| Patent Number |
Title Of Patent |
Date Issued |
| 7165894 |
Polishing fixture |
January 23, 2007 |
| An end face polishing apparatus with improved polishing precision regardless of the length of ferrules when end faces of the ferrules are polished is provided. In an end face polishing apparatus polishing a rod-shaped member mounted at a polishing fixture by pressing the rod-shaped m |
| 7153035 |
Optical connector plug and optical connector |
December 26, 2006 |
| Disclosed are an optical connector plug and an optical connector, wherein the grip member includes an inner barrel and an outer barrel, which are freely slid with respect to each other, the grip member having a reduction state where the inner barrel is accommodated in the outer barre |
| 7118291 |
End face polishing apparatus |
October 10, 2006 |
| An end face polishing apparatus has a support member mounted on the main body for undergoing revolving and rotational movement during a polishing operation, a tubular member mounted on the support member for rotation and revolving movement therewith, a lapping member mounted on the suppo |
| 7118284 |
Optical connector plug, optical connector adapter and optical connector |
October 10, 2006 |
| An optical connector adapter has a tubular sleeve having opposite open ends each for receiving a ferrule supporting an optical fiber to bring front end faces of the ferrules into contact with each other to optically connect together the optical fibers. An adapter housing supports therein |
| 7118283 |
Optical connector plug, optical connector adapter and optical connector |
October 10, 2006 |
| To provide an optical connector promoting reliability by reducing insertion loss of an optical fiber and downsized, there is provided an optical connector plug having a ferrule including a cylindrical member for the ferrule for holding an optical fiber and a flange member provided at |
| 7093983 |
Optical connector plug and optical connector |
August 22, 2006 |
| Provided are an optical connector plug and an optical connector, including: a shielding plate which is held in a plug frame holding hole of a plug housing in a manner that allows the shielding plate to tilt, the distal end of the shielding plate moving between a shielding position an |
| 7090409 |
Optical functioning component and optical connector having optical functioning component |
August 15, 2006 |
| An optical functioning component has a tubular housing with a front end side having substantially the same shape as that of a front end of a removable plug housing of an optical connector plug. A rear end side of the tubular housing has a shape configured for connection to the optical |
| 7001080 |
End face polishing method |
February 21, 2006 |
| An end face polishing method provides an end face polishing apparatus having a main body, a jig board mounted on the main body and supporting at least one workpiece, a polishing board mounted on the main body for undergoing rotational and revolving movements relative to the main body, |
| 6981908 |
Ferrule polishing control machine, ferrule polishing method, and ferrule polishing computer prog |
January 3, 2006 |
| A ferrule polishing control machine has a ferrule type input part for selecting one type of ferrule from various ferrule types stored in a computer. A ferrule end face shape input part selects one type of ferrule end face shape from various types of ferrule end face shapes stored in |
| 6940934 |
Synchronizing signal processing circuit |
September 6, 2005 |
| A synchronizing signal processing circuit for use in a video apparatus such as a display apparatus and an information recording/reproducing is disclosed. The synchronizing signal processing circuit is capable of not only removing false synchronizing pulses included in incoming synchr |
| 6908233 |
Optical connector plug, optical connector adapter and optical connector |
June 21, 2005 |
| To provide an optical connector promoting reliability by reducing insertion loss of an optical fiber and downsized, there is provided an optical connector plug having a ferrule including a cylindrical member for the ferrule for holding an optical fiber and a flange member provided at a |
| 6886990 |
Optical connector |
May 3, 2005 |
| An optical connector has a ferrule comprises of a cylindrical body for supporting an optical fiber, and a flange member having an end portion connected to a first end of the cylindrical body and a flange part projecting from the end portion. A holding member supports the ferrule and |
| 6864923 |
Edge correction circuit |
March 8, 2005 |
