Yokogawa Electric Corporation

Sony Semiconductor Solutions Corporation

Kazutoshi Kodama

Hirotsugu Gotou

Hiroaki Kanokogi

Kazunori Miyazawa

Go Takami

Hiroki Yoshino

Imaging capable of obtaining information regarding an object regardless of a motion state of the object is disclosed. In one example, a solid-state imaging element includes photoelectric conversion elements that perform photoelectric conversion to generate a photoelectric conversion signal; and a generation unit that generates a first signal in a case where an amount of change of a photoelectric conversion signal output from a single one of the photoelectric conversion elements exceeds a predetermined value, and generates a second signal in a case where a difference value between photoelectric conversion signals output from two of the photoelectric conversion elements exceeds a predetermined value.

Solid-state imaging element, electronic device, and imaging method

There is no possibility of causing a useless event. An imaging device includes: a photoelectric conversion unit including a plurality of photoelectric conversion elements that performs photoelectric conversion to generate an electrical signal; a setting unit that sets a threshold value according to a noise level of a predetermined area of the plurality of photoelectric conversion elements; and a first detection unit that detects a detection signal in a case where a change amount of the electrical signal generated by the plurality of photoelectric conversion elements exceeds the threshold value.

Imaging device and imaging method

There is no risk of generating unnecessary events. This imaging device comprises: a photoelectric conversion unit that has a plurality of photoelectric conversion elements for performing photoelectric conversion to generate an electric signal; a setting unit that sets a threshold value according to a noise level in a predetermined region among the plurality of photoelectric conversion elements; and a first detection unit that detects a detection signal in a case where the amount of change in the electric signal generated by the plurality of photoelectric conversion elements exceeds the threshold value.

The present disclosure provides an imaging device capable of outputting a signal other than an event detection signal, such as a pixel signal at a gradation level. The imaging device has a stacked chip structure formed by stacking at least two semiconductor chips including a first-layer semiconductor chip and a second-layer semiconductor chip. The first-layer semiconductor chip has a pixel array unit in which an event pixel that outputs an event detection signal, and a distance measurement pixel are mixed. The second-layer semiconductor chip is provided with an analog front-end unit for an event pixel that processes the event detection signal and with an analog front-end unit for a distance measurement pixel that processes the signal from the light-receiving element, corresponding to each of the event pixel and the distance measurement pixel.

Dynamic vision sensor imaging device

An imaging device capable of reducing a useless region on a substrate is provided. An imaging device including a plurality of substrates to be stacked includes a readout-only circuit disposed on a substrate different from a substrate having a pixel array unit including a plurality of photoelectric conversion elements disposed thereon, and performing an operation of reading out electrical signals obtained through photoelectric conversion in the plurality of photoelectric conversion elements, and a circuit disposed on a substrate different from the substrate having the readout-only circuit disposed thereon and performing an operation other than an operation of the readout-only circuit on the basis of the electrical signals.

To improve the frame rate in an imaging apparatus that carries out still image recording and moving image display simultaneously. A pixel array includes an arrangement of a plurality of pixels. The plurality of pixels each include an internal memory. An exposure control unit carries out first exposure control in which captured data obtained by performing exposure to all the plurality of pixels together is retained in the internal memories of the pixels. The exposure control unit also carries out second exposure control in which captured data obtained by performing exposure to specific pixels of the plurality of pixels together is retained in the internal memories of the pixels.

Imaging apparatus and control method therefor

To easily perform examination of at least one facility based on detection signals of a plurality of sensors installed in the facility. Provided are an examining apparatus, an examining method and a recording medium, including: a group designation acquiring unit to acquire designation of a targeted group including a plurality of targeted sensors to be analyzed among a plurality of sensors installed in at least one facility; a sensor data acquiring unit to acquire sensor data from each targeted sensor included in the targeted group; a learning unit to learn an analysis model by using the sensor data from each targeted sensor included in the targeted group; and an examining unit to examine the facility by using the learned analysis model.

