Flexible wave guide joint
First Claim
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1. A sensing system including:
- (a) an oscillating scanning antenna;
(b) a transceiver coupled to said scanning antenna for transmitting radar signals to a target and for receiving reflected radar signals from a target as said scanning antenna is oscillated; and
(c) a multiple piece wave guide feed, including a first portion of the wave guide feed that is fixed and a second portion of the wave guide feed that is connected to the scanning antenna;
(d) wherein the first portion of the wave guide feed and the second portion of the wave guide feed are separated by an air gap that allows angular movement between the scanning antenna and the fixed portion of the wave guide.
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Abstract
A flexible wave guide joint is located between a transceiver and oscillating antenna in a vehicular collision warning system. The flexible joint includes a multiple portion wave guide feed. One portion of the wave guide feed is fixed in position and coupled to the transceiver while another portion of the wave guide feed is coupled to the moving antenna. The wave guide feed portions are separated by an air gap to permit oscillation of the antenna relative to the transceiver.
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Citations
8 Claims
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1. A sensing system including:
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(a) an oscillating scanning antenna;
(b) a transceiver coupled to said scanning antenna for transmitting radar signals to a target and for receiving reflected radar signals from a target as said scanning antenna is oscillated; and
(c) a multiple piece wave guide feed, including a first portion of the wave guide feed that is fixed and a second portion of the wave guide feed that is connected to the scanning antenna;
(d) wherein the first portion of the wave guide feed and the second portion of the wave guide feed are separated by an air gap that allows angular movement between the scanning antenna and the fixed portion of the wave guide. - View Dependent Claims (2, 3, 4, 5, 7, 8)
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6. A sensing system including:
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(a) a multiple portion wave guide feed;
(b) a transceiver with one portion of the wave guide feed being coupled to the transceiver;
(c) an oscillating antenna coupled to another portion of the wave guide feed; and
(d) an air gap separating the portions of the wave guide feed to form a flexible wave guide joint between the transceiver and oscillating antenna;
(e) wherein the flexible wave guide joint permits relative angular movement between the one portion of the wave guide feed coupled to the transceiver and the other portion of the wave guide feed coupled to the oscillating antenna.
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Specification