CN201527689U - POS terminal device - Google Patents
POS terminal device Download PDFInfo
- Publication number
- CN201527689U CN201527689U CN2009202196783U CN200920219678U CN201527689U CN 201527689 U CN201527689 U CN 201527689U CN 2009202196783 U CN2009202196783 U CN 2009202196783U CN 200920219678 U CN200920219678 U CN 200920219678U CN 201527689 U CN201527689 U CN 201527689U
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- write line
- read write
- frequency
- electronic tag
- rfid electronic
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Abstract
The utility model discloses a POS terminal device which is used to solve the problem that a POS terminal device can only read and write an RFID electronic tag with single working frequency. The POS terminal device comprises a mainframe (10), a high-frequency reader-writer (11), and a microwave reader-writer (12) integrated with a microwave antenna (120), wherein the high-frequency reader-writer (11) is connected with the mainframe (10) and connected to a high-frequency coil antenna (110) through a communication cable, and the microwave reader-writer (12) is integrated at the middle part of a coil of the high-frequency coil antenna (110) and is connected with the mainframe (10) through the high-frequency reader-writer (11). The device effectively solve the problem of a reader-writer integrated different working frequencies in the POS terminal device, and makes the POS terminal device have the ability of the RFID electronic tag with two frequency bands of read-write high frequency and microwave.
Description
Technical field
The utility model relates to electronic device field, relates in particular to a kind of POS (point of sale) terminal device.
Background technology
RFID (Radio Frequency Identification, radio-frequency (RF) identification) is a kind of contactless automatic identification technology that utilizes radiowave to carry out data communication.The basic realization principle of RFID is to carry out data communication by electromagnetic coupled between read write line (being also referred to as read head) and the RFID electronic tag or inductive coupling, to reach the automatic identification to the label object.RFID can be divided into LF (low frequency), HF (high frequency), UHF (ultrahigh frequency) and MW (microwave) according to working frequency range, and frequency of operation commonly used has: 125kHz (LF), 134.2kHz (LF), 13.56MHz (HF), 433MHz (UHF), 860～960MHz (UHF), 2.4GHz (MW), 5.8GHz (MW) etc.
The business of paying by mails realizes based on NFC (Near Field Communication, wireless near field communication) technology and RFID (Radio Frequency Identification, radio-frequency (RF) identification) technology, is used for the E-Payment of portable terminal.As shown in Figure 1, the typical electronic payment system is by POS (Point of Sale, the point of sale) terminal device is formed with the portable terminal that is built-in with RFID electronic tag (being commonly called as stored value card), wherein the POS terminal device comprises main frame and read write line, read write line mainly is responsible for receiving the action command that main frame sends, launch corresponding read-write according to action command to the RFID electronic tag, receive the response signal that the RFID electronic tag returns, and the response signal that the RFID electronic tag returns is transferred to main frame for host process.Carry out data communication by RFID electronic tag in the portable terminal and the POS terminal device that is arranged on agency, operation such as finish payment, supplement with money, query the balance.People can carry the portable terminal with electronic purse function easily and do shopping to convenience store, refuel to the refuelling station, and the booking of swiping the card when perhaps taking pubic transport, and need not carry various entity cards to adapt to the consumption of different occasions again as in the past.
In the existing E-Payment business, generally adopting frequency of operation is the RFID electronic tag of 13.56MHz, SIM (the Subscriber Identity Module that transmission frequency is low, penetration power weak because the RFID electronic tag of 13.56MHz exists, need coil antenna and can't be integrated in portable terminal, subscriber identification module) blocks medium problem, greatly limited the use of the RFID electronic tag of 13.56MHz, had a strong impact on and paid professional popularization by mails.In order to address the above problem, the RFID electronic tag that a kind of novel frequency of operation to have occurred be 2.4GHz, transmission frequency height, penetration power are strong because the RFID electronic tag of 2.4GHz has, built-in aerial and can be integrated in the medium advantage of SIM card of portable terminal, can remedy the deficiency of the RFID electronic tag of 13.56MHz fully.
Because existing frequency of operation in the E-Payment business is multiple RFID electronic tags such as 13.56MHz, 2.4GHz, and the POS terminal device can only be read and write the RFID electronic tag of one working frequency, how to make the POS terminal device possess the ability of the multiple RFID electronic tag of read-write, become problem demanding prompt solution in the prior art.
The utility model content
The utility model provides a kind of POS terminal device, can only read and write the problem of the RFID electronic tag of one working frequency in order to solve the POS terminal device.
The POS terminal device that the utility model provides comprises: main frame (10), high frequency read write line (11) and the integrated microwave read write line (12) of microwave antenna (120); Described high frequency read write line (11) links to each other with described main frame (10), and connects radio-frequency coil antenna (110) by telecommunication cable; Described microwave read write line (12) is integrated in the coil middle part of described radio-frequency coil antenna (110), and links to each other with described main frame (10) by high frequency read write line (11).
