CN115223309A - POS machine card reading method and system for synchronously enhancing card reading performance of contact card and non-contact card - Google Patents
POS machine card reading method and system for synchronously enhancing card reading performance of contact card and non-contact card Download PDFInfo
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- CN115223309A CN115223309A CN202210836381.1A CN202210836381A CN115223309A CN 115223309 A CN115223309 A CN 115223309A CN 202210836381 A CN202210836381 A CN 202210836381A CN 115223309 A CN115223309 A CN 115223309A
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 230000002708 enhancing effect Effects 0.000 title claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims description 48
- 230000001960 triggered effect Effects 0.000 claims description 8
- 230000005684 electric field Effects 0.000 claims description 5
- 230000003993 interaction Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/0009—Details of the software in the checkout register, electronic cash register [ECR] or point of sale terminal [POS]
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/0018—Constructional details, e.g. of drawer, printing means, input means
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/0036—Checkout procedures
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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
- G07G1/14—Systems including one or more distant stations co-operating with a central processing unit
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Abstract
The invention discloses a POS machine card reading method and a POS machine card reading system for synchronously enhancing the card reading performance of a contact card and a non-contact card, wherein the POS machine card reading method comprises the following steps: firstly, normally reading a card of a non-connected card after the POS senses the non-connected card; if the execution of the non-connected card fails, only the contact card is detected in the time delay, and the non-connected card is not detected; if the contact card is read in the time delay, the power-on transaction is directly carried out on the contact card; if the contact card cannot be read, the non-contact card is read again after the time-out. The contact card is detected within the delay time by setting a time delay after the power-on fails in the process of reading the non-contact card, and the non-contact card is detected again after the time-out, so that the card reading performance of the contact card and the non-contact card can be improved simultaneously.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to a POS machine card reading method and a POS machine card reading system for synchronously enhancing the card reading performance of a contact card and a non-contact card.
Background
At present, financial cards issued by banks are all non-contact and contact IC cards which are manufactured on the same card sheet, and in the application of a POS machine for reading the financial cards, one POS machine is also often provided with two card reading modules of the non-contact card and the contact card, namely the IC card. Therefore, the design scheme has the situation that the IC card reading fails in specific application, and the specific reasons are as follows:
(1) The POS machine is limited by the appearance structure design and the internal space of the POS machine, and when the IC card and the card-non-receiving reading module are in a very close distance or a situation of being close to and overlapped in the POS machine. The contactless module and the contact IC module of the POS are often opened simultaneously in use to facilitate the user to insert or swipe the card at will.
In this case, when the guest selects to insert the contact IC card, the card-unconnected module of the POS device detects the card in the air from the direction of the IC card slot, but since the card is inserted from this direction, the card-reading performance of the unconnected card is weak, which results in the failure of the card-reading process.
Although the time of the non-card-receiving transaction is short, the whole card reading process is basically completed within 100-200 ms, the failure rate of data with a plurality of bytes is high in the movement process of inserting the card into the card slot, and the whole card reading process is difficult to complete, so that the failure is mainly caused by the failure of the non-card-receiving card reading in the direction, and the user experience is greatly influenced;
(2) The main reason for the card reading failure of the non-connected card is the existence of a card reading blind area.
According to the coil coupling principle, when the single sides of the two coils are close to or even overlapped, the coupling coefficient is extremely small, and the energy transfer is extremely poor. The working principle of the non-card-receiving sheet is to obtain the energy transmitted by the POS machine and return the data to the POS machine after the POS machine starts to work.
When a card is inserted into the IC card slot, the coil inside the card can gradually approach the coil inside the POS machine, when one side of the coil of the card is close to one side of the coil of the POS machine, even overlapping is formed, energy transmission disappears, the card cannot obtain energy to return data to the POS machine, and a blind area is formed in the area. A blind area is generally an area a few millimeters wide, in which the card reading process fails directly regardless of the step to which it is carried.
So there are two possibilities for the initial state card reading to succeed:
(1) The card is inserted into the bottom of the contact IC card slot at a higher speed, so that the contact card is directly sensed when the POS machine cannot sense the non-contact card.
