Card swiping response time detection method and device

Through the combination of the radiating sensor and photosensitive device, the occlusion level signal and read-write completion optical signal independently measure the card swipe response time, which solves the problem that the existing technology cannot measure the card swipe response time, and realizes the antenna card search time and external electromagnetic The full process of environmental impact measurements obtain reliable measurement results and low-cost devices.

CN114325309BActive Publication Date: 2025-01-10SHANGHAI HUAHONG JITONG SMART SYST
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Patent Information

Application Number
CN202111527174.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-12-14
Publication Date
2025-01-10
Estimated Expiration
2041-12-14

AI Technical Summary

Technical Problem

The prior art cannot independently measure the card swipe response time, and the measurement results do not include factors such as antenna card search time, external electromagnetic environment influence, and card swipe distance, resulting in the measurement results not being recognized by customers.

Method used

Through the combination of the radiating sensor and photosensitive device, the card swipe response time is independently measured using the occlusion level signal and read-write completion optical signal, including the antenna card search time and card read-write time, and interfering light is filtered through a monochrome filter , ensure the accuracy and independence of measurement results.

Benefits of technology

It realizes effective measurement of the entire process of card swiping, including antenna card search time, card reading and writing time and external electromagnetic environment. The measurement results are reliable and approved by customers, and the device is simple to manufacture and low cost.

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Abstract

The present invention provides a card swipe response time detection method, comprising the steps of: determining that the card is in an obstruction state when no detection light signal is received, and converting the obstruction state into an obstruction level signal; starting timing based on the obstruction level signal to detect the card swipe response time; when receiving a read / write completion light signal emitted by the light emitting device of the card swipe system when the card swipe is normal, converting the read / write completion light signal into a stop timing level signal; stopping timing based on the stop timing level signal, and displaying the timing result. The present invention can effectively, independently, and at a low cost measure the time of the entire process from the start of card swiping to the complete end of card swiping.
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Description

Technical Field

[0001] The present invention relates to the field of detection technology, and in particular to a card swiping response time detection method and device. Background Art

[0002] With the popularization of various IC cards such as access cards, membership cards, and meal cards, the response time of card swipe often becomes the focus of disputes between users and managers, and between managers and system developers. Devices that measure the response time of card swipe independently of the original application system will become an effective means to resolve these disputes.

[0003] Currently, there is no independent device on the market that can measure the response time of card swiping. Generally, the system's built-in software is used to measure the time interval between card swiping instructions. Such measurement generally has several problems: 1. It only measures the response time of the chip, and does not include the antenna card search time, external electromagnetic environment influence, card swiping distance and other software-independent times. 2. Since the measurement process is not completely independent of the original system, the measurement results are often not recognized by customers. Summary of the invention

[0004] In order to solve the above problem, the present invention provides a card swiping response time detection method, comprising the steps of:

[0005] When no detection light signal is received, it is determined to be in a blocking state, and the blocking state is converted into a blocking level signal;

[0006] Starting timing based on the occlusion level signal to detect the card swiping response time;

[0007] When receiving a read / write completion optical signal emitted by the light emitting device of the card swiping system when the card swiping is normal, converting the read / write completion optical signal into a stop timing level signal;

[0008] The timing is stopped based on the stop timing level signal, and the timing result is displayed.

[0009] In some embodiments, the timing is started based on the occlusion level signal to detect the card swiping response time, comprising the steps of:

[0010] When the timing is started, based on the card swiping sensing signal of the card swiping system, the card-seeking time of the card swiping antenna of the card swiping system is detected;

[0011] The card-searching time is the difference in reception time between the shielding level signal and the card-swiping sensing signal.

[0012] In some embodiments, the timing is started based on the occlusion level signal to detect the card swiping response time, comprising the steps of:

[0013] When the timing is started, based on the card swiping sensing signal of the card swiping system, the reading and writing time of the card swiping antenna of the card swiping system is detected;

[0014] The read / write time is the difference between the reception time of the card swiping sensing signal and the reception time of the stop timing level signal.

