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US 8,174,931 B2Granted
Apparatus and method for providing indoor location, position, or tracking of a mobile computer using building information
AssigneeHJ Laboratories, LLC
InventorsHarry Vartanian, Jaron Jurikson-Rhodes
Life of this patent
Estimating the term…
Abstract
An apparatus and method for providing indoor location, position, or tracking of a mobile computer using building information. The mobile computer determines the dimensions of a room in a building using a range finder in the mobile computer. The determined dimensions of the room are compared to the building information to locate, position, or track the mobile computer in the building.
Claims18
A mobile computer comprising:
- circuitry configured to transmit a first and second ultrasound signal;
- circuitry configured to receive a reflection of the first and second ultrasound signal off a first and second wall of a room in a building where the mobile computer is present;
- circuitry configured to determine an orientation of the mobile computer in the room;
- circuitry configured to determine a length and width of the room based on the reflection of the first and second ultrasound signal off the first and second wall and the orientation;
- and
- circuitry configured to determine a location of the room within the building where the mobile computer is currently located based on comparison of the length and width of the room to room layout information of the building stored in the mobile computer.
3 more elements
A method to locate a mobile computer indoors, comprising:
- transmitting by the mobile computer a first and second ultrasound signal;
- receiving by the mobile computer a reflection of the first and second ultrasound signal off a first and second wall of a room in a building where the mobile computer is present;
- determining by the mobile computer an orientation of the mobile computer in the room;
- determining by the mobile computer a length and width of the room based on the reflection of the first and second ultrasound signal off the first and second wall and the orientation;
- and
- determining by the mobile computer a location of the room within the building where the mobile computer is currently located based on comparison of the length and width of the room to room layout information of the building stored in the mobile computer.
3 more elements
Dependencies are inferred from the claim text.