(2) The IC card is inserted at a slower speed, so that the non-card-receiving module of the POS directly reads the card data completely to complete the transaction, for example, the card is sensed and read before entering the blind area, or the card is not detected completely before the card is sensed and read after passing the blind area.
However, the two methods have high requirements on the card-inserting speed of users, so that the requirements are not in accordance with practical use.
Therefore, the probability of card reading failure is greatly improved due to the three reasons, and therefore, how to simultaneously enhance the card reading performance of the contact card and the card reading performance of the non-contact card is a problem to be solved in the field.
Disclosure of Invention
Aiming at the technical problem of high failure rate of the conventional contact card and non-contact card reading, the invention aims to provide a POS machine reading method for synchronously enhancing the card reading performance of the contact card and the non-contact card, which effectively improves the card reading failure conditions of the contact card and the non-contact card and greatly improves the card reading performance of the contact card and the non-contact card; on the basis, a system for simultaneously enhancing the performance of the contact card and the non-contact card reading is also provided, and the problems in the prior art are well overcome.
In order to achieve the above object, the present invention provides a method for reading a card by a POS machine, which synchronously enhances the card reading performance of a contact card and a non-contact card, comprising:
firstly, simultaneously opening detection channels of a non-contact card and a contact card, and detecting the non-contact card and the contact card;
if the POS senses the non-connected card, the card is normally read;
if the execution of the non-connected card fails, only the contact card is detected in the time delay, and the non-connected card is not detected;
if the contact card is read in the time delay, the power-on transaction is directly carried out on the contact card; if the contact card cannot be read, the non-contact card is read again after the time-out.
Further, the POS machine simultaneously turns on the non-contact card and the contact card detection scan, that is, the device is in a state of cyclically scanning the SPI interface of the non-contact card chip and the switch signal of the contact card, and if a signal is received on any interface, it indicates that there is a corresponding non-contact card or contact card sensed by the device.
Further, if the signal return is detected at the SPI port of the non-card-connected chip, it indicates that a non-card enters the electric field of the POS machine, and a card-searching command is received, the POS machine then executes a power-on command for the non-card, if the power-on is successful, performs data interaction with the non-card, if the power-on step fails, the device does not directly report the failure, but is in a delayed state, and the device does not perform any non-card operation within this delay.
Furthermore, the device does not perform any operation of non-card connection but only detects the port of the contact card in the time delay, only scans the switch signal of the contact card, and if the switch signal of the contact card is scanned, the device performs the card reading operation of the contact card.
Further, if no contact card switching signal is detected in the delay, after the delay is finished, the device tries to read the non-connected card again, the device directly executes the complete steps of card detection, power-on and data exchange, failure is directly reported when any one step fails, transaction is directly executed when the step succeeds, and no delay is performed.
In order to achieve the above purpose, the POS machine-readable card system for synchronously enhancing the card reading performance of the contact card and the non-contact card provided by the invention comprises a non-contact card detection module, a reading module, a transaction module, a delay module and a broadcasting module;
the method comprises the following steps of starting a non-card-receiving detection module and a contact card detection module at the same time, and detecting the non-card-receiving detection module and the contact card;
if the contact card detection module detects a contact card, directly executing contact card transaction;
if the non-card-receiving detection module senses the non-card-receiving, the detected signal is sent to the reading module;
after receiving the detection signal of the non-connected card, the reading module is triggered to normally read the non-connected card;
if the reading module normally reads the non-connected card, sending a reading signal to drive the transaction module to execute the power-on transaction of the non-connected card;
if the reading module fails to perform power-on attempt on the non-connected card, the time delay module is triggered, and the contact card detection module only detects the contact card within the time delay set by the time delay module;
if the contact card detection module detects the contact card in the time delay, sending a reading signal to drive the transaction module to execute the power-on transaction of the contact card;
meanwhile, after the time set by the delay module is over, the non-connected card detection module is triggered again to detect the non-connected card, and if the non-connected card is detected, the card reading process of the non-connected card is implemented again;
if the non-card-receiving transaction is successful, triggering the broadcasting module to report success;
if the non-connected card is not detected, triggering a broadcasting module to report time out, and stopping detection;
if the non-card-connected detection module detects a non-card-connected state, but the power-on fails or the data exchange with the card fails, the transaction failure is directly reported and the detection is stopped.
