CN1691049A - Wireless RF label technique based refrigerator - Google Patents
Wireless RF label technique based refrigerator Download PDFInfo
- Publication number
- CN1691049A CN1691049A CN 200410037272 CN200410037272A CN1691049A CN 1691049 A CN1691049 A CN 1691049A CN 200410037272 CN200410037272 CN 200410037272 CN 200410037272 A CN200410037272 A CN 200410037272A CN 1691049 A CN1691049 A CN 1691049A
- Authority
- CN
- China
- Prior art keywords
- refrigerator
- unit
- commodity
- information
- radio frequency
- 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
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/08—Sensors using Radio Frequency Identification [RFID]
Landscapes
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a refrigerator based on wireless frequency-radio label technique. The goods stored in the refrigerator all have wireless frequency-radio label. The refrigerator comprises wireless frequency-radio label read unit used to read goods information on the label; process unit, to receive and process the information from the read unit; output unit, to output information after process. The refrigerator of this invention combined RFID, and with bright application future on stream and storage and other fields.
Description
Technical field
The present invention relates to refrigerator, relate in particular to a kind of refrigerator based on the radio frequency label technology.
Background of invention
REID (RFID, be Radio Frequency Identification) be an automatic identification technology that progressively moves to maturity since the eighties in 20th century, owing to utilizing RF-wise to carry out contactless bidirectional communication data exchange, it reaches identifying purpose, so be widely used in various fields such as industrial automation, business automation, communications and transportation control and management, false proof even military affairs.
For example, REID is applied to the business automation aspect, is formed for the radio-frequency recognition system of supermarket, hypermarket use.The general electronic tag of such radio-frequency recognition system (tag), at least one data read-write equipment (reader) and main frame are formed.Wherein, electronic tag is wherein preserved the characteristic relevant with commodity of predetermined format, for example trade name, unit price, lot number, date of manufacture, shelf-life etc. attached to the surface of each part commodity.Data read-write equipment comprises the RFID Transmit-Receive Unit, reads the characteristic of preserving in the electronic tag in the certain distance scope by RFID Transmit-Receive Unit induction type, and characteristic is passed to main frame.Main frame is by interface or network connection data read-write equipment, is used to realize the management functions such as collection, processing and teletransmission to the commodity characteristic.Use this cover system, can carry out storage, statistics, clearing, clear stocks of commodity etc. automatically.
In several years of future, RFID (radio frequency label technology) will be used widely at aspects such as logistics, storages.Along with popularizing of intelligent appliance, the intelligent management in conjunction with forming family's commodity of RFID and intelligent appliance will be the trend of household electrical appliances development.
Summary of the invention
Thereby, under this background, produced the present invention, its objective is provides a kind of refrigerator based on the RFID technology, can inquire about, add up the commodity that have the RFID label that are stored in it.
Refrigerator based on the RFID technology according to the present invention comprises: the radio frequency label reading unit, and each has the described radio frequency label information of the commodity of radio frequency label to be used for reading refrigerator; Processing unit receives the radio frequency label information from described radio frequency label reading unit, and described radio frequency label information is handled; Output unit is used for to the information of outside output after described processing unit processes.
Refrigerator based on the RFID technology of the present invention can utilize the RFID technology, makes the user understand refrigerator interior wareroom situation and operating position in real time and exactly, and can realize long-range intelligent management, therefore has a good application prospect.
Description of drawings
Fig. 1 is the structural representation of the RFID unit of refrigerator according to an embodiment of the invention;
Fig. 2 is the workflow diagram of the RFID reading unit of refrigerator according to an embodiment of the invention;
Fig. 3 is the process flow diagram that expired commodity in the refrigerator are inquired about of refrigerator according to an embodiment of the invention;
Fig. 4 be refrigerator according to an embodiment of the invention to using up the process flow diagram that commodity are inquired about in the refrigerator.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described in detail, these are described and accompanying drawing only is to understand some specific schemes that provide with the concrete the present invention of enforcement in order to enable those skilled in the art to, rather than limitation of the scope of the invention.
