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| Number | Title | Issue Date |
| 7362480 | Method and system for changing a scanning resolution A method and system for scanning comprises rotating a scanning chassis of an optical scanner to create an acute angle between the scan line and a scanning direction, such that the scanning chassis has two ends, and moving the scanning chassis in the scanning directi... | 04/22/2008 |
| 7241658 | Vertical gain cell A high density vertical gain cell is realized for memory operation. The gain cell includes a vertical MOS transistor used as a sense transistor having a floating body between a drain region and a source region, and a second vertical MOS transistor merged with the se... | 07/10/2007 |
| 7224024 | Single transistor vertical memory gain cell A high density vertical single transistor gain cell is realized for DRAM operation. The gain cell includes a vertical transistor having a source region, a drain region, and a floating body region therebetween. A gate opposes the floating body region and is separated... | 05/29/2007 |
| 7224931 | Image forming apparatus and image forming method The CPU of the image forming apparatus sets up an ADF reading magnification in the ADF driving unit including the motor and the motor driver referring to the first magnification conversion table in the memory of the system unit when reading a document image while a ... | 05/29/2007 |
| 7149109 | Single transistor vertical memory gain cell A high density vertical single transistor gain cell is realized for DRAM operation. The gain cell includes a vertical transistor having a source region, a drain region, and a floating body region therebetween. A gate opposes the floating body region and is separated... | 12/12/2006 |
| 7099614 | Color image forming apparatus and method of controlling same An image having a quality superior to that of the prior art is obtained even if there are multiple causes of image degradation. In a color image forming apparatus that includes a plurality of rotating bodies for forming a color image by rotating in cooperation, amou... | 08/29/2006 |
| 7009629 | Image forming apparatus with optical adjustors An image forming apparatus including a photoreceptor having an image carrying surface, first and second exposing devices to expose the image carrying surface to form first and second latent images, and first and second developing devices to develop the first and sec... | 03/07/2006 |
| 6993411 | System and method for discrete time trajectory planning for lithography A lithography system and method for calculating an optimal discrete time trajectory for a movable device is described. A trajectory planner of the lithography system calculates an optimal discrete time trajectory subject to maximum velocity and maximum acceleration ... | 01/31/2006 |
| 6955747 | Cam driven paddle assembly for a plating cell The present invention overcomes the drawbacks and limitations described above by providing a paddle assembly having a paddle that moves in a bidirectional fashion for agitating solution in a container of a plating cell. A follower is coupled to the paddle. The follo... | 10/18/2005 |
| 6956256 | Vertical gain cell A high density vertical gain cell is realized for memory operation. The gain cell includes a vertical MOS transistor used as a sense transistor having a floating body between a drain region and a source region, and a second vertical MOS transistor merged with the se... | 10/18/2005 |
| 6930701 | Method and apparatus for controlling scanning velocity and amount of light for forming color image A method and an apparatus to control the scanning velocity and the amount of light to form a color image, including checking the rotation velocity of the scanning motor and varying the amount of light scanned according to the checked rotation velocity of the scannin... | 08/16/2005 |
| 6600504 | Image forming apparatus having light beam adjusting mechanism An image forming apparatus has a photoreceptor having a image carrying surface, an exposing device to imagewise expose the image carrying surface to form a latent image, and a developing device to develop the latent image to form a toner image on the imag... | 07/29/2003 |
| 6552835 | Reflective and penetrative scanning apparatus A Reflective and Penetrative Scanning Apparatus has a body, a first ambulatory reflection module, a second ambulatory reflection module, a lens assembly, an image shooting unit and an adjustment means. The body incorporates a Reflective Script Platform an... | 04/22/2003 |
| 6421158 | Optical scanning module with rotatable reflection mirror for image scanning device An image scanning device with a rotatable reflection mirror arranged in an optical scanning module thereof for establishing either a reflective or transparent scanning optical path is disclosed. The optical scanning module includes a first focusing lens, ... | 07/16/2002 |
| 6081363 | Optical length adjusting device An optical length adjusting device provides different optical length for different lenses in a multi-resolution scanner. The optical length adjusting device includes a focus module for focusing the optical image on an image sensor, a first light reflectin... | 06/27/2000 |
| 5946532 | Variable magnification optical system with light shielding mechanism A lens is moved by a lens moving member in the direction of its optical axis, and a mirror group is moved by a mirror moving member in the direction of the optical axis of the lens. The moving ranges of the lens moving member and the mirror moving member ... | 08/31/1999 |
| 5894371 | Focus mechanism for varifocal lens A device (10) for changing the focus and field of view of an optical device having an optical element (19, 21) which is movable grossly to change field of view and movable incrementally to change focus of the device (10) with either field of view includes... | 04/13/1999 |
| 5740505 | Image forming apparatus The present invention relates to image forming apparatuses such as copying machines, facsimile devices, and complexes thereof. When the image is produced as rotated by 90 degrees or 270 degrees by the rotary processing part 307 while the scanning speed of... | 04/14/1998 |
| 5418603 | Image forming apparatus capable of evaluating image forming performance An image forming apparatus includes an original placement portion and a reference original portion outside of the original placement portion, a scanning device capable of selectively scanning either the original placement portion or the reference original... | 05/23/1995 |
| 5386283 | Apparatus to form pictures from large originals The present invention is a type of office automation machine that is capable of copying a large size drawing by using an electronic photo method. The invention is designed to provide general printing function, a standard copying function, and a function o... | 01/31/1995 |
