KR200283554Y1 - Mobile Barcode Scan With IrDA Scanner - Google Patents

Abstract

The present invention scans a barcode displayed on a mobile phone or a PDA terminal, or recognizes a payment method using an integrated circuit chip (ICC) and a signal embedded with an IrDA circuit, thereby transmitting customer information to a barcode displayed on a mobile phone or a PDA terminal. Easily scan and recognize signals with integrated circuit chips (ICC) or IrDA circuits embedded in credit cards or mobile phones.Wireless and wireless bidirectional with features that allow customers to accurately and easily recognize customer identification in a variety of ways. A liquid crystal display (LCD) barcode scanner.

The overall configuration of the present invention and the trigger switch 10 for selecting the start of the barcode scanning operation; A memory unit 15 comprising ROM (Read Only Memory) and RAM (Random Access Memory) storing control firmware for each unit; Operation control of each part is performed according to the firmware of the memory unit 15, and the selection of the trigger switch 15 is recognized to control the irradiation of light and the signal detection corresponding to the barcode, and to decode the input barcode information. A microprocessor 20 for displaying the decrypted data on the liquid crystal display 25 attached to the scanner or controlling transmission to another device; An LED light source 30 for irradiating a red wavelength (660 nm) light to the liquid crystal barcode to be scanned under the control of the microprocessor 20; A signal sensing integrated circuit chip 70 for recognizing the integrated circuit chip; An infrared signal sensing reader 75 using the IrDA circuit; A lens and an optical filter 35 for collecting light reflected from the liquid crystal barcode; A CCD sensor 40 for converting the intensity of the light collected by the lens and the optical filter 35 into an electrical signal; A signal detector 45 which amplifies the analog signal of the CCD sensor 40 and converts the analog signal into a digital signal and provides the converted signal to the microprocessor 20; In accordance with the control of the microprocessor 20 includes an I / O driver 50 for displaying data on the liquid crystal display 25 attached to the scanner or for driving with another device, and various interfaces (RS-232C, PS / 2). , USB, Ocia), and it has a function of recognizing damaged barcode and displaying barcode type information.

Description

Wired / wireless bi-directional LCD display barcode scanner with barcode scanning function, integrated circuit chip and IDD circuit {Mobile Barcode Scan With IrDA Scanner}

The present invention scans a barcode displayed on a mobile phone or a PDA terminal, or recognizes a payment method using an integrated circuit chip (ICC) and a signal embedded with an IrDA circuit, thereby transmitting customer information to a barcode displayed on a mobile phone or a PDA terminal. Easily scan and recognize signals with integrated circuit chips (ICC) or IrDA circuits embedded in credit cards or mobile phones.Wireless and wireless bidirectional with features that allow customers to accurately and easily recognize customer identification in a variety of ways. A liquid crystal display (LCD) barcode scanner.

In general, a barcode refers to a method of defining a single character by combining a plurality of bars using a thickness ratio of a bar-shaped bar in which black portions and white portions are arranged, and a device that reads and decodes a barcode scanner ( Barcode Scanner, also known as an integrated circuit card (ICC), is generally the same as a credit card standardized by the International Organization for Standardization (ISO) and is much larger than a magnetic card. It has memory capacity, high functionality and stability, and IrDA (Infrared Data Association) is required for serial transmission of data using infrared rays between Note PC portable information terminals (PDA, etc.).

Such barcodes have been widely used to quickly and easily check the price of goods in convenience stores, supermarkets, and large stores.

Using this barcode, it is convenient to check related information in a short time, and it has a built-in signal reader that can recognize signals with integrated circuit chip (ICC) or IrDA circuit. It can be applied to the micro-payment function using various functions such as debit and electronic money, and has the function to recognize the service card with the built-in IrDA circuit. It can scan barcodes displayed on mobile phones or PDA terminals, etc. By enabling payment of IrDA signals and payment means using integrated circuit chips (ICC), customers can easily scan barcodes displayed on mobile phones or PDA terminals, and use integrated circuit chips (ICC) or IrDA circuits embedded in credit cards or mobile phones. The built-in signal can be identified to allow customer identification to be performed accurately and easily in a variety of ways.

