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Ocr/variable head slot reader

Info

Publication number
CA1162645A
CA1162645A CA 379751 CA379751A CA1162645A CA 1162645 A CA1162645 A CA 1162645A CA 379751 CA379751 CA 379751 CA 379751 A CA379751 A CA 379751A CA 1162645 A CA1162645 A CA 1162645A
Authority
CA
Grant status
Grant
Patent type
Prior art keywords
optical
system
magnetic
document
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA 379751
Other languages
French (fr)
Inventor
Jerry G. Warthan
Robert M. Mcmillan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Recognition Equipment Inc
Original Assignee
Recognition Equipment Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Grant date

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0004Hybrid readers
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K13/00Conveying record carriers from one station to another, e.g. from stack to punching mechanism
    • G06K13/02Conveying record carriers from one station to another, e.g. from stack to punching mechanism the record carrier having longitudinal dimension comparable with transverse dimension, e.g. punched card
    • G06K13/08Feeding or discharging cards

Abstract

OCR/VARIABLE HEAD SLOT READER

Abstract of the Invention 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 accommodate different documents. The slot through which checks, credit cards or other similar documents are passed is movable vertically to adapt to different media from which information is to be read.

Description

~ 1 626~ S

Field of Invention This invention relates to reading devices, and more particularly to optical character reading and magnetic reading devices in a common system in which magnetic credit cards and other documents such as checks may be read, providing both reading capabilities within one system.
Prior Art Present optical character reading systems provide either hand-held or fixed position readers. Hand-held readers as described in U.S. Patent 4,075,605, are used to read sales tickets, tags and various other items having OCR readable print thereon. In these systems the hand-held reader is moved adjacent the surface of the printed material to optically lift information therefrom.
Magnetic readers for reading credit cards are also utilized wherein the credit card may be deposited in a slot and read to dispense cash, or record information therefrom.
Even though many of the plastic credit cards have a magnetic stripe with information recorded thereon, a mechanical imprint machine is used to lift the printed material from the card when charge sales are made.
Even though systems for optical reading or magnetic reading have been used for a number of years, no system is presently available to provide the capability of reading OCR
and magnetic stripes to provide a dual function entry system.

~h ~ 1~2645 Brief Summary of the Invention The system described herein i9 a unique system utilizing optical character reading technology to provide OCR character reading capabilities simultaneously with magnetic stripe reading to provide a dual function to the data-entry system.
The system is capable of inputing information regarding credit, financial or other information to a host computer. One unique feature of the system is the variable center line of the Optical Reader. The path of the document is adjusted with respect to the Optical reader so that various portions of document may be optically read. The optical read center line is varied but the magnetic read-head remains constant with respect to the document track. This is necessary because a standard for magnetic reader stripes on plastic credit cards has been established so that the magnetic stripe for all cards is a defined distance from the bottom of the card.
Therefore within the system the magnetic data can be read regardless of the setting of the position for the optical reader. This system solves a problem of multiple reading devices for both human readable and magnetic characters which must be encoded and entered into a data-base. While the system described herein only illustrates a hand-fed system,it is possible to install a capstan and belt system for moving documents past the two read heads to increase the data throughput.

t~

1 1 626~

In accordance with an aspect of the invention there is provided an apparatus for reading different positional data on a document where the positional data is spaced apart and the data at each position is readable only by one type of reader, comprising: an optical reader, a magnetic stripe reader, and a document track, said magnetic stripe reader being mounted on said document track, said optical scanner being independent of said document track, and adjustment means for adjusting the document track in respect of said optical reader to permit the optical reader to scan data at various locations on the document while the magnetic stripe reader remains in a fixed relationship to the document track and reads the same area each time the document is magnetically read.

