CN101377825A - Answering apparatus - Google Patents
Answering apparatus Download PDFInfo
- Publication number
- CN101377825A CN101377825A CNA2007101455659A CN200710145565A CN101377825A CN 101377825 A CN101377825 A CN 101377825A CN A2007101455659 A CNA2007101455659 A CN A2007101455659A CN 200710145565 A CN200710145565 A CN 200710145565A CN 101377825 A CN101377825 A CN 101377825A
- Authority
- CN
- China
- Prior art keywords
- transponder
- answering device
- function
- mode selector
- internal memory
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000006870 function Effects 0.000 claims description 26
- 239000000872 buffer Substances 0.000 claims description 15
- 230000004913 activation Effects 0.000 claims description 13
- 230000004044 response Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 description 12
- 238000012217 deletion Methods 0.000 description 3
- 230000037430 deletion Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
Images
Landscapes
- Near-Field Transmission Systems (AREA)
Abstract
The invention discloses a responding device, which comprises a mode selector and a responder. The responder (a radio frequency identification (RFID) tag for instance) is coupled with the mode selector (a mechanical switch for instance), and has one function. When the mode selector is actuated and the responder receives a switch command sent in a wireless way, the function is selectively switched between enabled state and disenabled state.
Description
Technical field
The present invention relates to a kind of answering device, particularly relate to a kind of answering device that does not have privacy risk.
Background technology
Radio-frequency (RF) identification (RFID) label is the technology that everybody knows.Because cost is low and size is little, the RFID label can be widely used.
On the other hand, the RFID label but causes privacy risk.For example: in retail application, if a consumer buys a product that is provided with a RFID label, this consumer can't prevent that this RFID label from being read by a unwarranted RFID reading device, and does not know that also this RFID label is read under situation without their consent.
Below be various known method, be used to alleviate the privacy risk relevant with the RFID label:
In accordance with an electronic product code (EPC) label of EPCglobal second generation standard by when one " deletion (the Kill) " order that receives from a RFID reading device, " deletion " (just forever forbidden energy) himself, solve privacy risk.Yet this " deletion " method has but hindered many other possibilities in the retail application of this EPC label, and wherein many (for example returning goods) need this EPC label to remain activation after purchase.In addition, the forbidden energy of this EPC label can only confirm by using this RFID reading device that this EPC label is carried out a read operation.
No. 20060132313 a disclosed tearing type label of U.S. Patent Publication case (Clipped Tag) removes by the part of one label antenna, to shorten its opereating specification, protects a consumer privacy.This provides a kind of macroscopic method to limit this tearing type label and is being read at a distance, and still this tearing type label of activation closely is being read simultaneously, in order for example to return goods.Yet this tearing type label still is difficult to the privacy risk of avoiding above-mentioned.
The researchist of Vrije university is developed the RFID defender (RFID Guardian) that detecting a unwarranted RFID reading device when attempting reading a RFID label of its management, produces the caution sound that can hear.Yet this RFID label also is difficult to the privacy risk of avoiding above-mentioned.
RSA develops in the laboratory obstruct label (Blocker Tag) that and sends a undesired signal, prevents from himself to receive the signal from a unwarranted RFID reading device.Yet this obstruct label can be used by malice, with the operation of paralysis rfid system in retail environment.
Summary of the invention
The objective of the invention is is providing a kind of answering device, can overcome the above-mentioned shortcoming of prior art.
Answering device of the present invention comprises a mode selector and a transponder.This transponder is couple to this mode selector, and has a function.Under the situation that this mode selector activated, when this transponder receives one during by the switching command of wireless transmission, this function is optionally switched between activation and disabled state.
Beneficial effect of the present invention is: by this mode selector and this switching command, can protect privacy and solve the problem of for example returning goods.
Description of drawings
Fig. 1 is a block schematic diagram, and the preferred embodiment of answering device of the present invention is described;
Fig. 2 and Fig. 3 are process flow diagrams, the step that the answering device of key diagram 1 is performed.
Embodiment
The present invention is described in detail below in conjunction with drawings and Examples:
Consult Fig. 1, the preferred embodiment of answering device 1 of the present invention comprises a mode selector 11 and a transponder (Transponder) 12.
This mode selector 11 is the form of a mechanical switch, and has first and second end 111,112.In the present embodiment, this first end 111 of this mode selector 11 is electrically connected to an electrical ground connection (GND).
