JP3102600U - Barcode reader - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a barcode reader capable of reading a two-dimensional barcode by a card sweep method.
A bar code reader comprising a case having a card sweep slot and a support subsystem provided in the case, wherein the support subsystem comprises a support and one of the supports forming the support. An optical reading module fixed to the side, a card pressing spring for pressing a card from the other side of the circuit board and the support to the optical reading module fixed toward one side, and a card pressing spring disposed along the flow direction of the slot; The optical reading module has first and second card sensors for detecting the movement of a card, and a line array photoelectric sensor or an area array photoelectric sensor provided perpendicular to the traveling direction of the card sweep slot. The optical reading module and the first and second card sensors are electrically connected to the circuit board. It is characterized by having.
[Selection diagram] Fig. 1

Description

  The present invention relates to a barcode reader, and more particularly, to a barcode reader having a slot for running a card and capable of reading a two-dimensional barcode by a card sweep method.

When applying the two-dimensional barcode reading technology to the field of certification cards, a card sweep type reader may be used.
However, since the conventional barcode card sweeping device is a device constituted by a point photoelectric converter, it is a card sweeping device that can only read a one-dimensional barcode. No. 4,740,675 (Digital bar code slot reader with threshold comparison of the differentiated bar code signal). A card sweeping device for reading a one-dimensional bar code by a photoelectric conversion device is disclosed.
This reading method is mainly implemented by setting a reading window in a slot of a card sweep and attaching a dot-like photoelectric converter to the window.

A Symlo 620 type card insertion type two-dimensional barcode reader for reading a certification card printed with PDF417 is on the market.
The device emits a sound indicating that the reader has succeeded or failed in reading after the user presses down the certification card in use and the device finishes reading the certification card.
However, this card insertion type barcode reader has a problem that the user cannot easily use it.
Further, the reading speed of the apparatus itself is slow, and the card to be read requires a certain hardness, so that the material of the card is limited, and the slot of the card to be inserted is also limited. However, this type of reader has a problem that only a card of a predetermined standard can be read.

U.S. Pat. No. 4,740,675

  The present invention has been made in view of such circumstances, and it is an object of the present invention to solve the above-described problems. In particular, the present invention has a slot for running a card and reads a two-dimensional barcode by a card sweep method. It is to provide a bar code reader capable of performing the above.

  The invention of claim 1 is a barcode reader comprising a case having a card sweep slot and a support subsystem provided within the case, wherein the support subsystem comprises the card sweep. A support formed in a shape similar to that of the slot, an optical reading module fixed to one side forming the support, a circuit board and the support fixed from the other side to the one side. A card pressing spring protruding from a window provided on one side surface of the slot and pressing a card against the optical reading module attached to a window provided on the other side surface, and the optical reading along the flow direction of the slot; First and second card senses for sensing the traveling of cards relatively arranged with the module interposed therebetween And the optical reading module has a line array photoelectric sensor or an area array photoelectric sensor provided perpendicular to the running direction of the slot of the card sweep, and the optical reading module and the first and second optical reading modules. A bar code reader is provided which is electrically connected to the circuit board.

  3. The barcode reader according to claim 2, comprising a case having a card sweep slot and a support subsystem provided in the case, wherein the support subsystem comprises the card sweep. A support formed in a shape similar to that of the slot, an optical reading module fixed to one side forming the support, a circuit board and the support fixed from the other side to the one side. A card pressing spring protruding from a window provided on one side surface of the slot and pressing a card against the optical reading module attached to a window provided on the other side surface, and the optical reading along the flow direction of the slot; First and second card senses for sensing the traveling of cards relatively arranged with the module interposed therebetween And the optical reading module has a line array photoelectric sensor or an area array photoelectric sensor provided perpendicular to the running direction of the slot of the card sweep, and the optical reading module and the first and second optical reading modules. A card sensor is electrically connected to the circuit board, and the support subsystem further includes a sounding device for indicating a reading state on the circuit board, wherein the bar code reader is provided. .

