Optical

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This subclass is indented under subclass 439.  Subject matter wherein the coded indicia on the record is sensed by transmitting light through or reflecting light from the record surface, the light detected being converted into an electrical signal representative of the indicia.
(1) Note. The subject matter in this subclass and those indented hereunder differs from that found in Class 250 in that the light detected is converted to an electrical signal which is further processed by particular circuitry, the particular circuitry including the generating and utilization of timing and sync signals, the storage of signals, and means to perform counting operations.


 
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Patent Number
Title
  Date
3937928 Embossed card reader Feb-10-1976
An information reader for optically reading information recorded in the form of an array of aligned embossments on a card, comprising a slit plate positioned over a card transport table having two slits, one for directing incident light toward the embossed card and the other for leading to a light-sensitive...     
Apparatus for recognizing alpha-numeric indicia that are either printed or embossed such as are common to credit cards and other identification means for use in a data processing system. The optical reading apparatus scans a surface to be read using a read head that conducts light to and from the surface...     
3947666 Card reader Mar-30-1976
A card reader for reading a Hollerith coded card where the holes in the card are scanned by a single array of photo detectors as the card is withdrawn from a slot, and where an edge detector determines when the card is fully inserted into the slot so as to activate a scanner and signal a memory unit...     
3949194 Check-out terminal Apr-6-1976
A check-out terminal wherein coded data identifying articles being checked out is carried past an optical code reading system at a substantially constant distance away includes a tilted main conveyor belt and at least two subsidiary conveyor belts arranged along a longitudinal side edge of the main conveyor...     
There is disclosed an article sorting apparatus and method wherein articles bearing a manually marked code in a grid or code area locatable by one or more guide elements which may be separate and distinct from the manually marked code. For postal articles, such as letters and the like, the code may be...     
One pair of sensing elements is furnished for each column of a card being transported past the sensing element in the direction of the columns. The first and second sensing element constituting each pair are spaced apart from each other both in a direction perpendicular to the columns and in a direction...     
A reader for optically encoded information such as a credit card having an embossed data track includes an array of radiant energy transmitting elements and a single detector element formed on a planar chip. The chip is seated in a recessed area formed in a unitary lens assembly which includes a first...     
4028528 Code scanning system Jun-7-1977
The specification discloses a binary code reading system in which a code strip is formed of spaced retroreflective segments in a reglet and which are selectively blocked by runners to define a binary code. Detectors spaced at intervals corresponding to adjacent segments read the code strip as it passes...     
4029944 Data transducer Jun-14-1977
An optical and magnetic data transducer is provided comprising a magnetic reluctance aperture which is split into two sections with an optical reading aperture disposed generally therebetween. This reduces timing errors between the optical and magnetic output signals indicative of the spacial relation...     
A high speed microfilm searching system is disclosed. The system optically displays frames of the microfilm. A frame or column of microfilm is made up of a sensor mark, pages of information and an index code. The index code is a meaningful alphanumeric or numeric key that accompanies each page or column....     
4036430 Manually operable card reader Jul-19-1977
A manually operated card reader for reading punched data recorded on a standard sized tabulation card and for reading punched data recorded on an appropriately sized identification badge or card is disclosed. Data is read from the standard sized tabulation card when the card is inserted in a first opening...     
4041279 Data reading device Aug-9-1977
A device is provided for reading optical and magnetic data and providing signals representative thereof, said device including means for establishing a predetermined time or spacial reference between the optical and magnetic data sets. In one embodiment the optical and magnetic read heads are mounted...     
4057839 Tape cassette drive Nov-8-1977
A drive for a magnetic tape cassette. Edge and corner blocks mounted on a planar frame receive the leading edge of a magnetic tape cassette adjacent the corners thereof and position the cassette with respect to drive spindles which engage tape reels in the cassette and to a transducer located with respect...     
A photoelectric data card system is disclosed in which the cards are transmissivity-coded, so that light of a particular wave length and intensity is transmitted in varying degrees of different code digit representing areas of the cards, and thus the intensity of the light emerging from each of these...     
4101784 Color mark detector Jul-18-1978
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 a plurality of colored light wave lengths. The light beam may approach the appearance of white light. A...     
