Matches 151 - 200 out of 242 < 1 2 3 4 5 >


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4902882 Code reader  
A reliable electronic lock comprises means for reading a key card upon insertion and withdrawal. Sets of data read from the key card are compared to CRC data read from the key card to determine...
4880963 Encoding magnetic cards  
A system and apparatus for encoding magnetic information on a magnetizable substrate where the substrate is liable to be moved erratically, e.g. manually, past a magnetic head. Two parallel tracks...
4877945 IC card having a function to exclude erroneous recording  
An IC card system comprises an IC card, each card including a microprocessor, a communication interface, a power supply interface, and memories such as RAM, ROM and EEPROM, and an external device...
4870262 Signal processing apparatus and binary encoder circuit for the same  
Disclosed is a signal processing apparatus comprising a sensor whose impedance varies according to changes in quantity sensed thereby, a power source applying a voltage to the sensor, a...
4864113 Information memory system for reading information from a moving recording medium  
An information memory system suitable for a recording medium such as an optical card which reciprocates. This memory system includes: a reading apparatus for reciprocating the recording medium and...
4864112 Bar code label  
A bar code label comprises a recording medium and a bar code recorded on a recording medium. The bar code includes a plurality of bar elements lined up parallel. Each width of bar elements is...
4861972 Bar code scanner and method of programming  
The scanner includes scanning circuitry for optically scanning bar code labels and providing an electrical signal in response thereto, decoding circuitry, responsive to the scanning circuitry for...
4855580 Data merge document processing method  
A method for merging data from at least two data capture devices (12, 14) includes capturing data from a plurality of documents at a first data capture device (12). The captured data is stored in...
4855579 System for guiding a user in orienting an application insert having a plurality of datastrips relative to a datastrip reader  
Digital data utilization apparatus includes a datastrip reader for reading digital data encoded on one or more datastrips on an application insert. Disclosed is a system for guiding a user in...
4831243 Information memory apparatus for reading out information from a moving recording medium  
An information memory apparatus includes: an endless belt which is driven forward and in reverse by a motor and reciprocates a recording medium such as an optical card; an optical head for reading...
4794241 Scannable document velocity detector  
The present invention relates generally to the field of optical mark readers and mark scanning systems. More particularly, the present invention relates to a method and system for checking the...
4794236 IC card system  
An IC card system according to this invention adopts a so-called intelligent-type IC card which has an internal power source of its own, can store designation data using the power source, and can...
4791283 Transaction card magnetic stripe emulator  
A device and method for transferring data from a microprocessor located in a transaction card through a card reader by emulating a prerecorded magnetic stripe on a conventional transaction car...
4791285 Read/write method by a non-contact system and between a storage substrate and read/write unit  
A read/write method using a non-contact system and used between a storage substrate and a read/write unit, the method including a storage substrate providing a memory at a card or other...
4767918 Reading and writing apparatus for portable recording medium  
In an IC card information reading and writing apparatus, a clock oscillator (4.9 MHz) is incorporated in the apparatus. Since the high-frequency clock is not passed through a cable connected...
4757206 Bar code reading method and apparatus  
A bar code reading method and apparatus. Comparison reference values are calculated based upon actual measurements of the width of bars and spaces which comprise the bar code pattern and upon a...
4749879 Signal transition detection method and system  
A system and method are provided for determining the occurrence of transitions in a binary encoded analog input signal. The system includes a threshold circuit, responsive to the input signal, for...
4748317 Optical reader  
An improved optical reader for reading both bar codes and alphanumeric characters with one image sensor wherein a switching gate selects either one of two digital signal processing means, so that...
4742213 Credit card reading apparatus with reliable optical path interrupt means  
A card reader includes an opaque arm movable in response to the insertion of a credit card. The arm, when moved, interrupts a light path signalling the presence of the card thus permitting write...
4740675 Digital bar code slot reader with threshold comparison of the differentiated bar code signal  
A digital bar code slot reader provides low first bar error rates and a wide scan speed range for bar codes on laminated badges and tags, and is also capable of reading bar codes on paper. The...
4728784 Apparatus and method of encoding and decoding barcodes  
A method and system for reading encoded information from conventional bar codes and from hand-encoded barcodes is provided. The method and system include processing which eliminates false spaces...
4723071 Anticounterfeit card-sensing mechanism  
A transducer apparatus for use with cards bearing a magnetic recording stripe and having an optically sensible anticounterfeit uniqueness characteristic, the apparatus including a sensor for the...
4705939 Apparatus and method for optically measuring bar code dimensions  
The absolute spatial distance of the widths of individual bars and spaces of a bar code are precisely measured by a bar code scanning apparatus having two photodetector circuit elements positioned...
4678897 Processes and devices for reading magnetic access control cards or similar  
For reading a coded sequence of magnetic signals recorded on a card, which sequence is formed of bits of identical duration the reading of which results, for the 0s, in a single change of level of...
