Abstract: An endoscope system includes an insertion portion, an objective optical system provided on the insertion portion and configured to form an object image, an image pickup unit configured to pick up the object image, a bending portion configured to cause a distal end portion of the insertion portion to bend, an image processing portion configured to perform cutout processing on the image picked up by the image pickup unit, such that an area of field of view expands in a bending direction of the distal end of the insertion portion by the bending portion, and an exposure control portion configured to perform exposure control based on a brightness of the cutout image.

Abstract: An endoscope system includes: an insertion portion; a first image acquisition portion; second image acquisition portions; and an image generation portion that, when displaying a first object image and second object images on a monitor in a manner in which the second object images are caused to be displayed adjacently to the first object image on both sides thereof, generates image signals that express perspective by performing image processing that makes a magnification of the second object images higher than a magnification of the first object image so that an image height of regions towards sides that are away from the first object image in the second object images gradually increases relative to an image height of regions that are adjacent to the first object image in the second object images.

Abstract: A loudspeaker includes a diaphragm, a voice coil body, and a magnetic circuit. The diaphragm has a first side, which is the surface of a recess defined by a thin part and a thick part formed around the thin part. The voice coil body includes a bobbin and a voice coil. The bobbin has a first end connected to the thin part on the first side of the diaphragm and a second end opposite to the first end. The magnetic circuit has an inner part, an outer part, and a magnetic gap. Part of the magnetic circuit including the first side of the inner part is located from the second end of the bobbin into the bobbin, and the first side of the inner part and the first side of the outer part are located in the recess so that the voice coil is located in the magnetic gap.

Abstract: An endoscope system includes an image forming section configured to arrange first and second images obtained by picking up images of first and second regions of a subject to be adjacent to each other to form an image of one frame, a light source section configured to emit illumination light based on a brightness evaluation of the image to the first and second regions, a brightness-range calculating section configured to detect minimum and maximum luminance values in the first and second images, and an image processing section configured to perform a luminance shift such that a minimum or maximum luminance value of an image, a luminance range of which is smaller than a predetermined luminance range, among the first and second images coincides with a predetermined luminance lower limit or upper limit value.

Abstract: An endoscope system includes: an insertion portion; an observation window provided on the insertion portion to acquire a first subject image from a forward direction; an observation window provided on the insertion portion to acquire a second subject image from a lateral direction different from the forward direction; an illumination window to emit first illumination light in the forward direction; an illumination window to emit second illumination light in the lateral direction; an aperture to adjust an amount of light of the first illumination light and an amount of light of the second illumination light; a control section to integrate amounts of opening of the aperture to calculate an integrated value; and an illumination light amount control section to control the amount of light of the first illumination light and the amount of light of the second illumination light based on the integrated value.

Abstract: An endoscope system includes an insertion portion, an observation window provided in the insertion portion and configured to acquire a forward visual field image, an observation window provided in the insertion portion and configured to acquire a lateral visual field image, and an image processing portion. The image processing portion detects a set detection target in the lateral visual field image, generates an image signal of the forward visual field image and an image signal of the lateral visual field image, and in the case that the detection target is detected, outputs the image signal of the forward visual field image and the image signal of the lateral visual field image.

Abstract: A speaker device for reproducing an audio signal includes a first speaker including a first diaphragm and a first magnetic circuit that drives the first diaphragm, where the first diaphragm reproduces an audio signal including a predetermined frequency range, a second speaker including a second diaphragm and a second magnetic circuit that drives the second diaphragm, where the second diaphragm reproduces an audio signal including a frequency range substantially the same as the predetermined frequency range, and at least one cabinet having the first speaker and the second speaker mounted therein so that radiation directions of sounds are opposite to each other. At least part of a space formed between the first speaker and the second speaker communicates with the outside of the cabinet. When the speaker device reproduces the audio signal, the first diaphragm and the second diaphragm vibrate in opposite directions.

Abstract: A method causing a processor included in a speaker system to execute operations includes acquiring, using a measurement microphone, reflected sound information regarding an effect of sounds that are played back by a plurality of speakers having predetermined directivity and that are reflected off an object, where the plurality of speakers are included in the speaker system, calculating correction coefficients used to correct acoustic characteristics of the plurality of speakers on the basis of the acquired reflected sound information, and correcting the acoustic characteristics of the plurality of speakers using the calculated correction coefficients.

Abstract: An endoscope system has an insertion portion, a forward observation window configured to acquire a forward-field-of-view image, a lateral observation window configured to acquire a lateral-field-of-view image, an image pickup device and a video processor. A positional displacement correcting portion of the video processor detects a positional relationship between a portion where the forward-field-of-view image is formed and a portion where the lateral-field-of-view image is formed, on the image pickup device, and generates displacement amount data. A boundary correcting portion generates an image signal in which the forward-field-of-view image and the lateral-field-of-view image are arranged with an image center point provided in the portion and an image center point provided in the portion caused to correspond to each other, based on the displacement amount data.

