1
Martin Rofheart, John W McCorkle: Method and system for enabling device functions based on distance information. Freescale Semiconductor, Posz Law Group, June 6, 2006: US07058414 (96 worldwide citation)

A method, device and computer readable medium for enabling and blocking communications with a remote device based on a distance of the remote device. The method on which the device and computer readable medium are based includes transmitting a message from a local device to a remote device via an ul ...


2
Martin Rofheart, John W McCorkle: Method and system for enabling device functions based on distance information. Freescale Semiconductor, August 11, 2009: US07574219 (16 worldwide citation)

A method, device and computer readable medium for enabling and blocking communications with a remote device based on a distance of the remote device. The method on which the device and computer readable medium are based includes transmitting a message from a local device to a remote device via an ul ...


3
Martin Rofheart, John W McCorkle: Method and system for enabling device functions based on distance information. Posz Law Group, December 1, 2005: US20050265503-A1

A method, device and computer readable medium for enabling and blocking communications with a remote device based on a distance of the remote device. The method on which the device and computer readable medium are based includes transmitting a message from a local device to a remote device via an ul ...


4
Rofheart Martin, Mccorkle John W: Method and system for enabling device functions based on distance information. Xtremespectrum, LYTLE Bradley D, December 6, 2001: WO/2001/093434

A method, device and computer readable medium for enabling and blocking communications with a remote device based on a distance of the remote device. The method on which the device and computer readable medium are based includes transmitting a message from a local device to a remote device via an ul ...



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