ELECTRONIC DEVICE

PROBLEM TO BE SOLVED: To provide an electronic device which has a radio communication function, and is not necessary to secure a sufficient space for installing an antenna. SOLUTION: The antenna 5 is commonly installed with control signal cables 61 and 62, and receives radio signals transmitted from...

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Bibliographische Detailangaben
Hauptverfasser:	HANAI YOSHINORI, WATABE NOBUYA
Format:	Patent
Sprache:	eng
Schlagworte:	ANTENNAS, i.e. RADIO AERIALS BASIC ELECTRIC ELEMENTS DEVICES OR ARRANGEMENTS RELATED TO TYRES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PERFORMING OPERATIONS REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL TRANSMISSION TRANSPORTING TYRE CHANGING OR REPAIRING TYRE INFLATION VEHICLE TYRES VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an electronic device which has a radio communication function, and is not necessary to secure a sufficient space for installing an antenna. SOLUTION: The antenna 5 is commonly installed with control signal cables 61 and 62, and receives radio signals transmitted from respective sensor units 1 to 4. The antenna 5 has the same length of the control cables 61 and 62, and installed for connecting a supervisory unit 7 and a connector 8. Furthermore, the length of the antenna 5 is the length of one half of the wavelength of the radio signal which the antenna receives, or one fourth (about several ten cm). This increases a receiving gain of the signal when the length of the antenna 5 is the length of one half of the wavelength of the radio signal which is transmitted from the respective sensor units 1 to 4, or one fourth. COPYRIGHT: (C)2006,JPO&NCIPI