CN1767447A - Multicast system based on sensor - Google Patents
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- CN1767447A CN1767447A CN 200410088020 CN200410088020A CN1767447A CN 1767447 A CN1767447 A CN 1767447A CN 200410088020 CN200410088020 CN 200410088020 CN 200410088020 A CN200410088020 A CN 200410088020A CN 1767447 A CN1767447 A CN 1767447A
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Abstract
This invention provides a multicast system based on sensors used in museums and exhibitions including multiple RFID labels connected with multiple customer devices, multiple sensors adjacent to multiple objects, multi-port readers connected with the sensors and back-end servers connected with the readers, in which, when a customer device is near an object, the sensor close to it detects a customer ID in the FRID label connected with the customer device and emits the ID to the multi-port reader, which merges the customer ID and the sensor ID to a single ID to emit it to the back-end server to decode it to identify said object and said customer device close to it and emit data related to the object to said customer device to carry out different operations based on the received data, which can provide customer-information to visitors automatically.
Description
Technical field
The present invention relates to a kind of information system, displaying articles is come in a plurality of places of particularly a kind of employing, and the employed information dissemination system in place of a plurality of article is all showed in each place.
Background technology
At present, showing the place of a plurality of article, is that the extensive stock of purpose is as follows as the exhibition pattern of the uses such as fair of clothes, mobile phone, automobile etc. as the museum of the exhibition art work, with the sale.For the ease of understanding, be example with the museum of puting on display oil painting.Have a plurality of branch libraries in the museum, each branch library will be showed several oil paintings.After the visitor enters the museum, will appreciate oil painting according to its interest, if he goes in face of the width of cloth oil painting, and this oil painting produced the hope of wishing to understand more information, for example this oil painting is van gogh " sunflower ", this visitor wishes to understand other relevant information of " sunflower " of being showed, following approach is then generally arranged: one, the searching system of the retrieval of being specifically designed to is arranged in the museum, stored the relevant information of each width of cloth oil painting of being showed in the searching system.This visitor can use this searching system to retrieve " sunflower ", thereby satisfies the needs that it understands relevant information; Two, in the museum broadcast system is arranged, this broadcast system will circulate successively and introduce the relevant information of every width of cloth oil painting, and this visitor can hear the information of relevant " sunflower " by broadcast system; Three, this visitor has the guide, perhaps has special staff to be responsible for the oil painting of being showed is explained in the museum, and this visitor can put question to guide or special staff, and obtains the information of needs.
Above-mentioned exhibition pattern has following drawback to the visitor:
Use searching system to understand under the situation of information the visitor, drawback is generally: one, not all visitor knows how to use searching system, as old man, child, disabled person etc., has therefore got rid of this some people and has used searching system to come acquired information; Two, be not to be equipped with searching system near every width of cloth is drawn generally speaking, the visitor need need remember content retrieved, for example, a visitor often may become interested to several pictures in the visit process, therefore it need remember to want to understand the name of these several pictures of information, so that use searching system to retrieve,, then abandon possibly if the visitor has forgotten the name that its that width of cloth that will retrieve is drawn; Three, the museum may have only several searching systems, and the visitor need find this searching system; Less in searching system, and under the more situation of visitor, the visitor often needs to wait in line, thereby also might abandon, even be equipped with searching system near every width of cloth picture, because visitor's number often will be more than the number of searching system, therefore inevitably, the visitor still needs to wait in line.
Understand under the situation of information by broadcast system the visitor, drawback is generally: one, broadcast system is introduced the oil painting of being put on display often successively circularly, if the visitor do not hear unfortunately its introduction of interested " sunflower ", will have to wait for that ongoing broadcasted content finishes or restarts; What two, broadcast system often broadcasted is identical content, and the visitor will have to restrain oneself tin its uninterested content in order to hear its interested content; Three, the visitor may not be ready to listen, and also may wish many tins of several times a certain contents, but will satisfy this hope, will have to listen the content of whole broadcasting; Four, broadcast system can only be broadcasted with a kind of languages at one time, for the visitor who is unfamiliar with this language, loses time beyond doubt or a kind of torment.
Put question under the situation of acquired information by the special staff in guide or museum the visitor, drawback is generally: one, guide or special staff's number generally is less than the visitor, therefore will cause the visitor to have to wait in line, and in this case, not all visitor can both obtain the information that it is wanted; Two, museum's resource-constrained often can not dispose the staff that the language that can use country variant is explained, and the visitor is possibly from different countries.