In order to solve card identification and signal collision problem, described main frame (10), be used for when the radio frequency discrimination RFID electronic tag enters the perform region of POS terminal device, control one of them read write line and initiate to be used to activate the inquiry card instruction of RFID electronic tag, when confirming that current read write line receives the inquiry card response of returning after described RFID electronic tag is activated, control current read write line described RFID electronic tag is carried out read-write operation, when confirming that current read write line does not receive the inquiry card response of returning after described RFID electronic tag is activated, control another read write line and initiate described inquiry card instruction.
Preferable, described main frame (10) also is used to control the read write line that receives described inquiry card response and instructs to the card of writing that described RFID electronic tag transmission indication writes the uniqueness card sign of configuration.
Preferable, described microwave antenna (120) adopts the layout type of vertical dot matrix to embed in the circuit board mainboard of described microwave read write line (12).
Preferable, described microwave read write line (12) is in same plane with described high frequency read write line (11).
Wherein, the frequency of operation of described high frequency read write line (11) is 13.56MHz, and the frequency of operation of described microwave read write line (12) is 2.4GHz.
Wherein, described high frequency read write line (11) links to each other with described main frame (10) by RS232 interface or general-purpose serial bus USB interface.
Wherein, described telecommunication cable is the concentric cable of impedance matching.
Further, in order the POS terminal device to be had read concurrently the ability of Contact Type Ic Card, this POS terminal device also comprises:
Contact card reader (13), described contact card reader (13) links to each other with described main frame (10).
Wherein, described contact card reader (13) links to each other by RS232 interface or general-purpose serial bus USB interface with described main frame (10).
The utility model is according to the characteristics of the RFID electronic tag of the RFID electronic tag of high-frequency band and microwave frequency band, the POS terminal device that can support two kinds of working frequency range simultaneously is provided, antenna and read write line to high-frequency band adopt one package structual, and connect by telecommunication cable, antenna and read write line employing to microwave frequency band attach together structure, the antenna of high-frequency band adopts loop construction, make the read write line of microwave frequency band be integrated in the coil middle part, efficiently solve the problem of the read write line of integrated different operating frequency in the POS terminal device, make the POS terminal device possess the ability of read-write high frequency and two band RFID electronic tags of microwave, thereby improved the utilization rate of POS terminal device.
Description of drawings
Fig. 1 is an electronic fare payment system structural drawing in the prior art;
Fig. 2 is the structural drawing of POS terminal device among the utility model embodiment;
Fig. 3 is the layout sectional view of microwave read write line (12) and radio-frequency coil antenna (110) among the utility model embodiment;
Fig. 4 is the structural representation of microwave read write line (12) among the utility model embodiment;
Fig. 5 is another structural drawing of POS terminal device among the utility model embodiment.
Embodiment
The utility model can only be read and write the problem of the RFID electronic tag of one working frequency in order to solve the POS terminal device.According to the difference of working frequency range, the RFID electronic tag in the existing E-Payment business can be divided into two types of HF (frequency of operation commonly used is 13.56MHz) and MW (frequency of operation commonly used is 2.4GHz).In the rfid system of different operating frequency range, the principle of work difference of RFID electronic tag, wherein the RFID electronic tag of HF frequency range is generally based on the electromagnetic coupled principle, and the RFID electronic tag of MW frequency range is generally based on the Electromagnetic Launching principle.The essence of electromagnetic coupled principle is " electric magnetisation, magnetic is given birth to ", be easy to generate inter-signal interference, and the transmission frequency of Electromagnetic Launching principle has the unified criteria for classifying in the whole world, compares the electromagnetic coupled principle and greatly reduces inter-signal interference.
How the read write line of integrated different operating frequency is to solve the key issue that the POS terminal device can only be read and write the RFID electronic tag of one working frequency.
As shown in Figure 2, the utility model embodiment provides a kind of POS terminal device, comprise: main frame (10), high frequency read write line (11) and the integrated microwave read write line (12) of microwave antenna (120), high frequency read write line (11) links to each other with main frame (10), and connects radio-frequency coil antenna (110) by telecommunication cable; Microwave read write line (12) is integrated in the coil middle part of radio-frequency coil antenna (110), and links to each other with main frame (10) by high frequency read write line (11).
