MEASURING CASE FOR RADIO WAVE EQUIPMENT

PROBLEM TO BE SOLVED: To constitute in a small size by reducing an influence of a reflected wave. SOLUTION: A radio wave absorber 11 is mounted on an overall inner surface of a measuring case 17. An upper half of the case 17 is formed in a pyramidal state, a circularly polarized wave antenna 15 is m...

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Bibliographische Detailangaben
Hauptverfasser:	KATO KAZUO, MOGI YASUO
Format:	Patent
Sprache:	eng
Schlagworte:	ANTENNAS, i.e. RADIO AERIALS BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS PRINTED CIRCUITS TESTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To constitute in a small size by reducing an influence of a reflected wave. SOLUTION: A radio wave absorber 11 is mounted on an overall inner surface of a measuring case 17. An upper half of the case 17 is formed in a pyramidal state, a circularly polarized wave antenna 15 is mounted at its vertex, and a directing direction of the antenna 15 is brought into coincidence with a centerline of the pyramid. A small-sized radio wave equipment 13 to be measured is arranged at a disposing part 31 provided oppositely to the antenna 15. The antenna 15 is connected to a measuring instrument body 18 through a connector 17 and a cable 19. The pyramidal part 17a is openable and closable to a rectangular parallelepiped lower half 17b.