4673803 Method of detecting and evaluating identification codes on continuously moving webs  
Identification marks in the form of code fields are arranged on a material band which is adapted to be moved in a continuous manner. These identification marks are recognized by a reader head with...
4672186 Digital document scanning system  
A system for scanning and digitizing printed documents for subsequent storage, retrieval and manipulation. Documents are continuously transported across the focal plane of a stationary scanner,...
4672182 Memory card  
A memory card has a card medium and a laser memory for storing data. A data processing section for storing encryption and/or decryption key data, an encryption and/or decryption program and a...
4652730 Method and apparatus for skew compensation in an optical reader  
A method and apparatus for skew compensation in an optical reader is described. The method provides for calculating the amount of skew between the read scan line used to read the data and the...
4645916 Encoding method and related system and product  
Methods for variably encoding recorded information in accordance with the type of information which is recorded. The information is organized into types of numeric data, alpha data, alphanumeric...
4641357 Method for reading a document image  
A method and associated apparatus are disclosed for scanning documents and producing electronically stored signals corresponding to images on the documents. A stripe pattern of lines obliquely...
4639584 Non-alterable magnetic coding  
A card having an uninterrupted strip of magnetizable material affixed to the surface of a substrate can carry a machine readable code in the form of a magnetized pattern. By removing alternate...
4636623 Apparatus for reading a line marking  
The apparatus comprises a reading surface which is formed by a plurality of photo-diodes. Each photo-diode is connected to an input of an AND-gate. The AND-gates each have another input which...
4626670 Method and system for decoding time-varying, two-frequency, coherent-phase data  
A method and system for decoding time-varying, two-frequency, coherent-phase data, such as data from the stripe on a magnetic stripe-bearing medium, includes detecting flux intervals at the...
4616126 Information retrieval system  
An information retrieval system for retrieving desired information from information recorded in a record medium is disclosed. The information on the record medium is classified into at least two...
4602152 Bar code information source and method for decoding same  
There is disclosed a method and apparatus for decoding coded information such as may be provided by a printed bar code. The coded information is segmented into a plurality of words, each having...
4589144 Character and image processing apparatus  
A character and image processing apparatus comprises a scanning section for photoelectrically converting data on a sheet in which character data and image data are mixedly arranged in a free...
4578570 Bar code processing apparatus  
A plurality of vertically aligned sensing members scan a matrix type bar code on a document. During the scanning of the bar code, the time period between the detection of succeeding bars is...
4578568 Data reader  
A data reader has a data reading means for reading data from a recording medium and producing an analog signal. The data reader also has a switching circuit having one terminal connected to the...
4574190 Verifying system  
A system for the verification of a magnetically printed material as to whether it is genuine or counterfeit is disclosed having magnetic and photo sensors arranged on the same scan line relative...
4572946 Credit card circuit arrangement with a memory and an access control unit  
A monolithically integrable circuit arrangement includes a memory with non-volatile electrically writable and erasable memory cells, an addressing circuit for reading, writing and erasing the...
4573192 End of transaction control system  
In an information computer and data processing system where transactions controlled by the system are initiated and set up by a card inserted to a magnetic strip card reader, provisions are made...
4513199 Magnetic card read-out and timing circuitry  
A card having two adjacent magnetic tracks is used as a substitute for coins in activating laundry machines and the like. The first track is a data track encoded with a security code and pulses...
4485485 Character reading camera  
The camera receives a line of light from an object plane containing the characters to be read together with light information indicative of scan motion at right angles to the line of received...
4408344 OCR and Bar code reader using multi port matrix array  
A common scanning unit is utilized in an optical character reader which reads both alphanumeric and bar code characters. An N column by M row area photosensor detects both the alphanumeric and bar...
4390905 Magnetic card recording apparatus  
A magnetic card recording apparatus records information with a desired predetermined high recording density on a magnetic card moving at a varying speed. The apparatus comprises guide means for...
4357596 Multi-line scan mark verification circuit  
In a document scanning scheme where data is preceded on the document by a preprinted document scan mark, circuitry is employed to utilize multiple line scans of the scan mark by a line scan camera...
4356473 Monetary document profile location and predetermined selected path apparatus  
The denomination indicia contiguous with the Treasury seal on United States paper money can be located. Apparatus includes means for transporting the documents lengthwise along a course. Two...
4346290 Device for the recognition and progressive cancellation of information recorded on a magnetic support  
An enablement system for vending machines and the like generates an enablement signal, which can be applied to such vending machine, upon reading of a credit card provided with only a single...
4344152 Buffer memory control circuit for label scanning system  
A scanning system includes a pair of buffer memories for alternately accumulating strings of signals which may contain bar coded label data. Candidate selection logic circuits examine incoming...
4300123 Optical reading system  
A line scanning camera generates signal information indicative of marks on a scanned document and a selectable memory containing several document formats cause the signal information from the...

Matches 151 - 200 out of 242 < 1 2 3 4 5 >