U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."

U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.

Newsletter  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.

 

Class 399/16 - Document handling


Subclass of Class 399 - Electrophotography
Definition: Subject matter wherein a means or method is provided for
No. of applications: 136
Last issue date: 03/22/2012


1        
Application No.Application TitleIssue Date
20120070160MEDIUM TRANSPORT APPARATUS, IMAGE FORMING APPARATUS, METHOD FOR DETERMINING SPLICE ON MEDIUM AND COMPUTER READABLE MEDIUM
A medium transport apparatus includes: a transport unit transporting a belt-shaped medium having plural marks formed in line at predetermined intervals in a transport direction; a detection unit detecting the marks on the medium; and a determining unit determining that ...
03/22/2012
20120027426IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
An image forming apparatus including an image forming unit forming an image on a recording paper, a registration roller transporting the recording paper to the image forming unit, a post-registration roller detection unit provided at a down stream side of the registrati...
02/02/2012
20120027425MEDIUM DETECTION DEVICE AND IMAGE FORMATION APPARATUS
A medium detection device includes: a sensor lever configured to rotate corresponding to a travel of a recording medium; a sensor configured to detect the rotation of the sensor lever; a stopper having a guide surface inclined with respect to the movement direction of t...
02/02/2012
20110311240IMAGE FORMING APPARATUS
There is a need to provide an image forming apparatus capable of preventing a transfer portion from distorting a toner image on a sheet. Line sensors 7A through 7D are provided at least one of between secondary transfer portion 1F and a pair of regi...
12/22/2011
20110262152METHOD AND APPARATUS OF SHEET CONVEYANCE (SHEET CONVEYANCE CONTROL WITH MEDIA SENSOR) AND IMAGE FORMING APPARATUS
According to one embodiment, a sheet conveying mechanism including a first driving mechanism configured to move a sheet medium to a predetermined position, a second driving mechanism located a fixed distance apart from the first driving mechanism and configured to move ...
10/27/2011
20110262151IMAGE FORMING APPARATUS, RECORDING MEDIUM DETECTING APPARATUS AND RECORDING MEDIUM DETECTING METHOD
An image forming apparatus according to an embodiment includes an image forming unit which forms an image on a recording medium, and a carrying unit which guides the recording medium to the image forming unit via a first carrying path or a second carrying path. A media ...
10/27/2011
20110255882IMAGE FORMING APPARATUS
An image forming apparatus has a sheet feeding portion which feeds a topmost sheet of sheets stacked on a sheet stacking portion and an image forming portion which forms an image to the sheet fed by the sheet feeding portion. The image forming apparatus also has a moist...
10/20/2011
20110255888IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
An image forming apparatus includes: a developing device having a developing vessel, a developing roller and a toner supply port; a toner supply device; a toner supply detecting sensor for detecting the toner concentration inside the developing vessel; a toner concentra...
10/20/2011
20110236040IMAGE FORMING APPARATUS AND SHEET CARRYING METHOD FOR IMAGE FORMING APPARATUS
An image forming apparatus includes: a carrying unit which carries a sheet from a sheet supply unit toward a sheet discharge unit; a transfer unit which transfers an image to the sheet; a fixing unit which fixes the image transferred to the sheet by the transfer unit, a...
09/29/2011
20110217053Mark detecting device, adjustment method, and printing apparatus
A mark detecting device detects a positioning mark on a transfer medium based on light that is emitted to and then reflected from the transfer medium. The mark detecting device includes a light emitting unit that emits light to a target position on the transfer medium; ...
09/08/2011
20110200341IMAGE FORMING APPARATUS INCLUDING SKEW CORRECTION MECHANISM, CONTROL METHOD THEREFOR, AND STORAGE MEDIUM
An image forming apparatus that can detect a leading edge of a tabbed sheet after skew correction with high accuracy and without increasing a size of the apparatus. A transfer unit transfers a toner image to the sheet, the skew of which having been corrected based on a ...
08/18/2011
20110194860IMAGE FORMING APPARATUS
When an input image is to be formed on a sheet conveyed to a transfer roller, the exposure section is controlled and deviation correction is performed to offset the image forming position across the width of the sheet in response to the result of detection by a deviatio...
08/11/2011
20110176819ROTATION DETECTING DEVICE, SHEET FEEDING DEVICE, AND IMAGE FORMING APPARATUS
