CN102185962A - Method for communication between smart mobile phone card and reading-writing device - Google Patents
Method for communication between smart mobile phone card and reading-writing device Download PDFInfo
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- CN102185962A CN102185962A CN2011100459767A CN201110045976A CN102185962A CN 102185962 A CN102185962 A CN 102185962A CN 2011100459767 A CN2011100459767 A CN 2011100459767A CN 201110045976 A CN201110045976 A CN 201110045976A CN 102185962 A CN102185962 A CN 102185962A
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- mobile phone
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- intelligent card
- phone intelligent
- write equipment
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- 238000004891 communication Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000003993 interaction Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000013459 approach Methods 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Abstract
The invention discloses a method for communication between a smart mobile phone card and a reading-writing device. The method comprises that: the reading-writing device calculates a physical distance between the reading-writing device and the smart mobile phone card; the reading-writing device transmits a radio frequency signal, wherein the radio frequency signal comprises a radio frequency signal intensity numerical value, a physical distance numerical value and a data interaction threshold value; the smart mobile phone card compares the received physical distance numerical value and the received radio frequency intensity numerical value with the last received physical distance numerical value and the last received radio frequency signal intensity numerical value, and judges whether the reading-writing device is approached or not; and if the smart mobile phone card approaches the reading-writing device and is in the range of the data interaction threshold value of the reading-writing device, the smart mobile phone card actively establishes contact with the reading-writing device, and the reading-writing device interacts read and written data with the smart mobile phone card establishing contact with the reading-writing device. In the method, the reading-writing device can exclude the smart phone mobile cards not tending to approach the reading-writing device and the smart mobile phone cards out of the range of the data interaction threshold value, and prevent the mistaken reading and writing operations, so the security of the reading and writing operations of the reading-writing device is improved.
Description
Technical field
The present invention relates to the electrical application technology field, relate in particular to a kind of mobile phone intelligent card and read-write equipment and realize method for communicating.
Background technology
The application of mobile phone intelligent card is more and more widely particularly discerned and the bankcard consumption field swiping the card of mobile phone intelligent card.With the function endowing mobile phone intelligent card of various card classes, the life that can be convenient for people to greatly, for example: utilize cell phone intelligent to be stuck in the paying of swiping the card on the bus, the checkout of swiping the card at the restaurant, discrepancy company swipes the card and discerns identity or the like.
Kind and the very environmental protection of number that has not only reduced the card of carrying used in swiping the card of mobile phone intelligent card, also greatly facilitates people's life, is a development trend of mobile phone intelligent card.
The communication technology that relates between mobile phone intelligent card and its read-write equipment is used in swiping the card of mobile phone intelligent card, and how concrete comprising realizes identification and read-write operation between mobile phone intelligent card and the reader device.Under the prior art, the signal of the mobile phone intelligent card that read-write equipment receives reaches certain intensity, read-write equipment could set up with mobile phone intelligent card between communicate by letter.
Under the prior art, it is different that the signal attenuation of mobile phone intelligent card shows on different mobile phones, and different mobile phone receives the sensitivity difference of wireless signal.The signal strength signal intensity of distance mobile phone intelligent card may be high like this, little apart near cell phone intelligent card signal possibility intensity, a plurality of mobile phone cards all in communication range, cause read-write equipment can't discern the mobile phone intelligent card of real needs read-write from a plurality of mobile phone intelligent cards, produce misoperation.
Therefore, there is defective in prior art, needs further improvement and develops.
Summary of the invention
The object of the present invention is to provide the communication means between a kind of mobile phone intelligent card and the read-write equipment, make read-write equipment from a plurality of mobile phone intelligent cards, discern the mobile phone intelligent card that to do read-write operation more efficiently, prevent misoperation.