In addition, above-mentioned all exhibition patterns, following drawback is also all arranged for the visitor: one, the visitor can not enjoy multimedia messages; Two, the visitor can not obtain its inquisitive information easily, thus the product of visitor and exhibition or data, and the sponsor of museum or exhibition can not carry out comprehensive, interactive anywhere or anytime; Three, it is longer to visit the time spent, and efficient is lower, waste visitor's time; Four, the visitor can not can not use their information of interest easily after visit.
On the other hand, above-mentioned all exhibition patterns, sales exhibition Fang Eryan for sponsor such as museum side or commodity, then have following drawback: one, the visitor lines up and uses searching system or the staff to guide, museum to inquire, to cause cycle of visiting longer, thus limited in the identical time, allow to visit person-time; Two, the position of the residing show piece of each visitor can't be accurately and timely understood, thereby the corresponding information of each visitor can't be offered; Three, often only provide information, thereby can not cater to people's as much as possible needs with one or both language; Four, in order to satisfy visitor's needs, and be equipped with under a plurality of searching systems or several staff's the situation, the cost of exhibition has inevitably increased; Five, be difficult to add up various data after the exhibition, often need the extra cooperation of visitor, as fill in sponsor and send as forms such as " receipts ", which thereby collect as the more welcome data in the article that puted on display, and for example the difficulty such as data of the article of more favoring according to the different consumer groups of divisions such as visitor's nationality, age, sex, occupation are bigger, thus make according to these data carry out further statistical analysis think exhibition in the future or R﹠D and production provide with reference to or guidance etc. more difficult.
Though developed the information retrieval system that is used for museum, exhibition, this information retrieval system mainly focuses in the retrieval of information, to follow the trail of visitor's behavior or preference, referring to patent US6513710B1, US2003/0154114A1, US4654793, US6657543B1, US2004/0077367A1.In addition, the present system that has also developed as the described tracking of patent US2004/002227A1 visitor's position.Visitor's behavior also only can be followed the trail of by this system, and also often needs visitor's extra cooperation.In addition, the most important thing is that all the information that can not provide customization automatically in visitor's visit whole process is to the visitor, and keep interactive at any time with the visitor, and the degree of freedom that the bigger collection of the sponsor information relevant with the visitor can not be provided.
Summary of the invention
For fear of above-mentioned drawback, the present invention proposes a kind of sensor-based multi-cast system, it can be visited in the whole process the visitor, provide customized information to each visitor, and comprehensive interaction of realization system and visitor, and provide more multifarious and be used for various statistics about user's the behavior or the information of preference.
To achieve these goals, the present invention proposes a kind of sensor-based multi-cast system, it is characterized in that comprising: a plurality of transponders are connected with a plurality of customer set ups of being held respectively by a plurality of users respectively; A plurality of transducers lay respectively near a plurality of objects; The multiport reader that connects with described a plurality of transducers; The back-end server that is connected with described multiport reader; When a customer set up in described a plurality of customer set ups is positioned near the object of described a plurality of objects, be positioned near the Customer ID of the sensor of a described object, and launch detected Customer ID to described multiport reader to the transponder stored that is connected in a described customer set up; Described multiport reader is merged into Chuan Ganqi ﹠amp with the described Customer ID and the sensor ID of the described transducer of the described Customer ID of emission; Customer ID, and launch described transducer; Customer ID is to described back-end server; Described back-end server is to described Chuan Ganqi ﹠amp; Customer ID is deciphered, and identifying a described object and to be positioned near it a described customer set up, and emission data relevant with a described object are to a described customer set up; A described customer set up is carried out different operations based on the data that received.
By multi-cast system of the present invention, the system that can realize monitors visitor's position in real time, and the information that sends corresponding article according to visitor's position is to the visitor.
Preferably, described back-end server has: CPU, and the decoder that connects with described CPU, memory, encoder, RF transmitter unit are connected in the input unit between described decoder and the described multiport reader; Described input unit receives the described Chuan Ganqi ﹠amp from described multiport reader; Customer ID, and output to described decoder; Described decoder is to described Chuan Ganqi ﹠amp; Customer ID decoding, and the data after the output decoding are to described CPU; The data of described CPU after according to described decoding, control the described memory output data relevant to described encoder with a described object, and control described encoder will with a described digital coding that object is relevant, and control data behind the described RF transmitter unit coding; Described customer set up has rf receiver unit, in order to receive the data behind the described coding.This structure of the present invention has guaranteed that system sends data to the visitor.