  4. The barcode reader according to claim 3, comprising a case having a card sweep slot and a support subsystem provided in the case, wherein the support subsystem comprises the card sweep. A support formed in a shape similar to that of the slot, an optical reading module fixed to one side forming the support, a circuit board and the support fixed from the other side to the one side. A card pressing spring protruding from a window provided on one side surface of the slot and pressing a card against the optical reading module attached to a window provided on the other side surface, and the optical reading along the flow direction of the slot; First and second card senses for sensing the traveling of cards relatively arranged with the module interposed therebetween And the optical reading module has a line array photoelectric sensor or an area array photoelectric sensor provided perpendicular to the running direction of the slot of the card sweep, and the optical reading module and the first and second optical reading modules. A card sensor is electrically connected to the circuit board, and the support subsystem further includes a light emitting device on the circuit board, the light emitting device indicating a reading state, wherein the bar code reader is provided. .

  5. The barcode reader according to claim 4, comprising a case having a card sweep slot and a support subsystem provided in the case, wherein the support subsystem comprises the card sweep. A support formed in a shape similar to that of the slot, an optical reading module fixed to one side forming the support, a circuit board and the support fixed from the other side to the one side. A card pressing spring protruding from a window provided on one side surface of the slot and pressing a card against the optical reading module attached to a window provided on the other side surface; First and second card senses for sensing the traveling of cards relatively arranged with the module interposed therebetween And the optical reading module has a line array photoelectric sensor or an area array photoelectric sensor provided perpendicular to the running direction of the slot of the card sweep, and the optical reading module and the first and second optical reading modules. A card sensor is electrically connected to the circuit board, and the support subsystem is further connected to a computing device and further includes an interface connection part electrically connected to the circuit board. A bar code reader is provided.

  6. The barcode reader according to claim 5, comprising a case having a card sweep slot and a support subsystem provided in the case, wherein the support subsystem includes the card sweep. A support formed in a shape similar to that of the slot, an optical reading module fixed to one side forming the support, a circuit board and the support fixed from the other side to the one side. A card pressing spring protruding from a window provided on one side surface of the slot and pressing a card against the optical reading module attached to a window provided on the other side surface, and the optical reading along the flow direction of the slot; First and second card senses for sensing the traveling of cards relatively arranged with the module interposed therebetween And the optical reading module has a line array photoelectric sensor or an area array photoelectric sensor provided perpendicular to the running direction of the slot of the card sweep, and the optical reading module and the first and second optical reading modules. The card sensor is electrically connected to the circuit board, and the optical reading module receives the light reflected from the read graphic and collects the reflected light by receiving the light reflected from the read graphic. A bar code reader includes a lens and a photoelectric sensor that converts transmitted light condensed by the lens into an electric signal.

  7. The barcode reader according to claim 6, comprising a case having a card sweep slot and a support subsystem provided in the case, wherein the support subsystem includes the card sweep. A support formed in a shape similar to that of the slot, an optical reading module fixed to one side forming the support, a circuit board and the support fixed from the other side to the one side. A card pressing spring protruding from a window provided on one side surface of the slot and pressing a card against the optical reading module attached to a window provided on the other side surface, and the optical reading along the flow direction of the slot; First and second card senses for sensing the traveling of cards relatively arranged with the module interposed therebetween And the optical reading module has a line array photoelectric sensor or an area array photoelectric sensor provided perpendicular to the running direction of the slot of the card sweep, and the optical reading module and the first and second optical reading modules. A card sensor is electrically connected to the circuit board, and the circuit board controls a power switch and a start, an execution, and a stop of the barcode reader according to signals of the first and second card sensors. Processor, an interface module connected between the processor and the computing device, and an A / D connected to the microprocessor and for converting an analog signal obtained by optically reading an original into a digital signal. A converter and a serial digital signal output from the A / D converter are locked up, and an 8-bit parallel signal is locked. A bar code reader is provided, which is provided with a programmable logic device for converting into a digital signal.

