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7039257 |
Scanning optical apparatus and image forming apparatus using the same
At least one beam emitted from a light source is deflected by a deflector, and the beam deflected by the deflector is imaged on a surface to be scanned by imaging optical system having a...
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6917710 |
System and method for scanning a region using a low discrepancy curve
A scanning system and method for scanning for an object within a region, or for locating a point within a region. Embodiments of the invention include a method for scanning for an object within a...
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6804399 |
Method and system for computerized high-rate image processing
A method and system provides computerized high-rate image processing. Each detecting element receives electromagnetic radiation and produces an electrical detection signal according to an amount of...
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6542636 |
Method and system for computerized high rate image processing
A method and system provides computerized high-rate image processing. Each detecting element receives electromagnetic radiation and produces an electrical detection signal according to an amount of...
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6288794 |
Variable sample rate converter adaptable to rational ratios
A variable sample rate converter, adaptable to rational ratios, converts a plurality of data having a first sample rate to a plurality of data having a second sample rate. The variable sample rate...
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6101266 |
Apparatus and method of determining conditions of bank notes
An apparatus and method for providing an indication of a type and/or a condition of a note passing through the apparatus includes a note transport (12) which moves the note past transversely spaced...
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5991470 |
One-dimensional scanner system for two-dimensional image acquisition
A one-dimensional scanner system for two-dimensional image acquisition includes a flying spot scanner for scanning in a line at a first velocity in a first direction across an object which is...
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5861914 |
Method and system for representing information data with deviation of interrogating element from field limit at any point
A system for representing information data has a scanning device for scanning information data and including a unit for interrogating the information data and formed as a movable interrogating...
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5805342 |
Imaging system with means for sensing a filtered fluorescent emission
An improved imaging system operates at the diffraction limit of the optics to which it is connected and outputs a signal representative of the sample S lying in the sample plane 17. The imaging...
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5430807 |
Variable magnification color scanning light microscope
An improved imaging system operates at the diffraction limit of the optics to which it is connected and outputs a signal representative of the sample lying in the sample plane. The imaging system...
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4947449 |
Apparatus for simultaneously extracting various types of projection features of an image
In an apparatus for simultaneously extracting various types of projection features of an image such as a character or any other figure, an image whose projection features are to be extracted is...
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4894540 |
Image forming method using secondary electrons from object for noise elimination
An image forming method includes a first step of irradiating a beam onto an object, and using an intensity corresponding to an image area onto which the beam was irradiated as an intensity of a...
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4695721 |
Surface texture recognition using multi-directional scanning
In the invention, a light beam is scanned along a surface bearing data, such as a serial number. Reflected light is measured and processed for character recognition. The invention wobbles or...
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4685147 |
Optical reading and displaying device
An optical reading device provided with an exclusive display section for displaying character patterns and the like in response to electrical signals applied from deflection control circuits. The...
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4424589 |
Flat bed scanner system and method
A flat bed scanner system for optically sensing a transparent original image and producing three channels of binary digital data representing the densities of the original image. Each channel...
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4160237 |
Optical reader for multiline image processing
The polarization of a scanning laser beam is made to oscillate at a relatively high frequency between orthogonal polarization states while being raster scanned across a multiple line pattern at a...
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4041454 |
Data handling system with remote document scanner
A central time-shared data processing system organized for character analysis and coupled to a number of remote document scanning stations each including a drum document feed, the drum being...
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4038493 |
Method and apparatus for phototypesetting
Method and apparatus for use in phototypesetting operations wherein a character, e.g. in transparency form, is scanned, for example, by a lightspot output of a cathode ray tube of the...
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4032888 |
Nonlinear scan drive reader with variable clock correction
A mirror driven by a resonant mechanical oscillator is used to scan a laser beam across a document. The incident laser beam line scans the record and is absorbed or reflected depending upon the...
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4019026 |
Laser beam label reader head
A laser beam label reader head of single common axis type wherein light reflection coming from a laser-irradiated label along the axis of a scanning laser beam is diverted by an apertured mirror...
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4006343 |
Code read-out means
This invention is characterized by apparatus for detecting whether an object having information to be read-out is located in a scanning light beam. Means are provided for starting or stopping...
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RE29104 |
Method of scanning documents to read characters thereon without interference from visible marks on the document which are not to be read by the scanner
An optical character recognition system including a laser scanner unit adapted to scan a document having preprinted markings to indicate where the characters are to be placed. Variations in light...
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3995166 |
Optical scan pattern generator for code reading systems
A reader-scanner system using a laser as a source of a narrow beam of light and having optical means for directing the light beam from the laser to a scan target area with the optical means...