For this reason, large discount stores, department stores, convenience stores, and supermarkets use cards with barcodes to identify customers rather than entering names and social security numbers one by one. IC card (Integrated Circuit Card) with built-in) is generally used in the form of smart card or credit card, and IrDA (Infrared Data Association) uses infrared rays between Note PC portable information terminals (PDA, etc.) Also used for serial transmission.

Recently, various discount coupons, ticket purchases, etc. using barcodes have been applied to various purchase information and member management systems of customers through the Internet using mobile phones or PDA terminals, and these services are in the commercialization stage.

However, when applying to the Internet membership management system in the conventional technology has the following problems.

First, long-term preservation is impossible when the barcode is printed. If repeated scanning is used, the printed barcode cannot maintain the original barcode form, which may cause errors in data recognition.

In the case of managing members through the internet using barcodes, the frequency of use increases day by day, and the new barcodes need to be replaced with new barcodes.

Second, in the case of using a conventional barcode scanner, it is impossible to change barcode data.

Although it is impossible to change the data of the barcode through the network when the member management through the Internet is a printable barcode, it is inconvenient to replace the new barcode whenever a change occurs. have.

In the future, the bar code is not only printable, but various bar codes in the liquid crystal state are expected to be pushed to enable reuse of bar codes. Thus, a bar code scanner cannot expose the liquid crystal bar code.

Third, in the case of a printed barcode, there was an inconvenience of having an internet barcode for a mobile phone and a separate internet membership management function for a call.

Due to the above problems, the present invention devised a method of displaying a bar code on a mobile phone or a PDA terminal and embedding a signal sensing reader capable of recognizing a signal having an integrated circuit chip (ICC) or an IrDA circuit. It is possible to recognize customer identification in various ways accurately and easily by scanning barcodes displayed on mobile phones or PDA terminals, or by detecting and transmitting signals embedded with integrated circuit chips (ICC) and IrDA circuits. There is a need for a wired / wireless bidirectional liquid crystal display (LCD) barcode scanner with signal sensing capabilities, including integrated circuit chips (ICC) and IrDA circuits.

In addition, the conventional scanner has only a function of displaying information by scanning a bar code, and by adding a function to recognize and transmit a signal having an integrated circuit chip (ICC) and an IrDA circuit, a large discount store, a department store, and a convenience store. In the supermarket, there were various problems such as the inconvenience of using a separate integrated circuit chip (ICC) and equipment for detecting an IrDA circuit.

The present invention has been proposed in view of the above-mentioned conventional necessity, and the present invention has a method of displaying a barcode on a mobile phone or a PDA terminal, and a signal sensing reader capable of recognizing a signal having an integrated circuit chip (ICC) or an IrDA circuit. Invented a method of embedding the mobile phone or PDA terminal by scanning the barcode displayed on the mobile phone or PDA terminal, or by using the integrated circuit chip (ICC) payment method and IrDA circuit built-in signals can be recognized and transferred, customer information to the mobile phone or Easily scan barcodes displayed on PDA terminals, etc., to recognize signals embedded in ICC or IrDA circuits embedded in credit cards or mobile phones, and to accurately and easily recognize customer identification in various ways. To provide a wired / wireless two-way liquid crystal display bar code scanner with functions .

