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| Number | Title | Issue Date |
| 6416825 | Liquid crystal composition and liquid crystal display provided with the liquid crystal composition A liquid crystal composition which contains nematic liquid crystal containing a liquid crystal ester compound and a chiral agent mainly containing an ester compound with no cholesterol rings. The liquid crystal composition exhibits a cholesteric phase in ... | 07/09/2002 |
| 6110441 | Metal oxide fiber, and production method thereof A method of producing a homogeneous metal oxide fiber having high denseness and free of voids that may adversely affect the electro-optic characteristic of the fiber, and a metal oxide fiber produced according to the method. The method comprises: a first ... | 08/29/2000 |
| 6108510 | Tandem-type image forming apparatus having full-color print mode and single-color print mode A color image forming apparatus having a plurality of image forming units, a first attraction unit and a second attraction unit for attracting a recording sheet to a transport belt, and a controller for operating the first attraction unit when a first mod... | 08/22/2000 |
| 6071018 | Film drive mechanism An electric motor 12 and a gear head 13 are located in the space inside the take-up spool 5, an output shaft 13a of the gear head 13 formed such that it has a length that accommodates the engagement length of the take-up spool only is direct-coupled to th... | 06/06/2000 |
| 6002529 | Zoom lens system A zoom lens system for use in a compact lens shutter camera has excellent optical properties at a high zoom ratio of 4-5 across the entire zoom range with a small number of lenses. The zoom lens system has, from the object side to the image side, a positi... | 12/14/1999 |
| 5953566 | Color image forming method and apparatus providing for efficient toner transfer based on toner zeta potentials A color image forming method and apparatus of the electrophotographic type with a plurality of liquid developing devices. In a plurality of liquid developing devices accommodating liquid developer comprising colored microparticles dispersed in an electric... | 09/14/1999 |
| 5898527 | Decentered lens holding structure and its positioning method A structure for holding a decentered lens inside a lens barrel, as well as an axisymmetrical lens. The structure includes: a lens barrel with a lens receiving part projecting inwardly and radially from an inner surface thereof; a decentered lens, with a f... | 04/27/1999 |
| 5892988 | Zoom lens barrel with decreased outer diameter Because the keys located on the first rotating barrel have essentially the same inner diameter as the second rotating barrel, no unnecessary space is formed inside the first rotating barrel and the second rotating barrel. In addition, although the inner d... | 04/06/1999 |
| 5870503 | Image processing apparatus using error diffusion technique An 8-bit input image data value has its range adjusted by an image range conversion lookup table and is converted into a 4-bit dither image data value f2 with a multi-value dither circuit. The converted 4-bit dither image data value f2 is error-corrected ... | 02/09/1999 |
| 5838364 | Still image reproducing apparatus saving time for still image reproductions A compact film player has a picture reproducing unit and an information reading unit capable of reading a photographing information on each frame of the film. When a developed film is fed in an inlet of the picture reproducing unit in a prescribed directi... | 11/17/1998 |
| 5778271 | Bayonet mount and photo-taking lens barrel for interchangeable lens camera system An improved bayonet mount for removably attaching the photo-taking lens barrel to a camera body in an interchangeable lens camera system, which bayonet mount includes a body-side mount surface and a lens-side mount surface which have a plurality of stop m... | 07/07/1998 |
| 5737647 | Camera A camera that emits auxiliary light for the reduction of the red-eye phenomenon and auxiliary light for distance measurement when the photo object brightness is low using a single light source, wherein when auxiliary light is emitted for distance measurem... | 04/07/1998 |
| 5729362 | Method for determining color data Density data for reproducing an image using the four colors yellow, magenta, cyan and black is based on image data pertaining to chroma, luminosity and hue. The density ratio of two color components, from the three colors yellow, magenta and cyan, is firs... | 03/17/1998 |
| 5664243 | Camera A camera divides a light beam having passed through a taking lens unit into two light beams. One light beam forms an image on a silver salt film. Another light beam forms an image on a CCD. A light path for said another light beam is provided with an aper... | 09/02/1997 |
| 5652649 | Charging device and image forming apparatus In electrophotographic image forming, there are provided a charging device and an image forming apparatus provided with the charging device for forming an image including no or less image noise by sufficiently suppressing generation of image memory due to... | 07/29/1997 |
| 5652489 | Mobile robot control system A mobile robot control system with plural mobile robots each of which moves along a predetermined route in the same area. One mobile robot gives way to the other mobile robot when the mobile robot receives a signal emitted by the other mobile robot. A mob... | 07/29/1997 |
