TWM447562U - Wireless radio frequency identification apparatus - Google Patents

Description

Radio frequency identification device

The present invention relates to a radio frequency identification device, and more particularly to a radio frequency identification device capable of generating a message prompt and a controllable radio frequency identification distance.

With the advancement of technology, mobile phones have been widely used. In addition, mobile phones have also become light, thin, short, and small. The application devices and programs installed on mobile phones have also been developed. .

RFID (Radio Frequency Identification), which is often heard in recent years, is a radio frequency identification system that performs non-contact two-way data communication through radio frequency identification. A typical RFID system consists of a tag, a reader, and a computer. The system is composed of parts. The RFID tag stores encoded data in an agreed format for indicating the attached object. RFID technology can complete information input and processing without direct contact, optical visualization and manual intervention, and it is convenient and fast to operate. It can be widely used in production, logistics, transportation, transportation, medical, anti-counterfeiting, tracking, equipment and asset management, etc. The application area for processing data.

The working principle of the RFID system is that the reader sends a certain frequency of radio frequency signals through the antenna. When the RFID tag enters the reader working field, the antenna generates an induced current, so that the RFID tag is activated and sent to the reader. Information such as own coding. The reader receives the carrier signal from the tag, demodulates and decodes the received signal, and sends it to the host computer for processing.

Today, whether it is industry, logistics, medical care, or even simple to general personal lost items Searching, you can use the radio frequency identification technology to search, for example, at home, for small items, such as keys, mobile phones, watches, jewelry and other small objects to find, because these items are small, when searching It often takes a lot of time to find it, but no matter how difficult it is to search, it can be found for a stationary item as long as it takes more time. However, for people or items on the move, how to control the personnel or items in advance through the radio frequency identification technology, and when the device is triggered, a clear prompt message can be sent to the device. In order to inform the user that there is an event that wants to set the control.

In view of this, a radio frequency identification device capable of regulating the detection distance of the radio frequency identification and simultaneously displaying the correct and conspicuous message for prompting is highly sought by by those skilled in the art.

The main purpose of the present invention is to provide a radio frequency identification device capable of effectively regulating the effective distance of the radio frequency identification (RFID) and providing an accurate and conspicuous message for prompting when the measured object is out of the effective range of the set range.

In order to achieve the above object, the present invention provides a radio frequency identification device, including a radio frequency identification monitoring module and at least one radio frequency identification object module. The radio frequency identification monitoring module includes a receiving unit that receives radio waves within a set range through the signal transmission circuit, and the radio frequency identification processing chip of the receiving unit performs signal processing according to radio waves in the set range, and outputs a processing signal in response to the signal. The output unit outputs a prompt message in response to the processing signal of the receiving unit. The distance control unit is configured to adjust a setting range of radio waves that can be received by the receiving unit. At least one RFID component transmits radio waves through the signal transmission circuit. To familiarize yourself with The skilled person understands the purpose, features and effects of the present invention, and the present invention will be described in detail by the following specific embodiments and with the accompanying drawings.

The present invention will be explained below by way of an embodiment relating to a radio frequency identification (RFID) device. The radio frequency identification device of the present invention comprises a radio frequency identification monitoring module and at least one radio frequency identification object module, and the radio frequency identification monitoring module has a distance adjusting unit for adjusting the signal transmission circuit (ie, the antenna module). Receiving the setting range of the radio wave, and the output unit can output a prompt message, and the prompt message can output a prompt message through the display device, the buzzer, the horn, the vibration motor, the light or a combination of the foregoing components to remind the user . However, the embodiments of the present invention are not intended to limit any particular environment, application, or particular manner in which the present invention is implemented. Therefore, the description of the embodiments is merely illustrative of the present invention and is not intended to limit the present invention. It should be noted that in the following embodiments and drawings, components that are not directly related to the present invention have been omitted and are not shown; and for the sake of simplicity, the dimensional relationships between the components are not drawn to actual scales.

As shown in the first figure, it is an embodiment of a schematic diagram of a novel radio frequency identification (RFID) device 1. The radio frequency identification device 1 includes a radio frequency identification monitoring module 10 and at least one radio frequency identification object module 20. Although only one radio frequency identification object module 20 is shown in the first figure, the main purpose is to simplify the figure. The description of the affiliation between the modules in the radio frequency identification device 1 is such that at least one of the radio frequency identification object modules 20 is also within the scope of the novel.