Technical scheme of the present invention is as follows:
Communication means between a kind of mobile phone intelligent card and the read-write equipment is used to finish mobile phone intelligent card with the read-write operation between the read-write equipment, specifically may further comprise the steps:
Steps A, described read-write equipment utilize the range unit of self to send distance measuring signal to mobile phone intelligent card, and calculate physical distance between described read-write equipment and the mobile phone intelligent card according to the distance measuring signal of described mobile phone intelligent card reflected back;
Step B, described read-write equipment emitting radio frequency signal, described radiofrequency signal comprise that radio-frequency (RF) signal strength numerical value, described read-write equipment are with physical distance numerical value between the mobile phone intelligent card and data interaction threshold value;
Step C, described mobile phone intelligent card with this physical distance that receives and these two groups of numerical value of radio-frequency (RF) signal strength and the physical distance that received last time and these two groups of numeric ratios of radio-frequency (RF) signal strength judge that described mobile phone intelligent card is whether near described read-write equipment;
If the described mobile phone intelligent card of step D is near described read-write equipment, and described mobile phone intelligent card with the distance between the described read-write equipment in the data interaction threshold value; Described mobile phone intelligent card is initiatively set up with described read-write equipment and is got in touch, described read-write equipment and the data of having set up the mutual read-write operation of mobile phone intelligent card of getting in touch.
Described method, wherein, judge among the described step C whether described mobile phone intelligent card comprises in the step near described read-write equipment:
The physical distance that described mobile phone intelligent card receives at every turn is less than the physical distance that received last time, and the radio-frequency (RF) signal strength that at every turn receives is greater than the radio-frequency (RF) signal strength that received last time, and described mobile phone intelligent card is near read-write equipment.
Described method, wherein, described range unit comprises distance measuring signal transmitting element, distance measuring signal receiving element and metrics calculation unit.
Described method, wherein, described distance measuring signal transmitting element is ultrasonic transmission device or infrared transmitting device.
Compared with prior art, the invention provides the communication means between a kind of mobile phone intelligent card and the read-write equipment, described read-write equipment can be surveyed the distance between mobile phone intelligent card and the read-write equipment, described mobile phone intelligent card by and read-write equipment between physical distance variation and and read-write equipment between the variation of radio-frequency (RF) signal strength judge that self is whether near described read-write equipment; Described mobile phone intelligent card judges it self is at approaching described read-write equipment, and after cell phone intelligent is positioned within the data interaction threshold range, described mobile phone intelligent card is initiatively set up with read-write equipment and is got in touch, described read-write equipment is with the data of the mutual read-write operation of described mobile phone intelligent card, and this that finish described read-write equipment and mobile phone intelligent card communicated by letter.Read-write equipment of the present invention can not get rid of not near trend and not in the data interaction threshold value with interior mobile phone intelligent card, prevent the misoperation of reading and writing, the fail safe that has improved the read-write equipment read-write operation.
Description of drawings
Fig. 1 is the flow chart of the communication means between mobile phone intelligent card of the present invention and the read-write equipment.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in further detail.
Communication means between mobile phone intelligent card of the present invention and the read-write equipment, described read-write equipment can be the POS machine of charge, can be the machine for punching the card of identification identity, so long as can get final product by the wireless signal interaction data with mobile phone intelligent card, concrete form limit here yet.Read-write equipment of the present invention has compared with prior art increased range unit, and described range unit comprises distance measuring signal transmitting element, distance measuring signal receiving element and metrics calculation unit.Described distance measuring signal transmitting element can be ultrasonic transmission device or infrared transmitting device, and is not limited to the range unit of aforesaid way.
Communication means between described mobile phone intelligent card and its read-write equipment specifically may further comprise the steps:
Step 101, described read-write equipment utilize the range unit range finding of self and constantly outwards send distance measuring signal, described distance measuring signal be we can say also that by the described read-write equipment of device reflected back at mobile phone intelligent card place described distance measuring signal is by the described read-write equipment of mobile phone intelligent card reflected back.The device that the distance measuring signal of the reflected back that described read-write equipment basis is received calculates the reflection distance measuring signal promptly calculates the physical distance between described read-write equipment and the mobile phone intelligent card with the distance between the described read-write equipment.
Described distance measuring signal is reflected by different mobile phones respectively after emission, that is by different mobile phone intelligent card institute reflex times, described read-write equipment can calculate a plurality of mobile phone intelligent cards respectively with the physical distance between the described read-write equipment according to different reflection distance measuring signals.
Step 102, described read-write equipment are set the minimum range scope that can finish read-write operation with the mobile phone intelligent card that foundation is got in touch, that is: data interaction threshold value.The range unit of described read-write equipment detects: and described read-write equipment sets up the mobile phone intelligent card get in touch and the distance between the described read-write equipment within described data interaction threshold range, and then described read-write equipment has been set up the data of the mutual read-write operation of mobile phone intelligent card of getting in touch with it.
