Abstract: A gas purification apparatus includes: an impurity removal unit for removing impurities in a feed gas; a purification vessel accommodating the impurity removal unit; and a heating unit which is provided inside the purification vessel in a state of non-contact with the impurity removal unit, and heats the purification vessel from the inside, the heating unit being detachably mounted in the purification vessel.

Abstract: A connector panel includes: a disc-shaped panel base that has a first screw portion on an outer circumferential surface of the panel base; an attachment that has a first cylindrical portion and a flange, the attachment having a second screw portion at a first-end portion of an inner circumferential surface of the first cylindrical portion; and an intermediate support whose inner circumferential surface has a third screw portion to which the first screw portion of the panel base is to be screwed, and whose outer circumferential surface has a fourth screw portion to which the second screw portion of the attachment is to be screwed, the intermediate support having a second cylindrical portion that is to be disposed coaxially with the first cylindrical portion of the attachment.

Abstract: A door device includes a door slidable between a first position and a second position; an air cylinder having a first air chamber to which air is supplied to apply a first assist force to the door in a first direction from the first position toward the second position; a fluid passage connecting the first air chamber and an air supply source; a switch valve provided at the fluid passage; and a manipulation switch to switch the switch valve between a first state and a second state. The door, in the first state, is movable in the first direction and a second direction opposite to the first direction without the first assist force. The first assist force is applied to the door in the second state. The door at the first position closes an opening a machine tool. The door at the second position fully opens the opening.

Abstract: The method for reducing or removing non-volatile impurities in a high-purity oxygen liquid comprises: an oxygen vaporization step for vaporizing a high-purity oxygen liquid obtained from a high-purity oxygen rectification column in an air separation unit for producing the high-purity oxygen liquid; and an oxygen recondensing step for recondensing oxygen gas vaporized in the oxygen vaporization step. This method may also comprise a high-purity oxygen liquid extraction step for extracting a condensate obtained in the oxygen recondensing step.

Abstract: A noise filter includes: a ground-side power supply line detecting circuit that is connected to each of a power supply line and a power supply line and detects a power supply line connected to an electrode from among the power supply line and the power supply line; and a control circuit that determines whether the power supply line connected to the electrode is the power supply line or the power supply line on the basis of a detection result by the ground-side power supply line detecting circuit, controls a relay to short-circuit between a Y capacitor and an electrical device ground when determining that the power supply line connected to the electrode is the power supply line, and controls a relay to short-circuit between a Y capacitor and the electrical device ground when determining that the power supply line connected to the electrode is the power supply line.

Abstract: Certain embodiments of the present invention lies in providing a high-purity oxygen production system which is capable of supplying liquid nitrogen in order to supply the cold required by a high-purity oxygen production apparatus, without the use of a costly conventional liquefaction apparatus.

Abstract: A surgical electronic microscope device (10) includes a microscope unit (110) and a support unit (120) that supports the microscope unit (110). The microscope unit (110) images an operative site of a patient (330) on an operating table (340), and outputs an image signal. The support unit (120) includes a prop unit (290c). The prop unit (290c) supports a second arm (290b) rotatably around an axis (05). The second arm (290b) supports a first arm (290a) rotatably around an axis (04). The first arm (290a) supports the microscope unit (110). Pivoting the second arm (290b) on the axis (05) while keeping the first arm (290a) substantially level makes it possible to change a height of the microscope unit (110). A length (V) of the second arm (290b) is greater than a length (H) of the first arm (290a). Accordingly, a movable range of the microscope unit (110) in a vertical direction is wide.

Abstract: A conveying roller contacts and conveys an optical disc toward a position of a spindle motor when the conveying roller is in a first roller position, and does not contact the optical disc when the conveying roller is in a second roller position. A slider places the conveying roller in the first roller position when the slider is in a first operation member position, and places the conveying roller in the second roller position when the slider is in a second operation member position. A first transmission mechanism transmits rotation of a loading motor to the conveying roller. A second transmission mechanism transmits the rotation of the loading motor to the slider. A distribution mechanism engages with each of the first transmission mechanism and the second transmission mechanism to distribute the rotation of the loading motor to the first transmission mechanism and the second transmission mechanism.

Abstract: A noise filter includes: a first bus bar that is electrical wiring of a flat plate, the first bus bar including a first extending wiring portion extending in a first direction, a second extending wiring portion extending in a second direction that is a direction opposite to the first direction, and a first coupling wiring portion connecting the first extending wiring portion and the second extending wiring portion; a first lead conductor having a first end connected with the first coupling wiring portion; a first capacitor having a first end connected with a second end of the first lead conductor and a second end connected with a ground; and a magnetic core having an opening in a central portion, the magnetic core disposed in such a manner that the first coupling wiring portion passes through the opening.

