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Patent # Description
US-6,493,527 Process cartridge
A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, includes an electrophotographic photosensitive...
US-6,493,526 Restoration method for a charging roller, a charging roller restored by the method and a process cartridge...
A charging roller is constituted of a shaft, a conductive elastic cylinder, and a charging layer. The shaft is integrally covered with the conductive elastic...
US-6,493,525 Image forming apparatus
An image forming apparatus of the present invention is capable of protecting a sheet or recording medium from defective fixation and creases and enhancing image...
US-6,493,524 Image forming apparatus
An image forming apparatus includes an image bearing member, an image forming unit for forming an image on the image bearing member and a detector for detecting...
US-6,493,523 Capacitance and resistance monitor for image producing device
An apparatus and a method for optimizing the quality of electrophotographic imaging based on the properties of the printing media are presented. In order to...
US-6,493,522 Developing device and image forming apparatus
An image forming apparatus includes a developer bearing member for bearing and transporting a developer to enable development of a latent image formed on an...
US-6,493,521 Image forming apparatus
An object of the present invention is to provide an image forming apparatus having a fixing device, which can obtain good fixing ability while preventing...
US-6,493,520 Image forming apparatus with overheat preventive device
An image forming apparatus includes a heater for heating a recording material for fixing a transferred toner image to the recording material at a transfer...
US-6,493,519 Image forming apparatus having a plurality of image forming stations, and unit detachably mountable on the...
The present invention provides an image forming apparatus that has a plurality of image forming stations for forming an image on a recording material, each of...
US-6,493,518 Printer, and control method thereof
A printer and a control method thereof. The printer includes an optical scanner for scanning light to a photosensitive medium according to image information, a...
US-6,493,517 Integration of self-determined consumable usage model in pigmentation material low/out forecast
A method of scheduling service events for a hard copy output engine includes (i) estimating when a service event is likely to occur, (ii) estimating, from a...
US-6,493,516 Toner container and method of determining abnormality of toner container
A toner container is detachably mountable on an image forming apparatus and includes a container body that contains toner therein. An agitating member is...
US-6,493,515 Camera
The camera has an appearance quality highly maintained, by crushing a joining portion of a metal cover. A metal cover is crushed at a joining portion to a grip...
US-6,493,514 Method and apparatus for magnetic communication via a photographic filmstrip
A method is provided for recording metadata elements using a predetermined portion of a photographic filmstrip. The method comprising the steps of recording a...
US-6,493,513 Exposure control device for camera preventing shutter release before aperture changeover
A shutter device for a camera includes a shutter blade for providing an exposure by opening/shutting a photographic light path, and a shutter drive lever for...
US-6,493,512 Step zoom lens camera
A step zoom lens camera includes a rotatable cam ring, a cam groove formed on the cam ring, including step areas, a linear movement member which is connected to...
US-6,493,511 FPC (flexible printed circuit) board arrangement structure for zoom lens barrels
An FPC (flexible printed circuit) board arrangement structure for zoom lens barrels of a camera is provided. The FPC board connects a shutter block carried by...
US-6,493,510 Camera having zoom flash device
A camera has a zoom optical system, which includes three lens groups disposed on an optical axis, for being set at least between a wide-angle end and a telephoto...
US-6,493,509 Camera with self-timer for delayed action shutter release
A camera has a shutter release button that is depressible to initiate picture-taking, and a self-timer for automatically initiating picture-taking after a...
US-6,493,508 Fuel filter
A fuel filter 10 for filtering diesel fuel, in which a heater 14 is provided which at temperatures below 0.degree. C. warms the diesel fuel in order to liquefy...
US-6,493,507 Water heating unit with integral thermal energy storage
The present invention is directed to a water heater which includes a phase change material having a freezing/melting temperature from about 30.degree. C. to...
US-6,493,506 Optical disk system and method for storing disk- and user-specific settings
An optical disk system is presented which stores disk- and user-specific settings, along with an associated method. The optical disk system includes a disk drive...
US-6,493,505 OPTICAL DISC, VIDEO DATA EDITING APPARATUS, COMPUTER-READABLE RECORDING MEDIUM STORING AN EDITING PROGRAM,...
An optical disc includes a data area for recording a plurality of video segments and an index area for recording original type chain information and user-defined...
US-6,493,504 Storage medium, recording apparatus, playback apparatus, recording method, and computer-readable storage medium
A computer readable storage medium being capable of recording a large amount of still picture data thereon, allowing users to make a search based on recording...
US-6,493,503 Optical disc for coordinating a variable reproduction of video images
A multimedia optical disc including data area and index area is provided. The data area includes objects each of which includes video data. The index area...
US-6,493,502 Dynamic gain equalizer method and associated apparatus
An apparatus and associated method for altering the propagation constant of a region of equalizing propagation constant in an optical waveguide. The method...