An image forming apparatus includes a sheet feeding device (1). The sheet feeding device (1) includes a sheet feeding cassette (2), a push-up member (4), a drive shaft (5), and a rotation detecting device (6). The rotation detec...
07/21/2011
20110170882STICKING PREVENTING DEVICE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD
An image forming apparatus includes a sticking preventing device including a main conveying path connected from a fixing device, a first conveying path connected to the main conveying path, a second conveying path branching from the main conveying path and having a conv...
07/14/2011
20110164887IMAGE FORMING APPARATUS
According to one embodiment, an image forming apparatus includes a setting unit configured to set setting information for forming images on recording media, one or more feeding units configured to store the recording media, a media sensor configured to detect a characte...
07/07/2011
20110135322IMAGE FORMING APPARATUS, CONTROL METHOD THEREOF, AND STORAGE MEDIUM
An image forming apparatus including a plurality of paper feed stages includes a setting unit configured to set a paper type including a plurality of items for each of the plurality of paper feed stages, a storage unit configured to store a paper type history indicating...
06/09/2011
20110135324BELT DRIVE APPARATUS AND IMAGE FORMING APPARATUS
A belt drive apparatus, including, an endless belt to be laid across in a tensioned condition between supporting rollers and to travel being in pressure contact with or being separated from a body to receive the pressure contact, a pressure contact/separating state dete...
06/09/2011
20110135323IMAGE FORMING APPARATUS AND COMPUTER-READABLE STORAGE MEDIUM
An image forming apparatus includes a measuring part to measure an area in which a recording agent is to be adhered on a recording medium, for each of segmented regions on the recording medium, a computing part to compute an accumulated area by accumulating the measured...
06/09/2011
20110129239INSPECTION APPARATUS, METHOD OF CONTROLLING THE SAME, AND STORAGE MEDIUM
Tab positions of tab sheets that are inserted between printed pages while a print job is performed are determined to be correct or incorrect using a control method for controlling an inspection apparatus which is connectable to a printing apparatus. The method includes ...
06/02/2011
20110123202IMAGE FORMING APPARATUS
An image forming apparatus includes: a belt; a plurality of photosensitive units that contact the belt, are disposed at a predetermined interval in the transportation direction of the belt and transfer marks for image adjustment to the belt, images of different colors b...
05/26/2011
20110116812SHEET REGISTRATION FOR A MULTIPASS ELECTROPHOTOGRAPHIC PRINTER
A method and system for printing image documents using a variety of toners where some toners using a multi-development station having two or more development stations. These toners are co-printed prior to fixing, on the receiver by the multi-development station....
05/19/2011
20110116813IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM EQUIPPED THEREWITH
An image forming apparatus includes: a sheet conveyance section having a sheet storing member to store sheets that have been aligned in a prescribed placing direction, which conveys a sheet stored in the sheet storing member; an image forming section having an image car...
05/19/2011
20110103809IMAGE FORMING APPARATUS
An image forming apparatus includes a sheet feed unit which feeds a sheet to an image forming unit forming an image on the sheet; a re-transport roller which reverses the sheet with a toner image fixed on the sheet and re-transports the sheet to the image forming unit; ...
05/05/2011
20110103808IMAGE FORMING APPARATUS
An image forming apparatus includes: a sheet feed unit that feeds a sheet to an image forming unit forming a toner image on the sheet; a fixing unit that fixes the toner image formed in the image forming unit to the sheet; and a control unit that controls the sheet feed...
05/05/2011
20110076035IMAGE FORMING APPARATUS AND SHEET CONVEYING METHOD
An image forming apparatus includes a pre-transfer conveying portion that conveys a recording medium, an image bearing member that moves while bearing a toner image, a conveying belt that attracts the recording medium conveyed from the pre-transfer conveying portion and...
03/31/2011
20110069976IMAGE FORMING APPARATUS, RECORDING MEDIUM TRANSPORTATION APPARATUS, RECORDING MEDIUM TRANSPORTATION METHOD AND COMPUTER READABLE MEDIUM
An image forming apparatus includes: an image forming unit forming an image on a recording medium; a recording medium transportation unit transporting, along a transportation route, the recording medium on which the image has been formed by the image forming unit, and i...
03/24/2011
20110064424DYNAMIC MEDIA THICKNESS, CURL SENSING SYSTEM
