KR101191132B1 - Radio Frequency IDentification tag writer and control method thereof - Google Patents

Abstract

The present invention relates to an RFID tag recording apparatus and a control method thereof.
According to the RFID tag recording apparatus and the control method thereof according to an embodiment of the present invention, since a product which fails to record the information of the RFID tag can be filtered immediately after the information recording, the defective rate of the product can be lowered.

Description

RDF tag recording apparatus and control method thereof {Radio Frequency IDentification tag writer and control method}

The present invention relates to an RFID tag recording apparatus and a control method thereof.

RFID (Radio Frequency Identification) technology is one of the most popular communication interfaces in the ubiquitous society, and is applied in various fields such as manufacturing, logistics / distribution, entertainment, and rental / rental.

Generally, the RFID technology incorporates the use of electromagnetic or electrostatic coupling within the radio frequency of the electromagnetic spectrum portion to identify an object, which can identify or insert information without having to make direct contact with the object. Radio frequency identification technology.

The system to which the RFID technology is applied includes an RFID tag that stores information of a product, and an RFID reader that receives and reads information of the RFID tag.

The RFID tag is attached to a container or package of a product and contains the information of the product. The RFID reader is located in a communication range with the RFID tag and reads the information of the product recorded in the RFID tag.

Such an RFID system replaces a conventional barcode system.

In detail, barcodes and barcode readers are vulnerable to obstacles. In addition, the barcode has a relatively short recognition distance of about 20 cm or less, and the products are sequentially read in a one-to-one manner using a near-contact reading method, which is not suitable for mass logistics / distribution and is inefficient. . In addition, there is a problem that it is vulnerable to the security of the product because it can be duplicated (forgery).

On the other hand, RFID tags have a recognition distance of about 500cm or less, which is longer than barcodes, relatively free of obstacles, and can read 300 ~ 500 products at the same time, and can apply encryption technology to prevent duplication. You can also strengthen it.

In other words, RFID systems have many advantages over barcode systems in terms of technology utilization such as large inventory, security, copy protection, distribution path tracking, and functional aspects such as recognition distance, obstacle limitation, and read / write speed. Recently, it is replacing barcode system in mass logistics / distribution field.

On the other hand, the RFID tag recording device is a device for recording the product information on the RFID tag. Conventionally, a recording apparatus for recording information on the RFID tag in a state in which the product is stopped has been used, but information is recorded on the RFID tag attached to the product moving on a conveying device such as a conveyor due to productivity improvement or necessity of the product. The device which has been proposed is used.

However, the above conventional technology has the following problems.

When the information is recorded on the RFID tag during the production process, the information recording success rate is relatively low compared to recording the information in the stationary state because the product is moving.

Therefore, there is a need for a process of confirming whether information recording is properly recorded on the RFID tag in the future. That is, the problem that the productivity of the product decreases due to the increase in the number of processes

.

The present invention has been proposed to solve the above problems, and an object of the present invention is to provide an RFID tag recording apparatus and a control method thereof, which can lower a defective rate of a product having an RFID tag.

Another object of the present invention is to provide an RFID tag recording apparatus and a control method thereof, which can improve productivity of the product.

RFID tag recording apparatus according to an embodiment of the present invention for achieving the above object, a transfer unit for transferring a product containing an RFID tag; A recording unit for recording product information on the RFID tag during the transfer of the product; A reading unit which reads the information recorded in the RFID tag during the transfer of the product; A control unit which compares the information read by the reading unit with the product information and determines whether the recording is successful; And an ejector for selectively disengaging the product from the transfer unit according to whether the recording is successful.

In addition, one side of the transfer unit is provided with a shielding shell for blocking the radio waves, the recording unit is characterized in that provided inside the shielding shell.

The reader may further include an antenna configured to recognize information recorded in the RFID tag; And a reader for reading information recognized by the antenna, wherein the antenna is provided inside the shielding shell.

In addition, the shielding shell is characterized in that the product is formed so as to pass during transportation.

In addition, the ejector is characterized in that it is disposed behind the outlet of the shielding shell.