4108365 Coin-operated recording machine Aug-22-1978
Recording apparatus for "dubbing" (recording from one to the other) onto a customer's magnetic tape cartridge, selected audio and/or video recordings stored in the apparatus. The apparatus includes means for activating the apparatus, means for selecting the desired recordings, means for identifying and...     
4109143 Optical reader Aug-22-1978
An optical reader capable of optically reading a plurality of data comprises an object to be read having different coded information placed thereon, with each information having a unique control code, scan means for producing scanning light to be projected to said object, photo-electric conversion means...     
4122352 Scanning array configuration Oct-24-1978
A line scanning apparatus employing a multiplicity of linear arrays, the linear extent of which is less than the length of the scan line. To permit an entire line to be covered, the arrays are offset from one another in the direction of scan with adjoining array ends overlapped. To correct for the misalignment...     
An information reader for reading both light transmissive and light reflective information from an information carrying medium such as a card is provided. The information reader is adapted to selectively dispose a card at a reading position. A transmissive light source is disposed on a first side of...     
4147928 Scanning array configuration Apr-3-1979
A line scanning apparatus employing a multiplicity of linear arrays, the linear extent of which is less than the length of the scan line. To permit an entire line to be covered, the arrays are offset from one another in the direction of scan with adjoining array ends overlapped. To correct for the misalignment...     
4149091 Scanning apparatus Apr-10-1979
A line scanning apparatus employing a multiplicity of linear arrays, the linear extent of which is less than the length of the scan line. To permit an entire line to be covered, the arrays are offset from one another in the direction of scan with adjoining array ends overlapped. To correct for the misalignment...     
4158194 Optical recognition system Jun-12-1979
Described is an optical character recognition system wherein total data entry is accomplished through a hand held unit. The unit includes an optical scanner, a keyboard and a display which communicate with a portable character recognition unit.
A system for identifying a moving railway vehicle or any other object upon which is fastened an identification label having a number of vertical columns of light retransmitting medium, each column representing a digit number obtained by coding the column by insertion of a metal plate in front of the...     
4179621 Scanning apparatus Dec-18-1979
A line scanning apparatus employing a multiplicity of linear arrays, the linear extent of which is less than the length of the scan line. To permit an entire line to be covered, the arrays are offset from one another in the direction of scan with adjoining array ends overlapped. To correct for the misalignment...     
4180204 Automatic inventorying system Dec-25-1979
A method and means for automatically inventorying items having coded tags or labels using a character-recognition device, such as a wand scanner, in combination with a system for specially marking the labels when they have been successfully read and recorded by the scanner, which system comprises the...     
4194126 Escort memory using mirrors Mar-18-1980
This invention describes a sorting conveyor code system using a plurality of mirrors to set up each individual code. Each mirror has two positions so that it can reflect light into one of two directions if the light comes from a common source, one position being called a "0" and the other position being...     
4201338 Mold identification May-6-1980
The identification of a mold in which a vessel made from an optically transparent material has been molded. The vessel is provided with a plurality of marks disposed about a path on the wall of the vessel. There is a first set of marks disposed above the path and a second set disposed below the path....     
A document processing system including a video camera and raster scan television monitors. The apparatus comprises a document transport that sequentially passes documents by both a machine readable data reader and a video camera. The data reader reads and stores in a digital memory the machine readable...     
4245213 Security system Jan-13-1981
A security system includes apparatus for producing a pair of identical keys in the form of photographs of a kaleidoscopic image. One photograph is retained in the system and upon introduction of another photograph back into the system, the images thereon are compared and employed to sound an alarm if...     
4260880 Optical character scanner Apr-7-1981
An optical character reader for conversion of information to a machine readable code from a strip of alpha-numeric characters on the face of a document. It includes an elongated document slot along which the document may be hand guided through a predetermined path. Optical viewing means is provided across...     
4263504 High density matrix code Apr-21-1981
A machine-readable matrix-type code has either repeated or non-repeated dot patterns in one direction representing digital characters which are read by a sensor moved in a direction which is generally normal to the patterns. The patterns of the code may be formed in a manner wherein the sensor views...     