The POS machine card reading method and the POS machine card reading system synchronously enhance the card reading performance of the contact card and the non-connected card can simultaneously improve the card reading performance of the contact card and the non-connected card by setting a time delay after the power-on fails in the process of reading the non-connected card, detecting the contact card within the time delay, and detecting the non-connected card again after the time is out.
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 simultaneously enhancing the card reading performance of a contact card and a non-contact card.
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 failure rate of the conventional contact card and non-contact card reading is high, based on the technical problem, the invention provides a POS machine card reading method for synchronously enhancing the card reading performance of the contact card and the non-contact card, which detects the contact card within a delay time by setting a time delay after power-on failure in the process of reading the non-contact card and detects the non-contact card again after timeout, so that the card reading performance of the contact card and the card reading performance of the non-contact card can be simultaneously improved.
The scheme designs a card reading process to improve the card reading performance, and the process is completely based on a card reading protocol and does not change any hardware, so the universality is strong and the cost performance is high.
Referring to fig. 1, it is a schematic flow chart of a method for enhancing the card reading performance of a contact card and a non-contact card simultaneously in the POS; the method for simultaneously enhancing the card reading performance of the contact card and the card non-contact on the POS machine comprises the following steps:
simultaneously opening detection channels of the non-contact card and the contact card, and detecting the non-contact card and the contact card;
specifically, the POS machine is enabled to work in a state of detecting a non-contact card and a contact card at the same time, a main chip of the POS machine can be connected with the non-contact chip, so that the equipment opens a non-contact detection electric field to search for the card, and whether the non-contact card enters the non-contact electric field of the POS machine is detected; meanwhile, the POS machine can open the contact card module to detect whether the contact card is inserted or not.
That is, the master chip will simultaneously turn on the non-contact card and the contact card for detection scanning, the scanning process is cyclic, the device will cyclically scan the SPI interface of the non-contact chip and the switch signal of the contact card, and once a signal is received on any interface, it indicates that the corresponding card (contact or non-contact) is sensed by the device.
If the switch signal of the contact card is directly read, the device senses that the contact card is inserted, and the non-card-receiving transaction is directly completed at the moment.
If the signal return is detected at the SPI port of the non-connected chip, the fact that a non-connected card enters an electric field of the POS machine is indicated, and a card searching command is correspondingly determined, under the condition, the POS machine executes a command for electrifying the card later, if electrifying is successful, data interaction is executed with the card later, and once the electrifying step fails, the equipment does not directly report the failure, but does a delay first.
It should be noted that the failure in the power-on step can also be extended to failure in reading the card number of the card, and a delay operation can also be performed.
The device does not perform any operation of non-card connection but only detects the port of the contact card in the time delay, namely, only scans the switch signal of the contact card, once the switch signal of the contact card is scanned, the contact card is inserted into the device, and the device performs the card reading operation of the contact card at the moment
Once no contact card switch signal is detected in the delay, no contact card is inserted, after the delay is over, the device tries to read a non-connected card again, in the process, the device directly executes the complete steps of card detection, power-on and data exchange, failure is directly reported in any step, and transaction is directly executed if the failure occurs in any step, and no delay is performed.
On this basis, the system that this scheme provided on the POS machine strengthened contact card and not connect the card to read the card performance simultaneously, and it includes: the system comprises a non-connected card detection module, a contact card detection module, a reading module, a transaction module, a delay module and a broadcasting module.
