CN115225123A - Control system and method for enhancing stability of non-card-receiving card reading for POS machine - Google Patents
Control system and method for enhancing stability of non-card-receiving card reading for POS machine Download PDFInfo
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- CN115225123A CN115225123A CN202210837227.6A CN202210837227A CN115225123A CN 115225123 A CN115225123 A CN 115225123A CN 202210837227 A CN202210837227 A CN 202210837227A CN 115225123 A CN115225123 A CN 115225123A
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- 230000002708 enhancing effect Effects 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 230000002159 abnormal effect Effects 0.000 claims abstract description 14
- 230000005684 electric field Effects 0.000 claims description 26
- 230000005672 electromagnetic field Effects 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 11
- 230000008859 change Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- H04B5/77—
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10297—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves arrangements for handling protocols designed for non-contact record carriers such as RFIDs NFCs, e.g. ISO/IEC 14443 and 18092
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/12—Cash registers electronically operated
Abstract
The invention discloses a control system and a method for enhancing the stability of non-card-receiving card reading for a POS machine, wherein the control system comprises the following steps: the method comprises the steps of putting a card into a POS machine, then carrying out a card reading mode, determining that the card enters a card reading area, repeatedly searching the card within a time delay period, forming a detection signal and analyzing and processing the detection signal; if the detection signal is normal every time within the delay time, performing power-on transaction after the delay time; if the detection signal is abnormal at any time, the system directly returns to the original card reading mode to read the card again, searches the card and carries out a new round of circulating detection. According to the scheme, the time delay system is additionally arranged between the card searching and the power-on, the card is continuously checked in the time delay, the card return is required to be obtained every time, if all the card return is normal, the power-on and transaction processes are executed after the time delay, and therefore the card reading efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to a system and a method for enhancing card reading stability of a non-connected card on a POS machine.
Background
The indirect technology is a technology for realizing data exchange between a card reader and a card by using a 14443a &b protocol through a 13.56M carrier wave. The so-called NFC and contactless financial cards are applications of this technology; the method is widely applied to various fields such as financial payment, identity, wearability and the like.
In the application of a POS machine to read financial cards, in the process of entering a POS machine to identify an electric field, due to the influence of a card entering posture and environment, sometimes when a card reading state is met, the card is in a card reading blind area or a position with low electric field intensity, or the card is not placed stably, at the moment, the card reading can be failed easily, and user experience is influenced very much. Under the condition of not operating the POS machine, the card reading success rate is improved and is often an important index for measuring the POS hardware performance.
The use scene of non-card receiving is that a card holder holds the card, the card is directly placed above a card swiping mark of a POS machine to wait for the POS to execute transaction and prompt success, and the whole scene has a card entering process. Although the POS machine is provided with the mark to prompt the user to approximate the card swiping position, the card is not required to be completely contacted with the POS machine when the card is not received and read, so that the card entering, the card entering time and the specific card entering position of the user cannot be specified.
When the non-connection card enters an electric field provided by a non-connection module of the POS machine, the energy provided by the electric field is obtained, the non-connection card is coupled through a coil of the non-connection card and then powers on an internal chip, and then the transmitting waveform of the POS machine is modulated to return data to the POS machine. The process is repeated continuously in the whole card reading process to realize the non-connected card reading protocol.
The protocol is simply divided into three steps, card-seeking, power-on and transaction.
The card reading protocol sequentially searches for the card for the POS machine, the card returning instruction indicates that the card exists, the POS machine sends a command for electrifying the card, the card returns to electrify successfully, and the POS machine and the card complete the whole transaction process by data back and forth.
As can be seen from the above steps, there is a time difference between each step.
Although the time of one round trip data can be basically considered to be within several milliseconds, such as card searching and card returning, the different steps are often delayed by tens of milliseconds, for example, card searching and power-on are separated by tens of milliseconds, and the tens of milliseconds are enough for a card user to change the position of the card in the card entering process, and possibly, the card searching card at the previous moment is already in a blind area in an electric field, or the user directly takes away the card, the transaction can be directly stopped and failed, and the efficiency of the card reading transaction is greatly reduced.
