US Patent 11473763 Electronic device for use with deterrent device

An electronic device includes a housing, a finger engagement surface formed in part by first and second contact members associated with the housing, and a control system. The first contact member, the second contact member, and the finger engagement surface are configured so that a finger received by the finger engagement surface can be urged against one or more parts of the finger engagement surface to move the first contact member and/or the second contact member.