CN100354873C - Electronic label sensing system and method - Google Patents
Electronic label sensing system and method Download PDFInfo
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- CN100354873C CN100354873C CNB2004100316937A CN200410031693A CN100354873C CN 100354873 C CN100354873 C CN 100354873C CN B2004100316937 A CNB2004100316937 A CN B2004100316937A CN 200410031693 A CN200410031693 A CN 200410031693A CN 100354873 C CN100354873 C CN 100354873C
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- electronic tag
- conducting path
- sensing system
- transceiver
- tag sensing
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Abstract
The present invention discloses an electronic label sensing system and a method thereof. The electronic label sensing system comprises a conduction path of a first conducting wire and a second conducting wire, an electronic label transceiver and a controller, wherein the electronic label transceiver is provided with one or more delayed conduction paths of which the spaces are dispersed and are coupled with the capacitance of the first conducting wire and the second conducting wire; the controller provides DC signals on the conduction path and receives signals from the electronic label transceiver; the conduction path and the electronic label transceiver can form an elastic base, and are matched together.
Description
Technical field
The present invention relates to a kind of electronic tag sensing system and method, particularly a kind of distributed electronic tag senses system and method.
Background technology
(Radio Frequency Identification, RFID) system of distinguishing natural forms in order to long-range is known to electronic tag by system.Identifier can also refer to a transactor or a label.In overwhelming majority's application, the transactor of electronic tag is an integrated circuit (IC) chip pattern, and its most typical pattern is from wafer, is attached to the silicon wafer on the substrate conductive pattern.Electronic tag is ask the machine of answering can built-in inductor in chip or on the substrate, with according to consciousness operation go induction or perception one triggering, and transmit a signal.This inductor can be the analogue inductive device, with the many triggerings of perception, as pressure, brightness, temperature, touching, chemical constitution and biotic component etc.The electronic tag label can see through the rf channel wireless signal transmission and give central reader.
Fig. 1 is the signal that known electronic tag reading system receives to be provided by one or more electronic tag sensor label, and these electronic tag sensor labels are distributed in the synoptic diagram in a zone.This electronic tag reading system has generally included e-tag reader 102, and it is connected with a plurality of antennas 104, and sees through cable 106, and power supply and data signal can be transmitted.Such configuration is to need expensive cable 106 and antennas 104, especially when dealing with many electronic tag inductors that blazons.
Electronic tag sensing system inside or the antenna in system 104 can individually be adjusted according to its place environment, thus, promptly can increase the complexity of total system.Radio frequency transmission also only can limit minority specific carriers signal band usually, and this carrier signal Be Controlled tightly, not transmit the side frequency signal.
These and other known electronic labelling system need expend many costs.How reducing the cost and the complexity of electronic tag assembly and system, is several key factors of increasing sharply for electronic labelling system scheduling in the future.
Summary of the invention
The purpose of this invention is to provide a kind of electronic tag sensing system and method, the signal of being sent in order to the electronic tag sensing transceiver that receives one or more spatial dispersion.These transceivers can be the employed electronic tag labels of subcompact, comprise electronic label chip and nonresonant conductive substrate.
This electronic tag sensing system has the electronic tag transceiver of at least one spatial dispersion, and this system comprises first conducting path and second conducting path, is used to receive the induced signal that one or more electronic tag transceiver is sent.This system also comprises controller, provides carrier signal on first conducting path and second conducting path, to receive induced signal by first conducting path and second conducting path.
In other embodiments, this electronic tag sensing system comprises the conducting path with first lead, second lead, and distributes and electric capacity is coupled at least one electronic tag transceiver of first lead and second lead along conducting path.And this system also includes controller and couples conducting path, and controller then includes oscillator, is used for providing on above-mentioned conducting path a direct current signal.
In addition, the triggering of electronic tag can comprise: this triggering of electronic tag transceiver perception, with according to this triggering for generating induced signal, and this induced signal of capacitive coupling is to conducting path, and transmits this induced signal to one signal reader on this bang path.
