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7362455 Processing scanned pages  
Systems and methods of processing scanned pages are described. In one aspect, the invention features a method of processing a sequence of scanned pages of a document in accordance with which, page...
7193733 Digital skew correction method and apparatus for multi color printing machine  
The present invention enables helical scanning of an image and results in a rectangular image, centered on the imaging media with its boundaries parallel to the media edges and/or to the gripper line.
6888650 Apparatus and method for reading document  
A document reading apparatus and method are provided for outputting an image faithful to a document as possible even if the document is accidentally fed in an oblique fashion on the way of a sheet...
6771398 Drum scanner with loading magazine  
In a combination of a drum scanner and a loading magazine, the drum scanner includes a holding and rotating device equipped for holding an interchangeable copy cylinder firmly from below in an at...
6624901 Digital skew correction method and apparatus for multi color printing machine  
The present invention enables helical scanning of an image and results in a rectangular image, centered on the imaging media with its boundaries parallel to the media edges and/or to the gripper line.
6580527 Method and arrangement for scanning masters  
In a method and apparatus for point-by-point and line-by-line scanning of masters chucked on a scanner drum, for pixel-by-pixel illumination of the master, a light spot is generated with a light...
6023348 Rotary image scanner capable of mounting drums of various diameters  
A dual drum rotary image scanner has a headstock and a tailstock between which may be mounted drums of different diameter. The tailstock has substantially annular surfaces which contact...
5675420 Intaglio engraving method and apparatus  
This invention relates to an engraving method and apparatus for engraving a cylinder for printing an intaglio pattern on a web of material. The engraver comprises a driver for rotatably driving the...
5668588 Spiral scanning image recording apparatus and image recording method  
A CPU calculates an optimum inclination angle, an optimum movingspeed (V X ) and an optimum displacement time of delay timing on the basis of input signals commanding resolution, a rotation cycle...
5589952 Disc high resolution scanner  
A high resolution scanner apparatus has a disc upon which is mounted an original to be scanned. The disc may include a track for providing high accuracy tracing of the original. If the original is...
5568282 Rotary drum scanner  
A compact rotary drum colour separation scanner includes a drum which is rotatably mounted about an upwardly extending axis which is preferably slightly inclined to the vertical. A part of the...
5410420 Drum scanner focusing system  
A focusing system for the optical head of a rotary drum scanner establishes focus quickly and automatically by iteratively scanning a line of a document on the drum and repeatedly adjusting the...
5278676 Method and apparatus for cyclic scanning of images  
Image scanning apparatus comprises a radiation source to generate a radiation beam, a support on which an original image is mounted in use so that the radiation beam is incident, in use, on the...
5208680 Layout position designating sheet and method of mounting original using the same  
An original mounting sheet attached to a scanner drum for positioning originals for reading a plurality of originals in an image reproducing apparatus such as a color scanner comprises a first...
5153769 Scanning apparatus and method  
Scanning apparatus including a light source for providing at least one light beam, a medium for receiving the light beam and two helical optical apparatuses disposed between the light source and...
5048108 Data processing device with processors arranged in a looped line configuration using helicoidal addressing for processing data relating to pixels  
The present invention concerns a data-processing device relating to pixels. This data is marked per line and per column. The device comprises processing means comprising at least four identical...
4996605 Method and apparatus for image scanning input for an image scanning recording apparatus  
An image input apparatus for an image scanning reading apparatus comprises a cylindrical holder for holding a plurality of originals and reference portions for calibration serving as references in...
4992890 System for plotting and scanning graphic images  
A system for scanning or plotting a graphic image. The system deflects (10) a portion of the beam of light (18) by an amount dependent upon the value of a characteristic of a signal (12). A...
4980781 Method of and apparatus for setting original in image  
An original (1) to be reproduced is held in holder (11) and then the holder (11) is loaded into a projector (10). An image of the original (1) is projected on a layout sheet (18) which is placed on...
4960313 Apparatus for rotating a light image and an optical system for focusing light beams on a recording medium  
An apparatus for rotating a light image comprises an optical medium such as a Dove prism, an assembly of three mirrors, a triangle prism etc., and a unit for rotating the optical medium. The...
4933779 Image scanner apparatus of the drum type having an efficient line-of-light illumination system  
Image scanner apparatus includes a drum having an aperture rotatable about an axis. A mechanism clamps a border of an exposed photographic film to the drum, with the film image aligned with the...
4897737 Apparatus for scan rotation in image scanning equipment  
Apparatus for providing controllable scan rotation of the image representation of an original revolving in a drum scanner is disclosed, the apparatus having: illumination means defining an...
4870504 Image scanning apparatus including means for selecting one of a plurality of scanning drums to be scanned  
A drum scanning type image scanning apparatus comprises a disk form scanning drum holding means (30A) provided with a plurality of scanning drums (3) on the same circumference, a main scanning...
4864554 Method of and device for scanning a radiation-sensitive surface of a rotating carrier with a radiation beam  
A method and apparatus for scanning a rotating optical disc record carrier with a radiation beam which forms a scanning spot on the carrier and which is moved radially relative thereto. Pulses are...
4827129 Sweep device for a storage luminescent screen  
A sweep device for a storage luminescent screen, in which x-ray images are latently stored, includes a drum having an interior on which the storage screen is mounted, a stimulating radiation source...
4816923 Two dimensional light beam scanner used in radiation image information readout  
A radiation image information readout device has a sheet fixedly supported on the concave surface of a semicylindrical support is scanned in a main scanning direction by a light beam which is...