| In an edge correcting circuit of an image to be represented by a digitized image signal, a high-frequency signal extracting circuit (5) extracts a high-frequency signal of the image by calculation based on a signal of a target pixel, a signal of a pixel shifted from the target pixel by m |
| 6830501 |
End face polishing device |
December 14, 2004 |
| An end face polishing device has a first revolution shaft mounted for undergoing revolving movement about a first axis, a rotational shaft mounted for undergoing rotation about a second axis eccentric from the first axis, and a second revolution shaft mounted for undergoing revolving |
| 6817931 |
End face polishing apparatus |
November 16, 2004 |
| An end face polishing apparatus has a lapping board mounted to undergo rotation and revolving movement, a lapping member having a polishing surface and disposed on the lapping board for rotation and revolving movement therewith, a polishing fixture for supporting a workpiece having a |
| 6814651 |
End face polishing machine and method of polishing rod-shaped member |
November 9, 2004 |
| An end face polishing machine has a jig plate for supporting at least one workpiece. A polishing plate is mounted to undergo rotation and revolving movement. A polishing sheet is disposed over the polishing plate for rotation and revolving movement therewith. An elastic member having a |
| 6755719 |
End surface polishing device and end surface polishing method |
June 29, 2004 |
| An end surface polishing device and an end surface polishing method capable of controlling the polishing amount of the rod-shaped members and shortening the polishing processing time are disclosed. The end surface polishing device for polishing a rod-shaped member attached to a holder in |
| 6754786 |
Memory control circuit and method for arbitrating memory bus |
June 22, 2004 |
| A memory control circuit for controlling a memory bus and a memory includes buffers, counters, data transfer circuits, and a bus arbiter having a state machine. Each of the data transfer circuits transmits a request signal demanding start of the data transfer on the basis of at least one |
| 6744444 |
Circuit for detecting valid range of video signal |
June 1, 2004 |
| A circuit for detecting a valid range of a video signal, has a detection window signal generator for generating a detection region window signal which has a low level during at range of time containing a point of time when the vertical sync signal changes its level or another point of ti |
| 6741337 |
End face polishing apparatus and method of polishing end face |
May 25, 2004 |
| An optical fiber end face polishing apparatus has an inspection unit for introducing light into the optical fiber and detecting light from an end of the optical fiber, a moving unit for relatively moving the polishing member and the optical fiber in three directions and in a rotating |
| 6736702 |
End face polishing machine |
May 18, 2004 |
| An end face polishing machine having a polishing board supported on a machine body, and an optical fiber retaining jig, and adapted to polish a free end portion of an optical fiber retained by the jig, to the shape of a wedge by a polishing member fixed to the polishing board, the machin |
| 6736551 |
End face polishing apparatus |
May 18, 2004 |
| An end face polishing apparatus has a support member mounted for undergoing rotational movement. A tubular member is mounted on the support member for rotation therewith. The tubular member has a first surface connected to a main surface of the support member and a second surface extendi |
| 6727956 |
Sync signal generator circuit for generating stable period sync signals |
April 27, 2004 |
| A sync signal generator circuit including a first counter which is reset each time it detects a reference edge of the input sync signal, a first register for holding a first value immediately before the first counter is reset, a reset signal generator for generating reset pulses, a secon |
| 6722945 |
Endface polishing method and endface polishing apparatus |
April 20, 2004 |
| The invention is an endface polishing method and an endface polishing apparatus improving polishing accuracy of an optical fiber and making polishing time and polishing work shorten. Polishing is performed making a boundary line center axis while observing the boundary line of brightness |
| 6533468 |
Universal optical fiber connectors and basic plugs thereof |
March 18, 2003 |
| An optical fiber connector assembly has a holding member and a housing having a cavity for receiving the holding member. The holding member has a first surface, a second surface, grooves formed in the first surface for holding respective ferrules each supporting an optical fiber element, |
| 6476824 |
Luminance resolution enhancement circuit and display apparatus using same |
November 5, 2002 |
