CN104346592B - A kind of close range wireless communication equipment, card and a kind of information cuing method - Google Patents
A kind of close range wireless communication equipment, card and a kind of information cuing method Download PDFInfo
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- CN104346592B CN104346592B CN201310344233.9A CN201310344233A CN104346592B CN 104346592 B CN104346592 B CN 104346592B CN 201310344233 A CN201310344233 A CN 201310344233A CN 104346592 B CN104346592 B CN 104346592B
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Abstract
The invention discloses a kind of close range wireless communication equipment, card and a kind of information cuing method, it is provided with electromagnetic coil in the wireless telecommunications system and the electromagnetic control circuit of electromagnetic coil can be controlled, it is provided with permanent magnet in the wireless communication card, in this way, when carrying out a certain transaction in wireless telecommunications system, different transaction results can be prompted user by its processor by controlling the energization direction of electromagnetic coil and the difference of break-make sequential, directly effect is exactly by the absorption to wireless communication card, repel or adsorbs and repel the effect of alternately superposition to prompt customer transaction situation.Disclosed close range wireless communication equipment, card and information cuing method through the embodiment of the present invention, user directly can feel active force of the wireless telecommunications system to wireless communication card by the limbs contacted with wireless communication card, light and other noises are not influenced this method in by environment, can accurately and effectively prompt the trading situation of user radio communication apparatus.
Description
Technical field
The present invention relates to wireless communication technique fields, and more specifically, it relates to a kind of close range wireless communication equipment, cards
And a kind of information cuing method.
Background technology
With social electronization and information-based more and more deep development, many things can pass through electronic information technology
To realize.The continuous development of electronic information technology so that the daily work of people and life become increasingly to facilitate.
Transaction of swiping the card is the most common type trading activity in life, since it has operation simple, conveniently special
Point, therefore be widely used in society.After user card punching merchandises success or failure, often pass through certain side
Formula prompts user card punching success, to facilitate user to carry out follow-up related work.In the prior art, swipe the card transaction success or failure
Afterwards, user card punching transaction performance is generally prompted by LED light or prompt tone.But due to including the POS
The application places complexity of wireless telecommunications system is various, this this may result in user and does not receive the POS or wireless telecommunications accurately
The prompt message that equipment is sent out, user do not know about whether transaction of swiping the card succeeds, to influence user's subsequent normal operation.
Invention content
In view of this, the present invention provides a kind of close range wireless communication equipment, card and a kind of information cuing method, with gram
It takes in the prior art caused by prompting the transaction of user radio communication apparatus whether successful using LED light or prompt tone,
The problem of user possibly can not accurately receive wireless telecommunications system trading situation prompt message.
To achieve the above object, the present invention provides the following technical solutions：
A kind of close range wireless communication equipment, including：
Electromagnetic control circuit, the control instruction for being sent according to processor generate the electric current for controlling electromagnetic coil and believe
Number；
Electromagnetic coil, the current signal for being sent according to the electromagnetic control circuit generate corresponding with the current signal
The first signal.
Optionally, the electromagnetic control circuit is H-bridge circuit or double-pole double throw circuit.
Optionally, the control instruction includes turning circuit information and energization timing information.
Optionally, first signal includes the polarity that electromagnetic coil forms electromagnet when being powered.
A kind of close range wireless communication card, including：
Permanent magnet, for incuding the first signal that electromagnetic coil generates in close range wireless communication equipment.
Optionally, first signal includes the polarity that electromagnetic coil forms power supply when being powered.
A kind of information cuing method, applied to the wireless telecommunications system for having near field communication (NFC), including：
Wireless telecommunications system obtains the first information of wireless communication card；
Deliberate action is executed according to the first information；
Control instruction is generated according to the implementing result of the deliberate action；
Execute the control instruction.
Optionally, described that control instruction is generated according to the implementing result of the deliberate action, including：
Preconfigured action implementing result and control instruction relation table are inquired, determines the execution knot with the deliberate action
The title of the corresponding control instruction of fruit；
The control instruction is obtained from local storage according to the title of the control instruction.
