| Patent Number |
Title Of Patent |
Date Issued |
| 7433121 |
Projection type image display apparatus |
October 7, 2008 |
| A screen is hung from a screen frame with hanging members bonded to the upper side of a front sheet. Supporting members are disposed on the lower side of the front sheet and, by mounting a Fresnel lens sheet on the supporting members, a tension is given by its weight to the front sheet |
| 7404646 |
Projection lens apparatus and rear projection type image display apparatus |
July 29, 2008 |
| A projection lens apparatus includes a plurality of lenses, for enlarging and projecting, onto a screen, an original image displayed on an image generation source. The plurality of lenses are arranged, beginning with the lens nearest the screen, as first to sixth lens groups. The fourth |
| 7397683 |
Associative memory having a mask function for use in a network router |
July 8, 2008 |
| When one or more storage data are coincident with single search data (12), an associative memory (1) carries out logical sum for all of storage data with a valid state for storage data as true. The result of logical sum is used as matched data logical-OR information. In a primary searchi |
| 7397682 |
Associative memory having a mask function for use in network devices and network system |
July 8, 2008 |
| An associative memory carries out a search operation in plural fields. The search data 3-1 through 3-r in fields, r in number, are supplied to the primary associative memories 20-1 through 20-r. The i-th primary associative memory 20-i carries out the search operation, produces the p |
| 7347566 |
Projection lens unit and rear projection type image display system |
March 25, 2008 |
| An inexpensive projection lens unit in a rear projection type image display system, having a short focal distance (wide angle of viewing field), high focus and high contrast, and as well, including a power lens made of a glass material having a high refractive index in a range from 1 |
| 7287120 |
Associative memory and its retrieving method and router and network system |
October 23, 2007 |
| An associative memory 4 for primary searching operation of an associative memory 23 supplies a valid state to a primary match line 13 corresponding to storage data coincident with search data 10 taking mask information into account, and supplies a value obtained from a result of a logica |
| 7200712 |
Associative memory system, network device, and network system |
April 3, 2007 |
| This invention needs no priority encoder to connect the plural number of associative memories. The primary searching associative memory 4 of the associative memory 204 produces the intermediate data 6 obtained after the logical sum operation for the coincident storage data in the con |
| 7172292 |
Projection lens unit and rear projection type image display system |
February 6, 2007 |
| An inexpensive projection lens unit in a rear projection type image display system, having a short focal distance (wide angle of viewing field), high focus and high contrast, and as well, including a power lens made of a glass material having a high refractive index in a range from 1 |
| 7111942 |
Reflection-type image projection unit and a reflection-type image display apparatus, and a light |
September 26, 2006 |
| In a reflection-type image projecting unit, being applicable into a reflection-type image display apparatus, being superior in contrast and achieving small-sizing of the apparatus, together with a light source for use therein, a light flux including three (3) color components, R, G and |
| 7081927 |
Optical projection apparatus, transmission type screen, and projection type image display appara |
July 25, 2006 |
| An optical projection apparatus includes an optical lighting system provided with a polarized beam splitter for polarizing white light flux from a white light source and combining the white light flux with other light fluxes, thereby taking out a predetermined polarized wave; a multi |
| 7059725 |
Reflection-type image projection unit and a reflection-type image display apparatus, and a light |
June 13, 2006 |
| In a reflection-type image projecting unit, being applicable into a reflection-type image display apparatus, being superior in contrast and achieving small-sizing of the apparatus, together with a light source for use therein, a light flux including three (3) color components, R, G and |
| 6980452 |
Associative memory having a mask function for use in a network router |
December 27, 2005 |
| An associative memory, a router and a network system incorporating an associative memory are disclosed with high speed data transfer speed and low power consumption. An associative memory is constituted of a first circuit means for conducting a primary search operation for each single |
| 6956756 |
Associative memory, method for searching the same, network device, and network system |
