WIRELESS TRANSMISSION SYSTEM, RADIO TRANSMISSION METHOD, AND ANTENNA ASSEMBLY

PROBLEM TO BE SOLVED: To enable each home of a collective housing to receive various types of broadcast programs without wiring at a receiver located in each home when each home receiver can receive radio waves emitted from a millimeter wave transmitter installed on a roof, etc. for transmitting var...

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Bibliographische Detailangaben
Hauptverfasser: OGAWA HIROTSUGU, HARADA AMI, HAMAGUCHI KIYOSHI, SHOJI YOZO
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To enable each home of a collective housing to receive various types of broadcast programs without wiring at a receiver located in each home when each home receiver can receive radio waves emitted from a millimeter wave transmitter installed on a roof, etc. for transmitting various types of broadcast signal including BS broadcast signal. SOLUTION: Antennas 31, 32 and 33 for receiving various sorts of broadcast programs are installed on the roof of the collective housing 20, and signals received at the antennas are supplied to a millimeter wave transmitter 22. Radio waves of a millimeter wave band from the millimeter wave transmitter 22 are received at a millimeter wave receiver 23, and the received signals are received by each home of the collective housing. Each home can view a broadcast program based on a wireless transmission system. Such millimeter waves are transmitted even to an adjacent building 34 and to separate houses 35B and 35C. Thus, a problem that the other housing or houses can hardly receive the radio waves can be solved. In each home, radio waves from the transmitter 22 are reflected by a reflector or are received by a receiving antenna mounted outside or inside the window pane of the home to wirelessly receive the signals indoors. COPYRIGHT: (C)2004,JPO