Other notion according to the present invention, system can comprise a plurality of passive electronic tag transceivers, each had inductor in these passive electronic tag transceivers, this system also comprises a plurality of leads, and these leads are positioned near the passive electronic tag transceiver, and couple for electric capacity between these leads and these passive electronic tag transceivers.This system also comprise controller be coupled to these leads couple to influence electric capacity, to provide these passive electronic tag transceiver power supplys and to receive by the resulting induction data of these passive electronic tag transceivers.Wherein, each in these passive electronic tag transceivers also includes the electronic label chip add-on module, and inductor is made up of integrated circuit, and these leads are positioned near the electronic label chip add-on module.These leads comprise first call wire and second call wire.Antenna can be coupled between first and second call wire one at least, gives external reader to allow radio frequency transmission.
Advantage of the present invention is: system proposed by the invention compares with conventional system, when big system resilience is provided, also economizes the assembly that removes many costlinesses simultaneously.The cost of electronic tag sensing system is simplified and can be reduced to this system's utmost point.E-tag reader can be replaced by a quite cheap controller, and system can use in new application, for example is other expensive or problematic application.Above-mentioned electronic tag sensing system can be used for monitoring the different nodes on the printed circuit board (PCB) or is used for mini system, as automobile.The quantity of induction transceiver can be disposed fully without restriction.In addition, said system also can be used radio frequency transmission and extraneous communication to reach general bus by increasing antenna.
Do not use the reason of the antenna of polymorphic type radio-frequency (RF) tag to be, each antenna needs do at its place environment tuning, and each antenna has a standard module independent frequency, and each has its append mode.The cost of one standard module is than using polymorphic type electronic tag label (containing antenna) cheaply many.Each has the single module of its inductor alone and can be tested in advance before system attachment prior to.Said system can be utilized the carrier signal on rigid line, and therefore, what need at this is not radio frequency transmission, and radio frequency transmission must be propped up the standard that is assigned in government and therefore be increased system cost.This module can be increased, and is put, and puts module near lead.Yet append mode can be implemented simply, for example uses precious responsive adhesive agent.
For the ease of further understanding feature of the present invention, purpose and function, the present invention is described in detail with instantiation below in conjunction with accompanying drawing.
System and technology in this narration relate to RF-coupled electronic labelling system, it should be noted that it only uses a few components and provides more known electronic tag sensing system to have bigger accommodation.
Description of drawings
Fig. 1 is the synoptic diagram of the electronic tag label reading system of known use antenna and transmission yarn network;
Fig. 2 is the block scheme with electronic labelling system of the electronic tag sensing wireless set that one or more spatial dispersion distributes;
Fig. 3 A is the top view that electronic tag sensing transceiver is capacitively coupled to conducting path;
Fig. 3 B is the side view that electronic tag sensing transceiver is capacitively coupled to bang path; And
Fig. 4 comprises that an antenna is coupled to the block scheme of the electronic tag sensing system of conducting path.
Description of reference numerals: 102 e-tag reader; 104 antennas; 106 cables; 200,300 electronic tag sensing transceivers; 202,302 first bang paths; 204,304 second bang paths; 206 controllers; 208 readers; 306 electronic tag sensor chips; 308 chip attach modules; 402 antennas.
Embodiment
Fig. 2 is the block scheme that receives the RF sensing system of the RF sensing radio receiver signal of spatial spread in a zone.This electronic tag sensing transceiver 200 is used to provide an induced signal with the triggering that response is detected, and for example is triggerings such as pressure, brightness, temperature, touching, chemical constitution, biotic component.Electronic tag sensing transceiver 200 can be detected the triggering or the eurypalynous triggering of other type.
RF sensing distinguishes that sensing system comprises first conducting path 202 and second conducting path 204.This first and second conducting path 202,204 can with electronic tag sensing transceiver capacitive coupling, but also can directly be coupled.Conducting path 202,204 can be copper or silver-colored conductive pad to be attached on the substrate form.In the conducting path 202,204 each is used for the conduction carrier signal, and this carrier signal can have concurrently provides electronic tag sensing transceiver 200 power supplys and carrying to see through the induced signal that capacitive coupling is exported by electronic tag sensing transceiver 200.In one embodiment, first and second conducting path 202,204 has the width of 1-10 Mill (per mille inch) each other, i.e. essence parallel connection to each other, and apart 1-10 Mill.The present invention also can use other size and arrangement.When one triggers by detecting, electronic tag sensing transceiver 200 can capacitive coupling one induced signal on bang path 202 and 204, with by the carrier signal transmission.