Optionally, before the first information that the wireless telecommunications system obtains wireless communication card, further include：
The wireless telecommunications system identifies the wireless communication card by wireless communication module, and with the wireless communication card
Establish connection.
Optionally, the electromagnetic control circuit that the control instruction is used to control in the wireless telecommunications system executes accordingly
Action；The electromagnetic control circuit is used to control the electromagnetic coil in the wireless telecommunications system.
Optionally, the electromagnetic control circuit is H-bridge circuit or double-pole double throw circuit.
Optionally, the control instruction includes turning circuit information and energization timing information.
It can be seen via above technical scheme that compared with prior art, the embodiment of the invention discloses a kind of short distance nothings
Line communication apparatus, card and a kind of information cuing method are provided with electromagnetic coil in the wireless telecommunications system and can control electricity
The electromagnetic control circuit of magnetic coil is provided with permanent magnet in the wireless communication card, in this way, when carrying out certain in wireless telecommunications system
When item transaction, different transaction results can be passed through energization direction and the difference of break-make sequential for controlling electromagnetic coil by processor
To prompt user, it is exactly by replacing the effect being superimposed to the absorption of wireless communication card, repulsion or absorption and repulsion directly to act on
To prompt customer transaction situation.Disclosed close range wireless communication equipment, card and information cuing method through the embodiment of the present invention,
User directly can feel active force of the wireless telecommunications system to wireless communication card by the limbs contacted with wireless communication card,
Light and other noises are not influenced this method in by environment, can accurately and effectively prompt the transaction of user radio communication apparatus
Situation.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural schematic diagram of close range wireless communication equipment disclosed by the embodiments of the present invention；
Fig. 2 is the structural schematic diagram of close range wireless communication card disclosed by the embodiments of the present invention；
Fig. 3 is the flow chart of information cuing method disclosed by the embodiments of the present invention；
Fig. 4 is the flow chart disclosed by the embodiments of the present invention that control instruction is generated according to the implementing result of default result；
Fig. 5 is the flow chart of another information cuing method disclosed by the embodiments of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 is the structural schematic diagram of close range wireless communication equipment disclosed by the embodiments of the present invention, shown in Figure 1, institute
Stating close range wireless communication equipment 10 may include：
Processor 101, for sending control instruction to electromagnetic control circuit；
Wherein, the processor 101 can send control instruction according to transaction results to the electromagnetic control circuit, no
There may be different control instructions for same transaction results.
Electromagnetic control circuit 102, the control instruction for being sent according to processor generate the electricity for controlling electromagnetic coil
Flow signal；
Wherein, the electromagnetic control circuit 102 can be H-bridge circuit, can also be double-pole double throw circuit, as long as can expire
Foot enables the electromagnetic control circuit 102 to the requirement of the electric current of electromagnetic coil conveying different directions, so that controlled
The different electromagnet of polarity can be formed in the electromagnetic coil of the electromagnetic control circuit 102.Therefore, the processor is sent to
The control instruction of the electromagnetic control circuit 102 may include turning circuit information and energization timing information.Wherein, the conducting
Circuit information can indicate the current direction for the current signal that the electromagnetic control circuit 102 is conveyed to the electromagnetic coil；
The energization timing information can indicate that electromagnetic control circuit 102 conveys the time of current signal to the electromagnetic coil.
The electromagnetic control circuit 102 is directly controlled by the processor in the close range wireless communication equipment, when described
When close range wireless communication equipment has carried out a certain operation or has triggered certain instruction, so that it may to send out control instruction to the electromagnetism
Control circuit 102, so that the electromagnetic control circuit 102 executes corresponding action.For example, the close range wireless communication is set
Standby is the POS, and after the POS, which successfully completes, once swipes the card transaction, a finger can be sent to the electromagnetic control circuit 102
Show that transaction successfully instruction, the electromagnetic control circuit 102 are then acted according to the instruction execution.