Need explanation, in this manual, term " refrigerator " not only refers to the refrigerator that family uses, and its implication should comprise and be used to transport, the various of storage etc. refrigerate or the equipment of freezing preservation commodity in the mode that is lower than normal temperature, for example refrigerator, large-scale freezing locker etc.Term " commodity " also not only refer to through processing and manufacturing or at the product of market sale, but comprise the various article that are suitable for freezing, refrigeration or normal temperature environment and other ad hoc fashion storage.
Intelligent refrigerator based on RFID according to the present invention is a kind of applied in any combination of RFID technology and intelligent refrigerator.Can add up, inquire about the commodity of putting into wherein that have the RFID label.The RFID tag record has characteristic informations such as trade name, packing unit, date of manufacture and shelf-life.
Fig. 1 shows the composition schematic block diagram of the RFID unit of refrigerator according to an embodiment of the invention.As shown in Figure 1, comprise processing unit 1, input block 2, storage unit 3, RFID reading unit 4 and output unit 5 in this RFID unit.
RFID reading unit 4 can adopt prior art to realize.A kind of electronic label read/write of being provided of Chinese patent 01239435.1 " electronic label read/write " for example.A kind of application scheme that electronic tag is used for the commodity counterfeit prevention management is also disclosed in Chinese patent 00119565.4 " commodity network scanning anti-fake system and electronic identification label thereof ".Above-mentioned patent documentation is all in conjunction with in this manual as a reference.In the present invention, the RFID label on the commodity in the refrigerator is exactly an electronic tag that these commodity stick in factory's manufacture process, that have the commodity intrinsic information.This RFID label in the transportation of commodity, store in a warehouse, peddle the effect of all playing the sign commodity in the process, the information in this label is to follow (for example EPC, Ubiquitouscode and the ISO-18000 series standard) of certain criteria.Therefore, the entrained RFID label of each different commodity all is a consolidation form.Can be regularly or when each open and close refrigerator doors, read the RFID label information of all commodity in the refrigerator, and every RFID information reading is sent to processing unit 1.
1 pair of RFID label information of processing unit is decoded and data is handled, and adopts microcontroller (MCU) to realize in the present embodiment, for example single-chip microcomputer.
Input block 2 can adopt as keyboard, slide block and/or touch-screen etc., be used for the order from the described processing unit 1 of outside input control, as inquire about the order of all commodity, the order of the expired commodity of inquiry, the order of inquiring about the commodity that use up and the order of modification flow process (cycle, time etc.) etc. by the operator.
Storage unit 3 is mainly used in storage RFID label information, it can be the random-access memory (ram) of using always, wherein can adopt the mode of database to store the RFID information that reads, storage unit 3 can be carried out read-write operation under the control of described processing unit 1.
Output unit 5 is exported the processing result information of processing unit 1 under the control of processing unit 1 to the outside, for example be used to inform the information of the commodity of depositing in user's refrigerator.Output unit 5 can be a LCD (LCD) etc., can also be furnished with the device of audible alarm such as loudspeaker etc.
Refrigerator based on RFID according to the present invention can also comprise network connection unit, for example internal or external network interface card and/or modulator-demodular unit etc., these technology are to well known to a person skilled in the art technology, as long as can finish and being connected of network, thereby this paper will not give unnecessary details.In this case, input block 2 can also more broadly comprise the Data Receiving unit that is used for receiving by network or note instruction that the user sends.By network connection unit merchandise news in the refrigerator and inventory are sent to the user, or reply the querying command that the user is transmitted by network,, send inventory to user report merchandise news.
Refrigerator based on RFID according to the present invention can also comprise the note unit, can send note to the outside.With commodity in short supply, merchandise news or inventory, at the fixed time, send to user's device for mobile communication under the predetermined state.Preferably note unit and network connection unit are all worked under the control of processing unit 1.