This electronic tag sensing system also comprises a controller 206, and it provides the carrier signal to the first and second conducting path 202,204.This controller 206 is provided with in order to receive the induced signal on the carrier signal of being positioned at from first and second conducting path 202,204.This controller 206 comprises that also an oscillator is to produce AC signal as carrier signal.In addition, also can use other device to produce this carrier signal.This carrier signal can be a low frequency signal, for example is 50-100MHz, does not therefore need accurate or huge control.Yet, no matter be that high frequency or low frequency all can use for carrier signal.Controller 206 and carrier signal can dispose use a big frequency range.If use the directly coupling time spent, can use direct current signal.
The electronic tag sensing system also comprises and couples the induced signal of a reader 208 to receive from electronic tag sensing transceiver via conducting path 202,204 and controller 206.In one embodiment, reader 208 couples controller 206.This reader 208 receives induced signal and parses an output according to induced signal.This reader 208 has logic, and this logic can use hardware, software or firmware, or above-mentioned combination in any.This logic can be used for a processor and reads the instruction of induced signal and parse an output according to induced signal with execution.The input signal response that this logic can be imported according to input interface and can be by configuration again.This logic can comprise one or more logical circuit.Those skilled in the art as can be known, therefore this logic can use many modes to reach, and is not limited to specific logical unit or technology.In addition, controller 206 and reader 208 can be integrated into single device, to be considered as the controller of electronic tag sensing system.
Fig. 3 A and Fig. 3 B are the different visual angles figure that is exposed to the electronic tag sensing transceiver on first conducting path and second conducting path of different visual angles.Each electronic tag sensing transceiver 300 comprises electronic label chip 306, and electronic label chip 306 couples a chip attach module 308.The power supply signal that this chip attach module 308 receives from first and second conducting path 302,304, and trigger so that induced signal to be provided according to electronic label chip 306 sensings one.In an electronic tag, chip 306 can be attached on the chip attach module 308 forming the electronic tag transceiver, and then the affix tuned antenna is to form the electronic tag label; And when system operation, this tuner module promptly is limited in a very narrow frequency range.In comparison, if electronic tag transceiver 300 can connect call wire to form above-mentioned spatial dispersion network, then the signal frequency of transmitting on the call wire can contain a big scope.The formation of these chip attach module 308 its outward appearances, can at can make electronic tag sensing transceiver 300 and conducting path 302 with and/or conducting path 304 capacity coupled leads and designing, can contain one on a large scale to allow linking up its frequency of signal.
Please refer to Fig. 3 B, first and second conducting path 302,304 can be formed on first substrate (layer), and electronic tag sensing transceiver 300 can be formed on second substrate (layer) to be stacked on first substrate (layer).Many technology can be in order to form this first and second substrate (layer).These layers can be fitted over together by the separation scroll bar of these layers.In other embodiments, this electronic tag sensing transceiver 300 also can match to conductive path layer individually.Lead on this substrate with and/or the formation of electronic tag sensing transceiver can form by a thin and flexible base material, for example be polyethylene terephthalate (PET) or other suitable material.The pairing of these substrates with so that conducting path 302,304 and electronic tag sensing transceiver 300 electric capacity couple or directly couple.
Fig. 4 is the electronic tag sensing system of other embodiment, comprises that electric wire 402 comes from a remote control end or non-coupling electronic tag sensing transceiver with reception, or the radiofrequency signal of other radio-frequency signal source.This antenna 402 can be connected in conducting path 202,204 one of them.In view of the above, this connected conducting path 402, controller 206, and reader 208 all can receive a plurality of different frequencies that come from a plurality of signal sources or the induced signal of number of signals.
The above only is preferred embodiment of the present invention, can not limit the scope of the invention with this.All equalizations of doing according to claim of the present invention change and modify, will not lose main idea of the present invention place, also do not break away from the spirit and scope of the present invention, all should be considered as further enforcement of the present invention.
Claims (13)
1, a kind of electronic tag sensing system, this system has the electronic tag transceiver of at least one spatial dispersion, it is characterized in that: this system comprises:
One first conducting path and one second conducting path, be used to receive the induced signal that this electronic tag transceiver is sent, and described electronic tag transceiver simultaneously with described first conducting path with the coupling of described second conducting path and along described first conducting path and the distribution of described second conducting path; And
One controller provides a carrier signal on this first conducting path and this second conducting path, to receive this induced signal by this first conducting path and this second conducting path.
2, electronic tag sensing system as claimed in claim 1 is characterized in that: this first conducting path and this second conducting path are in parallel each other.
