KR100909622B1 - Fault notification radio recognition device and recording medium therefor - Google Patents

Abstract

The present invention relates to a failure notification radio recognition device, a failure notification radio recognition method and system, and a recording medium therefor. The failure notification radio recognition device according to the present invention includes at least one sensor and at least one corresponding to the sensor. An inspection unit for inspecting whether or not the above fault occurs, or a radio communication failure between the radio recognition device and a predetermined reader, or confirming that a power supply failure for the radio recognition device occurs; A diagnosis unit for checking and diagnosing the contents of the failure and generating predetermined failure diagnosis information when one or more failures occur, and when the failure diagnosis information does not include the wireless communication failure, the reader through a wireless communication function of the wireless recognition device. At least one sensing day sensed by the sensor An interrupt unit for interrupting a function of transmitting a signal and interrupting a sensor interface for sensing predetermined sensing data from the sensor when the fault diagnosis information includes the radio communication failure; A transmission unit for transmitting the troubleshooting information to the reader through the interrupted wireless communication function when the communication function is interrupted, and outputting the troubleshooting information to a predetermined terminal through the sensor interface when the sensor interface is interrupted. It includes an output unit.

Description

Fault notification wireless recognition device and recording medium for it {Devices for Wireless Recognition for Informing Trouble and Program Recording Medium}

1 is a diagram illustrating a functional configuration of an RFID device having a failure notification function according to an embodiment of the present invention.

2 is a diagram illustrating a functional configuration of an RFID terminal having a failure notification function of the RFID device 296 according to the embodiment of the present invention.

3 is a flowchart illustrating an operation of an RFID device 296 having a failure notification function according to an embodiment of the present invention.

4 is a diagram illustrating an operation process of an RFID terminal having a failure notification function according to an embodiment of the present invention.

<Description of main parts of drawing>

100: power supply unit 105: control unit

110: inspection unit 115: diagnostic unit

120: interrupt unit 125: transmission unit

130: output unit 135: wireless communication unit

140: receiver 145: transmitter

150: memory unit 155: sensor unit

160,165 sensor 170 terminal

175: interface unit 180: antenna unit

185: RFID reader 190: RFID terminal

The present invention uses a wireless recognition device having at least one sensor to check whether at least one failure corresponding to the sensor occurs in the wireless recognition device, or a wireless communication failure between the wireless recognition device and a predetermined reader. Or checking whether there is a power supply failure to the wireless recognition device, generating predetermined failure diagnosis information corresponding to the generated failure, and transmitting the same through a wireless communication function between the wireless recognition device and the reader. And a step of receiving and outputting the fault diagnosis information from the radio recognition apparatus through the reader in a predetermined terminal.

With the continuous development of information and communication technology, various sensors are provided in an RFID (Radio Frequency Identification) device (or tag) that can transmit and receive various data in a wireless manner using a constant frequency band, and then sense various sensing data sensed through the sensors. There has been proposed an RFID / USN (Ubiquitious Sensor Network) system for transmitting and receiving the data through the radio interface of the RFID.

In general, the RFID device (or tag) used in the RFID / USN is composed of active RFID having a certain size including at least one or more sensors, and various failures according to the sensor structure and lifespan, battery condition, and sensing environment. (Or disability) may occur, but it is difficult to test / diagnose / warn.

For example, when the life of the sensor of the RFID / USN, the various sensing data sensed by the sensor is not reliable, but the conventional RFID device (or tag) used in the RFID / USN includes a problem that is difficult to detect this When the battery of the RFID device (or tag) is exhausted, a problem may occur in wireless communication between the RFID device (or tag) and a predetermined RFID reader. Although it may be difficult to detect this, various sensing data obtained from the sensor may not be valid according to a sensor provided with the RFID device (or a tag) and a sensing environment, but an RFID device used in conventional RFID / USN (Or tags) contain a difficult problem to detect.

An object of the present invention for solving the above problems, by using a wireless recognition device having at least one or more sensors, to check whether at least one failure corresponding to the sensor occurs, or the wireless recognition device and a predetermined reader Check whether there is a failure in wireless communication between the wireless communication devices, or determine whether a power supply failure has occurred in the wireless recognition device, and generate predetermined failure diagnosis information corresponding to the generated failure to wirelessly communicate between the wireless recognition device and the reader. And a terminal for receiving and outputting the fault diagnosis information from the radio recognition device through the reader and the radio recognition device transmitting through the reader.

The failure notification wireless recognition device according to the present invention obtains at least one or more sensors and checks whether at least one or more failures corresponding to the sensors are generated, or checks whether a wireless communication failure between the wireless recognition device and a predetermined reader occurs. Or a checking unit for checking whether a power supply failure to the wireless recognition device occurs, and a diagnosis unit for generating predetermined diagnosis information by checking and diagnosing the contents of the failure when at least one failure occurs by the inspection unit. If the fault diagnosis information does not include the radio communication fault, interrupts a function of transmitting at least one sensing data sensed from the sensor to the reader through a radio communication function of the radio recognition device, and the fault diagnosis. If the information includes the wireless communication failure, An interrupter for interrupting a sensor interface for sensing predetermined sensing data; and a transmitter for transmitting the fault diagnosis information to the reader through the interrupted radio communication function when the radio communication function of the radio recognition apparatus is interrupted. When the sensor interface is interrupted, it characterized in that it comprises an output unit for outputting the failure diagnosis information to a predetermined terminal through the sensor interface.

According to the present invention, the terminal unit is characterized in that it comprises a failure notification radio recognition device characterized in that it comprises at least one or more communication ports for outputting the failure diagnosis information.

On the other hand, according to the present invention, the recording medium is characterized by recording a program for realizing a functional configuration.

On the other hand, the failure notification radio recognition system according to the present invention, by using a radio recognition device having at least one or more sensors, to check whether at least one failure corresponding to the sensor occurs, or the radio recognition device and a predetermined reader Check whether there is a failure in wireless communication between the wireless communication devices, or determine whether a power supply failure has occurred in the wireless recognition device, and generate predetermined failure diagnosis information corresponding to the generated failure to wirelessly communicate between the wireless recognition device and the reader. And a terminal for receiving and outputting the fault diagnosis information from the radio recognition device through the radio recognition device and the reader.

According to the present invention, the terminal checks whether a wireless communication failure occurs for at least one or more wireless recognition devices that receive at least one sensing data through the reader, and if the wireless communication failure occurs, the terminal corresponds to the wireless communication failure. And generating and outputting predetermined fault diagnosis information.

On the other hand, the failure notification radio recognition method according to the present invention, by using a radio recognition device having at least one or more sensors, whether the at least one failure corresponding to the sensor occurs in the radio recognition device, or the radio The wireless recognition device checks whether a wireless communication failure between the recognition device and the predetermined reader occurs, or checks whether a power supply failure for the wireless recognition device occurs, and generates predetermined failure diagnosis information corresponding to the generated failure. And transmitting through the wireless communication function between the reader and the reader, and receiving and outputting the failure diagnosis information from the wireless recognition device through the reader at a predetermined terminal.

On the other hand, the present invention includes a recording medium which records a program for executing the above-described method.

Hereinafter, with reference to the accompanying drawings and description will be described in detail the operating principle of the preferred embodiment of the present invention. However, the drawings and the following description shown below are for the preferred method among various methods for effectively explaining the features of the present invention, the present invention is not limited only to the drawings and description below. In addition, in the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted. Terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to intentions or customs of users or operators. Therefore, the definition should be made based on the contents throughout the present invention. As an example, the wireless recognition device will be described below as an " RFID device "

In addition, preferred embodiments of the present invention to be carried out below are provided in each system functional configuration to efficiently describe the technical components constituting the present invention, or system functions that are commonly provided in the technical field to which the present invention belongs. The configuration will be omitted, and described mainly on the functional configuration to be additionally provided for the present invention. If those skilled in the art to which the present invention pertains, it will be easy to understand the functions of the components that are conventionally used among the omitted functional configuration not shown below, and also the configuration omitted as described above The relationship between the elements and the components added for the present invention will also be clearly understood.

In addition, the following examples will be used to appropriately modify, integrate, or separate the terminology so that those skilled in the art to which the present invention pertains may clearly understand the present invention. The present invention is by no means limited thereto.

As a result, the technical spirit of the present invention is determined by the claims, and the following examples are one means for efficiently explaining the technical spirit of the present invention to those skilled in the art to which the present invention pertains. It is only.

1 is a diagram illustrating a functional configuration of an RFID device having a failure notification function according to an embodiment of the present invention.

In more detail, FIG. 1 illustrates sensing at least one sensing data through at least one RFID terminal 190 in a predetermined RFID device used for the RFID / USN (Radio Frequency Identification / Ubiquitious Sensor Network), and a predetermined RFID. While transmitting the sensing data via a wireless interface to a predetermined RFID reader 185 (or RFID terminal 190 with the RFID reader 185 (or associated with the RFID reader 185)), the The present invention relates to an RFID device function configuration having an inspection, diagnosis, and warning output function through at least one or more terminals provided in the RFID device. Those skilled in the art can refer to and / or modify this drawing to provide various implementation methods for the functional configuration of the RFID device with the failure notification function. It may be inferred, but the present invention includes all the inferred implementation methods, and the technical features are not limited to the implementation method shown in FIG.

Referring to FIG. 1, the RFID device includes a predetermined antenna designed to efficiently transmit and receive a radio frequency signal corresponding to a predetermined air interface standard, and further includes a radio frequency signal applied from the antenna. And an antenna unit 180 applied to components in the RFID device, and a power supply unit 100 for supplying predetermined power required for operation of the component in the RFID device. do.

In addition, the RFID device may include a receiver 140 for converting a radio frequency signal received through the antenna unit 180 into a predetermined digital signal, and a predetermined extract (and / or generated) corresponding to the received digital signal. It is characterized in that it comprises a wireless communication unit 135 including a transmission unit 145 for converting the response signal of the signal into a predetermined radio frequency signal that can be transmitted through the antenna unit 180.

