Nippon Hoso' Kyokai

Nisson Hoso Kyokai

Fumio Okano

Jun Arai

Masaru Kanazawa

Koichi Hamada

Tomoyuki Mishina

Masaki Kobayashi

Masayuki Sugawara

Makoto Okui

Takayuki Yamashita

Haruo Hoshino

Tetsuji Suzuki

Junji Kumada

Kohji Mitani

Jun'ichi Ishida

Tetsuo Mitsuhashi

Tatsuhiko Kondo

Isao Kondou

Takashi Oketani

Tsutou Asakura

Yasuyuki Haino

Ryou Nishima

Katsuyuki Shudo

Disclosed are an imaging device and a display device which both have a simple structure without any need of an image conversion. The imaging device includes a lens component group including multiple lens component systems, each of which focuses incident light from the object, thereby creating a non-inverted image of the object, the lens component systems being arranged in an array form and on the same level, and an image capturing mechanism for picking up the created image. In addition, each of the lens component systems includes an afocal optical system and an image-forming system. The afocal optical system includes at least one optical element for inverting an externally incident light ray relative to its optical axis and outputting the light ray. The optical element has uniform refractive index. The image-forming system includes at least one optical element having uniform refractive index throughout its interior.

Imaging device and display device

A contour compensation circuit that generates a contour-compensated signal by which a signal level of a contour of the object is emphasized, from an image signal obtained by an image pickup of an object. This circuit includes a reverse gamma controller, a contour compensation signal generator, and a calculator. The reverse gamma controller determines a standard channel from among the channels constituting the image signal, and obtains a liner standard channel from the standard channel by the reverse control. The contour compensation signal generator generates a contour compensation signal from the liner standard channel. The control signal generator computes a comparative value from the liner standard channel and the contour compensation signal, and generates a control signal based on a comparison between the comparative value and a threshold value. The calculator computes the contour-compensated signal based on the contour compensation and control signals, and the liner standard channel.

Contour compensation circuit, and a method and program for contour compensation, and an image signal display device

A process for taking a slow motion picture is disclosed which comprises: setting a plurality of cameras each having a shutter so that each of them can take an image with a similar view; and continuously taking fields of a subject by said a plurality camera in a timely staggered manner. In this process, timing of opening the shutter of each camera is staggered so that each camera takes a picture timely staggered, and a time for opening the shutter of each cameras is set to be a shorter than one field time of said each camera. Also, disclosed is an apparatus for taking a slow motion picture, which comprises: a plurality of cameras each having a shutter, arranged so that each of them can take an image with a similar view; means for setting the opening time of the shutter, which sets the timing for opening the shutter of each camera to be staggered so that each camera takes a picture timely staggered, and which makes the picture taken by each camera shorter than one field time of said each camera; and a recorder which records the pictures taken by each camera.

Process and apparatus for taking slow motion picture, and process and apparatus for taking and playing slow motion picture

A three-dimensional image optical system including at least an elementary image optical subsystem constructed with plural afocal optical elements which include the first and the second optical components, wherein the plural afocal optical elements are aligned in a planar arrangement. The variety of the focal length to satisfy the afocal property is realized with the combination of the first optical components and the second optical components, that results in to provide the flexibility of the depth magnification, by which a remote observation is possible.

Three-dimensional image optical system

An image display panel that is composed of a plurality of picture elements aligned in a form of a matrix wherein picture elements consist of red, green and blue color cells corresponding to three primary colors and a picture element wherein three color cells are placed in an order of a red cellR, a green cellG and a blue cellB from a peripheral to the other peripheral and the other picture elements where three color cells are placed in an order of a blue cellB, a green cellG and a red cellR from a peripheral to the other peripheral are alternatively arranged in the vertical direction to the direction of the arrange of the cells in the picture element has been proposed. The invention can improve the picture quality of image display panel.

Image display panel

In a liquid crystal projector device, a first polarization beam splitterseparates an entering green light into first and second green lights perpendicular to each other, and a first liquid crystal elementmodulates the first green light via a second polarization beam splitter. Also, in the device of the present invention, while a first half-wave platerevolves 90 degree a polarized plane of the second light separated by the first polarization beam splitter, a second liquid crystal elementmodulates the second green light via a third polarization beam splitter, a second half-wave platerevolves 90 degree a polarized plane of the second light transmitted through the third polarization beam splitter, and a fourth polarization beam splittertransmits the first green light transmitted through the second polarization beam splitterand reflects the second green light form the second half-wave plate

Liquid crystal projector device

An optical processing unit comprises a dichroic filter to filtrate a green-colored light off a white light, a polarizer to selects a certain linearly polarized light component from the filtrated green-color light and a dichroic mirror to resolve the light into two lights as the first light beam and the second light beam divided at a predetermined wave length, two beam splitters to change the propagation direction of the light beams, liquid crystal devices to reflect the light beams thereon, reflective image superimposing devices to superimpose image information in the reflection onto two image lights and a dichroic mirror to compose these two image lights into an identically single image light which directs toward a direction in a single optical axis. This invention can provide an optical process unit that realizes a high fidelity stereo image display system wherein the pixel-shifted image generation and the stereo image display are compatible.

Optical process unit, image generation system using the same and optical process method of the same

A projecting a plurality of red pixels, green pixels, and blue pixels to display a color image on a screen. First and second green pixels differing in their positions correspond to red and blue pixels projected on the screen.

Projection device having first and second green-light modulation means

In a three-dimensional imaging device, plural optical fibers which are provided with a lens characteristic by a refractive index distribution which is not uniform in a radial direction, such as a square-law characteristic, and which has the same length are configured so that the length &thgr; is an odd-number multiple of a half period of an optical path, and both ends of the optical fibers are arranged in the same two-dimensional manner. The configuration is used in a plural number so that a three-dimensional object is three-dimensionally imaged and the image is transmitted.

Optical three-dimensional imaging device which uses an integral photography technique

An autostereoscopic image apparatus for picking-up an autostereoscopic image and optically transmitting and displaying the autostereoscopic image. The autostereoscopic image apparatus is constructed by an assembly of a plurality of optical fibers each having an equal length and a lens function. The length of each of a plurality of optical fibers is equal to a length that is integer times as long as one period of an optical path in the optical fiber. The first edge surface of each of a plurality of optical fibers is located on the same plane and forms the first edge surface of the optical fiber assembly. The second edge surface of each of a plurality of optical fibers is located on the same plane and forms the second edge surface of the optical fiber assembly. An arrangement at the first edge surface of the optical fiber assembly at the edge surfaces of a plurality of optical fibers and an arrangement at the second edge surface are equal. An object is picked-up on the first edge surface side of the optical fiber assembly. The picked-up image is transmitted to the second edge surface of the optical fiber assembly and is displayed on the second edge surface side of the optical fiber assembly.

Growing community of inventors

Tokyo, Japan

Fumio Okano