| A luminance resolution enhancement circuit receives an (m+n) -bit image signal having an m-bit displayable component and an n-bit non-displayable component. An address generating element generates relative spatial and temporal coordinates of the pixel values in the image signal. For each |
| 6471570 |
End surface polishing machine |
October 29, 2002 |
| An end surface polishing drive mechanism has a first rotational shaft mounted for undergoing rotation about a first axis and for undergoing revolving movement about a second axis. The first rotational shaft has a first end for connection to a polishing device to undergo rotation ther |
| 6449409 |
End-face lapping apparatus and method of lapping |
September 10, 2002 |
| An end-face lapping apparatus, comprises a rod member W supported on an apparatus main body by a support mechanism through a fixing jig board. A lapping board has a lapping member for lapping the rod member and is rotatably swingably supported on the apparatus main body by a drive me |
| 6439973 |
Polishing device, end face polishing apparatus having polishing device, and end face polishing m |
August 27, 2002 |
| An end face polishing apparatus in which whereas a jig board mounted with a rod-like member is supported by an apparatus main body by a supporting mechanism, a polishing board mounted with a polishing member for polishing the rod-like member is supported by the apparatus main body rotata |
| 6431783 |
Optical fiber connecting structure and connecting member for connecting an optical fiber cable t |
August 13, 2002 |
| An optical fiber connector for connecting an optical fiber cable to a ferrule comprises a tubular body having a first end portion for connection to a peripheral surface of a ferrule, a second end portion for connection to a peripheral surface of an optical fiber cable, a step portion |
| 6419401 |
Optical connector ferrule |
July 16, 2002 |
| A ferrule for use in an optical connector enabling effective suppression of the increase in the insertion loss resulting from repeated attachments/detachments of the optical connector. In the ferrule for use in the optical connector, a plurality of grooves 17 are formed in a fitting |
| 6302773 |
Polishing device, end face polishing apparatus having polishing device, and end face polishing m |
October 16, 2001 |
| An end face polishing apparatus comprises a polishing board and a jig board for supporting workpieces. A polishing member is detachably arranged on the polishing board and has a polishing film for polishing end faces of the workpieces while the workpieces are supported by the jig board. |
| 6280293 |
End face polishing apparatus and method for polishing end face of ferrule |
August 28, 2001 |
| An end face polishing apparatus comprises a jig plate for supporting a workpiece, a polishing member for polishing an end face of the workpiece, and a movable lever connected to the jig plate. A pressurizing section presses the lever to bring the end face of the workpiece into pressure |
| 6224270 |
Universal optical fiber connectors and basic plugs thereof |
May 1, 2001 |
| A universal optical fiber connector comprises a ferrule for supporting an optical fiber and having an axis extending in an axial direction of the ferrule, a biasing member comprised of a synthetic elastic material for biasing the ferrule in the axial direction, and a securing member for |
| 6151432 |
Universal optical fiber connectors and basic plugs thereof |
November 21, 2000 |
| Universal optical fiber connectors and their basic plugs, wherein the optical fiber connectors have some common elements for their connector-functions to permit an installation of optical fiber into one of the different type connectors for establishing their connection more easily an |
| 6126519 |
Method of grinding ferrule for inclined PC connector |
October 3, 2000 |
| In a method of grinding a ferrule, a ferrule is provided having a leading end portion having a surface disposed generally perpendicular to a longitudinal axis of the ferrule. A grinding device is provided having a rotational base, an elastic member disposed on the base for rotation t |
| 6113469 |
Method of polishing ferrule for optical connector into convex spherical surface |
September 5, 2000 |
| A method of polishing the end face of a ferrule on an optical connector comprises providing a polishing sheet containing abrasive grains and providing a polishing fluid containing abrasive grains having a hardness greater than that of the abrasive grains of the polishing sheet. The end |
| 6110013 |
End-face polishing and cleaning apparatus |
August 29, 2000 |