Firstly, a non-connected card detection module and a contact card detection module are started simultaneously, and the non-connected card and the contact card are detected;
if the contact card detection module detects the contact card, the contact card transaction is directly executed
If the non-card-receiving detection module senses the non-card-receiving, the detected signal is sent to the reading module;
after receiving the detection signal of the non-connected card, the reading module is triggered to normally read the non-connected card;
if the reading module normally reads the non-connected card, sending a reading signal to drive the transaction module to execute the power-on transaction of the non-connected card;
if the reading module fails to perform power-on attempt on the non-connected card, the time delay module is triggered, and the contact card detection module only detects the contact card within the time delay set by the time delay module;
if the contact card detection module detects the contact card in the time delay, sending a reading signal to drive the transaction module to execute the power-on transaction of the contact card;
meanwhile, after the time set by the delay module, the non-connected card detection module is triggered again to detect the non-connected card, and if the non-connected card is detected, the card reading process of the non-connected card is implemented again.
If the non-card-receiving transaction is successful, triggering the broadcasting module to report success; and reporting the failure if the failure occurs.
If the non-connected card is not detected, triggering a broadcast module to report overtime and stopping detection;
in the card reading process, the card reading performance and effect of the non-connected card are not influenced completely, any normal card can be read out by swinging the card normally if a user wants to execute the non-connected transaction, and no time delay exists.
If the card is detected and the power-on fails, the failure is probably caused by that a user inserts the card from the direction of the IC card slot, the POS machine firstly detects the existence of the non-connected card, then wants to continuously send a power-on command to the card, and then the failure occurs when the card data is read. The main reason is that in the process of detecting the card and sending a subsequent command, the card moves into a blind area, and power-on failure occurs.
After time delay is added to the scheme, the time is avoided, when reading the non-connected card and electrifying fails, the non-connected module is directly closed, only the contact card is detected, and therefore the card avoids a card reading blind area of the non-connected card.
Meanwhile, a typical delay time is generally 200ms to 500ms, which is calculated from the detection of the POS machine to the non-card connection, and is used for the user to insert the card into the bottom of the IC card slot if the user aims to insert the IC card.
If the final purpose of the user is not to read the contact type IC card but to read the non-connected card, the non-connected card cannot be powered on due to distance or too high movement speed and other reasons in the process of reading the non-connected card, and the non-connected card can be re-read in the process of re-trying the non-connected card to read the card after time delay, so that the success rate of reading the non-connected card is synchronously improved.
The method and the system for simultaneously enhancing the card reading performance of the contact card and the non-contact card on the POS machine, which are formed by the scheme, effectively improve the card reading failure condition in the process of inserting the IC card from the card slot direction of the contact IC card; meanwhile, the card reading performance of the non-contact card and the contact card is greatly improved.
The foregoing shows and describes the general principles, essential 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 POS machine card reading method for synchronously enhancing card reading performance of a contact card and a non-contact card is characterized by comprising the following steps:
firstly, simultaneously opening detection channels of a non-contact card and a contact card, and detecting the non-contact card and the contact card;
if the POS senses the non-connected card, the card is normally read;
if the execution of the non-connected card fails, only the contact card is detected in the time delay, and the non-connected card is not detected;
if the contact card is read in the time delay, the power-on transaction is directly carried out on the contact card; if the contact card cannot be read, the non-contact card is read again after the time-out.
2. The POS machine card reading method for synchronously enhancing the card reading performance of the contact card and the non-contact card according to claim 1, wherein the POS machine simultaneously turns on the non-contact card and the contact card detection scanning, the device is in a state of cyclically scanning switch signals of the SPI interface of the non-contact card chip and the contact card, and if a signal is received on any interface, the device indicates that the corresponding non-contact card or the contact card is sensed by the device.
3. The POS machine card reading method for synchronously enhancing the card reading performance of the contact card and the non-connected card according to claim 1, wherein if the signal return is detected at the SPI port of the non-connected card chip, the signal indicates that the non-connected card enters an electric field of the POS machine and corresponds to a card searching command, the POS machine then executes a command for electrifying the non-connected card, if the electrification is successful, the POS machine executes data interaction with the non-connected card, if the electrification step fails, the POS machine does not directly report the failure, but is in a delay state, and the POS machine does not execute any operation of the non-connected card in the delay.
4. The POS machine-readable card method for synchronously enhancing card reading performance of a contact card and a non-contact card is characterized in that the device does not perform any non-contact card operation but only detects a port of the contact card in time delay, only scans a switch signal of the contact card, and if the switch signal of the contact card is scanned, the device performs the card reading operation of the contact card.
