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5151580 |
Light emitting diode scanner
A portable scanning head emits and receives light from a light-emitting diode to read symbols, such as bar-code symbols. The optics within the scanner are operative for focusing a light beam and...
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5151582 |
Automatic transaction machine system for checking card data and embossed characters
In order to check if information stored on a card is authentic, the embossed character and figure information is compared with the information on the card. The rays radiated from the light emitting...
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5136145 |
Symbol reader
A symbol reader is disclosed that uses a dynamic random access memory 24 as a detector element and a gradient refractive index material as the lens 14 to capture a symbol image. The rod shaped lens...
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5079565 |
Thermal transfer printing apparatus and ink paper cassette
A thermal transfer printing apparatus includes a reading device for reading a code registered section provided on an ink sheet cassette, and a color discrimination device, a part of which is...
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5023434 |
Position indicating apparatus for transporters on tracks
A position indicating apparatus, particularly for overhead transport systems (1), includes a elongated code carrier (11) carrying multi-value code marks (17) along its length. A code reading device...
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4891504 |
Security level identification method for computer based information
A multi-classification information security method to prevent information in a computer information system with one of a plurality of security classifications to be written onto an input/output...
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4882476 |
Bar code reader with enhanced sensitivity
In laser bar code scanners bright sunlight tends to overpower the reflected laser light, drastically reducing the difference between bar code and background signals. In the present bar code reader,...
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4853525 |
Forgery proof optoelectric code card reader
A forgery-proof optoelectric card system is disclosed which includes a reader and code card comprising invisible light and dark codings forming at least one reading track. At least one reading head...
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4705938 |
Method of securing data on a data support
A method of securing data recorded on a data support and a device for performing the method are disclosed. In addition to the basic information contained in the data recorded on the data support,...
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4613942 |
Orientation and control system for robots
An orientation and control system for use with robots provides identification, orientation and operating instructions coded indicia on diverse parts, which indicia are viewed by a camera and are...
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4603976 |
Optical mark recognition apparatus
In optical mark recognition apparatus the light transmitter has two light sources 11, 12 which can be selectively switched on and which transmit light beams of different spectral compositions. A...
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4578571 |
Portable bar code scanning device and method
A compact, portable bar code scanner employing as a light source a light-emitting diode consumes extremely low input power. The scanner, which detects the reflectances from bars and spaces of the...
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4528445 |
Head for optical card reader
This invention is directed to an optical card reader in which the cards to be read have a format arranged in columns and rows. A row of timing marks or slots is formed in the card for each column...
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4488679 |
Code and reading system
A code reading system is disclosed utilizing a novel, multicolored, densely packed code read by a scanner which is placed over the code and held in place while the scanner performs its reading...
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4471384 |
Optical reader
An optical reader which comprises: at least one yellow LED array as a light source for lighting original material; an optical lens or fibers for guiding the light reflected from the original...
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4450349 |
Bar code with optical reading device
The novel bar code, in the spaces (4) between neighboring code bars (1) which have a width greater than one modular width, with the modular width always being larger than the diameter of the...
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4432637 |
Apparatus for the preparation of sections of photographic film for passage through a continuous printer, particularly for processing of photographic print reorders
A transport device conveys film sections, possibly equipped with a reorder strip and mounted on a carrier strip, stepwise through an inspection section. An entering keyboard is provided to read the...
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4392053 |
Optical probe
An optical probe comprising an optical emitter and a detector which are directed through a cylindrical lens to be focused into an elongated pattern which is arranged for reading a printed optical...
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4348803 |
Process for producing a semiconductor device having an identification mark in an insulating substrate
In a process for producing a semiconductor device using an insulating substrate, a so called SOS device, a semiconductor layer is formed on the insulating film and semiconductor elements are formed...
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4129073 |
Duplicator machine with means for applying to the copies different markings
A duplicator machine is operative for making copies of originals, printing forms, and the like, in whole-page, paragraphwise and sectionwise modes of operation. The copies made are intended for...
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4047023 |
Color mark detector with pulsed source and synchronous demodulation
A detector for marks having a color which contrasts with the mark background employs a solid state light source projecting a light beam having a plurality of wave length components corresponding to...
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4023040 |
Sensing device using photocells, for color identification
A sensing system, for use in the identification of colored indicia defined on a body in a series arrangement, includes at least one flash lamp means electrically energizable to produce a burst of...
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4009466 |
Character coding and recognition system
Coding of a group of characters for recognition by a machine and by a human viewer is provided by coloring each character with a predetermined plurality of colors arranged in predetermined...
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3918029 |
Scanning system and method
A photoelectric scanning system is provided for scanning coded information printed on record members. The system includes a hand held implement having a tubular housing, which implement is shaped...
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3894217 |
Device for discriminating color coded articles
A conventional color sensitive device produces a train of color signals responsive to rays incident thereon from an article having one of predetermined color codes. A pulse generator produces a...
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3836754 |
CODED CARD EMPLOYING DIFFERENTIAL TRANSLUCENCIES
A translucent but not completely transparent card providing one or more areas or data zones where the light transmissivity through the card significantly differs from the overall light...