October 18, 2005 |
| An associative memory carries out a search operation in plural fields. The search data 3-1 through 3-r in fields, r in number, are supplied to the primary associative memories 20-1 through 20-r. The i-th primary associative memory 20-i carries out the search operation, produces the p |
| 6956624 |
Optical projection apparatus, transmission type screen, and projection type image display appara |
October 18, 2005 |
| An optical projection apparatus includes an optical lighting system provided with a polarized beam splitter for polarizing a white light flux received from a white light source and combining the white light flux with other light fluxes, thereby taking out a predetermined polarized wave; |
| 6910105 |
Associative memory having a mask function for use in a network router |
June 21, 2005 |
| When one or more storage data are coincident with single search data (12), an associative memory (1) carries out logical sum for all of storage data with a valid state for storage data as true. The result of logical sum is used as matched data logical-OR information. In a primary searchi |
| 6894729 |
Optical projection apparatus, transmission type screen, and projection type image display appara |
May 17, 2005 |
| An optical projection apparatus includes an optical lighting system provided with a polarized beam splitter for polarizing white light flux from a white light source and combining the white light flux with other light fluxes, thereby taking out a predetermined polarized wave; a multi |
| 6869184 |
Polarized-light converting unit and projector using the same |
March 22, 2005 |
| Disclosed is a polarized-light converting unit, which is excellent in contrast performance and realizes high reliability and an increase in its life, and a projector device using the converting unit. The polarized-light converting unit includes first and second polarizing beam splitt |
| 6829031 |
Liquid crystal display apparatus and optical device for use therein |
December 7, 2004 |
| For obtaining both high brightness under condition of small-sized and simplified structure and suppression of increase in temperature of liquid crystal display elements and polarizing elements, in a liquid crystal display apparatus, comprising: a liquid crystal display element 2 for |
| 6801366 |
Projection lens system and projection image display apparatus using the same |
October 5, 2004 |
| When a projection lens system used for a rear projection type image display apparatus has a first lens group having an aspherical lens surface, a second lens group, a third lens group sharing almost all the positive refractive power of the overall system, a fourth lens group having an |
| 6768594 |
Projection lens apparatus and rear projection type image display apparatus using the same |
July 27, 2004 |
| In a projection lens, there are arranged in order from a screen side, a first lens group including a meniscus lens having a convex lens surface in a central portion toward a screen with refracting power, a second lens group including a lens having a convex lens surface in a central porti |
| 6624950 |
Projection lens system and projection image display apparatus using the same |
September 23, 2003 |
| A projection lens system for enlarging and displaying on a screen an original image from an image generating source, includes a first lens having positive refractive power, a second aberration correction lens, and a third lens, positioned nearest the image generating source and having a |
| 6573950 |
Optical projection apparatus, transmission type screen, and projection type image display appara |
June 3, 2003 |
| A single-panel liquid crystal rear side projection type image display apparatus, which is compact in size and can satisfy requirements of both brightness and color purity and can focus images very sharply with the contrast property improved significantly and with less screen distortion, |
| 6570866 |
High-speed flexible longest match retrieval |
May 27, 2003 |
| A router having a high-speed and flexible longest match retrieval device is disclosed. A plurality of entries are divided into a plurality of primary retrieving circuits each retrieving a primary match mask and a primary match entry depending on a given address. The primary match masks a |
| 6542308 |
Projection display apparatus and projection lens device for use therein |
April 1, 2003 |
| A projection display apparatus having a light source for generating a white light, a liquid crystal panel for modulating an incident light from the light source, a polarizing plate which is located at a light exiting side of the liquid crystal panel for polarizing a light from the liquid |
| 6535267 |
Liquid crystal display apparatus having liquid crystal display element immersed in cooling mediu |
March 18, 2003 |