The overall configuration of the present invention for achieving the above object is a trigger switch 10 for selecting a bar code scanning operation start; A memory unit 15 comprising ROM (Read Only Memory) and RAM (Random Access Memory) storing control firmware for each unit; The operation of each part is controlled according to the firmware of the memory unit 15, the selection of the trigger switch is recognized to control the irradiation of light and the signal detection corresponding to the barcode, and the decrypted data is read by decoding the input barcode information. A microprocessor (MP) for displaying on a liquid crystal display attached to a scanner or for controlling transmission to other devices; A signal sensing integrated circuit chip (ICC) for recognizing an integrated circuit chip under the control of the microprocessor; An infrared reader (IrDA) using IrDA circuit technology; An LED light source for emitting red wavelength (660 nm) light to the liquid crystal barcode to be scanned; A lens and an optical filter for collecting light reflected from the liquid crystal barcode; A CCD sensor for converting the intensity of light collected by the lens and the optical filter into an electrical signal; A signal detector for amplifying an analog signal of the CCD sensor and converting the analog signal into a digital signal and providing the same to the microprocessor; The microprocessor includes an I / O driver for displaying data on a liquid crystal display window attached to a scanner or driving it with another device, and supports various interfaces, and directly recognizes a damaged barcode and displays the type information of the barcode. Built-in signal recognition reader that recognizes a circuit chip (ICC) and has a micropayment application function using a card with various functions such as transportation, credit, debit, and electronic money, and scans a barcode displayed on a mobile phone or PDA terminal, or uses an integrated circuit chip (ICC). Payment method and IrDA signal can be transferred easily to scan barcodes displayed on mobile phones or PDA terminals and recognize signals embedded in credit cards or integrated circuits (ICC) or IrDA circuits. Characterized in having a function that can be.

Hereinafter, the overall configuration of the present invention and specific effects obtained therefrom will be described in detail with reference to the accompanying drawings.

1 is a block diagram illustrating the overall configuration of the present invention

2 is an exemplary diagram of a digital signal corresponding to barcode information and liquid crystal barcode information.

<Explanation of symbols for the main parts of the drawings>

10... Trigger switch 15.. Memory section 20.. Microprocessor

25... Liquid crystal display window 30... LED light source 35. Lens and Optical Filter

40... CCD sensor 45.. Signal detector 50.. I / O Drive

55... Complete sound output device 60... . Finished light output device 65.. Display part

70... Integrated circuit chip 75... Infrared Signal Reader

1 is a block diagram illustrating the overall configuration of the present invention, Figure 2 is an illustration of a digital signal corresponding to the barcode information and the liquid crystal barcode information.

As illustrated in the figure, a wired / wireless bi-directional liquid crystal display (LCD) barcode scanner having a scan function and a function capable of detecting and transmitting a signal having an integrated circuit chip (ICC) and an IrDA circuit according to the present invention. Is a system for utilizing not only existing barcodes but also barcodes displayed on mobile phones or PDA terminals, for use in Internet services through wired and wireless networks. Unlike conventional barcodes, the present invention is a mobile phone or PDA terminal. Barcodes displayed on the back can be decoded so that the contents of the barcodes can be changed from time to time through wired and wireless networks, which can be used for Internet customer management systems through customer management cards, coupons, and tickets.

1 is a wired / wireless two-way liquid crystal display (LCD) having a scanning function of a barcode displayed on a mobile phone or a PDA terminal according to the present invention and a function capable of detecting and transmitting a signal embedded with an integrated circuit chip (ICC) and an IrDA circuit (LCD). As a configuration diagram of a barcode scanner, referring to FIG. 1, a trigger switch 10 for selecting a barcode scanning operation start according to the present invention, a ROM (Read Only Memory) storing control firmware for each unit, and A memory unit 15 composed of random access memory (RAM); Operation of each part is performed according to the firmware of the memory unit 15, and the selection of the trigger switch 10 is recognized to control the irradiation of light and the signal detection corresponding to the bar code, and to decode the input bar code information. A microprocessor 20 for displaying the decrypted data on a liquid crystal display attached to the scanner or controlling transmission to another device; A signal sensing integrated circuit chip (70) for recognizing the integrated circuit chip under the control of the microprocessor (20); An infrared reader reader 75 using IrDA circuit technology; An LED light source 30 for irradiating red wavelength (660 nm) light to the liquid crystal barcode to be scanned; A lens and an optical filter 35 for collecting light reflected from the liquid crystal barcode; A CCD sensor 40 for converting the intensity of the light collected by the lens and the optical filter 35 into an electrical signal; A signal detector 45 which amplifies the analog signal of the CCD sensor 40 and converts the analog signal into a digital signal and provides the converted signal to the microprocessor 20; Under the control of the microprocessor 20 includes an I / O driver 50 for displaying data on the liquid crystal display 25 attached to the scanner or for driving with another device, and supports various interfaces and recognizes damaged barcodes. It has a function to display micro-type information of barcodes and barcodes, and a signal reader that recognizes integrated circuit chips (ICC) .It has a micropayment application function using various functions such as transportation, credit, debit, and electronic money. It has the ability to recognize the card and scans the barcode displayed on the mobile phone or PDA terminal, or transmits the payment means and IrDA signal by using the integrated circuit chip (ICC). Easily scan and recognize signals with integrated circuit chip (ICC) or IrDA circuitry embedded in credit cards or mobile phones It is characterized in that it has a function.

