KR20080017925A - Tag with rf communication and recording medium - Google Patents

Abstract

A tag having an RF communication function and a recording medium are provided to determine automatically whether a tag, having at least one sensor and an RF communication function, generates or obtains sensed data and to generate or obtain important sensed data for efficiently managing power of a battery mounted at the tag. A tag having an RF communication function comprises a memory(640) and a power unit or a battery(615). The tag is connected to at least one sensor(655). The tag supplies the power for the sensor(655) via the power unit or the battery(615), receives data or a signal from the sensor(655) and stores the received data or signal at a memory(640). The tag transmits the data or the signal stored at the memory to a set terminal. The data or signal received from the sensor(655) can be a normal signal or an abnormal signal.

Description

Tag with RF Communication and Recording Medium

1 is a view showing a functional configuration of a sensor tag with a sensor control function according to an embodiment of the present invention.

2 is a diagram illustrating a sensor unit operation process of a sensor tag that provides a sensor control function according to an exemplary embodiment of the present invention.

3 is a diagram illustrating a sensor unit operation process of a sensor tag that provides a sensor control function according to another exemplary embodiment of the present invention.

4 is a diagram illustrating a sensor unit operation process of a sensor tag providing a sensor control function according to another exemplary embodiment of the present invention.

5 is a diagram illustrating an operation of an RF unit of a sensor tag providing a sensor control function according to an exemplary embodiment of the present invention.

6 is a view showing a functional configuration of a sensor tag with a sensor control function according to another embodiment of the present invention.

7 is a diagram illustrating an operation of an RF unit of a sensor tag providing a sensor control function according to an exemplary embodiment of the present invention.

8 is a diagram illustrating an operation of an RF unit of a sensor tag providing a sensor control function according to another exemplary embodiment of the present invention.

9 is a diagram illustrating an operation of an RF unit of a sensor tag that provides a sensor control function according to another exemplary embodiment of the present invention.

<Description of main parts of drawing>

600: sensor tag 605: RF unit

610: antenna unit 615: battery

620: communication unit 625: receiving unit

630: transmitter 635: controller

640: memory unit 645: sensor unit

650: sensor processing unit 655: sensor

The present invention is characterized by having a predetermined memory and a predetermined power supply unit (or battery) and connected to at least one or more sensors, wherein the sensor periodically supplies power (or power) provided through the power supply unit (or battery). The present invention provides a tag and a recording medium having an RF communication function, characterized in that for receiving the data (or signal) from the sensor and storing it in the memory.

A conventional sensor tag corresponding to a Ubiquitous Sensor Network (USN) operating based on Radio Frequency Identification (RFID) generates at least one sensing data when receiving a predetermined sensing command through a radio frequency from a predetermined RFID reader ( Or to obtain) and transmit the same to the RFID reader, whereby sensing and sensing data transmission and reception occur simultaneously.

In the conventional USN operation method as described above, if a sensing command is not received from the RFID reader to the sensor tag, sensing does not occur in the sensor tag, so long as the sensing command is not continuously transmitted from the RFID reader. As a result, some important sensing data may be lost.

In addition, in the conventional USN operating method as described above, when a predetermined battery power is provided in the sensor tag, the battery power consumption of the battery pack is unnecessary.

SUMMARY OF THE INVENTION An object of the present invention for solving the above problem is to include a predetermined sensor unit in an active sensor tag having an RF unit conforming to at least one RF communication standard, and at the sensor unit at a specific time and / or a specific event and / or When sensing data corresponding to a specific sensing is generated (or obtained), a sensor tag for providing the sensing data from the sensor unit to the RF unit is provided.

In the present invention, the tag having the RF communication function has a predetermined memory and a predetermined power supply (or battery), and is connected to at least one or more sensors, and the sensor is provided through the power supply (or battery). It is characterized in that the periodically provided power (or power), and receives a predetermined data (or signal) from the sensor and stores in the memory.

According to an embodiment of the present invention, it is preferable that the tag provided with the RF communication function transmits data (or a signal) stored in the memory to a predetermined terminal.

According to the implementation method of this invention, it is preferable that the data (or signal) received from the said sensor is normal data (or signal) or abnormal data (or signal).

According to the present invention, the recording medium provided in the tag with the RF communication function is characterized in that the program for executing the tag function recorded.

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 thereof 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 based on the contents throughout the present title.

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 able to easily understand the function 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 the terms so that those skilled in the art to clearly understand the technical features of the present invention to effectively understand, but the present invention It is by no means limited.

For example, in the following exemplary embodiment, a tag having at least one sensor and an RF communication function as described above will be described as "sensor tag" for convenience, but the term is used to effectively describe the present invention. Only for the purpose of the present invention is not limited by the above terms.

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 view showing a functional configuration of a sensor tag 100 having a sensor control function according to an embodiment of the present invention.

In more detail, FIG. 1 includes a predetermined sensor 150 embedded sensor unit 145 in a passive sensor tag 100 having an RF unit 105 conforming to at least one RF communication standard, and the battery 150 When the sensing data corresponding to a specific time and / or a specific event and / or a specific sensing is generated (or obtained) in the built-in sensor unit 145, the RF unit (145) in the built-in sensor unit 145 of the battery 150 is generated. As a method of implementing the functional configuration of the sensor tag 100 for providing the sensing data to the present invention, those skilled in the art to which the present invention pertains may control the sensor by referring to and / or modifying the present invention. Various implementation methods of the sensor tag 100 having a function may be inferred, but the present invention includes all the inferred implementation methods, and is not limited to the implementation method shown in FIG.

Referring to FIG. 1 according to an embodiment of the present invention, the RF unit 105 of the sensor tag 100 having the sensor control function transmits (or energy) a radio frequency signal with a predetermined RF reader and a predetermined frequency band. An antenna unit 110 serving as a source (powered), a memory unit 140 storing storage information including at least one response data to be transmitted to the RF reader, and the antenna unit 110. A receiver 125 for converting a radio frequency signal received through a digital signal corresponding to a predetermined RF communication protocol (for example, an RFID communication protocol) to the controller 135 and providing the same to the controller 135, and received through the receiver 125. A response signal corresponding to a digital signal, and / or a response signal dynamically generated by the control unit 135, and / or a response signal corresponding to the response data extracted from the predetermined memory unit 140 may be a predetermined RF. Transmitter 130 for converting into a radio frequency signal corresponding to a communication protocol (eg, RFID communication protocol) and transmitting through the antenna unit 110, and the RF unit 105 in accordance with at least one RF communication standard Control the overall function of the digital signal received through the receiving unit 125 and generates a response signal corresponding thereto, and / or predetermined response data for generating the response signal to a predetermined memory unit ( It is characterized in that it comprises a control unit 135 for extracting from the 140 to control the unique function of the RF unit 105.

