Invention Grant
- Patent Title: Determination of a change in atmospheric pressure based on radio frequency return signal
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Application No.: US15378325Application Date: 2016-12-14
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Publication No.: US10586465B2Publication Date: 2020-03-10
- Inventor: Layne A. Berge , John R. Dangler , Matthew S. Doyle , Thomas W. Liang , Manuel Orozco
- Applicant: International Business Machines Corporation
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agency: Patterson + Sheridan, LLP
- Main IPC: G08G5/00
- IPC: G08G5/00 ; G01S13/91 ; G01S13/92 ; G01S13/87 ; G01S13/50 ; G01S7/41 ; G01S13/95 ; G01S13/78

Abstract:
Apparatus and methods to determine a change in atmospheric pressure between a forward portion of a flying object and a rear portion of the flying object based on at least one radio frequency (RF) return signal, and to determine a password using the determined change in atmospheric pressure.
Public/Granted literature
- US20180164425A1 DETERMINATION OF A CHANGE IN ATMOSPHERIC PRESSURE BASED ON RADIO FREQUENCY RETURN SIGNAL Public/Granted day:2018-06-14
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