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Antenna positioner with eccentric tilt position mechanism

An eccentric and antenna technology, applied in the direction of antennas, supporting machines, antenna parts, etc., can solve problems such as damage and reduced antenna system performance

Pending Publication Date: 2020-10-02
VIASAT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This loss of communication can limit, impair or degrade the performance of such antenna systems

Method used

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  • Antenna positioner with eccentric tilt position mechanism
  • Antenna positioner with eccentric tilt position mechanism
  • Antenna positioner with eccentric tilt position mechanism

Examples

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Embodiment Construction

[0021] The features generally relate to antenna positioning devices, particularly antenna positioning devices that include an eccentric tilt positioning mechanism that sets, changes or maintains a relative angle (e.g., a tilt angle) between a base structure and an intermediate structure .

[0022] When the antenna positioning system is configured to orient the antenna boresight about one or more positioning axes, the antenna positioning system may have difficulty tracking a target device traveling along a path that coincides with one of the positioning axes. For example, when the positioning system is configured so that the antenna boresight is oriented about the azimuth and pitch axes (e.g., in a pitch-azimuth type configuration), the azimuth rate associated with tracking the target device over the air may be infinite (e.g., During a 180 degree transition in azimuth direction as the target device passes overhead at a 90 degree pitch angle).

[0023] According to the describe...

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Abstract

Methods, systems, and devices are described for antenna positioning with an eccentric tilt pointing mechanism. For example, a system in accordance with the present disclosure may include a base structure and an intermediate structure that is rotatably coupled with the base structure about a first axis (e.g., a tilt axis). The system may also include a positioning system that is coupled with the intermediate structure and configured to orient an antenna boresight about at least two angular degrees of freedom with respect to the intermediate structure (e.g., in an elevation-over-azimuth configuration). The system may also include an actuator between the base structure and the intermediate structure that is configured to set, change, or maintain an angle between the base structure and the intermediate structure, which, in some examples, may include a rotation of an eccentric element based on a predicted path of a target device.

Description

[0001] cross reference [0002] This patent application claims the benefit of U.S. Provisional Patent Application No. 62 / 640,386, filed March 8, 2018, by Zimmerman et al., entitled "ANTENNAPOSITIONER WITH ECCENTRIC TILT POSITION MECHANISM," which The Provisional Patent Application is assigned to the assignee of the present patent application and is expressly incorporated herein by reference in its entirety. Background technique [0003] Antenna positioning systems are commonly used in wireless communication systems where antennas are aligned in a specific orientation to support establishing and maintaining a communication link with a target device. Target devices may include satellites, aircraft, ground-based vehicles, stationary ground-based targets, and the like. [0004] Positioning systems used to align antenna boresight with target devices such as these may have specific performance requirements. For example, in order to support communication with one or more target dev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/12H01Q3/08
CPCH01Q1/1257H01Q3/08
Inventor 库尔特·A·齐默尔曼撒迪厄斯·D·奥克斯福德斯科特·D·利奇
Owner VIASAT INC
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