  8. The barcode reader according to claim 7, comprising a case having a card sweep slot and a support subsystem provided in the case, wherein the support subsystem comprises the card sweep. A support formed in a shape similar to that of the slot, an optical reading module fixed to one side forming the support, a circuit board and the support fixed from the other side to the one side. A card pressing spring protruding from a window provided on one side surface of the slot and pressing a card against the optical reading module attached to a window provided on the other side surface, and the optical reading along the flow direction of the slot; First and second card senses for sensing the traveling of cards relatively arranged with the module interposed therebetween And the optical reading module has a line array photoelectric sensor or an area array photoelectric sensor provided perpendicular to the running direction of the slot of the card sweep, and the optical reading module and the first and second optical reading modules. A card sensor is electrically connected to the circuit board, and the circuit board controls a power switch and a start, an execution, and a stop of the barcode reader according to signals of the first and second card sensors. Processor, an interface module connected between the processor and the computing device, and an A / D connected to the microprocessor and for converting an analog signal obtained by optically reading an original into a digital signal. A converter and a serial digital signal output from the A / D converter are locked up, and an 8-bit parallel signal is locked. A programmable logic device for converting to a digital signal, wherein the circuit board is connected to the processor so as to be capable of transmitting and receiving, and a flash memory for storing a decoding program; and a two-dimensional bar for executing and reading the decoding program There is provided a bar code reader further comprising an internal memory for resuming information including a code.

9. The barcode reader according to claim 8, comprising a case having a card sweep slot, and a support subsystem provided in the case, wherein the support subsystem comprises the card sweep. A support formed in a shape similar to that of the slot, an optical reading module fixed to one side forming the support, a circuit board and the support fixed from the other side to the one side. A card pressing spring protruding from a window provided on one side surface of the slot and pressing a card against the optical reading module attached to a window provided on the other side surface, and the optical reading along the flow direction of the slot; First and second card senses for sensing the traveling of cards relatively arranged with the module interposed therebetween And the optical reading module has a line array photoelectric sensor or an area array photoelectric sensor provided perpendicular to the running direction of the slot of the card sweep, and the optical reading module and the first and second optical reading modules. The card sensor is electrically connected to the circuit board, the case includes a cover having a slot for the card sweep, and a bottom cover provided at a lower portion of the cover. And a bar code reader fixed to the bar code reader.
By providing these ideas, all of the above problems are solved.

The bar code reader having a card slot disclosed in the present invention and reading a two-dimensional bar code by a card sweep method has a slot type design structure.
The present apparatus can read a two-dimensional barcode card and also can read a two-dimensional barcode printed on the edge of various files, and has wide applicability. Furthermore, since the requirements for the material of the card are low, the reading speed is much faster than in the past, and there are two card detectors, it is possible to use two card sweep directions.
In addition, since a line array or area array sensor is employed in the barcode card sweeping device, a one-dimensional barcode can be read and a two-dimensional barcode can be decoded.
The control circuit of the circuit board stores the decode program in the flash memory and executes the decode program in the internal memory. Then, the digital signal is input to the processor in parallel by the DMA method by the programmable logic device. By performing the parallel input, the processing speed can be increased, and the load on the processor during data transmission can be reduced. Further, collection and transmission of image data and image processing by the processor can be processed in parallel.

A feature of the present invention is that the user records in a two-dimensional barcode by a card sweep method.
The amount of information input by such a method is more than one hundred times larger than the amount of information stored by the conventional one-dimensional barcode method. Further, the technology of the two-dimensional barcode is complicated, the amount of information can be increased, the security can be improved, and the forgery prevention effect can be improved.
Such a card sweeping apparatus has a high reading processing speed without depending on the material of the card, and can read a two-dimensional bar code printed on the edge of the card or another material. Since there are two card detectors, two (bidirectional) reading directions can be used.
The control circuit of the circuit board stores the decode program in the flash memory and executes the decode program in the internal memory. Then, the digital signal is input to the processor in parallel by the DMA method by the programmable logic device. By performing the parallel input, the processing speed can be increased, and the load on the processor during data transmission can be reduced. Further, collection and transmission of image data and image processing by the processor can be processed in parallel.

The best mode for carrying out the present invention will be described.
As shown in FIG. 1, a slot is provided at the top outside of the barcode reader of the present invention, and a two-dimensional barcode printed on a document runs through the slot, and the barcode is read. It will be decoded and output.

