Abstract: An encoder includes a base portion, a rotation portion that is provided to be rotatable about a rotation axis with respect to the base portion, a mark that is disposed around the rotation axis on the rotation portion, an imaging element that is disposed in the base portion and images the marks, a storage portion that stores a reference image, and a determination portion that performs template matching on the mark imaged by the imaging element by using the reference image, so as to determine a rotation state of the rotation portion with respect to the base portion.

Abstract: A liquid injection method for injecting a liquid into a culture vessel includes tilting the culture vessel around a horizontal axis at a tilt angle (X°) of greater than 0° and 50° or less, wherein adherent cells are adhered to the culture vessel; and injecting the liquid into the culture vessel at a predetermined linear velocity (Y mm/s) via a wall surface of the culture vessel tilted at the tilt angle (X°), wherein the tilt angle (X) and the linear velocity (Y) satisfy the following (formula 1): Y?5.075X+123 (formula 1).

Abstract: An encoder includes a base portion, a scale portion that is provided to be relatively rotatable with respect to the base portion, and has a plurality of marks, an imaging element that is disposed in the base portion, and images the marks, and an estimation portion that performs template matching on a captured image in the imaging element by using a reference image, in which the plurality of marks include a first mark and a second mark, and the estimation portion counts the number of pixels of the imaging element corresponding to a rotation angle of the scale portion with respect to the base portion until a position of the second mark is detected from detection of a position of the first mark, and performs calibration on the basis of the counted number of pixels and the rotation angle.

Abstract: Template matching with an image captured by the first imaging element is performed to obtain a first movement amount in a circumferential direction of the first mark, template matching with an image captured by the second imaging element is performed to obtain a second movement amount in a circumferential direction of the second mark, and a rotation angle is calculated and output by using the first movement amount and the second movement amount.

Abstract: An encoder includes a base portion, a scale portion that is provided to be relatively movable or rotatable with respect to the base portion, and has three or more marks which are different from each other, an imaging element that is disposed in the base portion, and images the marks, and an estimation portion that selects at least one reference image from among three or more reference images, performs template matching on a captured image in the imaging element by using the reference image, so as to detect positions of the marks, and estimates a movement state or a rotation state of the scale portion with respect to the base portion, in which the estimation portion predicts a reference image to be used for post-template matching on the basis of a result of pre-template matching, and performs the post-template matching by using the predicted reference image.

Abstract: A fuel supply device has a cover member which is attached to an opening of a fuel tank, a pump unit provided with a pump, and a connecting portion for connecting the cover member and the pump unit. The fuel supply device has a connecting shaft which is formed on either one of the connecting portion or the pump unit, and a connecting hole which is formed on the other. The fuel supply device has a guide mechanism which can guide the pump unit. The guide mechanism includes a first guide portion formed at the connecting portion and a second guide portion formed at the pump unit. One of the first guide portion or the second guide portion includes a protruding portion which protrudes in a position spaced apart from the connecting shaft. The other guide portion is formed to restrict a movable range of the protruding portion.

Abstract: A resin composition for a medical device to be subjected to gas low-temperature sterilization includes a resin and an ion exchanger.

Abstract: A piston ring which is resinous includes an annular main body portion having an inner peripheral surface and an outer peripheral surface facing each other and a pair of side surfaces interconnecting the inner peripheral surface and the outer peripheral surface and a joint portion 3 formed in the main body portion. The joint portion has a step shape when viewed from at least one of the pair of side surfaces and the outer peripheral surface. The outer peripheral surface has a tapered surface having an outer diameter increasing from a side of one side surface of the pair of side surfaces of the main body portion toward a side of the other side surface.

Abstract: The present invention aims to provide a method of producing motor neurons/neurons that sufficiently reproduce intrinsic properties of motor neurons/neurons, especially of the motor neurons/neurons in patients, from pluripotent stem cells promptly and synchronically, and a pluripotent stem cell capable of differentiating into a neuron or a motor neuron promptly and synchronically after a drug treatment. A method of generating a motor neuron from a pluripotent stem cell, comprising the following steps in order from (1) to (2): (1) introducing one or more nucleic acids encoding Lhx3, Ngn2, and Isl1 into a pluripotent stem cell; and (2) maintaining expression of the Lhx3, Ngn2, and Isl1 for three days or more.