In addition, one side of the transfer unit is characterized in that the collection box is accommodated is accommodated the product separated from the transfer unit by the ejector.

In addition, the transfer unit is characterized in that it comprises a belt conveyor.

In another aspect, an RFID tag recording apparatus according to an embodiment of the present invention, a conveyor for conveying a product containing an RFID tag in one direction; A shielding shell including an inlet and an outlet through which the product passes during the transfer of the product; A door selectively opening the entrance; A writer for recording product information on the RFID tag while the product passes through the shielding shell; An antenna provided between the outlet and the lighter and recognizing information recorded in the RFID tag; A reader for reading the information recognized by the antenna; An ejector for selectively detaching the product from the conveyor according to whether the information of the lighter is successfully recorded; And a sensor provided between the door and the lighter and detecting the product, wherein the lighter starts recording the information when the product is detected by the sensor.

The apparatus may further include an entrance sensor provided in front of the entrance and detecting the product, and the door may open the entrance according to the detection result of the entrance sensor.

In addition, the door is characterized in that for closing the entrance after detecting the product in the sensor.

In addition, a separate sensor for sensing the product is further provided between the lighter and the antenna, and when the product is detected by the separate sensor, the lighter stops recording the information.

In addition, a separate sensor for detecting the product is further provided between the antenna and the ejector. When the product is detected by the separate sensor, the controller compares the product information with the information read by the reader, and provides the information. It is characterized by determining the success or failure of the recording.

In addition, the ejector is characterized in that it is provided behind the outlet of the shielding shell.

In addition, the shielding shell is characterized in that formed of a metallic material.

The apparatus may further include a display unit configured to display whether the information is recorded successfully.

In another aspect, a control method of an RFID tag recording apparatus according to an embodiment of the present invention includes: recording product information on an RFID tag included in a product being transported by a conveyor; Reading the information recorded on the RFID tag during the transfer of the product; Determining whether the product information matches the read information; And separating the product from the conveyor in a direction different from the conveying direction of the product according to the determination result.

The recording of the information and the reading of the information may be performed while the product passes through the electromagnetic shielding shell.

In addition, the product further comprises the step of sensing the product before passing through the inlet of the shielding shell, characterized in that the inlet is selectively opened according to the detection result.

In addition, the product is characterized in that it further comprises the step of closing the inlet after passing through the inlet.

The recording of the information may be performed after a predetermined time has elapsed after the product is detected by the sensor.

The recording of the information may be terminated when a product is detected by a sensor provided between the lighter and the reader.

The recording of the information and the reading of the information may be performed continuously.

According to the RFID tag recording apparatus and the control method thereof according to the embodiment of the present invention as described above, since the product failed to record the information of the RFID tag can be filtered immediately after the information recording, there is an advantage that the defective rate of the product can be lowered.

In addition, since the recording of the information on the RFID tag and the inspection of the recorded information are continuously performed, there is an effect that the productivity of the product can be improved by shortening the process.

In addition, since the RFID tag information recording and the inspection of the recorded information can be reliably performed, there is an advantage that the success rate of the RFID tag information recording can be improved.

1 is a perspective view showing the appearance of an RFID tag recording apparatus according to an embodiment of the present invention.
FIG. 2 is a perspective view showing the tunnel portion and its periphery of FIG. 1. FIG.
3a to 3g show the process of the product passing through the recording unit and the reading unit.
4 is a flowchart illustrating a control method of the RFID tag recording apparatus of FIG. 1.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

1 is a perspective view showing the appearance of a radio frequency identification (RFID) tag recording apparatus according to an embodiment of the present invention, Figure 2 is a perspective view showing the tunnel portion and its periphery of FIG.

1 and 2, the RFID tag recording apparatus 10 according to an embodiment of the present invention includes a transfer unit 120 for transferring a product 20 including a frame 110 and an RFID tag 21 in one direction. ), A cabinet 150 formed at one side of the frame 110, a tunnel part 200 provided at one side of the transfer part 120 and formed to pass the product 20, and the RFID tag 21. Ejector 160 for selectively leaving the product 20 from the transfer unit 120 according to whether the information recording is successful, a collection box 170 for collecting the product separated by the ejector 160, and the RFID The display unit 130 may display an operation state of the tag recording apparatus 10.

