CN204515806U - Article stowed location automatic station-keeping system - Google Patents
Article stowed location automatic station-keeping system Download PDFInfo
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- CN204515806U CN204515806U CN201520185609.0U CN201520185609U CN204515806U CN 204515806 U CN204515806 U CN 204515806U CN 201520185609 U CN201520185609 U CN 201520185609U CN 204515806 U CN204515806 U CN 204515806U
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Abstract
The utility model provides a kind of article stowed location automatic station-keeping system, comprise trigger, read head, terminal and some electronic tags, described electronic tag at least comprises microcontroller, radio-frequency antenna, low frequencies antenna and at least one low frequency reception antenna, realize low frequency signal between described trigger and a low frequency reception antenna of described electronic tag to transmit, realize radio signal transmission between described read head and a radio-frequency antenna of described electronic tag, described read head is connected with described terminal; Described electronic tag also comprises radio-frequency module, low frequency trigger module and low frequency reception module, all described low frequency reception antennas are all connected with described microcontroller by described low frequency reception module, described low frequencies antenna is connected with described microcontroller by described low frequency trigger module, and described radio-frequency antenna is connected with described microcontroller by described radio-frequency module.
Description
Technical field
The utility model relates to electronic tag, particularly relates to a kind of article stowed location automatic station-keeping system.
Background technology
Electronic tag is also known as radio-frequency (RF) tag, transponder, data carrier; Reader is also called readout device, scanner, read head, communicator, read write line (depend on electronic tag whether can wireless rewrite data).The space (contactless) realizing radiofrequency signal by coupling element between electronic tag with reader is coupled; In coupling channel, according to sequential relationship, realize transmission and the exchanges data of energy.
The basic functional principle of traditional RFID (radio-frequency (RF) identification) technology is also uncomplicated: after label enters magnetic field, receive the radiofrequency signal that plug-in reader sends, the energy obtained by means of induction current sends out storage product information (PassiveTag in the chips, passive label or passive label), or initiatively send the signal (ActiveTag, active label or active tag) of a certain frequency; Plug-in reader reads information and after decoding, delivers to CIS and carry out relevant data process.
In prior art, only can be realized the calculating of relative distance between the two alternately by the signal between electronic tag and reader, even in less spatial dimension, the location that also cannot realize between different article by electronic tag.
Utility model content
The technical problems to be solved in the utility model how to realize article stowed location by electronic tag automatically to locate.
In order to solve this technical matters, the utility model provides a kind of article stowed location automatic station-keeping system, in order to position the article of some stackings, comprises trigger, read head, terminal and some electronic tags,
Described trigger is in order to send the precharge trigger signal of low frequency to some electronic tags;
Described electronic tag in order to:
Respond described precharge trigger signal, after a stand-by period of presetting, send the trigger pip of low frequency; Different electronic tags is configured the different stand-by period according to the rule preset;
Respond the trigger pip received, send feedback signal to described read head;
Described trigger pip at least includes the label ID of the electronic tag sending this trigger pip, the RSSI intensity of the label ID that the trigger pip that described feedback signal at least includes the label ID of affiliated electronic tag, this electronic tag receives comprises and the trigger pip that this electronic tag receives; Each described electronic tag and trigger are all configured a different label ID;
Described terminal in order to:
Described feedback signal is received by described read head;
Obtain the position relationship between different electronic tag according to described feedback signal, and then obtain the position relationship that is provided with between the different article of different electronic tag.
Optionally, described electronic tag at least comprises microcontroller, radio-frequency antenna, low frequencies antenna and at least one low frequency reception antenna, and described microcontroller is at least configured to realize following functions:
Respond the trigger pip received from described low frequency reception antenna, send described feedback signal by described radio-frequency antenna; And:
Described trigger pip is sent by described low frequencies antenna.
Optionally, described feedback signal also comprises No. ID, the antenna of the low frequency reception antenna receiving trigger pip in affiliated label and corresponding RSSI intensity.
Optionally, realize low frequency signal and transmit between described trigger and a low frequency reception antenna of described electronic tag, realize radio signal transmission between described read head and a radio-frequency antenna of described electronic tag, described read head is connected with described terminal;
Optionally, described electronic tag also comprises radio-frequency module, low frequency trigger module and low frequency reception module, all described low frequency reception antennas are all connected with described microcontroller by described low frequency reception module, described low frequencies antenna is connected with described microcontroller by described low frequency trigger module, and described radio-frequency antenna is connected with described microcontroller by described radio-frequency module.