This transponder 12 has one and is electrically connected to the input 121 of this second end 112 of this mode selector 11, and comprises an internal memory that is used to store data 122, and a buffer 123 that is used to store a control bit.In the present embodiment, this transponder 12 has a function.This function comprise with this transponder 12 wireless receivings to data deposit its internal memory 122 (just during a write operation of 4 pairs of these transponders 12 of a read-write equipment) and wireless transmission in and be stored in data (just during a read operation of 4 pairs of these transponders 12 of this read-write equipment) in its internal memory 122.In another embodiment, this function of this transponder 12 include only with this transponder 12 wireless receivings to data deposit its internal memory 122 and wireless transmission in and be stored in data one in these two in its internal memory 122.Preferably, this transponder 12 is a radio-frequency (RF) identification (RFID) labels.
Activated under the situation of (Actuate) at this mode selector 11, when this transponder 12 receives from during by the switching command of wireless transmission (Switch Command) of this read-write equipment 4, this function of this transponder 12 is optionally switched between activation and disabled state.In the present embodiment, this function that this control bit in this buffer 123 of this transponder 12 is set to switch this transponder 12 whereby arrives this enabled status, and this function that is eliminated to switch this transponder 12 whereby arrives this disabled state.Selectively, this function that this control bit in this buffer 123 of this transponder 12 is eliminated to switch this transponder 12 whereby arrives this enabled status, and this function that is set to switch this transponder 12 whereby arrives this disabled state.
It should be noted that when this switching command that receives from this read-write equipment 4 this transponder 12 sends one first and responds (activateding at this mode selector 11 under the situation of (just being switched to conducting)) or one second and respond.This first responds this function comprise this transponder 12 has been switched to this activation and disabled state from the last person of the elder generation of this activation and disabled state a indication of present one.This second response comprises that this mode selector 11 does not activated an indication of (just being switched to not conducting).
No matter whether this mode selector 11 activated, receiving when requiring order (Request Command) from one of this read-write equipment 4, this transponder 12 also sends one the 3rd response.The 3rd responds an indication of present one of this activation of this function comprise this transponder 12 and disabled state.This this function that provides a kind of easy method to confirm this transponder 12 is in this activation or disabled state, and this read-write equipment 4 does not need this transponder 12 is carried out this read or write operation.
Fig. 2 illustrates the step that above-mentioned answering device 1 is performed.
In step 20, these transponder 12 wireless receivings are from this switching command of this read-write equipment 4.
In step 21, these transponder 12 detectings are imported a voltage logic level at 121 places at it.
In step 22, if this voltage logic level that detects in step 21 is low level (just this mode selector 11 is switched to conducting), flow process advances to step 23, otherwise (just this mode selector 11 is switched to not conducting), flow process advances to step 29.
In step 23, a voltage logic level of this control bit in these transponder 12 its buffers 123 of decision.
In step 24, be high levels if in step 23, determine this voltage logic level of this control bit in this buffer 123 of this transponder 12, flow process advances to step 25, otherwise flow process advances to step 27.
In step 25, this transponder 12 is revised as low level with this voltage logic level of this control bit in this buffer 123 of this transponder 12 from high levels.
In step 26, this transponder 12 sends this first response (comprising this control bit in its buffer 123) to this read-write equipment 4.Then, flow process is got back to step 20.
In step 27, this transponder 12 is revised as high levels with this voltage logic level of this control bit in its buffer 123 from low level.
In step 28, this transponder 12 sends this first response (comprising this control bit in its buffer 123) to this read-write equipment 4.Then, flow process is got back to step 20.
In step 29, this transponder 12 sends this and second respond to this read-write equipment 4.Then, flow process is got back to step 20.
Fig. 3 illustrates that the performed more multistep of this answering device 1 is rapid.
In step 30, these transponder 12 wireless receivings are from this requirement order of this read-write equipment 4.
In step 31, this transponder 12 sends the 3rd and responds (comprising this control bit in its buffer 123) to this read-write equipment 4.
From as can be known above; in retail application; when wanting to buy a privacy of protecting a consumer when being provided with the product of answering device 1 of the present invention; this function of this transponder 12 at first is switched to this disabled state; to prevent that whereby this transponder 12 from being read or writing by this read-write equipment 4; and this mode selector 11 then is switched to not conducting, is switched to this enabled status with this function that prevents this transponder 12 whereby by this read-write equipment 4.Then, when wanting that in order for example to return goods this function of this transponder 12 switched back this enabled status, this mode selector 11 at first must be switched back conducting.
Claims (15)
1. answering device is characterized in that it comprises:
A mode selector; And
A transponder is couple to this mode selector, and has a function, and under the situation that this mode selector activated, when this transponder receives one during by the switching command of wireless transmission, this function is optionally switched between activation and disabled state.
2. answering device as claimed in claim 1 is characterized in that: this transponder is a RFID tag.
