Title:
SATELLITE BROADCAST RECEPTION SYSTEM
Document Type and Number:
Japanese Patent JPH05153595
Kind Code:
A
Abstract:
PURPOSE: To simply receive a satellite broadcast from plural satellites without crosstalk.
CONSTITUTION: Plural intermediate frequency signals down-converted and outputted by converters 2a, 2b, 3a, 3b, 4a of plural antennas 2, 3, 4 receiving transmission signals from plural video signal transmission satellites whose transmission bands differ from each other is converted into optical signals with different wavelengths respectively and the result is mixed by a mixer 11 and the mixed signal is sent to a tuner 31 through an optical cable 13.
Inventors:
HANAI TOMOYUKI
Application Number:
JP31637291A
Publication Date:
June 18, 1993
Filing Date:
November 29, 1991
Export Citation:
Assignee:
SONY CORP
International Classes:
H04B10/00; H04B1/18; H04N5/44; H04N7/20; H04N7/22; H04N21/647; (IPC1-7): H04B10/00; H04N5/44; H04N7/20; H04N7/22
Attorney, Agent or Firm:
Hidekuma Matsukuma