| For obtaining both high brightness under condition of small-sized and simplified structure and suppression of increase in temperature of liquid crystal display elements and polarizing elements, in a liquid crystal display apparatus, comprising: a liquid crystal display element 2 for |
| 6396641 |
Projection lens system and projection image display apparatus using the same |
May 28, 2002 |
| When a projection lens system used for a rear projection type image display apparatus has a first lens group having an aspherical lens surface, a second lens group, a third lens group sharing almost all the positive refractive power of the overall system, a fourth lens group having an |
| 6342929 |
Projection image display apparatus |
January 29, 2002 |
| The projection image display apparatus includes a plurality of image generating sources for generating three primary colors, including red, green, blue image light, respectively, and a projection lens containing a plurality of lens elements provided in correspondence with each of said |
| 6299313 |
Projection display apparatus and projection lens device for use therein |
October 9, 2001 |
| A projection display apparatus including an optical modulator for modulating an incident light from a light source, and a projection lens device for projecting the light modulated by the optical modulator. The optical modulator includes a liquid crystal panel, a cooling liquid filled |
| 6295576 |
Associative memory having a mask function for use in a network router |
September 25, 2001 |
| When one or more storage data are coincident with single search data (105), an associative memory with a shortest mask producing function carries out logical multiplication for all of mask information corresponding to the coincident storage data with a mask valid state as true. The resul |
| 6256083 |
Liquid crystal display apparatus and optical device for use therein |
July 3, 2001 |
| For obtaining both high brightness under condition of small size and simplified structure, and for achieving suppression of increase in temperature of liquid crystal display elements and polarizing elements in a liquid crystal display apparatus, a liquid crystal display element conve |
| 6243211 |
Projection lens system and projection image display apparatus using the same |
June 5, 2001 |
| When a projection lens system used for a rear projection type image display apparatus has a first lens group having an aspherical lens surface, a second lens group, a third lens group sharing almost all the positive refractive power of the overall system, a fourth lens group having an |
| 6144574 |
Associative memory with a shortest mask output function and search method |
November 7, 2000 |
| An associative memory with a shortest mask output function has data cells, mask cells, comparators for the data cells, comparators for the mask cells, a first bit lines for inputting compared bits to the data cell comparators, and a second bit lines for inputting compared bits to the |
| 6138138 |
High speed multiple determination apparatus |
October 24, 2000 |
| In a multiple determination apparatus for determining whether or not a dividend is a multiple of a divisor which is represented by D=.alpha..multidot.2.sup.r where .alpha. is an odd number and r is 0, 1, 2, . . . , a non-zero determination circuit determines whether or not a remainde |
| 6130786 |
Projection lens and image display device |
October 10, 2000 |
| An image display device which is compact on the whole and low in cost, and which uses a plurality of projection lens systems each of which is constituted by five lens groups including a first aspherical lens group, a second aspherical lens group, a third biconvex lens group, a fourth |
| 6124979 |
Projection display apparatus and projection lens device for use therein |
September 26, 2000 |
| A projection lens device for extensively projecting an original image being displayed on an image source, such as a liquid crystal panel, upon a screen, comprising in sequence from the screen: a first lens group having a negative refractive power as an entire system thereof, and includin |
| 6115081 |
Projection image display apparatus |
September 5, 2000 |
| The projection image display apparatus includes a plurality of image generating sources for generating three primary colors, including red, green, blue image light, respectively, and a projection lens containing a plurality of lens elements provided in correspondence with each of said |
| 6059216 |
Taping member supporting device for an electronic component feeding apparatus |
May 9, 2000 |
| A taping member supporting device is used in an electronic component feeding apparatus, and supports a taping member having electronic components thereon and wound around a tape reel. The supporting device includes an elongated supporting member contacting a lower side portion of the |
| 6052370 |
Moving image communication system and method for performing image communication |
