State the design axis that everything turns on: in phased-array antennas, you trade between agility, performance, and cost, and where you sit on that triangle reveals your market. A consumer satellite terminal optimizes cost above all. A defense system optimizes agility and performance, because the mission, not the bill of materials, is the constraint.
Northrop's grant US10892549B1 (inventor Ronald P. Smith), classified squarely in H01Q 3/34, electronic beam scanning, sits at the defense corner of that triangle. The single-inventor, single-CPC profile of the filing suggests a focused architectural claim rather than a sprawling systems patent.
The contrast with SpaceX's contemporaneous uni-dimensional steering work (US11239553B2) is the whole lesson. SpaceX deliberately halved its steering dimensionality to crush terminal cost; the defense filing assumes you want full two-axis electronic agility and engineers to deliver it. Same CPC class, opposite optimization.
Why this matters to anyone tracking the sector: phased-array IP is where the satellite-comms and defense worlds increasingly overlap, and reading the CPC plus the assignee tells you which set of incentives produced a given claim. Beamforming is the battleground, and the same physics serves a missile-defense radar and a broadband dish very differently.
The limit, as ever, is that a phased-array patent is an architecture, not a fielded radar. It tells you how Northrop intended to steer a beam and what it considered worth protecting; demonstrated performance lives on a test range, not in a claim set.