US-6,493,501 Optical fiber interconnection closures
A converting assembly and method for creating an in-line closure from a first end cap and a first support frame of a butt-type closure includes a second support...
US-6,493,500 Method for mid-span branching of optical fiber cable
The present invention relates to a method for mid-span branching of optical fiber cable which makes the mid-span branching possible without excess length of the...
US-6,493,499 Waveguide window
A window for a waveguide for a beam of electromagnetic radiation. The window includes a layer of a material capable of allowing electromagnetic radiation to pass...
US-6,493,498 Fiber administration system having optical fiber route tracing capabilities
An improved fiber administration system and method of operation for a fiber distribution system. The fiber administration system contains at least one frame,...
US-6,493,497 Electro-optic structure and process for fabricating same
High quality epitaxial layers of oxide can be grown overlying large silicon wafers by first growing an accommodating buffer layer on a silicon wafer. The...
US-6,493,496 Optical waveguide
An optical waveguide has first dielectric substance region which is formed on a surface of the crystalline silicon substrate, and has second dielectric substance...
US-6,493,495 Large effective area waveguide fiber
A single mode optical waveguide fiber having a segmented core designed to provide a large effective area for light transmission. The large effective area reduces...
US-6,493,494 Dispersion compensating fiber for wavelength division multiplexed optical fiber transmission systems using...
The invention concerns a monomode optical fiber having at a wavelength of 1550 nm a dispersion slope from -0.8 ps/nm.sup.2.km to -0.5 ps/nm.sup.2.km and a...
US-6,493,493 Eccentricity detect and alignment for fiberoptic bundle
A method and apparatus for aligning eccentricities in optical fibers arrayed in a fiber optic bundle is disclosed. The optical fibers are initially constrained...
US-6,493,492 Fiber bundle and optical amplifier
A manufacture includes a first optical fiber and a plurality of second optical fibers. The second optical fibers have cross sections with aspect ratios of two or...
US-6,493,491 Optical drop cable for aerial installation
An aerial drop cable comprises a jacket surrounding a cavity containing a least one loosely housed optical fiber and a pair of reinforcing members composed of a...
US-6,493,490 Method and apparatus for receiving and aligning an optical communications beam with an integrated
An integrated optical communications receiver/alignment system and method. In one embodiment, a method and an apparatus are disclosed in which a semiconductor...
US-6,493,489 Integrated coupling modules for high-bandwidth fiber-optic systems
An integrated and modular coupling module for coupling light between optical devices, such as an optical fiber connector and optoelectronic device, is presented....
US-6,493,488 Apparatus and method for high speed optical signal processing
In one aspect of the invention, an apparatus operable to facilitate optical signal processing includes a micro-electro-optic system (MEMS) device having a...
US-6,493,487 Optical waveguide transmission devices
An optical waveguide device comprising a free space region, suitably provided by a slab waveguide, having optical signal ports for coupling to input and output...
US-6,493,486 Thermal compensated compact bragg grating filter
Various aspects of thermal compensated Bragg grating filters are disclosed. In one disclosed aspect, an optical fiber having a Bragg grating therein is laid...
US-6,493,485 Systems and methods for aligning a laser beam with an optical fiber
A system for aligning a laser beam with the end of an optical fiber includes optics for focusing the laser beam toward the end of the optical fiber. A plurality...
US-6,493,484 Optical add/drop filter for wavelength division multiplexed systems
An optical add/drop filter for wavelength division multiplexed systems and construction methods are disclosed. The add/drop filter includes a first ferrule...
US-6,493,483 Integrated circuit photonic signal matrix
A signal matrix provides high speed interconnections using optoelectronic elements by detecting wavelength dependent photonic signals at each element of a matrix...
US-6,493,482 Optical switch having a planar waveguide and a shutter actuator
An optical switch having an input waveguide and two output waveguides separated by and disposed around a trench. The input waveguide and a first output waveguide...
US-6,493,481 Optical switch unit
K.times.K optical switch unit according to the present invention is comprised of input ports 1-1, . . . 1-36, 1.times.M optical matrix switches 5-1-1, . . ....
US-6,493,480 Multistage optical cross-connect
A multi-stage optical cross-connect in which sub-switches within the respective stages are spatially distributed relative to sub-switches of adjacent stages such...
US-6,493,479 Crosspoint switch protection using additional switching elements to provide alternate paths
A crosspoint switch is provided that has N inputs, M outputs, and an array of (N+X).times.(M+X) switching elements, where N, M, and X are all positive integers....
US-6,493,478 Photothermal optical switch and variable attenuator
An optical device which utilizes a photothermal optical effect to achieve switching or attenuation includes a waveguide defined by a waveguide core and a...
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