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公开(公告)号：US11874658B2
公开(公告)日：2024-01-16
申请号：US16688617
申请日：2019-11-19
Applicant: NeoScience Co., Ltd.
Inventor： Akira Johmori
CPC classification number: G05D1/0027 , B64C39/024 , G01R33/0094 , G01V3/17 , G01V3/40 , B64U2201/102
Abstract: A transmitter loop is carried by a first aircraft. A receiver sensor is carried by a second aircraft. The first aircraft and the second aircraft fly away from each other. The transmitter loop transmits a primary magnetic field. The transmitted primary magnetic field induces a current in the earth. The induced current generates a secondary magnetic field in the air. The receiver sensor receives the generated secondary magnetic field, and detects strength of the received secondary magnetic field.
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