FIG. 2 is a schematic development view of the configuration of the barcode reader according to the present invention. This apparatus mainly comprises a cover 1, a subsystem 2 and a bottom cover 3, which are three parts.
The subsystem 2 is mounted inside the cover 1, the lower part of the cover is sealed with the bottom cover 3, and the three parts are fixed and connected by screws.
As shown in FIG. 2, the cover 1 is provided with a push key and a speaker opening, and these positions are determined so as to correspond to the positions of the switch 213 and the buzzer 214 attached to the subsystem 2.
A card pushing spring 225 provided in the subsystem 2, an optical reading module 224, and openings for the first and second card sensors 222, 223 are provided on the inner walls on both sides of the slot opened at the top of the cover 1. .

FIG. 3 is a schematic view showing an assembling relationship of subsystems of the barcode reading device according to the present invention, and is a view mainly showing the assembled subsystem 2.
As shown in FIGS. 2 and 3, the subsystem 2 has a printed circuit board 21 fixed and connected by screws and a support 22 of the subsystem, and a processor 211, a modular converter 212, a switch 213, Various electronic devices such as the buzzer 214 and the light tube 215 are welded.
Inside the subsystem 2, a second plug-in is screwed into the lower part of the support 22 of the subsystem and is fixed with a screw so that a document or a card can be sensed passing through the slot of the card of the support 22 of the subsystem. It further includes one card sensor 222 and a second card sensor 223, and further includes an optical reading module 224 that can be secured to the subsystem support 22 with screws.
The first and second card sensors 222 and 223 are electrically connected to the optical reading module 224 and the printed circuit board 21.
The support 22 of the subsystem is fixed by screwing a bent card pressing spring 225. The card pressing spring 225 protrudes from an opening provided on the side surface of the card slot of the cover 1 so as to contact the other side surface of the card slot.
With the card pushing spring 225, a document or the like passing through the slot of the barcode reader of the present invention can be brought into close contact with the optical reading module 224, and the reading effect can be obtained most efficiently.
As shown in FIG. 2, the bottom cover 3 is provided with connecting parts for connecting the bottom cover 3 and the barcode reader to the interface of the computing device, and fixing screws. The interface between the barcode reader and the computing device is electrically connected to an interface module on the printed circuit board 21.

FIG. 4 is a block diagram of the circuit configuration of the barcode reader according to the present invention.
The circuit of the present invention includes a processor, an internal memory and a flash memory connected so that information can be bidirectionally transmitted and received to and from the processor, an external AC power supply and a power switch.
Further, the circuit further includes a CIS (contact image sensor) module or optical reading module, an A / D converter, and a programmable logic device. It further includes an interface module connected to a computing device (for example, a PC), for example, a USB interface, a P / S2 interface, and a COM.
The processor controls the start, execution and stop of the barcode reader in response to the signals of the first and second card sensors.
The pseudo graphic information obtained by the CIS read barcode is converted into a level and sent to an A / D converter, for example, WM8150 (manufactured by Wolfson Microelectronics, UK). can get. After this conversion, the analog signal for each point is converted to a 16-bit digital signal. This signal is output serially to a programmable logic device (CPLD).
The serially output signal of the programmable logic device (CPLD) is first locked up, the previous 8 bits are kept as it is, and the latter 8 bits are discarded to generate an 8-bit digital signal.
The 8-bit digital signal is transmitted to the processor in parallel by the DMA method, and image processing and decoding operation are performed. The decoded data is sent to the PC via the interface module.
Since the flash memory stores the decode program, the internal memory can execute the decode program.
Such processing can increase the processing speed of the processor for processing the analog signal and reduce the load on the processor during data transmission. Image data collection and transmission and image processing can be performed in parallel by the processor.