[0015] In some embodiments, when receiving the read / write completion optical signal emitted by the light emitting device of the card swiping system when the card swiping is normal, before converting the read / write completion optical signal into a stop timing level signal, the step further includes:

[0016] Selecting a monochromatic filter with the same color as the light emitting device;

[0017] The monochromatic filter is used to filter out interfering light other than the light signal of the light emitting device completing reading and writing.

[0018] A card swiping response time detection device, comprising:

[0019] The main control chip is connected to the beam sensor and the photosensitive device respectively;

[0020] The transmitting end and receiving end of the beam sensor are respectively installed on both sides of the card swiping antenna in the card swiping system;

[0021] The transmitting end of the through-beam sensor is used to transmit a detection light signal;

[0022] The receiving end of the through-beam sensor is used to determine that it is in a blocking state when the detection light signal cannot be received, and convert the blocking state into a blocking level signal and send it to the main control chip;

[0023] The main control chip is used to start timing upon receiving the blocking level signal to detect the card swiping response time;

[0024] The photosensitive device is aimed at the light emitting device of the card swiping system, and is used to receive the read / write completion optical signal emitted by the light emitting device when the card swiping is normal, convert the read / write completion optical signal into a stop timing level signal and send it to the main control chip;

[0025] The main control chip is used to receive the stop timing level signal to stop timing and output the timing result.

[0026] In some embodiments, it also includes:

[0027] The transmitting end of the through-beam sensor is used to transmit a detection light signal to the receiving end of the through-beam sensor when the power is turned on; when the card is swiped, the light signal is blocked so that the receiving end of the through-beam sensor is determined to be in a blocked state.

[0028] In some embodiments, it also includes:

[0029] The monochromatic filter is arranged between the photosensitive device and the light emitting device of the card swiping system, and is used to filter out interfering light other than the read / write completion optical signal of the light emitting device.

[0030] In some embodiments:

[0031] The photosensitive device includes a photosensitive device with preset parameters;

[0032] Wherein, when the photosensitive device receives the read / write completion optical signal, the voltage of the photosensitive device changes within a preset level range.

[0033] In some embodiments:

[0034] The main control chip includes an MCU, and the MCU is connected to the photosensitive device through a standard GPIO pin, and is used to determine the reception of the stop timing level signal when the voltage of the photosensitive device changes within a preset level range.

[0035] In some embodiments, it also includes:

[0036] A display is connected to the main control chip and is used to receive and display the timing result.

[0037] The card swiping response time detection method and device provided by the present invention have at least the following beneficial effects:

[0038] 1) The present invention can effectively measure the time of the entire process from the beginning of card swiping to the end of card swiping, including not only the antenna card search time and card reading and writing time, but also various dynamic times such as the influence of the external electromagnetic environment and the card swiping distance.

[0039] 2) The entire card swiping and testing process can be completely independent of the original system, and is intuitive and reliable. At the same time, its measurement results can be easily recognized by a variety of customers.

[0040] 3) The entire device of the present invention is simple to manufacture and has low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] The preferred implementation modes will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present invention.

[0042] Figure 1 It is a schematic diagram of a card swiping response time detection method in the present invention;

[0043] Figure 2 It is a schematic diagram of a card swiping response time detection device in the present invention;

[0044] Figure 3 It is a schematic diagram of a card swiping response time detection device in the present invention. DETAILED DESCRIPTION

[0045] In the following description, specific details such as specific system structures, technologies, etc. are provided for the purpose of illustration rather than limitation, so as to provide a thorough understanding of the embodiments of the present application. However, it should be clear to those skilled in the art that the present application may also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to prevent unnecessary details from obstructing the description of the present application.

[0046] It should be understood that when used in this specification and the appended claims, the term "comprising" indicates the presence of the described features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or collections.

[0047] In order to simplify the drawings, only the parts related to the present invention are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically drawn or marked. In this article, "one" not only means "only one", but also means "more than one".

[0048] It should be further understood that the term “and / or” used in the specification and appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0049] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0050] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the specific implementation methods of the present invention will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0051] In one embodiment, the present invention provides a card swipe response time detection method, such as Figure 1 As shown, the steps include:

[0052] S100 determines that the device is in a blocking state when no detection light signal is received, and converts the blocking state into a blocking level signal.