In addition, when the RF unit 105 is a passive type, the RF unit 105 generates a predetermined power from the radio frequency signal received by the antenna unit 110 to supply to the RF unit 105 ( 115) further comprises.

The antenna unit 110, when the RF unit 105 enters (or approaches the radio frequency field) of a predetermined RF reader, receives the radio frequency signal transmitted from the RF reader. Receives a signal containing a predetermined active signal and / or information (or data) through the signal to the receiving unit 125 (or applied), or via the radio frequency signal a predetermined response signal and / or Or transmitting a signal including information (or data).

According to the exemplary embodiment of the present invention, when the RF unit 105 is a passive type, the antenna unit 110 receives energy (eg, an analog signal of a radio frequency) included in a radio frequency signal transmitted from the RF reader. By providing (or applying) to the power supply unit 115, it is characterized in that for supplying a predetermined energy source (or power) required to operate the RF unit 105.

In the case of the passive RF unit 105, the power source 115 is a predetermined power source corresponding to the energy field around the RF reader using an analog signal of a radio frequency provided (or applied) through the antenna unit 110 Is generated and supplied to the receiver 125, the transmitter 130, and the controller 135 provided in the RF unit 105, wherein the power source 115 generates the power is the RF reader. Magnetic coupling and / or electrostatic coupling using electrostatic energy and / or inductive coupling using inductive energy. It is done by

According to an embodiment of the present invention, the power supply unit 115 transmits the power to the transmitter unit 130 so that the RF unit 105 performs a communication function corresponding to at least one radio interface standard with a predetermined RF reader. And / or to the communication unit 120 including the receiving unit 125, and / or to supply the power to the control unit 135 to perform the function requested by the RF unit 105 from a predetermined RF reader. It is desirable to.

Those skilled in the art to which the present invention pertains, the power supply unit 115 provided in the passive RF unit 105 generates a predetermined power from the radio frequency signal to supply to the RF unit 105 Technical features, and / or the battery 150 provided in the active RF unit 105 will be familiar with the technical features to supply a predetermined power to the RF unit 105, a detailed description thereof will be omitted for convenience. .

The receiver 125 is a demodulator for converting a radio frequency signal provided (or applied) through the antenna unit 110 into a predetermined digital signal, and provided (or applied) through the antenna unit 110. Demodulating the received radio frequency signal and receiving a digital signal from the RF reader including a command and / or data corresponding to at least one RF communication protocol (eg, an RFID communication protocol) and providing the same to the controller 135. It is done.

The transmitter 130 may generate a response signal of the digital signal received through the receiver 125 and / or a digital signal generated or extracted (eg, extracted from the memory unit 140) in the RF unit 105. Modulator for converting into a predetermined radio frequency signal for transmission to the RF reader through the antenna unit 110, when a predetermined digital signal is received through the receiver 125, at least one or more predefined Generate a predetermined response signal corresponding to response data corresponding to an RF communication protocol (eg, an RFID communication protocol) as a radio frequency signal for transmission to the RF reader through the antenna unit 110, and / or the Response data dynamically generated by the controller 135 corresponding to at least one RF communication protocol (eg, an RFID communication protocol) (and / or the controller 135 is predefined Generating response data extracted from the memory unit 140 in response to at least one RF communication protocol (eg, an RFID communication protocol) as a radio frequency signal for transmitting to the RF reader through the antenna unit 110. And providing the generated radio frequency signal to the RF reader through the antenna unit 110, wherein the memory map includes at least one RFID code area (e.g., TID and / or EPC). And / or at least one user data area, and / or a reserved area.

Those skilled in the art to which the present invention pertains, preferred technical features of the receiver 125 having a radio frequency demodulation function and preferred technical features of the transmitter 130 having a radio frequency modulation function Since it will be familiar with and / or can be easily inferred, the detailed description thereof will be omitted for convenience.

The memory unit 140 is a general term for a nonvolatile memory device included in the RF unit 105, and provides a read function by the controller 135 and / or a read / write function by the controller 135. When the memory provides only a read function by the control unit 135, the memory includes a ROM (Read Only Memory) memory element, the memory is read / read by the control unit 135 In the case of providing a write function, the write function includes a write once read many (WORM) and / or a write many (WM) memory device.

In addition, the memory unit 140 is a predetermined RF in the RF unit 105 in accordance with the RF operation procedure (eg, RFID tag operation procedure) on a memory map corresponding to at least one or more RF communication standards. And storing stored information including at least one response data to be answered by the reader.

According to an embodiment of the present invention, the response data includes an RFID code including at least one code system of an electronic product code (EPC) system and / or an ISO / IEC 15963 code system, and / or a UID system. It is preferable to make.

According to another exemplary embodiment of the present invention, the response data may include an RFID code including a user defined code system corresponding to an application field of the RF unit 105, in addition to the RFID code including the code system. It is preferable to comprise.

When the controller 135 is provided with a program execution function, the memory unit 140 stores at least one program code (and / or program data) executed through the controller 135.

According to an embodiment of the present invention, the program code is preferably provided with a function of reading a digital signal received corresponding to at least one RF communication protocol (for example, RFID communication protocol) through the receiving unit 125, In addition, the program data corresponding to the program code preferably comprises at least one or more reference data for reading the digital signal.

In addition, the program code is a function for verifying the validity of the digital signal received in response to at least one RF communication protocol (eg, RFID communication protocol) through the receiving unit 125 (eg, checking a checksum). It is preferable to comprise a).

The program code may be based on a power supply state of the RF unit 105 and / or a digital signal received corresponding to at least one RF communication protocol (eg, an RFID communication protocol) through the receiving unit 125. It is preferable to have a function of transitioning the state of the RF unit 105 (for example, READY, ARBITRATE, REPLY, ACKNOWLEDGED, OPEN, SECURED, KILLED, etc.).

The program code may be configured to extract an RFID code corresponding to at least one response data to be responded to the RF reader among stored information on the memory map, and / or at least one record data received from the RF reader. It is preferable to have a function of recording in a specific data area on the memory map.