Abstract: Disclosed is a surge protection circuit including a printed circuit board; a surge absorber disposed on the printed circuit board; a member having conductivity and magnetism, and extending in a direction orthogonal to a face of the printed circuit board; and a conductor wire having an end connected to the surge absorber and another end connected to the member, formed in such a way as to extend from a point of intersection between a plane parallel to the face of the printed circuit board and a center line of the member in the orthogonal direction, which is a start point, and formed along at least a part of a virtual spiral shape centered at the point of intersection on the parallel plane.

Abstract: A nitrogen generating device comprises: a main heat exchanger; a nitrogen distillation column; at least one nitrogen condenser; a compressor; an expansion turbine; a rotation control unit for controlling rotation with respect to a rotating shaft connecting the compressor and the expansion turbine; a pressure measuring unit for measuring a pressure value of product nitrogen gas; and an optimum rotational speed calculation command unit which inputs the pressure value measured by the pressure measuring unit into a pre-installed rotational speed calculation function to calculate the rotational speed of the rotating shaft, and issues a command to the rotation control unit.

Abstract: Disclosed is a sensor circuit including a resistance for detection connected to a wire, a first terminal pair comprised of terminal wires connected respectively to terminals of the resistance for detection, a second terminal pair comprised of terminal wires short-circuited to each other at one terminal of the resistance for detection, and a sensing section to measure a current or voltage from which a noise component is removed using a detection signal inputted thereto via the first terminal pair and a detection signal inputted thereto via the second terminal pair.

Abstract: A control device includes circuitry configured to: acquire an operation command through voice input to an imaging device including: an image sensor; and an optical system including a focus lens; and proceed to a mode for performing control to return a position of the focus lens such that a focus position of the focus lens is returned, from a focus position at a time of stoppage of the focus lens, by an amount of return equal to or less than a reference focal depth in the optical system when the operation command is a command to stop operation of the focus lens.

Abstract: A control apparatus includes: an acquisition unit configured to acquire an operation instruction made by a voice input to an imaging device including: an optical system including a focus lens; and an image sensor; and a controller configured to control the focus lens moving at a first velocity to stop movement when the operation instruction is an instruction to stop an operation of the focus lens, and control the focus lens to move at a second velocity lower than the first velocity.

Abstract: A medical observation system, a control method, and a program are provided, which are capable of easily reducing the possibility that illumination light directly enters an eye by accident. A medical observation system 1 includes: an imaging unit 21 that captures an object and generates an image signal; a light output unit 22 that outputs illumination light in a capturing direction of the imaging unit 21; a determining unit 942 that determines the usage state of the imaging unit 21; and an illumination controller 944 that controls illumination light emitted by the light output unit 22 based on a determination result of the determining unit 942.

Abstract: A medical holding device includes: an arm configured by coupling a plurality of links to each other by joints, the arm having at least seven or more degrees of freedom by rotational operations on rotation axes, and being configured to support a medical instrument; and an arm controller configured to control an operation of the arm. The arm has six degrees of freedom realized by rotational operations of six passive rotation axes that passively rotate and one or more degrees of freedom realized by rotational operations of one or more active rotation axes that actively rotate, and the arm controller is configured to rotate the active rotation axis so as to avoid a predetermined state of a posture of the arm.

Abstract: A conveying roller contacts and conveys an optical disc toward a position of a spindle motor when the conveying roller is in a first roller position, and does not contact the optical disc when the conveying roller is in a second roller position. A slider places the conveying roller in the first roller position when the slider is in a first operation member position, and places the conveying roller in the second roller position when the slider is in a second operation member position. A first transmission mechanism transmits rotation of a loading motor to the conveying roller. A second transmission mechanism transmits the rotation of the loading motor to the slider. A distribution mechanism engages with each of the first transmission mechanism and the second transmission mechanism to distribute the rotation of the loading motor to the first transmission mechanism and the second transmission mechanism.

Abstract: Provided is an optical disc drive that can implement a conveying roller position manipulation mechanism, a centering mechanism, and a chucking pulley operation mechanism, while allowing the number of components to be reduced. A base frame includes a spindle motor and an optical element. An inner case houses the base frame, and supports a conveying mechanism configured to convey an optical disc to the position of the spindle motor. An outer case houses the inner case. The base frame is fixed in the inner case via a first damper, and the inner case is fixed in the outer case via a second damper.

Abstract: A medical observation apparatus includes: a camera configured to capture an object image of an observation target; a support configured to support the camera so as to be rotatable about a plurality of mutually-different shafts; a memory configured to store the position of the camera; a brake configured to switch between: a permission state for permitting the camera to rotate about at least one of the plurality of shafts; and a restriction state for restricting the rotation; and a controller configured to perform a reproduction process for switching the brake to the permission state, and thereafter switching the brake from the permission state to the restriction state when the support is operated according to an external force applied to the support by an operator and the camera is located at the position of the camera stored in the memory.

Abstract: Provided is a medical robot arm apparatus including a plurality of joint units configured to connect a plurality of links and implement at least 6 or more degrees of freedom in driving of a multi-link structure configured with the plurality of links, and a drive control unit configured to control driving of the joint units based on states of the joint units. A front edge unit attached to a front edge of the multi-link structure is at least one medical apparatus.