A method and system move a media sheet in a processing direction of a media path from a first nip to a second nip and move the media sheet in the processing direction of the media path from the second nip to a third nip. The method senses, using a sensor positioned betw...
03/17/2011
20110064426IMAGE FORMING APPARATUS
An image forming apparatus is provided. The image forming apparatus includes a fixing unit to thermally fix an image transferred onto a sheet thereto, an endless belt to carry the sheet in a feeding path toward the fixing unit, a pattern forming unit to form an image pa...
03/17/2011
20110064425DEVICE FOR MEASURING LENGTH OF RECORDING MATERIAL, IMAGE FORMING APPARATUS AND COMPUTER READABLE MEDIUM
A device for measuring a length of a recoding material, includes: a rotating body that rotates in contact with a recording material which is transported; a length measuring unit that measures a length of the recording material based on a rotation of the rotating unit; a...
03/17/2011
20100322651IMAGE FORMING APPARATUS FOR RETRYING FEED OF TRANSFER MATERIAL
A detection unit is disposed between a feeding unit and a secondary transfer unit on a conveyance path, and detects a transfer material that is conveyed. A control unit, if the detection unit cannot detect the transfer material by a predetermined timing after a feeding ...
12/23/2010
20100316396IMAGE FORMING APPARATUS
In one embodiment, the present invention provides an image forming apparatus that forms a plurality of images using a plurality of image carriers respectively corresponding to the images and stacks those images, the apparatus having a first group to which at least one i...
12/16/2010
20100310261IMAGE FORMING APPARATUS AND SHEET CONVEYING METHOD FOR THE IMAGE FORMING APPARATUS
In an image forming apparatus and a sheet conveying method for the image forming apparatus, the image forming apparatus including: a sensor arranged halfway in a sheet conveying path and configured to output a signal corresponding to thickness of a sheet; a sheet feeder...
12/09/2010
20100300196IMAGE FORMING APPARATUS AND VIBRATION ISOLATOR SELECTION METHOD
An image forming apparatus includes a media sensor which a sheet carrying device has at a halfway part in a sheet carrying path, a damper table which stores a frequency band of vibration to be absorbed for each type of vibration isolator, and a controller which samples ...
12/02/2010
20100296823DUAL ENGINE SYNCHRONIZATION
A method of synchronizing the timing of a plurality of physically coupled print engines wherein the receiving sheet is inverted between a first and a second print engine including determining a position of one or more timing marks on a first primary imaging member in a ...
11/25/2010
20100247115APPARATUS FOR MEASURING LENGTH OF RECORDING MATERIAL, IMAGE FORMING APPARATUS, AND PROGRAM
An apparatus for measuring a length of a recording material, includes: a rotating member that rotates while contacting a conveyed recording material; a detecting section that detects a rotation amount of the rotating member; an information obtaining section that obtains...
09/30/2010
20100221023IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
An image forming apparatus and an image forming method in the invention include a scanner unit, an image forming unit, and a discarding unit. When time during which a recording medium having an image formed thereon is discharged to a paper discharge tray has exceeded a ...
09/02/2010
20100221022METHOD AND APPARATUS FOR INDUCING SUBSTRATE TRANSPORT FAULTS IN IMAGE FORMING MACHINES
A method of inducing a substrate transport fault in an image forming apparatus having a substrate transport assembly includes prompting a user to provide one or more substrate transport fault conditions, starting an image forming job, and inducing a substrate transport ...
09/02/2010
20100209124IMAGE FORMING APPARATUS
An image forming apparatus which is capable of detecting the direction and amount of an image shift in the main scanning direction without wasting toner, to thereby provide a higher-quality image with reduced running costs. A conductor is disposed such that the conducto...
08/19/2010
20100189448IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
The image forming apparatus includes: an image holder that is movably provided; a first image forming unit that forms a first image on the image holder; a second image forming unit that forms a second image on the image holder including the first image formed thereon; a...
07/29/2010
20100178067PRINTING APPARATUS
A printing apparatus including one or more feeding units includes: a sheet size determining unit which determines a sheet size of a sheet, on which print data are printed, in predetermined order; a print control unit which stores a designated size, which is the sheet si...
07/15/2010
1        
 
Sign InRegister
Username  
Password   
forgot password?