5. The POS machine-readable card method for synchronously enhancing card reading performance of a contact card and a non-contact card according to claim 1, wherein if no contact card switch signal is detected in the time delay, after the time delay is over, the device tries to read the non-contact card again, the device directly executes the complete steps of card detection, power-on and data exchange, if any one of the steps fails, the failure is directly reported, if the step succeeds, the transaction is directly executed, and no time delay is made.
6. The POS machine-readable card system for synchronously enhancing the card reading performance of the contact card and the non-contact card is characterized by comprising a non-contact card detection module, a reading module, a transaction module, a delay module and a broadcasting module;
the method comprises the following steps of starting a non-card-receiving detection module and a contact card detection module at the same time, and detecting the non-card-receiving detection module and the contact card;
if the contact card detection module detects the contact card, directly executing contact card transaction;
if the non-card-receiving detection module senses the non-card-receiving, the detected signal is sent to the reading module;
after receiving the detection signal of the non-connected card, the reading module is triggered to normally read the non-connected card;
if the reading module normally reads the non-connected card, sending a reading signal to drive the transaction module to execute the power-on transaction of the non-connected card;
if the read module fails to apply power on to the non-connected card, the read module triggers the delay module, and the contact card detection module only detects the contact card within the delay time set by the delay module;
if the contact card detection module detects the contact card in the time delay, sending a reading signal to drive the transaction module to execute the power-on transaction of the contact card;
meanwhile, after the time set by the delay module is over, the non-connected card detection module is triggered again to detect the non-connected card, and if the non-connected card is detected, the card reading process of the non-connected card is implemented again;
if the non-card-receiving transaction is successful, triggering the broadcasting module to report success;
if the non-connected card is not detected, triggering a broadcasting module to report time out, and stopping detection;
if the non-card-connected detection module detects a non-card-connected state, but the power-on fails or the data exchange with the card fails, the transaction failure is directly reported and the detection is stopped.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210836381.1A CN115223309A (en) | 2022-07-15 | 2022-07-15 | POS machine card reading method and system for synchronously enhancing card reading performance of contact card and non-contact card |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210836381.1A CN115223309A (en) | 2022-07-15 | 2022-07-15 | POS machine card reading method and system for synchronously enhancing card reading performance of contact card and non-contact card |
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| CN115223309A true CN115223309A (en) | 2022-10-21 |
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| CN202210836381.1A Pending CN115223309A (en) | 2022-07-15 | 2022-07-15 | POS machine card reading method and system for synchronously enhancing card reading performance of contact card and non-contact card |
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| WO2010019620A1 (en) * | 2008-08-11 | 2010-02-18 | Visa U.S.A. Inc. | Testing protocols for extended functionality cards |
| CN102254137A (en) * | 2011-07-15 | 2011-11-23 | 北京握奇数据系统有限公司 | Dual-interface smart card and data communication method thereof |
| CN207611457U (en) * | 2017-12-18 | 2018-07-13 | 上海慧银信息科技有限公司 | Brushing card device |
| CN108563968A (en) * | 2018-03-26 | 2018-09-21 | 百富计算机技术（深圳）有限公司 | A kind of card reading method, payment terminal and terminal device |
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2022
- 2022-07-15 CN CN202210836381.1A patent/CN115223309A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10007284A1 (en) * | 2000-02-17 | 2001-08-23 | Orga Kartensysteme Gmbh | Chip card for contact and contactless data transfer with own voltage supply and clock with switch over between system clock and card clock |
| WO2010019620A1 (en) * | 2008-08-11 | 2010-02-18 | Visa U.S.A. Inc. | Testing protocols for extended functionality cards |
| CN102254137A (en) * | 2011-07-15 | 2011-11-23 | 北京握奇数据系统有限公司 | Dual-interface smart card and data communication method thereof |
| CN207611457U (en) * | 2017-12-18 | 2018-07-13 | 上海慧银信息科技有限公司 | Brushing card device |
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