Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 7123784 | Electro-optic modulator with particular diffused buffer layer An electro-optic modulator (300) comprises a substrate (310) made of a material which has an electro-optic effect and a pyroelectric effect. In the substrate (310), an optical waveguide (320) is formed to have at least a pair of optical p... | 10/17/2006 |
| 7001080 | End face polishing method 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 relativ... | 02/21/2006 |
| 6883976 | Optical fiber ferrule assembly and optical module and optical connector using the same In an optical fiber ferrule assembly, a bare optical fiber, an end coating of which is removed, is inserted and fixed into the central hole of a ferrule body. By setting the distance between a boundary point at which the bare optical fiber is fixed at the rear end o... | 04/26/2005 |
| 6776534 | Optical attenuator An optical attenuator includes a holding sleeve, a pair of ferrules inserted into and fixed to the holding sleeve such that the ferrules oppose each other at base ends thereof at a predetermined distance between each base end, and an attenuating fiber inserted into ... | 08/17/2004 |
| 6724959 | Wedged and lensed optical fiber There is provided an optical fiber to be coupled to a laser diode light source. The optical fiber has a wedge-shaped lens for decreasing the influence of reflection light BR1 and returning reflection light BR2, whereby the laser diode light sou... | 04/20/2004 |
| 6563987 | Optical multiplexing/demultiplexing device with variable branching ratio and optical coupler with variable coupling ratio An optical multiplexing/demultiplexing device with variable branching ratio is disclosed. The device includes a first collimator lens assembly having a first collimator lens 14, and first and second optical fibers F1 and F2 which hav... | 05/13/2003 |
| 6483982 | Reflecting-mirror-type variable optical attenuator A reflecting-mirror-type variable optical attenuator based on a new principle is provided. A reflecting-mirror-type variable optical attenuator according to the present invention is formed of a collimator lens with optical fibers in which two optical fibe... | 11/19/2002 |
| 6341191 | Variable attenuation type optical power attenuator with latching ratchet A variable attenuation type optical power attenuator permits easier adjustment of the amount of optical attenuation and it is able to securely maintained an adjusted or set amount of attenuation. The variable attenuation type optical power attenuator empl... | 01/22/2002 |
| 6335993 | Rotary switch type optical fiber switch A rotary switch type optical fiber switch according to the present invention includes a plurality of lined-up sleeves disposed on at least one concentric circle about a reference axis and a fixed side ferrule with optical fiber mounting plate assembly for... | 01/01/2002 |
| 6307982 | Optical fiber switch An optical fiber switch of the present invention is composed of a fixed side ferrule assembly and a movable side ferrule assembly. The fixed side ferrule assembly is composed of a multiplicity of lined-up sleeves 12, a fixed side ferrule support plate 10 ... | 10/23/2001 |
| 6280099 | Optical fiber wavelength filter and manufacturing method for the same An optical fiber wavelength filter which has superior optical properties and a manufacturing method for the same are disclosed. The optical fiber wavelength filter is composed of: a pair of glass ferrules which are transparent to ultraviolet rays and whic... | 08/28/2001 |
| 6165055 | Optical fiber end surface polishing apparatus A polishing holder arm includes a polishing holder mounting/dismounting device having a base section supported by a base plate through a horizontally rotational shaft to permit the device to rotate and move upward from an approximately horizontal position... | 12/26/2000 |
| 6160929 | 2×2 optical fiber switch A 2×2 optical fiber switch has a structure that does not produce an alignment error between the position of the central axis of optical fiber assemblies with lenses and the symmetry center position of rectangular prisms, thereby obviating the need of the... | 12/12/2000 |
| 6144782 | N×2N optical fiber switch An optical fiber switch for switching N×2N (Nࣙ1) circuits is capable of mechanically switching a plurality of pairs of optical fiber circuits at the same time. The optical fiber switch moves an N (Nࣙ1) number of movable optical fibers at the same tim... | 11/07/2000 |