Other than above-mentioned electromagnetic control circuit 102, the close range wireless communication equipment further includes electromagnetic coil 103, institute
State current signal generation of the electromagnetic coil 103 for sending according to the electromagnetic control circuit corresponding with the current signal the
One signal.
The electromagnetic coil 103, can be according to this after the current signal for receiving the transmission of the electromagnetic control circuit 102
The current direction and current switching sequential of current signal are interior in different times to form the different electromagnet of polarity, so as to right
The active force that the magnet substance occurred in a certain range generates absorption or repels.For example, the close range wireless communication equipment is
The POS, when having magnet substance on card, after the POS, which swipe the card, merchandises successfully, the electromagnetic control circuit 102
It sends out current signal and controls the active force that the generation of the electromagnetic coil 103 is mutually repelled with the card with magnet substance, with prompt
What card of user is merchandised successfully, can take card away；And after the POS swipe the card Fail Transaction, the electromagnetic control circuit
102, which send out current signal, controls the active force that the electromagnetic coil 103 generates and the card with magnet substance mutually adsorbs, with
Prompt user card punching transaction does not succeed, and needs to brush again.
Wherein first signal includes just the polarity for the electromagnet that the electromagnetic coil 103 is formed when being powered, no
Equidirectional current signal can make the electromagnetic coil 103 form the different electromagnet of polarity.
Certainly, in addition to above-mentioned processor 101, electromagnetic control circuit 102 and electromagnetic coil 103, the near radio is logical
It also includes NFC that it is inevitable, which to interrogate equipment,（Near Field Communication, near field communication (NFC)）Transceiver, due to
NFC transceiver be in existing close range wireless communication equipment just comprising component part, therefore in embodiments of the present invention, and
Detailed introduction explanation is not done to NFC transceiver.
In the present embodiment, it is provided with electromagnetic coil in the close range wireless communication equipment and electromagnetic coil can be controlled
Electromagnetic control circuit is provided with permanent magnet in the wireless communication card, in this way, when carrying out a certain transaction in wireless telecommunications system
When, processor can prompt different transaction results by controlling the energization direction of electromagnetic coil and the difference of break-make sequential
User, directly effect are exactly to be prompted by the effect to the absorption of wireless communication card, repulsion or absorption and repulsion alternating superposition
Customer transaction situation.It enables a user to directly feel wireless telecommunications system by the limbs contacted with wireless communication card
To the active force of wireless communication card, light and other noises are not influenced this method in by environment, can accurately and effectively be prompted
The trading situation of user radio communication apparatus.
In one embodiment, the close range wireless communication equipment can be Quick Response Code barcode scanner, can sweep
Retouch card or the Quick Response Code on other objects and/or bar code.Electromagnetic Control electricity is provided in the Quick Response Code barcode scanner
Road and electromagnetic coil.Wherein, the control instruction that the electromagnetic control circuit can be sent according to processor is generated for controlling electricity
The current signal of magnetic coil；The electromagnetic coil can according to the electromagnetic control circuit send current signal generate with it is described
Corresponding first signal of current signal.
The control instruction that the processor is sent to the electromagnetic control circuit may include turning circuit information and energization
Timing information.Wherein, the turning circuit information can indicate what the electromagnetic control circuit was conveyed to the electromagnetic coil
The current direction of current signal；The energization timing information can indicate that electromagnetic control circuit conveys electric current to the electromagnetic coil
The time of signal.
First signal may include the polarity for the electromagnet that the electromagnetic coil 103 is formed when being powered, not Tongfang
To current signal the electromagnetic coil 103 can be made to form the different electromagnet of polarity, so as to going out in a certain range
The active force that existing magnet substance generates absorption or repels.