According to the present invention, at least one storage area of the user data area and / or the spare area on the memory map defined in the memory unit 140 is at least one sensed by the built-in sensor unit 145 of the battery 150. And a sensing data storage area for storing the sensing data.

The controller 135 controls a function defined in the RF unit 105 according to an operation procedure of the RF unit 105 corresponding to at least one RF communication standard, and specifically, the receiver 125 By controlling the radio frequency signal received by the antenna unit 110 from a predetermined RF reader to the predetermined digital signal corresponding to at least one RF communication protocol (for example, RFID communication protocol) in the receiving unit 125, Read the digital signal to perform a control function corresponding to the digital signal, and / or generate a predetermined response signal corresponding to the received digital signal, and / or the response from the memory unit 140. A function of extracting predetermined response data for generating a signal, and / or controlling the transmitting unit 130 to generate the predetermined response signal. It converts to a line frequency signal, characterized in that it provides a function for transmitting to the RF reader through the antenna unit 110, and the like.

According to an exemplary embodiment of the present invention, the control unit 135 is preferably provided with a predetermined control logic (Control Logic) for performing the above control function.

According to another exemplary embodiment of the present invention, the control unit 135 preferably includes a predetermined program execution function for performing the control function as described above, and the control unit 135 includes at least one processor. And / or have at least one or more processors and execution memory (eg, random access memory (RAM), etc.).

According to the present invention, in order to provide the sensor control function, the control unit 135 receives a predetermined wake-up signal from the sensor unit 145 incorporating the battery 150, When the wake-up signal is received from the sensor unit 145 in the battery 150, the operation mode of the RF unit 105 is changed from a sleep mode and / or an idle mode to an operation mode. And at least one sensing data is received from the built-in sensor unit 145 of the battery 150.

When at least one sensing data is received from the internal sensor unit 145 of the battery 150, the controller 135 stores the received sensing data in the sensing data storage area of the memory unit 140. The sensing data storage area may be defined in at least one storage area of a user data area and / or a spare area on a memory map defined in the memory unit 140.

When the sensing data is stored in the sensing data area, the control unit 135 switches the operation mode of the RF unit 105 to a sleep mode and / or an idle mode. .

If the sensor tag 100 enters a radio frequency transmission / reception range of a specific RF reader, and / or receives a radio frequency signal from a specific RF reader, radio frequency transmission and reception with the RF reader is possible. The at least one sensing data stored in the sensing data storage area of the memory unit 140 may be transmitted to the RF reader according to at least one air interface standard.

When at least one sensing data stored in the sensing data storage area is transmitted to the RF reader, the controller 135 deletes the sensing data stored in the sensing data storage area and the sensing data storage area. Characterized in that the initialization.

Subsequently, the controller 135 receives at least one sensing data from the battery 150 built-in sensor unit 145 in association with the battery 150 built-in sensor unit 145 and is provided with the memory unit 140. Storing the sensing data storage area and / or transmitting at least one sensing data stored in the sensing data storage area to the RF reader.

Referring to FIG. 1, the sensor unit 145 of the sensor tag 100 having the sensor control function may include at least one of a temperature sensor and / or a pressure sensor and / or a humidity sensor and / or an acoustic sensor and / or an absorbance sensor. All kinds of sensors capable of sensing the above environmental variables At least one or more sensors 160 for detecting various environmental variables, and at least through the sensor 160 in response to a specific time and / or a specific event and / or a specific sensing And a sensor processing unit 155 for generating (or obtaining) predetermined sensing data corresponding to one or more environment variables and providing the generated (or obtained) sensing data to the RF unit 105. And a power required for the sensor 160 to detect at least one environmental variable, and the sensor processor 155 corresponding to at least one or more environmental variables through the sensor 160. And a battery 150 charging the power required to generate (or acquire) and process predetermined sensing data.

Those skilled in the art to which the present invention pertains may include any type of sensor capable of sensing at least one or more environmental variables such as temperature sensors and / or pressure sensors and / or humidity sensors and / or acoustic sensors and / or absorbance sensors. Since you will be familiar with various sensing techniques and mechanisms for the sensor 160, a detailed description thereof will be omitted for convenience.

In addition, at least one sensor unit 145 (or sensor 160) may be provided in the sensor tag 100, and the present disclosure is not limited thereto.

The sensor processor 155 periodically checks a sensing time, and when the sensing time is confirmed, generates (or obtains) predetermined sensing data corresponding to at least one or more environmental variables through the sensor 160. In order to check the sensing time, the sensor processing unit 155 may further include a predetermined timer (not shown). In this case, the battery 150 may perform the sensor until the sensing time is confirmed. It is preferable to supply only the minimum power required for checking the sensing time to the processor 155.

In addition, the sensor processor 155 periodically checks whether a sensing event occurs and generates a predetermined sensing data corresponding to at least one environment variable through the sensor 160 when a predetermined sensing event occurs. (Or acquiring), and the sensor processing unit 155 further includes at least one event checking function to check the sensing event, wherein the battery 150 is configured to detect the sensing event. Until it is confirmed, it is preferable to supply only the minimum power necessary for confirming the sensing event to the sensor processing unit 155.

According to the exemplary embodiment of the present invention, the sensing event may include a sensing command provided to the sensor unit 155 from the predetermined RF reader to the RF unit 105 according to at least one air interface standard. desirable.

In addition, the sensor processor 155 continuously (or periodically) detects a change in an environment variable through the sensor 160, and when a change in the environment variable is detected, the sensor processor 155 transmits a change to at least one environment variable through the sensor 160. And generating (or acquiring) corresponding predetermined sensing data, and the sensor processor 155 continuously (or periodically) controls the sensor 160 and changes the environment variable to detect the environment variable change. It is preferable that the battery 150 further includes a function for sensing, wherein the battery 150 is the minimum power required for the sensor processing unit 155 to continuously (or periodically) control the sensor 160 and detect environmental variables. It is preferable to feed only.

When predetermined sensing data corresponding to at least one or more environmental variables is generated (or obtained) through the sensor 160, the sensor processing unit 155 supplies the power charged in the battery 150 to the RF unit 105. When the RF unit 105 is activated (for example, when the condition that the RF unit 105 can react to the wake-up signal applied from the sensor processing unit 155 is confirmed) The sensor processing unit 155 may transmit a predetermined wakeup signal to the control unit 135 of the RF unit 105.

