Patent ID: 9697657
Date: 2017-07-04
CPC Classifications: A45F,G06K,G07C,G08B

Claim:
1. An apparatus to effect access control comprising: a processor component; a storage accessible to the processor component to store an access credential, the storage susceptible to exposure to a magnetic field to nullify the access credential by at least partial erasure of the access credential within the storage; a presentation component to retrieve the access credential from the storage and to send the access credential to an access device to enable a grant of access to a secured item; and a clasp coupled to a wearable portion to prevent removal of the wearable portion unless the clasp is operated to change state from a clasped state to an unclasped state, the clasp to move a magnet toward the storage to increase exposure of the storage to a magnetic field of the magnet in the unclasped state and to move the magnet away from the storage to decrease exposure to the magnetic field of the magnet in the clasped state.