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5946427 Image reading method and image reading apparatus  
An image reading method and apparatus enable a high-speed, efficient reading of a multicolor image and a monochromatic image. The image reading apparatus has a color image pickup unit, a first...
5943451 Image scanner with automatic moving function and automatic sheet feeding function  
An image scanner having automatic moving function and comprising a contact image sensor (CIS) is disclosed. The image scanner includes an upper base and a lower base, the upper and lower bases are...
5940545 Noninvasive optical method for measuring internal switching and other dynamic parameters of CMOS circuits  
Intrinsic, transient optical emission from a CMOS integrated circuit is used to determine the internal switching of such a circuit including the temporal evolution of its logic states. By joining...
5940525 Fingerprint detection apparatus  
A fingerprint detection apparatus includes a plurality of first electrodes having linear shapes and arranged in parallel to one another, a plurality of second electrodes arranged between said...
5930405 Image change sensing and storage apparatus and method  
A still image of high resolution is stored as a reference image. Regarding images which are inputted later, they are inputted at lower resolution and analyzed, then if any portion differing from...
5930411 Image processing apparatus for adjusting scanning position  
Picture images being joined without connection gaps can be produced with high quality by adjusting a position error, even if an error is included in a scanning position being detected, and by...
5930410 Method and apparatus for obtaining multiple views from one scan window  
A computer operable method for implementing multiple views from a single scan window following a scanning process of an image scanner, the method involves designating the number of views to be...
5923794 Current-mediated active-pixel image sensing device with current reset  
An image sensing device comprising active pixels is disclosed, each pixel having a charge accumulation region for collecting charges generated by a photosensitive element such as a photodiode....
5917960 Image correlator, an image processing apparatus using the same, and a signal adder used in the image correlator  
In order to reduce the size of an apparatus capable of obtaining a result of correlation between images at a high speed, a multiplex selector for shifting addresses of a plurality of memories, a...
5912996 Method of enhancing the signal-to-noise within the pixel image of a hand entered symbol  
An input carrier sheet 12C for document distribution system 10 carries input symbols hand entered by the user into pre-existing constraint grids 12. The constraint grids may be printed in...
5909521 Multi-shot still image reader  
In order to provide a still image reader enabling easy acquisition of high resolution image data of a desired scope, sufficiently portable and not expensive at the same time, a multi-shot still...
5907644 Image acquiring device for component mounting apparatus  
An image acquiring device for a component mounting apparatus includes a line sensor provided with photodetecting elements in one array or a plurality of arrays, and a CCD register for transmitting...
5901256 Laser beam scanning device and apparatus provided with a laser beam scanning device  
A laser beam scanning device which has an improved cylindrical mirror in an optical path from a laser source unit to a polygonal mirror. The cylindrical mirror has a finite radius of curvature only...
5901257 Single chip color MOS image sensor with two line reading structure and improved color filter pattern  
The present invention is directed to a single chip color MOS image sensor with a novel two-line reading structure which is compatible with MOS fabrication technology. The invention allows the...
5894529 Desk-top three-dimensional object scanner  
A desk-top three-dimensional object scanner includes a camera body, a base, a retractable lever arm connecting the camera body and the base, and a compensation lighting device disposed at a bottom...
5889879 Object recognizer  
An object recognizer includes a computer system, a spatial division sensing device including a first sensor, a second sensor, and a first polarizer. An object feature generator is attached to an...
5887086 Image pick-up apparatus  
An image pick-up apparatus having character recognition capability includes a movable indicator displayed on a view-finder screen so that the image of a character formed on the view-finder can be...
5887087 Image reading apparatus  
CCD line sensors for detecting R, G, B colors are displaced by a piezoelectric element in a direction in which the CCD line sensors are arrayed, for repeatedly reading an image on one scanning line...
5887085 Image processing device  
An image processing device is provided with a scanning means which performs subscanning by a pitch corresponding to a width covering a number of pixels less than the number of detectable pixels by...
5883987 Image sensing system including a light source  
An image sensing system is provided with a fluorescent lamp which performs AC lighting to irradiate an object, an inverter power source which supplies currents to the fluorescent lamp, a lighting...
5877715 Correlated double sampling with up/down counter  
Disclosed is a circuit for performing correlated double sampling entirely in the digital domain. In an exemplary embodiment, the circuit includes a plurality of comparators, each having a first...
5875269 Information reading device  
An information reading device which has no need for mechanically moving a document or its reading portion and which is reliable to read information by using its two-dimensional reading system. A...
5864640 Method and apparatus for optically scanning three dimensional objects using color information in trackable patches  
The invention provides a three dimensional digital scanner which includes a multiple view detector which is responsive to a broad spectrum of visible light. The multiple view detector is operative...
5862248 Integrated circuit device having an opening exposing the integrated circuit die and related methods  
An integrated circuit device, such as a fingerprint sensing device, includes an integrated circuit die, a body of encapsulating material surrounding the integrated circuit die and having an opening...
5862272 Image detector  
In the image detector according to the present invention, a signal processing block generates a video signal by processing a pickup image signal corresponding to an image of an object which is...