[0053] Specifically, the detection light signal may be a light signal emitted by the transmitting end of the through-beam sensor. If the receiving end of the through-beam sensor does not receive the detection light signal, the through-beam sensor determines that it is in a shielding state and converts the shielding state into a shielding level signal.

[0054] For example, when the IC card is brought close to the antenna of the card swiping system, while the card swiping system senses the IC card, the IC card also blocks the light signal emitted by the transmitting end of the corresponding sensor. At this time, the receiving end cannot receive the light signal, and the state of not receiving the signal is converted into a level signal and sent to the MCU.

[0055] S200 starts timing based on the shielding level signal to detect the card swiping response time.

[0056] In actual scenarios, the detection light signal may include light signals such as visible light, infrared light, etc. This detection light signal serves as a flag signal for starting detection.

[0057] S300: When receiving the read / write completion optical signal emitted by the light emitting device of the card swiping system when the card swiping is normal, convert the read / write completion optical signal into a stop timing level signal.

[0058] Specifically, after the external card swiping system finishes reading and writing the IC card, it notifies the user by lighting up the light emitting diode. This device receives the signal of IC card reading and writing completion through the corresponding monochromatic light filter and photosensitive device, and converts this signal into a level signal to stop timing and send it to the MCU.

[0059] S400 stops timing based on the timing stop level signal and displays the timing result.

[0060] Through the above steps, the tester can conveniently measure the time of the whole process from the beginning of card swiping to the complete completion of card swiping through the timing time displayed by the device.

[0061] The present invention determines the time of starting and ending card swiping through two groups of photoelectric signals, thereby achieving a measurement process independent of the original system.

[0062] In this embodiment, the present invention can effectively measure the time of the entire process from the start of card swiping to the end of card swiping, including not only the antenna card search time and card reading and writing time, but also various dynamic times such as the influence of the external electromagnetic environment and the card swiping distance.

[0063] The dynamic time here refers to the time when there is external electromagnetic interference or insufficient card swiping distance, etc. This part of time is also included in the detection time of this method, and this part of time will not be displayed and measured separately. This is conducive to detection in the actual production environment, and the detection data conforms to the actual production environment.

[0064] In one embodiment, the present invention provides a card swiping response time detection method, wherein the timing is started based on the shielding level signal in step S200 to detect the card swiping response time, comprising the steps of:

[0065] When the timing is started, the card-seeking time of the card-swiping antenna of the card-swiping system is detected based on the card-swiping sensing signal of the card-swiping system.

[0066] The card-searching time is the difference in reception time between the shielding level signal and the card-swiping sensing signal.

[0067] In one embodiment, the timing is started based on the shielding level signal to detect the card swiping response time, comprising the steps of:

[0068] When the timing is started, the reading and writing time of the card swiping antenna of the card swiping system is detected based on the card swiping sensing signal of the card swiping system.

[0069] The read / write time is the difference between the reception time of the card swiping sensing signal and the reception time of the stop timing level signal.

[0070] In this embodiment, the present invention can effectively measure the time from the start of card swiping to the end of the whole process. When there is no electromagnetic interference or card swiping distance and other factors, the antenna card search time and the card reading and writing time can be detected separately.

[0071] In one embodiment, the present invention provides a card swiping response time detection method, wherein, when receiving the read / write completion optical signal emitted by the light emitting device of the card swiping system when the card swiping is normal, before converting the read / write completion optical signal into a stop timing level signal, it also includes the steps of:

[0072] Select a monochromatic filter with the same color as the light emitting device.

[0073] The monochromatic filter is used to filter out interfering light other than the light signal of the light emitting device completing reading and writing.

[0074] In this embodiment, the light other than the light emitted by the light emitting device is filtered out by a monochromatic filter to avoid interference from other messy light, making the entire detection more accurate and efficient.