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3908078 |
Method and apparatus for digital recognition of objects particularly biological materials
An object field is scanned in two dimensions to produce a video signal representative of an object therein. An analog-to-digital converter produces digital outputs at a rate such that the sampling...
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3820067 |
CHARACTER READING SYSTEM CONTROLLED BY PREPRINTED PROGRAM CONTROL CHARACTERS ON DOCUMENT FORM
An optical character recognition system including a laser scanner unit adapted to scan a document having preprinted markings to indicate where the characters are to be placed. Variations in light...
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3806871 |
MULTIPLE SCANNER CHARACTER READING SYSTEM
A system comprising a central station having data processing apparatus with a common data buss arrangement interconnecting a data processor with its peripheral devices including a number of...
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3758783 |
READER MECHANISM FOR OPTICALLY DISCERNIBLE CHARACTERS
A reader mechanism for optically discernible characters, especially characters associated with an article and applied thereat or thereto and which can be located within a predetermined depth of...
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3742225 |
READER MECHANISM FOR OPTICALLY DISCERNIBLE CHARACTERS
A reader mechanism for optically discernible characters, especially characters associated with an article and applied thereat or thereto, wherein a transmitted beam linearly scans a reference plane...
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3711831 |
PATTERN SCANNING SYSTEM
A pattern search means used for a pattern recognition system, wherein a pattern such as a written character is searched by an electronic beam spot which scans the field along a line having at least...
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3673566 |
USE OF A PLURALITY OF SCANNING DIRECTIONS FOR CHARACTER CENTER LINE DETERMINATION
Device for determining the character center line i.e. the line interconnecting the centers of the line elements of a character, comprising a part for displaying a character characterized in that a...
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3668409 |
SCANNER/DECODER MULTIPLEX SYSTEM
A time division multiplex optical scanning system is disclosed capable of sampling a number of optical scanners, each of which scans at a predetermined scan rate including a plurality of scanners...
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3629827 |
SYSTEM AND METHOD FOR DETERMINING THE POSITION, HEIGHT AND WIDTH OF A CHARACTER MARKING
A beam is linearly swept across a character marking and stepped in directions perpendicular to the sweep. The extremes of the marking in four orthogonal directions, as determined during the sweep,...
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3611267 |
APPARATUS FOR OPTICAL CHARACTER RECOGNITION
A method and apparatus for optical character recognition including a video camera for scanning a page of printed matter along a scanning pattern which progresses across the page from side-to-side...
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3593284 |
RETROGRESSIVE SCANNING PATTERN
A retrogressive scanning pattern for use in a character recognition system having means for scanning a field and means responsive to the field for producing signals in accordance with the lightness...
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3584144 |
REMOTE DOCUMENT SCANNER
An optical scanning unit particularly adapted for use in remote optical character recognition systems or the like and including a document feed drum together with a rotating mirror arranged to...
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3582884 |
MULTIPLE-SCANNER CHARACTER READING SYSTEM
A system comprising a central station having data processing apparatus with a common data buss arrangement interconnecting a data processor with its peripheral devices including a number of...
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3549894 |
ARRANGEMENT FOR OPTICALLY SCANNING A RECORDING MEDIUM USING FIXED LAMPS FOR ILLUMINATION
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3546671 |
APPARATUS FOR DETERMINING ONE OR MORE GEOMETRICAL PROPERTIES
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3536950 |
CALIBRATION ERROR DETECTION AND CORRECTION IN A DOCUMENT READING SYSTEM
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3534332 |
ELECTRONIC SYSTEMS AND APPARATUS FOR RECOGNISING PRINTED CHARACTERS
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3522437 |
READING APPARATUS FOR TWO OR MORE DIFFERENT SIZE TYPE FONTS
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3521236 |
ELECTRO-OPTICAL APPARATUS FOR RECOGNIZING PRINTED OR WRITTEN CHARACTERS
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3509415 |
FORMAT SCHEME FOR VIDICON SCANNERS
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3506963 |
CHARACTER RECOGNITION SYSTEM
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3504342 |
SYSTEMS FOR SENSING AND RECOGNISING OR ANALYSING DATA
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3503043 |
APPARATUS FOR INTERROGATING ALPHA-NUMERIC CHARACTERS
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3492647 |
OPTICAL CHARACTER READER EMPLOYING GATED AMPLIFIERS
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3482210 |
CHARACTER RECOGNITION SYSTEM USING A PLURALITY OF DELAYED SCANS FOR DETERMINING CHARACTER FEATURES
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3471831 |
ELECTRONIC SYSTEMS AND ARRANGEMENTS FOR RECOGNISING PRINTED CHARACTERS
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3469263 |
CHARACTER RECOGNITION SYSTEM
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