The note unit can adopt existing short message sender part to form, and for example adopts Siemens TC35 module, can work in the GSM network; Adopt Wavecom WISO2C module, can work in GSM network and GPRS network; UbiNeticsGM400/GM401 can also be adopted, also GSM network and GPRS network can be worked in; Can also adopt other modules, to adapt to other wireless networks such as CDMA.Note is formed according to the merchandise news editor in the database by processing unit 1, send to the short message sender part by processing unit 1 then, be connected with cordless communication network by network connection unit and send on other premise equipment of predetermined phone number or take over party by it.And when receiving the instruction that the user sends by network, the content according to predetermined format analysis director data is construed to corresponding operational order with it, is sent to processing unit 1, makes corresponding operating with other modules of control inside, RFID unit.
In a preferred embodiment of the invention, for the commodity design in the refrigerator has database, contain two lists in the database: SINGLE list, TOTAL list.Wherein the field in the SINGLE list is corresponding substantially with the information in the RFID label, then preserves needed statistical information in the TOTAL list.
In a kind of example structure of this database, characteristic informations such as trade name, packing unit, date of manufacture and shelf-life are arranged when the RFID tag record, and when wishing the quantity information of statistics commodity, described SINGLE list and TOTAL list are shown in table 1-1,1-2.The SINGLE list is a record with each RFID in the refrigerator.TOTAL is classified as a record to " trade name " with " packing unit " identical commodity.
Table 1-1 database list SINGLE
| Article number | The number that each RFID label is unique |
| Trade name | |
| Packing unit | |
| Date of manufacture | |
| Shelf-life |
Table 1-2 database list TOTAL
| Trade name | With table 1-1 |
| Packing unit | |
| Quantity 1 | Quantity when read last time |
| Quantity 2 | Quantity when read last time |
Fig. 2 shows the flow process of an embodiment that RFID reading unit 4 reads the RFID information of commodity in the refrigerator, and this flow process is based on two above-mentioned lists.
As shown in Figure 2, RFID reading unit 4 regularly automatically perform or open automatically perform reading of RFID information after closing refrigerator doors.Automatically perform and to realize control automatically by clock timing.Because existing refrigerator is generally controlled by luminous lamp switch or other inductors opening at closing time, each switch door all can cause the unlatching of illuminating lamp or close.Therefore, RFID reading unit 4 of the present invention can utilize the switching signal of this illuminating lamp to read the signal of merchandise news action as initiation.
In addition, the information of RFID reading unit 4 reads also and can be carried out according to the control of user input commands by processing unit 1.
The concrete read operation method of RFID reading unit 4 can be identical with the method in the patent documentation quoted from the preamble prior art.
When reading, the processing unit 1 at first quantity when read last time in the TOTAL list saves as quantity when reading last last time, and the quantity will read last time the time empties, and is used to preserve the result's (step 201) who this time reads.
Then, shown in step 202, the record in the SINGLE list is emptied, be used to preserve the data that this time read.
Subsequently, RFID reading unit 4 is read buffer area (step 203) with the information of the RFID label of all commodity in the refrigerator.Buffer area can use storage unit 3, also can use the buffer in the processing unit 1.
Afterwards, processing unit 1 (MCU) reads the RFID information in the buffer area, and decoding (step 204), creates corresponding record (step 205) then also according to for example trade name and/or packing unit search TOTAL list (step 206) in the SINGLE list.Subsequently, shown in step 207,208,209, judge in the TOTAL list and have or not the record that meets search condition, if the record that is not consistent, then create new record, record as existence is consistent then carries out Volume Composition (for example adding 1 on the basis of former numerical value) in this record, said process is repeated all the RFID information in running through buffer zone.
After the operation of reading RFID information is finished, can carry out immediately or inquire about according to the order of input.According to the information in the RFID label, refrigerator of the present invention can support the statistical query of commodity in the refrigerator and statistic of classification inquiry, for example the total amount of certain commodity, certain commodity consumption in certain period (for example in the RFID label information read interval time) etc.Fig. 3 and Fig. 4 show expired commodity and with the querying flow of expired commodity and the querying flow that uses up commodity.