[0075] In one embodiment, based on the above embodiment, the same parts as the above embodiment will not be repeated one by one in this embodiment. The present invention provides a card swipe response time detection device, such as Figure 2 As shown, including:

[0076] The main control chip 100 is connected to the through-beam sensor 200 and the photosensitive device 300 respectively.

[0077] The transmitting end 201 and the receiving end 202 of the through-beam sensor 200 are respectively installed on the two sides of the card swiping antenna in the card swiping system.

[0078] The transmitting end 201 of the through-beam sensor is used to transmit a detection light signal.

[0079] The receiving end 202 of the through-beam sensor is used to determine that it is in a shielding state when the detection light signal cannot be received, and convert the shielding state into a shielding level signal and send it to the main control chip 100 .

[0080] The main control chip 100 is used to start timing upon receiving the shielding level signal to detect the card swiping response time.

[0081] Specifically, the main control chip may include an MCU, and the through-beam sensor may be a through-beam photoelectric sensor that emits optical signals such as visible light, infrared light, and laser.

[0082] Specifically, the detection light signal may be a light signal emitted by the transmitting end of the through-beam sensor. If the receiving end of the through-beam sensor does not receive the detection light signal, the through-beam sensor determines that it is in a shielding state and converts the shielding state into a shielding level signal.

[0083] For example, when the IC card is brought close to the antenna of the card swiping system, while the card swiping system senses the IC card, the IC card also blocks the light signal emitted by the transmitting end of the corresponding sensor. At this time, the receiving end cannot receive the light signal, and the state of not receiving the signal is converted into a level signal and sent to the MCU.

[0084] The photosensor 300 is aimed at the light emitting device of the card swiping system, and is used to receive the read / write completion optical signal emitted by the light emitting device when the card swiping is normal, convert the read / write completion optical signal into a stop timing level signal and send it to the main control chip 100.

[0085] The main control chip 100 is used to receive the timing stop level signal to stop timing and output the timing result.

[0086] Specifically, after the external card swiping system finishes reading and writing the IC card, it notifies the user by lighting up the light emitting diode. This device receives the signal of IC card reading and writing completion through the corresponding monochromatic light filter and photosensitive device, and converts this signal into a level signal to stop timing and send it to the MCU.

[0087] Through the above steps, the tester can conveniently measure the time of the whole process from the beginning of card swiping to the complete completion of card swiping through the timing time displayed by the device.

[0088] The present invention determines the time of starting and ending card swiping through two groups of photoelectric signals, thereby achieving a measurement process independent of the original system.

[0089] In one embodiment, it also includes: a transmitting end of the through-beam sensor, which is used to transmit a detection light signal to a receiving end of the through-beam sensor when the power is turned on; when the card is swiped, the light signal is blocked so that the receiving end of the through-beam sensor is determined to be in a blocked state.

[0090] In one embodiment, it also includes: a monochrome filter, which is arranged between the photosensor and the light-emitting device of the card swiping system, and is used to filter out interfering light other than the read-write completion optical signal of the light-emitting device.

[0091] In one embodiment: the photosensitive device comprises a photosensitive device with preset parameters.

[0092] Wherein, when the photosensitive device receives the read / write completion optical signal, the voltage of the photosensitive device changes within a preset level range.

[0093] In one embodiment: the main control chip includes an MCU, and the MCU is connected to the photosensitive device through a standard GPIO pin, and is used to determine the reception of the stop timing level signal when the voltage of the photosensitive device changes within a preset level range.

[0094] In some embodiments, it also includes: a display connected to the main control chip, used to receive the timing result and display it.

[0095] Based on the above embodiment, the parts in this embodiment that are the same as those in the above embodiment will not be described one by one. The present invention provides a card swiping response time detection device, including:

[0096] Figure 3 The blue part in the figure is the device, which consists of four parts: the through-beam sensor, the photosensitive device, the MCU and the display component. The transmitting end and the receiving end of the through-beam sensor are respectively installed on both sides of the card swiping antenna of the card swiping system, so that the signal emitted by the through-beam sensor can be blocked when the card is swiped. The photosensitive device is aligned with the light-emitting diode controlled by the card swiping system when the card is swiped normally, so that when the light-emitting diode is lit, its light can cause the photosensitive device in the device to operate. The test process includes the following steps:

[0097] Initial state: After the device is powered on, the through-beam sensor starts working. The transmitting end of the through-beam sensor transmits optical signals such as visible light and infrared light to the receiving end of the through-beam sensor. The receiving end converts the received optical signal into a level signal and sends it to the MCU.