In this way, when being provided with permanent magnet, and the Quick Response Code barcode scanner end of scan in scanned card or object
Afterwards, the control instruction of corresponding scanning success or failure is sent out to the electromagnetic control circuit, the electricity according to the result of scanning
Control circuit just will produce the current signal in certain sequential and direction will when the electromagnetic coil is by the current signal
Electromagnet is formed, and corresponding repulsion force, adsorption or suction are generated to the card with permanent magnet or equipment
The attached active force with repulsion alternately, in this way, user carries permanent magnet according to known scanning result prompt message with described
Card or object active force reaction it is known that whether the Quick Response Code barcode scanner has scanned card or object
Success.
In the present embodiment, it is provided with electromagnetic coil in the Quick Response Code barcode scanner and the electricity of electromagnetic coil can be controlled
Control circuit is provided with permanent magnet in scanned with Quick Response Code or bar code, in this way, when Quick Response Code bar code is swept
When retouching device and scanning the Quick Response Code or bar code on scanned, processor, which can pass through different transaction results, controls electromagnetic wire
To prompt user, it is exactly by scanned absorption, repulsion directly to act on for the energization direction of circle and the difference of break-make sequential
Or it adsorbs and repels the effect of alternately superposition to prompt customer transaction situation.Enable a user to directly by with it is scanned
The limbs of object contact feel Quick Response Code barcode scanner to scanned active force, this method not in by environment light and its
The influence of his noise can accurately and effectively prompt the trading situation of user's Quick Response Code barcode scanner.
Fig. 2 is the structural schematic diagram of close range wireless communication card disclosed by the embodiments of the present invention, the close range wireless communication
Card can be used cooperatively with close range wireless communication equipment disclosed in above-described embodiment, shown in Figure 2, the near radio
Address card 20 may include：
Permanent magnet 201, for incuding the first signal that electromagnetic coil generates in close range wireless communication equipment；
It is provided with electromagnetic control circuit and electromagnetic wire in close range wireless communication equipment described in upper one embodiment
Circle, the electromagnetic coil can be powered to forming electromagnet under the control for the current signal that the electromagnetic control circuit is sent, and
And the current signal that is sent to the electromagnetic coil of the electromagnetic control circuit can be that direction is different and the electric current with sequential,
To which the electromagnet that the electromagnetic coil is formed can be in different times the different electromagnet of polarity, in this way, the low coverage
Electromagnet from permanent magnet 201 and electromagnetic coil formation in wireless communication card 20 may will produce in different times
The active force for repelling or adsorbing, user is when carrying out near radio transaction, it will be able to prompt to advise according to known transaction results
It is then reacted with the active force of the close range wireless communication card to understand trading situation.
It should be noted that transaction results prompt rules can be configured according to user's needs, form is prompted
There are many, such as can be individual repulsion force, individual adsorption, first repel the active force adsorbed afterwards, first inhale
The form that active force, absorption and the repulsion force interaction of attached repulsion carry out.
NFC antenna 202, for the NFC transceiver in identification distance into row data communication.
In the present embodiment, it is provided with permanent magnet in the close range wireless communication card, to close to equipped with electromagnetic coil
Close range wireless communication equipment and merchandise after, can with formed electromagnet electromagnetic coil generate absorption or repel effect
Power so that user directly can feel wireless telecommunications system to wireless communication card by the limbs contacted with wireless communication card
Active force, light and other noises are not influenced this method in by environment, and user radio communication can accurately and effectively be prompted to set
Standby trading situation.
Fig. 3 is the flow chart of information cuing method disclosed by the embodiments of the present invention, and it is public that this method is applied to above-described embodiment
The close range wireless communication equipment opened, shown in Figure 3, described information reminding method may include：
Step 301：Wireless telecommunications system obtains the first information of wireless communication card；
After the wireless telecommunications system and the wireless communication card establish connection, the wireless telecommunications system can be read
To the information carried in the wireless communication card.
Wherein, the first information can with but do not limit be the wireless telecommunications card holder identity information or account believe
Breath.
Step 302：Deliberate action is executed according to the first information；
When the wireless telecommunications system is punched-card machine, the deliberate action in step 302 can be that display is described wireless
Communicate the identity information of card holder；When the wireless telecommunications system is the POS, the deliberate action in step 302 can be
Consumption information input by user is received, and deducts gold corresponding with the consumption information from the account of the wireless communication card
Volume.
