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JPS5636999U |
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JPS5610766B1 |
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JPS5610024Y2 |
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JPS5622810U |
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JPS5615106U |
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JPS568903A |
PURPOSE: To make it possible to use two kind of antennas in common by preventing a radiation pattern from becoming disordered due to reflection on a metal surface provided between two kind of antennas by sticking a radio-wave absorber to...
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JPS567831U |
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JPS566108U |
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JPS561910U |
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JPS56717A |
PURPOSE: To enable to obtain the speed measurement of high reliability from low to high speed under the mounting on automobiles, by providing the shield cover giving attenuation effect only to the side lobe of antenna. CONSTITUTION: It i...
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JPS55176909U |
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JPS5550322B1 |
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JPS5549799B2 |
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JPS5549798B2 |
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JPS5549797B2 |
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JPS5552716Y2 |
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JPS55157300A |
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JPS5547479B2 |
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JPS5551040Y2 |
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JPS55159609U |
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JPS55147043A |
PURPOSE: To constitute the marine satellite communication system not requiring the antenna stabilizing stand and tracking unit of high accuracy, by using the small sized antenna with non-directivity over the range of angle more than a gi...
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JPS55159599U |
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JPS55145404A |
PURPOSE: To reduce the measuring error by deflecting or absorbing the electric waves arriving in multiple reflection peripheral or near the receiving antenna and thus preventing the multiple reflected waves sent from the subject from goi...
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JPS55157307U |
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JPS55156112U |
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JPS5542762B2 |
A cylindrical metal sheath surrounds the beam rays between the antenna and the passive reflector of a periscope arrangement; this sheath forms the support of the periscope arrangement as well as a screen against parasitic radiation.
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JPS5542761B2 |
1515787 Aerials RAYTHEON CO 7 April 1976 [1 May 1975] 14144/74 Heading H4A An antenna assembly for producing a plurality of directional beams of electromagnetic energy and having constant beam width over a frequency range, comprises a pr...
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JPS55152012U |
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JPS55146705U |
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JPS5544400Y2 |
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JPS5544397Y2 |
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JPS55137599U |
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JPS55135497U |
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JPS55120199A |
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JPS5535002B2 |
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JPS5529599B2 |
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JPS5529600B2 |
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JPS5527479B2 |
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JPS5520614B2 |
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JPS5574200A |
Metallized sheet-form textiles of synthetic polymers or natural fibres to which a metal layer has been applied by wet-chemical currentless deposition are particularly suitable for screening electromagnetic waves in the range from 10 MHz ...
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JPS5563101A |
A foamed plastics dielectric lens 16 having a comparatively low dielectric constant of between 1.05 and 1.5 serves to produce a plane wave of uniform phase and is provided on one surface with means 30 to control extraneous energy contrib...
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JPS5516400B2 |
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JPS5515808B2 |
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JPS5517516Y2 |
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JPS5513600B2 |
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JPS5515358Y2 |
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JPS5515359Y2 |
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JPS5513162B2 |
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JPS5540574U |
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JPS5534614U |
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