Abstract: A robot apparatus includes a multi-joint robot including, in at least one portion, a joint including a motor, a speed reducer connected to the motor, an input angle detecting unit configured to detect a rotational, angle of a rotating shaft of the motor, and an output angle detecting unit configured to detect an output rotational angle of the speed reducer, and a controller configured to diagnose a state of the speed reducer from an angle difference between the input rotational angle detected by the input angle detecting unit and the output rotational angle detected by the output angle detecting unit.

Abstract: A 3D image display apparatus is disclosed which includes a ray modulator which emits a directive ray in a time series manner based on parallax image information, a scanner which deflects the ray from the ray modulator and scans a predetermined plane two-dimensionally with the deflected ray, a light emitting point distributor which is arranged on a light emission side of the scanner to form a plurality of light emitting points, and a light emitting point multiplexer which is arranged on the light emission side of the light emitting point distributor to form a plurality of secondary light emitting points with rays from individual ones of the light emitting points, to enable stereopsis with a super multi-view region at a high resolution.

Abstract: A robot apparatus includes a rectangular wave generating portion arranged on the output side of a speed reducer, and configured to generate first output pulse signals upon driving of a joint. A control portion includes calculating portions and a motor control portion. The motor control portion estimates an estimated joint angle using input pulse signals, and controls to operate a servo motor so that this estimated joint angle matches a target joint angle. The calculating portions calculate a torsion angle of the joint corresponding to a deviation amount between the first output pulse signals and a pulse waveform of an ideal state. The motor control portion controls to operate the servo motor so as to correct the estimated joint angle by the torsion angle.

Abstract: An optical fringe generation member control apparatus is provided. The control apparatus includes a detection unit that is configured to detect an optical fringe. Further, the control apparatus includes a control unit that is configured to control operation of a member on which the optical fringe is generated. The control unit controls the operation based on a detection result by the detection unit.

Abstract: A tracking image pickup device which makes it possible to perform high-speed and high-accuracy drive and tilting drive without sacrificing the rigidity of the device. An image pickup section has a predetermined optical system and acquires an image pickup signal through the optical system. A tracking target-detecting section detects a tracking target from the image pickup signal acquired by the image pickup section. A drive section has a fine movement part formed by a part of the optical system, and a rough movement part, so as to turn the tracking image pickup device in a panning or tilting direction. A control command value-computing section drivingly controls the drive section such that an amount of deviation between the tracking target and an image pickup direction of the tracking image pickup device is reduced. An image pickup direction-computing section determines the image pickup direction of the tracking image pickup device.

Abstract: A method of manufacturing a micromachine in which corrosion of a structure is restrained and the micromachine are provided. The method of manufacturing a micromachine includes a first step of patterningly forming a sacrificial layer 12 having a silicon oxide based material containing a hydrogen fluoride dissociating species on a substrate 11, a second step of forming a structure 16 on the substrate 11 in the state of covering the sacrificial layer 12, a third step of forming the structure 16 on the sacrificial layer 12 with a hole part or parts 18 reaching the sacrificial layer 12, and a fourth step of forming a vibrating space between the substrate 11 and the structure 16 by introducing only a hydrogen fluoride gas or only the hydrogen fluoride gas and an inert gas through the hole part or parts 18 and etching the sacrificial layer 12 by use of the dissociating species contained in the sacrificial layer 12. The micromachine is manufactured by the method.

Abstract: An optical fringe generation member control apparatus includes a detection unit configured to detect an optical fringe, and a control unit configured to control operation of a member on which the optical fringe is generated, based on a detection result by the detection unit.

Abstract: A tracking image pickup device which makes it possible to perform high-speed and high-accuracy drive and tilting drive without sacrificing the rigidity of the device. An image pickup section has a predetermined optical system and acquires an image pickup signal through the optical system. A tracking target-detecting section detects a tracking target from the image pickup signal acquired by the image pickup section. A drive section has a fine movement part formed by a part of the optical system, and a rough movement part, so as to turn the tracking image pickup device in a panning or tilting direction. A control command value-computing section drivingly controls the drive section such that an amount of deviation between the tracking target and an image pickup direction of the tracking image pickup device is reduced. An image pickup direction-computing section determines the image pickup direction of the tracking image pickup device.

Abstract: A 3D image display apparatus is disclosed which includes a ray modulator which emits a directive ray in a time series manner based on parallax image information, a scanner which deflects the ray from the ray modulator and scans a predetermined plane two-dimensionally with the deflected ray a light emitting point distributor which is arranged on a light emission side of the scanner to form a plurality of light emitting points, and a light emitting point multiplexer which is arranged on the light emission side of the light emitting point distributor to form a plurality of secondary light emitting points with rays from individual ones of the light emitting points, to enable stereopsis with a super multi-view region at a high resolution.