Step 303：Control instruction is generated according to the implementing result of the deliberate action；
There are two types of the implementing results of deliberate action in step 302, that is, run succeeded or failure, when deliberate action execute at
When work(, system will produce control instruction corresponding with running succeeded；When deliberate action executes failure, system will produce in execution
The corresponding control instruction of failure.Control instruction in step 303 may include turning circuit information and energization timing information, these
Information is used to control the electromagnetic control circuit in the wireless telecommunications system and executes corresponding action；The electromagnetic control circuit is used
Electromagnetic coil in the control wireless telecommunications system.Specifically, the electromagnetic control circuit can control the electromagnetic wire
Sense of current and break-make sequential in circle, so that the electromagnetic coil can form the different electromagnetism of polarity in different times
Iron, and the active force that the wireless communication card for being provided with permanent magnet can be generated absorption or be repelled.
Wherein, the electromagnetic control circuit can be H-bridge circuit or double-pole double throw circuit, as long as disclosure satisfy that can control
The requirement of the different electric current in direction is connected in the electromagnetic coil.
In a schematical example, the detailed process of step 303 may refer to Fig. 4, and Fig. 4 is that the embodiment of the present invention is public
That opens generates the flow chart of control instruction according to the implementing result of default result, shown in Figure 4, may include：
Step 401：Preconfigured action implementing result and control instruction relation table are inquired, is determined and the deliberate action
The corresponding control instruction of implementing result title；
Step 402：The control instruction is obtained from local storage according to the title of the control instruction.
Fig. 3 is gone back to, enters step 304.
Step 304：Execute the control instruction.
The control instruction can indicate that the electromagnetic control circuit conveys clockwise electricity to the electromagnetic coil
The electric current that stream can also be anticlockwise electric current or alternately connect clockwise and counterclockwise, so that the channel radio
Various forms of active forces can be generated to the wireless communication card by interrogating equipment, be prompted accordingly to user.
Fig. 5 is the flow chart of another information cuing method disclosed by the embodiments of the present invention, and this method applies equally to
State close range wireless communication equipment disclosed in embodiment.This method obtains the first information of wireless communication card in wireless telecommunications system
Before, can also include the steps that affiliated wireless telecommunications system and wireless communication card establish connection, specifically, shown in Figure 5, packet
Include following steps：
Step 501：Wireless telecommunications system identifies the wireless communication card by wireless communication module, and with the channel radio
News card establishes connection；
Wherein, the wireless communication module can be NFC transceiver.
Step 502：Wireless telecommunications system obtains the first information of wireless communication card；
Step 503：Deliberate action is executed according to the first information；
Step 504：Control instruction is generated according to the implementing result of the deliberate action；
Step 505：Execute the control instruction.
In the corresponding embodiments of Fig. 3, more detailed introduction is done to step 502-505 and has been illustrated, it is no longer heavy herein
It repeats again, the description content of relevant portion in upper one embodiment is can refer to the understanding of step 502-505.
In the present embodiment, the wireless telecommunications that described information reminding method is applied to have near field communication (NFC) are set
It is standby, electromagnetic coil is provided in the wireless telecommunications system and the electromagnetic control circuit of electromagnetic coil can be controlled, be provided with
When the wireless communication card of permanent magnet is traded, different transaction results can be passed through the energization of control electromagnetic coil by processor
The difference of direction and break-make sequential prompts user, and directly effect is exactly by the absorption, repulsion or absorption to wireless communication card
Customer transaction situation is prompted with the effect that alternating is superimposed is repelled.Disclosed close range wireless communication is set through the embodiment of the present invention
Standby, card and information cuing method, user directly can feel wireless telecommunications system by the limbs contacted with wireless communication card
To the active force of wireless communication card, light and other noises are not influenced this method in by environment, can accurately and effectively be prompted
The trading situation of user radio communication apparatus.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related place is said referring to method part
It is bright.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory（RAM）, memory, read-only deposit
Reservoir（ROM）, electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (9)
1. a kind of close range wireless communication equipment, which is characterized in that including：
Electromagnetic control circuit, for being generated according to the different control instructions for swiping the card transaction results transmission for controlling according to processor
The current signal of electromagnetic coil；
Electromagnetic coil, current signal generation for being sent according to the electromagnetic control circuit corresponding with the current signal the
One signal, first signal include the polarity that electromagnetic coil forms electromagnet when being powered；
Wherein, it is provided with permanent magnet in wireless communication card, when carrying out a certain transaction in wireless telecommunications system, difference is swiped the card friendship
Easy result prompts user by controlling the energization direction of electromagnetic coil and the difference of break-make sequential, by wireless communication card
Absorption is repelled or adsorbs and repel the effect of alternately superposition to prompt customer transaction situation.