In addition, the RFID device may include a control unit 105 that controls the overall functions and operations of the RFID device, and / or at least one or more information (or data) required for the control unit 105 to perform a predetermined control function. It characterized in that it comprises a memory unit 150 for storing, wherein the control function of the control unit 105, the protocol reading function corresponding to the digital signal received through the receiving unit 140, the read digital A function of generating and / or extracting a predetermined response signal corresponding to the signal, an anti-collision function for a plurality of different RFID devices, and the like.

The antenna unit 180 allows the RFID device to enter a radio frequency field of a specific RFID reader 185 and / or to effectively receive a radio frequency signal emitted from the RFID reader 185. In this case, the radio frequency signal transmitted from the RFID reader 185 is received and applied to the radio communication unit 135 provided in the RFID device, and / or a predetermined radio frequency signal generated by the radio communication unit 135. It characterized by transmitting through the antenna.

In addition, when the RFID device is a passive type, the antenna unit 180 supplies energy (eg, an analog signal of radio frequency) included in the radio frequency signal transmitted from the RFID reader 185 to the power supply unit 100. It is preferable that the power supply unit 100 generates and supplies a predetermined energy source (or power source) required for the RFID device to operate.

At this time, the power supply unit 100 generates a predetermined power corresponding to the energy field around the RFID reader 185 by using an analog signal of radio frequency applied through the antenna unit 180 to generate the RFID device. Characterized in that it is supplied to the internal portion, the power supply unit 100 generates the power is a magnetic coupling and (or electrostatic) using a magnetic field of the alternating current flowing through the coil of the RFID reader 185 And at least one of electrostatic coupling using energy and / or inductive coupling using inductive energy.

According to the exemplary embodiment of the present invention, when the RFID device is an active tag, the power supply unit 100 preferably includes a predetermined battery, and the present invention is not limited thereto.

The receiver 140 is a demodulator for converting a radio frequency signal transmitted from a predetermined RFID reader 185 and provided (or applied) through the antenna unit 180 into a predetermined digital signal. After demodulating the radio frequency signal received through the unit 180 to generate a predetermined digital signal, the generated digital signal is provided to the controller 105.

When a predetermined response signal is generated through the control unit 105 in response to the digital signal generated from the radio frequency signal received by the reception unit 140, the transmitter 145 transmits the response signal to the RFID reader 185. A modulator converting the signal into a predetermined radio frequency signal for transmission to the radio frequency signal, and the radio frequency signal generated in response to the response signal is transmitted through the antenna unit 180 and received by the RFID reader 185. It is characterized by.

That is, the digital signal converted from the radio frequency signal received by the receiving unit 140 included in the wireless communication unit 135 through the antenna unit 180 is preferably provided to the control unit 105 provided in the RFID device. Then, the controller 105 performs a predetermined signal processing (and / or data processing) function for the digital signal to generate a response signal corresponding to the received digital signal to the wireless communication unit 135 Provided to the included transmitter 145, the transmitter 145 preferably converts the digital signal including the response signal into a predetermined radio frequency signal that can be transmitted through the antenna unit 180.

When the RFID device performs a non-memory type transponder function according to an embodiment of the present invention, the controller 105 reads a protocol corresponding to the digital signal received through the receiver 140 to read the RFID reader. And a control logic including a function of reading a command requested from 185 and a function of generating a predetermined response signal in response to the read command. After being provided to the transmitter 145 and converted into a predetermined radio frequency signal, it is transmitted through the antenna unit 180 and transmitted to the RFID reader 185.

According to another exemplary embodiment of the present invention, when the RFID device performs a memory storage transponder function, the memory unit 150 may store predetermined response data corresponding to a digital signal received from a predetermined RFID reader 185. In this case, the control unit 105 reads a read command requested from the RFID reader 185 by reading a protocol corresponding to the digital signal received through the receiving unit 140. And a control logic including a memory read function for extracting the stored response data from the memory unit 150 in response to the read command, and a function for generating a predetermined response signal corresponding to the response data. Processor), the response signal is provided to the transmitter 145 to a predetermined radio frequency signal After the conversion, it is transmitted through the antenna unit 180 and transmitted to the RFID reader 185.

If the memory unit 150 included in the memory storage RFID device includes a write once read many (WORM) and / or a write many (WM) memory device, the memory unit 150 may include a digital signal received through the receiver 140. A function of reading a corresponding protocol to read a write command requested from the RFID reader 185 and predetermined data, and a memory for writing the read data to the memory unit 150 in response to the read write command. And a function of generating a response data corresponding to the memory write result, a function of generating a predetermined response signal corresponding to the response data, and the response signal is transmitted to the transmitter 145. After being provided and converted into a predetermined radio frequency signal, it is transmitted through the antenna unit 180 and transmitted to the RFID reader 185.

When the control unit 105 includes a predetermined control logic (or control circuit) as in the above-described method, the control unit 105 may conveniently include logic (or circuit) corresponding to a function configuration unit included in the RFID device for the failure notification function. A description will be made within 105.

According to another exemplary embodiment of the present invention, when the RFID device performs a wireless chip type transponder function, the memory unit 150 includes a memory provided in the wireless chip, and the controller 105 is hardware-based. It includes a processor for executing a predetermined program code recorded in the memory, characterized in that comprises a program code executed by the processor in software.

In this case, the controller 105 reads a digital signal received through the receiver 140 to read a predetermined command, performs at least one function corresponding to the command, and generates predetermined result data. A predetermined response signal corresponding to the result data is generated and provided to the transmitter 145. The response signal is provided to the transmitter 145 and converted into a predetermined radio frequency signal. It is transmitted through the unit 180 and transmitted to the RFID reader 185.

In general, an RFID device that performs the wireless chip type transponder function includes a large scale integrated circuit (LSI) or an MSI (Medium) for the wireless communication unit 135, the control unit 105 and the memory unit 150 corresponding to the wireless chip. It is preferable to provide in a chip of a scale integration (SSI) or a small scale integrated circuit (SSI) type.

When the controller 105 includes a processor (or a program code executed by the processor) that executes a predetermined program code as in the above-described method, the function configuration unit provided with the failure notification function in the RFID device is provided for convenience. It will be shown and described in the control unit 105.

According to the present invention, a predetermined RFID device used for the RFID / USN may include at least one or more environmental variables (eg, light, temperature, or pressure, gas, or magnetism) from a surrounding environment in which the RFID device is provided. Further comprising a sensor unit 155 having at least one sensor unit 160 and 165 for sensing predetermined data to obtain predetermined sensing data, and an interface unit 175 providing the sensing data to the control unit 105. The sensing data may be stored in the sensing data storage area of the memory unit 150 by the controller 105 or may be a predetermined RFID reader 185 through the transmitter 145. Or an RFID terminal 190 having the RFID reader 185 (or associated with the RFID reader 185).

The sensor unit 155 may include an optical sensor, a temperature sensor, a pressure sensor, a gas sensor, or a sensor including at least one of at least one magnetic sensor. The sensors 160 and 165 may be provided. It is characterized in that for obtaining an analog sensing signal corresponding to at least one environmental variable (eg, light, temperature, or pressure, gas, or magnetism) from the surrounding environment provided with the RFID device.

Those skilled in the art to which the present invention pertains can include various types of sensors 160 and 165 in addition to the types of sensors 160 and 165 described above, and technical characteristics of each sensor 160 and 165 obtaining a predetermined analog sensing signal. Since it will be understood, detailed description thereof will be omitted for convenience.

The sensor unit 155 may include an analog to digital converter (ADC) function for digitizing the analog sensing signals acquired by the sensors 160 and 165 to generate predetermined sensing data. The sensing data may be provided to the controller 105 through an interface unit 175.

Here, the ADC function is characterized by converting a continuous analog sensing signal to an integer (or implementation) within a predetermined range, whereby the sensing data preferably comprises a minimum value and the maximum value that can be theoretically expressed.

According to another exemplary embodiment of the present invention, the ADC function may be provided in the controller 105, and in this case, the sensor unit 155 may output an analog sensing signal sensed by the sensors 160 and 165. 105), and the present invention is not limited thereby.

The interface unit 175 includes at least one control line CTRL and a data line DATA for providing at least one sensing data sensed by the sensor unit 155 to the controller 105. Characterized by having a bus (BUS).

Alternatively, the interface unit 175 may include a serial cable for providing at least one sensing data sensed by the sensor unit 155 to the control unit 105, whereby the present invention is limited. Not.

According to the present invention, the RFID device is provided with a predetermined terminal unit 170 to provide the failure notification function.

The terminal unit 170 is characterized in that it comprises a communication port for outputting predetermined failure diagnosis information for the RFID device to a predetermined monitoring device, the communication port preferably comprises a serial communication port.

Referring to FIG. 1, in the RFID device having the failure notification function, the control unit 105 receives at least one or more sensing data from the sensor unit 155 through the interface unit 175 and the memory unit ( An RFID terminal stored in the sensing data storage area of 150 or provided with a predetermined RFID reader 185 (or the RFID reader 185 (or associated with the RFID reader 185)) through the transmitter 145. (190) and the inspection unit 110 that checks whether at least one or more predicted failures occur in the RFID device, and if at least one or more failures occur as a result of the inspection, check and diagnose the failure details The diagnostic unit 115 for generating predetermined failure diagnosis information, and when the failure diagnosis information does not include a failure corresponding to the transmitter 145 (or the receiver 140), the transmitter 145 is the antenna unit. 180 Interrupts transmission of predetermined sensing data to the RFID reader 185 through the interruption unit 120, and the interruption unit 120 includes a failure corresponding to the transmitter 145 (or the receiver 140). Is interrupted to receive the predetermined sensing data from the sensor unit 155, and when the interrupt unit 120 interrupts the sensing data transmission function of the transmitter 145, the diagnostic unit ( Transmitter 125 for transmitting the troubleshooting information generated by the 115 to the RFID reader 185 through the interrupted transmission unit 145, and the interrupt unit 120 of the interface unit 175 When the sensing data reception function is interrupted, an output unit 130 for outputting the fault diagnosis information generated by the diagnosis unit 115 to the terminal unit 170 through the interrupted interface unit 175 is provided.When the RFID device corresponds to a memory storage type (or a wireless chip type), the memory unit 150 may include at least one for the inspection unit 110 to check whether at least one failure occurs in the RFID device. It is desirable to store more than one fault condition information.