The memory unit 15 is a ROM and RAM storage device for storing the firmware used in the present invention, and there is a problem in that an accurate barcode representation (ratio of thickness) is limited due to the resolution of the initial display (1 dot size) of the LCD. To solve this problem, we have programmed a function to compensate for the calculation of the bar width of the barcode using the firmware.

In addition, as one of the features of the firmware of the present invention, when reading the bar code represented by two columns due to the limitation of the LCD side of the portable terminal, there is an advantage that can be stored in the computer after reading both the first column and the second column.

In addition, the firmware has the maintenance function and the test function of the present invention, so that the user can not only easily maintain it, but also make it easier to perform the function test when the developer tests the function when adding a new function.

The microprocessor 20 has a function of monitoring a switch signal selected when the user wants to scan, and has a function of notifying the user by displaying the current scanner state on the screen display unit 65.

In addition, it generates a signal for controlling the LED light source 30 and is responsible for the function of generating a pulse for the CCD control.

The decoder decodes the digital signal input from the signal detector 45 to decode the barcode and transmits the barcode to the computer or the host device.

When the user selects the trigger switch 10 to scan a bar code, the LED light source 30 detects the microprocessor 20, and controls the LED light source 30 to generate red wavelength light (660 nm). It generates and irradiates light to a barcode.

The lens and the optical filter 35 collect noise reflected from a barcode displayed on a mobile phone as well as a barcode printed on a paper. Perform the optical filter function to remove.

In this regard, the scanner is classified into two types, a contact range in which a window rubber contacts a subject and a non-contact range according to a method of inputting reflected light.

In the present invention, since the actual subject is transparent under the LCD protective film in order to read the barcode displayed on the LCD of the mobile phone or PDA terminal, the contactless type is adopted, but the contact type is also possible.

In addition, the reflection of the light source by the LCD protective film, the LCD back light, the reflectance of the LCD liquid crystal surface, and the minimum display resolution (size of 1 dot) of the LCD are limited in accurate bar code representation (ratio of thickness). It could be known.

To solve this problem, a non-contact type was adopted to overcome the distance between the scanner and the subject (to secure a margin of DOP Deep of field), and the condensing ability of the lens was improved (two types of light source side and CCD sensor side).

In the CCD sensor 40, the gray bar of the bar code reflects a lot of light and thus generates a current having a high voltage, and the black bar absorbs the emitted light and thus generates little voltage. It is responsible for converting the intensity of the light input from 35 to the intensity of the voltage.

In order to operate the CCD sensor 40, a two-phase clock and four control signals Pluse are required. In the present invention, these generated signals are controlled by using the microprocessor 20.

In the present design, the CCD sensor 40 may have a number of elements (photo diode) arranged on the X-axis, and may not only have uniform characteristics, but also have an advantage of allowing a barcode to be input in a non-contact manner with the subject.

The signal detector performs a function of converting an isoelectric signal input from the CCD sensor 40 into a digital signal using an analog amplifier and an electrical filter.

