National Institute of Information and Communications Technology, Incorporated

Git Japan, Inc.

Ryu Miura

Takashi Matsuda

Hisashi Nishikawa

Bing Zhang

Huan-Bang Li

Toshinori Kagawa

Atsushi Osada

To provide a power supply system to a two-dimensional communication sheet that can prevent generation of leakage power without lowering a power efficiency, there are included a two-dimensional communication sheetthat has an dielectric layer, a first conductor layercovering a rear surface of the dielectric layer, and a second conductor layercovering a front surface of the dielectric layerand composed of a mesh-shaped wiring pattern; and a power supply portfor supplying power to the two-dimensional communication sheet, the power supply porthaving a first power supply plateprovided separately at a rear side of the first conductor layer, a second power supply plateprovided at a position opposite to the first power supply plateseparately at a front side of the second conductor layer, a first power supply bodyelectrically connected with the first power supply plate, and a second power supply bodyelectrically connected with the second power supply plate

System for supplying electric power to two-dimensional communication sheet, and feeding port

A radio receiver, configured to use an impulse UWB, includes: a reception antenna which receives the impulse UWB, a reception unit which amplifies the received impulse UWB and detects an envelope of the impulse UWB, maximum-peak and minimum-peak detection units which detect a maximum value and minimum value of the envelope, respectively, a comparator which acquires signal data from the envelope with an initial threshold value, a baseband unit which measures an error rate of the signal data, an MPU which calculates a correction value based on the error rate, and an arithmetic unit which calculates a corrected threshold value based on the maximum, minimum and correction values. The arithmetic unit transmits the corrected threshold value to the comparator. The comparator acquires the signal data from the envelope based on the corrected threshold value transmitted from the arithmetic unit.

Radio receiver

Growing community of inventors

Tokyo, Japan

Ryu Miura