The radio frequency identification monitoring module 10 includes a receiving unit 102 and an output unit 104. And distance control unit 106.

The receiving unit 102 receives the radio wave within the set range through the included signal transmission circuit 102a. It should be noted that the signal transmission circuit 102a, that is, the antenna module, is used for transmitting and receiving radio waves; and the setting range refers to the circumferential area formed by the radio frequency identification monitoring module 10 and the radius distance thereof. The range of radio waves that the radio frequency identification monitoring module 10 can receive.

The receiving unit 102 decodes and processes the radio frequency identification processing chip 102b after receiving the radio wave according to the radio wave in the set range, and outputs a corresponding processing signal to the output unit 104 in response thereto.

The output unit 104 outputs a prompt message in response to the processing signal output by the receiving unit 102 to remind the user. The prompt message of the output unit 104 can display a prompt message through a display device, such as an LCD screen, or generate a sound through a buzzer, causing the user's attention to inform the user that the tracked object has deviated from the set range of the radio wave, so that the user Can do further response.

In addition, the output unit 104 can also emit music or sound through the speaker to achieve the same prompt function as described above, or generate vibration through the vibration motor to remind the user that the tracked object has deviated from the setting range of the radio wave, and can also pass through Light prompts, including changes or flashes of light, to achieve a reminder of the user's effectiveness. However, the manner of prompting is not limited to the single prompt mode described above, and the combination of the horn and the vibration motor, or the change of the vibration motor and the light, or even the combination of the display device, the horn and the vibration motor, is within the scope of the present invention.

The distance adjusting unit 106 is configured to adjust a setting range of radio waves that can be received by the receiving unit 102. The radio frequency identification processing chip 102b of the receiving unit 102 can adjust the setting by power control according to the distance adjusting unit 106. The effective range of the range, the effective range of the setting range is between 1 meter and 10 meters, that is, the circumferential area of the radius of 1 meter to the circumferential area of the radius of 10 meters, all of which are the radio frequency identification monitoring module 10 Effective communication range. The distance control unit 106 allows the user to freely adjust the setting range so that the effective distance can be expanded or reduced according to the user setting, and the operating frequency of the radio wave within the set range is 433.92 MHz or 315 MHz.

At least one RFID module 20 transmits radio waves through the signal transmission circuit 202a through the respective radio frequency identification processing chips.

It should be noted that each radio frequency identification object module 20 can be programmed with a specific identification code, and the user can encode each radio frequency identification object module 20 according to the management requirements, and the radio frequency identification is performed. The monitoring module 10 can determine the difference of each of the RFID device modules 20 according to the logic operation, and immediately pass the radio frequency identification monitoring module 10 when the at least one RFID device module 20 is out of the setting range of the radio wave. The output unit 104 outputs a corresponding prompt message to the user to remind the user.

As shown in the second figure, it is an embodiment of the novel radio frequency identification device 1. In this embodiment, the radio frequency identification device 1 includes a radio frequency identification monitoring module 10 and radio frequency identification object modules 21, 22, and 23.

It should be noted that the radio frequency identification object module of the embodiment includes three, and each radio frequency identification object module 21, 22, 23 has a different identification code for differential identification.

The radio frequency identification monitoring module 10 includes a power supply unit 100, a receiving unit 102, an output unit 104, and a distance adjusting unit 106.

It should be noted that the power unit of the radio frequency identification monitoring module 10 of this embodiment 100 can be a dry battery. The power supply unit 100 is configured to provide power required by each unit of the radio frequency identification monitoring module 10. The power supply unit 100 has a rated voltage of 5V to 1.5V and a rated current of no more than 5 mA, and includes the receiving unit 102 mentioned above. Each unit or component, such as the output unit 104 and the distance control unit 106, is required to be supplied by the power supply unit 100.

The receiving unit 102 in the radio frequency identification monitoring module 10 receives the radio waves in the set range through the included signal transmission circuit 102a, and the radio frequency identification object modules 21, 22, 23 each include a specific identification code for The radio frequency identification monitoring module 10 decodes the radio waves emitted by the radio frequency identification object modules 21, 22, and 23 for reading.

The radio wave setting range is defined by the radio frequency identification monitoring module 10, and the circumferential area formed by the radius distance thereof is the range in which the radio frequency identification monitoring module 10 can receive radio waves.