According to an exemplary embodiment of the present invention, when the data sensed through the sensor unit 155 is obtained with a zero value for a predetermined time, the fault condition information may include the sensor unit 155 (eg, a sensor ( 160, 165) is preferably included in the condition information to check that a predetermined failure has occurred.

Alternatively, the failure condition information may be sensed by the sensor unit 155 when the sensing data sensed by the sensor unit 155 is sensed to a value smaller than the minimum value or greater than the maximum value for a predetermined time. (E.g., the sensors 160, 165, or ADC) is preferably made to include the condition information to check that a predetermined failure has occurred.

Alternatively, the failure condition information stores valid period information of the sensors 160 and 165 provided in the sensor unit 155, and when the operation time of the sensors 160 and 165 exceeds the valid period, the sensor unit 155 It is preferable that the sensing data obtained by the step 1) includes condition information for checking that an unreliable failure has occurred.

Alternatively, the failure condition information may be provided for the sensing data to the RFID reader 185 within a predetermined time (for example, a maximum period of transmitting the sensing data to the RFID reader 185) through the receiving unit 140. In the case where a predetermined radio frequency signal is not received, it is preferable to include condition information for checking that a predetermined failure has occurred in the air interface between the RFID device and the RFID reader 185.

Alternatively, the failure condition information transmits predetermined sensing data to the RFID reader 185 through the transmitter 145 and then receives an acknowledgment (ACK) corresponding to the sensing data reception from the RFID reader 185. In the case where the response is not received under a condition in which a protocol is defined, it is preferable to include condition information for checking that a predetermined failure has occurred in the air interface between the RFID device and the RFID reader 185.

Alternatively, the failure condition information is provided when the power supply unit 100 includes a predetermined battery, and the power supplied from the battery falls below a predetermined standard (for example, the minimum power for operating the RFID device). Preferably, the power supply unit 100 includes condition information for checking that a predetermined failure has occurred.

Those skilled in the art to which the present invention pertains can infer various failure conditions that are expected to occur in the RFID device in addition to the above-described failure condition information, and can also infer the diagnosis unit corresponding to the inferred failure condition. The inspection function and the diagnosis function of 115 may be inferred together with the above, but the present invention includes all the inferred failure condition information and corresponding inspection function and diagnosis function, etc., in addition to the above-described failure condition information. It is apparent that the technical features of the present invention are not limited to the above-described failure conditions.

The controller 105 receives at least one or more sensing data from the sensor unit 155 through the interface unit 175 and stores the sensing data in the sensing data storage area of the memory unit 150 or the transmitter 145. While transmitting to a predetermined RFID reader 185 (or an RFID terminal 190 having the RFID reader 185 (or associated with the RFID reader 185)), the inspection unit 110 is configured to perform the RFID Periodically checking for at least one expected failure of the device.

According to an exemplary embodiment of the present invention, when the control unit 105 includes a predetermined control logic (or control circuit), the inspection unit 110 may perform data sensing via the sensor unit 155 for a predetermined time. And a logic (or a circuit) for checking whether a value is obtained as a zero value. When the data sensed through the sensor unit 155 is obtained as a zero value for a predetermined time, The inspection unit 110 is characterized in that a predetermined failure occurs in the sensor unit 155 (for example, sensors 160 and 165).

Alternatively, when the control unit 105 includes a predetermined control logic (or control circuit), the inspection unit 110 is a value that the sensing data sensed by the sensor unit 155 is smaller than the minimum value for a predetermined time. Or a logic (or a circuit) for checking whether the signal is sensed with a value greater than the maximum value or the maximum value, and sensing data sensed through the sensor part 155 through the sensor part 155. Is sensed to a value smaller than the minimum value for a predetermined time, or to a value larger than the maximum value, the inspection unit 110 is predetermined to the sensor unit 155 (for example, the sensors 160, 165, or ADC). It is characterized in that the processing of the failure occurred.

Alternatively, when the control unit 105 includes a predetermined control logic (or control circuit), the inspection unit 110 stores the valid period information of the sensors 160 and 165 provided in the sensor unit 155, And a logic (or a circuit) for checking whether an operation time of the sensors 160 and 165 exceeds the valid period. When the operating time of the sensors 160 and 165 exceeds the valid period, the inspection unit 110 is characterized in that the sensing data obtained by the sensor unit 155 is treated as an unreliable failure has occurred.

Alternatively, when the control unit 105 includes a predetermined control logic (or control circuit), the inspection unit 110 transmits the sensing data to the RFID reader 185 for a predetermined time through the receiving unit 140. And a logic (or a circuit) for confirming that a predetermined radio frequency signal for providing the sensing data to the RFID reader 185 is received within a maximum period of time of transmitting to the RFID reader). When a predetermined radio frequency signal for providing the sensing data to the RFID reader 185 is not received within a predetermined time (for example, a maximum period of transmitting the sensing data to the RFID reader 185), The inspection unit 110 is characterized in that a predetermined failure occurs in the air interface between the RFID device and the RFID reader 185.

Alternatively, when the control unit 105 includes a predetermined control logic (or control circuit), the inspection unit 110 transmits predetermined sensing data to the RFID reader 185 through the transmission unit 145. And a logic (or circuit) for checking whether the response is received under a condition in which a protocol is defined to receive an response (ACK) corresponding to the sensing data reception from the RFID reader 185. In a condition where a protocol is defined to transmit predetermined sensing data through the transmitter 145 to the RFID reader 185 and then receive an acknowledgment (ACK) corresponding to the sensing data reception from the RFID reader 185. If the response is not received, the inspection unit 110 is characterized in that the predetermined failure occurs in the air interface between the RFID device and the RFID reader 185.

Alternatively, when the control unit 105 includes a predetermined control logic (or control circuit), the inspection unit 110 includes the power supply unit 100 including a predetermined battery, and is supplied from the battery. And a logic (or a circuit) for checking whether the power supply falls below a predetermined standard (for example, a minimum power supply for operating the RFID device), and the power supply unit 100 includes a predetermined battery. And when the power supplied from the battery falls below a predetermined standard (for example, the minimum power for operating the RFID device), the power supply unit 100 is treated as having a predetermined failure. do.

According to another exemplary embodiment of the present invention, when the control unit 105 includes a predetermined processor and the predetermined memory condition information is provided in the memory unit 150, the inspection unit 110 includes the memory unit. And a function of checking whether data sensed through the sensor unit 155 is obtained as a zero value for a predetermined time based on the failure condition information provided at 150. When the data sensed through the unit 155 is obtained with a zero value for a predetermined time, the inspection unit 110 indicates that a predetermined failure has occurred in the sensor unit 155 (eg, the sensors 160 and 165). It is characterized by processing.

Alternatively, when the control unit 105 includes a predetermined processor and the predetermined failure condition information is provided in the memory unit 150, the inspection unit 110 is provided in the memory unit 150. And a function of checking whether the sensing data sensed by the sensor unit 155 is sensed by a value smaller than the minimum value or by a value larger than the maximum value for a predetermined time based on the failure condition information. When the sensing data sensed by the sensor unit 155 through the sensor unit 155 is sensed to a value smaller than the minimum value or a value larger than the maximum value for a predetermined time, the inspection unit 110, the sensor unit 155 (e.g., sensors 160, 165, or ADC) characterized in that a predetermined failure occurs.

Alternatively, when the control unit 105 includes a predetermined processor and the predetermined failure condition information is provided in the memory unit 150, the inspection unit 110 is provided in the memory unit 150. And storing the valid period information of the sensors 160 and 165 provided in the sensor unit 155 based on the fault condition information, and checking whether the operation time of the sensors 160 and 165 exceeds the valid period. When the operation time of the sensors 160 and 165 exceeds the validity period, the inspection unit 110 processes the sensing data acquired by the sensor unit 155 as an unreliable failure. It features.

Alternatively, when the control unit 105 includes a predetermined processor and the predetermined failure condition information is provided in the memory unit 150, the inspection unit 110 is provided in the memory unit 150. Predetermined to provide the sensing data to the RFID reader 185 within a predetermined time (for example, the maximum period of transmitting the sensing data to the RFID reader 185) through the receiver 140 based on the fault condition information. And a function of checking whether a radio frequency signal is received and the sensing within a predetermined time (for example, a maximum period of transmitting the sensing data to the RFID reader 185) through the receiving unit 140. When a predetermined radio frequency signal for providing data to the RFID reader 185 is not received, the inspection unit 110 may provide a wireless interface between the RFID device and the RFID reader 185. It is characterized by the fact that a predetermined failure has occurred in the switch.

Alternatively, when the control unit 105 includes a predetermined processor and the predetermined failure condition information is provided in the memory unit 150, the inspection unit 110 is provided in the memory unit 150. After transmitting predetermined sensing data to the RFID reader 185 through the transmitting unit 145 based on the failure condition information, to receive an acknowledgment (ACK) corresponding to receiving the sensing data from the RFID reader 185. And a function for checking whether the response is received under a defined protocol. After transmitting the predetermined sensing data to the RFID reader 185 through the transmitter 145, the RFID reader ( If the response is not received under the condition that the protocol is defined to receive the response (ACK) corresponding to the sensing data reception from the 185, the inspection unit 110 is the RFID device and the RFID reader (1) 85) A predetermined failure has occurred in the inter-radio interface.

