Hitachi, Ltd.

Yoshihiro Wakisaka

Norio Ohkubo

Nobuyuki Sugii

Tetsuya Ishimaru

Nobuo Sato

Hiroyuki Yoshimoto

Toshiyuki Odaka

Norihiko Moriwaki

Shunzo Yamashita

Noriyuki Haga

Kazuo Yano

Satomi Tsuji

Keiro Muro

Youichi Horii

Koji Ara

Miki Hayakawa

Minoru Ogushi

Takehiro Urano

A work detection determination system performs detection determination on a work with high accuracy. The work detection determination system includes a glove that is worn on a hand of a worker and includes a microphone detecting a work sound of a hand operation in which the hand works on a work target through a contact of the hand with the work target, a pressure sensor detecting a pressure of a work of the hand operation, a motion sensor detecting a motion of the hand operation, and a transmitting unit transmitting a sound signal of the microphone, a pressure signal of the pressure sensor, and a motion signal of the motion sensor; a receiving unit that receives the sound signal, the pressure signal, and the motion signal transmitted from the transmitting unit; a work determination unit that performs detection determination of a work content of the worker by using the sound signal, the pressure signal, and the motion signal; and a notification unit that notifies a determination result of the work determination unit.

Work content detection determination device, work content detection determination system, and wearable sensor embedded glove

An operation motion is accurately determined in an operational information management system. The system includes a motion verification portion that combines and verifies plurality of pieces of sensor information and recognizes a specific body motion, a signal determination portion that determines whether an operation content of an operator is correctly performed based on the body motion recognized by the motion verification portion, and a report portion that reports a determine result of the signal determination portion.

Operational information management system and wearable sensor

A sensor data correction system, includes: a standard motion mechanism unit for performing a standard motion of a wearable sensor; a determination unit calculating a relationship between first sensor data that is sensed by a first wearable sensor provided with the standard motion mechanism unit and second sensor data that is sensed by a second wearable sensor provided with the standard motion mechanism unit; and a correction unit correcting the first sensor data or the second sensor data, on the basis of the relationship that is calculated by the determination unit.

Sensor data correction system

According to an embodiment of the preset invention, in a sensor terminal that is worn by a person, and detects that respective wearers face each other by the aid of an optical communication, a plurality of optical transmit/receive units each having at least one of a transmission unit that emits the light to transmit data, and a reception unit that receives the light to receive the data is arranged within the housing, and the plurality of optical transmit/receive units is arranged so that light emission axes of the transmission units, or extension lines of light detection axes of the reception units approaches each other.

Sensor terminal

It is provided a communication support device, which analyzes communications among a plurality of persons who belong to an organization, comprising a recording module for storing data that indicates the communications among the plurality of persons, a network constructing module for constructing a network structure of the plurality of persons from the data that indicates the communications, a improvement candidate determining module for identifying a first person whose communication is to be improved from the data that indicates the communications, and a connection candidate determining module for identifying a second person and a third person who can help increase triangle structures around the identified first person in the network structure, based on the network structure. The communication support device outputs display data for prompting the second person and the third person to communicate with each other.

Communication support device, communication support system, and communication support method

An analysis sever capable of performing analysis among a large amount of sensor data in order to obtain an analysis result that a reader desires and outputting the result instantaneously. The analysis server rearranges the sensor data acquired from a sensor node into time series data. The analysis is performed separately for time trigger analysis (D) and for event trigger analysis (F) depending on analysis contents. In the time trigger analysis (D), analysis processing that is basically needed when visualizing a state of an organization is performed. In the event trigger analysis (F), an analysis result obtained by the time trigger analysis (D) is processed using the reader's desired information and is outputted.

Analysis system and analysis server

A sensor-Net system includes sensor nodes which are in intermittent operation so as to save power by repeating activated state and inactivated state at a regular interval. Synchronization of time in the system is executed by aligning to the intermittent operation of the sensor nodes. A management server issues a setTime command for configuring the time to each gateway node at a specified interval. Each router node sets or corrects the time of it based on the time received from the gateway node and thereafter turns ON the time configuration flag for each sensor node in order to expand the setTime command to all of its sibling sensor nodes. The router node, upon reception of a polling, which is a command request, from the sensor node, obtains the time at that time, then uses the time to generate a setTime command to transmit to that sensor node.

Sensor-Net system and sensor node

By individuals in an organization possessing a portable node and acquiring sound information, an electronic device and a system that analyze human behavior, group formation, and an activity level of the organization and a system is provided. In an electronic device that has a radio communication unit and a microcomputer, sound is converted into an electrical signal by a microphone, and sound waveform information and characteristic information of sound are obtained using an amplifier, a filter, and an envelope generating circuit. An envelope signal being characteristic information of sound is compared with a reference value by a comparator. Characteristic information of sound when the signal does not reach the reference value, and sound waveform information when greater than the reference value are transmitted from the radio communication unit. The server learns human behavior, group formation; and an activity level of an organization by receiving and analyzing these pieces of information.

Electronic device and a system using the same

A network system including: a first sensor device which includes a first sensor unit which detects an action of a detection object; and a first transmission unit which transmits first data regarding the action and first identification information to a server via a first base station: a second sensor device which includes; a second sensor unit which obtains sensing data; and a second transmission unit which transmits second data including the sensing data and second identification information to the server via a second base station; wherein the server is configured to: associate the first and second data based on the detection of the action; to access predetermined normal data correlating data; and, detect an abnormal condition if a combination of the action detected via the first sensor unit and the sensing data obtained by the second sensor unit conflict with the correlated normal data.

Sensor drive control method and sensor-equipped radio terminal device

Face-to-face detection by infrared-ray communication is effective in grasping interaction between persons. However the problem here is that infrared rays have a high directivity and detection fails unless the persons face each other right in front. Sensor signals having a high directivity and sensor signals having a low directivity are obtained from a sensor terminal (TR) carried by a person. Firstly, information on relative position is obtained with a sensor (TRIR) of infrared rays or the like having a high directivity and an initial group is formed at an application server (AS). A feature amount such as sound that has a low directivity and can sense surrounding environmental information is extracted from among the terminals (TRs) belonging to the initial group by personal feature extraction (ASIF), correlation with terminals (TRs) not belonging to a group is obtained, and thereby whether or not those terminals (TRs) belong to an identical group is judged.

Group analysis system and group analysis equipment

A sensor device wherein when a first sensor detects a detection object, the first sensor changes its output voltage level, and when the processor unit detects the change of the output voltage level of the first sensor as an interrupt signal, the drive voltage level of the first sensor is switched from the first signal level to the second signal level which is different from the first signal level and the drive voltage level of the second sensor is switched from the second signal level to the first signal level which is different from the second signal level.

A radio terminal device realizing reduced power consumption and prompt detection of detection object by using a first sensor and a second sensor whose ON/OFF states are opposite and whose operations are synchronized. When the first sensor detects a detection object, the first output voltage level is changed. When a processor detects the change of the output voltage level as an interrupt signal, the drive voltage level of the first sensor is switched to low and the drive voltage level of the second sensor is switched to high. Moreover, when the second sensor detects a detection object, the output voltage level of the second sensor is changed. When the processor detects the change of the output voltage level as an interrupt signal, the drive voltage level of the second sensor is switched to low and the drive voltage level of the first circuit is switched to high.

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Kokubunji, Japan

Yoshihiro Wakisaka