031