Title (en)

PASSIVE CELLULAR TELEPHONE ANTENNA SYSTEM

Publication

EP 0458592 A3 19920115 (EN)

Application

EP 91304582 A 19910521

Priority

US 52718190 A 19900522

Abstract (en)

[origin: EP0458592A2] A mast radiator (12) is affixed to a glass or other non conductive exterior panel (16) of a vehicle and is provided with a dipole element (18) and one or more parasitic elements to exchange signals, with gain, between the mast (12) and the antenna of a portable cellular telephone unit within the vehicle. In the preferred embodiment, a separate base unit (14) with parasitic elements is mounted on the same glass panel (16) on the opposite surface and opposite the base of the mast radiator (12). <IMAGE>

IPC 1-7

H01Q 1/32; H01Q 1/12; H04B 7/145

IPC 8 full level

H01Q 1/24 (2006.01); H01Q 1/12 (2006.01); H01Q 1/32 (2006.01); H04B 1/38 (2006.01); H04B 7/14 (2006.01); H04B 7/26 (2006.01)

CPC (source: EP KR)

H01Q 1/1285 (2013.01 - EP); H01Q 1/3283 (2013.01 - EP); H01Q 9/00 (2013.01 - KR)

Citation (search report)

• EP 0431640 A2 19910612 - LARSEN ELECTRONICS INC [US]
• EP 0429203 A1 19910529 - NOKIA MOBILE PHONES LTD [FI]
• FR 2081211 A7 19711203 - SAINT GOBAIN
• US 4794319 A 19881227 - SHIMAZAKI TETSUO [JP]

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR IT LI LU NL SE

DOCDB simple family (publication)

EP 0458592 A2 19911127; EP 0458592 A3 19920115; EP 0458592 B1 19960131; AT E133814 T1 19960215; DE 69116733 D1 19960314; DE 69116733 T2 19960605; IE 72170 B1 19970326; IE 911756 A1 19911204; JP H0426233 A 19920129; KR 910020966 A 19911220; NO 911961 D0 19910522; NO 911961 L 19911125

DOCDB simple family (application)

EP 91304582 A 19910521; AT 91304582 T 19910521; DE 69116733 T 19910521; IE 175691 A 19910522; JP 28740890 A 19901026; KR 900016551 A 19901017; NO 911961 A 19910522