| 6126434 | Disk injection mold apparatus having mold opening guide means A horizontal type disk injection mold apparatus having a stationary and a movable mold base, cylindrical cavity molds provided at the center of each base, and a pair of cylindrical guide rings provided concentrically at the outer peripheries of each disk ... | 10/03/2000 |
| 6113284 | Optical fiber light source assembly and manufacturing method for the same An optical fiber light source assembly is constructed by assembling a light emitting device, a condenser lens, and a ferrule receptacle means for receiving an optical fiber ferrule in a housing. The ferrule receptacle means is adjusted on its optical axis... | 09/05/2000 |
| 6019587 | Stamper plate attaching/detaching device of an injection mold for forming an optical disc substrate A stamper plate attaching/detaching device of an injection mold for forming an optical disc substrate wherein a stamper plate is supported in a cavity which is formed by a cavity side disc cavity plate, a movable disc cavity plate, and a cavity ring. The ... | 02/01/2000 |
| 5946436 | Structure of optical connector and aligning method The invention provides a structure of an optical connector and an aligning method which are capable of easily accomplishing the alignment between optical fibers without pre-alignment before the assembling of the optical connector and disassembling of an o... | 08/31/1999 |
| 5859940 | Optical device and bidirectional communications system An optical device employing a GRIN rod lens, which optical device makes full use of the characteristics of a single-mode optical fiber and which permits extremely easy adjustment; an optical wavelength demultiplexer/multiplexer which utilizes a GRIN rod l... | 01/12/1999 |
| 5809193 | Optical device having a slant connecting end surface An optical device having at least one slant optical connecting interface is disclosed. The optical device comprises a ferrule assembly, a GRIN rod lens assembly and a means for aligning the interface. The ferrule assembly comprises a pair of optical fiber... | 09/15/1998 |
| 5766652 | Means for holding a stamper plate in a molding metal die An apparatus for holding a stamper plate in a molding metal die is provided which comprises a cavity plate having a cavity center hole, a stamper plate press member having a flange portion larger than the stamper plate center hole, a vacuum evacuation dev... | 06/16/1998 |
| 5753275 | Cavity plates aligning and guiding apparatus in disk injection molding dies An apparatus for guiding and aligning fixed side and movable side disk cavity plates of disk injection molding dies of an injection molding device is provided with a plurality of first grooves formed on the outer surface of the fixed side disk cavity plat... | 05/19/1998 |
| 5640475 | Optical fiber ferrule holding plate for optical fiber end polishing apparatus An optical fiber ferrule holding plate for an optical fiber end polishing apparatus for simultaneously polishing the end surfaces of a plurality of ferrules with optical fibers has an improved durability and workability. The optical fiber ferrule holding ... | 06/17/1997 |
| 5631992 | Optical fiber LED assembly An optical fiber LED assembly for coupling light from a light source element to an optical fiber via a rod lens with distributed refractive index provides improved stability by controlling deterioration in the optical coupling efficiency of the assembly w... | 05/20/1997 |
| 5621835 | Optical fiber assembly and manufacturing method for the same An optical fiber assembly which can be used without deterioration in the performance thereof even when it is used under a severe environmental condition wherein temperature frequently changes over a wide temperature range. The structure of an optical fibe... | 04/15/1997 |
| 5612062 | Means for holding stamper plate in molding metal die In a means for holding a stamper plate in a molding metal die so that the stamper plate can be easily mounted on and dismounted from the surface of a disc cavity plate, the means comprises the stamper plate having a hole at the center thereof and composed... | 03/18/1997 |
| 5600744 | Optical fiber light coupling interface and method for making same An optical fiber interface for coupling input light power from a light source to an optical fiber. The optical fiber has an optical axis, an incident end face extending transverse to the optical axis, a core region having a predetermined diameter, and a c... | 02/04/1997 |