Abstract: An endoscope image processing device includes an image acquisition section and a boundary region correction section. The image acquisition section acquires image signals that form a front image corresponding to a front field of view and a side image corresponding to a side field of view as a single acquired image. A region within the acquired image that corresponds to the front field of view is referred to as a front region, and a region within the acquired image that corresponds to the side field of view is referred to as a side region. The boundary area correction section performs a process that causes at least one of an image of the front region and an image of the side region to overlap a boundary region that is a region that defines a boundary between the front region and the side region.

Abstract: An endoscope system includes an insertion portion, a front observation lens, a surrounding observation lens, an image generation section, an image processing section, a first illumination lens, second illumination lenses, and a filter driving section.

Abstract: An endoscope system includes: an image configuring portion configured to configure a first image and a second image based on image pickup signals corresponding to different areas in a same subject; a luminance detecting portion configured to detect luminances of the first and second images; and a luminance control portion adjusting, for areas obtained by dividing each of the first and second images as units, the luminance of at least one of the images so that a luminance difference between two areas where the first image and the second image adjoin each other becomes equal to or smaller than a threshold.

Abstract: An endoscope system includes an image pickup section, an insertion section, a first optical system configured to project a first subject image onto the image pickup section, a second optical system configured to project a second subject image onto the image pickup section, an image generating section configured to generate an image based on the first subject image and the second subject image, an image processing section configured to perform predetermined image processing, and a storing section configured to record image processing target region information, and the image processing section moves an image processing region from a region set in the image processing target region information and sets the image processing region so as to coincide with a boundary region between the first subject image and the second subject image.

Abstract: An endoscope system includes: illuminating windows configured to emit a first illuminating light to the front and a second illuminating light to the side inside the subject; an observation window configured to acquire an image of the subject from the front; an observation window configured to acquire an image of the subject from the side; an image generation portion configured to generate a first image based on an image of the subject from the front and a second image based on an image of the subject from the side; a control portion configured to compare brightnesses of the first image and the second image; a polarization filter configured to adjust the amount of at least one of the first illuminating light and the second illuminating light; and a drive portion configured to drive a polarization filter on the basis of a result of the brightness comparison by the control portion.

Abstract: The endoscope apparatus effects shifting without disappearance of a side observation image until a boundary between the side observation image and a non-image-forming region reaches an end of a light receiving surface so that a displacement of a shift distance K is produced between an optical axis of an imaging optical system and a center position L of the light receiving surface of an imaging section, adjusts a magnification of the imaging optical system, and magnifies and displays a combined image of a front observation image and the side observation image.

Abstract: An endoscope system includes: an insertion portion; a front view observation window configured to acquire a first object image; a first image pickup device configured to generate a first image pickup signal; a side view observation window configured to acquire a second object image; a second image pickup device configured to generate a second image pickup signal; an inclination angle detection portion configured to detect a rotation around an axis and generate inclination information; and a video processor configured to generate an image signal representing a state that an image represented by the second image pickup signal is made to revolve following the rotation and arranged with respect to an image represented by the first image pickup signal, based on the inclination information, the first image pickup signal and the second image pickup signal, and output the image signal to a display portion configured to display the image.

Abstract: An endoscope system is provided with an insertion portion, a direct-view observation window, a side-view observation window, a video processor, an image processing section configured to remove, overlapping regions between the first image and the plurality of second images and match lengths of sides of the plurality of second images to a length of a side of the first image, and a region of interest detection section configured to detect a region of interest from the plurality of second images. The image processing section performs image processing of canceling the processing of increasing the width of the image region as the distance from the region adjacent to the first image increases for only the second image from which the region of interest is detected among the plurality of second images according to a result of the detection conducted by the region of interest detection section.

Abstract: A loudspeaker includes a frame, a diaphragm, an edge, a magnetic circuit, and a voice coil body. The magnetic circuit includes a magnet and a bottom plate. The bottom plate includes an installation part and a plurality of arms. The installation part is located on the first side of the magnet and is magnetically connected to the magnet. The arms project from the installation part toward the outer periphery and are connected to the frame.

Abstract: A loudspeaker includes a frame, a diaphragm, a voice coil body, a terminal, and a relay wire. The diaphragm includes a thin part and a thick part formed around the thin part. The voice coil body includes a bobbin and a voice coil, and is placed in the center of the diaphragm. The terminal is fixed to the frame. The relay wire is connected to the terminal and the voice coil. At least part of the relay wire is located in the thick part.

Abstract: A bicycle battery holder is basically provided with a battery holder body, an operating member and a battery engaging member. The battery holder body includes a contact portion. The operating member is movably mounted to the battery holder body between a first position and a second position. The battery engaging member is pivotally coupled to the operating member on an axle such that the battery engaging member moves in a first direction with respect to the battery holder body to a battery retaining position as the operating member moves from the first position to the second position. The contact portion of the battery holder body limits rotational movement of the operating member around an axis of the axle to maintain the operating member in the first position while the operating member is disposed in the first position.