Alternatively, when the control unit 105 includes a predetermined processor and the predetermined memory condition information is provided in the memory unit 150, the test unit 110 is provided in the memory unit 150. The power supply unit 100 includes a predetermined battery based on the fault condition information, and checks whether the power supplied from the battery falls below a predetermined standard (for example, the minimum power for operating the RFID device). The power supply unit 100 includes a predetermined battery, and the power supplied from the battery is equal to or less than a predetermined standard (for example, the minimum power for operating the RFID device). When descending to, characterized in that the predetermined failure occurs in the power supply unit 100 is treated.

If it is determined that at least one failure has occurred in the RFID device as a result of the inspection by the inspection unit 110, the diagnosis unit 115 may check and diagnose the occurrence of the failure and generate predetermined failure diagnosis information. .

According to an embodiment of the present invention, the control unit 105 includes predetermined control logic (or control circuit), and as a result of the inspection of the inspection unit 110, the data sensed by the sensor unit 155. Is obtained as a zero value for a predetermined time, and when the sensor unit 155 (eg, the sensors 160 and 165) is treated as having a predetermined failure, the diagnosis unit 115 may determine the test result (for example, By re-executing the sensor unit 155 (for example, a result of the failure of the sensors 160 and 165) under the same condition, the logic for diagnosing a failure occurring in the sensor unit 155 (for example, the sensors 160 and 165) ( Or a circuit).

Alternatively, the control unit 105 includes a predetermined control logic (or control circuit), and as a result of the inspection of the inspection unit 110, sensing data sensed by the sensor unit 155 is greater than a minimum value for a predetermined time. When the sensor unit 155 (eg, the sensors 160 and 165 or the ADC) is treated as having a predetermined failure due to being sensed with a smaller value or with a value larger than the maximum value, the diagnostic unit ( 115 re-executes the inspection result (e.g., a failure occurrence result of the sensor unit 155 (e.g., the sensors 160 and 165, or the ADC)) under the same condition, so that the sensor unit 155 (e.g., sensor ( 160, 165), or a logic (or a circuit) for diagnosing a failure occurring in the ADC.

Alternatively, the control unit 105 includes predetermined control logic (or control circuit), and as a result of the inspection of the inspection unit 110, valid period information of the sensors 160 and 165 provided in the sensor unit 155 may be obtained. And when the sensor unit 155 (eg, the sensor 160 or 165) has a predetermined failure due to the operation time of the sensors 160 or 165 exceeding the valid period, the diagnosis unit 115 Is generated in the sensor unit 155 (eg, the sensor 160, 165) by re-executing the inspection result (eg, a failure occurrence result of the sensor unit 155 (eg, the sensor 160, 165)) under the same condition. And logic (or circuit) for diagnosing the failure.

Alternatively, the control unit 105 includes a predetermined control logic (or control circuit), and as a result of the inspection of the inspection unit 110, a predetermined time (for example, the sensing data is transmitted to the RFID through the receiving unit 140). Since a predetermined radio frequency signal for providing the sensing data to the RFID reader 185 is not received within the maximum period transmitted to the reader 185, the receiver 140 processes as a predetermined failure. When the diagnosis unit 115 performs the test result (for example, a failure occurrence result of the receiver 140) under the same condition, the diagnosis unit 115 performs logic (or a circuit) for diagnosing a failure occurring in the receiver 140. It is characterized by comprising.

Alternatively, the control unit 105 includes predetermined control logic (or control circuit), and as a result of the inspection of the inspection unit 110, the RFID reader 185 transmits predetermined sensing data through the transmission unit 145. Since the response is not received under the condition in which the protocol is defined to receive the response (ACK) corresponding to the sensing data reception from the RFID reader 185 after transmitting the data to the RFID reader 185, a predetermined failure occurs in the transmitter 145. Is treated as having occurred, the diagnostic unit 115 executes the test result (for example, the failure occurrence result of the transmission unit 145) again under the same conditions, thereby diagnosing the logic occurring at the transmission unit 145 ( Or a circuit).

Alternatively, the control unit 105 includes a predetermined control logic (or control circuit), and as a result of the inspection of the inspection unit 110, the power supply unit 100 includes a predetermined battery, When the power supplied from the battery falls below a predetermined standard (for example, the minimum power for operating the RFID device), when the predetermined failure occurs in the power supply unit 100, the diagnosis unit 115 may It is characterized in that it comprises a logic (or a circuit) for diagnosing the failure occurred in the power supply unit 100 by re-executing the test result (for example, the failure occurrence result of the power supply unit 100) under the same conditions. .

According to another exemplary embodiment of the present invention, the control unit 105 includes a predetermined processor, predetermined memory condition information is provided in the memory unit 150, and as a result of the inspection of the inspection unit 110. When the data sensed through the sensor unit 155 is obtained as a zero value for a predetermined time, when the sensor unit 155 (eg, the sensors 160 and 165) is treated as having a predetermined failure, the The diagnosis unit 115 sets the inspection result (eg, a failure occurrence result of the sensor unit 155 (eg, the sensors 160 and 165)) under the same condition based on the failure condition information stored in the memory unit 150. By re-executing, a function for diagnosing a failure occurring in the sensor unit 155 (for example, the sensors 160 and 165) is provided.

Alternatively, the control unit 105 includes a predetermined processor, predetermined memory condition information is provided in the memory unit 150, and as a result of the inspection of the inspection unit 110, through the sensor unit 155. Since the sensed data to be sensed is sensed to a value smaller than the minimum value or greater than the maximum value for a predetermined time, a predetermined failure in the sensor unit 155 (eg, the sensors 160 and 165 or the ADC). Is detected, the diagnostic unit 115 is based on the fault condition information stored in the memory unit 150, the test result (e.g., the sensor unit 155 (e.g., sensors 160, 165, or ADC) By re-executing the result of the failure) in the same condition, it is characterized in that it comprises a function for diagnosing a failure occurred in the sensor unit 155 (for example, the sensors 160, 165, or ADC).

Alternatively, the control unit 105 includes a predetermined processor, predetermined memory condition information is provided in the memory unit 150, and a test result of the inspection unit 110 is provided in the sensor unit 155. Information on valid periods of the sensors 160 and 165, and an operation time of the sensors 160 and 165 exceeds the valid period, so that a predetermined failure occurs in the sensor unit 155 (for example, the sensors 160 and 165). If it is determined that the diagnosis unit 115 is a failure result of the inspection result (eg, the sensor unit 155 (eg, the sensor 160, 165) based on the failure condition information stored in the memory unit 150. ) Is performed under the same conditions, and has a function of diagnosing a failure occurring in the sensor unit 155 (eg, the sensors 160 and 165).

Alternatively, the control unit 105 includes a predetermined processor, predetermined memory condition information is provided in the memory unit 150, and as a result of the inspection of the inspection unit 110, through the reception unit 140. Since the predetermined radio frequency signal for providing the sensing data to the RFID reader 185 is not received within a predetermined time (eg, the maximum period of transmitting the sensing data to the RFID reader 185), the receiving unit When it is determined that a predetermined failure has occurred in the 140, the diagnosis unit 115 based on the failure condition information stored in the memory unit 150 results in the failure of the inspection unit (eg, the reception unit 140). ) Is performed under the same condition, characterized in that it comprises a function for diagnosing a failure occurring in the receiver 140.

Alternatively, the control unit 105 includes a predetermined processor, predetermined memory condition information is provided in the memory unit 150, and as a result of the inspection of the inspection unit 110, predetermined through the transmission unit 145. After transmitting the sensing data of the RFID reader 185, the response is not received under the condition that the protocol is defined to receive the response (ACK) corresponding to receiving the sensing data from the RFID reader 185 When a predetermined failure occurs in the transmission unit 145, the diagnosis unit 115 may determine the inspection result (eg, the transmission unit 145) based on the failure condition information stored in the memory unit 150. And a function of diagnosing a failure occurring in the transmitting unit 145 by re-executing the failure occurrence result) under the same condition.

Alternatively, the control unit 105 includes a predetermined processor, predetermined memory condition information is provided in the memory unit 150, and as a result of the inspection of the inspection unit 110, the power supply unit 100 is predetermined. And a battery, wherein the power supplied from the battery falls below a predetermined criterion (for example, the minimum power for operating the RFID device), and thus, a predetermined failure occurs in the power supply unit 100. The diagnostic unit 115 re-runs the test result (eg, a failure occurrence result of the power supply unit 100) under the same condition based on the failure condition information stored in the memory unit 150. It is characterized in that it comprises a function for diagnosing a failure occurring in the power supply unit (100).

According to an exemplary embodiment of the present invention, at least one failure is detected in the RFID device as a result of the inspection of the inspection unit 110, or the failure is diagnosed by the diagnosis unit 115 due to the failure. After that, if the inspection result (or diagnosis result) is checked (or diagnosed) that the failure does not include the failure occurring in the transmitting unit 145 or the receiving unit 140, the interrupt unit 120 The transmitter 145 interrupts and stops a function of converting predetermined sensing data into a radio frequency signal and transmitting the radio frequency signal to the RFID reader 185 through the antenna unit 180.

When the transmission unit 145 is interrupted by the interrupter 120 to convert predetermined sensing data into radio frequency signals and transmit the radio frequency signal to the RFID reader 185 through the antenna unit 180, the transmission unit 125 may transmit the fault diagnosis information generated by the diagnosis unit 115 to the RFID reader 185 through the interrupted transmitter 145 and the antenna unit 180. In this case, the troubleshooting information is output through predetermined output means provided in the RFID reader 185 (or the RFID terminal 190 having the RFID reader 185 (or associated with the RFID reader 185)). It is characterized by.

