| Patent Number |
Title Of Patent |
Date Issued |
| 7345713 |
Video display apparatus for correcting luminance difference between display pixels |
March 18, 2008 |
| An analog-to-digital converter converts a video signal into a digital video signal consisting of N bits and outputs the converted signal. A correction value memory stores correction data consisting of M bits which is used to correct the difference in luminance between display pixels on |
| 6724545 |
Image pickup lens and design method thereof |
April 20, 2004 |
| Provided in the present invention are an image pickup lens and a design method thereof which can achieve miniaturization of the system and capable of remarkably improving the optical characteristic with a simple structure. By forming a second face on the image pickup surface side of a |
| 6600525 |
Electronic component having a liquid crystal display and holding a built-in battery |
July 29, 2003 |
| In an electronic component including an outer housing and a control unit inserted within the outer housing, the control unit includes a base, a printed circuit board mounted on the base, a battery holder mounted on the base for removably holding a coin-shaped battery which includes termi |
| 6546900 |
Variable compression ratio mechanism for reciprocating internal combustion engine |
April 15, 2003 |
| A variable compression ratio mechanism for a reciprocating engine includes a connecting rod split into upper and lower connecting rod portions linked to each other through a first connecting pin. A rockable arm is oscillatingly linked at one end to the lower connecting rod portion th |
| 6516757 |
Internal combustion engine with a supercharger and an improved piston crank mechanism |
February 11, 2003 |
| A supercharged internal combustion engine is provided with a double-link type piston crank mechanism connecting between a piston and a crankshaft. The piston crank mechanism causes the piston to move at a speed which is smaller around a top dead center (TDC) and larger around a bottom de |
| 6390035 |
Reciprocating internal combustion engine |
May 21, 2002 |
| A variable compression-ratio, multiple-link type reciprocating internal combustion engine has at least three links, namely an upper link, a lower link and a third link, for each engine cylinder. The upper link is connected to a piston pin, the lower link connects the upper link to a |
| 6384881 |
Surface light source device of side light type and liquid crystal display |
May 7, 2002 |
| A liquid crystal display including includes a surface light source device of side light type for backlighting a liquid crystal panel. A primary light source supplies light to a guide plate. Emission from an emitting face impinges on a polarization separating element through a prism sheet |
| 6345899 |
Surface light source device of side light type |
February 12, 2002 |
| In a surface light source device of side light type comprising a light guide plate having two major surfaces providing an emission surface and a back surface and a primary light source for supplying irradiation light containing short-wavelength component (blue component) and long-wavelen |
| 6290364 |
Surface light source device |
September 18, 2001 |
| A light incident into a wedge type light scattering conducting element from a light incident surface of the light scattering conducting element is converted into a light flux having a directionality and is output from a light output surface. The output light is input to a wedge type emit |
| 6275338 |
Light regulation device |
August 14, 2001 |
| A light regulation element regulates both the travelling direction and diffusion state of a light emitted from a surface light source device. Lights from a cylindrical light source 2 such as a cold cathode tube is introduced in a light guide 1. The light guide 1 has an emission surface |
| 6238793 |
Method for production of a low density polyethylene-lamellar silicate composite material |
May 29, 2001 |
| The present invention is a low-density polyethylene-lamellar silicate composite material, and a manufacturing method thereof. |
| 6190457 |
CVD system and CVD process |
February 20, 2001 |
| Provided are a CVD system and a CVD process which can grow excellent compound semiconductor thin films of two or more components having least defects and which enjoy high source gas utilization efficiency and increased productivity. According to the CVD system and the CVD process, at |
| 6172809 |
Surface light source device with polarization function |
January 9, 2001 |
| Light is supplied into a light incident surface 2 from a fluorescent lamp L enclosed by a silver foil sheet R, and parallelized illuminating light flux is taken out from a light exit surface 3. On a back surface 4 side of a light flux parallelizer 1, across or without a thin air layer 5, |
| 6049649 |
Surface light source device of side-light type |
April 11, 2000 |
| A surface light source device of side-light type enables concentrated output of illumination light to a frontal direction. A flux having clear directivity is outputted from window portions 1w on an emitting surface 5 of a light guide plate 1 with emitting directivity. This flux is re |
| 6027220 |
Surface light source device outputting polarized frontal illumination light |
February 22, 2000 |
