Quotables
"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7460797 | Belt type fixing device including a contact and a non-contact temperature sensor and a reflection type sheet sensor A belt type fixing device includes a fix roller, a press roller rotatable in pressing contact with the fix roller, a heat roller accommodating a heat source therein and a belt passed over the fix roller and heat roller. A non-contact type temperature sensor is posit... | 12/02/2008 |
| 7356267 | Jam removing method and printer using toner save mode A jam removing method and printer using toner a save mode includes detecting a paper jam on a printing route, confirming whether a dot count value of a corresponding image exceeds a preset boundary value, and converting a printing mode into the toner save mode when ... | 04/08/2008 |
| 7283777 | System and method for characterizing fuser stripping performance Disclosed herein are several embodiments to facilitate the characterization of fuser stripping performance. Recognizing that the characteristics of a substrate exiting a fusing nip are indicative of the operation of the nip and the stripping operation itself, severa... | 10/16/2007 |
| 7280798 | Image forming apparatus with conveying device urging a recording material toward a charge eliminating member The image forming apparatus has an image bearing member for bearing a toner, a transfer device which forms a transfer area in cooperation with the image bearing member for transferring the toner on the image bearing member onto a recording material, a charge elimina... | 10/09/2007 |
| 7266314 | Image forming apparatus and fixing device used therein A jumper cable is provided in a connector connected to an output signal of a temperature detection device and a detection signal line of fixing device specification means, and electric power supply to the temperature detection device is connected though the jumper c... | 09/04/2007 |
| 7257659 | Method for signaling PCI/PCI-X standard hot-plug controller (SHPC) command status According to embodiments of the present invention, indicators on a PCI/PCI-X controlled by a Standard Hot-Plug Controller (SHPC) have non-fifty percent duty cycle blinking patterns that communicate to an operator a particular command being processed, whether the com... | 08/14/2007 |
| 7203440 | Image forming apparatus with a plurality of selectable modes to maintain temperature The image forming apparatus includes an image formation unit for forming a toner image on a recording material to be carried by the recording material; a fixing apparatus having a heat-fixing rotation member and a pressure member with an elastic layer which rotate w... | 04/10/2007 |
| 7199335 | Heat fusing apparatus, method of controlling same and image forming apparatus Disclosed is a heat fusing apparatus for thermally fusing toner that has been transferred to a printing medium from a toner image formed on an image bearing member using an electrophotographic process. Temperature is detected at the surface of a heating element or i... | 04/03/2007 |
| 7130573 | Image forming apparatus In an image forming apparatus that judges the type of sheet by using an image pickup device, it is possible to read an image which does not blur and is excellent in precision even if the shutter period of time of the image pickup device is made long, and even in the... | 10/31/2006 |
| 7099600 | Image forming device that performs density detection During a first rotation of a photoconductor, latent electrostatic images for color correction processing patterns are formed on the photoconductor, and the latent electrostatic images are developed into the color correction processing patterns in each of four colors... | 08/29/2006 |
| 6985677 | Image formation apparatus The image formation apparatus has a plurality of cooling fans inside the main body of the apparatus and comprises an error detecting function of detecting occurrence of an error such as a sheet jam, and switches between operation and non-operation of the cooling fan... | 01/10/2006 |
| 6970658 | Fixing apparatus for fixing a toner image onto a paper sheet A fixing apparatus comprises a fixing belt held by and wound around a heating roller and a fixing roller, a pressurizing roller held pressed against the fixing roller by way of the fixing belt so as to heat and put pressure on the toner image on a sheet of paper wit... | 11/29/2005 |
| 6839525 | Fixing apparatus for fixing a toner image onto a paper sheet A fixing apparatus comprises a fixing belt held by and wound around a heating roller and a fixing roller, a pressurizing roller held pressed against the fixing roller by way of the fixing belt so as to heat and put pressure on the toner image on a sheet of paper wit... | 01/04/2005 |
| 6804474 | Image forming apparatus An image forming apparatus is provided which includes a sheet containing section for containing sheets, a conveying member and a conveying path for conveying the sheets, at least one optical sensor that is arranged in the conveying path and has a light emitting elem... | 10/12/2004 |
| 6782214 | Fuser sensor system and method with media detection In one embodiment, an imaging device is provided that generates and transfers an image to a print media. A bias voltage is applied to a fuser to charge the fuser where the fuser bias voltage is affected by the print media contacting the fuser. An image is fused to t... | 08/24/2004 |
| 6757502 | Image forming apparatus An image forming apparatus of the present invention includes a paper sensor disposed in a fixing device downstream of a fixing roller pair in a direction of paper conveyance. When a jam occurs in the fixing device without the paper sensor sensing a paper sheet and i... | 06/29/2004 |
| 6744993 | Sheet winding detecting device and image forming apparatus An image forming apparatus is provided which is capable of reliably preventing a recording sheet wound around a roller member from being further wound around the roller member even when the power supply of the image forming apparatus is turned on/off while the recor... | 06/01/2004 |
| 6718146 | Image forming apparatus and image forming method An image forming apparatus is provided which is capable of positively preventing a recording sheet from being wound around a conveying means that conveys the recording sheet. A high voltage power supply section applies voltage to feeding brushes disposed in contact ... | 04/06/2004 |
| 6643475 | Fuser sensor system An imaging device is provided that generates and transfers an image to a print media. A fuser fuses the image to the print media through a process of heat and pressure. The fuser is charged with a voltage to reduce toner particles from being attached to t... | 11/04/2003 |
| 6640059 | Apparatus for facilitating jam clearance in a printer In an apparatus, such as a fuser for xerographic printing, wherein sheets pass through a nip formed by two moving rollers, a substantially enclosed, effectively funnel-shaped path is defined to direct sheets from the nip to a subsequent processing station... | 10/28/2003 |