According to an exemplary embodiment of the present invention, the transmitter 125 preferably transmits the fault diagnosis information to the protocol for transmitting the sensing data to the RFID reader 185 and transmits the fault diagnosis information to the RFID reader 185. .

According to another exemplary embodiment of the present invention, the transmitter 125 transmits the failure diagnosis information to the RFID reader 185 through a protocol defined separately in addition to a protocol for transmitting the sensing data to the RFID reader 185. It is desirable to transmit.

According to another exemplary embodiment of the present invention, the inspection result of the inspection unit 110 is determined that at least one or more failures occur in the RFID device, or the failure occurs and the failure occurs by the diagnosis unit 115. After being diagnosed, when the inspection result (or diagnosis result) is checked (or diagnosed) including the failure occurring in the transmitter 145 or the receiver 140, the interrupter 120 determines the The interface unit 175 interrupts and stops the function of collecting at least one sensing data from the sensor unit 155.

When the interface unit 175 is interrupted by the interrupt unit 120 to receive a predetermined sensing data from the sensor unit 155, the output unit 130 may diagnose a failure of the diagnosis unit 115. Generates predetermined diagnostic diagnosis information corresponding to the and outputs the diagnostic information to the terminal unit 170 through the interrupted interface unit 175, in which case the diagnostic information is the terminal unit ( 170 provided to a predetermined monitoring device connected to, characterized in that output through a predetermined output means provided in the monitoring device.

2 is a diagram illustrating a functional configuration of an RFID terminal having a failure notification function of the RFID device 296 according to the embodiment of the present invention.

In more detail, FIG. 2 is a functional configuration diagram of a predetermined RFID reader and an RFID terminal having a failure notification function for the RFID device 296 shown in FIG. 1, and for convenience, the RFID reader is external to the RFID terminal. It shows the RFID terminal function configuration provided.

Those skilled in the art to which the present invention pertains can easily infer the functional configuration of various RFID terminals having a failure notification function of the RFID device 296 with reference to FIG. 2. Although the RFID terminal is provided in correspondence with the RFID / USN, it is possible to infer a functional configuration omitted from this figure 2 for convenience, but the present invention is characterized in that it comprises all the functional configuration, thereby It is clear that the invention is not limited.

Referring to FIG. 2, the RFID terminal basically includes a control unit 205, a memory unit 235, an RFID interface 210 unit, a screen output unit 215, a key input unit 220, and a communication unit 225. It is made, and comprises a power supply unit 230 for supplying a predetermined power to the RFID terminal.

The control unit 205 controls the overall operation of the RFID terminal in the functional configuration, manages the flow of information or data between the respective components, and the components provided in the RFID terminal for the failure notification of the RFID device 296 It is characterized by controlling the function of.

The control unit 205 may include at least one or more processors including a central processing unit (CPU) / micro processing unit (MPU), an execution memory (for example, a register and / or a random access memory (RAM)) and predetermined data in hardware. It is characterized in that it comprises a bus (BUS) for inputting and outputting, and also loaded into the execution memory from a predetermined recording medium in order to perform a characteristic function having a failure notification function of the RFID device 296 by software ( A predetermined program routine (Routine) and / or program data that is loaded and computed by the processor (hence, is recorded on a recording medium provided in the RFID terminal for notification of failure of the RFID device 296). For processing the software and / or the functional configuration provided in the RFID terminal for notification of failure of the RFID device 296. Also shown to be a component provided in the control unit 205) it will be characterized by comprising.

The memory unit 235 is information or data input and output when an operation by a predetermined program routine (or code) and / or program data (eg, a program routine (or code)) for controlling the overall operation of the RFID terminal is performed. General term of non-volatile memory for storage of at least one, including at least one storage means including EEPROM (Electrically Erasable and Programmable Read Only Memory) and / or Flash Memory (FM) and / or Hard Disk Drive (HDD) in hardware. And a predetermined program routine required for the control unit 205 to perform a predetermined control function and program data (for example, data input or output for the program routine to perform a predetermined function). It is characterized by.

According to the exemplary embodiment of the present invention, the memory unit 235 includes a sensing data storage area for each RFID device 296 that stores sensing data received from at least one RFID device 296 through the RFID reader. It is preferable.

In addition, the memory unit 235 preferably includes a failure diagnosis information storage area for each RFID device 296 storing failure diagnosis information received from at least one RFID device 296 through the RFID reader.

The screen output unit 215 is a liquid crystal display (LCD) by the control unit 205 in the process of performing the sensor network function corresponding to the RFID terminal and the failure notification function of the RFID device 296 according to the present invention. And / or output at least one or more information or data that is predefined or defined in real time to be output to a predetermined screen output device including a cathode ray tube (CRT) through a predefined screen interface. The screen output unit 215 performs the function of the screen output means provided in the RFID terminal in conjunction with the screen output device.

The screen output unit 215 is at least one input through the key input unit 220 in the process of performing the sensor network function corresponding to the RFID terminal and the failure notification function of the RFID device 296 according to the present invention. Key data and / or at least one or more information (or data) extracted from the memory unit 235 by the RFID terminal to notify the failure of the RFID device 296 and / or the RFID terminal fails in the RFID device 296. At least one or more information (or data) transmitted and received through the communication unit 225 for notification and / or information (or data) corresponding to a predetermined operation result that the RFID terminal performs for failure notification of the RFID device 296. ) Is output to the screen output device.

The key input unit 220 includes at least one number key and / or letter key in a process of performing a sensor network function corresponding to the RFID terminal and a failure notification function of the RFID device 296 according to the present invention. Characterized in that at least one or more information or data that is predefined or is defined in real time to be input from a predetermined key input device, including a (Character Key) and / or Function Key (Function Key), characterized in that the predetermined key data The key input unit 220 functions as a key input unit provided in the RFID terminal in association with the key input device.

The communication unit 225 establishes at least one communication channel of various USN servers (or devices) on the network in the process of performing a sensor network function corresponding to the RFID terminal and a failure notification function of the RFID device 296 according to the present invention. The communication channel is a network communication channel for connecting the RFID terminal and a USN server (or device) on a network through at least one wired or wireless network, and / or the RFID terminal and a predetermined cable communication terminal. And / or at least one cable communication channel for connecting the server (or server) via a predetermined cable, and / or at least one local area communication channel for connecting the RFID terminal and the predetermined local area device through at least one local area communication means. It is done.

According to an embodiment of the present invention, the network communication channel is TCP / IP (Transmission Control) according to a network type connecting the RFID terminal and the USN server (or device) and / or a communication protocol defined in the network. Protocol / Internet Protocol (Internet) based network, No.7 network, wired network communication channel including at least one or more private network (eg, value-added communication network or financial common network), and / or code division multiple access (CDMA) based mobility And a wireless network communication channel including at least one communication network, a wireless data communication network, and a portable internet network. For this purpose, the communication unit 225 includes a network communication unit for connecting and managing the network communication channel. Do.

The cable communication channel may include at least one of RS (Recommended Standard) -232c, RS-485, and Universal Serial Bus (USB) according to a cable type and a communication protocol connecting the RFID terminal and the cable communication terminal (or server). And a wireless network communication channel including at least one serial communication channel and / or a parallel communication channel such as an LPT. For this purpose, the communication unit 225 connects and manages the cable communication channel. It is preferable to comprise a communication unit.

In addition, the near field communication channel may include infrared ray communication, radio frequency (RF) communication, and Bluetooth (BlueTooth) according to a type and a communication protocol of a near field communication means for connecting the RFID terminal and the cable communication terminal (or server). And a short range wireless communication channel including at least one of a wireless LAN, a Wi-Fi, and an ultra wide band system (UWB), and the communication unit 225 performs the short range wireless communication. It is preferred to have a short range wireless communication unit for connecting and managing channels.

The RFID interface 210 interfaces with a predetermined RFID reader, and receives the RFID information received by the RFID reader from at least one RFID device 296 to the RFID terminal, and / or the RFID terminal. At least one RFID related command and / or information to be provided to the RFID device 296 to the RFID reader.

When the RFID reader is externally provided as shown in FIG. 2 according to an exemplary embodiment of the present invention, the RFID interface 210 may include at least one of the network communication channel and / or the cable communication channel and / or the short range communication channel. It is preferable to interface with the RFID reader through the above communication channel.

According to another embodiment of the present invention, when the RFID reader is embedded in the RFID terminal, the RFID interface 210 may be connected through a predetermined data bus and / or a printed circuit board (PCB) circuit. It is desirable to interface with the RFID reader.

The RFID reader emits and / or accepts radio waves of a specific frequency to the RFID device 296 in association with the electronic circuit, and an electronic circuit that emits or receives a predetermined radio wave toward the at least one RFID device 296. Includes an antenna and a microcontroller that extracts and checks predetermined data by reading a signal received from the RFID device 296, and the functional configuration of the RFID reader shown in FIG. The present invention relates to an RFID reader that interacts with at least one RFID device 296 through a predetermined air interface defined in ISO / IEC 18000 series and interoperates with the RFID terminal through the RFID interface 210. It is to be understood that the functional configuration of the RFID reader to achieve this is not limited to the case of FIG.

Referring to FIG. 2, the RFID reader transmits and receives a radio frequency signal of a predetermined frequency band (or supplies an energy source (power) to the RFID device 296), and An interface unit 285 for interfacing predetermined information or data with an RFID terminal, and the antenna unit 270 by converting predetermined information or data provided from the RIFD terminal through the interface unit 285 into a radio frequency signal. A transmitting unit 280 for transmitting through the receiver, a receiving unit 275 for converting a radio frequency signal received through the antenna unit 270 into a predetermined digital signal and providing the RFID terminal through the interface unit 285; It includes a power supply unit 295 for supplying a predetermined power required to operate the RFID reader.

According to the exemplary embodiment of the present invention, the power supply unit 295 may receive a predetermined power from the power supply unit 230 of the RFID terminal, or may receive a separate power from the RFID terminal.