3, electronic tag sensing system as claimed in claim 1, it is characterized in that: this controller comprises an oscillator, to provide an AC signal as this carrier signal.
4, electronic tag sensing system as claimed in claim 1 is characterized in that: also comprise:
One reader, in order to this controller communication, this reader has a logic, the induced signal that this logical analysis is sent by this electronic tag transceiver.
5, electronic tag sensing system as claimed in claim 1 is characterized in that: this induced signal is capacitively coupled to this first conducting path and this second conducting path by this electronic tag transceiver.
6, electronic tag sensing system as claimed in claim 1 is characterized in that: this this electronic tag transceiver triggers according to a perception, produces this induced signal.
7, electronic tag sensing system as claimed in claim 6 is characterized in that: it is a pressure activated, brightness triggering, a temperature triggered, a touch trigger that this perception triggers, a chemical constitution triggers and a biological composition one of triggers.
8, a kind of electronic tag sensing system, it is characterized in that: it comprises:
One conducting path has one first lead and one second lead;
At least one electronic tag transceiver is coupled to this first lead and this second lead along this conducting path distribution and electric capacity; And
One controller couples this conducting path, and is configured on the described conducting path so that a carrier signal to be provided.
9, electronic tag sensing system as claimed in claim 8, it is characterized in that: this controller comprises an oscillator.
10, electronic tag sensing system as claimed in claim 8 is characterized in that: each this electronic tag transceiver can trigger in perception one, to provide an induced signal to this conducting path by capacitive coupling.
11, electronic tag sensing system as claimed in claim 10 is characterized in that: this controller receives this induced signal that is provided by this electronic tag transceiver by this first lead and this second lead.
12, electronic tag sensing system as claimed in claim 10 is characterized in that: the triggering of this perception is a pressure activated, brightness triggering, a temperature triggered, a touch trigger, a chemical constitution triggers and a biological composition one of triggers.
13, electronic tag sensing system as claimed in claim 10 is characterized in that: this first lead and this second lead are in parallel each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100316937A CN100354873C (en) | 2004-04-13 | 2004-04-13 | Electronic label sensing system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100316937A CN100354873C (en) | 2004-04-13 | 2004-04-13 | Electronic label sensing system and method |
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| Publication Number | Publication Date |
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| CN1684090A CN1684090A (en) | 2005-10-19 |
| CN100354873C true CN100354873C (en) | 2007-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100316937A Expired - Lifetime CN100354873C (en) | 2004-04-13 | 2004-04-13 | Electronic label sensing system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9155172B2 (en) * | 2011-05-13 | 2015-10-06 | Lutron Electronics Co., Inc. | Load control device having an electrically isolated antenna |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4394655A (en) * | 1981-03-13 | 1983-07-19 | Baker Industries, Inc. | Bidirectional, interactive fire detection system |
| US20040046016A1 (en) * | 2002-09-05 | 2004-03-11 | Honeywell International Inc. | Rfid tag having multiple transceivers |
| US6714133B2 (en) * | 1999-12-15 | 2004-03-30 | Koninklijke Philips Electronics N.V. | Short range communication system |
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2004
- 2004-04-13 CN CNB2004100316937A patent/CN100354873C/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4394655A (en) * | 1981-03-13 | 1983-07-19 | Baker Industries, Inc. | Bidirectional, interactive fire detection system |
| US6714133B2 (en) * | 1999-12-15 | 2004-03-30 | Koninklijke Philips Electronics N.V. | Short range communication system |
| US20040046016A1 (en) * | 2002-09-05 | 2004-03-11 | Honeywell International Inc. | Rfid tag having multiple transceivers |
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| CN1684090A (en) | 2005-10-19 |
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Address after: 7, 9 floor, No. two, No. 000000, Science Industrial Park, Hsinchu, Taiwan Patentee after: ClarIDy Solutions, Inc. Address before: 000000 Taipei City, Taiwan Province, China Patentee before: ClarIDy Solutions, Inc. |
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Effective date of registration: 20220214 Address after: No. 187, two section of the main road, Nei Hu, Taipei, Taiwan, China Patentee after: MITAC INFORMATION TECHNOLOGY Corp. Address before: Taiwan, China Hsinchu Science Park 9 Industrial Park Road, No. 7, building two Patentee before: ClarIDy Solutions, Inc. |
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Granted publication date: 20071212 |