4277689 Document reader Jul-7-1981
An optical character reader for conversion of information to a machine readable code from a strip of alpha-numeric characters on the face of a document. It includes an elongated document slot along which the document may be hand guided through a predetermined path. Optical viewing means is provided across...     
4277774 Bill discriminating apparatus Jul-7-1981
There is provided a bill discriminating apparatus which utilizes the presence of a light-emitting substance in a printed zone of the bill when irradiated with ultraviolet rays. The bill discriminating apparatus comprises an ultraviolet ray-emitting member for irradiating a bill to be discriminated, a...     
4283622 Bar code reader Aug-11-1981
An optical sensing member for reading a coded member having parallel aligned tracks of data and clocking coded symbols which includes a pair of sensing apertures offset to enable the sensing of the data track to occur out of phase with the sensing of the clocking track. The sensing member includes a...     
4288781 Currency discriminator Sep-8-1981
A currency discriminator for determining the denomination of a bank note or the like is disclosed. It includes a source of light directed at the note to be identified. A 2 mm.times.80 mm stripe is illuminated and the reflected light from the illuminated area is measured by a detector and converted into...     
4289957 Reading stroke codes Sep-15-1981
The reading of an identification card with stroke code comprises sweeping of a control area by a laser beam, detection by photo-detectors of light reflected by the card and from the edges thereof, amplification, selection by a chronometer of the useful signal, placing of the signal into a buffer memory,...     
A simulated rail car identification system including a plurality of coded labels mounted at spaced apart locations on an endless conveyor. The conveyor produces horizontal movement of the labels sequentially through a zone viewed by an optical scanner. A control system monitors and controls operation...     
A detector arrangement for a data-card reader is capable of reading both punched cards as well as cards marked in writing. A light source emits light in the direction of the data-card surface, and a detector receives the light reflected from said direction and delivers an output signal in response to...     
4317029 Optics frame assembly Feb-23-1982
An optics frame for use in optical character reading devices has a reflector and lens tube assembly packaged to permit the integration of the optics system and the electronic components so that they become one unit. The reflector and lens tube assembly is mounted on a frame which is in turn secured to...     
A coded optical identification system includes a linear array of three-dimensional segments. A first plurality of the segments have planar surfaces thereon from reflecting light from a light source to a light sensor, and a second plurality of the segments have a sloping surface thereon for directing...     
4336449 Interface unit Jun-22-1982
A garment tag reading system which includes a Kimball tag reader and a data processing unit is described for reading and decoding information encoded on a garment tag. An interface unit is used to permit direct communication between the tag reader, which has a memory for storing the coded information...     
4339745 Optical character recognition Jul-13-1982
High contrast image data is acquired from metal and other hard surfaces with varying roughness and reflectivity on which characters are impressed by vibrapeening or laser marking. The optical scanner applies normal illumination and a linear photodiode array detects light reflected normal to the surface...     
A video signal composing circuit and method for aligning scanned CCD's in an optical reading device in which plural scanned CCD's are arranged in a line parallel to a reading surface. Clock pulses are counted which correspond to the scanning of the CCD's and compared with values set by plural switch...     
Sequence controller for writing data into an EPROM and a film on which the data to be written is recorded. Film (1) is provided by printing clock marks (2) and R/W lines (3) on a transparent body and pasting opaque tapes onto data lines (4) according to a time chart to be written into the EPROM. Accordingly,...     
A method of controlling the operation of a recording apparatus for recording video and/or audio signals received in a television and/or radio receiver wherein a data carrier having one or more command tracks associated with a time track and preferably one or more information tracks, is marked by the...     
4388610 Apparatus for reading drawings Jun-14-1983
This disclosure concerns to apparatus for reading drawings. The apparatus of this invention is an apparatus for reading symbols on a drawing wherein the drawing comprises a preprinted lattice pattern with orthogonal lines forming unit rectangular areas and each symbol or portions thereof is drawn within...     
4396902 OCR/Variable head slot reader Aug-2-1983
A reading device which uses both optical character recognition techniques and magnetic reading are combined in a reader wherein the magnetic reading head stays at a fixed position while the optical reading aperture may be varied to accomodate different documents. The slot through which checks, credit...     
4409469 Optical bar code reader Oct-11-1983
An optical bar code reader includes a recognition system for recognizing a bar code data even when none of a plurality of scanning beams extend over the entire width of a bar code label. A plurality of incomplete data each of which represents a portion of the bar code label are combined with each other...     