| 6571497 | Day/night composite imaging member An imaging element including in order an upper image, at least one transmission and reflection device providing optical transmission of between 35% and 55%, and a lower image, wherein at least the upper and lower images are on separate supports.... | 06/03/2003 |
| 6501914 | Jam detector for an image fixing apparatus An image forming apparatus of the present invention includes two temperature sensors each being responsive to the surface temperature of a particular portion of a fixing member. A reference temperature setting section sets a reference temperature value on... | 12/31/2002 |
| 6496661 | Sheet attachment detecting apparatus, fixing apparatus and image forming apparatus A sheet attachment detecting apparatus includes a rotary member which is rotatable for conveying a sheet and whose surface is electrically conductive, an electrically conductive member which can be abutted on and separated from the surface of the rotary m... | 12/17/2002 |
| 6453128 | Paper separating apparatus of printer A paper separating apparatus of a printer includes a separating member installed to be adjacent to an exit side of the transfer roller and under a path along which the paper is discharged and fixedly coupled to a pair of bearing guides which rotatably sup... | 09/17/2002 |
| 6374063 | Fixing device used for image forming apparatus An image forming apparatus is provided with an electrostatic charging unit, an exposure unit, a developing unit, a feeding unit, a transfer unit, a peeling-off unit, a fixing device and also a cooling mechanism used when taking out a jamming sheet in the ... | 04/16/2002 |
| 6259867 | Transfer jam detecting apparatus for a wet type electrophotographic color printer A transfer jam detecting apparatus for a wet type electrophotographic color printer capable of detecting various kinds of jams occurring at a transfer roller, including: a printed matter entrance sensor disposed on a front side of a transfer roll, for det... | 07/10/2001 |
| 6173150 | Separation charger for an image forming apparatus An image forming apparatus includes an image bearer for bearing a toner image, transfer device for transferring the toner image on the image bearer to a recording medium, a separating charger for facilitating separation of the recording medium from the im... | 01/09/2001 |
| 5978613 | Device for monitoring the operation of a fixing station of an electrographic printing device An apparatus is provided in a printer to prevent wrapping of the paper web onto the printer's fixing roller which fixes the toner particles onto the paper web. The apparatus includes a sensor to monitor the speed and moving direction of the web at the out... | 11/02/1999 |
| 5886729 | Sheet supplying apparatus using a flexible elastic pawl member for separating sheets one by one A sheet supply apparatus according to the present invention has a pawl separator for separating sheets one by one by regulating the tip ends and upper surfaces of tip end portions of the sheets, which pawl separator can be retarded from a sheet regulating... | 03/23/1999 |
| 5848319 | Apparatus discriminating the transport condition of a recording medium through a fixing device based on temperature of a fixing roller An image forming apparatus and a fixing device used therein capable of discriminating transport condition of a sheet in the fixing device without sheet sensors. The fixing device is provided with a fixing roller for heating unfixed toner borne on a sheet ... | 12/08/1998 |
| 5828924 | Optical detecting device for an image forming apparatus and an image forming apparatus using the same In an optical detecting device, used for an image forming apparatus, for detecting an object to be detected, such as a paper, by an optical means including a light emitting means 20c, a photo sensing means 20d, a reflecting means 20b, and the like, there ... | 10/27/1998 |
| 5708946 | Fuser skive mechanism mounting for facilitating jam clearance A fuser assembly including a pair of rollers in nip relation to transport a receiver member along a travel path therebetween and permanently fix a marking particle image to a such a transported receiver member, a skive mechanism for stripping a receiver m... | 01/13/1998 |
| 5680198 | Copying machine A copying machine is disclosed which is capable of copying an original document having a page number by preliminarily erasing or correcting the page number portion of the image and by changing the order of the output images according to their respective p... | 10/21/1997 |
| 5678138 | Paper transport control system for an image forming apparatus An image forming apparatus including a plural number of paper transporting units including at least first and second paper transporting units, in-unit paper sensing mechanism located in the first paper transporting unit, unit-to-unit paper sensing mechani... | 10/14/1997 |
| 5406354 | Image forming apparatus with a sheet wrapping detection apparatus An image forming machine, such as a copier or a printer, for forming a toner image on a recording sheet includes a developer for forming a toner image on a photoreceptor, the photoreceptor holding the toner image on its surface; a transfer device for tran... | 04/11/1995 |
| 5365322 | Image forming apparatus which detects a jam of a wound sheet An image forming apparatus includes an image bearing member, a transfer unit for transferring an unfixed image on the image bearing member onto recording material, and a fixing rotating member for fixing the unfixed image while grasping and conveying the ... | 11/15/1994 |
| 5280322 | Image forming apparatus with sheet jam detection An image forming apparatus includes an image forming unit which has a rotating photoconductor, and a transfer unit disposed adjacent the photoconductor which retains an image-formation sheet on its circumferential surface. It further includes a sheet feed... | 01/18/1994 |
| 5124759 | Control method for detecting a paper jam using a toner density sensor A control method for an image recorder of the type transporting a recording medium substantially vertically from a lower portion to an upper portion inside the recorder. This type of recorder transfers a toner image from a photoconductive element to the m... | 06/23/1992 |
| 5068693 | Sheet path sensor provided in an electrophotographic image forming apparatus A mechanical sheet path sensor used in an electrophotographic image forming apparatus for transcribing image onto a cut sheet by using a toner image formed on a rotating photosensitive drum, for sensing a cut sheet passing therethrough and is placed betwe... | 11/26/1991 |
| 4952982 | Copying apparatus and method A copying apparatus and method is disclosed. Provided as main parts are detection means for detecting the separation condition of the recording paper and control means for controlling at least one of charging means, separation means, and transport means i... | 08/28/1990 |