The electronic device used in the present invention has a card sensor that allows the processor to control the reading and senses the position of the card through the slot of the card sweep.
Further, an optical reading module (for example, a CIS contact type image sensor module) for obtaining a barcode image, a switch for turning on / off the power of the barcode reading device, and a signal emitting a sound for notifying the end of decoding. A device (e.g., a buzzer), a light emitting device (e.g., an LED diode) for emitting an optical signal indicating the operation / termination of decoding, a processor for performing graphic processing and decoding, and an optical reading device. AFE for converting the level signal into an 8-bit digital signal, an A / D (analog / digital) converter, and a serial signal from the AFE for generating and decoding a time sequence signal required for the AFE and the CIS. CPLD programmable logic device for converting a signal into an 8-bit parallel signal Equipped with a.

FIG. 5 is a schematic view of the operation control process of the bar code reader according to the present invention.
FIG. 5 shows a CPLD (programmable logic device) including a time sequence conversion circuit and a frequency division circuit.
First, a main clock frequency (MMCCLK) and a read signal (nROE) are transmitted by a processor, and a logical division is performed by a frequency division circuit in the programmable logic device CPLD, and then a CIS-CLK signal is generated to represent the gradation of one pixel. An analog signal is output to the CIS synchronously.
At this time, the VSMP signal is triggered by the AFE, and the A / D converter receives the analog signal and converts the signal into a 16-bit digital signal. The MCLK signal is triggered by the AFE and sends a 16-bit signal to the CPLD.
The 16-bit signal subjected to the time sequence conversion transmits the previous 8-bit signal to the buffer of the CPU of the processor by the DMA method. Here, the SP signal is a start signal of one reading cycle transmitted from the processor and received by the CIS module (optical image reading module). One SP cycle indicates that data for one line is read.

FIG. 6 is a schematic diagram of a configuration of the optical reading module 224 (CIS contact type image sensor) in the barcode reading device according to the present invention.
The optical reading module 224 includes a light source 2242, a connector 2243, a printed circuit 2244, a photoelectric sensor 2245, a lens 2246, and a glass lid 2241.
The principle of operation of the CIS will be described with reference to FIG.
First, light is emitted from the light source. This light illuminates the figure that is read through the glass lid. The light illuminated and reflected on the figure is condensed by a lens via a glass lid, received by a photoelectric detector, and converted into an electric signal.
The CIS is provided with an array photoelectric sensor 2245 composed of a plurality of photoelectric sensing devices. The array photoelectric sensor 2245 provided can adopt a line array or an area array.
After receiving the SP signal, the CIS module irradiates the light from the light source onto the image to be read, collects light reflected by the image to be read at this time by a lens, and receives the collected light with a photoelectric detector. To generate an electrical signal.
This electric signal is registered in the shifter register. Signals at points generated by performing a plurality of exposures stored in the shifter register are triggered by the CIS-CLK signal and sequentially output.

The method of using the present invention will be described below.
The user moves the card along the slot of the card sweep.
The first card sensor 222 or the second card sensor 223 detects the card and causes the optical reading module 224 to execute.
The card inserted into the slot is brought into close contact with the window provided with the optical reading module 224 by the pressure of the card pressing spring 225.
The optical reading module 224 receives light reflected from the card through the window of the optical reading module 224, and obtains a pseudo image signal. This pseudo image signal is sent to the modular converter.
The digital image signal subjected to the modular conversion is transmitted to a processor and decoded.
If both the card sensor 222 and the card sensor 223 do not detect the card, the operation of the optical reading module 224 is stopped.
When the decoding is completed, the sound emitting device 214 emits an audio signal, and the light tube 215 emits an optical signal to notify the user that the decoding has been completed.

Since a line array or area array sensor is used in the barcode reader, the present invention can decode not only one-dimensional barcodes but also two-dimensional barcodes.
Further, since two card sensors are provided, two reading directions can be maintained. The slotted design has a wide range of applicability.

FIG. 2 is an external view of the barcode reader according to the present invention. FIG. 2 is a schematic development view of the configuration of the barcode reader according to the present invention. FIG. 3 is a schematic view showing an assembled state of a sub-system of the bar code reader according to the present invention. FIG. 3 is a block diagram of a circuit configuration of the barcode reader according to the present invention. FIG. 4 is a schematic view of an operation control process of the barcode reader according to the present invention. FIG. 2 is a schematic diagram of a configuration of an optical reading module in the barcode reading device according to the present invention.

