Matches 1 - 50 out of 135 1 2 3 >
Match Document Document Title
7164133 Delivery device and method for its operation  
A system of marked medical containers comprises at least two containers having different properties in at least one respect, and at least one machine-readable marking on each of the containers,...
7138903 Lock module using colored light rays to identify the application of an accurate key  
A lock module includes a transmitting module to continuously transmit multiple colored light rays, a key adapted to be inserted into the keyhole of the lock and having multiple colored optical...
7095033 Multi-sided die with authenticating characteristics and method for authenticating same  
A system and method for authenticating a multi-sided die by viewing the die under invisible ultraviolet light. A die body has a plurality of sides of substantially equal area. A plurality of...
7030371 Luminescence characteristics detector  
Security documents or articles carrying luminescent marker compounds which show a time-deferred emission characteristic are authenticated by a method and device which allows for rapid extraction of...
6903342 Banknote acceptor  
An infrared banknote acceptor for use to verify the authenticity of banknotes is constructed to include a housing, the housing having a base adapted to hold the banknote to be verified, a light...
6775381 Method and apparatus for editing and reading edited invisible encodements on media  
A print media has a visible image and a plurality of invisible encodements comprising data printed over it in a hierarchy order, wherein the encodement of the highest order represents a replacement...
6741336 Sensor for authenticity identification of signets on documents  
A sensor is proposed for authenticity identification of luminescent identification features on documents, in which the identification feature is illuminated with an excitation wavelength and may...
6734420 Differentiable spectral bar code methods and systems  
Devices, systems, methods, and compositions of matter can track and/or identify a library of elements, particularly for use with fluids, particulates, cells, and the like. Signals from one or more...
6707042 Apparatus for reading codes of thermoluminescence detectors  
In an apparatus for reading codes of a thermoluminescence detector, a housing including an optical unit is disposed on a base together with a disc-like magazine, which is rotatably supported...
6669093 Hand-held dataform reader having multiple target area illumination sources for independent reading of superimposed dataforms  
A portable data collection device having a modular imaging-based dataform reader. The dataform reader is adapted to independently read first and second overlying dataforms, the first dataform is...
6542622 Methods and articles for determining invisible ink print quality  
A test target having N invisible test data encodements ( 66 0 -66 N , 74 0 -74 N , 74′ 0 -74′ N ) each comprising test data printed over the surface of test print media media in a defined...
6384409 Optical tracking system  
An optical system for the tracking or verification of items, having an energy source (e.g., an illumination source), selectively producing a specific wavelength (or small set of wavelengths, such...
6378976 Use of an essentially colorless marker to allow evaluation of nozzle health for printing colorless “fixer” agents in multi-part ink-jet images  
A method and apparatus for a test pattern used in the alignment of an ink-jet pen which deposits fixer fluid, or other clear ink precursor fluid, or even colored ink fluid, on print media...
6274873 Spectrum analyzer for reading authentication marks  
A spectrum analyzer determines the light emission characteristics of an authentication mark that is invisible when illuminated with visible light but is visible when illuminated with IR light. The...
6259112 Apparatus and method for determining imaging quality in a computed radiography system  
A method of ascertaining imaging quality in a computed radiography (CR) system includes providing a substrate having fluorescent test pattern disposed thereon. The substrate is disposed in place of...
6153879 Invisible information detecting apparatus  
An invisible information detection apparatus includes parts that irradiate a light onto a medium, detect infrared light generated from the medium, and judge a specific pattern consisting of a...
6061121 Device and process for checking sheet articles such as bank notes or securities  
6042150 Playing cards security system  
A playing cards security system for detecting when additional playing cards are added to a deck of playing cards. The system includes a deck of playing cards where each playing card of the deck of...
5959296 Scanners for reading near infrared fluorescent marks  
An apparatus for detecting an invisible, near infrared fluorescing mark disposed on a background comprises: includes an excitation source for exciting the mark, having sufficient power to excite...
5763891 Non-visualized information recording medium and apparatus for detecting the same  
A method and apparatus for processing a medium on which an identification mark is formed using a plurality of recording materials having fluorescent characteristics in wavelength regions almost...
5760961 Optical information carrier having diffractive features and diffraction modulation layers  
An information carrier is in the form of a composite laminate with a first, a second and a third layer having refractive indices n3, n4, n5 respectively. The second layer forms structures by only...
5724244 Microwave oven and a cash register system including the same  
A microwave oven and a cash register system of a store in which an employee of a store, who is requested to operate the microwave oven, can run the store efficiently while reducing the waiting time...
5686725 Method for reading of invisible marking  
A method for reading of information, which comprises printing information on a metal substrate or a substrate capable of transmitting infrared rays of 2-10 μm wavelength, with a marking ink...
5617187 Image reading apparatus, copying apparatus, image processing apparatus, and image processing method  
This invention has as its object to reduce the apparatus scale by simplifying the arrangement of an image reading apparatus for radiating light including both visible and non-visible components,...
5611958 Infrared phosphor and material having latent images and optical reading system using said phosphor  
The invention provides a phosphor excited by infrared rays to emit infrared rays which has a nonacicular particle shape and a particle size of 4 μm or smaller after being synthesized. The phosphor...
