Voll, Inc.

Clinton Courier

Steven Lee Bietz

A method for navigating an aerial vehicle from a first location to a second location, wherein the aerial vehicle having a localization system, the method including guiding the aerial vehicle according to a ground navigation map from the first location to the second location.

Aerial vehicle navigation method

A method for determining the location of a frequency receiver device with respect to at least two frequency originator devices, each of a current location, the method including synchronizing a clock of the frequency receiver device with a clock of one of the at least two frequency originator devices; receiving by the frequency receiver device, a message including an identification code configured for identifying one of the at least two frequency originator devices and obtaining a broadcast time and a current location of the one of the at least two frequency originator devices by looking up a table correlating the at least two frequency originator devices and their respective broadcast times and current locations; calculating a time of flight of the message by calculating the difference between a receive time at which the message is received by the frequency receiver device and the broadcast time.

Mobile device utilizing time of flight for personal security and localization

A method for calibrating a frequency receiver device (FRD) includes obtaining an image of a visually unique object having a visually unique pattern, the visually unique object disposed at a known location; detecting a match by comparing the pattern to a list of pre-determined patterns; upon detecting a match, determining a relative location of the FRD from the pattern based on the pattern and a new broadcast frequency of a frequency originator device (FOD) from a lookup table correlating a plurality of patterns, their corresponding known locations and a broadcast frequency of at least one corresponding FOD for each of the plurality of patterns and determining the location of the FRD from the FOD based on the relative location of the FRD from the known location of the pattern; and synchronizing a clock of a FRD and a clock of a FOD based on said new frequency of the FOD.

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Cotati, CA, United States of America

Clinton Courier