Invention Grant
- Patent Title: Multi-beam bi-focal shaped reflector antenna for concurrent communication with multiple non-collocated geostationary satellites and associated method
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Application No.: US15516197Application Date: 2015-10-01
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Publication No.: US10249951B2Publication Date: 2019-04-02
- Inventor: Donald L Runyon , Sharad V Parekh
- Applicant: VIASAT, INC.
- Applicant Address: US CA Carlsbad
- Assignee: VIASAT, INC.
- Current Assignee: VIASAT, INC.
- Current Assignee Address: US CA Carlsbad
- International Application: PCT/US2015/053414 WO 20151001
- International Announcement: WO2016/054324 WO 20160407
- Main IPC: H01Q1/08
- IPC: H01Q1/08 ; H01Q1/12 ; H01Q1/28 ; H01Q3/08 ; H01Q3/18 ; H01Q5/45 ; H01Q15/14 ; H01Q19/13 ; H01Q25/00 ; H04B7/185 ; H04H40/90

Abstract:
In one embodiment, a multi-beam antenna is described. The multi-beam antenna includes a reflector having a single reflector surface defining a first focal region and a second focal region. A first feed group is located within the first focal region. The first feed group includes a first feed oriented relative to the reflector define a first beam pointed in a first direction. The multi-beam antenna further includes a fixed attachment mechanism attaching the first feed group to the reflector such that a position of the first feed group is fixed relative to the reflector. The multi-beam antenna further includes a second feed group located within the second focal region. The second feed group includes a second feed oriented relative to the reflector to define a second beam pointed in a second direction. The multi-beam antenna further includes an adjustable attachment mechanism attaching the second feed group to the reflector in an adjustable relation to the reflector, whereby a difference between the first direction and the second direction is adjustable.
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