Title:
GHOST REDUCING DEVICE
Document Type and Number:
Japanese Patent JPS53107229
Kind Code:
A
Abstract:
PURPOSE: To reduce ghosts automatically through the feedback by supplying the signal, obtainined by detecting the relative strength of a ghost signal, to the variably-directionalcircuit of a variably-directional poly-group composition antenna so as to reduce the relative strength of ghost.
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Inventors:
USUI AKIRA
YAMAMOTO HIROSUKE
YAMAGUCHI NAKAO
YAMAMOTO HIROSUKE
YAMAGUCHI NAKAO
Application Number:
JP2294477A
Publication Date:
September 19, 1978
Filing Date:
March 02, 1977
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
H01Q3/26; H01Q3/36; H04B1/10; H04N5/21; (IPC1-7): H01Q3/26; H04B1/10; H04N5/21; H04N5/44
Domestic Patent References:
| JPS5858842A | 1983-04-07 |