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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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