Therefore, how to improve the card reading efficiency of the non-contact card for POS is a problem to be solved in the field.
Disclosure of Invention
Aiming at the technical problem that the non-contact card reading efficiency of the existing POS machine is low, the invention aims to provide a system for enhancing the stability of the non-contact card reading, which can judge whether a user stably places a card or not so as to increase the success rate of card reading; on the basis, a method for enhancing the stability of the card reading without card receiving is also provided, and the card reading efficiency is greatly improved.
In order to achieve the above object, the present invention provides a control method for enhancing stability of card-non-connected reading for a POS machine, including:
the method comprises the steps of putting a card into a POS machine, then carrying out a card reading mode, determining that the card enters a card reading area, repeatedly searching the card within a time delay period, forming a detection signal and analyzing and processing the detection signal;
if the detection signal in each time within the delay time is normal, performing power-on transaction after the delay time; if the detection signal is abnormal at any time, the method directly returns to the initial card reading mode to read the card again, searches the card and performs a new round of cycle detection.
Furthermore, the non-contact module is opened through the POS machine, the non-contact module starts the electric field, the non-contact card is moved to enter the electromagnetic field and the POS machine to conduct data interaction for card reading, the POS machine sends a card searching command in the electric field at the beginning, the equipment is enabled to continuously search whether the non-contact card entering the electric field exists or not, and when the card enters the electric field, the POS machine can be replied to prompt that the card exists.
Furthermore, by setting the time delay, the POS machine does not execute instructions except for card searching, only continuously and circularly detects the card, and continuously detects whether the card stably exists in the electric field in the time.
Further, the instruction for prompting the existence of the card, which is returned to the POS machine by the non-connected card, is transmitted to the main chip for processing through the non-connected module in the POS machine, and the main chip can know whether the state of the card is stable or not through the data.
Further, if the detection signal is abnormal, in a time delay period, the card searching is carried out any time without card feedback, the abnormal position of the card is prompted, at the moment, the main chip of the POS machine controls the non-connection module to exit from the current mode, the timing is not carried out any more, and the POS machine returns to the initial card searching mode.
In order to achieve the above object, the present invention provides a system for enhancing stability of card reading without card receiving on a POS machine, including: the system comprises a card reading module, a time delay module, a card searching module and a transaction module;
the card reading module reads the card and confirms whether the card enters the electric field of the POS machine;
after the determination, triggering the delay module, and repeatedly searching the card and forming a detection signal by the card searching module within the time set by the delay module;
if the detection signal is normal, sending an instruction to the transaction module after the time set by the delay module, and carrying out power-on transaction;
if any detection signal in the multiple detection signals is abnormal, the circular card detection mode is exited, the card directly returns to the card reading module to perform a new round of card reading and card searching, and the transaction module performs power-on transaction until the detection signals are normal.
According to the control method and the control system for enhancing the stability of the non-connected card reading of the POS machine, the time delay system is added between the card searching and the power-on, the card is continuously detected in the time delay, the card must be returned every time, if all the card is normal, the power-on and transaction processes are executed after the time delay, and therefore the card reading efficiency is greatly improved.
Drawings
The invention is further described below in conjunction with the appended drawings and the detailed description.
FIG. 1 is a schematic flow chart of the method for enhancing stability of card reading without card receiving;
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
Aiming at the technical problem that the non-contact card reading efficiency of the existing POS machine is low, based on the technical problem, the invention aims to provide a method for enhancing the stability of the non-contact card reading on the POS machine, which can judge whether a user stably places a card or not so as to increase the success rate of card reading.
Referring to fig. 1, the control method for enhancing stability of card-not-connected card reading for the POS machine provided by the present solution includes:
the POS machine is opened with the non-connection module, the non-connection module starts to start the electric field, after a card is placed in an electromagnetic field of the POS machine, the card is subjected to data interaction with the POS machine to read a card mode, the POS machine sends a card searching instruction in the electric field at the beginning, equipment is enabled to continuously search whether the card enters the electric field, and when the card enters the electric field, the POS machine can be replied to prompt that the card exists.