Preferably, described back-end server also has the RF receiving element; Described customer set up also comprises: CPU, data input cell, rf transmitter unit; Described CPU connects with described data input cell, described rf transmitter unit and described rf receiver unit; The instruction of the described CPU processing said data input unit input of described customer set up, generation will postback the request to described back-end server, and by the RF receiving element of described rf transmitter unit emission described request to described back-end server; The described CPU of described back-end server sends the described rf receiver unit of response data to described customer set up according to the request of described customer set up.This structure of the present invention has been guaranteed information that system not only can send corresponding article in real time to the visitor, and allows visitor and system to carry out interaction.
Wherein, in the enough usefulness of the transmitted bandwidth of back-end server and customer set up, the data relevant with a described object of described back-end server emission are: in order to the control data of the operation of controlling a described customer set up and the content-data of a described object; A described customer set up is stored described control data and described content-data, and according to described control data and described user instruction by described data input cell input, access the content-data of a described object, as the data of text, audio frequency, visual form.
Wherein, when the transmitted bandwidth of back-end server and customer set up was not enough, the data relevant with a described object of described back-end server emission were: in order to the control data of the operation of controlling a described customer set up; A described customer set up is stored described control data, and according to described control data and the described user instruction by described data input cell input, accesses the content-data of the described object that a described customer set up prestores.This situation generally is, enters the museum or similarly local time, museum side issues customer set up that prestores the information of the article that puting on display of visitor the visitor.
Optionally, described back-end server also has the output unit that connects with CPU, in order to the control according to described CPU, exports the data after the described decoding.Described output unit is the combination in any of display, printer audio player, storage medium.Therefore, for example Zhan Lan sponsor can show request of related data such as client etc. by display screen, or comes out by printer prints, or comes out by audio player plays, or by storage medium, be used for various uses as storage such as portable flash memory cards.
Optionally, described customer set up also has the data output unit, is used to export and the described data that object is relevant.Described data input cell is the combination in any of keyboard, mouse.Described data output unit is the combination in any of display screen, audio player, storage medium.Therefore, the user can browse back-end server by display screen and send data, comprise the operating guidance data of operating portable customer set up, the content information of show piece, and the data sent of back-end server response user's request, and can pass through the above-mentioned data of audio player listening to audio form, and it is stored in the storage medium, for looking back in the future.
Preferably, described transponder is RF transponder or infrared ray transponder.
Sensor-based multi-cast system of the present invention is the emission system of fully integratedization, and it comprises sensor network, wireless radio frequency identification mark (hereinafter will abbreviate the RFID label as), reader, back-end server (back end server), customer set up (as PDA or MP3 player, PC etc.) cheaply.The RFID label will trigger and be used for multicast or broadcast data or the control signal data to client.The RFID label is connected on the customer set up, and the latter then is connected on the on-line file.The RFID label will trigger back-end server, makes its multicast or broadcast data or control signal.Be triggered according to back-end server and launch the mode of data, emission is from the different data of back-end server.For example, different data or the control signal that is launched according to client's position, the identity of customer set up (as machine ID).Back-end server will write down the information of relevant client's behavior, and the latter will be used in further data analysis.
System of the present invention can be used in museum, various fairs etc.Customer set up can be the audio player (as MP3 player, PDA, PC etc.) of the RFID triggering that has or do not have the content of prestoring.When he or she visits a museum, will carry audio player or other devices.When the visitor arrives different exhibition positions, be connected antenna on the exhibition position and will detect signal from the RFID label of audio player or other devices.System plays multicast or broadcasting control signal the content relevant with this exhibition that prestores with the indication visitor, and shows product/data.Whole process is automatically, does not need any artificial intervention.And, visitor's this player that can stop, or repeat this play content.The visitor can also select to be stored in the RFID label or options such as the preferred language in the system, preferred theme, thereby can play standing content according to visitor's selection.
System of the present invention has following beneficial technical effects for the visitor:
--personalized fully.
Because customer set up is configurable, can easily disposes and make it receive the relevant information of user's interest.