The antenna unit 270 may enter the radio frequency region around the RFID reader (or approach the radio frequency region) through a predetermined radio interface defined in the ISO / IEC 18000 series. Transmits a signal including a predetermined activation signal and / or information (or data) through a radio frequency signal transmitted from the RFID reader, and / or is transmitted to the RFID device 296 by the transmitter 280. And transmits a predetermined radio frequency signal, and / or receives a radio frequency signal from the RFID device 296.

The interface unit 285 receives predetermined information or data to be included in a radio frequency signal transmitted from the RFID terminal to the RFID device 296 through the antenna unit 270, and / or the antenna unit 270. And an interface function for providing the RFID terminal with information or data corresponding to a predetermined digital signal included in the radio frequency signal received from the RFID device 296.

According to an exemplary embodiment of the present invention, when the RFID reader interfaces with the RFID terminal as an external type as shown in FIG. 2, the interface unit 285 may connect the network communication channel and / or the cable communication channel and / or the local area communication. Preferably, the interface unit 285 interfaces with the RFID interface 210 of the RFID terminal through at least one communication channel among the channels. When the RFID reader interfaces with the RFID terminal in a built-in manner, Preferably, the data bus includes a data bus and / or a printed circuit board (PCB) circuit.

The transmitter 280 is a modulator for converting a predetermined radio frequency signal for transmitting a predetermined digital signal to the RFID device 296 through the antenna unit 270, and the interface unit 285. When the predetermined information or data to be provided from the RFID terminal to the RFID device 296 is provided through the RFID terminal or is determined to transmit a predetermined signal to the RFID device 296 by an internal logic circuit, the information or The digital signal corresponding to the data and / or the digital signal corresponding to the determination result may be converted into a predetermined radio frequency signal and transmitted through the antenna unit 270.

The receiver 275 is a demodulator for converting a radio frequency signal received through the antenna unit 270 into a predetermined digital signal, and demodulates a radio frequency signal received through the antenna unit 270. Generates a digital signal and provides predetermined information or data corresponding to the digital signal to the RFID terminal through the interface unit 285.

According to the present invention, the RFID terminal receives at least one or more sensing data from at least one or more RFID devices 296 through the RFID reader, and each received RFID data is provided in the memory unit 235. And a USN processor 206 for storing the data in a storage area of each device 296 or for transmitting the sensing data to a predetermined sensor (or device) in connection with the communication unit.

Those skilled in the art to which the present invention pertains, technical features of the operation method of the USN processing unit 206 corresponding to each RFID / USN system provided with the RFID device 296 and the RFID terminal. Since it can be inferred, the detailed description thereof will be omitted for convenience.

Referring to FIG. 2, the RFID terminal includes an information receiver 207 for receiving at least one fault diagnosis information from at least one RFID device 296 through the RFID reader, and a fault for each received RFID device 296. And an information output unit 209 for outputting diagnostic information. The fault diagnosis information for each received RFID device 296 is transmitted to a predetermined fault management server 297 for the RFID device 296. And an information storage unit 212 for storing the fault diagnosis information for each of the information transmitting unit 211 or the received RFID device 296 in the memory unit 235.

When the predetermined fault diagnosis information is transmitted from the predetermined RFID device 296 shown in FIG. 1 through the predetermined air interface, the information receiver 207 cooperates with the RFID interface 285 to connect the RFID reader. And receiving the fault diagnosis information and confirming the RIFD device information which transmits the fault diagnosis information.

When the fault diagnosis information is received through the information receiving unit 207, the information output unit 209 transmits the fault diagnosis information in association with the screen output unit 215 and the RFID device 296 information. And outputting the received troubleshooting information.

When the RFID terminal is connected through a communication network with a predetermined failure management server 297 that manages a failure of the predetermined RFID device 296 shown in FIG. 1, the failure diagnosis information is received through the information receiving unit 207. When the information is received, the information transmitter 211 transmits the RFID device 296 information and the received failure diagnosis information which have transmitted the failure diagnosis information to the failure management server 297 in association with the communication unit 215. The RFID device 296 information and the failure diagnosis information are stored in a predetermined failure management D / B (not shown) provided in the failure management server 297 or the failure management server 297. It is preferably output through the screen output device provided in the.

When the fault diagnosis information is received through the information receiving unit 207, the information storage unit 212 associates the RFID device 296 information that transmits the fault diagnosis information with the received fault diagnosis information in association with the memory. And store in the failure diagnosis information storage area for each RIFD device provided in the unit 235.

Referring to FIG. 2, the RFID terminal checks and diagnoses an RFID device 296 that does not transmit sensing data for a predetermined time period among the RFID devices 296 transmitting at least one sensing data through the RFID reader. And a wireless diagnosis unit 208 for generating predetermined failure diagnosis information for the RFID device 296, and an information output unit 209 for outputting failure diagnosis information for each of the generated RFID devices 296. An information transmitter 211 for transmitting the fault diagnosis information for each of the generated RFID devices 296 to a predetermined failure management server 297 for the RFID device 296, or the generated RFID device 296. ) Is further provided with an information storage unit 212 for storing the respective failure diagnosis information in the memory unit 235.

In the RFID device 296 transmitting at least one sensing data through the RFID reader, when a wireless communication failure occurs in which a predetermined RFID device 296 does not transmit the sensing data for a predetermined time, the wireless diagnosis unit 208. ) Confirms the information of the RFID device 296 that does not transmit the sensing data for a predetermined time, and attempts to recover the radio communication with respect to the identified RFID device 296, thereby causing a predetermined failure of the RFID device 296. And generating diagnostic information.

According to an exemplary embodiment of the present invention, the wireless diagnosis unit 208 receives N sensing data from N RFID devices 296 in a normal state, and n (n <N) RFID devices 296 for a predetermined time. In the case of receiving n sensing data from the mobile station, it is preferable to confirm that (Nn) RFID devices 296 have a radio communication failure.

In addition, the wireless diagnosis unit 208 increases the radio frequency transmission output of the RFID reader or attempts point-to-point communication with a specific RFID device 296, thereby causing at least one RFID device 296 having the wireless communication failure. It is desirable to attempt wireless communication recovery for.

According to the exemplary embodiment of the present invention, when the automatic recovery attempt for the wireless communication failure fails, the wireless diagnosis unit 208 may provide predetermined failure diagnosis information (for example, wireless communication failure recovery) for the RFID device 296. Method, number of recovery attempts, etc.).

When predetermined failure diagnosis information is generated through the wireless diagnosis unit 208, the information output unit 209 is connected with the screen output unit 215 and the RFID device 296 information that transmits the failure diagnosis information; And outputting the generated failure diagnosis information.

When the RFID terminal is connected through a communication network with a predetermined failure management server 297 that manages a failure of the predetermined RFID device 296 shown in FIG. 1, a predetermined failure is performed through the wireless diagnosis unit 208. When the diagnostic information is generated, the information transmission unit 211 is connected to the communication unit 215 and the RFID device 296 information and the generated failure diagnosis information transmitted the failure diagnosis information to the failure management server 297. The RFID device 296 information and the failure diagnosis information are stored in a predetermined failure management D / B (not shown) provided in the failure management server 297 or the failure management server. It is preferable to output through the screen output device provided in 297.

When predetermined failure diagnosis information is generated through the wireless diagnosis unit 208, the information storage unit 212 links the RFID device 296 information that transmits the failure diagnosis information with the generated failure diagnosis information. And storing the fault diagnosis information storage area for each RIFD device included in the memory unit 235.

3 is a diagram illustrating an operation process of the RFID device 296 having a failure notification function according to an embodiment of the present invention.

In more detail, in FIG. 3, at least one sensing data is sensed by at least one or more sensors in the RFID device 296 illustrated in FIG. 1, and the sensing data is transmitted through a predetermined RFID wireless interface. Or an RFID terminal having the RFID reader (or associated with the RFID reader), and checking and diagnosing at least one or more failures that may occur in the RFID device 296, and checking (or diagnosing) the failures. When a predetermined failure occurs (or diagnoses) in response to the operation, an operation process of the RFID device 296 outputting a warning corresponding to the failure through at least one or more terminals (Port) provided in the RFID device 296. As to those skilled in the art to which the present invention pertains, the RFID device 296 having the fault notification function by referring to and / or modifying the drawing 3. Would be able to infer a variety of exemplary methods for the operation process, the present invention is made, including any exemplary way in which the inference, to which the technical feature that is not limited to the exemplary method shown in the figure 3.

For example, in FIG. 3, after confirming and diagnosing at least one or more failure occurrences predicted by the RFID device 296, after outputting a failure diagnosis result corresponding to predetermined failure diagnosis information, the failure diagnosis information is transmitted to the RFID reader. While illustrated and described as transmitting, the present invention is in no way limited thereto, and it is obvious that some of the steps may be omitted (eg, external output steps), or some order may be altered.

Referring to FIG. 3, the RFID device 296 illustrated in FIG. 1 senses at least one or more sensing data through at least one or more sensors (300), and transmits the sensed at least one sensing data to the RFID device ( While storing in the sensing data storage area of the memory unit 235 included in 296 (305), it is determined whether at least one or more predicted failures occur in the RFID device 296 (310).

According to an exemplary embodiment of the present invention, when the main function of the RFID device 296 includes a predetermined control logic (or control circuit), the RFID device 296 may perform data sensing through the sensor for a predetermined time. It is preferable to check whether a zero value is obtained for a while, and when the data sensed by the sensor is acquired with a zero value for a predetermined time, the RFID device 296 may be configured as the sensor unit (eg, It is preferable to treat that a predetermined failure has occurred in the sensor).