Described read-write equipment will measure the physical distance between itself and the mobile phone intelligent card, these three groups of numerical value of the radio-frequency (RF) signal strength of its emission and data interaction threshold value are loaded into radiofrequency signal, and the radiofrequency signal that will load physical distance, radio-frequency (RF) signal strength and data interaction threshold value sends.
Step 103, described mobile phone intelligent card receive the radiofrequency signal that described read-write equipment sends, and the radiofrequency signal decoding that receives is obtained physical distance, radio-frequency (RF) signal strength and the data interaction threshold value that described read-write equipment sends.
Step 104, described mobile phone intelligent card with this physical distance that receives and these two groups of numerical value of radio-frequency (RF) signal strength and the physical distance that received last time and these two groups of numeric ratios of radio-frequency (RF) signal strength obtain the physical distance variable quantity between described mobile phone intelligent card and the read-write equipment and the radio-frequency (RF) signal strength variable quantity of read-write equipment respectively.
Step 105, described mobile phone intelligent card be according to the physical distance variable quantity between itself and the read-write equipment and the radio-frequency (RF) signal strength variable quantity of read-write equipment, judges that itself is whether near described read-write equipment.
Described mobile phone intelligent card judges whether at the embodiment near the method for read-write equipment as follows:
If the physical distance that described mobile phone intelligent card will receive is less than the physical distance that received last time at every turn, and the radio-frequency (RF) signal strength that at every turn receives is greater than the radio-frequency (RF) signal strength that received last time, described mobile phone intelligent card thinks it itself is near read-write equipment, and initiatively sets up contact with described read-write equipment; Otherwise assert, mobile phone intelligent card itself do not have to abandon this communication of described read-write equipment with approaching mutually between the read-write equipment.
If the described mobile phone intelligent card of step 106 is to move closer to described read-write equipment, and described mobile phone intelligent card with the physical distance between the described read-write equipment within described data interaction threshold range, then described mobile phone intelligent card is initiatively set up with read-write equipment and is got in touch, described read-write equipment has been set up the data of the mutual read-write operation of mobile phone intelligent card of getting in touch with it, finish this read-write behavior to mobile phone intelligent card of described read-write equipment.
Otherwise described mobile phone intelligent card is abandoned this communication with described read-write equipment.
Communication means between mobile phone intelligent card of the present invention and the read-write equipment, described read-write equipment utilizes the continuous detecting self of range unit with the physical distance between the mobile phone intelligent card, and the signal strength signal intensity that the read-write equipment that detects is outwards sent with physical distance between the mobile phone intelligent card and read-write equipment sends in the mode of radiofrequency signal; Described mobile phone intelligent card compares according to the physical distance in physical distance in this radiofrequency signal that receives and the last radiofrequency signal that receives, this radio-frequency (RF) signal strength that receives of while and the radio-frequency (RF) signal strength that received last time compare, judge the own state that whether is near read-write equipment, and be near the mobile phone intelligent card of read-write equipment state and can initiatively set up contact with described read-write equipment; Its purpose is to get rid of not near action, near the mobile phone card of trend, and near trend and read-write equipment perception near the different mobile phone card of trend; When cell phone intelligent of the present invention was positioned within the data interaction threshold range, the just same mobile phone intelligent card of getting in touch with its foundation of read-write equipment was set up and is got in touch and interaction data, finishes this read-write operation, stops the misoperation to undesirable mobile phone intelligent card.The present invention can improve the levels of precision of read-write operation between mobile phone intelligent card and read-write equipment, improves the fail safe of read-write operation.
Should be understood that above-mentioned statement at preferred embodiment of the present invention is comparatively detailed, can not therefore think the restriction to scope of patent protection of the present invention, scope of patent protection of the present invention should be as the criterion with claims.