--sensor-based multi-cast system.
Because native system uses transducer, will transmit information to automatically on user's the device according to user's position.
--allow multi-user's automatic interaction.
In native system, each user has his or her customer set up, and this customer set up can be provided by exhibition or museum.The user no longer must wait in line information before sales counter or information kiosk, also needn't be the message queue of their needs.
--the information that allows to collect more relevant users is used for data analysis.
Although information is the device that is transmitted into the user through RFID automatically, the visitor still can undertake by their customer set up and system alternately.When the user uses this system, thisly offer the more opportunity that system obtains the information of relevant user behavior alternately.
--more user can use it.
Because the emission of data is by sensor-triggered, rather than by user's request, the end user even must pressing button when using system.They only need to receive passively all information and get final product.Even the disabled person also can use system of the present invention, and without any problem.Therefore, system of the present invention is that a user grasps and the system that uses easily.
Description of drawings
Fig. 1 is the architecture block diagram of the multi-cast system of the present invention's proposition;
Fig. 2 is near the schematic diagram portable customer set up is positioned at a width of cloth oil painting in the system shown in Figure 1;
Fig. 3 A is the circuit block diagram of the portable customer set up that uses with transponder in the multi-cast system of the present invention, and it shows the operating process when enough times spent of data transfer bandwidth of customer set up and back-end server;
Fig. 3 B is another circuit block diagram of the portable customer set up that uses with transponder in the multi-cast system of the present invention, and it shows the operating process when the data transfer bandwidth of customer set up and back-end server is not enough;
The circuit block diagram that Fig. 4 constitutes for the back-end server that uses in the multi-cast system of the present invention;
Fig. 5 is the workflow diagram of multi-cast system of the present invention.
Embodiment
As shown in Figure 1, the architecture block diagram of the multi-cast system that proposes for the present invention.Hereinafter, with being example still, specify the framework and the working mechanism of multi-cast system of the present invention with the museum of puting on display oil painting.
The groundwork mechanism of multi-cast system of the present invention is: at first system server identification is positioned near the specific visitor of a certain specific oil painting; Then, on the portable user device that system server emission related data is carried to this visitor; This visitor can carry out different operations according to the data that received, as playing the audio frequency teaching material about this specific oil painting; If it is necessary that this visitor thinks, can postback data to system server, as the extra information of request server emission except the information of having launched; System server is launched corresponding data and is given this visitor according to user's request.
Realize above-mentioned working mechanism by following system architecture:
At first, system realizes determining a certain specific oil painting by sensor network.Concrete mode is: a transducer is set near each width of cloth oil painting, and the position of oil painting is promptly represented in the position of transducer.A plurality of transducers constitute sensor network.The data of transducer such as sensor ID can be transmitted on the reading machine, reading machine can be transmitted into sensor ID on the back-end server, back-end server is by the sensor ID in the identification sensor network, the residing position of this transducer can be determined, the specific oil painting of just being viewed and admired can be determined or rather by the visitor.The purpose of determining specific oil painting is to give the visitor who views and admires this oil painting for the information of relevant this oil painting of system server emission.
Then, the RFID label on the portable user device that system carries by sensor network and visitor is discerned specific visitor.Concrete mode is: allow each visitor carry the portable user device of posting the RFID label, wherein, record visitor's Customer ID in the RFID label, store visitor's personal information in this Customer ID.Near the visitor who carries the portable user device of posting the RFID label comes a specific oil painting, when viewing and admiring near " sunflower ", this visitor will be near the sensing scope of the transducer this oil painting, thereby the portable customer set up that it is carried promptly can be arrived by near the sensor " sunflower " as the Customer ID in notebook computer, PDA, MP3, the CD RFID label on one of them.Therefore, near the sensor " sunflower " has arrived this visitor's Customer ID, and oneself sensor ID is transmitted into reader in the lump together with detected this visitor's Customer ID.
Then, system discerns specific oil painting and specific visitor by sensor network, along with RFID label, reader that visitor's position changes.Concrete mode is: reader is merged into single ID with Customer ID and sensor ID, and this single ID after the emission combination is to back-end server.This back-end server is the system server of the multi-cast system based on the RFID technology of the present invention.Then, back-end server data processing such as deciphers to these data that receive, and identifies the specific oil painting that specific visitor views and admires.