Optionally, described low frequencies antenna is different from the direction of low frequency reception antenna, and when the quantity at least two of described low frequency reception antenna, the direction of different low frequency reception antenna is all not identical.
Optionally, described read head at least comprises microcontroller, signal transmitting and receiving amplifier and read head radio-frequency antenna, described read head radio-frequency antenna is connected with described microcontroller by described signal transmitting and receiving amplifier, described read head radio-frequency antenna is at least in order to receive described feedback signal, and through described signal transmitting and receiving amplifier transfer to described microcontroller, described microcontroller is in order to be sent to described terminal by serial ports by the feedback signal received.
Optionally, described trigger at least comprises microcontroller, low frequency trigger antenna, low frequency power driving governor, power supply and at least one charge pump, described low frequency trigger antenna is connected with described microcontroller by described low frequency power driving governor, described power supply is on the one hand with thinking that described microcontroller is powered, after charge pump boosting described at least one, not described low frequency power driving governor is powered on the other hand, and described microcontroller is in order to send the precharge trigger signal of low frequency to some electronic tags by described low frequency trigger antenna.
The utility model additionally provides a kind of article stowed location automatic positioning method, comprises the steps:
S1: trigger sends the precharge trigger signal of low frequency to some electronic tags;
S2: some described electronic tags all respond described precharge trigger signal;
S3: after a stand-by period of presetting, one of them electronic tag sends the trigger pip of low frequency;
S4: the trigger pip that electronic tag response of step S3 adjacent with it sends, sends feedback signal to described read head;
S5: repeat step S3 and S4, until all electronic tags all sent described trigger pip; Wherein, the stand-by period of different electronic tag is configured the different stand-by period according to the rule preset;
S6: obtain the position relationship between different electronic tag according to described feedback signal, and then obtain the position relationship that is provided with between the different article of different electronic tag;
Wherein, described trigger pip at least includes the label ID of the electronic tag sending this trigger pip, the RSSI intensity of the label ID that the trigger pip that described feedback signal at least includes the label ID of affiliated electronic tag, this electronic tag receives comprises and the trigger pip that this electronic tag receives.
Optionally, described electronic tag at least comprises microcontroller, radio-frequency antenna, low frequencies antenna and at least one low frequency reception antenna, described microcontroller at least in order to:
Respond the described trigger pip that described low frequency reception antenna receives;
Trigger pip described in another is sent by described low frequencies antenna;
Feedback signal described in one is sent by described radio-frequency antenna.
Optionally, described feedback signal also comprises No. ID, the antenna of the low frequency reception antenna receiving trigger pip in affiliated label and corresponding RSSI intensity.
The utility model triggers and is triggered and distinguishes order before utilizing label and realizes successively triggering and being triggered, record the triggering between adjacent label and the relation that is triggered, by the RSSI intensity of this trigger relation and trigger pip, the position relationship between different electronic tag can be obtained, further, the electronic tag different article being installed different I D just can realize the establishment of the position relationship between different article.
Accompanying drawing explanation
Fig. 1 is the principle schematic of article stowed location automatic station-keeping system in the utility model one embodiment;
Fig. 2 is the communication scheme of article stowed location automatic station-keeping system in the utility model one embodiment;
Fig. 3 is the structural representation of read head in the utility model one embodiment;
Fig. 4 is the structural representation of trigger in the utility model one embodiment;
Fig. 5 is the theory diagram of electronic tag in the utility model one embodiment;
Fig. 6 is the principle schematic that the electronic tag in the utility model one embodiment triggers;
Fig. 7 is the circuit diagram of microcontroller and radio frequency part in the utility model one embodiment;
Fig. 8 is the circuit diagram of the utility model one embodiment medium and low frequency receiving unit;
Fig. 9 is the circuit diagram of the utility model one embodiment medium and low frequency radiating portion;
Figure 10 is the schematic flow sheet of article stowed location automatic positioning method in the utility model one embodiment.
Embodiment
The article stowed location automatic station-keeping system provided the utility model below with reference to Fig. 1 to Figure 10 and method are described in detail, it is the utility model optional embodiment, can think, those skilled in the art, in the scope not changing the utility model spirit and content, can modify to it and polish.
