Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Clifford L Johns0
Date of Patent
April 23, 2019
0Patent Application Number
158403170
Date Filed
December 13, 2017
0Patent Primary Examiner
Patent abstract
A communications arrangement includes incoming and outgoing fiber optics cables, each having one end inside a confined space and another end outside of the confined space, with the incoming fiber optics cable transmitting light from outside of the confined space, to inside the confined space, through a gap and through a movable filter to the outgoing fiber optics cable, such that a user inside the confined space can transmit signals from inside the confined space to outside of the confined space by moving the movable filter.
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