| The invention is a surface light source device capable of effectively producing polarized illumination light. The output angle of a representative beam C3 representing P-polarized component of output light from an emission surface 5 of the light guide plate 1 is about 75.degree.. Whe |
| 5982540 |
Surface light source device with polarization function |
November 9, 1999 |
| Light is supplied into a light incident surface 2 from a fluorescent lamp L enclosed by a silver foil sheet R, and parallelized illuminating light flux is taken out from a light exit surface 3. On a back surface 4 side of a light flux parallelizer 1, across or without a thin air layer 5, |
| 5899552 |
Surface light source device |
May 4, 1999 |
| A light incident into a wedge type light scattering conducting element from a light incident surface of the light scattering conducting element is converted into a light flux having a directionality and is output from a light output surface. The output light is input to a wedge type emit |
| 5833344 |
Surface light source device of dual light flux generation |
November 10, 1998 |
| A method of generating a dual light flux, and a surface light source device for use in a display with a dual preferential viewing direction. Light of a fluorescent lamp is introduced from a light incidence surface to inside of a wedge shape light scattering guide with exiting directivity |
| 5818555 |
Surface light source device |
October 6, 1998 |
| A surface light source device having a light conducting member made of a transparent material, a light source disposed on the light incident edge surface of the light conducting member, a light diffusing member disposed on a front surface (light emitting surface) side of the light conduc |
| 5684630 |
Polarization converter |
November 4, 1997 |
| A polarization converter P free from any particular limitation in the polarization direction of incident light or wavelength dependence, and large in the degree of freedom of selection of material is composed of polarization conversion unit P1, its united block, or combination or the |
| 5659410 |
Surface light source device and liquid crystal display |
August 19, 1997 |
| A wedge shaped parallelized light flux element made of a light scattering guide of an emitting directionality has a specified ranged effective scattering irradiation parameter and correlation distance "a". A light incident into the parallelized light flux element from a fluorescent lamp |
| 5448942 |
Engine piston |
September 12, 1995 |
| A piston is free to slide in an engine cylinder, this piston comprising a piston head of circular cross-section, a skirt formed such that it is continuous with the lower part of said piston head, a piston pin passing through the skirt, and a connecting rod connected via this piston pin. |
| 5193436 |
Engine piston |
March 16, 1993 |
| This invention relates to the shape of a skirt below the piston head of a piston in an engine cylinder and continuous with it. The skirt has a basic configuration comprising at least two type of elliptical horizontal cross-section with a short axis parallel to said piston pin, and a |
| 5107807 |
Piston for internal combustion engine |
April 28, 1992 |
| A piston for an internal combustion engine comprises a skirt portion formed with a piston pin hole. The skirt portion includes in an axial direction of the piston a first portion upper than an axis of the piston pin hole, and a second portion lower than the axis thereof. The first portio |
| 5035210 |
Piston assembly of internal combustion engine |
July 30, 1991 |
| A piston assembly of an internal combustion engine is provided with a piston structure with which oil comsumption is suppressed. A piston of the assembly is disposed inside each cylinder wall of the engine and formed with a top land and the second land. A compression ring groove is forme |
| 4934347 |
Variable compression piston arrangement for internal combustion engine |
June 19, 1990 |
| The pressure prevailing in a variable volume chamber which controls the compression ratio developed by a piston, is used control the movement of a valve which regulates the supply and draining of the chamber. During high load the high pressure is used to drain the chamber while under lig |
| 4809650 |
Variable compression control arrangement for internal combustion engine |
March 7, 1989 |
| To induce high compression engine operation hydraulic fluid is fed into a variable volume chamber defined between an outer piston and an inner one which is reciprocatively disposed therein via a supply passage which includes a one-way valve. When low compression engine operation is r |
| 4801539 |
Fermentation method for producing hyaluronic acid |
January 31, 1989 |
| Streptolysin-free hyaluronic acid is produced by cultivating a microorganism belonging to a genus Steptococcus which is anhemolytic and is capable of producing hyaluronic acid (e.g., Streptococcus zooepidemicus FERM BP-784) in a culture medium. |
| 4468171 |
Method of controlling air flow rate of fan |
August 28, 1984 |
| The air flow rate of a fan driven by a motor controlled by an adjustable speed control equipment is automatically controlled by stopping the adjustable speed control equipment in response to a fault signal therefrom during operation with an inlet vane installed upstream of the fan in ful |
