Title: Radar randome antenna with switchable R.F. transparency/reflectivity

Abstract: Control of the directivity, reflectivity, transparency and tuning of R.F. antenna array is accomplished by building antenna with short dipole segments with a switch between each two segments. The elements are properly connected to exhibit these electrical characteristics by remotely controlling the closing and opening of selected switches. The means for controlling the switches is isolated from the R.F. working frequencies of the antenna. STATEMENT OF GOVERNMENT INTEREST

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Inventors: Crump, Lloyd R. (Silver Spring, MD, US)

Application Number: 492664
Filing Date: 1974-07-29
Publication_date: 1976-05-04
Assignee:
Primary Class(es): 343/701 342/374, 343/837, 343/872
Other Classes:
US Patent Ref:

1860123	May, 1932	Yagi	343/833.
2210666	Aug, 1940	Herzog	343/701.
2703363	Mar, 1955	Rines et al.	343/701.
3276023	Sep, 1966	Dorne et al.	343/754.
3392393	Jul, 1968	Spitz	343/754.
3623109	Nov, 1971	Neumann	343/819.

Other Refs:
Primary Examiner: Lieberman, Eli
Assistant Examiner:
Attorney: Sciascia; R., Beers; R., Scheinbein; S.