Abstract: A fuel supply device includes a cover member which is attached to an opening of a fuel tank, a pump unit comprising a pump, and a connecting portion for connecting the cover member and the pump unit. The pump unit is connected to the connecting portion so as to be relatively movable to the cover member. When the fuel supply device is attached to the fuel tank, an engagement portion provided at a lower portion of the pump unit abuts the connecting portion such that via the engagement portion the connecting portion presses the pump unit against the fuel tank.

Abstract: An acoustic lens contains a base material composed of a diorganopolysiloxane or a silicone rubber compound utilizing a diorganopolysiloxane as a main component, and plate-like inorganic compound particles dispersed in the base material.

Abstract: Template matching with an image captured by the first imaging element is performed to obtain a first movement amount in a circumferential direction of the first mark, template matching with an image captured by the second imaging element is performed to obtain a second movement amount in a circumferential direction of the second mark, and a rotation angle is calculated and output by using the first movement amount and the second movement amount.

Abstract: An encoder includes a base portion, a scale portion that is provided to be relatively rotatable with respect to the base portion, and has a plurality of marks, an imaging element that is disposed in the base portion, and images the marks, and an estimation portion that performs template matching on a captured image in the imaging element by using a reference image, in which the plurality of marks include a first mark and a second mark, and the estimation portion counts the number of pixels of the imaging element corresponding to a rotation angle of the scale portion with respect to the base portion until a position of the second mark is detected from detection of a position of the first mark, and performs calibration on the basis of the counted number of pixels and the rotation angle.

Abstract: A fuel supply device has a cover member which is attached to an opening portion of a fuel tank and a pump unit comprising a pump. The cover member and pump unit are connected via a connecting portion where the pump unit is rotatably connected to the connecting portion. Further, the fuel supply device includes a fuel residual amount detection device which is attached to the pump unit and configured to detect the residual amount of fuel. The fuel residual amount detection device includes a gauge main body to which electric wirings are connected, an arm portion which is movably mounted relative to the gauge main body and a float which is attached to a leading end of the arm portion. The float is positioned above a lower terminal end of the base portion when the cover member is held and lifted while the pump unit rotates with respect to the connecting portion.

Abstract: A robot includes a base, a robot arm provided to be turnable around a turning axis with respect to the base, and an encoder including a mark configured to turn around the turning axis according to the turning of the robot arm and an imaging element configured to image the mark, the encoder detecting a state of the turning of the robot arm using a signal output from the imaging element. The encoder includes a telecentric optical system disposed between the imaging element and the mark.

Abstract: A robot includes a first member, a second member that is provided to be turnable about a turning axis with respect to the first member, marks that are disposed around the turning axis on a surface of the second member, and a mark detection portion that is disposed in the first member and detects the marks.

Abstract: An encoder includes a base portion, a scale portion that is provided to be relatively movable or rotatable with respect to the base portion, and has three or more marks which are different from each other, an imaging element that is disposed in the base portion, and images the marks, and an estimation portion that selects at least one reference image from among three or more reference images, performs template matching on a captured image in the imaging element by using the reference image, so as to detect positions of the marks, and estimates a movement state or a rotation state of the scale portion with respect to the base portion, in which the estimation portion predicts a reference image to be used for post-template matching on the basis of a result of pre-template matching, and performs the post-template matching by using the predicted reference image.

Abstract: An encoder includes a base part, a rotation part provided rotatably about a rotation axis relative to the base part, an irregular pattern placed along about the rotation axis in the rotation part, an image pickup device placed in the base part and capturing the pattern, and a determination part that determines a rotation state of the rotation part relative to the base part using an imaging result of the image pickup device.

Abstract: The present invention provides a prophylactic or therapeutic agent for Alzheimer's disease (AD) containing a combination of two or more compounds selected from the group consisting of compounds shown by compound Nos. 1 to 130. Since these compounds are existing drugs that have already been confirmed actually for safety and pharmacokinetics in human, they can be a means for a pre-emptive treatment of people at risk of AD and in a stage before developing mild cognitive impairment (MCI).

Abstract: The control device includes a control signal supply unit, a frequency changing unit, and a storage unit. The control signal supply unit generates a control signal, and supplies the generated control signal to the switching element. The storage unit stores a frequency table defining a change value of a frequency of the control signal. The frequency changing unit changes the frequency of the control signal every time a predetermined time period elapses, according to the change value defined in the frequency table.