Explanation of reference numerals

1-Cover 2-Subsystem 21-Printed Board 211-Processor 212-Modular Converter 213-Switch 214-Buzzer 215-Light Tube 22-Subsystem Support 222-First Card Detector 223-Second Card Sense 224-optical reading module 225-card pushing spring 2241-glass lid 2242-light source 2243-connector 2244-printed circuit 2245-photoelectric sensor 2246-lens 3-bottom lid

Claims (8)

A case having a card sweep slot, and a barcode reader comprising a support subsystem provided in the case,
The support subsystem is:
A support formed into a shape similar to the slot of the card sweep,
An optical reading module fixed to one side forming the support, a circuit board and the other side of the support fixed toward the one side and projecting from a window provided on one side of the slot; A card pressing spring for pressing a card to the optical reading module attached to a window provided on the other side,
A first and a second card sensor that senses the running of a card that is disposed along the flow direction of the slot and relatively disposed with the optical reading module interposed therebetween,
The optical reading module has a line array photoelectric sensor or an area array photoelectric sensor provided perpendicularly to a traveling direction of a slot of the card sweep,
The bar code reader according to claim 1, wherein the optical reading module and the first and second card detectors are electrically connected to the circuit board. A case having a card sweep slot, and a barcode reader comprising a support subsystem provided in the case,
The support subsystem is:
A support formed into a shape similar to the slot of the card sweep,
An optical reading module fixed to one side forming the support, a circuit board and the other side of the support fixed toward the one side and projecting from a window provided on one side of the slot; A card pressing spring for pressing a card to the optical reading module attached to a window provided on the other side,
A first and a second card sensor that senses the running of a card that is disposed along the flow direction of the slot and relatively disposed with the optical reading module interposed therebetween,
The optical reading module has a line array photoelectric sensor or an area array photoelectric sensor provided perpendicularly to a traveling direction of a slot of the card sweep,
The optical reading module and the first and second card sensors are electrically connected to the circuit board,
The bar code reader according to claim 1, wherein the support subsystem further includes a sound generation device on the circuit board, the sound generation device indicating a reading state. A case having a card sweep slot, and a barcode reader comprising a support subsystem provided in the case,
The support subsystem is:
A support formed into a shape similar to the slot of the card sweep,
An optical reading module fixed to one side forming the support, a circuit board and the other side of the support fixed toward the one side and projecting from a window provided on one side of the slot; A card pressing spring for pressing a card to the optical reading module attached to a window provided on the other side,
A first and a second card sensor that senses the running of a card that is disposed along the flow direction of the slot and relatively disposed with the optical reading module interposed therebetween,
The optical reading module has a line array photoelectric sensor or an area array photoelectric sensor provided perpendicularly to a traveling direction of a slot of the card sweep,
The optical reading module and the first and second card sensors are electrically connected to the circuit board,
The bar code reader according to claim 1, wherein the support subsystem further includes a light emitting device on the circuit board for indicating a reading state. A case having a card sweep slot, and a barcode reader comprising a support subsystem provided in the case,
The support subsystem is:
A support formed into a shape similar to the slot of the card sweep,
An optical reading module fixed to one side forming the support, a circuit board and the other side of the support fixed toward the one side and projecting from a window provided on one side of the slot; A card pressing spring for pressing a card to the optical reading module attached to a window provided on the other side,
A first and a second card sensor that senses the running of a card that is disposed along the flow direction of the slot and relatively disposed with the optical reading module interposed therebetween,
The optical reading module has a line array photoelectric sensor or an area array photoelectric sensor provided perpendicularly to a traveling direction of a slot of the card sweep,
The optical reading module and the first and second card sensors are electrically connected to the circuit board,
The bar code reader according to claim 1, wherein the support subsystem further includes an interface connection component connected to a computing device and electrically connected to the circuit board. A case having a card sweep slot, and a barcode reader comprising a support subsystem provided in the case,
The support subsystem is:
A support formed into a shape similar to the slot of the card sweep,
An optical reading module fixed to one side forming the support, a circuit board and the other side of the support fixed toward the one side and projecting from a window provided on one side of the slot; A card pressing spring for pressing a card to the optical reading module attached to a window provided on the other side,