The RFID tag 21 included in the product 20 may be provided inside / outside the object and / or the package of the object. In other words, the product 20 may be any object that includes the RFID tag 21 at any location. In this embodiment, the RFID tag 21 will be described as an example attached to the outside of the product 20.

The frame 110 forms a skeleton of the RFID tag recording apparatus 10 and supports the respective components.

The transfer unit 120 may be provided on the upper side of the frame 110, and transfers the product 20 in one direction. The conveyer 120 may be provided with various kinds of conveyors, and in particular, a belt conveyor may be provided. When a belt conveyor is provided to the transfer unit 120, since vibration during transportation of the product 20 may be minimized, information recording and reading to the RFID tag 21 may be stably performed.

In the present embodiment, a belt conveyor is provided as an example of the transfer unit 120, but the spirit of the present invention is not limited thereto, and various transfer means such as a roller conveyor and a bellows conveyor may be used.

The conveying part 120 continuously rotates the belt in one direction to move the product 20 mounted on the belt from one side (left side in FIG. 1) of the tunnel portion 200 to the other side (right side in FIG. 1). Can be transferred.

The cabinet 150 may be installed in a space provided below the transfer unit 120, and may accommodate a controller (not shown) and a reader (not shown) to be described later.

The tunnel part 200 may be formed to extend in the conveying direction of the product 20, and may be provided in a form covering an upper space of the conveying part 120 to which the product 20 is conveyed.

While the product 20 passes through the tunnel unit 200, a writer 410 and an antenna 420, which will be described later, record information in the RFID tag 21 included in the product 20. Check it. Detailed information related to this will be described later.

The product passing through the tunnel unit 200 is continuously transported by the transfer unit 120 or discharged to the collection box 170 by the ejector 160 according to whether information recording to the RFID tag 21 is successful. Can be.

The ejector 160 and the collection box 170 are provided on the other side of the tunnel part 200 and disposed to face each other so that the products separated by the ejector 160 can accurately enter the collection box 170. Can be.

The display unit 130 may display a process of passing the product 20 through the tunnel unit 200, a process of recording and inspecting information on the RFID tag 21, a successful information recording process, and the like. In addition, the overall operation of the RFID tag recording apparatus 10 may be displayed for the user to check.

Hereinafter, with reference to the drawings, it will be described in detail with respect to the tunnel component 200 and the main components around the tunnel portion 200.

Referring to FIG. 2, the product 20 is transferred from one side (left side in FIG. 2) of the transfer unit 120 to the other side (right side in FIG. 2) of the transfer unit 120, and the tunnel unit (during transfer). Pass through 200).

The tunnel portion 200, the shielding shell 210 to block radio waves, the door 220 selectively shielding the entrance of the shielding shell 210, the door driving device 230 for driving the door 220 It may include a writer 410 for recording information on the RFID tag 21, and an antenna 420 for recognizing the information recorded in the RFID tag 21.

The shielding shell 210 prevents interference due to external radio waves during the operation of the lighter 410 and the antenna 420, and serves to block radio waves generated inside the shielding shell 210, and aluminum It may be formed of a metal material such as.

The shielding shell 210 may be formed long in the conveying direction of the product 20 and may have a substantially box shape. In addition, the shielding shell 210 may be seated and fixed around the belt of the transfer part 120. In addition, the shielding shell 210 includes openings at both sides thereof to allow the product 20 to pass therethrough. In this case, an opening through which the product 20 is introduced into the shielding shell 210 may be referred to as an inlet, and an opening through which the product 20 is drawn out of the shielding shell 210 may be referred to as an outlet.

