(12) United States Patent (10) Patent No.: US 7,911,400 B2 Kaplan Et Al
USOO7911400B2 (12) United States Patent (10) Patent No.: US 7,911,400 B2 Kaplan et al. (45) Date of Patent: Mar. 22, 2011 (54) APPLICATIONS FOR LOW PROFILE (52) U.S. Cl. ....................................................... 343/713 TWO-WAY SATELLITE ANTENNA SYSTEM (58) Field of Classification Search ........... 343/711 713 (75) Inventors: Ilan Kaplan, North Bethesda, MD (US); See application file for complete search history. Mario Ganchev Gachev, Sofia (BG); Bercovich Moshe, McLean, VA (US); (56) References Cited Danny Spirtus, Holon (IL) U.S. PATENT DOCUMENTS (73) Assignee: Raysat Antenna Systems, L.L.C., 3,565,650 A 2f1971 Cordon Vienna, VA (US) (Continued) (*) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 FOREIGN PATENT DOCUMENTS U.S.C. 154(b) by 0 days. EP O572.933 12/1993 (21) Appl. No.: 11/647,576 (Continued) (22) Filed: Dec. 29, 2006 OTHER PUBLICATIONS (65) Prior Publication Data D. Chang et al., “Compact Antenna Test Range Without Reflector US 2008/OO18545A1 Jan. 24, 2008 Edge Treatment and RF Anechoic Chamber'. IEEE Antenna & Propagation Magazine, vol. 46, No. 4, pp. 27-37, dated Aug. 2004. Related U.S. Application Data (63) Continuation-in-part of application No. 1 1/320,805, (Continued) filed on Dec. 30, 2005, now Pat. No. 7,705,793, which Primary Examiner — Huedung Mancuso is a continuation-in-part of application No. (74) Attorney, Agent, or Firm — Banner & Witcoff, Ltd. 11/074,754, filed on Mar. 9, 2005, now abandoned, and a continuation-in-part of application No. (57) ABSTRACT 10/925.937, filed on Aug.
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