Patent ID: 9087197
Filing Date: 2015-07-21
Classification: G06F

Abstract:
1. A method comprising: coupling a portable desktop device comprising portable desktop data stored therein to a host computer; enabling access to the portable desktop data, wherein a user authentication operation is performed prior to supporting the portable desktop application; executing on the host computer system a portable desktop application received from the portable desktop device; at intervals known to the portable desktop device, transmitting from the host computer system to the portable desktop device a beat signal indicating a presence and operability of the host computer; and, when the portable desktop device other than receives the beat signal at the known intervals, disabling access to the portable desktop data and preventing access thereto absent a further user authentication operation; wherein a content of the beat signal transmitted from the host computer system to the portable desktop device varies in a fashion known to the portable desktop device; and wherein the beat signal beats at intervals of between 1 and 30 milliseconds, such that timing of the beat signal is less than an amount of time required to disconnect and reconnect the portable desktop device.