Alternatively, when the main function of the RFID device 296 includes a predetermined control logic (or control circuit), the RFID device 296 may have a sensing data sensed by the sensor smaller than a minimum value for a predetermined time. It is preferable to check whether the sensor senses a value or a value larger than the maximum value, and the sensing data sensed by the sensor through the sensor is sensed by a value smaller than the minimum value or less than the maximum value for a predetermined time. In the case where a larger value is sensed, it is preferable that the RFID device 296 treats that a predetermined failure has occurred in the sensor unit (for example, the sensor or the ADC).

Alternatively, when the main function of the RFID device 296 includes a predetermined control logic (or control circuit), the RFID device 296 stores valid period information of a sensor provided in the sensor unit, and It is preferable to check whether the operation time of the sensor exceeds the validity period. If the operation time of the sensor exceeds the validity period, the RFID device 296 may trust the sensing data acquired by the sensor unit. It is desirable to treat the failure as having occurred.

Alternatively, when the main function of the RFID device 296 includes a predetermined control logic (or control circuit), the RFID device 296 receives a predetermined time (for example, the sensing data) through the receiving unit 275. It is preferable to check whether a predetermined radio frequency signal for providing the sensing data to the RFID reader is received within a maximum period of transmission to the RFID reader, and for a predetermined time (for example, the sensing data) through the receiving unit 275. If a predetermined radio frequency signal for providing the sensing data to the RFID reader is not received within a maximum period of transmitting the same to the RFID reader, the RFID device 296 is between the RFID device 296 and the RFID reader. It is desirable to treat the radio interface as having a predetermined failure.

Alternatively, when the main function of the RFID device 296 includes predetermined control logic (or control circuit), the RFID device 296 transmits predetermined sensing data to the RFID reader through the transmitter. And checking whether the response is received under a condition in which a protocol is defined to receive an response (ACK) corresponding to the sensing data reception from the RFID reader, and transmitting predetermined sensing data to the RFID reader through the transmitter. After that, when the response is not received under the condition that the protocol is defined to receive the response (ACK) corresponding to the sensing data reception from the RFID reader, the RFID device 296 is connected to the RFID device 296 and the RFID. It is desirable to treat a predetermined failure as occurring in the wireless interface between readers.

Alternatively, when the main function of the RFID device 296 includes predetermined control logic (or control circuit), the RFID device 296 includes the power supply 230 including a predetermined battery, It is preferable to check whether the power supplied from the battery falls below a predetermined criterion (for example, the minimum power for the RFID device 296 to operate), and the power supply 230 includes a predetermined battery. When the power supplied from the battery falls below a predetermined standard (for example, the minimum power for the RFID device 296 to operate), it is preferable to treat the power supply unit 230 as having a predetermined failure. .

According to another exemplary embodiment of the present invention, when the main function of the RFID device 296 includes a predetermined processor and the predetermined memory condition information is provided in the memory unit 235, the RFID device 296 ) Checks whether the data sensed by the sensor is obtained as a zero value for a predetermined time based on the failure condition information provided in the memory unit 235, and the data sensed by the sensor. Is obtained with a zero value for a predetermined time, the RFID device 296 preferably treats that a predetermined failure has occurred in the sensor unit (eg, a sensor).

Alternatively, when the main function of the RFID device 296 includes a predetermined processor and the predetermined memory condition information is provided in the memory unit 235, the RFID device 296 may include the memory unit 235. It is preferable to check whether the sensing data sensed by the sensor based on the fault condition information provided in the) is sensed by a value smaller than the minimum value or by a value larger than the maximum value for a predetermined time. When sensing data sensed through the sensor is sensed by a value smaller than the minimum value or greater than the maximum value for a predetermined time, the RFID device 296 is the sensor unit (eg, sensor, Alternatively, it is preferable that a predetermined failure occurs in the ADC).

Alternatively, when the main function of the RFID device 296 includes a predetermined processor and the predetermined memory condition information is provided in the memory unit 235, the RFID device 296 may include the memory unit 235. It is preferable to store the valid period information of the sensor provided in the sensor unit based on the failure condition information provided in the), and to check whether the operation time of the sensor exceeds the valid period, the operation time of the sensor When the validity period is exceeded, the RFID device 296 preferably treats the sensing data acquired by the sensor unit as having an unreliable failure.

Alternatively, when the main function of the RFID device 296 includes a predetermined processor and the predetermined memory condition information is provided in the memory unit 235, the RFID device 296 may include the memory unit 235. A predetermined time for providing the sensing data to the RFID reader within a predetermined time (for example, the maximum period of transmitting the sensing data to the RFID reader) through the receiving unit 275 based on the failure condition information included in It is preferable to check whether a radio frequency signal is received, and to provide the sensing data to the RFID reader within a predetermined time (for example, a maximum period of transmitting the sensing data to the RFID reader) through the receiving unit 275. When no radio frequency signal is received, the RFID device 296 causes a predetermined failure in the radio interface between the RFID device 296 and the RFID reader. It is preferable to treat it as one.

Alternatively, when the main function of the RFID device 296 includes a predetermined processor and the predetermined memory condition information is provided in the memory unit 235, the RFID device 296 may include the memory unit 235. The protocol is defined to transmit predetermined sensing data to the RFID reader through the transmitter based on the fault condition information included in the C-type, and to receive an acknowledgment (ACK) corresponding to the sensing data reception from the RFID reader. It is preferable to check whether the response is received under the condition, and after transmitting predetermined sensing data to the RFID reader through the transmitter, the protocol is configured to receive an acknowledgment (ACK) corresponding to the sensing data reception from the RFID reader. If the response is not received under the defined condition, the RFID device 296 may set a predetermined height at the air interface between the RFID device 296 and the RFID reader. It is desirable to treat the intestines as occurring.

Alternatively, when the main function of the RFID device 296 includes a predetermined processor and the predetermined memory condition information is provided in the memory unit 235, the RFID device 296 may include the memory unit 235. The power supply unit 230 includes a predetermined battery based on the failure condition information included in the), and the power supplied from the battery is a minimum reference (for example, for the RFID device 296 to operate). It is preferable to check whether the power supply falls below the power supply, and the power supply unit 230 includes a predetermined battery, and the power supplied from the battery is a predetermined reference (for example, for the RFID device 296 to operate). When descending below the minimum power), it is preferable that a predetermined failure occurs in the power supply 230.

If it is confirmed that the at least one failure predicted by the RFID device 296 has occurred (315), the RFID device 296 transmits the sensed at least one sensing data to a predetermined RFID reader. If it is confirmed that the sensing data is transmitted to a predetermined RFID reader (320), the RFID device 296 is at least one or more sensing data stored in the sensed (or memory unit 235). Is transmitted to the RFID reader through a wireless interface between the RFID device 296 and the RFID reader (325), and the process is periodically repeated until the sensing process of the RFID device 296 is terminated (330).

On the other hand, if it is confirmed that at least one or more failures predicted by the RFID device 296 have occurred (315), the RFID device 296 checks and diagnoses respective failure details corresponding to the occurrence of the predetermined error. Fault diagnosis information is generated (335).

According to an exemplary embodiment of the present invention, the main function of the RFID device 296 includes a predetermined control logic (or a control circuit), and as a result of the failure inspection, the data sensed by the sensor unit is fixed for a predetermined time. If the sensor unit (eg, sensor) is treated as having a predetermined failure due to being acquired with a zero value, the RFID device 296 determines that the failure occurs. It is preferable to diagnose the failure occurring in the sensor unit (for example, the sensor) by re-executing the failure occurrence result) under the same condition.

Alternatively, the main control function of the RFID device 296 includes a predetermined control logic (or control circuit), and as a result of the failure inspection, sensing data sensed through the sensor unit is smaller than a minimum value for a predetermined time. If the sensor unit (eg, the sensor or the ADC) is treated as having a predetermined failure due to being sensed by a value greater than or greater than the maximum value, the RFID device 296 determines that It is preferable to diagnose the failure occurring in the sensor unit (eg sensor or ADC) by re-executing the sensor unit (eg result of failure of the sensor or ADC) under the same conditions.

Alternatively, a main control function of the RFID device 296 includes a predetermined control logic (or control circuit), and as a result of the fault occurrence inspection, stores valid period information of a sensor provided in the sensor unit, and stores the sensor. When the operation time of the sensor exceeds the validity period, the sensor unit (for example, the sensor) is treated as having a predetermined failure, the RFID device 296, the failure occurrence inspection result, the sensor unit (for example, the sensor It is preferable to diagnose the failure occurring in the sensor unit (for example, the sensor) by re-executing the failure occurrence result) in the same condition.

Alternatively, the main control function of the RFID device 296 includes predetermined control logic (or control circuit), and as a result of the failure inspection test, the reception unit 275 receives a predetermined time (for example, the sensing data). If a predetermined failure occurs in the receiving unit 275 because the predetermined radio frequency signal for providing the sensing data to the RFID reader is not received within the maximum period of transmission to the RFID reader, the RFID device 296, it is preferable to diagnose the failure that occurred in the receiver 275 by re-executing the failure occurrence test result, the failure occurrence result of the receiver 275 under the same conditions.

Alternatively, the main control function of the RFID device 296 includes a predetermined control logic (or control circuit), and as a result of the inspection of the occurrence of failure, the predetermined sensing data is transmitted to the RFID reader through the transmitter. The RFID device may be configured to receive a predetermined failure because the response is not received under a condition in which a protocol is defined to receive an response (ACK) corresponding to the sensing data reception from the RFID reader. 296), it is preferable to diagnose the failure which occurred in the said transmission part by performing the failure occurrence test result, the failure occurrence result of the said transmission part) on the same conditions.

Alternatively, the main control function of the RFID device 296 includes a predetermined control logic (or a control circuit), and as a result of the failure inspection, the power supply unit 230 includes a predetermined battery, If the power supplied from the battery falls below a predetermined reference (for example, the minimum power for operating the RFID device 296), and the power supply unit 230 is treated as having a predetermined failure, the RFID device ( 296, it is preferable to diagnose the failure occurred in the power supply unit 230 by re-executing the failure occurrence test result, the result of the failure of the power supply unit 230) under the same conditions.