5845019 Image reader  
A low-cost and small-size image reader incorporating a variable power function. An original document is irradiated with the light from a light source. The light is reflected in a reading position....
5841362 Optional apparatus connectable to other apparatus  
An optional apparatus which can be connected to a printer or other optional apparatus includes a communication section for communicating with other apparatus and a control section which executes a...
5838813 Dithered image reconstruction  
A dithered image reconstruction system and method that compensates for inter-detector errors in a manner that does not adversely affect detection of small-amplitude images in the presence of a very...
5825945 Document imaging with illumination from lambertian surfaces  
In a check processing array, an imaging/illumination arrangement for illuminating and imaging checks at one or several imaging sites as they are rapidly, continuously transported past two or more...
5818028 Portable data collection device with two dimensional imaging assembly  
The invention relates to a portable data collection device. The device includes a two dimensional (2D) photosensor array imaging assembly selectively actuatable for reading bar code dataforms and...
5815608 Apparatus and method for sensing and processing images  
An apparatus for sensing and processing images is provided with a photo detector array arranged in a matrix form, a control circuit for feeding a row of the array with voltage for sensitivity...
5812706 Scanner of any type of document and implementatioin process for said scanner  
The invention relates to a scanner of any type of document having at least one processing device making it possible to integrally control the scanner with its associated sensors and in particular...
5796876 Apparatus for reading image and method therefor  
An image to be read is divided into blocks, and pixels included in each block are consecutively binarized on the basis of a threshold. At this time, the threshold is determined in accordance with a...
5778109 Image processing apparatus  
An image processing apparatus is furnished with (1) a tabletop main body, (2) a readout scanner, attachable to and detachable from the main body, for outputting readout image data, (3) a portable...
5771106 Shading correcting means for image forming apparatus  
There is provided by the present invention an image forming apparatus including a one-chip microcomputer having white reference data for a first sheet of copy fetched with shading gate arrays in a...
5768448 Image reader with optional automatic document feeder  
An image reader is provided with a reader body, an optional unit optionally and detachably attached to the reader body, an image sensor including a light receiving area on which a light is...
5764798 Prioritized searching methods for finding a coded symbol in a digitized image  
An electro-optical imaging system that utilizes an efficient search algorithm to find a coded symbol within a digitized image is provided. A digitized image of an area of an object having a coded...
5751866 Image scanning system  
A line sensor having a plurality of photoelectric conversion elements is provided for producing image data dependent on an optical image of at every scanning line. Marker data of a green line is...
5748339 Image sensing apparatus  
Provided is an image sensing apparatus in which it is possible to use an optical system having a large aperture and an image sensing system such as an image sensing element in an image sensing...
5748808 Image reproducing method and apparatus capable of storing and reproducing handwriting  
A handwriting storing and reproducing method which takes small images including a leading edge for writing and stores the small images in a time sequential manner following a movement of a writing...
5745046 Surface shape sensor, identification device using this sensor, and protected system using this device  
A device for performing identification by sensing the fingerprint of a finger includes an input unit. The input unit is constituted by a plurality of linear contact electrodes formed on a...
5740286 Digital information decoding method having a re-reading step  
Provided is a digital information decoding method capable of speedily and surely reading digital information recorded as a two-dimensional pattern by giving a mark to each of matrix meshes set...
5729639 Sensor system having detector to detector responsivity correction for pushbroom sensor  
A responsivity calibration system for use with an array of detectors. The system includes a first mechanism for changing the orientation of the detector array from the first orientation, during an...
5717779 Filtering illumination for image lift  
Arrangement for lifting image of checks, with Xenon lamp, Fluorescent lamp or like source of stable-wavelength-output and CCPD Camera means selected to exhibit "close-to-human" spectral response...
5703971 Process and device for analyzing and restoring image data in a digital signal from a scanned document  
A process and device for analyzing image data and performing automatic optimization of a black and white image created by a scanner. The process and device performs dynamic thresholding by...
5701361 Adjusting illumination for image lift  
Arrangement for lifting image of checks, with Xenon lamp, Fluorescent lamp or like source of stable-wavelength-output and CCPD Camera means selected to exhibit "close-to-human" spectral response...
5642202 Scan image target locator system for calibrating a printing system  
A system and method for calibrating a printing system includes a printer and a master test image document printed by the printer. The master test image has three locator symbols and a plurality of...
5628575 Automatic paper feeder and frame structure of document input device  
An automatic paper feeder of a document input device includes a pick roller 20, separator pads 68 that come into contact with the pick roller 20, a first pair of pick springs 58, and a second pick...
5625770 File system for filing documents, using a catalog card having a plurality of marks thereon  
A catalogue card and a document card are used for a file system. The document card indicates a predetermined document. The catalogue card indicates a catalogue of the document. Since the catalogue...
5606173 Arrangement for aligning, focusing and normalizing imaging system  
A set of track gauges for use in aligning, focusing and normalizing an imaging system of a high speed document processor have been provided. Each of the gauges fit within a track (14) in front of...