April 18, 2000 |
| To increase access speed, a moving image communication system includes a transmitter for outputting a packet including a predetermined number of subpackets containing a first information and a second information, and a receiver for receiving the packet. The receiver includes a memory for |
| 6046860 |
Projection lens system and projection image display apparatus using the same |
April 4, 2000 |
| When a projection lens system used for a rear projection type image display apparatus has a first lens group having an aspherical lens surface, a second lens group, a third lens group sharing almost all the positive refractive power of the overall system, a fourth lens group having an |
| 5946142 |
Projection lens system and projection image display apparatus using the same |
August 31, 1999 |
| When a projection lens system used for a rear projection type image display apparatus has a first lens group having an aspherical lens surface, a second lens group, a third lens group sharing almost all the positive refractive power of the overall system, a fourth lens group having an |
| 5933280 |
Projection lens and image display device |
August 3, 1999 |
| An image display device which is compact on the whole and low in cost, and which uses a plurality of projection lens systems each of which is constituted by five lens groups including a first aspherical lens group, a second aspherical lens group, a third biconvex lens group, a fourth |
| 5818754 |
Nonvolatile memory having data storing area and attribute data area for storing attribute data o |
October 6, 1998 |
| A memory has a plurality of word lines WL1-8, a plurality of bit lines BL1-512 and BLa1-32, a plurality of memory cells C1-512 and Ca1-32, each of memory cells C1-512 and Ca1-32 are connected between selected one of said word lines WL1-8 and selected one of said bit lines BL1-512 and |
| 5659424 |
Projecting lens and image display device |
August 19, 1997 |
| An image display device which is compact on the whole and low in cost, and which uses a plurality of projection lens systems each of which is constituted by five lens groups including a first aspherical lens group, a second aspherical lens group, a third biconvex lens group, a fourth |
| 5600595 |
Non-volatile semiconductor device with an electrically erasable and programmable read only memor |
February 4, 1997 |
| A non-volatile semiconductor memory with an electrically erasable and programmable read only memory showing a high speed batch erasure operation is provided wherein applications of erasure pulse signals onto the memory cells are continued until the number of times of the erasure pulse si |
| 5563485 |
Equalizing mechanism in home-positioning apparatus |
October 8, 1996 |
| The equalizing mechanism includes: timing belts laid in parallel to the rails for moving on a base; timing pulleys engaged with the timing belts; timing pulleys for interlocking mounted on shafts of the timing pulleys; and a timing belt for interlocking racked between the timing pulleys |
| 5544244 |
Method for protecting an enciphered computer object code against cryptanalysis |
August 6, 1996 |
| In order to transform enciphered instructions stored in an external memory into the original ones while a microcomputer executes the same, the instructions have been enciphered and stored in the memory such as to be logically partitioned into a plurality of groups. The enciphered ins |
| 5500747 |
Ultra-wide angle liquid crystal projector system |
March 19, 1996 |
| An ultra-wide angle liquid crystal projector system comprising a light source, a liquid crystal panel, a curved screen, and a projection lens for projecting in accordance with light emitted by the light source an image formed on the liquid crystal panel onto the curved screen. The projec |
| 5479365 |
Exponentiation remainder operation circuit |
December 26, 1995 |
| An exponentiation remainder operation circuit includes a first exponentiation remainder operator for performing an exponentiation remainder operation for a n/2 bit length parameter, in which n is an even number, a second exponentiation remainder operator, a first adder/subtractor for |
| 5290081 |
Chip mounter |
March 1, 1994 |
| A chip mounter provided with an image processing system for recognizing as an image a chip sucked by a suction bit, the tip surface side of the suction bit being formed of a material which does not cause an erroneous image recognition of the image of the chip by the image processing syst |
| 5046911 |
Tray supply apparatus |
September 10, 1991 |
| A tray supply apparatus for supply trays each accommodating therein articles such as electronic components, to an article withdrawal position. Tray pallets having trays mounted respectively thereon move along an endless transport path by a plurality of arms mounted to a pair of endless |