| 5065189 | Electrophotographic copying machine and method of setting copy magnification An electrophotographic copying machine and a method of setting a copy magnification. The machine includes a glass plate on which an original sheet is set, an exposure lamp for scanning the original sheet, a photoconductor, first, second and third mirrors ... | 11/12/1991 |
| 5061960 | Preexposure light control system for a photocopier A slit exposure type photocopier apparatus includes an original document platform on which an original document is to be located. An electrostatic latent image support member receives a projected image of the original document as a result of a scanning op... | 10/29/1991 |
| 4903079 | Variable magnification copier A variable magnification scanning optical system for a copying machine includes a lens (10) for projecting an image of an original document (2) with a pre-selected magnification onto a moving imaging member (6). The scan speed may be varied relative to th... | 02/20/1990 |
| 4831412 | Copying machine A copying machine for copying an original in the form of a double-spread page placed on an original stand or carriage such that the original is accurately divided when copied onto two sheets of paper. The copying machine includes a control device for cont... | 05/16/1989 |
| 4806989 | Optical correction device The present invention provides an optical correction device capable of correcting an exposure distribution so as to be flat at an image receiving surface such as a photoreceptor of copying machine, in spite of varying a projection magnification of origina... | 02/21/1989 |
| 4796054 | Control apparatus for a color copying machine A color copying machine contains a scanning unit driven by a motor for applying a color scanning beam onto a manuscript, a photoconductive drum operable to rotate for being exposed to the scanning beam to form on a peripheral surface thereof a latent imag... | 01/03/1989 |
| 4796053 | Magnification converting mechanism for a variable magnification copying apparatus A variable magnification apparatus is provided with a magnification converting mechanism and a scan speed change mechanism. In the magnification converting mechanism, the force generated by operating a magnification converting lever is transmitted to the ... | 01/03/1989 |
| 4782371 | Double image recording method When images are repeatedly recorded on a recording medium such as a single sheet of paper, the length of the second image to be recorded is varied dependent on the shrinkage factor of the recording medium which is derived from the period of time in which ... | 11/01/1988 |
| 4769673 | Image scanning apparatus An image scanning apparatus has a reciprocating member for scanning a document, a first motor for driving the reciprocating member, a first detection circuit for detecting the speed of the first motor, a first control circuit associated with the detection... | 09/06/1988 |
| 4746957 | Variable magnification copy machine In a variable magnification copy machine in which a scanning velocity of a scanning device can be varied according to a designated magnification, and either a two revolution process or a three revolution process is utilized, there is provided a device for... | 05/24/1988 |
| 4692021 | Image forming apparatus An image forming apparatus and method which drives a display device and an optical scanning device to visually depict an image-reproducible range which is set in accordance with a selected magnification/reduction factor. The display device includes two in... | 09/08/1987 |
| 4650317 | Image forming apparatus with a unidirectional magnification function An image forming apparatus with a unidirectional magnification function, the apparatus comprising an original scanning unit for optically scanning an original in a predetermined direction so as to obtain an optical image, a variable magnification unit hav... | 03/17/1987 |
| 4629310 | Optical scanning system for variable-magnification copier An optical scanning system for a variable-magnification electrophotographic copier includes a first scanning carriage reciprocated along a path by endless bands attached to the carriage at transversely spaced locations and driven purely by friction. Pulle... | 12/16/1986 |
| 4627708 | Photocopying apparatus A photocopying apparatus is provided in which a moving area of a lens at the time of a magnification changing and that of an optical device such as a mirror unit overlap partly. At the time of the magnification changing, it is determined whether the optic... | 12/09/1986 |
| 4601568 | Document-scanning control apparatus for image-forming apparatus A rotational velocity control apparatus of a document-scanning motor in a copying machine comprises a first velocity detector for detecting the rotational velocity of a photosensitive drum and for generating a signal of a frequency corresponding to the de... | 07/22/1986 |
| 4595286 | Spread document copying method with variable magnification capability A spread document copying method for a copier having a variable magnification copying function is disclosed. In order to adequately copy right and left faces of a spread document even when magnifications other than a 1 magnification is selected, one of th... | 06/17/1986 |
| 4586808 | Optical system drive for image formation apparatus An optical system drive device for an image formation apparatus has a drive mechanism for reciprocally driving an exposure unit, and a pulse motor for supplying pulses to the drive mechanism. The pulses to be supplied to the pulse motor are stored in adva... | 05/06/1986 |
| 4571061 | Image forming apparatus An image forming apparatus providing a continuously variable copy ratio. A first drive mechanism optically scans an original by moving a lamp. A second drive mechanism varies a distance (a) from the original to a lens of an optical system and also a dista... | 02/18/1986 |
| 4571062 | Electrostatic copying process and apparatus An electrostatic copying process and apparatus capable of forming copies in at least two different ratios. The formation of a copied image involves exposure scanning of the image of an original document and projecting it on a photosensitive member through... | 02/18/1986 |
| 4563082 | Copying machine with automatic document feeder There is disclosed a copying machine with an automatic document feeder in which an original is held on a holding drum and a copy sheet is fed to a photosensitive drum in synchronism with the rotation of the holding drum. The copying machine with an automatic d... | 01/07/1986 |