The utility model is according to the characteristics of the RFID electronic tag of the RFID electronic tag of HF frequency range and WM frequency range, the POS terminal device that can support two kinds of working frequency range simultaneously is provided, antenna and read write line to the HF frequency range adopt one package structual, and the telecommunication cable by impedance matching connects, antenna and read write line employing to the WM frequency range attach together structure, the antenna of HF frequency range adopts loop construction, make the read write line of WM frequency range be integrated in the coil middle part, efficiently solve the problem of the read write line of integrated different operating frequency in the POS terminal device, make the POS terminal device possess the ability of read-write high frequency and two band RFID electronic tags of microwave, thereby improved the utilization rate of POS terminal device.
Radio-frequency coil antenna (110) adopts the coiling manufacturing technology, and aerial coil that need the number of turn is set in coiling on a coiling instrument takes out the coiling instrument after coiling is finished from aerial coil, be hollow coil antenna in the middle of forming.As shown in Figure 3,, wherein fill diagonal line hatches and partly represent radio-frequency coil antenna (110), fill the round dot dash area and represent microwave read write line (12) for the layout sectional view of microwave read write line (12) with radio-frequency coil antenna (110).As can be seen, microwave read write line (12) is integrated in the coil middle part of radio-frequency coil antenna (110), that is to say, radio-frequency coil antenna (110) be distributed in microwave read write line (12) around.
In concrete the enforcement, microwave antenna (120) adopts the layout type of vertical dot matrix to embed in the circuit board mainboard (121) of microwave read write line (12), as shown in Figure 4.Microwave antenna (120) adopts the layout type of vertical dot matrix, helps avoiding signal collision.
Preferable, microwave read write line (12) is in same plane with high frequency read write line (11).Simultaneously, be 13.56MHz based on frequency of operation commonly used in the HF frequency range, frequency of operation commonly used in the MW frequency range is 2.4GHz, and in the POS terminal device, the frequency of operation of high frequency read write line (11) is 13.56MHz, and the frequency of operation of microwave read write line (12) is 2.4GHz.
In concrete the enforcement, the telecommunication cable that connects high frequency read write line (11) and radio-frequency coil antenna (110) adopts concentric cable.Concentric cable is core with the solid copper wire, outsourcing one deck insulating material, this layer insulating material with close netted conductor loops of knitting around, netted conductor covers one deck protectiveness material outward.The structure of concentric cable can prevent the interference of external electromagnetic waves signal.Preferable, adopting the base band coaxial cable that is applicable to digital transmission, message transmission rate can reach 10Mbps, and stability is high.
Main frame (10) provides RS232 interface, USB (Universal Serial Bus, USB (universal serial bus)) interface etc., high frequency read write line (11) is supported RS232 interface, USB interface etc. generally speaking, high frequency read write line (11) can link to each other with main frame (10) by RS232 interface or USB interface, thus the linking to each other of realization high frequency read write line (11) and main frame (10).
Based on the integrated read write line of different operating frequency in the POS terminal device, what further need to solve is the problem of card identification and signal collision.
In the POS terminal device that the utility model provides, main frame (10), be used for when the RFID electronic tag enters the perform region of POS terminal device, control the inquiry card instruction that one of them read write line emission is used to activate the RFID electronic tag, if current read write line receives the inquiry card response of returning after described RFID electronic tag is activated, control current read write line described RFID electronic tag is carried out read-write operation; If when confirming that current read write line does not receive the inquiry card response of returning after the RFID electronic tag is activated, control another read write line emission and ask the card instruction.
The POS terminal device adopts aggressive mode, when the RFID electronic tag enters the perform region of POS terminal device, one of them read write line at first initiates to ask the card instruction, if this read write line consistent with the frequency of operation of RFID electronic tag (being that type is complementary), RFID electronic tag will be activated after receiving and asking the card instruction; If the frequency of operation of this read write line and RFID electronic tag inconsistent (being that type does not match), then another read write line initiates to ask the card instruction activating this RFID electronic tag, thereby effectively solves the card identification problem.
Because microwave frequency band and high-frequency band are widely different, generally do not have the signal collision problem between the rfid system of different operating frequency.But, under the very faint situation of RFID electronic tag institute capacitation, can't launching electromagnetic wave, can only reflect the electromagnetic wave of read write line emission.The RFID electronic tag of different operating frequency has identical spectrum signature to the electromagnetic reflection wave of same read write line, and read write line can't be distinguished, and therefore produces signal collision.The POS terminal device control read write line that the utility model provides initiates to ask the card instruction, if returning, the RFID electronic tag askes the card response, control current read write line the RFID electronic tag is carried out read-write operation, if returning, the RFID electronic tag do not ask the card response, control another read write line and initiate to ask the card instruction, can the effective address signal collision problem.
