| Patent Number |
Title Of Patent |
Date Issued |
| 7616382 |
Image observation apparatus and image observation system |
November 10, 2009 |
| The image observation apparatus includes a first image-forming element and a second image-forming element each of which forms an original image, and an optical system configured to introduce light fluxes from the first and second image-forming elements to an exit pupil position of the op |
| 7567385 |
Head-up display device with curved optical surface having total reflection |
July 28, 2009 |
| A display device for displaying information is provided with an optical system for guiding the light of the display device to the eye, the optical system having, in the order in the proceeding direction of the light, an entrance face for receiving the light, a curved face for totally |
| 7538950 |
Display device |
May 26, 2009 |
| A display device for displaying information is provided with an optical system for guiding the light of the display device to the eye, the optical system having, in the order in the proceeding direction of the light, an entrance face for receiving the light, a curved face for totally |
| 7505207 |
Display device |
March 17, 2009 |
| A display device for displaying information is provided with an optical system for guiding the light of the display device to the eye, the optical system having, in the order in the proceeding direction of the light, an entrance face for receiving the light, a curved face for totally |
| 7495836 |
Display device |
February 24, 2009 |
| A display device for displaying information is provided with an optical system for guiding the light of the display device to the eye, the optical system having, in the order in the proceeding direction of the light, an entrance face for receiving the light, a curved face for totally |
| 7484862 |
Light source apparatus and image display apparatus |
February 3, 2009 |
| A light source apparatus is disclosed which is capable of emerging predetermined linearly polarized light while a loss of light amount is reduced. The light source apparatus comprises plural light-emitting elements which are disposed so that their light-emitting surfaces face the dir |
| 7420751 |
Compact optical apparatus for head up display |
September 2, 2008 |
| In a head up display apparatus adapted to be mounted on a head in the goggle type or the head gear type and enable a video image to be observed, wherein an original image is directed to an eyeball through a reflecting optical system to enable the image to be observed, one or more mem |
| 7388719 |
Camera system |
June 17, 2008 |
| Disclosed is a camera system equipped with a pair of photographing systems and a drive mechanism. Each of the pair of photographing systems of the camera system is equipped with an image pickup element and a zoom lens for forming an object image on the image pickup element. The entrance |
| 7355795 |
Head-up display device with curved optical surface having total reflection |
April 8, 2008 |
| A display device for displaying information is provided with an optical system for guiding the light of the display device to the eye, the optical system having, in the order in the proceeding direction of the light, an entrance face for receiving the light, a curved face for totally |
| 7345822 |
Head-up display device with curved optical surface having total reflection |
March 18, 2008 |
| A display device for displaying information is provided with an optical system for guiding the light of the display device to the eye, the optical system having, in the order in the proceeding direction of the light, an entrance face for receiving the light, a curved face for totally |
| 7262919 |
Head-up display device with curved optical surface having total reflection |
August 28, 2007 |
| A display device for displaying information is provided with an optical system for guiding the light of the display device to the eye, the optical system having, in the order in the proceeding direction of the light, an entrance face for receiving the light, a curved face for totally |
| 7253960 |
Head-up display device with rotationally asymmetric curved surface |
August 7, 2007 |
| A display device for displaying information is provided with an optical system for guiding the light of the display device to the eye, the optical system having, in the order in the proceeding direction of the light, an entrance face for receiving the light, a curved face for totally |
| 7206135 |
Image observing apparatus |
April 17, 2007 |
| An image observing apparatus has two light sources, a scanning mirror upon which light beams from the two light sources are incident in common, and two optical systems. The two optical systems respectively lead the light beams emitted from the two light sources and scanned by the scannin |
| 6980363 |
Image observation apparatus and system |
December 27, 2005 |
| An image observation system includes a pair of image observation devices for the left and right eyes of an observer. Each of the image observation devices includes an image pickup system which forms an image on a image pickup device using an image pickup optical system, and a display sys |
| 6687057 |
Image display apparatus having rotationally asymmetric phase distribution |
February 3, 2004 |
| A prism body has three or more optical surfaces, inclusive of a decentered optical surface with curvature, and has a positive refractive power. The optical surfaces include a diffracting surface having a rotationally asymmetric phase distribution, or the optical surfaces include a di |
| 6532116 |
Compact optical apparatus for head up display |
March 11, 2003 |
| A head up display apparatus adapted to be mounted on a user's head in a goggle type or head gear type arrangement and enable a video image to be observed, wherein an original image is directed to an eyeball through a reflecting optical system to enable the image to be observed, and one o |
| 6480337 |
Image display apparatus |
November 12, 2002 |
| An image display apparatus has a light source, a reflective display device, an illumination optical system for guiding light from the light source to the display device to illuminate the display device, and a display optical system for guiding the light reflected by the display device to |
| 6384983 |
Image display apparatus |
May 7, 2002 |
| An image display apparatus has a display device for displaying image information and an optical system for guiding light from the display device to the eye. The optical system has a prism body of a positive refractive power including three or more surfaces with refractive powers diff |
| 6239915 |
Composite display apparatus |
May 29, 2001 |
| A composite display apparatus has a display device for displaying image information, a display optical system for guiding light from the display device to the eye of an observer, and an image pickup optical system for focusing light from the outside on an image pickup device. An optical |
| 6191892 |
Image display apparatus |
February 20, 2001 |
| This specification discloses an image display apparatus of the see-through type having display means for displaying an image on a display surface, an image observation optical system for re-imaging the image forwardly of an observer, an exterior scene observation optical system for obser |
| 6130672 |
Image processing apparatus |
October 10, 2000 |
| In a viewpoint detector instructions for a virtual 3-dimensional space are processed by an image processor. A virtual 3-dimensional spatial image is displayed in a field of view, and a viewpoint position of an operator in the field of view is detected. The 3-dimensional spatial image is |
| 6094241 |
Composite display apparatus using an LCD, optical path separator, and CCD |
July 25, 2000 |
| The present invention relates to a compact, composite display apparatus capable of simultaneously establishing a display optical system and an image-pickup optical system or a seethrough optical system without parallax, which has the following structure. The apparatus comprises a dis |
| 6023373 |
Reflective image display apparatus |
February 8, 2000 |
| The present invention relates to an image display apparatus suitable for a head mounted display which apparatus has been made compact as a whole by the use of a reflection type liquid crystal display element. The apparatus has a first optical element which has an incidence surface on whi |
| 5933279 |
Optical apparatus |
August 3, 1999 |
| An optical apparatus includes a display for displaying image information, a display optical system having a plurality of reflection surfaces for guiding a light beam from the display to an eyeball of an observer, an image sensor, an image pickup optical system having a plurality of r |
| 5706136 |
Optical system, and image observing apparatus and image pickup apparatus using it |
January 6, 1998 |
| The present invention relates to an optical system apparatus, which has a first surface symmetric with respect to only one symmetry plane and a second surface symmetric with respect to only the symmetry plane, in which the first plane is a reflective, concave surface and is inclined rela |
| 5689736 |
Image observation apparatus |
November 18, 1997 |
| The present invention relates to an image observation apparatus which comprises an optical system having a plurality of reflecting surfaces and a positive refracting power to guide light from an image to an observer and a visual axis detection system including a light source for illu |
| 5018845 |
Photographic system for stabilizing an image including two positive lens groups, each group incl |
May 28, 1991 |
| A device for stabilizing an image includes first and second lens groups having a positive refractive power. The second lens group is disposed on an image surface side of the first lens group. Both the first and second lens groups contain at least one positive lens and at least one negati |