[0098] S1. Place the IC card close to the antenna of the card swiping system. When the card swiping system senses the card, the IC card will also block the light signal emitted by the transmitting end of the sensor. At this time, the receiving end cannot receive the light signal, and the state of not receiving the signal is converted into a level signal and sent to the MCU.

[0099] S1.1. During the actual test, properly adjust the distance between the transmitter and receiver of the through-beam sensor so that the distance can just accommodate an IC card, thereby reducing the impact of occlusion by other objects.

[0100] S1.2. This device is not installed for long-term use, but is tested once. Therefore, in a single test, it is entirely possible to prevent other objects from blocking it manually.

[0101] S2. After receiving the blocking signal, the MCU immediately starts the timing function.

[0102] S3, after the external card swiping system finishes reading and writing the IC card, it notifies the user by lighting up the light-emitting diode. This device receives the signal of IC card reading and writing completion through the corresponding monochromatic light filter and photosensitive device, and converts this signal into a level signal to stop timing and sends it to the MCU.

[0103] S3.1. In order to reduce the influence of the environment and other interfering light on the measurement, this device adopts a replaceable monochromatic light filter. In actual measurement, a monochromatic light filter with the same color as the LED of the card swiping system is selected, so that only the light emitted by the LED of the card swiping system can pass through.

[0104] S3.2. The light passing through the monochromatic filter is irradiated onto the photosensitive device (which may be a photoresistor, photodiode, phototransistor, etc., which can change the voltage on it by light). Due to the irradiation of light, the photosensitive device will change its conductivity, thereby changing the voltage across the device.

[0105] S3.3. By selecting a photosensitive device with appropriate parameters, the voltage across the device changes between two levels, greater than or equal to 2V and less than or equal to 0.1V, depending on whether it is exposed to light or not.

[0106] S3.4, MCU reads the signal through the standard GPIO pin. When it finds that the signal on the corresponding GPIO pin changes, it considers that it has received the level signal to stop timing.

[0107] S4. After receiving the level signal for stopping timing, MCU stops the timing function immediately and displays the timing result through the display part.

[0108] Through the above steps, the tester can conveniently measure the time of the whole process from the beginning of card swiping to the complete completion of card swiping through the timing time displayed by the device.

[0109] The measurement logic of this device is simple, so a very cheap MCU can be used to realize time measurement and calculation. The other three components of this device, the radiation sensor, the photosensitive device and the display component, are very common components on the market, and their cost is also very low. In addition, the connection of the entire device is also very simple, so the entire device has the advantages of simple manufacturing and low cost.

[0110] The present invention can effectively measure the time of the whole process from the beginning of card swiping to the end of card swiping. It not only includes the antenna card search time and card reading and writing time, but also includes various dynamic times such as the external electromagnetic environment influence and card swiping distance. The whole card swiping and testing process can be completely independent of the original system, and is intuitive and reliable. At the same time, its measurement results can be easily recognized by various customers.

[0111] Those skilled in the art can clearly understand that, for the convenience and simplicity of description, only the division of the above-mentioned program modules is used as an example for illustration. In actual applications, the above-mentioned functions can be assigned to different program modules as needed, that is, the internal structure of the device can be divided into different program units or modules to complete all or part of the functions described above. The program modules in the embodiment can be integrated into a processing unit, or each unit can exist physically separately, or two or more units can be integrated into a processing unit, and the above-mentioned integrated unit can be implemented in the form of hardware or in the form of software program units. In addition, the specific names of the program modules are only for the convenience of distinguishing each other, and are not used to limit the scope of protection of this application.

[0112] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described or recorded in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0113] Those of ordinary skill in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented with electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed with hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.