The inlet of the shielding shell 210 is selectively shielded by the door 220. In detail, the door 220 is movably mounted to the shielding shell 210 and selectively opens the inlet of the shielding shell 210 according to a signal of the controller (not shown). For example, a solenoid driving device 230 is provided on one side of the door 220, and the driving device 230 moves the door 220 in the vertical direction to open and close the inlet of the shielding shell 210. can do.

Alternatively, the door 220 may be provided to be rotated by the movement of the product 20. For example, a predetermined elastic member causes the door 220 to be opened by the door 220 being pushed by the product 20 by pushing the door 220 and returning to the closed state when the product 20 passes. It may be provided on one side of). In this case, it is preferable that the elastic force of the elastic member is smaller than the friction force between the product 20 and the transfer part 120.

In addition, the door 220 may be formed of a metal material to block radio waves similarly to the shielding shell 210.

In the present embodiment, the door 220 is described as being provided only at the inlet of the shielding shell 210, but a door for selectively opening the outlet may be further provided at the outlet of the shielding shell 210.

Meanwhile, in the present specification, the inlet side direction of the shielding shell 210 is defined as the front, and the outlet side direction of the shielding shell 210 is defined as the rear.

The lighter 410 and the antenna 420 may be provided inside the shielding shell 210, for example, may be provided on the ceiling surface of the shielding shell 210.

The lighter 410 is a means for wirelessly recording information on the RFID tag 21. The information related to the product 20 may be recorded on the RFID tag 21 by designating a tag address and a storage address. . Therefore, the lighter 410 may be called a recording unit.

The antenna 420 serves to recognize the RFID tag 21 and transmits the recognized data to a reader (not shown). The antenna 420 may be attached to an inner side surface of the shielding shell 210, and may be provided inside the transfer unit 120, for example, at a lower end of the conveyor belt. In addition, a plurality may be provided.

The reader (not shown) may be connected to the antenna 420 by wire or wirelessly, read the information of the RFID 21 recognized by the antenna 420, and has a general reader configuration. The reader (not shown) may be provided inside the shielding shell 210 or inside the cabinet 150, and an installation position thereof is not limited.

The antenna 420 and the reader (not shown) may be called a reading unit as a component that reads the information recorded in the RFID tag 21 after recognizing the RFID tag 21.

The lighter 410 may be disposed to be spaced apart from the antenna 420 by a predetermined distance, and disposed in front of the antenna 420. Thus, the product 20 passes through the region of the lighter 410 and then passes through the region of the antenna 420. In other words, after the information is recorded on the RFID tag 21, the recorded information is inspected.

The ejector 160 is provided at the rear of the shielding shell 210 and separates the product 20 from the transfer part 120 in a direction different from the transfer direction of the product 20. For example, the ejector 160 may include a pusher 162 for pushing the product 20 and a pusher driving device 161 for driving the pusher 162. The pusher driving device 161 may be a piston-cylinder device for linearly moving the pusher 162 to be orthogonal to the conveying direction of the product 20.

The ejector 160 may be operated by pushing the product 20 to the collection box 170, and hit the product 20 so that the product 20 bounces off the collection box 170. It may work.

The configuration of the ejector 160 as described above is merely an example, and various types of ejector 160 may be used within the scope of the spirit of the present invention. For example, a pneumatic ejector that pushes the product 20 with strong air pressure, and an arm ejector that rotates the bar and strikes the product 20 may be used. Alternatively, a tilting ejector may be used in which the product having failed to record information is collected by tilting the plate, which is provided in the form of a plate connecting the storage box of the product 20 separately from the transfer unit 120.

The collection box 170 may be provided at a position facing the ejector 160 so that the product 20 pushed down by the pusher 162 may fall. The collection box 170 may be detachably mounted to the transfer unit 120 to conveniently collect the products selected by the ejector 160.

Meanwhile, a first sensor 310 may be provided at the front of the inlet of the shielding shell 210 to inspect whether the product 20 enters the transfer part 120. The first sensor 310 may be operated in a light sensitive manner, and may include a light emitter 311 and a light receiver 312.

