Mobile telephone has device for attachment to user's body enabling telephone/part of it to be removed from attachment device, detection of release or re-establishment of attachment for state control

摘要

The attachment device has an attachment device for attaching the mobile telephone (504) to the user's body or clothing or to a wrist strap (500), etc. The mobile telephone or part of the telephone can be removed from the attachment device and releasing or re-establishing the attachment can be detected by the device and used to control device states.