Claims (4)
1. the communication means between mobile phone intelligent card and the read-write equipment is used to finish mobile phone intelligent card with the read-write operation between the read-write equipment, specifically may further comprise the steps:
Steps A, described read-write equipment utilize the range unit of self to send distance measuring signal to mobile phone intelligent card, and calculate physical distance between described read-write equipment and the mobile phone intelligent card according to the distance measuring signal of described mobile phone intelligent card reflected back;
Step B, described read-write equipment emitting radio frequency signal, described radiofrequency signal comprise that radio-frequency (RF) signal strength numerical value, described read-write equipment are with physical distance numerical value between the mobile phone intelligent card and data interaction threshold value;
Step C, described mobile phone intelligent card with this physical distance that receives and these two groups of numerical value of radio-frequency (RF) signal strength and the physical distance that received last time and these two groups of numeric ratios of radio-frequency (RF) signal strength judge that described mobile phone intelligent card is whether near described read-write equipment;
If the described mobile phone intelligent card of step D is near described read-write equipment, and described mobile phone intelligent card with the distance between the described read-write equipment in the data interaction threshold value; Described mobile phone intelligent card is initiatively set up with described read-write equipment and is got in touch, described read-write equipment and the data of having set up the mutual read-write operation of mobile phone intelligent card of getting in touch.
2. method according to claim 1 is characterized in that, judges among the described step C whether described mobile phone intelligent card comprises in the step near described read-write equipment:
The physical distance that described mobile phone intelligent card receives at every turn is less than the physical distance that received last time, and the radio-frequency (RF) signal strength that at every turn receives is greater than the radio-frequency (RF) signal strength that received last time, and described mobile phone intelligent card is near read-write equipment.
3. method according to claim 1 is characterized in that described range unit comprises distance measuring signal transmitting element, distance measuring signal receiving element and metrics calculation unit.
4. method according to claim 1 is characterized in that, described distance measuring signal transmitting element is ultrasonic transmission device or infrared transmitting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110045976.7A CN102185962B (en) | 2011-02-25 | 2011-02-25 | Method for communication between smart mobile phone card and reading-writing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110045976.7A CN102185962B (en) | 2011-02-25 | 2011-02-25 | Method for communication between smart mobile phone card and reading-writing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102185962A true CN102185962A (en) | 2011-09-14 |
| CN102185962B CN102185962B (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110045976.7A Expired - Fee Related CN102185962B (en) | 2011-02-25 | 2011-02-25 | Method for communication between smart mobile phone card and reading-writing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014107859A1 (en) * | 2013-01-10 | 2014-07-17 | Luo Weixi | Card swiping method and device for determining mobile terminal for swiping card, utilizing intensity of ultrasonic signal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101042738A (en) * | 2006-03-24 | 2007-09-26 | 中国银联股份有限公司 | Method for implementing smart card multi-application and data processing apparatus |
| WO2009086791A1 (en) * | 2007-12-28 | 2009-07-16 | Beijing Watch Data System Co., Ltd. | Method and integrated circuit card for managing the database by interacting with the mobile equipment |
| CN101510267A (en) * | 2008-02-13 | 2009-08-19 | 东芝泰格有限公司 | Radio frequency tag detection apparatus and method of controlling the same |
| CN101888277A (en) * | 2010-06-17 | 2010-11-17 | 深圳市江波龙电子有限公司 | Intelligent expansion card, received signal strength indication (RSSI)-based near field communication control system and method |
-
2011
- 2011-02-25 CN CN201110045976.7A patent/CN102185962B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101042738A (en) * | 2006-03-24 | 2007-09-26 | 中国银联股份有限公司 | Method for implementing smart card multi-application and data processing apparatus |
| WO2009086791A1 (en) * | 2007-12-28 | 2009-07-16 | Beijing Watch Data System Co., Ltd. | Method and integrated circuit card for managing the database by interacting with the mobile equipment |
| CN101510267A (en) * | 2008-02-13 | 2009-08-19 | 东芝泰格有限公司 | Radio frequency tag detection apparatus and method of controlling the same |
| CN101888277A (en) * | 2010-06-17 | 2010-11-17 | 深圳市江波龙电子有限公司 | Intelligent expansion card, received signal strength indication (RSSI)-based near field communication control system and method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2014107859A1 (en) * | 2013-01-10 | 2014-07-17 | Luo Weixi | Card swiping method and device for determining mobile terminal for swiping card, utilizing intensity of ultrasonic signal |
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| CN102185962B (en) | 2013-12-18 |
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