3a .~

A brief description of the drawings.
Figure 1 is a pictorial view of the system of the present invention.
Figure 2 is functional block diagram of the invention.
Figure 3 is an exploded view of a lens assembly used in the present invention.
Figure 4 is a partially assembled view of the lens and scan system of the present invention.
Figure 5 illustrates the document slot, readers and adjustment mechanism of the system shown in Figure 1.
Figure 6 is a front view of the mechanism in Figure 5.
Figure 7 is a modification of the lens system of Figure 4 to shorten the system. A corner mirror is placed in the system.
Figure 8 is a side view of Figure 7.
Figure 9 is an abbreviated illustration of the document track and the adjustment mechanism.
Referring to Figure 1, there is illustrated a pictorial diagram of a reader of the present system. Illustrated is a document which is being read by the system. Checks and similar documents may have magnetic printing thereon which can be either magnetically or optically read. In such a system, as illustrated, a check may be fed to the system wherein the bank identification code and account number of the person issuing the check may be read. Such a system may be at a teller station, wherein the amount o the check is keyed in by the teller. The keyed information as well as the optically or magnetic read information is fed into a computer recording the transaction of cashing or depositing checks.

:~7j 1 1 ~26~ S

Once the information is in the system, thereafter it can be handled by a central computer balancing an active account and issuing statements at the end of the month.
Similarly, such a device may be used in a retail environ-ment, wherein a credit card is fed to the system and the account number is magnetically read from the card. The cashier can then key in the amount of the sale wherein the customer account and the sale amount is entered into the computer for later billing.
In Figure 2 a magnetic reading head 10 is connected to the system through an analog threshold circuit 11. The analog threshold circuit is made up of a low level signal processing circuit which amplifies the signal from the magnetic reading head to a sufficient level for thresholding the phase encoded data. The entire circuit assembly may be descrete components or manufactured in a custom medium scale integrated circuit.
The output of the threshold circuit is a series of digital pulses which represent the magnetically encoded data. This data is relayed to the computer 12 and is stored in the RAM 16 for interpretation via logic and program information contained within the computer 12. The analog threshold circuit amplifies the signal generated by the magnetic head and relays it to the computer 12 which is programmed to accept the information and to read the information content thereof.
The optical scanner 13 feeds an analog processer 14 with electrical signals from an electronic array in the scanner 13, and relays them to the optical recognition system 15. Such a system might be similar to that disclosed in U.S.Patent 4,075,605. The optical processed data is transferred to computer 12. The optical processed data are interpreted via i ~ 626~

logic and control informa~ion contained wi-thin the computer 1~. This interpreted process is assisted by special data contained within the OCR Format Control 17. Since the optical read data has to be in specially readable fonts the OCR Format Control recognizes particular fonts and the format of the data and assists the computer in the analyzing of the optical data. The input-output 18 of the computer can be fed to equipment such as a host computer which may store the data for further processing, a CRT for displaying the read data and/or a printer for printing the read data.
Special coding of data information is used to identify which technique caused the data to be entered into the system.
Interactive control by the host system can also provide structured use of the optical and magnetic read portions of the invention. Additionally useful information may be fed back to the operator via this path.
Looking in more detail at the structure of the invention, the optical portion of the system consists of an optical frame 31, a reflector 32 and a lens tube assembly 33, packaged in a manner to allow electronic component to become an integral part of the optics assembly.
Referring to Figure 3, the optical frame 31 has a nose reflector 32 mounted to the frame. The reflector is used to direct the image of the document into the system and to keep out extraneous light. The nose reflector also includes the illumination source (not illustrated) which illuminates the document from which the data is to be read. The optics frame forms a back wall of the reflector and also is a lens tube assembly carrier. The frame also provides mounting features to mount a circuit assembly. The entire optics assembly mounts onto the circuit board as illustrated in Figure 4. The optics frame is designed such that no direct external load is applied to the frame or reflector to cause misalignment and warpage. The optics frame accepts the lens tube assembly and positions all the optical components on a common structure to insure proper alignment.
The lens tube 36 is a plastic part that provides the lens mounting and focusing adjustment and also provides for the mounting of the electronics array 38.
Looking at Figure 3, the lens 35 is inserted into the lens tube 26. The electronic array 38 is mounted on the flat surface at one end of the lens tube. This assembly is inserted within the tube 33 on the optics frame 31. The tube may be adjusted on the tracks 34 so that the correct magnification is obtained. After the lens assembly is properly positioned, the brackets 39 are positioned at each side of the tube with the pin 41 fitting within the slot 40 of the brackets to secure the lens assembly in place. The electronic array 38 is then interconnected with the circuit 20 board 42 through the flexible circuit 43.
Figure 5 illustrates the relative positions of the magnetic and optical pickups in regard to the document track.
The document track 65 has an opening 60 therein (Figure 6) through which the optical reading is accomplished. The magnetic pick up unit 61 is attached to the track 65 in a fixed position. The entire track can be raised or lowered using the adjustment wheels 63 and the helical ramps 61. The two adjustment wheels engage each other so that the raising and lowering may be accomplished by turning either wheel. As 30 the wheels turn the track rides up and down depending upon 1 1 ~264~