Then, system is by on the portable customer set up that directly transmit data to specific visitor, and the related data that the specific oil painting that specific visitor views and admires is provided is to this visitor.Concrete mode is: system server, in the drawings it is decomposed into CPU and wireless transmit/receive units, and visitor's portable customer set up has RF and receives and transmitter unit.CPU promptly can be transmitted into the related data of this specific oil painting on this specific visitor's the portable customer set up by wireless transmit/receive units after identifying the specific oil painting that specific visitor views and admires.This specific visitor's portable customer set up receives and transmitter unit by its RF, the data that the emission of receiving system server comes.Then, the visitor can carry out different operations according to the data that received, as playing the audio frequency teaching material about this " sunflower ".
At last, contact directly by specific visitor's portable customer set up and system server, can make system is that sponsor carries out interaction with the visitor whenever and wherever possible.Concrete mode is: if the visitor wishes to understand other information of relevant " sunflower ", as author van gogh's personal information, the creation background of " sunflower " etc., can postback data to system server, launch above-mentioned information as the request back-end server.After system server receives visitor's request,, launch corresponding data and give the visitor according to visitor's request.
Come to illustrate more intuitively the framework of multi-cast system of the present invention below in conjunction with Fig. 1 and Fig. 2.Multi-cast system of the present invention is provided with a transducer respectively near all oil paintings that each branch library puted on display in museum, all the sensors of a branch library connects with a multiport reader, and the multiport reader of all branch libraries is connected with back-end server.
In the present embodiment, there is from branch library 1 to branch library n n branch library altogether in this museum, only shows branch library 1 and branch library n among Fig. 1, and each branch library is all showed m width of cloth oil painting.Like this, when with system applies of the present invention during in this museum, system architecture is:
Near every width of cloth oil painting of the m width of cloth oil painting in each branch library such as branch library 1 transducer is set, as transducer 11 is set near oil painting 11, thus each branch library as at the oil painting 11 of branch library 1 to transducer 11 to transducer 1m m transducers altogether are set near the oil painting 1m.Referring to Fig. 2, white paper can be represented the oil painting showed among the figure, and the black rectangular frame that hangs this oil painting then is transducer, and near the device that the people hands this oil painting then is portable customer set up.
A multiport reader is set, as multiport reader 1 is set, in order to read the sensor ID and the Customer ID of near transducer 11 to the transducer 1m emissions the oil painting 11 to oil painting 1m in branch library 1 in each branch library.Like this, the museum with n branch library is provided with n multiport reader altogether, and each multiport reader is responsible for reading sensor ID that m sensor emission of its place branch library come and visitor's Customer ID.
The museum is provided with a back-end server, comprises central control unit that is used for data processing and the wireless receipts/bill unit that is used for data transmit-receive.Central control unit connects with n multiport reader, launches the sensor ID of the transducer that comes and visitor's Customer ID in order to receive the rear end reader, and identification oil painting and visitor.Wireless transmit/receive units is connected in central control unit, in order to the related data of launching specific oil painting according to the instruction of central control unit portable customer set up, and receive from the data of visitor's mancarried device and be sent to central control unit to the visitor.
Use the exhibition pattern in the museum of multi-cast system of the present invention to be: when the visitor carries a portable customer set up such as customer set up 1, go to a certain oil painting for example before the oil painting 11 time, the RFID label of pasting or adding on its customer set up of carrying 1 promptly can be near the sensing scope of the transducer 11 of this oil painting 11.Thereby near the transducer 11 the oil painting 11 detects the Customer ID in this customer set up 1.In the present embodiment, employed transducer 11, transducer 12 ... transducer nm can be based on RFID or can transmit data to the system of short scope based on the system of IR (Infra-red, promptly infrared) or other in air dielectric.
Transducer 11 obtains Customer ID from customer set up 1 after, will launch this Customer ID to multiport reader 1.This multiport reader 1 is merged into single ID with Customer ID and sensor ID.Launch this ID then to central control unit (CCU, hereinafter referred CCU).
CCU is based on this single ID that is received from 1 emission of multiport reader, identify this specific oil painting 11 and this visitor, will postback to the data of customer set up 1 thereby produce, promptly produce and these specific oil painting 11 relevant institute data, and transmit the data the produced data transmission unit in its wireless transmit/receive units, as antenna, thus multicast or broadcast these data to customer set up.Customer set up 1 is carried out different operations based on the data that received, as plays the audio material of relevant this oil painting 11.