Please refer to Fig. 1 and Fig. 2, present embodiments provide a kind of article stowed location automatic station-keeping system, in order to position the article of some stackings, comprise trigger, read head, terminal and some electronic tags,
Described trigger is in order to send the precharge trigger signal of low frequency to some electronic tags;
Described electronic tag in order to:
Respond described precharge trigger signal, after a stand-by period of presetting, send the trigger pip of low frequency; Different electronic tags is configured the different stand-by period according to the rule preset;
Respond the trigger pip received, send feedback signal to described read head;
Described trigger pip at least includes the label ID of the electronic tag sending this trigger pip, the RSSI intensity of the label ID that the trigger pip that described feedback signal at least includes the label ID of affiliated electronic tag, this electronic tag receives comprises and the trigger pip that this electronic tag receives; Each described electronic tag and trigger are all configured a different label ID;
Described terminal in order to:
Described feedback signal is received by described read head;
Obtain the position relationship between different electronic tag according to described feedback signal, and then obtain the position relationship that is provided with between the different article of different electronic tag.
The present embodiment triggers and is triggered and distinguishes order before utilizing label and realizes successively triggering and being triggered, record the triggering between adjacent label and the relation that is triggered, by the RSSI intensity of this trigger relation and trigger pip, the position relationship between different electronic tag can be obtained, further, the electronic tag different article being installed different I D just can realize the establishment of the position relationship between different article.In addition, the utility model, to the setting of stand-by period, can make the triggering that each electronic tag can realize other electronic tags successively.
Consider that the utility model is mainly applicable to space identification interior and location, so the low frequency signal utilizing trigger to send can realize the pre-trigger of nearly all electronic tag.
Corresponding with it, the present embodiment additionally provides a kind of article stowed location automatic positioning method, please refer to Figure 10, comprises the steps:
S1: trigger sends the precharge trigger signal of low frequency to some electronic tags;
S2: some described electronic tags all respond described precharge trigger signal;
S3: after a stand-by period of presetting, one of them electronic tag sends the trigger pip of low frequency;
S4: the trigger pip that electronic tag response of step S3 adjacent with it sends, sends feedback signal to described read head; What it is pointed out that on alleged adjacent not finger arrangement mode here is adjacent, and refers to and drop in this electronic tag range of signal, can receive all electronic tags of trigger pip, all can regard as adjacent;
S5: repeat step S3 and S4, until all electronic tags all sent described trigger pip; Wherein, the stand-by period of different electronic tag is configured the different stand-by period according to the rule preset;
S6: obtain the position relationship between different electronic tag according to described feedback signal, and then obtain the position relationship that is provided with between the different article of different electronic tag;
Specifically, please refer to Fig. 2, illustrate with six electronic tags, the label of electronic tag can regard as its No. ID, the length of the stand-by period in the present embodiment and the label ID of electronic tag match, after trigger sends precharge trigger signal to all electronic tags, the stand-by period of electronic tag 1 is the shortest, send trigger pip at first to adjacent electronic tag 2, 3, 4, electronic tag 2, 3, 4 transmissions feed back signal to described probe, and then transfer to terminal computer, each feedback signal has recorded self label ID, trigger the label ID of that electronic tag 2 of self and the RSSI intensity of trigger pip, then be that electronic tag 2 sends trigger pip to adjacent electronic tag 1, 5, 6, the like.
How position relationship is obtained about terminal computer, can for a simple example, on the one hand, for electronic tag 1, electronic tag 3,4 and 2 all provides a RSSI intensity, RSSI intensity at least can in order to symbolize the distance of their distance electronic tag 1, based on these three distances, the position of an electronic tag 1 opposing electronic label 3,4,2 substantially can be determined, in other words, based on distant relationships, can position relationship.On the other hand, when the stacked items of arranging comparatively regular, only need know that electronic tag 1 can distinguish triggerable electronic label 3 and 4, just can know that its position is between 3 and 4, in other words, based on common factor principle, also can obtain position relationship.
Visible, based on common factor principle or distant relationships one of at least, just can obtain concrete computation model or account form, according to above logic, those skilled in the art should be able to obtain some can for the scheme calculated and modeling pattern, and because all data are all quantifiable, the attenuation change of signal intensity is known simulation, so those skilled in the art can obtain some schemes realizing the utility model effect completely under above description.
Described electronic tag at least comprises microcontroller, radio-frequency antenna, low frequencies antenna and at least one low frequency reception antenna, and described microcontroller (MCU) is at least configured to realize following functions:
Respond the trigger pip received from described low frequency reception antenna, send a feedback signal by described radio-frequency antenna; And:
Another trigger pip is sent by described low frequencies antenna.