When the web take-up signal is received from the sensor processing unit 155, the control unit 135 of the RF unit 105 may change an operation mode of the RF unit 105 into a sleep mode and / or a stop mode ( Idle Mode) is switched to the operation mode, and the result is returned to the sensor processor 155.

When it is confirmed that the RF unit 105 has been switched to an operation mode, the sensor processing unit 155 may generate the RF sensing data generated (or obtained) corresponding to at least one environment variable through the sensor 160. Characterized in that the transmission to the control unit 135 of the unit 105.

When the sensing data is received from the sensor processing unit 155, the control unit 135 of the RF unit 105 stores the received sensing data in the sensing data storage area of the memory unit 140 and then the RF The operation mode of the unit 105 is switched back to the sleep mode and / or the idle mode.

2 is a diagram illustrating an operation process of the sensor unit 145 of the sensor tag 100 that provides a sensor control function according to an exemplary embodiment of the present invention.

In more detail, in FIG. 2, sensing data is generated (or obtained) at a specific time by the sensor unit 145 in the battery 150 included in the sensor tag 100 having the sensor control function illustrated in FIG. 1. In this case, after the wake-up signal is transmitted to the RF unit 105 to switch to the operation mode, the generated (or obtained) sensing data is transmitted to the RF unit 105 and transmitted to the memory unit 140. As a process, those skilled in the art to which the present invention pertains, the sensor unit 145 of the sensor tag 100 for providing the sensor control function by referring to and / or modified in the present Figure 2 Various operation processes may be inferred, but the present invention includes all the inferred implementation methods and is not limited to the implementation method illustrated in FIG.

Referring to FIG. 2, the sensor unit 145 incorporating the battery 150 included in the sensor tag 100 having the sensor control function shown in FIG. 1 is provided with a predetermined timer (not shown). The sensing time for generating (or acquiring) sensing data is periodically checked (200). If the sensing time is confirmed (205), the built-in sensor unit 145 of the battery 150 is connected to the battery 150. Any type of sensor 160 (eg, temperature sensor and / or pressure sensor and / or humidity sensor and / or acoustic sensor and / or absorbance sensor) that can sense at least one environmental variable using a charged power source A sensor generates (or obtains) predetermined sensing data corresponding to at least one environmental variable (210).

If predetermined sensing data corresponding to at least one or more environmental variables is generated (or obtained) (215), the built-in sensor unit 145 of the battery 150 stores the power charged in the battery 150 in FIG. 1. Supply to the RF unit 105 shown, and whether the RF unit 105 is activated (for example, the condition that can react to the wake-up signal applied from the sensor processing unit 155 in the RF unit 105 is confirmed) (220).

If it is confirmed that the RF unit 105 is activated (225), the built-in sensor unit 145 of the battery 150 transmits a predetermined wake-up signal to the RF unit 105, the RF unit 105 In operation 230, it is determined whether the operation mode is changed to the operation mode from the sleep mode and / or the idle mode.

If the switching of the operation mode of the RF unit 105 is confirmed (235), the built-in sensor unit 145 of the battery 150 transmits the generated (or acquired) sensing data to the RF unit 105 ( 240).

3 is a diagram illustrating an operation process of the sensor unit 145 of the sensor tag 100 that provides a sensor control function according to another exemplary embodiment of the present invention.

In more detail, in FIG. 3, sensing data is generated (or obtained) in response to a specific event by the built-in sensor unit 145 of the battery 150 included in the sensor tag 100 having the sensor control function illustrated in FIG. 1. ), The wake-up signal is transmitted to the RF unit 105 to switch to an operation mode, and the generated (or acquired) sensing data is transmitted to the RF unit 105 to the memory unit 140. Regarding the transmission process, a person having ordinary knowledge in the technical field to which the present invention belongs, the sensor unit 145 of the sensor tag 100 to provide the sensor control function by referring to and / or modifying the present Figure 3 It will be able to infer various operation process for, but the present invention includes all the inferred implementation method, and is not limited to the implementation method shown in FIG.

Referring to FIG. 3, the sensor unit 145 incorporating the battery 150 included in the sensor tag 100 having the sensor control function shown in FIG. 1 is used for generating (or obtaining) sensing data according to the present invention. The sensor 300 periodically checks a sensing event, wherein the sensing event includes a sensing command provided from the predetermined RF reader to the sensor unit 145 via the RF unit 105 according to at least one air interface standard. It is preferable.

If the sensing event is confirmed 305, the built-in sensor unit 145 of the battery 150 uses the power charged in the battery 150 to generate the sensor 160 (eg, a temperature sensor and / or a pressure sensor). And / or generate (or obtain) predetermined sensing data corresponding to at least one environmental variable through all kinds of sensors capable of sensing at least one environmental variable such as a humidity sensor and / or an acoustic sensor and / or an absorbance sensor. (310).

If predetermined sensing data corresponding to at least one or more environmental variables is generated (or obtained) (315), the built-in sensor unit 145 of the battery 150 stores the power charged in the battery 150 in FIG. Supply to the RF unit 105 shown, and whether the RF unit 105 is activated (for example, the condition that can react to the wake-up signal applied from the sensor processing unit 155 in the RF unit 105 is confirmed) (320).

If it is confirmed that the RF unit 105 is activated (325), the built-in sensor unit 145 of the battery 150 transmits a predetermined wake-up signal to the RF unit 105, the RF unit 105 In step 330, it is determined whether the operation mode is changed to the operation mode from the sleep mode and / or the idle mode.

If the switching of the operation mode of the RF unit 105 is confirmed (335), the built-in sensor unit 145 of the battery 150 transmits the generated (or acquired) sensing data to the RF unit 105 ( 340).

4 is a diagram illustrating an operation process of the sensor unit 145 of the sensor tag 100 that provides a sensor control function according to another exemplary embodiment of the present invention.

In more detail, in FIG. 4, sensing data is generated by detecting a change in the transformation variable in the sensor unit 145 of the battery 150 included in the sensor tag 100 having the sensor control function illustrated in FIG. 1. In case of acquisition), after transmitting the wake-up signal to the RF unit 105 to switch to the operation mode, the generated (or acquired) sensing data is transmitted to the RF unit 105 to the memory unit 140. As a person having ordinary knowledge in the art to which the present invention pertains, the sensor unit 145 of the sensor tag 100 providing the sensor control function by referring to and / or modifying the present invention. Various operating processes for the above) may be inferred, but the present invention includes all the inferred implementation methods and is not limited to the implementation method illustrated in FIG.

