ANTENNA DEVICE, ANTENNA SYSTEM, MICROWAVE POWER UTILIZATION SYSTEM, AND POWER UTILIZATION METHOD

摘要

An antenna element (1) outputs a transmission signal as an electromagnetic wave. A circulator (2) outputs the transmission signal to the antenna element (1), and has one terminal from which a signal transmitted from the antenna element (1) is outputted. An amplifier (3) outputs the amplified transmission signal to the circulator (2). A phase shifter (4) imparts a phase to the transmission signal and outputs the transmission signal to the amplifier (3). A plurality of circuit groups each provided with the antenna element (1), the circulator (2), the amplifier (3), and the phase shifter (4) are provided. A rectifier circuit (6) which is connected to one terminal of the circulator (2) and converts alternating-current power to direct-current power is provided in each of the circuit groups. A power collection unit (7) collects the direct-current power obtained by the conversion by each of the rectifier circuits (6).