Companion determining device, companion determining system, companion determining method and computer-readable medium
AssigneeCasio Computer Co., Ltd.
InventorAkihiko Nagasaka
Life of this patent
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Abstract
A companion determining device determines presence of a companion of a tracked user. The device includes a receiver, a receipt determiner and a presence determiner. The receiver receives a user identifier from an external device via a near-field wireless communication link. The receipt determiner determines whether the receiver has received the user identifier sent from the external device. The presence determiner determines presence of a companion acting with the tracked user based on determination by the receipt determiner.
Claims18
A companion determining device that determines presence of a companion of a tracked user, the device comprising:
- a receiver which receives a user identifier from an external device via a near-field wireless communication link;
- a receipt determiner which determines whether the receiver has received the user identifier sent from the external device;
- and
- a presence determiner which determines presence of a companion acting with the tracked user based on determination by the receipt determiner.
A method for determining presence of a companion of a tracked user in a companion determining device, the method comprising:
- a receipt step of receiving a user identifier sent from an external device via a near-field wireless communication link;
- a receipt determination step of determining whether the user identifier sent from the external device is received in the receipt step;
- and
- a presence determination step of determining presence of a companion acting with the tracked user based on determination in the receipt determining step.
A computer-readable medium which stores a program that causes a computer in a companion determining device that determines presence of a companion of a tracked user to function as:
- a receiver which receives a user identifier sent from an external device via a near-field wireless communication link;
- a receipt determiner which determines whether the receiver has received the user identifier sent from the external device;
- and
- a presence determiner which determines presence of a companion acting with the tracked user based on determination by the receipt determiner.
Dependencies are inferred from the claim text.