EP 0169823 A1 19860129 - Transmitter-receiver system in a satelite.
Title (en)
Transmitter-receiver system in a satelite.
Title (de)
Satellitensender-Empfängersystem.
Title (fr)
Système émetteur-récepteur d'un satellite.
Publication
Application
Priority
SE 8403812 A 19840720
Abstract (en)
A transmitter-receiver system is included as a radio link in a satelite for transmitting and receiving signals in the micro-frequency range between two earth stations. The antenna in the system comprises, in accordance with the invention, an octofilar, crossed helix antenna, which is circularly polarised and practically omnidirectional with respect to radiated power.
IPC 1-7
IPC 8 full level
H01Q 1/36 (2006.01); H01Q 11/08 (2006.01)
CPC (source: EP)
H01Q 1/362 (2013.01); H01Q 11/08 (2013.01)
Citation (search report)
- US 4011567 A 19770308 - BEN-DOV ODED
- DE 1129191 B 19620510 - SIEMENS AG
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 0169823 A1 19860129; EP 0169823 B1 19880706; DE 3563673 D1 19880811; ES 545381 A0 19870301; ES 8704053 A1 19870301; SE 443691 B 19860303; SE 8403812 D0 19840720; SE 8403812 L 19860121
DOCDB simple family (application)
EP 85850204 A 19850612; DE 3563673 T 19850612; ES 545381 A 19850719; SE 8403812 A 19840720