For above two kinds of functions, response sends feedback signal to trigger pip, namely can regard as and be triggered, send another trigger pip, namely can regard as and initiatively trigger, both can be have cause-effect relationship, namely because response is to trigger pip, just send trigger pip, also can be do not possess causal, simultaneously, other necessary conditions can also be supplemented to reach the effect of triggering, feedback, in other words, as long as a label can realize this two functions, just one of the utility model optional embodiment can be regarded as.
In the present embodiment, described low frequencies antenna is different from the direction of low frequency reception antenna, and when the quantity at least two of described low frequency reception antenna, the direction of different low frequency reception antenna is all not identical.
Described feedback signal also comprises in electronic tag belonging to it No. ID, antenna of the low frequency reception antenna receiving trigger pip and corresponding RSSI intensity.Here alleged affiliated electronic tag, refers to the electronic tag sending this feedback signal naturally.
In summary it can be seen, the label ID of electronic tag belonging to this feedback signal can be comprised in feedback signal further, the antenna ID receiving the low frequency reception antenna of trigger pip of label ID that trigger pip that the low frequency reception antenna of this affiliated electronic tag receives comprises, this affiliated electronic tag, and the intensity RSSI of signal received by the low frequency reception antenna receiving trigger pip of this affiliated electronic tag.
In the present embodiment, low frequency reception antenna due to electronic tag is different directions respectively, which antenna to receive trigger pip according to further, i.e. antenna ID, both position relations can be confirmed further, after introducing corresponding signal intensity RSSI, make to judge that relative position relation provides reliable data further.
Below with reference to Fig. 5 to Fig. 9, elaboration detailed is further carried out to the electronic tag that the present embodiment provides.
Please refer to Fig. 5, present embodiments provide a kind of electronic tag, comprise microcontroller (MCU), radio frequency (RF) antenna, low frequencies antenna and at least one low frequency reception antenna, described microcontroller (MCU) at least in order to:
Respond the trigger pip received from described low frequency reception antenna;
Another trigger pip is sent by described low frequencies antenna;
A feedback signal is sent by described radio frequency (RF) antenna.
For the cause-effect relationship of above three kinds of functions, can be first respond trigger pip, namely be triggered, realize feedback again and initiatively trigger, but be also not limited thereto, other necessary conditions can be supplemented to reach the effect of triggering, feedback, in other words, as long as a label can realize this three functions, just one of the utility model optional embodiment can be regarded as.
In the present embodiment, microcontroller (MCU) adopts the chip as Fig. 7 indicates, and certain the utility model is not limited to this.
In the present embodiment, this label also comprises radio frequency (RF) module, low frequency trigger module and low frequency reception module, all described low frequency reception antennas are all connected with described microcontroller (MCU) by described low frequency reception module, described low frequencies antenna is connected with described microcontroller (MCU) by described low frequency trigger module, and described radio frequency (RF) antenna is connected with described microcontroller (MCU) by described radio frequency (RF) module.
Here alleged radio frequency (RF) module, low frequency trigger module and low frequency reception module can be thought to play between microprocessor and each antenna and encode, decode, transmit and the module of one of at least function such as amplification.In like manner, previously described terminal radio frequency (RF) module is also similar effect
For low frequency reception part, when the quantity at least two of described low frequency reception antenna, the direction of different low frequency reception antenna is all not identical.Please refer to Fig. 7 and Fig. 8, in the present embodiment, have employed the antenna in three directions exemplarily, receive a left side respectively, right, the low frequency signal in lower three directions, its LF1P as shown in the figure, LF2P, LF3P is linked into three input interfaces of AS3993 chip respectively, it is low frequency reception module in the present embodiment that AS3993 chip can regard as, in the present embodiment, CS interface wherein receives the P0.0 interface of microcontroller (MCU), SCL interface receives the P0.1 interface of microcontroller (MCU), SDI interface receives the PL4 interface of microcontroller (MCU), SDO interface receives the PL3 interface of microcontroller (MCU), CL_DAT interface receives the P0.4 interface of microcontroller (MCU), DAT interface receives the P0.3 interface of microcontroller (MCU), WAKE interface receives the P0.6 interface of microcontroller (MCU).Please refer to Fig. 7 and Fig. 9, for low frequencies part, the P1.5 interface of microcontroller (MCU) is connected to low frequencies module, and then is connected to low frequencies antenna.