In detail, the light emitter 311 and the light receiver 312 are disposed to face each other, and the light emitted from the light emitter 311 reaches the light receiver 312. When the light does not reach the light receiving unit 312, it may be determined that the product 20 passes between the light emitting unit 311 and the light receiving unit 312, so that the product 20 may be detected. have.

However, the first sensor 310 as described above is just an example, and various sensing devices such as an infrared sensor and a photo sensor may be used.

The first sensor 310, the door 220 to the inlet of the shielding shell 210 while the product 20 moves from the first sensor 310 to the inlet of the shielding shell 210. In order to be open, it is preferable to be spaced a predetermined distance from the inlet of the shielding shell 210.

The first sensor 310 determines whether the product 20 has entered the transfer part 120, and may be referred to as an entry sensor.

In addition, a second sensor 320 for detecting the product 20 may be disposed between the inlet of the shielding shell 310 and the lighter 410. Like the first sensor 310, the second sensor 320 may include a light emitting unit 321 and a light receiving unit 322, and the light emitting unit 321 and the light receiving unit 322 may include the shielding shell ( It may be disposed to face each other on the inner wall of the 310. The driving of the door 220 and the lighter 410 may be controlled according to the detection result of the second sensor 320.

In addition, a third sensor 330 for sensing the product 20 may be disposed between the lighter 410 and the antenna 420. Like the first sensor 310, the third sensor 330 may include a light emitting part 331 and a light receiving part 332, and the light emitting part 331 and the light receiving part 332 are the shielding shells ( It may be disposed to face each other on the inner wall of the 310. The driving of the lighter 410 and the antenna 420 may be controlled according to the detection result of the third sensor 330.

In addition, a fourth sensor 340 for detecting the product 20 may be disposed between the lighter 410 and the ejector 160. Like the first sensor 310, the fourth sensor 340 may include a light emitting unit 341 and a light receiving unit 342, and the light emitting unit 341 and the light receiving unit 342 may include the shielding shell ( It may be disposed to face each other on the inner wall of the 310. The driving of the antenna 420 may be controlled according to the detection result of the fourth sensor 340, and the controller (not shown) may determine whether the RFID tag 21 information recording has been successfully performed.

Hereinafter, a process of recording information on the RFID tag 21 will be described in detail with reference to the accompanying drawings.

3A to 3G are diagrams illustrating a process of passing a product through a recording unit and a reading unit.

Referring to FIG. 3A, the product 20 is guided to a point in front of the first sensor 310 of the transfer unit 120 from a separate device (not shown). The transfer unit 120 transfers the product 20 in one direction (left to right in FIG. 3), and this transfer may be continuously performed without interruption during a series of processes to be described later.

When the product 20 advances a predetermined distance, the first sensor 310 may detect the product 20. When the first sensor 310 detects the product, the controller (not shown) may move the door 220 upward to open the entrance of the shielding shell 210.

In FIG. 3B, the product 20 is advanced to the position where the second sensor 320 is disposed. When the second sensor 320 detects the product 20, the controller (not shown) operates the lighter 410 to start recording information on the RFID tag 21. The information recorded in the RFID tag 21 may be information of the product 20 previously stored in a memory (not shown). Here, the information that the writer 410 intends to record on the RFID tag 21 may be referred to as first information or product information.

In addition, when the second sensor 320 detects the product 20, the controller (not shown) may move the door 220 downward to close the inlet of the shielding shell 220. Therefore, the lighter blocking effect can be enhanced, so that the lighter 410 and the antenna 420 can be more stably operated.

In addition, the recording of the lighter 410 may be continued while the product 20 moves to a position corresponding to the lighter 410 (FIG. 3C).

As shown in FIG. 3D, when the third sensor 330 detects the product 20, the controller (not shown) ends information recording of the lighter 410, and the antenna 420 and the Activate the reader (not shown). The reader (not shown) reads information from the RFID tag 21 recognized by the antenna 420. That is, the information recording to the RFID tag 21 and the confirmation of the recorded information are continuously performed.

The reader (not shown) may store the read information in the memory (not shown). The information read by the reader (not shown) is referred to as second information.