the directic,n the track moves on the ramps. The optical center line is adjusted however, since the magnetic pickup is attached to the track, the relative position to the pickup and the bottom of the track is held constant.
In some instances, where space may be a problem or a smaller unit is desired, the optical path may be deflected as illustrated in Figure 7. The optical reader will accept the light through the nose section 70, and is deflected through the corner mirror 71 along the tube 72 to the optical 10 array 73. The signals are then transferred to the rest of the circuit through the flexed circuit 74.
Figure 8 is a side view of the modifications shown in Figure 7.
Figure 9 illustrates the two thumb wheels 63 used to adjust the document track 65 which rides up and down on the helical ramps 64. The turning of one wheel automatically turns the other wheel so that the two ramps move simultaneously to maintain the document track in a horizontal position.

Claims

The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:
An apparatus for reading different positional data on a document where the positional data is spaced apart and the data at each position is readable only by one type of reader, comprising: an optical reader, a magnetic stripe reader, and a document track, said magnetic stripe reader being mounted on said document track, said optical scanner being independent of said document track, and adjustment means for adjusting the document track in respect of said optical reader to permit the optical reader to scan data at various locations on the document while the magnetic stripe reader remains in a fixed relationship to the document track and reads the same area each time the document is magnetically read.
CA 379751 1980-07-07 1981-06-15 Ocr/variable head slot reader Expired CA1162645A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US06165992 US4396902A (en) 1980-07-07 1980-07-07 OCR/Variable head slot reader
US165,992 1980-07-07

Publications (1)

Publication Number Publication Date
CA1162645A true CA1162645A (en) 1984-02-21

Family

ID=22601338

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 379751 Expired CA1162645A (en) 1980-07-07 1981-06-15 Ocr/variable head slot reader

Country Status (7)

Country Link
US (1) US4396902A (en)
JP (1) JPH0128431B2 (en)
CA (1) CA1162645A (en)
DE (1) DE3126730C2 (en)
FR (1) FR2486270B1 (en)
GB (1) GB2080004B (en)
NL (1) NL183324C (en)

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Also Published As

Publication number Publication date Type
FR2486270B1 (en) 1984-12-28 grant
NL183324C (en) 1988-09-16 grant
DE3126730C2 (en) 1984-09-20 grant
NL183324B (en) 1988-04-18 application
GB2080004B (en) 1984-04-26 grant
DE3126730A1 (en) 1982-03-04 application
CA1162645A1 (en) grant
GB2080004A (en) 1982-01-27 application
JPH0128431B2 (en) 1989-06-02 grant
US4396902A (en) 1983-08-02 grant
JP1542805C (en) grant
NL8103240A (en) 1982-02-01 application
JPS5762462A (en) 1982-04-15 application
FR2486270A1 (en) 1982-01-08 application

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