Is a
Patent attributes
Patent Applicant
Patent Jurisdiction
Patent Number
Patent Inventor Names
Todd Stave0
Fred Melvelle Briggs, IV0
Date of Patent
September 3, 2019
0Patent Application Number
154560960
Date Filed
March 10, 2017
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A reactive tether spool comprises a drum, a signal cable, a drum actuator, a tension sensor, and a controller. The signal cable transports power and a control signal to a UAV. A controller receives a tension measurement from the tension sensor and controls the drum actuator to maintain a determined tension on the signal cable while performing at least one of the following: dispensing the signal cable; holding the signal cable steady; and collecting the signal cable.
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