US Patent 10522943 Magnetically securing detachable electronic cable assembly and method

A versatile device for quickly and conveniently linking electronic apparatuses includes a pair of cooperating bodies with mating interfaces, and magnetically coupling elements having an adjustable degree of attraction and retention. Angularly keyed, selective geometrical interfaces between the bodies facilitate and assure correct relative orientation and mating. A light indicator attests to proper electrical connection between the bodies.