Abstract: An image observation apparatus is constructed to project image information displayed on an image display device for displaying the image information, onto a retina of an observing eye by a display optical system, thereby permitting an observer to observe the image information, and to perform control to change a position of an incident beam onto the entrance pupil plane of the observing eye. The apparatus is arranged to detect the position of the observer's pupil and change the position of the incident beam onto the entrance pupil plane of the observing eye, based on the result of the detection.

Abstract: A three-dimensional image reconstructing apparatus for reconstructing a three-dimensional image and permitting the three-dimensional image to be observed at an observation position by use of an image display for displaying image information, a space optical modulator for forming a fine aperture, an optical system disposed near the space optical modulator, and a controller for controlling the image display and the space optical modulator so that some rays outgoing through the fine aperture of the space optical modulator and the optical system out of rays from the image information displayed on the image display pass a predetermined point in a three-dimensional space within a fixed period, wherein a distance between two closest rays passing the predetermined point and reaching the observation position is determined based on a diameter of a pupil of an observer.

Abstract: An image display apparatus has an image display for displaying a parallax image, and a display optical system for guiding light from the image display to the position of the exit pupil. The exit pupil is spatially and temporally divided into a plurality of areas, a passing beam to each area is controlled, and control is effected on switching between parallax images on the image display means corresponding to passing beams through the respective areas of the exit pupil, whereby a plurality of parallax images are perceived by a single eye of an observer.

Abstract: A system and method is disclosed for forming stereoscopic images. The images are formed through the arrangement of a viewpoint position detection sensor for emitting visible or infrared light to an observer. Reflected light is then detected from the observer, where controls perform follow-up control on a portion of the apparatus by using the signal obtained by the viewpoint position detection sensor. The signal, along with other desired signals, are then properly set to accurately detect the viewpoint position of the observer with a simplified arrangement that easily allows a stereoscopic view region to follow-up at high speeds.

Abstract: In a stereoscopic image display apparatus, the arrangement of a viewpoint position detection sensor for emitting visible light or infrared light to an observer and detecting reflected light from the observer, the arrangement of a follow-up control means for performing follow-up control on a portion of the apparatus by using the signal obtained by the viewpoint position detection sensor, and the like are properly set to accurately detect the viewpoint position of the observer with a simple arrangement and easily cause a stereoscopic view region to follow-up at a high speed.

Abstract: An image observation apparatus is constructed to project image information displayed on an image display device for displaying the image information, onto a retina of an observing eye by a display optical system, thereby permitting an observer to observe the image information, and to perform control to change a position of an incident beam onto the entrance pupil plane of the observing eye. The apparatus is arranged to detect the position of the observer's pupil and change the position of the incident beam onto the entrance pupil plane of the observing eye, based on the result of the detection.

Abstract: The present invention provides a stereoscopic image display apparatus comprising an illumination light source, an illuminating apparatus in which an optical system for guiding light from the illumination light source with directivity in predetermined regularity is housed in a housing, and a transmissive image sheet in which a stripe composite image produced by dividing a plurality of parallax images into stripes and arranging the stripes in a predetermined order is provided on a surface of a transparent sheet, wherein the transmissive image sheet is detachably mounted on the housing and the stripe composite image illuminated by the light from the illuminating apparatus is observed as a stereoscopic image, and wherein the transmissive image sheet is mounted on the housing so that a position of the transmissive image sheet can be adjusted by an adjusting device.

Abstract: The present invention relates to a stereoscopic image display apparatus having light source means for emitting a light beam having a predetermined shape, a transmission type display device for displaying an image, a micro optical element arranged between the light source means and the display device and having different optical effects in horizontal and vertical directions, the micro optical element irradiating the light beam emitted by the light source means onto the display device by giving directivity to the light beam to split the light beam into at least two regions, and adjusting means for adjusting an interval between the light source means and the micro optical element in correspondence with an image displayed on the display device.

Abstract: A display driver instructed by a host computer to perform a display operation uses an object analyzer to determine whether the file of an object to be displayed possesses three-dimensional image data. If the file possesses three-dimensional image data, then the display drive instructs a screen controller to present a three-dimensional display. In response, the screen controller uses an image painting unit and a checkered mask-pattern painting unit to present a three-dimensional display in a display area of the file on a stereoscopic display screen.

Abstract: A display apparatus has a display for displaying images for the right and left eyes, a lenticular lens arranged on the front surface of the display, and a detector for detecting the position of the head portion of an observer. A controller controls the images for the right and left eyes, so that the images are equally incident on the two eyes of the observer at the position detected by the position detector.

Abstract: A lenticular method is known as method for forming stereoscopic images or animated images on a lenticular plate. This method uses a film as an aggregate element having a plurality of lenses provided with almost semi-cylindrical extrusions (circular extrusions). This invention relates to the image formation on a recording medium (lenticular plate) of a lenticular type. With the provision of a device for detecting relative misregisteration between images and the lenses constituting the lenticular plate, and a device for positioning the images and lenses, extra work and costs are saved. Also, with simple structures on both recording apparatus and plate sides, the formation of high quality stereoscopic images or animated images is materialized.