The receiving unit 102 decodes the radio frequency identification processing chip 102b in the radio wave after receiving the radio wave in response to the radio wave in the set range to identify the received radio wave system by the radio frequency identification object module 21, 22, 23 Any one of them may be transmitted by a single RFID component module 21, or may be simultaneously transmitted by the RFID component 21 and the RFID component 22, and various combinations thereof are The range of the claimed invention can be effectively decoded and determined by the radio frequency identification monitoring module 10.

Then, the received signal is processed by the radio frequency identification processing chip 102b in the receiving unit 102, and the output unit 104 outputs a prompt message according to the processing signal of the receiving unit 102, and the prompt message is output in response to the corresponding processing signal. Displaying text messages through the RFID module or displaying sounds or A message such as a change in light source to alert the user.

In this embodiment, when the radio frequency identification object modules 21 and 22 are simultaneously separated from the set range of the radio wave, the radio frequency identification monitoring module 10 cannot receive the radio waves transmitted by the radio frequency identification object modules 21 and 22. The radio frequency identification monitoring module 10 will respond to the corresponding prompt message, including vibration, sound, and text display mode, to remind the user that the radio frequency identification object modules 21, 22 have left the set range.

As described above, the output unit 104 of the RFID module 10 outputs a prompt message to alert the user according to the processing signal output by the receiving unit 102. The prompt message of the output unit 104 can be transmitted through the screen to display that the RFID component modules 21 and 22 are out of the set range, and can also generate sound or music through the speaker, thereby attracting the user's attention to inform the user of the radio frequency identification. The object modules 21, 22 have been separated from the setting range of the radio waves, so that the user can make further responses.

It should be noted that the prompting mode is not limited to the sound or music emitted by the RFID module 10, and the vibration is generated by the RFID module 10, or the light source or the light source is changed, etc., which can be used to remind the user.

The distance adjusting unit 106 disposed in the radio frequency identification monitoring module 10 is configured to adjust a setting range of radio waves that can be received by the receiving unit 102. The radio frequency identification processing chip 102b of the receiving unit 102 can be adapted to the distance adjusting unit 106. The effective distance of the set range is adjusted by power control, and the effective range of the set range is between 1 meter and 10 meters, that is, a circumferential area with a radius of 1 meter to a circumferential area with a radius of 10 meters. Between the two, the effective communication range of the radio frequency identification monitoring module 10, that is, the user can freely adjust the setting range of the radio wave through the distance adjusting unit 106, so that the effective distance can be set by the user. Expanded or reduced, and the radio frequency within the set range is operated at 433.92 MHz or 315 MHz.

It should be noted that the radio frequency identification object modules 21, 22, and 23 of the present embodiment further include power supply units 210, 220, and 230, and the rated voltages thereof are 3.6V to 2.5V, and the rated current is not more than 2 mA. Radio waves are transmitted through the respective signal transmission circuits 212a, 222a, 232a.

It should be noted that the radio frequency identification object modules 21, 22, and 23 can be programmed with a specific identification code, and the user can encode the radio frequency identification object modules 21, 22, and 23 according to the management requirements. The radio frequency identification monitoring module 10 can determine the difference between the radio frequency identification object modules 21, 22, and 23 according to the logic operation, and immediately pass the radio frequency identification object modules 21, 22, and 23 out of the setting range of the radio wave. The output unit 104 of the radio frequency identification monitoring module 10 outputs a corresponding prompt message to the user to remind the user.

As shown in the third figure, another embodiment of the radio frequency identification device 1 is characterized in that the radio frequency identification object modules 21, 22, and 23 are disposed on a mobile phone, a leather article, or other items in the form of a mobile phone charm.

The radio frequency identification monitoring module 10 is a circuit device, and the finished product can be sized like a matchbox or a cigarette case to monitor the movement of the radio frequency identification object modules 21, 22, and 23.

As shown in the fourth figure, it is a further embodiment of the radio frequency identification device 1. For easier understanding of the embodiment, the first and second figures may be combined with the radio frequency identification monitoring module 10 of the foregoing embodiment. The difference is that the radio frequency identification monitoring module 10 of the embodiment is reduced and integrated into a small device. As shown in the fourth figure, the radio frequency identification monitoring module 10 is connected to an external device for outputting a prompt message. The photodiode 30 is integrated into the mobile phone charm 2, and the mobile phone 3 itself is a device for monitoring the radio frequency identification object modules 21, 22, and 23, that is, if the radio frequency identification object module 21, 22, 23 are separated from the effective distance, and the light-emitting diode 30 of the mobile phone charm 2 will emit light to remind the user.

