Title:
PARABOLOIDAL ANTENNA FOR MEASURING FILLED LEVEL IN CONTAINER
Document Type and Number:
Japanese Patent JP3040734
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain an antenna capable of being introduced into an opening smaller in diameter in a container while being folded, being forcibly opened inside the container and being drawn out while being forcibly folded by providing a device which forcibly execute movement for folding and closing a paraboloial shield and movement for extending and opening it.
SOLUTION: In a filled level measuring instrument 1, a paraboloidal antenna 3 is connected to an antenna pipe 13 among an equipment flange 11, a microwave element and a receiver 14 so that the paraboloidal shield 31 to be symmetry with the horizontal symmetrical axis line of the antenna pipe 13 as a center. Microwave is radiated towards the inner wall of the paraboloidal shield 31 by the transmitting part of the transmitter-receiver 14. Here, the paraboloidal antenna 3 is provided with devices (an adjusting device 15, an adjusting material, a slider, a pulling coil spring and a spring conductive device) which forcibly execute movement for folding and closing the paraboloidal shield 31 and movement for extending and opening it.
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Inventors:
Hans-Joseph Schneider
Application Number:
JP12927597A
Publication Date:
May 15, 2000
Filing Date:
May 20, 1997
Export Citation:
Assignee:
Endless und Hauser Gezershyaft Mitz Besilenktel Haftsung und Company
International Classes:
G01F23/284; H01Q1/08; H01Q1/22; H01Q1/24; H01Q15/16; (IPC1-7): H01Q15/16; G01F23/284; H01Q1/08
Domestic Patent References:
| JP3101505A | ||||
| JP4103714U | ||||
| JP5505470A |
Attorney, Agent or Firm:
Toshio Yano (2 outside)