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3835297 |
MICROFILM PROVIDED WITH COLOR CODES AND DEVICE FOR RECORDING AND REPRODUCING SUCH CODES
The invention consists in a microfilm provided with color index codes of at least two colors other than the colors for recording information on the microfilm, to thereby increase the facility to...
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3795805 |
APPARATUS FOR TESTING A CREDIT CARD
Apparatus for testing a credit card having a coating of a substance which when treated sufficiently permanently and irreversably changes from a first state having one characteristic of reflectivity...
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3784832 |
OPTICAL SCANNING APPARATUS FOR AVOIDING AMBIGUITY IN A QUANTISED SIGNAL
Apparatus for avoiding ambiguity in a quantised signal representing a pattern which is scanned by an optical detector. The apparatus operates to scan the pattern to be represented and to produce a...
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3745527 |
ELECTROOPTICAL DEVICE FOR DISCRIMINATING A PREDETERMINED PATTERN FROM OTHERS BY DETECTING PRESELECTED COLOR CHANGES IDENTIFYING THE PATTERN
A pattern to be discriminated from other patterns comprises a frame of a predetermined size and color on a predetermined background color. The device comprises a first unit for producing electric...
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3735350 |
CODE SCANNING SYSTEM
An apparatus and method are provided for generating code signals of information for recording or immediately using said information to control a computer, process or machine. In a preferred form of...
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3666946 |
AUTOMATIC INFORMATION READING SYSTEM USING PHOTOLUMINESCENT DETECTION MEANS
A process for encoding data and apparatus for recording and retrieving the same. The encoding is accomplished by depositing, on an area for each datum of said data, a first plurality of...
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3663813 |
OPTICAL READER FOR LUMINESCENT CODES LUMINESCING IN DIFFERENT WAVELENGTHS
Symbols formed by marking a substrate with coded inks, the coding represented by the absence or presence in one or more levels of one or more photoluminescent components, are irradiated with...
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3643066 |
ARRANGEMENT FOR THE AUTOMATIC IDENTIFICATION OF INFORMATION ON A NONPERFORATED DATA PROCESSING CARD
A plurality of light beams are projected onto a light-permeable information storage element such as a data processing card which is coded by applying a substantially opaque coating to selected...
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3632993 |
COLOR CODE SYSTEM
Systems for reading information from a carrier is disclosed, the information having random position and random orientation on the carrier and being contained in differently colored data fields...
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3621250 |
CODING OF SYMBOLS WITH PHOTOLUMINESCENT MATERIALS FOR READOUT TO OBTAIN PROPER SEQUENCE SIGNAL READOUT FROM RANDOM READING OF SYMBOLS
Coded inks are described having one or more photoluminescent components to represent different symbols which can then be read out by ultraviolet illumination. For example, six components can...
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3596062 |
METHOD AND APPARATUS FOR DOCUMENT READING
A method and apparatus for automatic reading of single-color printed documents bearing manually entered information in another color wherein transducer means is alternately conditioned in reading...
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3573472 |
LABEL VERIFICATION SYSTEM USING PHOTOCELL MATRICES
Verification of symbols such as on labels is effected by imaging each label to be verified onto a matrix of photocells and imaging an authentic label onto another matrix of photocells. The outlines...
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3572945 |
METHOD AND SCANNING APPARATUS FOR COLOR SEPARATION AND IDENTIFICATION
A method and system for scanning color information such as a cartographic map and detecting a possible number of 3 n -1 colors. The color information is reduced to digital information which may be...
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3567909 |
INFORMATION HANDLING SYSTEM
An optical information handling system including an encoded information carrier in which information is represented by marks which transmit one of a plurality of optical wave length signals, the...
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3560718 |
MARKED GRID READING AND TESTING DEVICE
A device for reading marked areas on a grid on an information bearer comping means for moving the bearer past a first reading means having a low sensitivity reader, storing and testing the results...
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3544771 |
RECORD MEDIUM HAVING CHARACTER REPRESENTATIONS THEREON
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3513320 |
ARTICLE IDENTIFICATION SYSTEM DETECTING PLURALITY OF COLORS DISPOSED ON ARTICLE
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3500047 |
SYSTEM FOR ENCODING INFORMATION FOR AUTOMATIC READOUT PRODUCING SYMBOLS HAVING BOTH PHOTOLUMINESCENT MATERIAL AS CODING COMPONENTS AND VISIBLE MATERIAL AND ILLUMINATING WITH BOTH VISIBLE AND ULTRAVIOLET LIGHT
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3473027 |
PROCESS FOR RECORDING AND RETRIEVING INFORMATION EMPLOYING PHOTOLUMINESCENT INKS WHICH LUMINESCE UNDER ULTRAVIOLET ILLUMINATION
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3471684 |
TAPE HAVING DATA PROCESSING INFORMATION PERMANENTLY RECORDED THEREON
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3437793 |
INFORMATION BEARER AND PHOTO-ELECTRIC READING DEVICE THEREFOR
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3412245 |
Method and apparatus of retrieval of coded information from symbols having coded inks having photoluminescent components with short and long time constants of decay after short wave illumination
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3387285 |
Spectrally coded data storage
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3317715 |
Coded card
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