The visitor can as the keyboard of PDA, further control customer set up and carry out different functions by the input unit of customer set up 1.If the visitor wants to obtain the extra information about this specific oil painting 11, it can directly be launched by its portable customer set up asks CCU.The Data Receiving unit of the wireless transmit/receive units of CCU after the data that received from customer set up 1, transfers data to CCU.CCU is based on the data that are received from customer set up, and generation will postback the data to customer set up.
As seen, because native system with transducer and the oil painting " binding " that puted on display together, and together with RFID label and portable customer set up " binding ", and the data by multiport reader receiving sensor, and make near the specific visitor of system server can a certain specific oil painting of Real time identification, and then information that will this specific oil painting is transmitted on this visitor's the portable customer set up automatically.Multi-cast system of the present invention can be avoided all drawbacks of prior art, and is that the visitor is following convenient:
One, visits in the visit process of several oil paintings numerous visitors, the information of its oil painting of viewing and admiring can automatically be provided for each visitor, rather than introduce each width of cloth oil painting successively circularly with the form of broadcasting.Thereby the information that the visitor just needn't need for them is lined up before the special staff of information retrieval system, guide, museum, or wait for the airtime, and the visitor needn't hear machine-made audio material, and then shortened waiting time of visitor, saved visitor's time, prior permission visitor recognizes the information that it needs in mode more efficiently.
Two, native system is transmitted to the visitor with multimedia messages, makes the visitor can enjoy the information of relevant its interested specific oil painting of omnibearing solid.
Three, native system can provide the information of the show piece of different language version, and promptly customer set up can be by customization, and the rear end server then can provide oil painting information to this customer set up with different language.The visitor only needs to select its languages that are suitable in its portable customer set up, can obtain the oil painting information of these languages.
Four, multi-cast system of the present invention allows all information of the passive reception of user, even old man, child, disabled person also can use system of the present invention, without any problem.And the user is by opening or closing its portable customer set up, obtained to receive and the freedom of the information of receiving system server emission not, and unlike broadcast system of the prior art, the user is obliged to go to listen its uninterested content sometimes.
Five, more outstanding is that native system can be interactive comprehensively anywhere or anytime with all visitors.Specifically, system of the present invention exactly be except can grasping visitor's position at any time, and provides information with the oil painting of this position to beyond the visitor, can also receive visitor's request, and other information is provided.
On the other hand, multi-cast system of the present invention can provide following convenience for the sponsor of museum, fair etc.:
One, this system position of all-the-way tracking visitor automatically, and the information of oil painting that relevant position is provided is to the visitor, saving outside visitor's the visit time, shortening the cycle of each exhibition, thereby can receive more number of visitors in identical period;
Two, automatic all-the-way tracking visitor's position, and visitor's position is corresponding with the canvas print of being put on display, thus be convenient to add up the data of visitor's hobby, the popular degree of oil painting etc.And, because the all-the-way tracking visitor of system, Customer ID in the portable customer set up of carrying according to the visitor is discerned the visitor, if this Customer ID comprises information such as visitor's nationality, age, sex, occupation or interrelates with information such as age of visitor, sex, occupations, can also carry out the hobby to oil painting, different sexes such as each colony to the more detailed statistics such as taste of oil painting, this is more faster, accurate by the form that the visitor fills out similar receipt than conventional art at age.
Three, multi-cast system of the present invention automatically the all-the-way tracking visitor relevant information is provided, can also not be subjected to human resources restrictedly to provide the information of different language version to the visitor.Therefore, provide service automatically, and provide multilingual service, when having made things convenient for the visitor, significantly reduced management cost especially, as reduced the staff.
As shown in Figure 3A, be the circuit block diagram of the portable customer set up that uses with transponder in the multi-cast system of the present invention, it shows the operating process when enough times spent of data transfer bandwidth of customer set up and back-end server.Customer set up among the present invention comprises with lower unit: CPU, the RF Transmit-Receive Unit that connects with CPU, data input cell, memory, data output unit.And transponder is connected on this customer set up.Portable customer set up is the device that can carry for the visitor of native system, and each user has such device.
