Rotation responsive disk activation and deactivation mechanisms
First Claim
Patent Images
1. A data storage device comprising:
- a substrate configured for rotating access;
a data storage medium capable of storing machine-readable data carried by said substrate; and
a rotation activatable switch configured to undergo a change in state in response to rotation to render unusable at least a portion of machine-readable data stored on said substrate.
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Accused Products
Abstract
Embodiments of methods and systems for controlling access to information stored on memory or data storage devices are disclosed. In various embodiments, fluid-mediated modification of information or access to information is utilized. According to various embodiments, data storage devices designed for rotating access are described which include rotation-activated fluid control mechanisms.
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Citations
48 Claims
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1. A data storage device comprising:
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a substrate configured for rotating access;
a data storage medium capable of storing machine-readable data carried by said substrate; and
a rotation activatable switch configured to undergo a change in state in response to rotation to render unusable at least a portion of machine-readable data stored on said substrate. - View Dependent Claims (2, 8, 10, 11, 12, 44, 45)
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13. A data storage device comprising:
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a substrate;
a data storage medium on said substrate, said data storage medium degradable upon exposure to a degradation-inducing influence; and
a rotation activatable switching mechanism for controlling exposure of said data storage medium to said degradation-inducing influence. - View Dependent Claims (14, 15, 19, 20, 46)
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29. A method of controlling use of a disk, comprising:
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reading data from the disk; and
rotating said disk to activate a rotation activatable mechanical switch on said disk. - View Dependent Claims (30, 31, 32, 33, 34, 35, 38, 41, 47, 48)
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Specification