A system is disclosed for authenticating an object on the basis of certain physical phenomena or character, specifically, measurable, but not practicably duplicable random variations in the object. In one form, the object (authenticator (T)) is a paper tag having a reference space (14), the varying translucency...     
A sorting machine for sorting covers comprises a transport device for moving the covers along a path through the sorting machine. A feed mechanism holds the covers and advances them towards the transport device. A vacuum feed has a first position for gripping a cover in the feed mechanism and a second...     
4457016 File label reading system Jun-26-1984
The present invention provides a manually controlled wand which is particularly suited for use in a file control system in which the files are provided with machine readable codes located along an edge of the file. The wand is adapted by the provision of a jig used to bear against the edge of the file...     
4464566 Access security control Aug-7-1984
This invention describes a system for access control, wherein a control card is presented to a control means. If the control card is authenticated, then access is gained. If it is not authenticated, access is not gained, the control card is retained, and an alarm may be sounded. The control card contains...     
4469149 Monitored delivery systems Sep-4-1984
A liquid fuel pump nozzle (11) carries an optical bar code reader (20). A vehicle fuel reservoir has an entry port (10) provided with an optical bar decode strip (14) having bars (15) extending circumferentially of the port so that the bars are axially spaced. The reader thus reads the optical code during...     
4471217 Optical scanning system Sep-11-1984
An optical reading system employing a commercially available line scanning camera which is sensitive to the ink employed in preprinted document formats. The sensitivity of a line scan camera to the preprinted ink formats is minimized by employing an incandescent document illuminating source, a lens system...     
A self-contained, portable data entry terminal positioned within a cordless, wand-type enclosure. Positioned within the enclosure is a bar code optical sensor/emitter, signal conditioning electronics, a microprocessor, a memory, and a rechargable battery. The bar code optical reader functions as both...     
A method and apparatus for reading coded information formed on the lid of a carbonated beverage container. The coded information takes the form of spaced linear code elements, such as indentations, and reading of the information contained in the arrangement of these elements is accomplished through sweeping...     
4496830 Ticket checking apparatus Jan-29-1985
An optical scanner produces an image signal corresponding to a shape of a ticket scanned by the optical scanner. Signal components corresponding to a given range of the ticket is extracted from an image signal of the optical scanner. A level of the signal components is compared with a reference level....     
4505537 Light scanning apparatus Mar-19-1985
The present invention provides a light scanning apparatus including a semiconductor laser as its light source, a hologram disk having a plurality of equidistant linear gratings of hologram arranged in the form of a circle, which is driven to rotate at constant speed in a predetermined direction, a first...     
4528445 Head for optical card reader Jul-9-1985
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 of data. The card is driven past a read head block that directs the light to the card in which the reflected...     
An optical card is oscillated in an X direction along a curved path by a voice coil driver, and an optical read/write module is translated in the Y direction to read recorded information on the card.
4549077 Slip processing system Oct-22-1985
A slip processing system operates to read necessary data from a separate sheet or sheets, and identifies, from the data read, certain letters or numerals that characterize the slip to be prepared. The apparatus includes a device selecting a predetermined visual mark or mode according to the results of...     
4567360 Optical reading apparatus Jan-28-1986
An optical reading apparatus of the invention has a light source and a light-receiving unit for receiving light reflected from a data recording medium on which data is recorded and for producing an electrical signal corresponding to an intensity of received light. The light source is driven by a driving...     
4574190 Verifying system Mar-4-1986
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 to the magnetically printed material for reading magnetic and optical patterns on the same scan line, and...     
4575623 Optical code scanner and display Mar-11-1986
A check-out counter having an optical scanning system mounted therein includes, a cover member located on the top surface of the check-out counter. The cover member contains a plurality of apertures through which the optical scanning system will scan a coded label on a merchandise item. A raised housing...     
4593185 Safety lock Jun-3-1986
The present invention provides a safety lock actuatable with a flat key carrying a code. The code is digitally generated by a laser beam and is sensed by detector laser beam upon or after the introduction of the key into the lock. The digital coding is produced by means of burning discrete depressions...     
