The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 25, 2018
Filed:
Oct. 26, 2015
Applicant:
Bae Systems Plc, London, GB;
Inventors:
Stephen Derek Finch, Chelmsford, GB;
Matthew Robert Gore, Chelmsford, GB;
Duncan Peter Rowe, Chelmsford, GB;
Assignee:
BAE SYSTEMS Plc, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 5/14 (2006.01); E21B 41/00 (2006.01); E21B 47/09 (2012.01); E21B 47/12 (2012.01); E21B 17/01 (2006.01); E21B 47/14 (2006.01); H04L 5/16 (2006.01);
U.S. Cl.
CPC ...
H04L 5/1461 (2013.01); E21B 17/01 (2013.01); E21B 41/0007 (2013.01); E21B 47/09 (2013.01); E21B 47/12 (2013.01); E21B 47/14 (2013.01); H04L 5/16 (2013.01);
Abstract
Communication apparatus comprises a first transceiver unit (A) and a signal processing device () configured to receive a signal from the first transceiver unit and to produce a signal for transmission by the first transceiver unit. A cable (A) connects the first transceiver unit to the signal processing device. The first transceiver unit comprises a housing; a first pair of transducers (T,R) located at, or adjacent, a first end of the housing, and a second set of transducers (T,R) located at, or adjacent, an opposite end of the housing.