2. communication apparatus according to claim 1, which is characterized in that the electromagnetic control circuit is H-bridge circuit or double-pole
Double-throw circuit.
3. communication apparatus according to claim 2, which is characterized in that the control instruction includes turning circuit information and leads to
Electric timing information.
4. a kind of information cuing method, applied to the wireless telecommunications for having near field communication (NFC) described in claim 1
Equipment, which is characterized in that including：
Wireless telecommunications system obtains the first information of wireless communication card；
Deliberate action is executed according to the first information；
Control instruction is generated according to the implementing result of the deliberate action；
Execute the control instruction.
5. according to the method described in claim 4, it is characterized in that, described generate control according to the implementing result of the deliberate action
System instruction, including：
Preconfigured action implementing result and control instruction relation table are inquired, determines the implementing result pair with the deliberate action
The title for the control instruction answered；
The control instruction is obtained from local storage according to the title of the control instruction.
6. according to the method described in claim 4, it is characterized in that, obtaining the of wireless communication card in the wireless telecommunications system
Before one information, further include：
The wireless telecommunications system identifies the wireless communication card by wireless communication module, and is established with the wireless communication card
Connection.
7. according to the method described in claim 4, it is characterized in that, the control instruction is for controlling the wireless telecommunications system
In electromagnetic control circuit execute corresponding action；The electromagnetic control circuit is used to control the electricity in the wireless telecommunications system
Magnetic coil.
8. the method according to the description of claim 7 is characterized in that the electromagnetic control circuit is H-bridge circuit or double-pole double throw
Circuit.
9. according to the method described in claim 8, it is characterized in that, when the control instruction includes turning circuit information and is powered
Sequence information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310344233.9A CN104346592B (en) | 2013-08-08 | 2013-08-08 | A kind of close range wireless communication equipment, card and a kind of information cuing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310344233.9A CN104346592B (en) | 2013-08-08 | 2013-08-08 | A kind of close range wireless communication equipment, card and a kind of information cuing method |
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| CN104346592B true CN104346592B (en) | 2018-08-10 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6323769B1 (en) * | 1995-04-04 | 2001-11-27 | Flying Null Limited | Apparatus for interrogating a magnetically coded tag |
| CN1653372A (en) * | 2002-05-14 | 2005-08-10 | 奥林巴斯株式会社 | Barcode reader |
| CN101901327A (en) * | 2008-12-11 | 2010-12-01 | 韩国电子通信研究院 | Radio frequency identification apparatus |
-
2013
- 2013-08-08 CN CN201310344233.9A patent/CN104346592B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6323769B1 (en) * | 1995-04-04 | 2001-11-27 | Flying Null Limited | Apparatus for interrogating a magnetically coded tag |
| CN1653372A (en) * | 2002-05-14 | 2005-08-10 | 奥林巴斯株式会社 | Barcode reader |
| CN101901327A (en) * | 2008-12-11 | 2010-12-01 | 韩国电子通信研究院 | Radio frequency identification apparatus |
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| Publication number | Publication date |
|---|---|
| CN104346592A (en) | 2015-02-11 |
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