As shown in Figure 3, at first read a record (step 301) of SINGLE list, obtain " date of manufacture " and " shelf-life " and calculate (step 302), and judge in step 303 whether commodity are expired, if commodity are out of date, then output (step 304) in the expired commodity hurdle of output unit, if commodity are not out of date, then further judge whether soon expired in step 305, if soon expired in the commodity hurdle that will expire of output unit output (step 306), whole records that said process is repeated in the SINGLE list are run through (step 307).Wherein, term " soon expired " is meant that now the difference with the commodity expired time is less than certain quantity, be a setting, preferably, be meant that now difference with date of manufacture of commodity is less than the shelf-life but greater than time of shelf-life of 3/4.Obviously, this 3/4 default just, the size of this value can freely be set.
Certainly, above-mentioned commodity out of date and will expired commodity can directly not exported yet, but are kept in the storage unit 3, or be further processed (as statistic of classification etc.) export again.
As shown in Figure 4, when using up commodity and inquire about, at first read a record (step 401) of TOTAL list, judge whether its quantity 1 is 0 (step 402), if be 0 (promptly being judged as "Yes"), then the trade name of this record outputed to and use up the commodity hurdle.Otherwise (promptly being judged as "No") then judges whether it has been the last item record (step 404), and the last item record then finishes inquiry in this way, otherwise the record above repeating.
For example, existing commodity are as follows in the refrigerator:
Box-packed milk 2 boxes, article number are respectively 00000001 and 00000010 (need explanation, article number are an example here, and in fact figure place is very long), and the date of manufacture is respectively March 18 in 2004 and on April 15th, 2004,30 days shelf-lifves.
1 bottle of bottled milk, article number 00000011, April 16 2004 date of manufacture, 4 days shelf-lifves.
4 bottles of bottled beers, article number are respectively 00010001,00010010,00010011 and 00010100, and the date of manufacture all is on February 20th, 2004,180 days shelf-lifves.
2 tins of canned bakery foods, article number are respectively 00100001 and 00100010, and the date of manufacture all is on October 18th, 2003,180 days shelf-lifves.
Workflow can automatically perform once every day, and the content of two lists after carrying out on April 19th, 2004 is as table 2-1,2-2.
The record of table 2-1 SINGLE list
| Article number | Trade name | Packing unit | Date of manufacture | Shelf-life |
| ????00000001 | Milk | Box | ????20040318 | ????30 |
| ????00000010 | Milk | Box | ????20040415 | ????30 |
| ????00000011 | Milk | Bottle | ????20040416 | ????4 |
| ????00010001 | Beer | Bottle | ????20040220 | ????180 |
| ????00010010 | Beer | Bottle | ????20040220 | ????180 |
| ????00010011 | Beer | Bottle | ????20040220 | ????180 |
| ????00010100 | Beer | Bottle | ????20040220 | ????180 |
| ????00100001 | Beer | Listen | ????20031018 | ????180 |
| ????00100010 | Beer | Listen | ????20031018 | ????180 |
The record of table 2-2 TOTAL list
| Trade name | Packing unit | Quantity 1 | Quantity 2 |
| Milk | Box | ????2 | ????3 |
| Milk | Bottle | ????1 | ????0 |
| Sour milk | Box | ????0 | ????1 |
| Beer | Bottle | ????4 | ????6 |
| Beer | Listen | ????2 | ????2 |
Can be according to above-mentioned table notifications user: article number be that 00000001 box-packed milk, article number are that 00100001 and 00100010 canned bakery food is expired, and bottled milk 00000011 is soon expired, and box-packed sour milk etc. have not had.
According to above accompanying drawing and preferred embodiment detailed description of the invention; those skilled in the art obviously can improve, add and replace the present invention, and these improve, add and replace and all should be included within the scope of patent protection that claim of the present invention limits.
Claims (10)
1. refrigerator based on the radio frequency label technology is characterized in that comprising:
The radio frequency label reading unit is used for reading the described radio frequency label information that refrigerator has the commodity of radio frequency label;
Processing unit receives the radio frequency label information that is read by described radio frequency label reading unit, and described radio frequency label information is handled; With
Output unit is used to export the information after described processing unit processes.