Following mask body is introduced in the multi-cast system of the present invention, and transponder reaches the function that is connected each module in the portable customer set up that uses with it:
Transponder, i.e. RFID label, it is the unit that connects with sensor network.When portable customer set up was in the sensing scope of sensor network inner sensor, the data that connect transponder thereon will be transmitted into back-end server by sensor network.Then, back-end server will be discerned the oil painting that visitor and visitor view and admire based on the data that received, and to which visitor, promptly launches which kind of information to judge the information that will broadcast which width of cloth oil painting to which customer set up.
The RF Transmit-Receive Unit is used for Data Receiving and the emission between portable customer set up and the back-end server.Under the situation of the enough usefulness of data transmission bandwidth between customer set up and the back-end server, the data that the RF Transmit-Receive Unit receives can comprise the information of the control aspect of back-end server emission, and the information of content aspect, as text, audio stream and the video flowing of " sunflower ".
Data input cell is the interface between visitor and the customer set up.This interface allows visitor to use this device and back-end server mutual, and the further information as the visitor needs understanding " sunflower " can be input to request in the portable customer set up by data input cell.This data input cell can realize with the form of any input that can catch the visitor such as button, keyboard, speech recognition etc.
CPU is used for data processing, comprising:
(1) handles the data that received by RF reception and transmitter unit, under the situation of the enough usefulness of data transmission bandwidth between this customer set up and the back-end server, with control signal and the data that received, as the information of content aspect, deposit in the memory as text, audio stream and the video flowing of " sunflower ".
(2) reception deposits in the memory, and transmit data to back-end server by the RF Transmit-Receive Unit from the instruction of data input cell.
Memory is used to store the data of coming in from control signal and all of CPU, and these data of coming in comprise the data that received by the RF Transmit-Receive Unit and the data by the data input cell input.
The data output unit is the interface between visitor and the customer set up.This data output unit receives the control signal of CPU, according to the control signal that is received, calls the data from memory, as accesses text, audio stream and the video flowing of the next specific oil painting of back-end server emission.The data output unit can be with the form of any this visitor's understanding, as form dateouts such as audio frequency, image, text, videos.The data output unit can be LCD display, audio microphone etc.
Shown in Fig. 3 B, be another circuit block diagram of the portable customer set up that uses with transponder in the multi-cast system of the present invention, it shows the operating process when the data transfer bandwidth of customer set up and back-end server is not enough.The difference of Fig. 3 B and Fig. 3 A is:
The data that to play have been pre-stored with in the memory, as text, audio stream and the video flowing of " sunflower ".
CPU only receives the control information from back-end server, and according to this information control signal is stored in the memory.
Output unit accesses the data of storing in advance in the memory according to the control signal from CPU.
As shown in Figure 4, the frame principle figure for the back-end server that uses in the multi-cast system of the present invention comprises: CPU, and by the input unit that decoder connects with CPU, the memory that connects with CPU, encoder, RF receiving element, RF transmitter unit, output unit.Following mask body is introduced the function of each module in the back-end server that uses in the multi-cast system of the present invention:
Data input cell connects with the multiport reader, to collect the Chuan Ganqi ﹠amp after encoding from sensor network; The Customer ID group.Chuan Ganqi ﹠amp behind this coding; Each Chuan Ganqi ﹠amp in the Customer ID group; Customer ID is the sensor ID of near the sensor emission the specific oil painting being come by reader with visitor's customer set up on Customer ID in the RFID label that is connected encode and form.
Decoder is used for from the transducer behind the coding of multiport reader; Customer ID decoding, and output among the CPU.
CPU is used for data processing.Comprise:
(1) data after the decoding of processing decoder input, and output to output unit, as sensor ID and Customer ID are outputed on the display, be convenient to the staff and understand current exhibition situation, as be positioned at the personal information of the visitor " sunflower " near;
(2) according to the data after this decoding, the control storage dateout, and controlled encoder with the digital coding of going out in the memory and the data after exporting this coding arrive the RF transmitter unit.
(3) handle the data that receive by the RF receiving element from customer set up, after the text message as relevant " sunflower " that receive back-end server emission the visitor, when the visitor wishes to receive the multimedia messages of " sunflower " and be transmitted into the request of back-end server.CPU will handle this request, and launch response message to customer set up by the RF transmitter unit.
Memory be used to store will multicast data, as the information of all oil paintings of being puted on display in the museum, these data also are the information that will be transmitted into customer set up, as the information of types such as the text of a certain specific oil painting, audio frequency, image, video.
