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US 9,414,637 B2Granted
Smart shoes with wireless transmitter
AssigneeHoneywell International Inc.
InventorKui Lu
Life of this patent
Estimating the term…
Abstract
A locating and tracking system includes shoes, which carry a wireless module. A user walking the area causes clicking or intermittent energizing a transmitter carried in the module. The transmitter communicates with a plurality of fixed wireless access points, to provide the position and tracking for persons in the area.
Claims15
An apparatus comprising:
- a foot cover;
- a transmitter carried by the foot cover, the transmitter is responsive to at least one of cover deflection, cover bending or cover deformation to carry out a short term transmission;
- a plurality of access points, at least some of which receive the brief transmissions;
- and
- control circuitry coupled to the access points to make a location determination based on access point feedback from at least two different access ports, relative to at least some of the received transmissions.
2 more elements
A method comprising:
- providing a mobile transmitter;
- providing a force responsive switch coupled to the transmitter;
- applying an intermittent force to the switch to intermittently activate the transmitter, which transmits a source identifier of the transmissions, during a spaced apart sequence of selected time intervals;
- receiving the transmissions at least two different locations, and responsive thereto, detecting a transmitter location during a selected time interval using a selected minimum RSSI value.
1 more element
Dependencies are inferred from the claim text.