The amplifier is implemented using an operational amplifier, and the filter removes the electrical noise generated when converting the light intensity into an electrical signal using a filter, and then divides the electrical signal into two levels (15V and 0V). If the reference value is higher than this, it digitizes to + 5V and if it is below a certain voltage, it digitizes to 0V so that the microprocessor 20 can monitor these signals.

The I / O driver 50 has a function of transmitting the decrypted bar code contents to the computer or a higher-level connection device by the microprocessor 20. The main interfaces include KBD (Keyboard), RS-233C, USB, and Ocia. There is this.

The microprocessor 20 of the barcode scanner is a wired or wireless bidirectional liquid crystal display 25 having a scanning function and a function capable of detecting and transmitting a signal having an integrated circuit chip 70 and an IrDA circuit. Signal recognition circuit chip 70 for chip recognition and infrared signal recognition reader 75 using IrDA circuit technology, and complete sound output device 55 for outputting a specific sound to indicate completion of barcode scanning and barcode scanning Completion light output device 60 for outputting a specific light for indicating completion.

In addition, the wired / wireless bi-directional liquid crystal display bar code scanner includes a screen display unit 65 for displaying the scan state on the attached liquid crystal display window, and the microprocessor 20 receives the information corresponding to the scan state according to the scan operation control. The screen display unit 65 is configured to control display.

2 is a diagram illustrating a digital signal corresponding to barcode information and barcode information displayed on a mobile phone, a PDA, or a monitor. Referring to FIG. 2, a barcode is repeatedly formed of gray bars (white bars) and black bars. The bar code content is expressed as the ratio of the thickness of the black bar.

In the external front side of the wired / wireless bidirectional liquid crystal display bar code scanner of the present invention, the trigger switch 10 is installed in the microprocessor 20 inside the scanning start.

Operation according to the present invention configured as described above will be described in detail below based on the accompanying drawings.

First, a description will be given of the wired / wireless barcode scanner of the present invention with reference to FIGS. 1 to 2. When the trigger switch 10 installed outside the present invention is selected, the microprocessor 20 of the scanner may use this trigger switch ( Recognizing the selection of 10) and commands the operation of each part, including the LED light source (30).

The LED light source 30 operates according to the microprocessor 20 to generate a light sound having a red wavelength (660 nm) to irradiate a barcode.

At this time, the light irradiated to the barcode is reflected at an intensity corresponding to the information included in the barcode, the reflected light is collected by the lens and the optical filter 35 is transmitted to the CCD sensor 40.

The CCD sensor 40 converts the received insignificant optical signal into an electrical analog signal and provides it to the signal detection unit. The signal detection unit amplifies the received analog signal to a predetermined level and then decodes the signal from the microprocessor 20. A digital signal is converted into a digital signal and provided to the microprocessor 20.

The microprocessor decodes the input digital signal, and the data decoded by the I / O driver 50 is transmitted to another device in order to transmit the decoded data to another transmission device.

That is, the decoded bar code data is transmitted to a computer or an upper connecting device through a line connected to the rear of the scanner. In order to secure the mobility of the scanner, the present invention incorporates the integrated circuit chip 70 and the IrDA circuit function in the scanner system. Consider the method of transmitting barcode data by wired or wireless to a computer or a higher level connection device by attaching detachably to a wired cable.

The bar code scanner system using the integrated circuit chip 70 and the IrDA circuit function can eliminate the distance constraint with the main body computer, and thus has the advantage of transmitting the bar code displayed on the liquid crystal display 25 of the mobile phone far away.

On the other hand, the microprocessor 20, when the decoding of the barcode is completed without error, if the microprocessor controls the output of the complete sound when the barcode scan is completed, a specific sound for informing the completion of the scan in the complete sound output device 55, For example, a sound such as a "beep" sound is output.

In addition, when the decoding of the bar code is completed without error, the microprocessor 20 controls the completion light output when the bar code scan is completed, and informs the completion of the scan from the complete light output device 60 of the light emitting diode installed in the upper part of the scanner. Specific light, for example, light such as "green light" or "red light" is output.