In other words, the RFID module 10 can be connected to a separate circuit monitoring device through a built-in or external output unit (screen, motor, light source, etc.) to output corresponding prompt messages; The setting method is set in a mobile device such as a mobile phone, and the two are integrated and then transmitted through the mobile device to output a corresponding prompt message.

The method of integration can be as shown in the fourth figure, and the mobile phone charm 2 including the RFID module 10 is connected to the mobile phone 3 through the earphone hole, and can also be connected to the mobile phone 3 through the USB slot (not shown). It can also be connected to the mobile phone 3 through a 30-pin dock connector (not shown) or other ports.

It is worth mentioning that in the embodiment, the radio frequency identification receiving module 10 can obtain the required power through the mobile phone 3. That is, the radio frequency identification receiving module 10 can obtain the required power through the power supply of the mobile phone, and the rated voltage of the power source is 5V~1.5V, and the rated current is not. More than 5 mA, including the aforementioned receiving unit 102, output unit 104, distance adjusting unit 106 and other units or components, the required electrical energy can be provided by the power source of the mobile phone 3, or through the power of the power supply unit 100 The power sources of the mobile phone 3 are matched to each other to regulate the power.

The receiving unit 102 in the radio frequency identification monitoring module 10 receives the radio waves in the set range through the included signal transmission circuit 102a, and the radio frequency identification object modules 21, 22 and 23 each include a specific identification code for The radio frequency identification monitoring module 10 receives the radio frequency identification object module 21, 22, 23 The radio wave is decoded and then read.

The setting range of the radio wave refers to the radio frequency identification monitoring module 10, which is centered on the user of the mobile phone 3, and the circumferential area formed by the radius distance thereof is received by the radio frequency identification monitoring module 10. In the range of the radio wave, the receiving unit 102 decodes the radio frequency identification processing chip 102b after receiving the radio wave according to the radio wave in the set range, to recognize that the received radio wave system is modulated by the radio frequency identification object. Which of the groups 21, 22, 23 is transmitted, which may be transmitted by the single RFID component module 21, or may be simultaneously transmitted by the RFID component 21 and the RFID component 22 The various combinations are all within the scope of the present invention, and the radio frequency identification monitoring module 10 can perform effective decoding and judgment.

Then, the received signal is processed by the radio frequency identification processing chip 102b in the receiving unit 102, and the corresponding processing signal is outputted to the output unit 104, and the identification information can be displayed through the screen of the mobile phone 3, and Respond to related prompts, including changes in sound or light, to alert users.

In this embodiment, when the RFID devices 21 and 22 are simultaneously separated from the set range of the radio wave, the RFID module 10 cannot receive the radio waves transmitted by the RFID components 21 and 22. The radio frequency identification monitoring module 10 will output the corresponding processing signal to the mobile phone 3, and the screen of the mobile phone 3 will immediately display the message that the radio frequency identification object module 21, 22 is out of the set range, and at the same time cooperate with the vibration, sound, etc. of the mobile phone. A warning is given to remind the user that the radio frequency identification object modules 21, 22 are out of the set range.

As described above, the output unit 104 of the RFID module 10 outputs a prompt message to alert the user according to the processing signal output by the receiving unit 102. In the present embodiment, the prompt message of the output unit 104 is displayed on the screen of the mobile phone 3, and the radio frequency identification object modules 21 and 22 are out of the set range, and the sound or music is generated through the mobile phone speaker, thereby attracting the user's attention. The user is informed that the radio frequency identification object modules 21, 22 have deviated from the setting range of the radio wave, so that the user can further respond.

It should be noted that the prompting method is not limited to the sound or music of the mobile phone 3, and the vibration of the mobile phone 3 or the lighting of the hanging ornament 2 installed on the mobile phone 3 can be used to remind the user.

The distance adjusting unit 106 disposed in the radio frequency identification monitoring module 10 is configured to adjust a setting range of radio waves that can be received by the receiving unit 102. The radio frequency identification processing chip 102b of the receiving unit 102 can be adapted to the distance adjusting unit 106. The effective distance of the set range is adjusted by power control, and the effective range of the set range is between 1 meter and 10 meters, that is, a circumferential area with a radius of 1 meter to a circumferential area with a radius of 10 meters. The effective communication range of the radio frequency identification monitoring module 10 is that the user of the mobile phone 3 can set the distance adjusting unit 106 through the screen to freely adjust the setting range of the radio wave, so that the effective distance can be used. The user sets the expansion or reduction, and the radio frequency within the set range is operated at 433.92 MHz or 315 MHz.

