Abstract: A method of manufacturing a surface emitting laser according to an embodiment of the present disclosure includes the following two steps: (1) a step of forming a semiconductor stacked structure on a substrate, the semiconductor stacked structure including an active layer, a first DBR layer of a first electrical conduction type, and a second DBR layer of a second electrical conduction type, the first DBR layer and the second DBR layer sandwiching the active layer, the second electrical conduction type being different from the first electrical conduction type; and (2) a step of forming a mesa section at a portion on the second DBR layer side in the semiconductor stacked structure and then forming an annular diffusion region of the first electrical conduction type at an outer edge of the mesa section by impurity diffusion from a side surface of the mesa section, the mesa section including the second DBR layer, the mesa section not including the active layer.

Abstract: To provide a grease-sealed bearing that is superior in fretting wear resistance and sealing performance when used under an oscillation condition with acceleration and deceleration such as a condition used in a robot joint. A grease-sealed bearing 1 includes an inner ring 2 and an outer ring 3 that are raceway rings, a plurality of rolling elements 4 interposed between the inner ring 2 and the outer ring 3, and a grease composition 7 sealed around the rolling elements 4. The bearing oscillates such that a bearing rotational direction changes while accelerating and decelerating. The grease composition contains a base oil and a thickener. The worked penetration of the grease composition is 310 or more. The thickener is a calcium sulfonate complex soap.

Abstract: A vacuum pump system includes a first vacuum pump and a second vacuum pump connected to an exhaust port of the first vacuum pump. The second vacuum pump has a pump portion and a trap portion. The pump portion has a rotor. The trap portion is configured such that a reaction product generated from gas guided to an internal space from the exhaust port of the first vacuum pump by suction by the pump portion is accumulated thereon.

Abstract: A vacuum cleaner includes a driving wheel, a cleaning part, a dust-collecting unit, a dust collection amount detection part, and a travel control part. The dust collection amount detection part detects the amount of the dust and dirt accumulated in the dust-collecting unit. The travel control part controls the driving of the driving wheel to make the vacuum cleaner travel autonomously. The travel control part makes the vacuum cleaner travel to a dust station in the case the amount of the dust and dirt detected by the dust collection amount detection part is equal to or more than a specified amount while the cleaning part performs cleaning. The travel control part further makes the vacuum cleaner undock from the dust station to restart the cleaning after the dust and dirt accumulated in the dust-collecting unit is transferred to a dust-collecting container at the dust station. The vacuum cleaning apparatus can adopt a downsized vacuum cleaner while ensuring convenience.

Abstract: A vacuum pump system includes a first vacuum pump and a second vacuum pump connected to an exhaust port of the first vacuum pump. The second vacuum pump has a pump portion and a trap portion. The pump portion has a rotor. The trap portion is configured such that a reaction product generated from gas guided to an internal space from the exhaust port of the first vacuum pump by suction by the pump portion is accumulated thereon.

Abstract: An image acquisition unit configured to acquire an image representing a three-dimensional shape of a surface of a human body, a spinal-column arrangement estimation-unit configured to estimate spinal-column arrangement of the human body using accumulated data, and an angle calculation unit configured to calculate at least one of a Cobb angle and a rotation angle from the estimated spinal-column arrangement are included.

Abstract: A vacuum cleaner that can achieve efficient and accurate autonomous traveling. An obstacle detection part detects an object corresponding to an obstacle outside a main casing. A map generation part generates a map indicating information on an area having been traveled by the main casing, based on detection of the object by the obstacle detection part and a self-position estimated by a self-position estimation part during traveling of the main casing. A controller controls an operation of a driving wheel to make the main casing autonomously travel. The controller includes a traveling mode for controlling the operation of the driving wheel so as to make the main casing autonomously travel along a traveling route set based on the map. The controller determines whether or not to change the traveling route for next time based on the obstacle detected by the obstacle detection part during the traveling mode.

Abstract: A power source-integrated vacuum pump in which a pump main body including a pump rotor and a pump power source configured to supply power to the pump main body are integrated together, comprises: a pump housing configured to house the pump rotor; a power source housing of the pump power source, the power source housing being fixed to the pump housing; a heat transfer member provided at a fixing portion between the pump housing and the power source housing in contact with the pump housing and the power source housing; and a sealing member provided at the fixing portion between the pump housing and the power source housing to seal between the pump housing and the power source housing.

Abstract: A refrigerator (1) is provided with an image capturing camera 18 (image capturing unit) configured to capture an image of an interior of a storage chamber (such as a refrigeration chamber 3); a communication portion (52) (communication unit) configured to transmit image of the interior of the storage chamber captured by the image capturing camera (18) to an exterior device; wherein the image capturing unit is stored in a recess provided in the interior of the storage chamber.

Abstract: A vacuum pump housing a rotor, comprises: a first case including a first flange; and a second case including a second flange, connected to the first case through the first flange and the second flange, and arranged on an exhaust port side with respect to the first case. The first flange and the second flange are fastened to each other with a bolt, and the first flange includes a first recessed portion formed corresponding to an attachment position of the bolt at a surface, and the second flange includes a second recessed portion formed corresponding to the attachment position of the bolt at a surface.

