Patent application number | Description | Published |
20080198429 | HOLOGRAM RECORDING DEVICE - A hologram recorder (A | 08-21-2008 |
20080239421 | HOLOGRAM RECORDER - A hologram recorder is provided, in which coherent light from a light source is split into a signal beam and a reference beam, and the signal beam is modulated by a spatial light modulator to be directed to a hologram recording medium, while the reference beam is directed to the hologram recording medium to overlap with the signal beam for recording a hologram on the hologram recording medium. The hologram recorder includes a beam phase modulator provided with a plurality of optical devices ( | 10-02-2008 |
20080304122 | HOLOGRAM RECORDER - A hologram recorder (A) records holograms in a selected unit recording area (B | 12-11-2008 |
20080309999 | HOLOGRAPHIC RECORDING DEVICE - A holographic recorder (A | 12-18-2008 |
20090116086 | HOLOGRAM RECORDING DEVICE AND HOLOGRAM RECORDING METHOD - A hologram recording device for irradiating a recording beam (S) to a hologram recording medium (B) at a fixed incident angle (θs) and irradiating a reference beam (R) to an illuminated region (p) of the recording beam (S) by variably controlling an incident angle (θr) of the reference beam (R) on the hologram recording medium (B), whereby a hologram is recorded on the illuminated region (p) in multiple, includes at least a variable reflector ( | 05-07-2009 |
20090122374 | HOLOGRAM RECORDING DEVICE AND HOLOGRAM RECORDING METHOD - A hologram recorder (A) records a hologram in a hologram recording medium (B) by interference of a recording beam (S) irradiated at a predetermined incident angle to the medium (B) via a spatial light modulator ( | 05-14-2009 |
20090128874 | HOLOGRAM RECORDING DEVICE - A hologram recording device (A | 05-21-2009 |
20090129234 | HOLOGRAM RECORDING DEVICE AND HOLOGRAM RECORDING METHOD - A hologram recording device illuminates with a recording beam (S) a hologram recording medium (B), and illuminates with a reference beam (R) a region illuminated with the recording beam (p) while variably controlling the incident angle regarding the hologram recording medium (B) whereby holograms are recorded on the illuminated region (p) in multiple by interference of the recording beam (S) and the reference beam (R). The device includes an incident angle variable controller for variably controlling the incident angle of the reference beam (R) in a predetermined range. The hologram recording medium (B) has such characteristics that its recording sensitivity degrades as the incoming light amount increases. The incident angle variable controller changes the incident angle of the reference beam (R) from a larger angle to a smaller angle. | 05-21-2009 |
20090135459 | HOLOGRAM RECORDING APPARATUS AND HOLOGRAM RECORDING/REPRODUCING METHOD - A hologram recorder applies a recording beam (S) and a reference beam (R) to the illumination site (p) of a hologram recording medium (B). The interference between the recording beam (S) and the reference beam (R) produces multiple hologram recording at the illumination site (p). The recorder includes a recording-purpose reference beam reflector ( | 05-28-2009 |
20090207714 | HOLOGRAM RECORDING/REPRODUCING OPTICAL ELEMENT AND HOLOGRAM RECORDING/REPRODUCING DEVICE - An optical element for recording/reproducing a hologram condenses a recording beam into a hologram recording medium, while also allowing the passage of a reproduction beam from the hologram recording medium in the reverse direction with respect to the recording beam. The optical element is configured to converge, upon incidence of a parallel beam flux as the recording beam, an on-axis beam and off-axis beams contained in the parallel beam flux onto different image points. A beam condensing spot of the on-axis beam and the off-axis beams is formed, with a predetermined diameter at a predetermined position on an optical axis on a way to the image points. At least one of the on-axis beam and the off-axis beams has a diameter, at the predetermined position on the optical axis, smaller than the predetermined diameter of the beam condensing spot. | 08-20-2009 |
20090279152 | HOLOGRAM RECORDER - A hologram recording apparatus includes an objective lens ( | 11-12-2009 |
20090279153 | HOLOGRAM RECORDING/REPRODUCING DEVICE, HOLOGRAM RECORDING/REPRODUCING METHOD, AND HOLOGRAM RECORDING MEDIUM - The hologram recording/reproducing apparatus is for recording a hologram by emitting a recording beam (S) modulated by a spatial light modulator and a reference beam (R) having a same wavelength as the recording beam onto a hologram recording medium (B) so that the beams overlap each other with polarization direction (p) of the beams being matched to interfere with each other, and for reproducing the hologram by exposing the hologram recording medium storing the hologram to the reference beam to generate diffracted light and receiving the diffracted light by an imaging device. The spatial light modulator is controlled so as to form a data area (H | 11-12-2009 |
