Contactless data transfer systems and methods
AssigneeKeyssa, Inc.
InventorsGary D. McCormack, Roger D Isaac
Life of this patent
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Abstract
Data may be transferred from a communication subsystem of a first device to a communication subsystem of a second device contactlessly, at high speed, and without intervention by host processors of either device. Devices may be programmed or personalized at the factory or warehouse, and may personalized at a warehouse or at a point of sale while in the box. Various modes of operation and use scenarios are described. Portions of the devices themselves, or a transmission path between the devices may be shielded against snooping by a material which degrades an EHF signal passing therethrough.
Claims11
A method of data transfer, the method comprising:
- while a host processor of a second device is in a powered-off or low-power state, the second device performs:
- detecting a beacon sent by a first device;
- establishing an extremely high frequency (EHF) contactless link between the second device and the first device in response to detecting the beacon;
- receiving data from the first device via the contactless link;
- storing the data in an exchange storage of the second device, the exchange storage separate from a primary storage of the second device;
- powering up the host processor from the powered-off or low-power state to a powered-on state;
- validating, by the host processor in the powered-on state, the data in the exchange storage;
- and
- transferring the data from the exchange storage to the primary storage after the data is validated.
Dependencies are inferred from the claim text.