| 5588081 | Light coupling device to couple a light source to an optical fiber A light coupling device for coupling a light source to an optical fiber. The device includes a first cylindrical sleeve carrying a GRIN lens and a ferrule. The ferrule receives the optical fiber. Movability of the ferrule along the optical axis of a first... | 12/24/1996 |
| 5530781 | Optical fiber light coupling interface with an enlarged incident surface and method of making same An optical fiber light coupling interface effective for feeding and propagating light power dispersed from a light source, and a method of forming the interface. The interface includes an optical fiber having an optical axis, a core, and a clad surroundin... | 06/25/1996 |
| 5472334 | Injection molding die for injection-molding base boards To produce base boards each usable for an information recording medium such as a photoelectromagnetic disc or the like by employing an injection molding process, an injection molding die of the type comprising a die half on the stationary side and a die h... | 12/05/1995 |
| 5466145 | Disc base board molding die including stamper plate attaching/detaching device To injection-mold a base board for an optical disc or the like, an injection molding die includes a stamper plate attaching/detaching device installed therein. The stamper attaching/detaching device includes as essential components a stamper plate attachi... | 11/14/1995 |
| 5351445 | Apparatus for grinding end faces of ferrules together with optical fibers each firmly received in ferrules An apparatus for grinding end surfaces of ferrules together with optical fibers each firmly received therein includes as essential components a platform serving as a base for the apparatus, a grinding board assembly rotationally driven such that a grindin... | 10/04/1994 |
| 5339377 | Optical fiber splicer for ribbon-shaped optical fiber cords To connect one ribbon-shaped optical fiber cord to an opponent ribbon-shaped optical fiber cord while making reliable optical connection therebetween, an optical fiber splicer is used. The optical fiber splicer includes as essential components an aligning... | 08/16/1994 |
| 5337377 | Optical fiber termination device An optical fiber termination device wherein temperature rise is minimized when light power is high or a power laser is used therewith. A first optical fiber is connected to a second optical fiber by fusing the core of the first optical fiber to the clad o... | 08/09/1994 |
| 5321790 | Optical attenuator using an optical fiber and method and apparatus for producing the same An optical attenuator comprising an optical fiber and at least a light attenuating portion disposed on the optical fiber. The light attenuating portion is formed such that a part of the optical fiber is heated by an opposing pair of discharge electrodes o... | 06/14/1994 |
| 5293435 | Light diverging/converging device, structural element for said device and method of producing said element Two types of structural elements each employable for a light diverging/converging device are disclosed. One is a double circuit diverging ferrule which comprises a first semicylindrical ferrule element, a second semicylindrical ferrule element and a cylin... | 03/08/1994 |
| 5265381 | Method for grinding ferrules for ribbon type optical fibers A method of grinding ferrules for ribbon type optical fibers wherein the method comprises the steps of locating the end surfaces of the ferrules with respect to a grinding surface of a grinding member, reciprocatingly turnably displacing the ferrules alon... | 11/30/1993 |
| 5267342 | Light attenuating element and method of producing the same A light attenuating element comprising a ferrule and two optical fibers inserted through the ferrule along an optical axis thereof is disclosed. The inner ends of both the optical fibers are cut with a predetermined inclination angle and spaced from each ... | 11/30/1993 |
| 5257334 | Ribbon type optical fiber connector On an optical connector plug main body 3 whose transverse section is a trapezoid, a groove 6 of rectangular transverse section is provided, at a bottom of which a plurality of alignment V grooves 7 are formed. In a plate member 9 of rectangular transverse... | 10/26/1993 |
| 5218786 | Apparatus for grinding ferrules for ribbon type optical fibers A method of grinding ferrules for ribbon type optical fibers wherein the method comprises the steps of locating the end surfaces of the ferrules with respect to a grinding surface of a grinding member, reciprocatingly turnably displacing the ferrules alon... | 06/15/1993 |