3. answering device as claimed in claim 1 is characterized in that: this transponder comprises an internal memory, and this function of this transponder comprise with this transponder wireless receiving to data deposit this internal memory in.
4. answering device as claimed in claim 1 is characterized in that: this transponder comprises an internal memory that is used to store data, and this function of this transponder comprises that wireless transmission is stored in the data in this internal memory.
5. answering device as claimed in claim 1 is characterized in that: this transponder comprises an internal memory, and this function of this transponder comprise with this transponder wireless receiving to data deposit this internal memory and wireless transmission in and be stored in data in this internal memory.
6. answering device as claimed in claim 1 is characterized in that: this transponder sends one and responds when receiving this switching command.
7. answering device as claimed in claim 6, it is characterized in that: when this mode selector activated, this function that this response comprises this transponder had been switched to an indication of present one of this activation and disabled state from the last person of the elder generation of this activation and disabled state.
8. answering device as claimed in claim 6 is characterized in that: this response comprises the indication that this mode selector does not activated.
9. answering device as claimed in claim 1 is characterized in that: this transponder sends one and responds receiving one when requiring order, and this response comprises an indication of present one of this activation of this function of this transponder and disabled state.
10. answering device as claimed in claim 1, it is characterized in that: this transponder also comprises a buffer that stores a control bit, and by this control bit of revising in this buffer memory, this function of this transponder is optionally switched between this activation and disabled state.
11. answering device as claimed in claim 10, it is characterized in that: this function that this control bit in this buffer of this transponder is set to switch this transponder whereby arrives this enabled status, and this function that is eliminated to switch this transponder whereby arrives this disabled state.
12. answering device as claimed in claim 11 is characterized in that: this transponder sends one and responds when receiving this switching command.
13. answering device as claimed in claim 12 is characterized in that: when this mode selector activated, this response comprised this control bit in this buffer of this transponder.
14. answering device as claimed in claim 10 is characterized in that: this transponder sends one and responds receiving one when requiring order, and this response comprises this control bit in this buffer of this transponder.
15. answering device as claimed in claim 1 is characterized in that: this mode selector is the form of a mechanical switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101455659A CN101377825A (en) | 2007-08-28 | 2007-08-28 | Answering apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101455659A CN101377825A (en) | 2007-08-28 | 2007-08-28 | Answering apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101377825A true CN101377825A (en) | 2009-03-04 |
Family
ID=40421359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101455659A Pending CN101377825A (en) | 2007-08-28 | 2007-08-28 | Answering apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101377825A (en) |
-
2007
- 2007-08-28 CN CNA2007101455659A patent/CN101377825A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20080032626A1 (en) | Portable electronic apparatus with near field communication (nfc) application and method of operating the portable electronic apparatus | |
| EP2447872B1 (en) | Method and device for managing information exchange between for example a NFC controller and a set of at least two secure elements. | |
| US7791453B2 (en) | System and method for varying response amplitude of radio transponders | |
| JP5068122B2 (en) | RFID system | |
| US20080129463A1 (en) | RFID tag including ROM, method of impeding an RFID tag from being killed, and method of manufacturing an RFID tag | |
| WO2008043668A3 (en) | Method and system for protecting rfid tags on purchased goods | |
| CN103679250A (en) | Interface arbitration for wired tag | |
| CN113361293A (en) | Card swiping method, card controller, electronic device and storage medium | |
| CN104239834A (en) | Radio frequency identification reader system and control method thereof | |
| US8019927B2 (en) | Electronic tag system having bank status and controlling method thereof | |
| US20070279189A1 (en) | Communication method between host and RFID reader, host device, RFID reader, and RFID communication system | |
| US20100052912A1 (en) | Methods and apparatus for an id card security switch | |
| KR101265574B1 (en) | Rf card apparatus with tag function and control method thereof | |
| US20100164687A1 (en) | Rfid reader and identification method for identifying the same | |
| WO2009110668A1 (en) | Rfid tag apparatus for controlling of identification distance and method of operating rfid information using the apparatus | |
| CN101377825A (en) | Answering apparatus | |
| US8531272B2 (en) | RFID apparatus, wireless network platform, and operating method thereof | |
| US20150161421A1 (en) | Apparatus and method for controlling supply of power to radio frequency identification tag | |
| US20090066512A1 (en) | Transponder device | |
| WO2006116235A3 (en) | Adaptable rfid reader | |
| TW200910217A (en) | A responding device | |
| CN209821846U (en) | RFID tag | |
| JP4418219B2 (en) | Non-contact IC tag | |
| CN203311431U (en) | Wireless radio frequency identification reader system | |
| CN201741168U (en) | Node control device of wireless radio frequency identification system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20090304 |