[0114] In the embodiments provided in the present application, it should be understood that the disclosed devices and methods can be implemented in other ways. Exemplarily, the device embodiments described above are merely schematic. Exemplarily, the division of the modules or units is only a logical function division. There may be other division methods in actual implementation. Exemplarily, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection of the device or unit can be electrical, mechanical or other forms.

[0115] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0116] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0117] It should be noted that the above embodiments can be freely combined as needed. The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. A card swiping response time detection method, characterized in that: Includes steps: When no detection light signal is received, it is determined to be in a blocking state, and the blocking state is converted into a blocking level signal; Starting timing based on the occlusion level signal to detect the card swiping response time; When receiving a read / write completion optical signal emitted by the light emitting device of the card swiping system when the card swiping is normal, converting the read / write completion optical signal into a stop timing level signal; The timing is stopped based on the stop timing level signal, and the timing result is displayed.

2. The card swiping response time detection method according to claim 1, characterized in that: The timing is started based on the shielding level signal to detect the card swiping response time, comprising the steps of: When the timing is started, based on the card swiping sensing signal of the card swiping system, the card-seeking time of the card swiping antenna of the card swiping system is detected; The card-searching time is the difference in reception time between the shielding level signal and the card-swiping sensing signal.

3. The card swiping response time detection method according to claim 2, characterized in that: The timing is started based on the shielding level signal to detect the card swiping response time, comprising the steps of: When the timing is started, based on the card swiping sensing signal of the card swiping system, the reading and writing time of the card swiping antenna of the card swiping system is detected; The read / write time is the difference between the reception time of the card swiping sensing signal and the reception time of the stop timing level signal.

4. The card swiping response time detection method according to claim 1, characterized in that: When receiving the read / write completion optical signal emitted by the light emitting device of the card swiping system when the card swiping is normal, before converting the read / write completion optical signal into a stop timing level signal, the method further includes the following steps: Selecting a monochromatic filter with the same color as the light emitting device; The monochromatic filter is used to filter out interfering light other than the light signal of the light emitting device completing reading and writing.

5. A card swiping response time detection device, characterized in that: include: The main control chip is connected to the beam sensor and the photosensitive device respectively; The transmitting end and receiving end of the beam sensor are respectively installed on both sides of the card swiping antenna in the card swiping system; The transmitting end of the through-beam sensor is used to transmit a detection light signal; The receiving end of the through-beam sensor is used to determine that it is in a blocking state when the detection light signal cannot be received, and convert the blocking state into a blocking level signal and send it to the main control chip; The main control chip is used to start timing upon receiving the blocking level signal to detect the card swiping response time; The photosensitive device is aimed at the light emitting device of the card swiping system, and is used to receive the read / write completion optical signal emitted by the light emitting device when the card swiping is normal, convert the read / write completion optical signal into a stop timing level signal and send it to the main control chip; The main control chip is used to receive the stop timing level signal to stop timing and output the timing result.

6. The card swiping response time detection device according to claim 5, characterized in that: Also includes: The transmitting end of the through-beam sensor is used to transmit a detection light signal to the receiving end of the through-beam sensor when the power is turned on; when the card is swiped, the light signal is blocked so that the receiving end of the through-beam sensor is determined to be in a blocked state.

7. The card swiping response time detection device according to claim 5, characterized in that: Also includes: The monochromatic filter is arranged between the photosensitive device and the light emitting device of the card swiping system, and is used to filter out interfering light other than the read / write completion optical signal of the light emitting device.

8. The card swiping response time detection device according to claim 5, characterized in that: The photosensitive device includes a photosensitive device with preset parameters; Wherein, when the photosensitive device receives the read / write completion optical signal, the voltage of the photosensitive device changes within a preset level range.

9. The card swiping response time detection device according to claim 8, characterized in that: The main control chip includes an MCU, and the MCU is connected to the photosensitive device through a standard GPIO pin, and is used to determine the reception of the stop timing level signal when the voltage of the photosensitive device changes within a preset level range.

10. The card swiping response time detection device according to any one of claims 5 to 9, characterized in that: Also includes: A display is connected to the main control chip and is used to receive and display the timing result.

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