Various devices such as computer and peripheral device contribute to our lives. Because there is a wide variety of devices, the types of device connector standard are increasing. A converter for converting the electrical signal of the pin in a connector is required for communication with different connector standard. However, there is a problem that the number of converters for interconnection continues

This work describes the way of sensing bacteria, Legionella by photogate‐type fluorescence sensor. Photoirradiation time dependences of L. dumoffii with the UV‐photointensity as a parameter was obtained by the optical sensor. The photocurrents obtained by the sensor decreased depending on the irradiation time, showing the decay process of fluorescent material in Legionella cells. Initial decay rates

In this paper, received power levels in 420 M/920 M/2.4G/5.3 GHz bands for sensor networks and WLANs are obtained by ray‐trace analysis in an office environment and the detail properties of propagation paths are analyzed. As a result, 25% average power of the total power arrives through ceiling spaces in the rooms where electromagnetic waves are hard to arrive through the walls. This means that the

A sweat lactic acid (LA) monitoring system embedded on an armband for evaluation of exercise intensity was fabricated and real‐time LA monitoring of a free‐moving subject was conducted for the first time. The LA monitoring system utilizes an electrochemical biosensor, which uses redox reaction of lactate oxidase immobilized on a screen‐printed carbon graphite electrode. The volunteer wearing the system

There is a need for methods to recognize night pedestrian to reduce pedestrian traffic accidents at night. In this paper, we proposed the method that converts images using continuous nighttime images from in‐vehicle camera. The proposed method performs feature extraction that does not depend on one's own vehicle speed because inputting continuous nighttime images, and the function of convolution layer

In the world today, we can always shoot digital videos with smartphones and share them with family or friends after editing them. It is necessary to check whether these videos have been tampered with to use them as forensic evidence in criminal investigations. This paper proposes a method for detecting tampered regions in a video where a specific subject is removed from a scene. In the proposed method

This paper addresses the assay of collagenase activity using Light Addressable Amperometric Sensor (LAAS). The redox current of LAAS was reduced by deposited collagen layers and recovered by collagenase solution. The collagen layers on the LAAS is considered to be broken down by collagenase. We expect an application of LAAS to activity evaluation.

The plasmonic chip, which has wavelength‐size grating pattern coated with a thin silver or gold film, is applied to a sensitive biosensor because it can provide the enhanced fluorescence excited by the surface plasmon field. We have already reported on the sensitive immunodetection with the plasmonic sensor chip under the illumination system from top panel of a plasmonic chip. In this study, the structure

In recent years, application of multiple robot system for a large scale system, such as a smart factory, is expected. A system consisting of heterogeneous robots can select the function by switching a combination of the robots according to a purpose. Therefore, the system is more versatile than a single robot on which multiple functions are installed. When the system is controlled by distributed management

Recently, micro‐TAS (Micro Total Analysis Systems) that performs genetic testing on devices containing microfluidics has been actively studied. In micro‐TAS, a micromixer and a microreactor provided on a microfluidic device are driven by feeding reagents with micropumps. Various micropumps were developed and studied: for example, displacement pumps, electro‐osmotic pumps, chemically actuated micropumps

We demonstrated the on‐chip synthesis of Au nanoparticles achieved by a microwave‐induced reaction in a microfluidic channel. The chip structure consists of a waveguide and a microchannel through the inside of the waveguide. A postwall waveguide, in which metallic posts are continuously arranged on the side wall, is utilized to confine microwave fields. This configuration allows a solution to be inserted

In this paper, we report on the development of a microfluidic device, which extracts plasma from low‐volume whole blood (10 μL), and is aimed at integration with microfluidic system for micro analytical systems. The device autonomously separates blood cells and transfers the separated plasma by steady rotation. Based on the original autonomous fluidic control theory, we developed the principle of automatic