5608225 Fluorescent detecting apparatus and method  
A fluorescent light emitted from a marking containing at least one fluorescent substance is detected by illuminating the marking with an exciting light having an intensity that varies at a...
5600115 Flexible cable with security system for code markings  
A system which includes an information transmitting element including flexible length of cable supporting an array of energy emitting elements of such sizes, shapes and spacings as to represent bar...
5525798 Bar code scanner for reading a lower layer luminescent invisible ink that is printed below a upper layer luminescent invisible ink  
Inks have been discovered that are selectively excitable by different wavelengths of incident radiation. This allows a lower layer bar code to be written on an object with an invisible ink and an...
5508520 Method and apparatus for discriminating printings  
In a method and an apparatus for discriminating real securities from copies thereof produced by an electrophotographic copier using a toner, a heating member heated to a temperature above 50° C....
5502304 Bar code scanner for reading a visible ink and a luminescent invisible ink  
A lower layer bar code is written on an object with a normal ink and an upper layer bar code is written over the lower layer bar code with an ink that is invisible to the naked eye. The apparatus...
5497001 Flash tube devices  
A flash device has a flash tube which generates light in response to electrical energy. The amount of light emitted by the flash tube is monitored by a circuit which is connected to means for...
5463212 Latent image forming member and method of manufacturing, latent image reading apparatus and latent image reading system  
In order to provide a latent image forming member which is capable of surely reading information to have high reliability and which can be used for a long time, the latent image forming member...
5414262 Imaging device and method for developing, duplicating and printing graphic media  
The present invention provides an imaging device and method for developing, duplicating and printing graphic media. The imaging device of the present invention is utilized in devices such as...
5401960 Process for marking an article  
Process for marking an article by means of a pattern, which contains geometrically encoded information and can be evaluated with optical means by irradiation with light, there being provided on the...
5380992 Bar code detection using background-correlated bar criterion for ascertaining the presence of a bar  
A bar code signal essentially forms a cross-section of a bar code pattern which through irradiation luminesces from the background of a carrier under fluorescent action. Detection is performed by...
5369273 Method for labeling an object using laser radiation  
Method for applying an object with a label using local radiation of the oct in a predetermined area of the object with high energy electromagnetic radiation whereby the radiation is of a wavelength...
5334836 Imaging device having a passive compliant card scanner and a validation sensor  
An imaging device of the present invention utilized for game cards or the like, comprises a passive compliant card scanner having a wide acceptance angle configured for easy insertion of cards. A...
5326677 Optical retrieval apparatus using a tellurium (IV) leuco dye  
There is disclosed an optical retrieval apparatus which uses a laser for illuminating an optical element. A sensor responds to modulated light from the optical element to produce electrical...
5321263 Recording target  
A recording target includes targeting information printed on a substrate offset from a visible target and masked from the weapon operator by a thermal clearing masking layer. The operator aims at...
5313193 Object-marking means, method for making such means and reading device  
An identification system is disclosed which includes marks on an object for locating a region of the object which contains an identification in the form of either an etching or a responsive...
5302825 Franking machine and method of forming franking impression  
A method of forming a franking impression on a mail item and apparatus for forming the franking impression is disclosed. Material which is switchable from one stable state to another stable state...
5283699 Micro-bar code reader system  
A bar code reader system is adapted to read a micro-bar code and includes a light emitting body for irradiating a light beam onto a bar code surface on which the micro-bar code to be read is...
5220166 Information reading method  
An information reading method includes the steps of irradiating a phosphor activated by neodymium and ytterbium ions with exciting light of a wavelength between 500 nm and 780 nm that can excite...
5210411 Detection mark and method and apparatus for detecting mark  
A detection mark comprising a pattern formed from a thin phosphor layer which emits a light having a different wavelength from that of an excitation light irradiated on a surface side of the...
5206496 Sub-surface marking  
A method and apparatus for providing a body of material (14) with sub-surface marking in the form of an area of increased opacity to electromagnetic radiation. The method includes directing at a...
5196682 Infrared optical card having an opaque case for hiding internal components  
A portable data storage card is provided for storing and carrying digital data to be accessed or modified at fixed locations. The pocket-sized card has a durable sealed case, devoid of electrical...
5134669 Image processing system for documentary data  
A method for extracting information from a document bearing (a) first indicia detectable in a first scan mode, using light in a first spectral range, but not detectable in a second scan mode, using...
5057268 Method and composition of matter for detecting large quantities of paper currency  
Paper notes used as a monetary currency are deuterated. The level of deuteration while not complete, is high. For U.S. currency the level of deuteration is at least 0.1 mg of deuterium for each one...
5029008 Apparatus for identifying television monitors  
In a television control room wherein a program director must observe a multiplicity of television monitors, the monitors are illuminated by ultraviolet light. The labels used to identify the input...
4983817 Background compensating bar code readers  
Methods and apparatus for reading a luminescent and substantially transparent bar code 1 on a background surface 2 whose reflectance may vary over the coded area. Light 7 scans (70), and excites...
Matches 1 - 50 out of 135 1 2 3 >