The radio frequency identification object modules 21, 22, and 23 include power supply units 210, 220, and 230, and have a rated voltage of 3.6V to 2.5V, a rated current of not more than 2 mA, and are transmitted through the respective signal transmission circuits 212a, 222a, and 232a. Send radio waves.

It should be noted that the radio frequency identification object modules 21, 22, and 23 can be programmed with a specific identification code, and the user can encode the radio frequency identification object modules 21, 22, and 23 according to the management requirements. The radio frequency identification monitoring module 10 can be The logic operation determines the difference between the radio frequency identification object modules 21, 22, and 23, and immediately passes through the output unit of the radio frequency identification monitoring module 10 when the radio frequency identification object modules 21, 22, and 23 are out of the setting range of the radio wave. 104, output a corresponding prompt message to the user to remind the user.

The features and spirit of the present invention are intended to be more apparent from the detailed description of the preferred embodiments. On the contrary, the intention is to cover various modifications and equivalent arrangements within the scope of the claimed invention.

1‧‧‧radio frequency identification device

10‧‧‧Radio Frequency Identification Monitoring Module

20‧‧‧ Radio Frequency Identification Object Module

100‧‧‧Power unit

102‧‧‧ receiving unit

102a‧‧‧Signal transmission circuit

102b‧‧‧radio frequency identification processing chip

104‧‧‧Output unit

106‧‧‧ distance control unit

202a‧‧‧Signal transmission circuit

30‧‧‧Lighting diode

2‧‧‧Mobile phone straps

3‧‧‧Mobile phones

210, 220, 230‧‧‧ power supply unit

212a, 222a, 232a‧‧‧ signal transmission circuit

21, 22, 23‧‧‧ Radio Frequency Identification Object Module

The first figure is a schematic diagram of a radio frequency identification device; the second picture is an embodiment of a radio frequency identification device; the third picture is another embodiment of the radio frequency identification device; and the fourth picture is a radio frequency identification device Yet another embodiment.

1‧‧‧radio frequency identification device

10‧‧‧Radio Frequency Identification Monitoring Module

20‧‧‧ Radio Frequency Identification Object Module

102‧‧‧ receiving unit

102a‧‧‧Signal transmission circuit

202a‧‧‧Signal transmission circuit

102b‧‧‧radio frequency identification processing chip

104‧‧‧Output unit

106‧‧‧ distance control unit

Claims (10)

A radio frequency identification device includes: a radio frequency identification monitoring module, comprising: a receiving unit, receiving a radio wave in a set range through a signal transmission circuit, and the radio frequency identification processing chip of the receiving unit is in a range of wireless settings The radio wave performs signal processing and outputs a processing signal according to an output unit; an output unit outputs a prompt message according to the processing signal of the receiving unit; and a distance adjusting unit is configured to adjust a setting range of the radio wave that the receiving unit can receive. And at least one RFID component module for transmitting radio waves through the signal transmission circuit. For example, in the radio frequency identification device according to claim 1, the distance control unit can adjust the setting range, and the effective range of the setting range is between 1 meter and 10 meters. For example, in the radio frequency identification device described in claim 1, the radio wave operating frequency in the set range is 433.92 MHz. For example, in the radio frequency identification device described in claim 1, the radio wave operating frequency in the set range is 315 MHz. The radio frequency identification device of claim 1, wherein the radio frequency identification monitoring module comprises a power supply unit, wherein the power supply unit is configured to provide power required by the radio frequency identification monitoring module, and the rated voltage of the power unit is It is 5V~1.5V and the rated current is no more than 5mA. The radio frequency identification device of claim 1, wherein the at least one radio frequency identification object module comprises a power supply unit, wherein the power supply unit is configured to provide power required by the at least one radio frequency identification object module, the power supply unit The rated voltage is 3.6V~2.5V, and the rated current is no more than 2mA. For example, in the radio frequency identification device described in claim 1, the output unit of the radio frequency identification monitoring module transmits a prompt message through the sound change of the buzzer and the speaker. For example, in the radio frequency identification device of claim 1, the output unit of the radio frequency identification monitoring module transmits a prompt message through a vibration change of the vibration motor. For example, in the radio frequency identification device described in claim 1, the output unit of the radio frequency identification monitoring module transmits a prompt message by changing the light. The radio frequency identification monitoring module can be integrated into a mobile device as claimed in claim 1.