Navigation device
First Claim
1. Personal navigation apparatus for providing output data to a person identifying a route back to a recorded waypoint position, comprising:
- a route indication device including a visual display element; and
a positioning device, including;
a processing system having a data storage device,a first micromechanical device configured to produce an output signal proportional to an acceleration along an axis, anda second micromechanical device having components in constant motion and configured to produce an output signal proportional to its angular rate of motion around an axis;
wherein said processing system is configured to generate and store in said data storage device position data describing the position of said personal navigation apparatus within a reference space, based upon data received from said first micromechanical device and said second micromechanical device.
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Accused Products
Abstract
Apparatus for, and a method of, providing output data to a person identifying a route back to a recorded waypoint position. Personal navigation apparatus for providing output data to a person identifying a route back to a recorded waypoint position, comprising a route indication device including a visual display element; and a positioning device. The positioning system includes a processing system having a data storage device, a first micromechanical device configured to produce an output signal proportional to an acceleration along an axis, and a second micromechanical device having components in constant motion and configured to produce an output signal proportional to its angular rate of motion around an axis. The processing system is configured to generate and store in said data storage device position data describing the position of said personal navigation apparatus within a reference space, based upon data received from said first micromechanical device and said second micromechanical device.
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Citations
20 Claims
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1. Personal navigation apparatus for providing output data to a person identifying a route back to a recorded waypoint position, comprising:
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a route indication device including a visual display element; and a positioning device, including; a processing system having a data storage device, a first micromechanical device configured to produce an output signal proportional to an acceleration along an axis, and a second micromechanical device having components in constant motion and configured to produce an output signal proportional to its angular rate of motion around an axis; wherein said processing system is configured to generate and store in said data storage device position data describing the position of said personal navigation apparatus within a reference space, based upon data received from said first micromechanical device and said second micromechanical device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of providing output data to a person identifying a route back to a recorded waypoint position, comprising the steps of:
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generating position data describing the position of said personal navigation apparatus within a reference space, based upon data received from a first micromechanical device and a second micromechanical device, storing, in a data storage device, generated position data, identifying a recorded waypoint position, identifying an event position, said event position being a relative position relative to a stored position, and generating route data relating to a route from said event position to a stored position; and visually indicating, on a route indication device, a route, based on said route data, identifying a route back to said recorded waypoint position. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification