ANTENNA SYSTEM FOR BROADCAST
PROBLEM TO BE SOLVED: To provide an antenna system for broadcast, capable of suppressing electric waves in broadcast areas adjacent to each other from interfering with each other.SOLUTION: The antenna system for broadcast includes: an array antenna 1 having a plurality of antenna element groups 1a-1...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | PROBLEM TO BE SOLVED: To provide an antenna system for broadcast, capable of suppressing electric waves in broadcast areas adjacent to each other from interfering with each other.SOLUTION: The antenna system for broadcast includes: an array antenna 1 having a plurality of antenna element groups 1a-1c for transmitting broadcast radio waves; a phase shifter 2 that is connected to the array antenna 1 and can change a beam tilt angle of the array antenna 1 by adjusting a phase difference between the antenna element groups 1a-1c, and a power supply cable 3 for supplying electric power to the phase shifter 2. |
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