4812916 Visual monitoring device which projects an image of a register mark onto a scanning surface for use in setting image processing conditions  
Image processing conditions for scanning and processing an original by an electronic process scanner are set by an external image processing condition setting apparatus wherein a first system of...
4794462 Method and system for patching an original at a desired angular orientation on a scanner input drum or an original patching sheet and extracting original trimming data  
At least one original is patched on an input drum of a scanner or an original patching sheet to be mounted on the input drum at a desired angular orientation as a function of location data...
4775886 Apparatus for performing a plurality of editing processes according to a predetermined order of priority while recording a composite image  
An apparatus for editing picture images and reproducing edited images is disclosed. Positional information, which indicates areas of a film and color plate for which editing operations (including...
4754325 Method and apparatus for producing a color-separation film by recording at least one trimmed color-separation image and a masking region simultaneously  
A color-separation film is produced for one or more original pictures which require trimming by carrying out a separation process by means of a color scanner. The original pictures are adhered to a...
4745487 Helical scanning apparatus with one or more rows of scanning elements and an object of scanning disposed at an angle to the axis of a rotating drum to eliminate skew of scanning lines  
A rotating-drum scanning apparatus includes a rotating drum and a feed mechanism for feeding a rectangular sheet to the drum and winding it around the drum so that one side of the sheet is inclined...
4635108 Scanner-previewer combination including a programmable sampling circuit for permitting an entire frame of an original to be stored in a fixed-capacity memory  
Signals corresponding to the color content of an original, generated by scanning the original mounted on a rotating drum, are sampled and held at a coarse or low-resolution scanning rate. The...
4591880 Method of correcting distortion of an image reproduced by an image reproducing system  
Image distortion is corrected by advancing the recording start position for a scan line as scanning progresses when an image is reproduced with an image reproducing system.
4556901 Method for scanning a plurality of scanning lines at the same time  
A method for scanning an original picture photoelectrically to obtain picture signals consecutively, whereby recording a reproduction picture in a picture scanning reproducing machine such as a...
4525749 Method and apparatus for scanning an object by using the light  
A method and apparatus for scanning an object such as a photosensitive material by using the light beam or beams for use in a picture reproducing machine such as laser reproducing apparatus for...
4404598 Copying and engraving apparatus  
In an engraving machine a scanning head on the carriage is positioned adjacent a reader drum, and an opposite cutter head is positioned adjacent an engraving drum. The scanning head is movable...
4366509 Facsimile apparatus with multiple scanning and printing elements  
A drum-type transceiver facsimile machine having a plurality of light-to-electric transducers and a plurality of printing styli moved axially of the drum for scan/print operation. Shift register...
4327380 Control method for reproduction picture positions in a direction of a cylinder's axis  
A method for controlling positions of reproduction pictures on a recording film mounted to a recording cylinder in the direction of the cylinder's axis, for use in a picture reproducing machine,...
RE30911 Optical scanning and encoding device  
An optical scanning and encoding device for providing a print signal pulse train to an ink jet printer in which a master image, including a reference image area, is scanned along a scan line. An...
4314159 Document scanner  
A scanner for scanning a document positioned against a backing surface to determine the position of the document includes photoelectric transducers which provide electrical scan signals in...
4280145 Non-linear, multi-speed, bi-directional facsimile subscan drive control  
A bi-directional subscan drive control for a drum-type facsimile machine utilizing a single, bi-directional, electrically controlled stepping motor for driving the scan head of the facsimile...
4262311 Device for automatically returning sub-scanning carriage of facsimile apparatus  
According to the present invention, there is provided an automatic carriage-returning device for a facsimile apparatus comprising a rotary drum for performing the main scanning, a carriage for...
4258264 Method of and apparatus for reading out a radiation image recorded in a stimulable phosphor  
A radiation image recorded in a stimulable phosphor sheet or plate is visualized by stimulating the phosphor with stimulating rays. Being stimulated by the stimulating rays, the phosphor emits...
4251836 System for broadcasting facsimile signals  
A system for broadcasting data makes it possible to broadcast facsimile d toward a plurality of telecopying apparatuses, using an asynchronous broadcasting network. To each telecopying device there...
4227219 Carriage guide mechanism for use in scanning device  
A carriage guide mechanism for use in a scanning device wherein in order to facilitate the maintenance and repair of an image reading or recording head such as an ink jet head, carriage guide means...
4174527 Method for locally precisely setting the start and end of reproduction in an engraving apparatus  
Method and apparatus for locally precisely setting the start and end of the reproduction of an image pattern wherein a first signal is produced by scanning a starting mark which determines the...
RE30008 Facsimile apparatus and method of operation  
A facsimile transceiver comprising a document/copy receiving drum, a motor for rotation of the drum about the drum axis and a read/write head mounted for linear movement in a direction parallel...
4149195 Method and apparatus for producing rastered printed forms  
A method and apparatus for producing rastered printing forms, in which an image pattern is opto-electronically scanned to obtain an image signal, and the printing form production is effected by...
4131916 Pneumatically actuated image scanning reader/writer  
A hollow tubular shaft, containing optical elements for use in a helical scanning facsimile transceiver, is supported horizontally by air bearings and translated linearly along its major axis...
4028732 Apparatus and method for display of images  
An image display method and apparatus in which a laser beam is modulated to vary in intensity in response to electric or electromagnetic signals received and is traversed along a photosensitive...
Matches 1 - 50 out of 155 1 2 3 4 >