Therefore, the wired / wireless bidirectional liquid crystal display bar code scanner according to the present invention is turned on and off for a while with a "beep" sound when the scan is completed, and the data is displayed on the liquid crystal display, so that the user can easily recognize the completion of the scan operation. It becomes possible.

As described above, the effects of the present invention can be summarized as follows.

1. By decoding the barcode displayed on the mobile phone or PDA terminal as well as the printed barcode, it is possible to reduce the error of repeated use.

2. As barcodes displayed on mobile phones or PDA terminals can be scanned, it is possible to write barcodes through wired and wireless Internet, and accordingly, various fields such as micro payment system, customer management, coupon service, movie reservation through wired and wireless internet. It can be applied to marketing system of.

3. By identifying ICC and IrDA signal, it is possible to decode barcode displayed on mobile phone or PDA terminal, so there is no inconvenience in carrying various transportation, credit, debit, electronic money, etc. Becomes convenient.

4. By making payment method and IrDA signal by using the integrated circuit needle, it is possible to easily scan the barcode displayed on the mobile phone or PDA terminal and the integrated circuit chip (ICC) or IrDA circuit built into the credit card or mobile phone The built-in signal can be recognized to recognize customer identification accurately and easily in various ways, and it is expected to be able to easily check whether the member is far from the main body computer.

5. As barcodes on mobile phones, PDAs, and monitors can be decoded, they can be used in various fields such as micropayment systems, customer management, coupon services, and movie reservations through the Internet.

Although described above with reference to a preferred embodiment of the present invention, those skilled in the art can variously modify and change the present invention without departing from the spirit and scope of the present invention described in the claims below. You will understand.

Claims (3)

A trigger switch 10 for selecting to start a barcode scanning operation; A memory unit 15 comprising ROM (Read Only Memory) and RAM (Random Access Memory) storing control firmware for each unit; Operation control of each part is performed according to the firmware of the memory unit 15, and the selection of the trigger switch 15 is recognized to control the irradiation of light and the signal detection corresponding to the barcode, and to decode the input barcode information. A microprocessor 20 for displaying the decrypted data on the liquid crystal display 25 attached to the scanner or controlling transmission to another device; An LED light source 30 for irradiating a red wavelength (660 nm) light to the liquid crystal barcode to be scanned under the control of the microprocessor 20; A signal sensing integrated circuit chip 70 for recognizing the integrated circuit chip; An infrared signal sensing reader 75 using the IrDA circuit; A lens and an optical filter 35 for collecting light reflected from the liquid crystal barcode; A CCD sensor 40 for converting the intensity of the light collected by the lens and the optical filter 35 into an electrical signal; A signal detector 45 which amplifies the analog signal of the CCD sensor 40 and converts the analog signal into a digital signal and provides the converted signal to the microprocessor 20; In accordance with the control of the microprocessor 20 includes an I / O driver 50 for displaying data on the liquid crystal display 25 attached to the scanner or for driving with another device, and various interfaces (RS-232C, PS / 2). , USB, Ocia), wired / wireless liquid crystal barcode scanner with recognition of damaged barcode and display of barcode type information The wire / wireless liquid crystal barcode including the barcode scanning function, the integrated circuit chip, and the IrDA circuit, the microprocessor 20 includes: a signal recognition circuit chip 70 for recognizing the integrated circuit chip; An infrared signal sensing reader 75 using an IrDA circuit; Wired and wireless two-way liquid crystal display bar code scanner, characterized in that the complete sound output device 55 and the complete light output device 60 for outputting a specific sound and a specific light to inform the completion of the barcode scan. The wired / wireless liquid crystal bar code including the barcode scanning function, the integrated circuit chip, and the IrDA circuit includes a screen display unit 65 for displaying or displaying the scanning state of the barcode scanner on the attached liquid crystal display window 25. The microprocessor 20 further includes a bar code scanner, which controls to display information corresponding to a scan state according to a scan operation control on a liquid crystal display window 25 attached to the scanner.