Patent classifications
G
PHYSICS
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G01
MEASURING; TESTING
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G01S
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
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3/00
Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic waves, or particle emission, not having a directional significance, are being received
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G01S3/14
Systems for determining direction or deviation from predetermined direction
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G01S3/28
using amplitude comparison of signals derived simultaneously from receiving antennas or antenna systems having differently-oriented directivity characteristics
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G01S3/32
derived from different combinations of signals from separate antennas, e.g. comparing sum with difference
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G01S3/36
the separate antennas having differently-oriented directivity characteristics
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G01S3/36

ELECTROMAGNETIC PULSE (EMP) DETECTOR AND SYSTEM
20250172649 · 2025-05-29 ·

A EMP detection system may include a dual-loop antenna, including: an antenna substrate having a first side and a second side opposite the first side, a first loop antenna located on the first side, the first loop antenna having a first polarity; and a second loop antenna located on the second side, the second loop antenna having a second polarity opposite the first polarity.