4598196 Debit card Jul-1-1986
An optical information-bearing debit card having servo tracks and calibration works on a recording medium for aligning a reading or writing light beam with a nearby value site area. The medium is an elongated strip of reflective information storage material adhered to a self-supporting card, like a credit...     
4621189 Hand held data entry apparatus Nov-4-1986
A hand held data entry apparatus wherein a main body portion is formed to be held in one hand while data is entered through a keyboard by the fingers of the other hand. An optical scanning head is mechanically and electrically connected to the main body portion through an arrangement which permits the...     
A reflection hologram is laminated or otherwise incorporated into the face of a magnetic-stripe credit card or other similar document. This is done to guard against counterfeiting of the document by transfering of information from the magnetic stripe or similar indicia that is not readily detectable...     
4672182 Memory card Jun-9-1987
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 password is arranged in the card medium. When the same password as prestored in the data processing section is...     
4672184 Bar code reader system Jun-9-1987
A bar code reader system for scanning light reflective bar coded labels, including a pivotably mounted spring based housing member having a connecting arm, a light source mounted on the housing member, and a line scan sensor mounted in the housing for sensing reflected light from the bar code label and...     
4675513 EPROM programmer Jun-23-1987
When supply voltage is first supplied to an EPROM programmer, the system is placed in an erase check mode. An EPROM is attached to the device, and an erase check switch is depressed. If there is no abnormality in the EPROM, a ring counter operates to change the system to a write mode. A program sheet...     
An optical data recording and information storage medium which uses an exposed and developed photosensitive medium with a transparent substrate to store prerecorded data spots. A reflective laser recording metal layer is vapor deposited on the processed photosensitive medium so as to create laser recordable...     
A strip of optical contrast laser recording material is disposed on a wallet-size card, and has laser written micrographic characters recorded thereon. The characters are formed of a matrix of laser recorded character spots and are eye readable using twenty power magnification. The characters are recorded...     
4683371 Dual stripe optical data card Jul-28-1987
An optical data card having a pair of spaced apart information strips. One strip has pre-recorded programs or data and is always a non-erasable strip. This strip may be either a reflective direct-read-after-write non-erasable type or may be a read-only optical memory (ROOM) strip. Another strip serves...     
4707612 Binary coding system Nov-17-1987
A three channel, binary coding technique, especially adapted for identifying intermittently, erratically, or continuously moving objects along a linear path (conveyor track, roadway, or the like). Three parallel channels of coded information are each provided with some type of photoelectric, electronic,...     
A data collection system for providing individual work stations data from a number of work stations, up to fifteen (15) that are included in a work or shop area of up to a four hundred (400) foot radius. The system utilizes a production document generated for each work station that shows job task information...     
A first transparent strip having a series of alternate lines and spaces is mounted in a housing parallel and adjacent to a second transparent strip having a series of lines and spaces. A key inserted through a slot formed in the housing pushes the second transparent strip across the first transparent...     
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 anticounterfeit characteristic which scans the card by a small discrete window of perception, pixel. The apparatus...     
A bank note discriminating apparatus has a detector for detecting light reflected by or transmitted through a bank note upon irradiation of light while the bank note is being conveyed, and a judging circuit for integrating a reflected light signal from the detector to obtain an amount of light reflected...     
4730293 Dual beam optical data system Mar-8-1988
An optical data reading and writing system in which a laser beam records data spots on a medium and a wide light beam is used for simultaneously reading the data spots and prerecorded information. The laser beam records spots of a uniform size which is less than about ten micrometers. The wide beam which...     
4734565 Read-only optical card and system Mar-29-1988
An optical data read-only card and system using a length of optical recording material in which data in the form of microscopic spots is disposed in cells forming a regularly spaced grid. The spots contrast with the background media with a reflective contrast ratio of at least 1.5 to 1. While the material...     
4742214 Optical card reader May-3-1988
The present invention relates to an optical card reader, in which an optical card (1) having a plurality of parallel tracks T in which respective informations are recorded by the arrangement of optically recorded loci so as to be read optically is irradiated with a light source, the reflected light thereon...     