Referring to FIG. 4, the sensor unit 145 incorporating the battery 150 provided in the sensor tag 100 having the sensor control function shown in FIG. 1 performs generation (or acquisition) of sensing data according to the present invention. In order to check the environmental variable change continuously (or periodically) through the sensor 160 shown in Figure 1 (400), if the environmental variable change is confirmed (405), the battery 150 built-in sensor unit ( 145 uses at least one environment such as a sensor 160 (eg, a temperature sensor and / or a pressure sensor and / or a humidity sensor, and / or an acoustic sensor and / or an absorbance sensor) by using a power charged in the battery 150. The sensor generates (or obtains) predetermined sensing data corresponding to at least one or more environmental variables through all kinds of sensors capable of sensing the variable (410).

If predetermined sensing data corresponding to at least one or more environmental variables is generated (or obtained) (415), the built-in sensor unit 145 of the battery 150 stores the power charged in the battery 150 in FIG. Supply to the RF unit 105 shown, and whether the RF unit 105 is activated (for example, the condition that can react to the wake-up signal applied from the sensor processing unit 155 in the RF unit 105 is confirmed) (420).

If it is confirmed that the RF unit 105 is activated (425), the built-in sensor unit 145 of the battery 150 transmits a predetermined wake-up signal to the RF unit 105, the RF unit 105 In operation 430, it is determined whether the operation mode is changed to the operation mode from the sleep mode and / or the idle mode.

If the switching of the operation mode of the RF unit 105 is confirmed (435), the built-in sensor unit 145 of the battery 150 transmits the generated (or acquired) sensing data to the RF unit 105 ( 440).

5 is a diagram illustrating an operation of the RF unit 105 of the sensor tag 100 providing a sensor control function according to an exemplary embodiment of the present invention.

In more detail, in FIG. 5, when a predetermined power is supplied to the RF unit 105 provided in the sensor tag 100 having the sensor control function shown in FIG. 1, the power is supplied from the RF unit 105. Check whether the supply is supplied from the built-in sensor unit 145 of the battery 150, and if it is confirmed that the power is supplied from the built-in sensor unit 145 of the battery 150, the RF unit 105 After changing the state to the operation mode, the process of receiving the predetermined sensing data from the battery 150 built-in sensor unit 145, and storing and managing in the memory, the general knowledge in the technical field to which the present invention belongs If it is a person having, it will be able to infer a variety of operating process for the RF unit 105 of the sensor tag 100 to provide the sensor control function by referring to and / or modifying the present figure 5, the present invention is inferred Including all implementation methods It said, is not limited to the exemplary method shown in the figure 5.

Referring to FIG. 5, when a predetermined power is supplied to the RF unit 105 provided in the sensor tag 100 having the sensor control function shown in FIG. 1 (500), the RF unit 105 It is checked whether the battery 150 of the built-in sensor unit 145 of FIG. 1 is supplied from the battery 150 or whether the power is generated and supplied by the power unit 115 of FIG. 505).

If the power is generated and supplied by the power supply unit 115 shown in FIG. 1 (510), the RF unit 105 is at least stored in a sensing data storage area provided in the memory unit 140. At least one sensing data is transmitted to the RF reader (560), and the sensing data stored in the sensing data storage area (or transmitted to the RF reader) is deleted and initialized (565).

On the other hand, if the power is supplied from the battery 150 included in the battery 150 built-in sensor unit 145 shown in FIG. 1 (510), the RF unit 105 is the battery 150 built-in sensor unit ( In step 515, it is checked whether a predetermined wake-up signal is received.

If a predetermined wake-up signal is received from the sensor unit 145 in the battery 150 (520), the RF unit 105 operates in a sleep mode and / or an idle mode. In operation 525, it is checked whether predetermined sensing data is received from the built-in sensor unit 145 of the battery 150 (530).

If predetermined sensing data is received from the sensor unit 145 built in the battery 150 (535), the RF unit 105 stores the received sensing data in the sensing data storage area of the memory unit 140. In operation 545, the state of the RF unit 105 is switched from the operation mode to the sleep mode and / or the idle mode (545).

Thereafter, the RF unit 105 checks whether a radio frequency signal corresponding to at least one radio interface standard is received from a predetermined RF reader (550), and if the radio unit corresponds to at least one radio interface standard from a predetermined RF reader. When the radio frequency signal is received (555), the RF unit 105 transmits the sensing data stored in the sensing data storage area provided in the memory unit 140 to the RF reader (560), the sensing The sensing data stored in the data storage area (or transmitted to the RF reader) is deleted and initialized (565).

6 is a diagram illustrating a functional configuration of a sensor tag 600 having a sensor control function according to another exemplary embodiment of the present invention.

In more detail, FIG. 6 includes a predetermined sensor unit 645 in an active sensor tag 600 having an RF unit 605 that conforms to at least one RF communication standard, and the sensor unit 645 specifies a specific sensor unit 645. When sensing data corresponding to time and / or specific event and / or specific sensing is generated (or obtained), the sensor tag 600 providing the sensing data from the sensor unit 645 to the RF unit 605. As a method for implementing a functional configuration of the present invention, those skilled in the art to which the present invention pertains can refer to and / or modify this drawing 6 to implement various methods of implementing the sensor tag 600 having the sensor control function. It may be inferred, but the present invention includes all the inferred implementation methods and is not limited to the implementation method shown in FIG.

Referring to FIG. 6 according to an embodiment of the present invention, the RF unit 605 of the sensor tag 600 having the sensor control function transmits (or energy) a radio frequency signal with a predetermined RF reader and a predetermined frequency band. An antenna unit 610 serving as a source (powered), a memory unit 640 storing storage information including at least one response data to be transmitted to the RF reader, and the antenna unit 610 A receiver 625 for converting a radio frequency signal received through a digital signal corresponding to a predetermined RF communication protocol (for example, an RFID communication protocol) and providing the same to the controller 635 and received through the receiver 625. The RF signal may include a response signal corresponding to a digital signal, and / or a response signal dynamically generated by the controller 635, and / or a response signal corresponding to the response data extracted from the predetermined memory unit 640. Transmitter 630 for converting into a radio frequency signal corresponding to a communication protocol (eg, RFID communication protocol) and transmitting through the antenna unit 610, and corresponding to at least one RF communication standard of the RF unit 605 It controls the overall function, reads the digital signal received through the receiving unit 625 and generates a response signal corresponding thereto, and / or predetermined response data for generating the response signal to a predetermined memory unit ( And a controller 635 which extracts from 640 and controls a unique function of the RF unit 605.

