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5706099 |
Method and apparatus for generating serpentine halftone images
An apparatus and method for producing a halftone image which generates halftone cells based on grayscale image data values. Each of the halftone cells is formed from serpentine dot patterns. The...
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5700998 |
Drug coding and delivery system
A method of coding drug pills in which a machine readable code is placed on the outer surface of the drug pills. The code includes the name and dosage of the pill. The code is a linear bar code, a...
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5694102 |
Vector reconstruction of asynchronously captured tiled embedded data blocks
To facilitate the recovery data from an embedded data pattern through the use of a appropriately sized capture window that is randomly positioned within the data pattern, the embedded data pattern...
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5691527 |
Two dimensional code reading apparatus
A two-dimensional code reading apparatus including a CCD sensor that captures an image including a two-dimensional code attached on an article being conveyed, for example. The two-dimensional code...
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5691773 |
Anti-hand-jittering dataform readers and methods
Dataform readers using two-dimensional sensor array cameras provide image frames comprising successive first and second fields of image data. In hand-held operation, hand jitter results in image...
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5686718 |
Recording method, decoding method, and decoding apparatus for digital information
There is provided a method for recording digital information that, when digital information is recorded as a two-dimensional pattern on a planar recording surface, the digital information can be...
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5686715 |
Add-on bar-code reading apparatus in a bar-code reader
An add-on bar code reading apparatus used in a bar code reader identifies a block of a main-part bar code by detecting start and end guard-bars, determines a right end of the main-part bar code...
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5677522 |
Method and apparatus for non-contact reading of a relief pattern
An improved non-contact apparatus and method for reading a surface that has information encoded in a relief pattern thereon, includes an optical transmitter for projecting a line of light onto the...
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5675136 |
Optoelectric device for the recognition of contrast marks
An optoelectronic device for recognizing marks provided with defined contrast patterns includes a transmitting element that transmits a light beam and a receiving element. The beam of transmitted...
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5668608 |
Motion vector estimation method and apparatus for use in an image signal encoding system
An inventive apparatus estimates correct motion vectors between a current and its previous frames for feature points selected from the previous frame. A motion vector detector first determines a...
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5636292 |
Steganography methods employing embedded calibration data
An identification code signal is impressed on a carrier to be identified (such as an electronic data signal or a physical medium) in a manner that permits the identification signal later to be...
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5635694 |
System and method for embedding machine coded destination information into a postal mark
A system and method embeds a postal code in a postal mark. The system includes a scanner to input a destination zip code for a piece of mail and a control unit, connected to the scanner, to convert...
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5627900 |
Optical data cards for operating sound synthesizer system
An optical data storage and retrieval system uses printed cards having a plurality of parallel tracks of contrasting fields representing digital 1's and 0's. A timing track is included as one of...
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5621515 |
Identification system using regions of predetermined properties interspersed among regions of other properties
In an article identification system comprising a plurality of identification regions affixed on an article, a light emitting device for impinging an illuminating light beam onto at least some of...
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5612524 |
Identification symbol system and method with orientation mechanism
The present invention is a symbol 10 that includes a square array 12 of data cells 14 surrounded by a border 30 of orientation and timing data cells. The border 30 can be surrounded by an external...
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5602382 |
Mail piece bar code having a data content identifier
A bar code for mail pieces uses bars each of which has four possible states. Two different bars indicate the start of the code and the same two bars in the same order indicate the end of the code....
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5591956 |
Two dimensional data encoding structure and symbology for use with optical readers
A two dimensional (2D) matrix symbology for use with bar code and other optical readers. A finder structure includes a center square and a plurality of nested squares having centers that...
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5591957 |
Apparatus for reading mesh pattern image data having bars along upper and lower sides of mesh pattern and a boundary line between horizontally adjacent dark and light area of mesh pattern
A data reading apparatus reads data of dots from a recording sheet on which data is recorded in the form of a mesh pattern, and decodes the read data into binary data. The data reading apparatus...
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5576532 |
Interleaved and interlaced sync codes and address codes for self-clocking glyph codes
Self-clocking glyph codes encode interleaved or interlaced codes to facilitate the partitioning and correlation of data embedded within such glyph codes.
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5576528 |
Color processing for bar code symbol compaction
A method and apparatus for increasing the information density of a bar code symbol by generating multiple constituent bar code symbols, wherein each one is formed in a different color selected from...
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5572010 |
Distributed type labeling for embedded data blocks
Recognizable codes, such as pseudo-noise ("PN") sequence address codes, are employed for type labeling embedded data patterns, such as self-clocking glyph code patterns. For example, this type...
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5572009 |
Method for encoding a machine-readable measurement scale
A method for encoding a machine-readable scale in which a BP code is formed from a P code with length k and whose half-bits and whole bits are alternately provided with light and dark coloring. The...
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5568555 |
Multi-color information encoding system
An exceptionally dense information encoding system, with 4-10 times the density of CD ROM diskettes, employs colored areas in the form of bars or checkerboard matrices of colored dot regions to...
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5563401 |
Bar codes and methods
Improvements in product and production codes and methods for reading same. In one form a bar code is provided wherein one or more of the individual bars of the code are printed or otherwise formed...
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5563955 |
Apparatus and/or method for recognizing printed data in an image
A system for recognizing and locating in an image, printed data of a known spatial characteristic. A digital matched filter is used to identify the presence of the printed data via an auto...