According to another exemplary embodiment of the present invention, a main control function of the RFID device 296 includes a predetermined processor, predetermined memory condition information is provided in the memory unit, and a result of the inspection of the failure occurs. When the sensed data is acquired as a zero value for a predetermined time, and when it is treated that a predetermined failure occurs in the sensor unit (eg, the sensor), the RFID device 296 is stored in the memory unit. Based on the failure condition information, it is preferable to diagnose a failure occurring in the sensor unit (eg, sensor) by re-executing the failure occurrence test result of the sensor unit (eg, sensor) under the same condition. .

Alternatively, a main control function of the RFID device 296 includes a predetermined processor, predetermined memory condition information is provided in the memory unit, and sensing data sensed through the sensor unit is fixed as a result of the failure test. If the sensor unit (eg, sensor or ADC) is treated as having a predetermined failure due to being sensed by a value smaller than the minimum value or by a value larger than the maximum value during the time, the RFID device 296 The sensor unit (eg, sensor) is performed by re-executing the failure occurrence test result and failure of the sensor unit (eg, sensor or ADC) based on the failure condition information stored in the memory unit under the same condition. Or diagnosing a failure in the ADC).

Alternatively, a main control function of the RFID device 296 includes a predetermined processor, predetermined memory condition information is provided in the memory unit, and a valid period of a sensor provided in the sensor unit as a result of the failure inspection test. The RFID device 296 stores the information stored in the memory unit when information is stored and the sensor unit (for example, the sensor) has a predetermined failure because the operation time of the sensor exceeds the valid period. Based on the failure condition information, it is preferable to diagnose a failure occurring in the sensor unit (eg, sensor) by re-executing the failure occurrence test result of the sensor unit (eg, sensor) under the same condition. .

Alternatively, a main control function of the RFID device 296 includes a predetermined processor, predetermined memory condition information is provided in the memory unit, and a result of the inspection of the occurrence of a failure through the receiving unit 275. For example, since a predetermined radio frequency signal for providing the sensing data to the RFID reader is not received within the maximum period of transmitting the sensing data to the RFID reader, a predetermined failure occurs in the receiving unit 275. The RFID device 296 re-performs the failure occurrence test result and the failure occurrence result of the reception unit 275 based on the failure condition information stored in the memory unit, under the same condition. It is desirable to diagnose the failure in 275).

Alternatively, the main control function of the RFID device 296 includes a predetermined processor, predetermined memory condition information is provided in the memory unit, and as a result of the failure inspection test, predetermined sensing data is transmitted through the transmitting unit. After the transmission to the RFID reader, because the response is not received in the condition that the protocol is defined to receive the response (ACK) corresponding to the sensing data received from the RFID reader, the predetermined failure occurred in the transmitter When the RFID device 296 re-executes the failure occurrence inspection result and the failure occurrence result of the transmitter on the basis of the failure condition information stored in the memory unit, the RFID device 296 diagnoses a failure occurring in the transmitter. It is preferable.

Alternatively, the main control function of the RFID device 296 includes a predetermined processor, predetermined memory condition information is provided in the memory unit, and as a result of the failure inspection, the power supply unit 230 supplies a predetermined battery. And a predetermined failure occurs in the power supply unit 230 because power supplied from the battery falls below a predetermined criterion (for example, minimum power for operating the RFID device 296). When processed, the RFID device 296 re-executes the failure occurrence test result and the failure occurrence result of the power supply unit 230 based on the failure condition information stored in the memory unit under the same condition, thereby providing the power supply unit. It is desirable to diagnose the failure that occurred at 230.

If a predetermined fault diagnosis information is generated by identifying and diagnosing each fault content corresponding to the fault occurrence (340), the RFID device 296 indicates that the fault corresponding to the fault diagnosis information is the RFID device 296. Check whether the wireless communication between the RFID reader and the RFID reader is made (345).

If the check result indicates that the failure corresponding to the failure diagnosis information does not include a wireless communication failure between the RFID device 296 and the RFID reader (350), the RFID device 296 transmits and receives the sensing data to the RFID reader. Interrupt the radio communication function between the RFID interrogator (355).

If the wireless communication function between the RFID device 296 and the RFID reader is interrupted (360), the RFID device 296 transmits the failure diagnosis information to the RFID reader through the interrupted wireless communication function (365). .

According to an exemplary embodiment of the present invention, the RFID device 296 preferably transmits the diagnosis information to the RFID reader by substituting the failure diagnosis information in a protocol for transmitting the sensing data to the RFID reader.

According to another exemplary embodiment of the present invention, the RFID device 296 preferably transmits the failure diagnosis information to the RFID reader through a protocol defined separately in addition to the protocol for transmitting the sensing data to the RFID reader.

When the failure diagnosis information is transmitted from the RFID device 296, the RFID terminal illustrated in FIG. 2 receives and stores the failure diagnosis information through a predetermined RFID reader, or outputs the information to a predetermined screen output means. Or by transmitting to the predetermined failure management server 297 (370), the request to recover the failure occurred in the RFID device 296.

On the other hand, if the failure result corresponding to the failure diagnosis information includes a wireless communication failure between the RFID device 296 and the RFID reader (350), the RFID device 296 is at least one sensing data from at least one sensor Interrupt the sensor interface to receive the signal (375).

If the sensor interface is interrupted (380), the RFID device 296 outputs the failure diagnosis information (385) to the terminal unit provided in the RFID device 296 through the interrupted sensor interface (385). Request to repair the failure that occurred at 296.

If it is confirmed that the failure corresponding to the failure diagnosis information is restored (390), the RFID device 296 initializes the sensing function through at least one or more sensors (395), and repeats the above process.

4 is a diagram illustrating an operation process of an RFID terminal having a failure notification function according to an embodiment of the present invention.

In more detail, in FIG. 4, at least one sensing data is sensed by at least one sensor in the RFID device 296 illustrated in FIG. 1, and the sensing data is transmitted through a predetermined RFID wireless interface. Or a wireless communication failure between the RFID device 296 and the RFID reader shown in FIG. 2 during transmission to the RFID terminal having the RFID reader (or associated with the RFID reader). Attempts to recover, and if the radio communication failure is not recovered, the operation of the RFID terminal to generate and output predetermined failure diagnosis information corresponding to the radio communication failure, the general knowledge in the technical field to which the present invention belongs If you have, various embodiments of the operation process of the RFID terminal with the failure notification function by referring to and / or modified in the Figure 4 Would be able to derive a method, the present invention is made, including any exemplary way in which the inference, to which the technical feature that is not limited to the exemplary method shown in the figure 4.

Referring to FIG. 4, when the at least one RFID device 296 illustrated in FIG. 1 senses at least one sensing data and transmits the sensed data to the RFID reader, the RFID terminal transmits the RFID device 296 through the RFID reader. Receive at least one sensing data from a), and performs a series of data processing procedures corresponding to the received sensing data (400), the RFID terminal is connected to the RFID reader during the sensing data reception and data processing In operation 405, at least one RFID device 296 having a predetermined wireless communication failure has been identified.

According to an embodiment of the present invention, the RFID terminal receives N sensing data from N RFID devices 296 in a normal state, and n sensing data from n (n <N) RFID devices 296 for a predetermined time. When receiving data, it is preferable to confirm that (Nn) RFID devices 296 have a radio communication failure.

If it is confirmed that the radio communication failure occurs in the at least one RFID device 296 (410), the RFID terminal attempts to recover the radio communication for the at least one RFID device 296 in which the radio communication failure occurred ( 415).

According to an embodiment of the present invention, the RFID terminal increases the radio frequency transmission output of the RFID reader, or attempts point-to-point communication with a specific RFID device 296, thereby generating at least one RFID device in which the radio communication failure occurs ( It is desirable to attempt wireless communication recovery for 296).

If the wireless communication for the at least one RFID device 296 having the wireless communication failure is not automatically restored (425), the RFID terminal determines predetermined failure diagnosis information (for example, the RFID device 296 having the wireless communication failure). , Wireless communication failure recovery method, recovery attempt number, etc.) (430), and store the generated failure diagnosis information, output to a predetermined screen output means, or to a predetermined failure management server (297). By sending 435, the RFID device 296 requests to recover the failure.

According to the present invention, it is possible to identify and recover various failures occurring in the RFID device through a terminal output function of at least one or more predicted failure inspection, diagnosis, and failure diagnosis information included in the RFID device.

According to the present invention, when a wireless communication failure occurs with at least one RFID device in the RFID terminal, by generating and outputting failure diagnosis information corresponding to the wireless communication failure, various failures occurring in the RFID device are identified and There is a benefit to recover.

Claims (7)

In a wireless recognition device having at least one sensor, An inspection unit for inspecting whether a failure occurs in the sensor, a radio communication failure between the radio recognition device and a predetermined reader, or a power supply failure for the radio recognition device; A diagnosis unit for generating predetermined diagnosis information by checking and diagnosing the details of the failure when at least one failure occurs by the inspection unit; And When the failure diagnosis information does not include the wireless communication failure, interrupt the function of transmitting at least one sensing data sensed from the sensor to the reader through a wireless communication function of the wireless recognition device, and the failure An interrupt unit for interrupting a sensor interface for sensing predetermined sensing data from the sensor when the diagnostic information includes the wireless communication failure; A transmission unit for transmitting the failure diagnosis information to the reader through the interrupted wireless communication function when the wireless communication function of the wireless recognition device is interrupted; And And an output unit for outputting the failure diagnosis information to a predetermined terminal through the sensor interface when the sensor interface is interrupted. The method of claim 1, wherein the terminal portion, And at least one communication port for outputting the failure diagnosis information. A recording medium which records a program for realizing the functional configuration of claim 1. delete delete delete delete

Images