In addition, the RF unit 605 further comprises a battery 615 for charging the power required to perform at least one or more functions provided in the RF unit 605 in conjunction with a predetermined RF reader. It is done.

The antenna unit 610 may receive a radio frequency signal transmitted from the RF reader when the RF unit 605 enters (or approaches a radio frequency field) a predetermined RF reader. Receives a signal containing a predetermined active signal and / or information (or data) through the (or apply) to the receiving unit 625, or a predetermined response signal and / to the RF reader via the radio frequency signal Or transmitting a signal including information (or data).

According to the exemplary embodiment of the present invention, the battery 615 is configured to supply the power to the transmitter 630 so that the RF unit 605 performs a communication function corresponding to at least one radio interface standard with a predetermined RF reader. And / or to the communication unit 620 including a receiving unit 625, and / or to supply the power to the control unit 635 to perform the function requested by the RF unit 605 from a predetermined RF reader. It is desirable to.

The receiver 625 is a demodulator for converting a radio frequency signal provided (or applied) through the antenna unit 610 into a predetermined digital signal, and provided (or applied) through the antenna unit 610. Demodulating the received radio frequency signal and receiving a digital signal including instructions and / or data corresponding to at least one RF communication protocol (eg, an RFID communication protocol) from the RF reader and providing the digital signal to the controller 635. It is done.

The transmitter 630 may generate a response signal of a digital signal received through the receiver 625 and / or a digital signal generated or extracted (eg, extracted from the memory unit 640) in the RF unit 605. Modulator for converting into a predetermined radio frequency signal for transmission to the RF reader through the antenna unit 610, when a predetermined digital signal is received through the receiver 625, at least one or more predefined Generating a predetermined response signal corresponding to response data corresponding to an RF communication protocol (eg, an RFID communication protocol) as a radio frequency signal for transmitting to the RF reader through the antenna unit 610, and / or the control unit Response data (and / or the controller 635) dynamically generated by 635 in response to at least one RF communication protocol (eg, RFID communication protocol) is predefined. Generating response data extracted from the memory unit 640 corresponding to at least one RF communication protocol (eg, an RFID communication protocol) as a radio frequency signal for transmitting to the RF reader through the antenna unit 610. And providing the generated radio frequency signal to the RF reader through the antenna unit 610, wherein the memory map includes at least one RFID code area (e.g., TID and / or EPC). Etc.), and / or at least one or more user data areas, and / or reserved areas.

Those skilled in the art to which the present invention pertains include preferred technical features of the receiver 625 having a radio frequency demodulation function, and preferred technical features of the transmitter 630 having a radio frequency modulation function. Since it will be familiar with and / or can be easily inferred, the detailed description thereof will be omitted for convenience.

The memory unit 640 is a generic term for a nonvolatile memory device included in the RF unit 605, and provides a read function by the controller 635 and / or a read / write function by the controller 635. When the memory provides only a read function by the controller 635, the memory includes a ROM (Read Only Memory) memory element, and the memory is read / write by the controller 635. In the case of providing the function, the write once read many (WORM) and / or write many (WM) memory devices are included.

In addition, the memory unit 640 is a predetermined RF in the RF unit 605 according to the RF operation procedure (eg, RFID tag operation procedure) on a memory map corresponding to at least one or more RF communication standards. And storing stored information including at least one response data to be answered by the reader.

According to an embodiment of the present invention, the response data includes an RFID code including at least one code system of an electronic product code (EPC) system and / or an ISO / IEC 15963 code system, and / or a UID system. It is preferable to make.

According to another exemplary embodiment of the present invention, the response data may include an RFID code including a user defined code system corresponding to an application field of the RF unit 605, in addition to the RFID code including the code system. It is preferable to comprise.

When the control unit 635 is provided with a program execution function, the memory unit 640 stores at least one or more program codes (and / or program data) executed through the control unit 635.

According to the exemplary embodiment of the present invention, the program code is preferably provided with a function of reading a digital signal received corresponding to at least one RF communication protocol (eg, an RFID communication protocol) through the receiving unit 625. In addition, the program data corresponding to the program code preferably comprises at least one or more reference data for reading the digital signal.

In addition, the program code has a function of verifying validity of a digital signal received in response to at least one RF communication protocol (eg, RFID communication protocol) through the receiving unit 625 (eg, checking a checksum). It is preferable to comprise a).

The program code may be based on a power supply state of the RF unit 605 and / or a digital signal received corresponding to at least one RF communication protocol (eg, an RFID communication protocol) through the receiving unit 625. It is preferable to have a function of transitioning the state of the RF unit 605 (for example, READY, ARBITRATE, REPLY, ACKNOWLEDGED, OPEN, SECURED, KILLED, etc.).

The program code may be configured to extract an RFID code corresponding to at least one response data to be responded to the RF reader among stored information on the memory map, and / or at least one record data received from the RF reader. It is preferable to have a function of recording in a specific data area on the memory map.

According to the present invention, at least one or more storage areas of a user data area and / or a spare area on the memory map defined in the memory unit 640 store at least one or more sensing data sensed by the sensor unit 645. And a sensing data storage area.

The controller 635 controls a function defined in the RF unit 605 according to an operation procedure of the RF unit 605 corresponding to at least one RF communication standard, and specifically, the receiver 625 is controlled. By controlling the radio frequency signal received from the RF reader to the antenna unit 610 by the receiving unit 625 converts into a predetermined digital signal corresponding to at least one RF communication protocol (for example, RFID communication protocol), Read the digital signal to perform a control function corresponding to the digital signal, and / or generate a predetermined response signal corresponding to the received digital signal, and / or the response from the memory unit 640. A function of extracting predetermined response data for generating a signal, and / or controlling the transmitter 630 to generate the predetermined response signal. It characterized in that to provide a range of functions for transmission to the RF reader and converted into a frequency signal through the antenna 610.

According to one embodiment of the present invention, the control unit 635 is preferably provided with a predetermined control logic (Control Logic) for performing the above control function.

According to another exemplary embodiment of the present invention, the control unit 635 preferably includes a predetermined program execution function for performing the control function as described above, and the control unit 635 includes at least one processor. And / or have at least one or more processors and execution memory (eg, random access memory (RAM), etc.).