| An end-face polishing and cleaning apparatus comprises at least one jig plate for supporting ferrules each fixed to an end of a respective optical fiber. At least one set of a polishing machine and a cleaning machine is provided for polishing and cleaning the end-faces of the ferrules wh |
| 6091396 |
Display apparatus and method for reducing dynamic false contours |
July 18, 2000 |
| A display apparatus has code conversion assembly for converting a video signal into a coded signal comprised of a plurality of bits, each indicating a combination of luminescence and non-luminescence in the plurality of sub-fields. The plurality of sub-fields includes at least one su |
| 5961374 |
Method and apparatus of polishing end surfaces of rod-shaped members |
October 5, 1999 |
| A polishing apparatus comprises a holder having rod-shaped members each having an end portion to be polished. The rod-shaped members are positioned on the holder so that respective distances between the rod-shaped members and a center of the holder are different from one another. Whe |
| 5889909 |
Ferrule for optical connector |
March 30, 1999 |
| A ferrule for optical connectors which is of funnel type comprising a ferrule body, containing a small-diameter hole and a large-diameter hole having a larger diameter than the small-diameter hole, the small-diameter hole and the large-diameter hole being formed so as to allow an optical |
| 5796425 |
Elimination of the effect of difference in vertical scanning frequency between a display and a c |
August 18, 1998 |
| An imaging system that images a raster-scanned display receives the vertical synchronizing signal of the raster-scanned display, and has a synchronizing signal generator for generating the vertical synchronizing signal of the imaging system. According to a first aspect of the inventi |
| 5793340 |
Image correction apparatus |
August 11, 1998 |
| An adjustment reference point is defined as a point on a screen on which a corresponding adjustment point of an image is projected when the image projected by a CRT system video projector is assumed to have no raster distortion. An image correction apparatus of this invention produces a |
| 5742698 |
Automatic image adjustment device |
April 21, 1998 |
| To provide an automatic image adjustment device that can automatically detect the display positions, display state, and the like of a test pattern displayed on a screen, the imaging angles of the mirror to image an adjustment pattern displayed at the positions corresponding to the ve |
| 5623316 |
On-screen display apparatus and on-screen display method |
April 22, 1997 |
| In an on screen display apparatus and an on-screen display method, the number of scanning lines of an input signal is detected. In accordance with the result of the detection, a vertical dot number of a character to be displayed is determined and font data is read from a memory device |
| 5576149 |
Method for producing a tapered waveguide |
November 19, 1996 |
| A method for producing a tapered waveguide layer is disclosed. The method includes the steps of: forming a resist pattern on a substrate; setting the substrate in an apparatus for forming a film such that particles constituting the film reach the substrate from a direction which is o |
| 5506481 |
Registration error correction device |
April 9, 1996 |
| A device for digital convergence correction of raster distortion correction of a picture displayed on a screen of a display device using a cathode-ray tube, in which scanning lines include a first class of scanning lines, called correction scanning lines, on which correction points are |
| 5428584 |
Pickup device for a magneto-optical information recording system |
June 27, 1995 |
| An optical information reproducing device includes a light source for generating a light beam, an optical system for converging the light beam generated by the light source on a magneto-optical recording medium on which recording information is recorded and for converging a return light |
| 5410623 |
Optical device having two optical waveguides connected and a method of producing the same |
April 25, 1995 |
| An optical device includes: a first dielectric slab waveguide having an effective refractive index N.sub.1 ; a second dielectric slab waveguide having an effective refractive index N.sub.2 ; and a third dielectric slab waveguide having a length 1 and an effective refractive index N.sub.3 |
| 5410622 |
Optical integrated circuit having light detector |
April 25, 1995 |
| An optical integrated circuit is disclosed. The optical integrated circuit includes: a dielectric waveguide having at least a waveguide layer for transmitting light in a first direction; a first reflector for reflecting the light in a substantially opposite direction to the first directi |