Abstract: A vacuum cleaner includes a main casing, a driving wheel, a camera, a distance calculation part, a self-position estimation part, a mapping part, and a controller. The driving wheel enables the main casing to travel. The camera is disposed on the main casing to capture an image in traveling direction side of the main casing. The distance calculation part calculates a distance to an object positioned in the traveling direction side based on the captured image. The self-position estimation part calculates a position of the main casing based on the captured image. The mapping part generates a map of a traveling place by using three-dimensional data based on calculation results by the distance calculation part and the self-position estimation part. The controller controls an operation of the driving wheel based on the three-dimensional data of the map generated by the mapping part, to make the main casing travel autonomously.

Abstract: A vacuum cleaner capable of recording an abnormality immediately upon occurrence of the abnormality. The vacuum cleaner has a main casing. The vacuum cleaner has driving wheels for enabling the main casing to travel. The vacuum cleaner has a control unit for controlling drive of the driving wheels to make the main casing autonomously travel. The control unit has a function as an abnormality sensor for detecting an abnormality. The vacuum cleaner has a camera for picking up an image. The control unit has a cleaning mode for cleaning a cleaning-object surface, an image pickup mode for performing image pickup with the camera, and a standby mode applied during a standby state. Upon detection of an abnormality during the cleaning mode, the control unit is switched over to the image pickup mode to perform image pickup with the camera.

Abstract: A refrigerator (1) is provided with an image capturing camera 18 (image capturing unit) configured to capture an image of an interior of a storage chamber (such as a refrigeration chamber 3); and a communication portion (52) (communication unit) configured to transmit image of the interior of the storage chamber captured by the image capturing camera (18) to an external device.

Abstract: A vacuum cleaner includes a main casing, driving wheels, a cleaning unit, a memory, a sensor part and a communication part, a discriminating part, and a travel control part. The memory stores map data. The sensor part and the communication part acquire the information on a plurality of cleaning areas from an outside. The discriminating part discriminates the plurality of cleaning areas from the map data stored in the memory, on the basis of the information acquired by the sensor part and the communication part. The travel control part controls the driving of the driving wheels to make the main casing autonomously travel in each of the cleaning areas discriminated by the discriminating part. The vacuum can perform smart cleaning operation appealing to a user.

Abstract: A vacuum cleaner having improved obstacle detection precision. The vacuum cleaner includes a main casing, driving wheels, control unit, cameras, an image generation part, and a discrimination part. The driving wheels enable the main casing to travel. The control unit controls drive of the driving wheels to make the main casing autonomously travel. The cameras are disposed apart from each other in the main casing to pick up images on a traveling-direction side of the main casing. The image generation part generates a distance image of an object positioned on the traveling-direction side based on the images picked up by the cameras. The discrimination part discriminates whether or not the picked-up object is an obstacle based on the distance image generated by the image generation part.

Abstract: In one embodiment, an image capturing system is configured so that a device for capturing images is communicable with an external device through a communication unit. The image capturing system is provided with an operating unit configured to make settings pertaining to image capturing, an image capturing device serving as the device for capturing images and being configured to produce image data by periodically capturing images based on the settings made to the operating unit and a display unit configured to produce a display output based on the image data.

Abstract: A smaller-sized vacuum cleaner capable of controlling traveling with high precision. A vacuum cleaner includes a main casing capable of traveling, a traveling/sensor type CPU configured to control traveling of the main casing, a plurality of cameras mounted on the main casing, and an image processor having the functions of an image input, image processor, self-position estimator, and map generator. The image processor acquires image data from at least two cameras out of the plurality of cameras. The image processor performs image processing to the acquired image data. The image processor estimates a self-position on the basis of the image data subjected to the image processing. The image processor generates a map of a traveling area where the main casing travels, on the basis of the image data subjected to the image processing.

Abstract: A refrigerator includes a storage compartment, a door opening and closing a front opening of the storage compartment, a terminal mounting part located on a front of the door so that a portable information terminal is detachably mounted thereon, and a terminal power supply part supplying power to the portable information terminal when the portable information terminal is mounted on the terminal mounting part.

Abstract: A turbo-molecular pump comprises: a shaft to be rotatably driven by a motor; a pump rotor; multiple bolts penetrating the pump rotor from a pump suction port side to fasten the pump rotor to a pump suction port side end portion of the shaft; and a seal member configured to seal a clearance between fastening surfaces of the pump rotor and the shaft or a clearance between each bolt and the pump rotor.

Abstract: An autonomous electrical cleaning apparatus including: an electric blower that generates suction negative pressure on a suction port; a rotating brush disposed at the suction port; a rotating brush driver that drives the rotating brush; a drive wheel that supports a cleaner body, driven by a drive wheel driver, a cleaning-target-surface detector that detects the surface type to be cleaned; and a robot controller that adjusts a controlled variable for any of the suction negative pressure, speed of the rotating brush, rotation direction of the rotating brush, and speed of the drive wheel, based on the surface type to be cleaned. The cleaning-target-surface detector detects the surface type be cleaned at a detection position ahead of the element for which the controlled variable is to be adjusted, and the robot controller adjusts the controlled variable when the element for which the controlled variable is to be changed reaches the detection position.