According to the present invention, in order to provide the sensor control function, the control unit 635 periodically checks a sensing time, and when the sensing time is confirmed, powers the battery 615 to the sensor. Supplying to the unit 645 and requesting the sensor unit 645 to generate (or obtain) predetermined sensing data corresponding to at least one or more environmental variables through a predetermined sensor 655. In order to confirm the sensing time, the control unit 635 may further include a predetermined timer (not shown). In this case, the battery 615 may be configured to the control unit 635 until the sensing time is confirmed. It is desirable to supply only the minimum amount of power required for checking the sensing time.

In addition, the controller 635 periodically checks whether a sensing event occurs. When a predetermined sensing event occurs, the controller 635 supplies power of the battery 615 to the sensor unit 645, and the sensor unit 645. Request to generate (or obtain) predetermined sensing data corresponding to at least one environment variable through a predetermined sensor 655, and the controller 635 checks at least one of the sensing events. It is preferable that the event confirmation function is further provided. In this case, the battery 615 preferably supplies only the minimum power necessary for confirming the sensing event to the controller 635 until the sensing event is confirmed. .

According to the exemplary embodiment of the present invention, the sensing event may include the step of sending a predetermined sensing command from a predetermined RF reader according to at least one air interface standard.

In addition, the controller 635 continuously (or periodically) supplies power of the battery 615 to the sensor unit 645, thereby detecting a change in environmental variables continuously (or periodically) through the sensor unit 645. When the change of the environmental variable is detected, the sensor unit 645 requests to generate (or obtain) predetermined sensing data corresponding to at least one or more environmental variables through a predetermined sensor 655. In order to detect the environmental variable change, the sensor unit 645 may further include a function of detecting an environmental variable change continuously (or periodically) through the power source. In this case, the battery 615 may be It is preferable that the sensor unit 645 supplies only the minimum power necessary for continuously (or periodically) detecting the environmental variables.

Subsequently, when at least one sensing data is received from the sensor unit 645, the controller 635 stores the received sensing data in a sensing data storage area of the memory unit 640. The sensing data storage area is preferably defined in at least one storage area of a user data area and / or a spare area on the memory map defined in the memory unit 640.

If the sensor tag 600 enters a radio frequency transmission / reception range of a specific RF reader, and / or receives a radio frequency signal from a specific RF reader, radio frequency transmission and reception with the RF reader is possible. The at least one sensing data stored in the sensing data storage area of the memory unit 640 may be transmitted to the RF reader according to at least one air interface standard.

When at least one sensing data stored in the sensing data storage area is transmitted to the RF reader, the controller 635 deletes the sensing data stored in the sensing data storage area and deletes the sensing data storage area. Characterized in that the initialization.

Thereafter, the control unit 635 receives at least one sensing data from the sensor unit 645 in association with the sensor unit 645 and stores the sensing data in the sensing data storage area provided in the memory unit 640; And / or transmitting at least one sensing data stored in the sensing data storage area to the RF reader.

Referring to FIG. 6, the sensor unit 645 of the sensor tag 600 having the sensor control function may include at least one of a temperature sensor and / or a pressure sensor and / or a humidity sensor and / or an acoustic sensor and / or an absorbance sensor. All kinds of sensors capable of sensing the above environmental variables At least one sensor 655 for detecting various environmental variables and at least one environmental variable through the sensor 655 at the request of the RF unit 605. And a sensor processing unit 650 for generating (or obtaining) corresponding predetermined sensing data and providing the generated (or obtained) sensing data to the RF unit 605.

Those skilled in the art to which the present invention pertains may include any type of sensor capable of sensing at least one or more environmental variables, such as temperature sensors and / or pressure sensors and / or humidity sensors and / or acoustic sensors and / or absorbance sensors. Since you will be familiar with various sensing techniques and mechanisms for the sensor 655, a detailed description thereof will be omitted for convenience.

In addition, at least one sensor unit 645 (or sensor 660) may be provided in the sensor tag 600, and the present disclosure is not limited thereto.

The sensor processing unit 650 generates (or obtains) predetermined sensing data corresponding to at least one or more environmental variables through the sensor 655 at the request of the RF unit 605.

When predetermined sensing data corresponding to at least one environmental variable is generated (or obtained) through the sensor 655, the sensor processing unit 650 generates the at least one environmental variable through the sensor 655. (Or obtained) the sensing data is transmitted to the control unit 635 of the RF unit 605.

When the sensing data is received from the sensor processing unit 650, the control unit 635 of the RF unit 605 stores the received sensing data in the sensing data storage area of the memory unit 640 and then the RF The operation mode of the unit 605 is switched back to the sleep mode and / or the idle mode.

7 is a diagram illustrating an operation of the RF unit 605 of the sensor tag 600 providing a sensor control function according to an exemplary embodiment of the present invention.

In more detail, FIG. 7 generates predetermined sensing data through the sensor unit 645 at a specific time in the RF unit 605 included in the sensor tag 600 having the sensor control function shown in FIG. 6. Requesting (or acquiring), and storing and managing the generated (or acquired) sensing data in the memory unit 640, and those skilled in the art to which the present invention pertains, By referring to and / or modifying 7, various operation processes for the RF unit 605 of the sensor tag 600 providing the sensor control function may be inferred, but the present invention includes all the inferred implementation methods. It is not limited to the implementation method shown in FIG.

Referring to FIG. 7, the RF unit 605 included in the sensor tag 600 having the sensor control function illustrated in FIG. 6 generates sensing data according to the present invention through a predetermined timer (not shown). Acquisition of the sensing time periodically (700), if the sensing time is confirmed (705), the RF unit 605 transfers the power charged in the battery 615 to the sensor unit 645 By supplying at least one environmental variable such as a predetermined sensor 655 (for example, a temperature sensor and / or a pressure sensor and / or a humidity sensor and / or an acoustic sensor and / or an absorption sensor) provided in the sensor unit 645. All types of sensors that can be sensed) to generate (or obtain) predetermined sensing data corresponding to at least one or more environmental variables (710).

If predetermined sensing data corresponding to at least one or more environmental variables is generated (or obtained) (715), the RF unit 605 receives the generated (or obtained) sensing data from the sensor unit 645. In operation 720, the memory 640 is stored in the sensing data storage area of the memory unit 640.

Thereafter, the RF unit 605 checks whether a radio frequency signal corresponding to at least one radio interface standard is received from a predetermined RF reader (725).