Examining apparatus, examining method and recording medium

In a detection apparatus that detects an anomaly of equipment, in a case where a plurality of types of anomalies occur, it is desired to detect which type of anomaly has occurred. Provided is a detection apparatus that includes a sensor data obtaining unit configured to obtain sensor data of a sensor installed in equipment, a model storage unit configured to store detection models that are individually trained for each anomaly using the sensor data in an anomaly period in which the anomaly has occurred, for a plurality of types of respective anomalies of the equipment, and a detection unit configured to detect presence or absence of the plurality of types of respective anomalies from the sensor data that has been newly obtained, by using the detection models corresponding to the plurality of types of respective anomalies.

Detection apparatus, detection method, and recording medium that records detection program

A device maintenance apparatus, includes: a communication control part configured to control a communication with a device; a device information acquisition part configured to acquire device information of the device via the communication; a storage configured to store maintenance process information, the maintenance process information including device specifying information for specifying a maintenance target device and process specifying information for specifying details of a maintenance process; and an information processing part configured to compare the acquired device information to the stored maintenance process information, and to execute a maintenance process on the device based on the result of the comparison.

Device maintenance apparatus, device maintenance system, device maintenance method, device maintenance program, and storage medium

A device system includes a terminal device which is usable by a plant worker, and an information processor which is connectable to the terminal device through a network. The terminal device includes a collector configured to collect a detection result from a sensor which detects a state around a device installed in a plant, and a communicator configured to transmit the detection result collected by the collector to the information processor. The information processor includes a storage which stores teacher data in which past detection results obtained by the sensor and data representing whether or not an abnormality exists in the device are associated with each other, and an analyzer configured to determine whether or not an abnormality exists in the device based on the detection result transmitted from the communicator and the teacher data stored in the storage.

Device system, information processor, terminal device, and abnormality determining method

An information setting method for a setting device includes the following processes. A first certificate and identification information are obtained from a wireless device to be caused to join a wireless network managed by a management device. The first certificate certifies that the wireless device is a formal wireless device and includes a first public key. The identification information is information that identifies the wireless device. A second certificate is obtained from the management device. The second certificate certifies that the management device is a formal management device and includes a second public key. Apparatus information required for the wireless device to join the wireless network is encoded using the first public key and is output to the wireless device. Management information including the apparatus information and the identification information associated with the apparatus information is encoded using the second public key and is output to the management device.

Information setting method and wireless communication system

A wireless communication system according to one aspect of the present invention includes a provisioning device, a gateway, and a management device. The provisioning device sets to a wireless device, provisioning information required for the wireless device to join a wireless communication network. The gateway determines, using the provisioning information set by the provisioning device, whether or not to allow the wireless device to join the wireless communication network. The management device manages join history information including the provisioning information set by the provisioning device and join information associated with the provisioning information, the join information indicating a result of the determination by the gateway, and provides the join history information to the provisioning device in response to a request from the setting device.

Wireless communication system and information providing method

A wireless communication system for communicating via a wireless communication network, may include: a setting device configured to create a first information needed for joining a wireless device into the wireless communication network and set the first information in the wireless device to be joined into the wireless communication network, the setting device being configured to create setting information that correlates the first information with a second information containing at least one of information indicating a method of setting the first information and information indicating an operator who performed an operation of setting the first information; and a management device configured to select the wireless device, which is to be joined into the wireless communication network, by using the setting information that has been created by the setting device.

Wireless communication system

There is provided a provisioning device which provides, in advance, setting information necessary for joining in a wireless network to a first field device which is to newly join the wireless network to exchange data with an existing field device that is installed in a plant. The provisioning device includes: a storage unit that stores a white list which contains unique information of the first field device and the setting information such that the unique information and the setting information are correlated with each other; a device information acquiring unit that acquires the unique information from the first field device by wireless communication; an extracting unit that extracts, from the white list, the setting information that is correlated with the acquired unique information; and a setting unit that sends the extracted setting information to the first field device by wireless communication.

Provisioning device for performing provisioning of a field device

A field instrument management apparatus, which manages a field instrument by communicating with the field instrument via a field bus, transfers a request for an instrument address to the field instrument, and provides the instrument address to an outside when the instrument address is acquired from the field instrument.

Growing community of inventors

Tokyo, Japan

Kazutoshi Kodama