And setting a time delay, wherein in the time delay, the POS machine does not execute instructions except for card storage, but only continuously and circularly detects the card, and continuously detects whether the card is stably in the electric field or not by repeatedly searching the card and forming a detection signal in the time delay after the card is determined to enter a card reading area.
The instruction of the card for prompting the existence of the card returned to the POS machine is transmitted to the main chip for processing through the non-connection module in the POS machine, and the main chip can know whether the state of the card is stable or not through the data.
If the detection signal in each time within the delay time is normal, performing power-on transaction after the delay time; if any detection signal is abnormal, namely the corresponding card searching command of the card is abnormal, the card searching is not fed back by the card at any time within the time delay period, the abnormal position of the card is prompted, at the moment, the main chip of the POS machine controls the non-connection module to exit, the POS machine directly returns to the initial card reading mode to read the card again, the card searching is carried out, and the new round of cycle detection is carried out.
On this basis, the last system that an reinforcing non-connects the card and reads card stability of POS machine that this scheme provided, it includes: the system comprises a card reading module, a time delay module, a card searching module and a transaction module.
Firstly, the card reading module reads the card and confirms whether the card enters the electric field of the POS machine.
And after the determination, triggering the delay module, and repeatedly searching the card and forming a detection signal by the card searching module within the time set by the delay module.
If the detection signal is normal each time, after the time set by the delay module, an instruction is sent to the transaction module to carry out power-on transaction.
If any detection signal in the detection signals for multiple times is abnormal, the card detection mode is exited, the card module is directly returned to perform a new round of card reading and card searching, and the transaction module is used for performing power-on transaction until the detection signals are normal.
The time set by the delay module is not limited, and the scheme is preferably within 200ms so as to avoid influencing the card reading time and reduce the use experience; the specific application may be determined based on the actual situation.
The system and the method for enhancing the stability of the non-connected card reading on the POS machine, which are formed by the scheme, improve the card reading performance through a flow, and the flow is based on a card reading protocol and does not change any hardware, so the universality is strong and the cost performance is high; the flow is loaded in a driver layer protocol of firmware, and the core idea is mainly to judge whether a user stably places a card or not so as to increase the card reading success rate.
The working process of the scheme in use is illustrated below; it should be noted that the following description is only a specific application example of the present solution and is not intended to limit the present solution.
Referring to fig. 1, firstly, a card holder puts a card close to a POS machine, first reads the card through a card reading module, and after reading the card, the card enters a POS machine electric field, but the card is not put in place and is stably put, at this time, a delay module in the POS machine starts, and the POS machine waits for a little bit.
Within the delay time T set by the delay module, the card searching module continuously detects the card and then returns the card, and repeatedly confirms that the card is not moved out of the electric field and is moved to an electric field blind area (such as a blind area caused by antenna self factors and environmental factors) caused by any reason.
If the card is in the return state all the time within the delay time T, the card is basically in the stable state, and then the next step of electrifying transaction instruction is continuously executed after the delay time T, so that the electrifying and transaction processes are carried out.
If the card searching command is not returned at any time within the delay time T, the card position is abnormal, at the moment, the error is not reported, but the card searching cycle is exited, and a new round of card reading and card searching is carried out.
If the existence of the card is detected again, the card does not have an unstable state, and then the card is repeatedly confirmed whether the state of the card is stable or not within a delay time. The design can not cause frequent error reporting.
In summary, a time delay system is added between card searching and power-on, the card is continuously detected within the time delay, the card must be returned every time, and if all the cards are normal, the power-on and transaction processes are executed after the time delay, so that the card reading efficiency is greatly improved.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A control method for enhancing stability of non-card-receiving card reading for a POS machine is characterized by comprising the following steps:
the method comprises the steps of putting a card into a POS machine, then carrying out a card reading mode, determining that the card enters a card reading area, repeatedly searching the card within a time delay period, forming a detection signal and analyzing and processing the detection signal;
if the detection signal is normal every time within the delay time, performing power-on transaction after the delay time; if the detection signal is abnormal at any time, the system directly returns to the original card reading mode to read the card again, searches the card and carries out a new round of circulating detection.