The device arrangements of other concrete wiring and circuit, also can obtain with reference to Fig. 7 to Fig. 9, the present embodiment no longer does concrete elaboration, should be realized that, why the present embodiment provides concrete circuit diagram, is intended to show, the hardware components of the technical solution of the utility model can be obtained by the annexation of the uniqueness of known hardware, the embodiment of Fig. 7 to Fig. 9 signal has given a kind of scheme, so, the problem that can not there is insufficient disclosure He cannot realize.
In addition, in the present embodiment, described electronic tag also comprises power supply, and described power supply is with thinking that described microcontroller is powered.Described power supply connects by being input to described microcontroller after the boosting of at least one boost module.Described radio-frequency antenna is radio-frequency receiving-transmitting antenna.
In the present embodiment, radio frequency (RF) antenna is radio frequency (RF) dual-mode antenna, and can adopt radio frequency (RF) antenna of 2.4GHz, low frequency reception antenna, low frequencies antenna can adopt the antenna of 12.5MHz.
The utility model further again, this hardware foundation can realize by further programming two-way Trigger Function, recognition function on this basis and further positioning function.
For Trigger Function,
1) can low frequency signal be launched, be referred to as arousal function;
2) wake the electronic tag of all sleeps up, normal condition, electronic tag is all sleep state, improves the serviceable life of electronic tag;
3) electronic tag needs the RSSI value identifying trigger, to confirm the direction of electronic tag, i.e. and cephlad-caudal.
For electronic label function:
1) low frequency signal is received, and RSSI;
2) low frequency signal can be launched;
3) corresponding signal is gone out with RF radiofrequency signal rapid fire;
4) working routine: sleep-> wakes work-> up and sleeps.
In order to realize two-way Trigger Function, by configuring corresponding program and peripheral circuit to microcontroller (MCU), described microcontroller (MCU) at least can in order to respond the trigger pip received from described low frequency reception antenna, another trigger pip is sent by described low frequencies antenna, a feedback signal is sent by described radio frequency (RF) antenna, wherein receiving trigger pip, namely send feedback signal be realize being triggered function, wherein send another trigger pip, immediately realize Trigger Function.
In order to realize recognition function on this basis, described feedback signal at least comprises No. ID, label corresponding to affiliated label, if be located on goods by label, by this recognition function, can realize the preliminary inventory whether goods " exists ".Here alleged affiliated electronic tag, refers to the electronic tag sending this feedback signal naturally.
In order to realize recognition function on this basis, also following configuration must be done:
The trigger pip sent by described low frequencies antenna at least comprises No. ID, label corresponding to affiliated label.Described feedback signal at least comprises No. ID, the label comprised in No. ID, label corresponding to affiliated label and received trigger pip.Described feedback signal also comprises No. ID, the antenna of the low frequency reception antenna receiving trigger pip in affiliated label and corresponding RSSI intensity.Described low frequencies antenna is different from the direction of low frequency reception antenna.When the quantity at least two of described low frequency reception antenna, the direction of different low frequency reception antenna is all not identical.Certainly, the utility model is not limited to how many directions and which direction concrete, even equidirectional, also the utility model one optional embodiment is belonged to, in each embodiment of the utility model, the different directions of different antennae or the difference of position can be utilized respectively, obtain different coverages, and then can come specifically to calculate according to the difference of RSSI value.
For example, please refer to Fig. 6, for label T1 configures three low frequency reception antenna R11, R12 and R13, its fan-shaped area coverage is respectively towards a left side, the right side and downside, also configure a low frequencies antenna A1, for label T2 configures three low frequency reception antenna R21, R22 and R23, its fan-shaped area coverage is respectively towards a left side, the right side and downside, also configure a low frequencies antenna A2, and label T1 is in the upside of label T2, assuming that the ID of label T1 is 1, the ID of T2 is 2, the ID of three antennas of label T1 is 11 respectively, 12, 13, when label T2 sends trigger pip by low frequencies antenna A2, the receiving antenna R11 of label T1 receives trigger pip, the label ID that now just can obtain oneself is 1, the label ID triggering T1 is 2, and the antenna ID of the receiving antenna R11 receiving trigger pip is 11, can determine which two two adjacent labels be by two ID, by antenna ID, because the direction of different antennae is different, its relative position can be judged.
About described probe:
Please refer to Fig. 3, described read head at least comprises microcontroller (MCU), signal transmitting and receiving amplifier and read head radio-frequency antenna, described read head radio-frequency antenna is connected with described microcontroller (MCU) by described signal transmitting and receiving amplifier, described read head radio-frequency antenna is at least in order to receive described feedback signal, and through described signal transmitting and receiving amplifier transfer to described microcontroller (MCU), described microcontroller (MCU) is in order to be sent to described terminal by serial ports by the feedback signal received.
