Abstract: An endoscope apparatus measures a subject using a pattern projection image of the subject on which a light and dark pattern of light is projected. The endoscope apparatus includes an insertion tube having a central axis, an image sensor, an objective optical system configured to form an image of the subject on the image sensor, an illumination light source, a pattern projector configured to project the light and dark pattern onto the subject, a projection window for the pattern projector, and an observation window for the objective optical system. The objective optical system has a prism configured to direct light incident through the observation window to a direction toward the image sensor, and the objective optical system is disposed such that an optical axis of the light directed by the prism and incident on the image sensor is offset relative to the central axis of the insertion tube.

Abstract: An endoscope apparatus includes an imaging element, a video signal generating circuit, an illuminator, and one or more controllers. An imaging area in which a plurality of pixels are disposed includes a scanning area. In a case in which a first operation mode is set, the one or more controllers control the imaging element such that at least parts of the exposure periods of the pixels disposed in at least a part of the scanning area overlap each other. In a case in which a second operation mode is set, the one or more controllers control the illuminator such that the light source is turned on in a period in which at least parts of the exposure periods of the pixels disposed in at least a part of the scanning area overlap each other.

Abstract: An endoscope apparatus measures a subject using a pattern projection image of the subject on which a light and dark pattern of light is projected. The endoscope apparatus includes an insertion tube having a central axis, an image sensor, an objective optical system configured to form an image of the subject on the image sensor, an illumination light source, a pattern projector configured to project the light and dark pattern onto the subject, a projection window for the pattern projector, and an observation window for the objective optical system. The objective optical system has a prism configured to direct light incident through the observation window to a direction toward the image sensor, and the objective optical system is disposed such that an optical axis of the light directed by the prism and incident on the image sensor is offset relative to the central axis of the insertion tube.

Abstract: An endoscope configured to measure a specimen using a stripe image formed by projecting a light-dark pattern on the specimen, the endoscope including an insertion portion having an elongated shape; an imaging unit provided at a distal portion of the insertion portion and configured to acquire an image of the specimen; a lighting unit configured to illuminate an observation field of view of the imaging unit; and a pattern projector which emits projection light configured to project the light-dark pattern to the specimen and project the light-dark pattern on the specimen. The imaging unit includes an image sensor configured to image the image of the specimen; and an objective optical system configured to form the image of the specimen on the image sensor.

Abstract: An endoscope apparatus measuring a subject using a pattern projection image of the subject on which a light and dark pattern of light is projected, includes an insertion tube; an image sensor; an objective optical system forming the subject image on the image sensor; an illumination light source illuminating the subject; a pattern projector projecting the light and dark pattern onto the subject; and a projection window disposed at a distal end portion of the insertion tube. When the projection window is viewed from the front and the distal end portion of the insertion tube is divided into two sides by an imaginary first plane which includes a central axis of the insertion tube, a center of the projection window is at one of the two sides of the distal end portion of the insertion tube. An observation window is disposed at the distal end portion of the insertion tube.

Abstract: An inner surface shape measurement device for measuring a shape of an inner surface of a test target, and includes a light source, an optical system which converts light emitted by the light source into a disc-shaped light beam to cause the light beam to be emitted toward an inner surface of the test target, a photography unit which captures an image of a state in which the light beam is projected on the inner surface of the test target, and a wiring which supplies power for driving the light source. The optical system, the light source and the photography unit are disposed in this order along a same axis line, and the wiring extends from the light source toward the photography unit.

Abstract: An endoscope apparatus includes an imaging element, a video signal generating circuit, an illuminator, and one or more controllers. An imaging area in which a plurality of pixels are disposed includes a scanning area. In a case in which a first operation mode is set, the one or more controllers control the imaging element such that at least parts of the exposure periods of the pixels disposed in at least a part of the scanning area overlap each other. In a case in which a second operation mode is set, the one or more controllers control the illuminator such that the light source is turned on in a period in which at least parts of the exposure periods of the pixels disposed in at least a part of the scanning area overlap each other.

Abstract: Provided is an endoscope apparatus for measuring a subject. The endoscope apparatus including: an elongated insertion unit; an image capturing unit being provided on a distal end part of the insertion unit, the image capturing unit configured to obtain an image of the subject; an illumination unit comprising a first light source and configured to illuminate an observation viewing field of the image capturing unit; and a fringe projection unit comprising a second light source configured to emit a light, which differs from a light of the first light source, and a fringe pattern generation unit configured to form the fringe pattern, and configured to project the fringe pattern on the subject.

Abstract: An inner surface shape measurement device for measuring a shape of an inner surface of a test target, and includes a light source, an optical system which converts light emitted by the light source into a disc-shaped light beam to cause the light beam to be emitted toward an inner surface of the test target, a photography unit which captures an image of a state in which the light beam is projected on the inner surface of the test target, and a wiring which supplies power for driving the light source. The optical system, the light source and the photography unit are disposed in this order along a same axis line, and the wiring extends from the light source toward the photography unit.

Abstract: An endoscope configured to measure a specimen using a stripe image formed by projecting a light-dark pattern on the specimen, the endoscope including an insertion portion having an elongated shape; an imaging unit provided at a distal portion of the insertion portion and configured to acquire an image of the specimen; a lighting unit configured to illuminate an observation field of view of the imaging unit; and a pattern projector which emits projection light configured to project the light-dark pattern to the specimen and project the light-dark pattern on the specimen. The imaging unit includes an image sensor configured to image the image of the specimen; and an objective optical system configured to form the image of the specimen on the image sensor.

