One time operating state detecting method and apparatus
First Claim
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1. A one-time operating state detection device comprising:
- a pair of contacts;
a member electrically coupling said pair of contacts, said member adapted to be only once removable from said contacts; and
a detector, wherein said detector detects a change in the coupling between said pair of contacts when said member is removed.
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Abstract
A method and apparatus for detecting a change in an electrical property between contacts. A one-time operating state detection device includes a member coupling a pair of contacts and a detector for detecting a change in the coupling between the pair of contacts when the member is removed.
18 Citations
33 Claims
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1. A one-time operating state detection device comprising:
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a pair of contacts;
a member electrically coupling said pair of contacts, said member adapted to be only once removable from said contacts; and
a detector, wherein said detector detects a change in the coupling between said pair of contacts when said member is removed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method of detecting a change in operating state, comprising:
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electrically coupling a pair of contacts using a member, said member adapted to be only once removable from said pair of contacts; and
detecting a change in the coupling between said pair of contacts when said member is removed. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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Specification