2. refrigerator according to claim 1, it is characterized in that further comprise storage unit, described storage unit is subjected to the control of described processing unit, be used to store the result data of described processing unit, described processing unit can read and handle the information in the described storage unit.
3. refrigerator according to claim 1 is characterized in that, described output unit comprises sound-producing device, display screen or the data output unit of exporting by network or note.
4. refrigerator according to claim 1 is characterized in that, described radio frequency label reading unit regularly or when each switch refrigerator doors or according to user's indication reads described radio frequency label information.
5. refrigerator according to claim 1 is characterized in that, described processing unit further generates the statistical information and/or the statistic of classification information of commodity in the refrigerator.
6. according to each described refrigerator of claim 1-5, it is characterized in that, further comprise input block, described input block is used for being imported by the operator order of the described processing unit of control.
7. refrigerator according to claim 6 is characterized in that described input block is keyboard, button, slide block and/or touch-screen, or is used for receiving by network or note the Data Receiving unit of instruction that the user sends.
8. according to each described refrigerator of claim 1-5, it is characterized in that, further comprise network connection unit, described processing unit is undertaken by described network connection unit and long-distance user or control module alternately.
9. according to each described refrigerator of claim 1-5, it is characterized in that, further comprise the note unit, under the control of described processing unit, described note unit be used for to the long-distance user send with described refrigerator in the relevant information of the commodity of storing.
10. according to each described refrigerator of claim 1-5, it is characterized in that, the date of manufacture information and/or the shelf-life information that comprise commodity in the radio frequency label technology label of described commodity, and described processing unit further can generate the expired commodity of commodity in the refrigerator and/or be about to the statistical information of expired commodity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410037272 CN1691049A (en) | 2004-04-30 | 2004-04-30 | Wireless RF label technique based refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410037272 CN1691049A (en) | 2004-04-30 | 2004-04-30 | Wireless RF label technique based refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1691049A true CN1691049A (en) | 2005-11-02 |
Family
ID=35346482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410037272 Pending CN1691049A (en) | 2004-04-30 | 2004-04-30 | Wireless RF label technique based refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1691049A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334848B (en) * | 2007-06-28 | 2010-09-01 | 海尔集团公司 | Cold chain monitoring system and refrigeration equipment |
| CN101825874A (en) * | 2010-04-21 | 2010-09-08 | 四川长虹电器股份有限公司 | Intelligent refrigerator and food management and automatic dish collocation method thereof |
| CN101113856B (en) * | 2006-07-28 | 2010-12-08 | 泰州乐金电子冷机有限公司 | Pickled vegetable refrigerator using RFID |
| CN101963431A (en) * | 2010-06-29 | 2011-02-02 | 海尔集团公司 | Refrigerator applying radio frequency identification technology |
| CN102012146A (en) * | 2010-10-26 | 2011-04-13 | 浙江大学 | Internet of things-based refrigerator food safety guarantee method and system |
| CN101329715B (en) * | 2007-06-21 | 2011-09-14 | 上海平安投资有限公司 | Storing cabinet with automatic management system |
| CN102645083A (en) * | 2012-05-24 | 2012-08-22 | 南京大学 | Intelligent refrigerator based on radio frequency recognition technology and working method thereof |
| CN103559597A (en) * | 2013-09-24 | 2014-02-05 | 浙江工商大学 | Storage monitoring method mixed with multi-dimensional factor commodity bar code technology |
| CN104457130A (en) * | 2014-11-03 | 2015-03-25 | 广东奥马电器股份有限公司 | Intelligent refrigerator with RFID tag function |
| CN104880012A (en) * | 2015-05-07 | 2015-09-02 | 上海优悦广告有限公司 | Refrigerator |