20100188716 | HOLOGRAM RECORDING DEVICE - A hologram recording device includes a spatial light modulator having an informational light modulation region modulating part of light from a light source into informational light corresponding to information to be recorded and a reference light emission region emitting the remaining light as reference light, and records a hologram onto a recording medium (B) by causing the informational the reference lights to interfere on the recording medium while the informational and the reference lights are traveling along the same optical path. The hologram recording device includes: a light modulation controller for dividing the informational light modulation region into a plurality of light modulation blocks and controlling a modulation status of the informational light in each light modulation block respectively; and a light emission controller for dividing the reference light emission region into a plurality of light emission blocks and controlling an emission status of the reference light in each light emission block respectively, in conjunction with control of the modulation status in each light modulation block. | 07-29-2010 |
20100195179 | HOLOGRAM REPRODUCING DEVICE AND HOLOGRAM REPRODUCING METHOD - A hologram reproducing device includes a splitter for splitting a reference beam, during reproduction, into a main beam and sub-beams forming incidence directions spatially shifted from the main beam. The hologram reproducing device also includes: an incidence direction variable irradiator for changing the incidence directions of the main beam and the sub-beams; a servo beam detector for detecting a portion of the reproduction beam generated in accordance with the sub-beams; and a beam receiving unit for receiving the main portion of the reproduction beam generated in accordance with the main beam. A reproducer reproduces an image obtained by the beam receiving unit when the main beam coincides with the incidence direction at which the received light of the beam receiving unit becomes equal to or greater than a prescribed level, with the intensity of the reference beam kept uniform, on the basis of the servo beam detection results. | 08-05-2010 |
20100202271 | OBJECTIVE LENS FOR RECORDING HOLOGRAM AND HOLOGRAM RECORDING DEVICE - Provided is an objective lens for recording a hologram that condenses an recording beam on a hologram recording medium, and the objective lens is configured so as to condense, in the case where the recording beam is incident upon the objective lens in a form of a parallel beam flux, an on-axis beam flux and an off-axis beam flux contained in the parallel flux so as to form a beam waist in the hologram recording medium, and such that a distance between an off-axis image point of the off-axis beam flux that defines a largest field angle among the off-axis beam fluxes gradually converging ahead of the beam waist and the hologram recording medium becomes minimal. | 08-12-2010 |
20100271922 | HOLOGRAM RECORDING DEVICE - A hologram recording device that records a hologram by passing recording light and reference light through the same objective lens and irradiating a recording medium, includes: a light splitter for dividing light from a light source into the recording light and the reference light; a light combining member for combining the recording light and the reference light, which have been divided by the light splitter, so as to be coaxial, and causing these light beams to advance to the objective lens; first and second lenses, positioned on an optical paths of the recording light and reference light, between the light splitter and the light combining member; a first aperture that narrows the recording light which has passed through the first lens; and, a second aperture that narrows the reference light which has passed through the second lens, the first and second lenses being configured to have different optical magnifications. | 10-28-2010 |
20120307059 | DIAGNOSIS APPARATUS AND DIAGNOSIS METHOD - A diagnosis apparatus includes an object extraction unit to extract one or more objects around a vehicle, a line-of-vision determination unit to determine whether or not at least one region of the object is included in a line-of-vision space centered around a line of vision of a driver of the vehicle, and a degree-of-recognition diagnosis unit to diagnose the driver's degree of recognition of the object in accordance with the determination result. | 12-06-2012 |
20130083197 | STORAGE MANAGING METHOD AND STORAGE MANAGEMENT DEVICE - The disclosed video processing device contains: a video acquisition unit that acquires surroundings information including video taken of the surroundings of a vehicle; a line-of-sight acquisition unit that acquires the origin and direction of the line of sight of the driver of the aforementioned vehicle; a line-of-sight video generation unit which generates, from the surroundings information, line-of-sight video corresponding to the origin of the line of sight; a blocking-information computation unit that computes, on the basis of the origin of the line of sight, blocking information including video or a region of the body of the aforementioned vehicle that blocks the driver's line of sight; and a display-video generation unit that generates display video on the basis of the line-of-sight video and the blocking information. | 04-04-2013 |