Operation of the antenna 420 may continue while the product 20 moves to a position corresponding to the antenna 420 (FIG. 3E).

As shown in FIG. 3F, when the fourth sensor 340 detects the product 20, the controller (not shown) terminates reading of information of the antenna 420 and the reader (not shown), It is determined whether the information recording of the lighter 410 is successful.

In detail, the controller (not shown) compares the first information with the second information to determine whether the write information of the lighter 410 is successful. For example, it can be determined that the information recording has succeeded only when the first information and the second information completely coincide, or it can be determined that the information recording has failed.

When the product 20 is moved to the position of the ejector 160 (FIG. 3G), the controller (not shown) operates the ejector 160 to operate the product 20 when the information recording fails. Discharge to the collection box 170.

Whether the product 20 has moved to the position of the ejector 160 may be determined as time elapsed after detecting the product 20 by the fourth sensor 340. In detail, the controller (not shown) may drive the ejector 160 after the time required for the product 20 to move to the position of the ejector 160 has elapsed. The distance between the sensor 340 and the ejector 160 may be obtained by dividing the distance of the product 20 by the feed rate.

Alternatively, a separate sensor may be mounted to detect whether the product 20 is close to the ejector 160, and the ejector 160 may be driven according to a detection result of the separate sensor.

On the other hand, even if the product 20 is continuously introduced into the transfer unit 120, the transfer speed of the transfer unit 120 so that only one product exists inside the shielding shell 210 to improve the information recording success rate Can be set.

4 is a flowchart illustrating a control method of the RFID tag recording apparatus of FIG. 1.

When the transfer unit 120 is driven (S111), the product 20 introduced into the transfer unit 120 is transferred.

When the first sensor 310 detects the product 20 (S112), the door 220 is the shielding shell 210 so that the product 20 can be drawn into the shielding shell 210. Open the entrance of (S113).

In addition, when the second sensor 320 detects the product 20 (S114), the door 220 closes the entrance of the shielding shell 210 (S115), and the lighter 410 is the Information is recorded on the RFID tag 21 included in the product 20 (S116).

When the third sensor 330 detects the product 20 (S117), the lighter 410 ends the recording of the information, and the antenna 420 and the reader (not shown) the RFID tag 21 In step S118, the recorded information is read.

When the product 20 is detected by the fourth sensor 340 (S119), the antenna 420 and the reader (not shown) finish reading information (S120).

In addition, the controller (not shown) compares the first information with the second information and determines whether the information has been recorded successfully (S121).

If it is determined by the controller (not shown) that the information recording has failed, the ejector 160 is driven to release the product 20 from the transfer unit 120.

According to the RFID tag recording apparatus 10 and the control method according to the embodiment of the present invention as described above, since the product failed to record the information to the RFID tag 21 can be filtered immediately after the information recording in one process, The defective rate of the products shipped can be lowered.

In addition, since the recording of the information on the RFID tag 21 and the inspection of the recorded information are continuously performed, the productivity of the product can be improved by shortening the process.

In addition, the recording of the information to the RFID tag 21 and the inspection of the recorded information is performed inside the shielding shell 210 that blocks the radio wave, and the radio wave blocking can be more reliably performed by the door 220. Improve the success rate of recording.

In addition, since the driving of the lighter 410 and the antenna 420 can be precisely controlled according to the detection result of the sensors 320, 330, 340, the information recording and inspection of the RFID tag 21 is further performed. It can be done accurately.

Meanwhile, in the present embodiment, the driving of the door 220, the lighter 410, the antenna 420, and the like is controlled by the detection result of the sensors 320, 330, and 340 as an example. Instead, the first sensor 310 may be controlled over time after recognizing the product 20.

In detail, when the transfer unit 120 transfers the product 20 at a constant speed, the time taken to move to a point corresponding to the position of the sensors 320, 330, and 340 is transferred to the product 20. Inversely proportional to speed, it may be precomputed and stored in the memory (not shown) according to the distance between each point. Accordingly, the controller (not shown) may drive the door 220, the lighter 410, the antenna 420, or the like based on the passage of time instead of the detection signals from the sensors 320, 330, and 340. Can be.

