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2019-11-05 |
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Methods and apparatus for measuring a signal to switch between modes of transmission
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2020-10-20 |
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Method and apparatus for mitigating thermal stress in a waveguide communication system
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2019-05-15 |
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Methods and apparatus for launching and receiving electromagnetic waves
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Surface wave repeater with controllable isolator and methods for use therewith
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Surface wave transmission device with RF housing and methods for use therewith
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2019-12-02 |
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Guided wave coupling system for telephony cable messenger wire and methods for use therewith
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2019-12-02 |
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Surface wave repeater with cancellation and methods for use therewith
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Method and apparatus for providing power to a waveguide system
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Method and apparatus for managing propagation delays of electromagnetic waves
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Surface wave repeater and methods for use therewith
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Method and apparatus for calibrating waveguide systems to manage propagation delays of electromagnetic waves
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At&T Intellectual Property I, L.P. |
Guided electromagnetic wave communications via an underground cable
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Time domain duplexing repeater using envelope detection
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