2. The control method for enhancing the stability of the non-connected card reading for the POS machine according to claim 1, wherein the non-connected module is turned on by the POS machine, the non-connected module starts an electric field, the non-connected card is moved into an electromagnetic field to perform data interaction with the POS machine for card reading, a card searching command is sent by the POS machine in the electric field at the beginning, the device continuously searches whether the non-connected card entering the electric field exists or not, and when the card enters the electric field, the POS machine is replied to prompt that the card exists.
3. The control method of claim 1, wherein the delay is set such that the POS does not execute any command other than card search, and only continuously and cyclically checks the card during the delay, and continuously checks whether the card is stably present in the electric field during the period.
4. The control method for enhancing card reading stability of the POS machine according to claim 1, wherein the instruction for prompting the existence of the card returned by the non-connected card to the POS machine is transmitted to the main chip for processing by the non-connected module in the POS machine, and the main chip can know whether the state of the card is stable or not through the data.
5. The control method for enhancing stability of the card reading without card connection of the POS machine according to claim 1, wherein if the detection signal is abnormal, the card searching is not fed back by the card any time within the delay time period, which prompts that the position of the card is abnormal, and at this time, the main chip of the POS machine controls the card reading module to exit from the current mode, and the POS machine returns to the initial card searching mode without timing.
6. A system for enhancing the stability of a non-docked card reading for a POS machine, comprising: the system comprises a card reading module, a time delay module, a card searching module and a transaction module;
the card reading module reads the card and confirms whether the card enters the electric field of the POS machine;
after the determination, triggering the delay module, and repeatedly searching the card and forming a detection signal by the card searching module within the time set by the delay module;
if the detection signal of each time is normal, sending an instruction to the transaction module after the time set by the delay module, and carrying out power-on transaction;
if any detection signal in the detection signals for multiple times is abnormal, the card detection mode is exited, the card module is directly returned to perform a new round of card reading and card searching, and the transaction module is used for performing power-on transaction until the detection signals are normal.
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| CN202210837227.6A CN115225123A (en) | 2022-07-15 | 2022-07-15 | Control system and method for enhancing stability of non-card-receiving card reading for POS machine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976325A (en) * | 2010-10-26 | 2011-02-16 | 佛山市天瞳智能设备有限公司 | Method for solving problem of transaction failure due to card reading failure by card reader |
| CN102880842A (en) * | 2012-08-16 | 2013-01-16 | 飞天诚信科技股份有限公司 | Method for enhancing communication stability between non-contact card and card reader |
| KR20190032131A (en) * | 2017-09-19 | 2019-03-27 | 주식회사 에이텍에이피 | Card-reader module and automatic teller machine |
| CN110969782A (en) * | 2019-11-13 | 2020-04-07 | 上海动联信息技术股份有限公司 | Non-card-receiving card reading method for POS machine |
| CN111953388A (en) * | 2020-10-19 | 2020-11-17 | 深圳市力博得科技有限公司 | Control method, system, device and medium for preventing near field transmission misidentification |
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- 2022-07-15 CN CN202210837227.6A patent/CN115225123A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976325A (en) * | 2010-10-26 | 2011-02-16 | 佛山市天瞳智能设备有限公司 | Method for solving problem of transaction failure due to card reading failure by card reader |
| CN102880842A (en) * | 2012-08-16 | 2013-01-16 | 飞天诚信科技股份有限公司 | Method for enhancing communication stability between non-contact card and card reader |
| KR20190032131A (en) * | 2017-09-19 | 2019-03-27 | 주식회사 에이텍에이피 | Card-reader module and automatic teller machine |
| CN110969782A (en) * | 2019-11-13 | 2020-04-07 | 上海动联信息技术股份有限公司 | Non-card-receiving card reading method for POS machine |
| CN111953388A (en) * | 2020-10-19 | 2020-11-17 | 深圳市力博得科技有限公司 | Control method, system, device and medium for preventing near field transmission misidentification |
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