Abstract: An endoscope apparatus measuring a subject using a pattern projection image of the subject on which a light and dark pattern of light is projected, includes an insertion tube; an image sensor; an objective optical system forming the subject image on the image sensor; an illumination light source illuminating the subject; a pattern projector projecting the light and dark pattern onto the subject; and a projection window disposed at a distal end portion of the insertion tube. When the projection window is viewed from the front and the distal end portion of the insertion tube is divided into two sides by an imaginary first plane which includes a central axis of the insertion tube, a center of the projection window is at one of the two sides of the distal end portion of the insertion tube. An observation window is disposed at the distal end portion of the insertion tube.

Abstract: An endoscope includes an insertion portion having an elongated shape, an imaging unit provided at a distal portion of the insertion portion and configured to acquire an image of a specimen, a lighting unit configured to illuminate an observation field of view of the imaging unit, and a pattern projector having a light source configured to emit projection light to project a light and dark pattern on the specimen. The pattern projector generates a region, in which the light and dark pattern is not projected, in at least one end of a direction in which stripes of the light and dark pattern are arranged in an imaging field of view of the imaging unit, in a state in which the light and dark pattern is projected on the specimen.

Abstract: Provided with an endoscope device configured to measure a specimen using a pattern projection image of the specimen on which a light and shade pattern of light is projected, includes: an imaging unit configured to acquire an image of the specimen; an illumination unit having a first light source configured to emit illumination light to illuminate an observation field of vision of the imaging unit; a pattern projection unit having a second light source configured to emit projection light to project the light and shade pattern on the specimen; a display unit configured to display the image acquired by the imaging unit; and a control unit configured to control the imaging unit, the illumination unit, the pattern projection unit, and the display unit.

Abstract: An endoscope configured to measure a specimen using a pattern projection image of the specimen on which a light and shade pattern of light is projected, the endoscope may include: an insertion unit; an image capturing unit installed at a tip section of the insertion unit and configured to acquire an image of the specimen; an illumination unit having a first light source configured to emit illumination light to illuminate an observation field of vision of the image capturing unit; a pattern projection unit having a second light source configured to emit projection light to project the light and shade pattern on the specimen; and a control unit configured to control an operation of acquiring the image by the image capturing unit, an operation of emitting the illumination light from the illumination unit, and an operation of emitting the projection light from the pattern projection unit.

Abstract: An endoscopic apparatus includes an image generation unit generates an image including subject images, a display unit displays the image and a control unit controls measurement of a size of a subject based on the image, the control unit performs first processing of displaying a moving image including one subject image on the display unit, second processing of, after the first processing, displaying all of subject images used for the measurement or all of images based on one subject image used for the measurement on the display unit as still images, and third processing of, after the second processing, designating a measurement point based on an instruction of a user, and measuring the size of the subject at the designated measurement point based on either an image based on all of subject images used for the measurement or all of the plurality of images based on the one subject image.

Abstract: An inner surface shape measuring apparatus that measures an inner surface shape of a tested object by using a light-section method includes: a projection section which includes an outer peripheral section having a tubular shape and having a slit that light is capable of penetrating and that is provided in a circumferential direction, and a light source unit having a light-emitting element and arranged in the outer peripheral section, the projection section projecting a luminous flux that has a predetermined thickness from the slit onto the tested object; and an imaging section which images the inner surface of the tested object with the luminous flux projected thereon.

Abstract: An inner surface shape measuring apparatus that measures an inner surface shape of a tested object by using a light-section method includes: a projection section which includes an outer peripheral section having a tubular shape and having a slit that light is capable of penetrating and that is provided in a circumferential direction, and a light source unit having a light-emitting element and arranged in the outer peripheral section, the projection section projecting a luminous flux that has a predetermined thickness from the slit onto the tested object; and an imaging section which images the inner surface of the tested object with the luminous flux projected thereon.

Abstract: An inner surface shape measurement device for measuring a shape of an inner surface of a test target, and includes a light source, an optical system which converts light emitted by the light source into a disc-shaped light beam to cause the light beam to be emitted toward an inner surface of the test target, a photography unit which captures an image of a state in which the light beam is projected on the inner surface of the test target, and a wiring which supplies power for driving the light source. The optical system, the light source and the photography unit are disposed in this order along a same axis line, and the wiring extends from the light source toward the photography unit.

Abstract: A nondestructive testing apparatus includes a display section and a storage section which stores predetermined executable functions. Each of the predetermined functions is initially set to one of a permitted state and a disabled state, and one of a display state and a non-display state on the display section. In an initial state, at least one of the predetermined functions is set to the disabled state and the non-display state. The nondestructive testing apparatus can receive permission information which unlocks at least one of the predetermined functions initially set to the disabled state so as to be set to the permitted state, and unlocks at least one of the predetermined functions initially set in the non-display state so as to be in the display state. The apparatus displays an operation icon only with respect to all of the predetermined functions set to the display state.

Abstract: Provided with an endoscope device configured to measure a specimen using a pattern projection image of the specimen on which a light and shade pattern of light is projected, includes: an imaging unit configured to acquire an image of the specimen; an illumination unit having a first light source configured to emit illumination light to illuminate an observation field of vision of the imaging unit; a pattern projection unit having a second light source configured to emit projection light to project the light and shade pattern on the specimen; a display unit configured to display the image acquired by the imaging unit; and a control unit configured to control the imaging unit, the illumination unit, the pattern projection unit, and the display unit.