Patent number: 6798716

System and method for wireless electrical power transmission

Original Assignee: BC Systems, Inc

Field of technology: Electronics

Patent granted on: Tue, 28 Sep 2004

Patent drawing

Abstract

A power transmission system using directional ultrasound for power transmission includes a transmitting device and a receiving device. The transmitting device has a set of ultrasound transducers forming an ultrasound transducer array, wherein the array is a set of spaced individual transducers placed in the X-Y plane disposed to generate an ultrasound beam in the Z direction.