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5554842 |
Luminescent facing marks for enhanced postal indicia discrimination
A postal indicia is disclosed that contains markings thereon which may be used to distinguish between availability or non availability of additional security and sorting information. The foregoing...
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5554841 |
Article marker and decoding method
A graphical symbol encoding a numerical value may be accurately read even when placed on a non-planar surface. The marker is imaged with an inventive apparatus and analyzed using an inventive...
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5552591 |
Presence/absence bar code
A single width bar code exhibiting inherent self clocking characteristics is provided so as to be particularly useful in the identification of semiconductor wafers in very large scale integrated...
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5552593 |
Template or reticule for quality control of a hexagonal code having an acquisition target and an alignment target
A print quality, see-through template determines if a hexagonal coded symbol area imprinted on a package falls within allowable limits. The template includes boundaries corresponding to a minimum...
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5550363 |
Optical information reading apparatus
An optical information reading apparatus includes a two-dimensional image pickup apparatus having a number of photoelectric conversion elements arranged in a plane for capturing an image of optical...
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5548110 |
Optical error-detecting, error-correcting and other coding and processing, particularly for bar codes, and applications therefor such as counterfeit detection
Bar codes, comprised of black and white stripes, are shown to be a finite topic, and the optimum bar code methodology, binary coded binary, BCB, is disclosed. Binary digits are utilized to...
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5545890 |
Apparatus and method for storing and reading data
An apparatus (38) for storing data includes a storage media (14). Also included are a number of vertical bars (40), each providing a vertical edge (50) for defining columns (44), and a number of...
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5521372 |
Framing codes for robust synchronization and addressing of self-clocking glyph codes
An optically readable record for storing encoded information comprises (1) a recording medium, (2) a self-clocking data code for encoding the information, with this data code being composed of...
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5521371 |
Rewritable bar code display medium, and image display method and image display apparatus using the same
A rewritable bar code display medium is disclosed, which is composed of a support and a reversible thermosensitive recording layer for reversibly forming bar codes therein formed on the support,...
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5514863 |
Return mail piece and method of marking the same
A return mail piece includes a generally rectangular sheet of material with a delimited mailing address zone, a bar code zone in the lower right corner of the sheet, and a subclassification zone in...
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5515447 |
Method and apparatus for locating an acquisition target in two-dimensional images by detecting symmetry in two different directions
A system and method are disclosed for locating an acquisition target consisting of a plurality of concentric rings of alternating levels of reflectivity (bull's-eye pattern) in two-dimensional...
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5508499 |
Method and apparatus for the univocal and permanent connection of containers for medical use to a given patient
The apparatus comprises a device for the transfer (13) of containers (12) which takes containers (12) from a magazine for containers (11) to convey them in succession to a delivery station (16)...
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5507527 |
Two dimensional code for processing data
A system for reading two-dimensional code marks on an article includes a camera for imaging the marks and signal processing means coupled to the camera for processing information contained in the...
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5504322 |
High density two dimensional bar code symbology
A nonvolatile electro-optical read-only memory includes a substrate on which is printed (or otherwise inscribed) a complex symbol or "label" with a high density two-dimensional symbology, a...
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5493107 |
Shelf price label and product placement verification method and apparatus
A price verification method for retail stores using shelf pricing, and apparatus therefor, in which the shelf labels are provided with an extended bar code having the item number and price of the...
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5489767 |
Media labeling system for data storage elements having a common form factor
The media labeling system makes use of human-readable and machine-readable label indicia to automatically identify of the media type contained within each of a plurality of data storage elements...
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5490217 |
Automatic document handling system
A system and method for the filing, retrieving, verifying, translating, exchanging and updating documents by scanning said documents into and storing said documents on a programmed computer system,...
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5486689 |
Method and apparatus for decoding unresolved multi-width bar code symbology profiles
A method and apparatus for decoding profiles which fail to resolve narrow elements in multi-width symbols, first begins by identifying which elements in the profile are resolved. Second, the...
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5484998 |
Bar-coded card with coding and reading system
A bar-coding system employs a unique bar code pattern which includes a code represented by a series of dark and light stripes that may be easily decoded by a very inexpensive reader with greater...
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5485000 |
Filing system scanner and bar code with identification marker bars
A filing system is provided for locating a particular file contained in a file holder which contains a plurality of files. The apparatus includes a machine-readable code mounted on each of the...
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5484999 |
Dynamically variable machine readable binary code and method for reading and producing thereof
A machine readable binary code which is dynamically variable in size, format and density of information is provided. The binary code is formed as a matrix having a perimeter and data contained...
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5481095 |
Code reading pattern and an image pickup apparatus for reading the pattern
A code reading pattern and an image pickup apparatus are provided for reading a symbol representing significant information, the symbol encoded by the pattern. The code reading pattern is formed by...
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5481100 |
Spirally arranged bar code
A bar code is formed of a number of parallel bars adapted to be provided circumferentially on a tubular or rod-like work and extend spirally about the center line of the work. In an alternative...
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5481103 |
Packet bar code with data sequence encoded in address/data packets
A machine readable code in a form such as a bar code uses self-addressed address/data packets which can be positioned in arbitrary orders and configurations. Additional benefits, such as ability to...
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5479269 |
Automated form handling and generating system and a form sheet associated to said system
A document handling system comprises physical presentation means for receiving, presenting, and removing a document with respect to the system. Furthermore, it is provided with scanning memos for...
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