A first and a second card sensor that senses the running of a card that is disposed along the flow direction of the slot and relatively disposed with the optical reading module interposed therebetween,
The optical reading module has a line array photoelectric sensor or an area array photoelectric sensor provided perpendicularly to a traveling direction of a slot of the card sweep,
The optical reading module and the first and second card sensors are electrically connected to the circuit board,
The optical reading module includes a light source that irradiates a figure to be read, a lens that receives light reflected from the figure to be read, and a lens that condenses the reflected light, and converts the transmitted light condensed by the lens into an electric signal. A bar code reader, comprising: a photoelectric sensor for converting. A case having a card sweep slot, and a barcode reader comprising a support subsystem provided in the case,
The support subsystem is:
A support formed into a shape similar to the slot of the card sweep,
An optical reading module fixed to one side forming the support, a circuit board and the other side of the support fixed toward the one side and projecting from a window provided on one side of the slot; A card pressing spring for pressing a card to the optical reading module attached to a window provided on the other side,
A first and a second card sensor that senses the running of a card that is disposed along the flow direction of the slot and relatively disposed with the optical reading module interposed therebetween,
The optical reading module has a line array photoelectric sensor or an area array photoelectric sensor provided perpendicularly to a traveling direction of a slot of the card sweep,
The optical reading module and the first and second card sensors are electrically connected to the circuit board,
The circuit board,
Power switch,
A processor that controls the start, execution and stop of the barcode reader in response to signals of the first and second card sensors;
An interface module connected between the processor and the computing device;
An A / D converter connected to the microprocessor and converting an analog signal obtained by optically reading a document into a digital signal;
A bar code reader comprising: a programmable logic device that locks up a serial digital signal output from the A / D converter and converts it into an 8-bit parallel digital signal. A case having a card sweep slot, and a barcode reader comprising a support subsystem provided in the case,
The support subsystem is:
A support formed into a shape similar to the slot of the card sweep,
An optical reading module fixed to one side forming the support, a circuit board and the other side of the support fixed toward the one side and projecting from a window provided on one side of the slot; A card pressing spring for pressing a card to the optical reading module attached to a window provided on the other side,
A first and a second card sensor that senses the running of a card that is disposed along the flow direction of the slot and relatively disposed with the optical reading module interposed therebetween,
The optical reading module has a line array photoelectric sensor or an area array photoelectric sensor provided perpendicularly to a traveling direction of a slot of the card sweep,
The optical reading module and the first and second card sensors are electrically connected to the circuit board,
The circuit board,
Power switch,
A processor that controls the start, execution and stop of the barcode reader in response to signals of the first and second card sensors;
An interface module connected between the processor and the computing device;
An A / D converter connected to the microprocessor and converting an analog signal obtained by optically reading a document into a digital signal;
A programmable logic device that locks up a serial digital signal output from the A / D converter and converts it into an 8-bit parallel digital signal;
The circuit board is connected to the processor so as to be able to transmit and receive, and a flash memory for storing a decoding program, and an internal memory for executing the decoding program and resuming information including a two-dimensional barcode to be read. A bar code reader, further comprising: A case having a card sweep slot, and a barcode reader comprising a support subsystem provided in the case,
The support subsystem is:
A support formed into a shape similar to the slot of the card sweep,
An optical reading module fixed to one side forming the support, a circuit board and the other side of the support fixed toward the one side and projecting from a window provided on one side of the slot; A card pressing spring for pressing a card to the optical reading module attached to a window provided on the other side,
A first and a second card sensor that senses the running of a card that is disposed along the flow direction of the slot and relatively disposed with the optical reading module interposed therebetween,
The optical reading module has a line array photoelectric sensor or an area array photoelectric sensor provided perpendicularly to a traveling direction of a slot of the card sweep,
The optical reading module and the first and second card sensors are electrically connected to the circuit board,
The case comprises a cover having a slot for the card sweep, and a bottom cover provided at a lower portion of the cover, wherein a subsystem of the support is fixed in the cover. apparatus.

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