DEVICES, SYSTEMS AND METHODS FOR PORTABLE DEVICE LOCATION
First Claim
1. A portable device, comprising:
- a battery; and
two exposed device electrical contacts coupled to the battery, the two exposed device electrical contacts powering a radiofrequency (RFID) transmitter, the RFID transmitter having two exposed transmitter electrical contacts to receive power from the two exposed device electrical contacts;
wherein a location of the RFID transmitter may be calculated based on readings from a plurality of RFID readers distributed about an area, the plurality of RFID readers configured to detect the RFID transmitter coupled to the portable device, each of the plurality of RFID readers producing a broadcast alone and waiting for a response from the RFID transmitter before another one of the plurality of RFID readers produces a broadcast.
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Accused Products
Abstract
Devices, systems, and methods are disclosed which relate to a network of RFID readers which detect a location of an RFID transmitter coupled to a portable device. The network of RFID readers transmits the location to a user. The RFID transmitter couples to any personal device and broadcasts a unique ID. The nearest RFID reader(s) receive the unique ID and alert a server in communication with the network of RFID readers. The server calculates the distance of the RFID transmitter from each RFID reader receiving the unique ID. The server triangulates the location of the RFID transmitter when three or more RFID readers are receiving the unique ID. The server then securely transmits the location of the RFID transmitter to the user of the portable device. The user receives the transmission through a secure receiver.
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Citations
20 Claims
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1. A portable device, comprising:
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a battery; and two exposed device electrical contacts coupled to the battery, the two exposed device electrical contacts powering a radiofrequency (RFID) transmitter, the RFID transmitter having two exposed transmitter electrical contacts to receive power from the two exposed device electrical contacts; wherein a location of the RFID transmitter may be calculated based on readings from a plurality of RFID readers distributed about an area, the plurality of RFID readers configured to detect the RFID transmitter coupled to the portable device, each of the plurality of RFID readers producing a broadcast alone and waiting for a response from the RFID transmitter before another one of the plurality of RFID readers produces a broadcast. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A portable device tracking server, comprising:
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a processor; and a memory in communication with the processor, the memory storing logical instructions that are executed by the processor to perform operations including; receiving readings from a plurality of RFID readers distributed about an area, the plurality of RFID readers configured to detect a presence of an RFID transmitter coupled to a portable device, each of the plurality of RFID readers producing a broadcast alone and waiting for a response from the RFID transmitter before another one of the plurality of RFID readers produces a broadcast, and calculating a location of the portable device based on the readings, wherein the portable device includes a battery and a pair of exposed device electrical contacts for mating with a corresponding pair of exposed transmitter electrical contacts of the RFID transmitter allowing the battery to power the RFID transmitter. - View Dependent Claims (13, 14, 15)
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16. A method, comprising:
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utilizing a server including at least one a processor for receiving readings from plurality of radiofrequency (RFID) readers distributed about an area, the plurality of RFID readers configured to detect a presence of an RFID transmitter coupled to a portable device, each of the plurality of RFID readers producing a broadcast alone and waiting for a response from the RFID transmitter before another one of the plurality of RFID readers produces a broadcast; and utilizing the processor for calculating a distance of the RFID transmitter from each of the plurality of RFID readers by measuring the time it takes for the RFID transmitter to respond to the broadcast, wherein the portable device includes a battery, and a pair of exposed device electrical contacts for mating with a corresponding pair of exposed transmitter electrical contacts of the RFID transmitter allowing the battery to power the RFID transmitter. - View Dependent Claims (17, 18, 19, 20)
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Specification