Adopt aggressive mode to solve on the card base of recognition at the POS terminal device, the utility model proposes many RFID electronic tags in the perform region of employings " card sign " differentiation POS terminal device.When the RFID electronic tag enters the perform region of POS terminal device, if the inquiry card instruction of being initiated by certain card reader activates and will return the response of inquiry card to this read write line, further, main frame (10) also is used to control and receives the read write line of asking the card response and send the card of writing that indication writes the uniqueness card sign of configuration to this RFID electronic tag and instruct.By in card, writing uniqueness card sign, when assurance is carried out this RFID electronic tag having other RFID electronic tag to enter the perform region in the process of read-write operation, read write line can be distinguished each RFID electronic tag, effectively discern each RFID electronic tag, thereby different RFID electronic tags is carried out corresponding read-write operation.
In order further to improve the utilization rate of POS terminal device, make the POS terminal device have concurrently the ability that reads contact IC (integrated circuit) card, for example bank card, as shown in Figure 5, another structure of POS terminal device is provided, on the basis of above-mentioned POS terminal device, also can have comprised:
Contact card reader (13), contact card reader (13) links to each other with main frame (10).
Contact card reader (11) is supported RS232 interface, USB interface etc. generally speaking, and contact card reader (13) can link to each other with main frame (10) by RS232 interface or USB interface, thus the linking to each other of realization contact card reader (13) and main frame (10).
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (10)
1. a point of sale POS terminal device is characterized in that, comprising: main frame (10), high frequency read write line (11) and the integrated microwave read write line (12) of microwave antenna (120); Described high frequency read write line (11) links to each other with described main frame (10), and connects radio-frequency coil antenna (110) by telecommunication cable; Described microwave read write line (12) is integrated in the coil middle part of described radio-frequency coil antenna (110), and links to each other with described main frame (10) by high frequency read write line (11).
2. equipment as claimed in claim 1 is characterized in that,
Described main frame (10), be used for when the radio frequency discrimination RFID electronic tag enters the perform region of POS terminal device, control one of them read write line and initiate to be used to activate the inquiry card instruction of RFID electronic tag, if current read write line receives the inquiry card response of returning after described RFID electronic tag is activated, control current read write line described RFID electronic tag is carried out read-write operation; When if current read write line does not receive the inquiry card response of returning after described RFID electronic tag is activated, control another read write line and initiate described inquiry card instruction.
3. equipment as claimed in claim 2 is characterized in that,
Described main frame (10) also is used to control the read write line that receives described inquiry card response and instructs to the card of writing that described RFID electronic tag transmission indication writes the uniqueness card sign of configuration.
4. equipment as claimed in claim 1 is characterized in that, described microwave antenna (120) adopts the layout type of vertical dot matrix to embed in the circuit board mainboard (121) of described microwave read write line (12).
5. equipment as claimed in claim 4 is characterized in that, described microwave read write line (12) is in same plane with described high frequency read write line (11).
6. equipment as claimed in claim 1 is characterized in that, the frequency of operation of described high frequency read write line (11) is 13.56MHz, and the frequency of operation of described microwave read write line (12) is 2.4GHz.
7. equipment as claimed in claim 1 is characterized in that, described high frequency read write line (11) links to each other with described main frame (10) by RS232 interface or general-purpose serial bus USB interface.
8. equipment as claimed in claim 1 is characterized in that, described telecommunication cable is the concentric cable of impedance matching.
9. equipment as claimed in claim 1 is characterized in that, also comprises:
Contact card reader (13), described contact card reader (13) links to each other with described main frame (10).
10. equipment as claimed in claim 9 is characterized in that, described contact card reader (13) links to each other by RS232 interface or general-purpose serial bus USB interface with described main frame (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202196783U CN201527689U (en) | 2009-11-03 | 2009-11-03 | POS terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202196783U CN201527689U (en) | 2009-11-03 | 2009-11-03 | POS terminal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201527689U true CN201527689U (en) | 2010-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202196783U Expired - Lifetime CN201527689U (en) | 2009-11-03 | 2009-11-03 | POS terminal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201527689U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780070A (en) * | 2011-05-09 | 2012-11-14 | 国民技术股份有限公司 | Multiple-frequency-band antenna device for near field communication and application system thereof |
| CN106228224A (en) * | 2016-07-11 | 2016-12-14 | 天津中兴智联科技有限公司 | A kind of electronic tag of compatible multi-protocols |
-
2009
- 2009-11-03 CN CN2009202196783U patent/CN201527689U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780070A (en) * | 2011-05-09 | 2012-11-14 | 国民技术股份有限公司 | Multiple-frequency-band antenna device for near field communication and application system thereof |
| WO2012152183A1 (en) * | 2011-05-09 | 2012-11-15 | 国民技术股份有限公司 | Near field communication multi-band antenna device and application system thereof |
| CN106228224A (en) * | 2016-07-11 | 2016-12-14 | 天津中兴智联科技有限公司 | A kind of electronic tag of compatible multi-protocols |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100714 |
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| CX01 | Expiry of patent term |