On the other hand, when a radio frequency signal corresponding to at least one air interface standard is not received from a predetermined RF reader (730), the RF unit 605 generates at least one sensing data through the sensor unit 645 (or Obtaining and storing the same in the sensing data storage area of the memory unit 640.

On the other hand, when a radio frequency signal corresponding to at least one air interface standard is received from a predetermined RF reader (730), the RF unit 605 is stored in the sensing data storage area provided in the memory unit 640. The sensing data is transmitted to the RF reader (735), and the sensing data stored in the sensing data storage area (or transmitted to the RF reader) is deleted and initialized (740).

8 is a flowchart illustrating an operation of the RF unit 605 of the sensor tag 600 providing a sensor control function according to another exemplary embodiment of the present invention.

In detail, FIG. 8 illustrates sensing data through the sensor unit 645 in response to a specific event in the RF unit 605 included in the sensor tag 600 having the sensor control function shown in FIG. 6. Request for generating (or obtaining), and storing and managing the generated (or obtained) sensing data in the memory unit 640, and those skilled in the art to which the present invention pertains, Although various operations of the RF unit 605 of the sensor tag 600 for providing the sensor control function may be inferred by referring to and / or modifying the drawing 8, the present invention provides a method of inferring all It is not limited to the implementation method shown in FIG.

Referring to FIG. 8, the RF unit 605 included in the sensor tag 600 having the sensor control function illustrated in FIG. 6 periodically detects a sensing event for generating (or obtaining) sensing data according to the present invention. In operation 800, the sensing event may include a sensing command received from the predetermined RF reader to the RF unit 605 according to at least one air interface standard.

If the sensing event is confirmed (805), the RF unit 605 supplies the power charged in the battery 615 to the sensor unit 645, the predetermined predetermined provided in the sensor unit 645 At least one or more through sensors 655 (e.g. any type of sensor capable of sensing at least one or more environmental variables such as temperature sensors and / or pressure sensors and / or humidity sensors and / or acoustic sensors and / or absorbance sensors) A request is made to generate (or obtain) predetermined sensing data corresponding to an environment variable (810).

If the predetermined sensing data corresponding to at least one or more environmental variables is generated (or obtained) (815), the RF unit 605 receives the generated (or obtained) sensing data from the sensor unit 645 The memory 640 is stored in the sensing data storage area of the memory unit 640 (820).

Thereafter, the RF unit 605 checks whether a radio frequency signal corresponding to at least one radio interface standard is received from a predetermined RF reader (825).

On the other hand, if a radio frequency signal corresponding to at least one radio interface standard is not received from a predetermined RF reader (830), the RF unit 605 generates at least one sensing data through the sensor unit 645 (or Obtaining and storing the same in the sensing data storage area of the memory unit 640.

On the other hand, when a radio frequency signal corresponding to at least one air interface standard is received from a predetermined RF reader (830), the RF unit 605 is stored in the sensing data storage area provided in the memory unit 640. The sensing data is transmitted to the RF reader (835), and the sensing data stored in the sensing data storage area (or transmitted to the RF reader) is deleted and initialized (840).

9 is a diagram illustrating an operation of the RF unit 605 of the sensor tag 600 providing a sensor control function according to another exemplary embodiment of the present invention.

In more detail, FIG. 9 illustrates a case in which a change in the conversion variable is detected through the sensor unit 645 in the RF unit 605 provided in the sensor tag 600 having the sensor control function shown in FIG. 6. The present invention relates to a process of requesting to generate (or acquire) predetermined sensing data through the sensor unit 645, and to store and manage the generated (or obtained) sensing data in the memory unit 640. Those skilled in the art will be able to infer various operation processes for the RF unit 605 of the sensor tag 600 which provides the sensor control function by referring to and / or modifying the drawing 9. The present invention includes all the inferred implementation methods, and is not limited to the implementation method illustrated in FIG.

Referring to FIG. 9, the RF unit 605 included in the sensor tag 600 having the sensor control function shown in FIG. 6 is used to generate (or acquire) sensing data according to the present invention. The sensor unit 645 continuously checks the environmental variable change (or periodically) through the sensor unit 645. If the change in the variable environment is confirmed (905), the RF unit 605 is connected to the battery 615. By supplying the charged power to the sensor unit 645, a predetermined sensor 655 (eg, a temperature sensor and / or a pressure sensor and / or a humidity sensor and / or an acoustic sensor) provided in the sensor unit 645 and And / or all types of sensors capable of sensing at least one environmental variable, such as an absorbance sensor), to generate (or obtain) predetermined sensing data corresponding to the at least one or more environmental variables (910).

If the predetermined sensing data corresponding to at least one or more environment variables is generated (or obtained) (915), the RF unit 605 receives the generated (or obtained) sensing data from the sensor unit 645 The memory 640 is stored in the sensing data storage area of the memory unit 640 (920).

Thereafter, the RF unit 605 checks whether a radio frequency signal corresponding to at least one radio interface standard is received from a predetermined RF reader (925).

On the other hand, if a radio frequency signal corresponding to at least one radio interface standard is not received from a predetermined RF reader (930), the RF unit 605 generates at least one sensing data through the sensor unit 645 (or Obtaining and storing the same in the sensing data storage area of the memory unit 640.

On the other hand, when a radio frequency signal corresponding to at least one air interface standard is received from a predetermined RF reader (930), the RF unit 605 is stored in the sensing data storage area provided in the memory unit 640. The sensing data is transmitted to the RF reader (935), and the sensing data stored in the sensing data storage area (or transmitted to the RF reader) is deleted and initialized (940).

According to the present invention, by automatically determining whether the sensing data is generated (or obtained) in the tag having the RF communication function with the at least one sensor, and generating (or obtaining) important sensing data, the at least one sensor and the RF There is an advantage of efficiently managing the battery power provided in the tag having a communication function.

Claims (4)

It is provided with a predetermined memory and a predetermined power supply (or battery), and is connected to at least one or more sensors, RF communication function, characterized by periodically providing the power (or power) provided through the power supply unit (or battery) to the sensor, and receives predetermined data (or signal) from the sensor and stores it in the memory. This equipped tag. The tag of claim 1, wherein the tag having the RF communication function is provided. Tag having a RF communication function, characterized in that for transmitting the data (or signal) stored in the memory to a predetermined terminal. The method of claim 1, wherein the data (or signal) received from the sensor is The tag with an RF communication function characterized by the usual data (or signal) or abnormal data (or signal). A recording medium comprising a program for executing the tag function of claim 1.

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