4743745 Optical memory card reader May-10-1988
In an optical memory card reading device of the type comprising a card feeding means for feeding a card inserted into an insertion inlet into the device, an optical reader means for illuminating the memory surface of the optical memory card thus fed in and receiving the reflected light rays from the...     
4745268 Personal information card system May-17-1988
A system in which wallet-sized visually readable information relating to a person is created on material disposed on one side of a wallet-size card and machine readable information relating to the person is recorded on a laser recordable optical data storage strip disposed on the opposite side of the...     
An identification code provided in relief on an object is read in that a radiation beam is obliquely incident on the surface on which the identification code is provided, and in that the identification code is observed by a detection system by means of the shadows thus cast.
4780600 Optical displacement transducer Oct-25-1988
An optical displacement sensor has an optically detectable coded track movable relative to a mask. The track is illuminated by light conducted by an optical fibre from a remote light source and the image of the track is focussed by a mirror on to the aperture of a second fibre. The mirror is mechanically...     
A holographic scanning system for scanning a bar coded label is disclosed in which the light beams of a laser are directed at a set of holograms located on a rotating disk in which each hologram will generate an individual scan beam having a slightly different focal length and direction angle from that...     
4810861 Information carrier and reader Mar-7-1989
An information carrier (17) has formations (20,21) which are engaged by contact elements (30,32) during insertion of the carrier into a receiving member (39) the movement of the contact elements is amplified and transmitted by levers (26,33) to respective means (25,34) for providing electrical signals...     
A data card having an optical recording medium formed by an erasable layer atop a polymer layer with prerecorded indicia, all atop a card base. The polymer layer has surface contours which constitute prerecorded indicia. The erasable layer disposed over the polymer layer displays the prerecorded indicia...     
A strip of optical contrast laser recording material is disposed on the wallet-size card, and has laser written characters recorded thereon. The characters are formed by a plurality of pixels, similar in nature to the dots forming dot matrix characters, except that the pixels themselves are formed of...     
4816659 Bar code reader head Mar-28-1989
A bar code reader head having an optical block with cavities formed therein into which various optical elements may be placed without the need for any adjustment thereof. A first illumination source, producing any desired spectrum of light, illuminates at least a portion of the bar code. A second illumination...     
Apparatus for reading optical information such as a bar code capable of reflecting ambient light and including a hand-held reader containing an image sensor. The hand-held reader is constructed so that ambient light illuminates the optical information, whereby an image of the optical information is imaged...     
4820913 Multiple card recording system Apr-11-1989
A data card recording system having a rotatable drum for supporting a plurality of data cards on its circumferential surface. A laser light source emits a beam which is modulated in response to data and directed to the cards on the rotating drum. The beam produces data spots in a plurality of parallel...     
4837425 Security arrangement Jun-6-1989
A security arrangement includes a token in the form of a thin lamina which co-operates with a receptor. The token includes an optically readable pattern in the form of a bar code, and a thin film holographic reflector which deflects the light which is modified by the bar code onto an optical sensor....     
4841129 Pattern recognition device Jun-20-1989
A scanning device for reading bar codes symbols comprising at least two moveable, preferably rotatably driven, reflective surfaces, such as mirrors, which direct a light source, preferably from a laser, in a scanning pattern towards the object to be scanned. At least one of said reflective surfaces having...     
The present invention concerning the Optical Identification Card System is provided with an individual card which emits infrared light modulated by the individual code and a detector which receives this infrared modulated light and detects the individual code. When a request signal is radiated from this...     
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 a first plurality of records. Within each of the plurality of records, the time the data was captured for...     
A bar code scanner (10) for scanning bar codes (12) is provided. The bar code scanner (10) includes an image sensor (26) for converting optical information into an electrical signal. The bar codes (12) are illuminated by ambient light only and not by a light source associated with the bar code scanner...     
A handheld reader for reading optical information such as a bar code contains a reading sensor. An image of the optical information is imaged by light reflected from the optical information, via a reflecting mirror, a lens and a diaphram member, onto the reading sensor so that the image is converted...     
4901241 Debit card postage meter Feb-13-1990
A postage meter dispensing postage labels corresponding to the consumption of value sites on a debit card. A debit card is inserted into the meter where a card reader/writer cooperates with a label printer. The same optical signal which is used to decrement a value on the card is also used to actuate...     
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