Information processing device, application software start-up system, and application software start-up method

What is this patent about?

’228 is related to the field of biometric authentication and access control for portable information processing devices. Specifically, it addresses the security vulnerabilities of traditional static biometrics, such as fingerprints, which can be bypassed if a user is coerced or unconscious. The invention seeks to enhance security by incorporating real-time physiological monitoring to ensure that device access and application usage align with the user’s actual physical and mental state.

The underlying idea behind ’228 is the implementation of a multi-layered permission system that distinguishes between identity verification and state verification. While static biometrics confirm who the user is, dynamic biometric data—such as heart rate, blood pressure, and body temperature—are used to determine the user's current condition, such as being asleep, stressed, or in a normal state. By mapping these states to specific application permission levels, the system can automatically restrict sensitive functions, like financial transactions, if the user is under duress or otherwise compromised.

The claims of ’228 focus on a distributed architecture involving two separate devices that coordinate to maintain a secure operating environment. A first device, typically a wearable, is responsible for the continuous acquisition of dynamic biometric information and remains in an unlocked state only as long as it can successfully maintain contact with the user’s body. A second device performs the initial identity authentication using static sensors and subsequently receives the dynamic data from the first device to control the display of information and application availability based on the determined user state.

In practice, the system functions by first unlocking basic features via a fingerprint or iris scan, then progressively enabling more sensitive applications as the wearable sensor confirms a stable, normal physiological state. If the sensors detect a stress state—indicated by elevated heart rate or blood pressure—the system may trigger a caution screen or block high-risk apps entirely. Conversely, if the dynamic data suggests the user is in a sleep state, the system can immediately re-lock the devices to prevent unauthorized access by third parties while the owner is incapacitated.

This approach differentiates itself from prior art by moving beyond binary 'lock/unlock' mechanisms and instead employing a state-dependent access model. Unlike systems that simply check for a pulse to verify a 'live' user, this invention uses a baseline of learned physiological data to detect subtle changes in intent or environment. By requiring a continuous stream of dynamic data to maintain the unlocked state, the invention effectively prevents 'relay' attacks or unauthorized use that occurs after an initial successful authentication.