| CN107862354A (en) * | 2017-10-19 | 2018-03-30 | 合肥美的智能科技有限公司 | Refrigerator and its food materials management system and method |
| CN109886376A (en) * | 2019-02-28 | 2019-06-14 | Oppo广东移动通信有限公司 | Electronic device quality time limit management-control method, electronic device, equipment and storage medium |
-
2004
- 2004-04-30 CN CN 200410037272 patent/CN1691049A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101113856B (en) * | 2006-07-28 | 2010-12-08 | 泰州乐金电子冷机有限公司 | Pickled vegetable refrigerator using RFID |
| CN101329715B (en) * | 2007-06-21 | 2011-09-14 | 上海平安投资有限公司 | Storing cabinet with automatic management system |
| CN101334848B (en) * | 2007-06-28 | 2010-09-01 | 海尔集团公司 | Cold chain monitoring system and refrigeration equipment |
| CN101825874A (en) * | 2010-04-21 | 2010-09-08 | 四川长虹电器股份有限公司 | Intelligent refrigerator and food management and automatic dish collocation method thereof |
| CN101963431B (en) * | 2010-06-29 | 2015-05-27 | 海尔集团公司 | Refrigerator applying radio frequency identification technology |
| CN101963431A (en) * | 2010-06-29 | 2011-02-02 | 海尔集团公司 | Refrigerator applying radio frequency identification technology |
| CN102012146A (en) * | 2010-10-26 | 2011-04-13 | 浙江大学 | Internet of things-based refrigerator food safety guarantee method and system |
| CN102645083A (en) * | 2012-05-24 | 2012-08-22 | 南京大学 | Intelligent refrigerator based on radio frequency recognition technology and working method thereof |
| CN103559597A (en) * | 2013-09-24 | 2014-02-05 | 浙江工商大学 | Storage monitoring method mixed with multi-dimensional factor commodity bar code technology |
| CN104457130A (en) * | 2014-11-03 | 2015-03-25 | 广东奥马电器股份有限公司 | Intelligent refrigerator with RFID tag function |
| CN104880012A (en) * | 2015-05-07 | 2015-09-02 | 上海优悦广告有限公司 | Refrigerator |
| CN107862354A (en) * | 2017-10-19 | 2018-03-30 | 合肥美的智能科技有限公司 | Refrigerator and its food materials management system and method |
| CN109886376A (en) * | 2019-02-28 | 2019-06-14 | Oppo广东移动通信有限公司 | Electronic device quality time limit management-control method, electronic device, equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1691049A (en) | Wireless RF label technique based refrigerator | |
| CN100547604C (en) | The logistics enquiring system that has electronic tag video | |
| CN1952974A (en) | Automatic pinpoint system and method of books in library | |
| CN211956545U (en) | Cold chain logistics management system based on Internet of things | |
| CN105444515A (en) | Refrigerator | |
| CN106052242A (en) | Food management method and food management system for intelligent refrigerator | |
| CN105046301A (en) | Supermarket shopping advertisement playing method based on RFID and interest records | |
| CN202771433U (en) | Article management system based on electronic label | |
| CN109668361A (en) | A kind of refrigerator intelligent supervisor and its application method | |
| CN111340254A (en) | Lunch box recycling cloud platform system and recycling method | |
| CN1767532A (en) | Open type super high frequency RF recognition protocol platform | |
| CN1835011A (en) | Method of recognizing commodity's anti-fraud label based on IPv6 cell phone platform RFID | |
| KR100635990B1 (en) | Goods information management system of refrigerator using rfid technique | |
| CN1975778A (en) | Digital family articles seeking device | |
| CN201689434U (en) | Refrigerator management system based on RFID (radio frequency identification) technology | |
| CN106372831A (en) | Radio-frequency identification technology-based warehouse goods statistics control system | |
| CN109345737A (en) | Intelligent catering counting system and method and medium | |
| CN200958885Y (en) | Refrigerator with food information management unit | |
| CN201503591U (en) | Ultra-high-frequency reader and forklift terminal system | |
| CN101927862B (en) | Intelligent counterfeiting bottle stopper | |
| CN205139983U (en) | Food warehouse system based on FPGA | |
| CN106203559B (en) | A kind of campus card searching system and working method based on database | |
| CN207100946U (en) | A kind of safe wine cabinet based on RFID | |
| CN1704963A (en) | Safety system based on wireless radio frequency label technique | |
| CN108681864A (en) | A kind of intelligent gradevin management method and 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 |
Open date: 20051102 |