In this case, the manufacturing cost of the RFID tag recording apparatus 10 can be lowered than when the sensors 320, 330, and 340 are provided.

The scope of the present invention is not limited to the above-described embodiments, and the embodiments may be changed, added, or deleted within the scope of the spirit of the present invention.

110 frame 120 transfer unit
130: display 160: ejector
170: collection box 210: shielding shell
220: door 410: lighter
420: antenna 310, 320, 330, 340: sensor

Claims (22)

A transfer unit for transferring a product including an RFID tag;
A shielding shell provided at one side of the transfer unit to block radio waves;
A recording unit which records product information on the RFID tag during the transfer of the product and is provided inside the shielding shell;
A reading unit which reads the information recorded in the RFID tag during the transfer of the product;
A control unit which compares the information read by the reading unit with the product information and determines whether the recording is successful; And
And an ejector for selectively removing the product from the transfer unit according to whether the recording is successful. delete The method of claim 1,
The reading unit,
An antenna recognizing information recorded on the RFID tag; And
A reader for reading the information recognized by the antenna,
And the antenna is provided inside the shielding shell. The method of claim 1,
And the shielding shell is formed so that the product passes during transportation. The method of claim 4, wherein
And the ejector is arranged behind the exit of the shielding shell. The method of claim 1,
RFID tag recording apparatus, characterized in that the one side of the transfer unit is provided with a collection box for receiving the product separated from the transfer by the ejector. The method of claim 1,
And the transfer unit comprises a belt conveyor. A conveyor for transporting a product including an RFID tag in one direction;
A shielding shell including an inlet and an outlet through which the product passes during the transfer of the product;
A door selectively opening the entrance;
A writer for recording product information on the RFID tag while the product passes through the shielding shell;
An antenna provided between the outlet and the lighter and recognizing information recorded in the RFID tag;
A reader for reading the information recognized by the antenna;
An ejector for selectively detaching the product from the conveyor according to whether the information of the lighter is successfully recorded; And
A sensor provided between the door and the lighter and detecting the product,
And the lighter starts recording the information when the product is detected by the sensor. The method of claim 8,
It is further provided with an entrance sensor provided in front of the inlet for sensing the product,
And the door opens the inlet according to a detection result of the entry sensor. The method of claim 8,
And the door closes the entrance after detecting the product by the sensor. The method of claim 8,
Between the lighter and the antenna is further provided a separate sensor for detecting the product,
And when the product is detected by the separate sensor, the lighter stops recording the information. The method of claim 8,
A separate sensor for detecting the product is further provided between the antenna and the ejector,
And when the product is detected by the separate sensor, the controller compares the product information with the information read by the reader to determine whether the information has been successfully recorded. The method of claim 8,
And the ejector is provided behind an exit of the shielding shell. The method of claim 8,
The shielding shell is an RFID tag recording apparatus, characterized in that formed of a metallic material. The method of claim 8,
RFID tag recording apparatus further comprises a display unit for displaying whether the information recording success. Recording product information on an RFID tag included in a product being transported by the conveyor;
Reading the information recorded on the RFID tag during the transfer of the product;
Determining whether the product information matches the read information; And
Releasing the product from the conveyor in a direction different from the conveying direction of the product according to the determination result,
The recording of the information and the reading of the information are performed while the product is passing through the electromagnetic shielding shell.
RFID tag recording device control method. delete 17. The method of claim 16,
Sensing the product before the product passes through the inlet of the shielding shell,
And the entrance is selectively opened according to the detection result. The method of claim 18,
And the entrance is closed after the product has passed through the entrance. The method of claim 18,
And recording the information is performed after a predetermined time has elapsed after the product is detected. 17. The method of claim 16,
And recording the information is terminated when a product is detected by a sensor provided between the writer and the reader. 17. The method of claim 16,
And recording the information and reading the information are performed continuously.

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