Described probe also comprises speech audio decoder module, LCD state display module, Bluetooth signal output module and power supply, is all connected with described microcontroller (MCU).
About described trigger:
Please refer to Fig. 4, described trigger at least comprises microcontroller (MCU), low frequency trigger antenna, low frequency power driving governor, power supply and at least one charge pump, described low frequency trigger antenna is connected with described microcontroller (MCU) by described low frequency power driving governor, described power supply is on the one hand with thinking that described microcontroller (MCU) is powered, after charge pump boosting described at least one, not described low frequency power driving governor is powered on the other hand, described microcontroller (MCU) is in order to send the precharge trigger signal of low frequency to some electronic tags by described low frequency trigger antenna.
Described trigger can also comprise RF and control trigger module, is connected with described microcontroller (MCU).
In sum, the utility model triggers and is triggered and distinguishes order before utilizing label and realizes successively triggering and being triggered, record the triggering between adjacent label and the relation that is triggered, by the RSSI intensity of this trigger relation and trigger pip, the position relationship between different electronic tag can be obtained, further, the electronic tag different article being installed different I D just can realize the establishment of the position relationship between different article.
Claims (5)
1. an article stowed location automatic station-keeping system, in order to position the article of some stackings, it is characterized in that: comprise trigger, read head, terminal and some electronic tags, described electronic tag at least comprises microcontroller, radio-frequency antenna, low frequencies antenna and at least one low frequency reception antenna
Realize low frequency signal between described trigger and a low frequency reception antenna of described electronic tag to transmit, realize radio signal transmission between described read head and a radio-frequency antenna of described electronic tag, described read head is connected with described terminal;
Described electronic tag also comprises radio-frequency module, low frequency trigger module and low frequency reception module, all described low frequency reception antennas are all connected with described microcontroller by described low frequency reception module, described low frequencies antenna is connected with described microcontroller by described low frequency trigger module, and described radio-frequency antenna is connected with described microcontroller by described radio-frequency module.
2. article stowed location automatic station-keeping system as claimed in claim 1, is characterized in that: described low frequencies antenna is different from the direction of low frequency reception antenna.
3. article stowed location automatic station-keeping system as claimed in claim 1, it is characterized in that: when the quantity at least two of described low frequency reception antenna, the direction of different low frequency reception antenna is all not identical.
4. article stowed location automatic station-keeping system as claimed in claim 1, it is characterized in that: described read head at least comprises microcontroller, signal transmitting and receiving amplifier and read head radio-frequency antenna, described read head radio-frequency antenna is connected with described microcontroller by described signal transmitting and receiving amplifier, described read head radio-frequency antenna is at least in order to receive described feedback signal, and through described signal transmitting and receiving amplifier transfer to described microcontroller, described microcontroller is in order to be sent to described terminal by serial ports by the feedback signal received.
5. article stowed location automatic station-keeping system as claimed in claim 1, it is characterized in that: described trigger at least comprises microcontroller, low frequency trigger antenna, low frequency power driving governor, power supply and at least one charge pump, described low frequency trigger antenna is connected with described microcontroller by described low frequency power driving governor, described power supply is on the one hand with thinking that described microcontroller is powered, after charge pump boosting described at least one, not described low frequency power driving governor is powered on the other hand, described microcontroller is in order to send the precharge trigger signal of low frequency to some electronic tags by described low frequency trigger antenna.
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| CN201520185609.0U CN204515806U (en) | 2015-03-30 | 2015-03-30 | Article stowed location automatic station-keeping system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109840438A (en) * | 2017-11-24 | 2019-06-04 | 广州市振光科技有限公司 | The intelligent storage article positioning of label is searched based on acousto-optic, searches system |
| CN112014794A (en) * | 2019-05-30 | 2020-12-01 | 唯垦电子科技(上海)有限公司 | Three-dimensional position positioning system and method |
-
2015
- 2015-03-30 CN CN201520185609.0U patent/CN204515806U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109840438A (en) * | 2017-11-24 | 2019-06-04 | 广州市振光科技有限公司 | The intelligent storage article positioning of label is searched based on acousto-optic, searches system |
| CN112014794A (en) * | 2019-05-30 | 2020-12-01 | 唯垦电子科技(上海)有限公司 | Three-dimensional position positioning system and method |
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