Encoder is used for digital coding.
The RF receiving element is used to receive the data from customer set up, and is input to CPU.
The RF transmitter unit is used for the control signal according to CPU, transmit data to customer set up.
Output unit is used for the control signal according to CPU, data after the output decoder decoding and as user's information requested etc.
As shown in Figure 5, the workflow diagram of multi-cast system of the present invention demonstrates system of the present invention and how to work.At first, carry out the registration step of visitor and the article that puted on display.Shown in the upper left corner of Fig. 5, the visitor registers as nationality, sex in native system, and the information about they individual is provided, as age, hobby etc., thereby can in his/her visit process, launch customized information, arrive his/her portable customer set up as video information.Shown in the upper right corner of Fig. 5, the Item Information that will be visited also is registered and uploads to native system.And the primary data of system is stored on some portable PDA, these PDA are used to issue the visitor who does not carry portable customer set up who visits article.
Then, when the visitor entered museum or fair, whether the inquiry visitor had the portable customer set up of oneself, as PDA.If the visitor has, then the primary data with system downloads on visitor's the PDA, and the RFID label pasted or appends on visitor's the PDA.If the visitor does not have, then off-the-shelf PDA and RFID label are sent out and the visitor.
Then, near the visitor comes a certain specific article, and the RFID label on its PDA is when the sensing scope of the transducer of this special article, and this transducer reads the Customer ID of storing in this RFID label.
Then, the multiport reader reads this Customer ID, and this Customer ID and this sensor ID are merged into single ID is transmitted into CCU.
Then, the CCU basis receives the single ID after this merging, identify the position of this transducer, the article and the visitor that promptly identify the visitor and visited, and then from be stored in memory, will access the data relevant in the data of multicast with this special article, these data comprise text, audio frequency, image, video etc., and are transmitted to the visitor.
Then, the visitor operates accordingly according to the data that PDA receives, as displaying video, audio frequency, animation, text etc.
Then, judge whether the visitor postbacks data and give CCU.Need to prove, as long as the PDA that the visitor carries is in opening, then no matter which special article it goes to before, and system of the present invention all can one launches the information of article of this relevant position automatically to visitor's PDA, need not the client and carries out extra action.If the visitor is not content with received information, can also file a request to CCU, promptly transmit data to CCU by reception of the RF among the PDA and transmitter unit.After CCU receives visitor's request, promptly can directly transmit data on visitor's the PDA by its wireless transmit/receive units.
Then, give CCU if the visitor no longer postbacks data, judge then whether the visitor arrives next article, at this moment system will carry out and the similar action of last article, and promptly CCU launches the PDA of the information of these next article to the visitor.If having visited, the visitor finishes, it can edit the data on the PDA that system of the present invention is transmitted into him at an easy rate, can be as the visitor by data output unit such as LCD display, the audio microphone etc. on the PDA, with outputs such as audio frequency, image, text, videos.
At last, system can carry out various statistics and analysis according to the relevant visitor's who stores among the CCU various data.
In sum, the present invention uses cheaply that the RFID technology provides automatic transmitting system cheaply.Multi-cast system of the present invention uses low cost and portable formula customer set up, as the MP3 player, is used for providing information to the visitor according to audio or video, and this depends on customer set up, thereby a kind of automatic transmitting system cheaply is provided.In multi-cast system of the present invention, a plurality of antennas are connected in concentrated reader.Thereby require to have a lot of wirings.If antenna and reader can pass through power line communication (PowerlineCommunication, be PLC) joining will be better, this be because, so need be at the new cable of " in last kilometer " (last mile) installation, PLC has made full use of the network of maximum on the ground.In addition, preferred, use can be supported the reader of a plurality of antennas.For example, can support 8-10 antenna at least, even the reader that can support a hundreds of antenna of particular design, to reduce system cost.
Claims (12)
1. sensor-based multi-cast system, it is characterized in that comprising: a plurality of transponders are connected with a plurality of customer set ups of being held respectively by a plurality of users respectively; A plurality of transducers lay respectively near a plurality of objects; The multiport reader that connects with described a plurality of transducers; The back-end server that is connected with described multiport reader;
When a customer set up in described a plurality of customer set ups is positioned near the object of described a plurality of objects, be positioned near the Customer ID of the sensor of a described object, and launch detected Customer ID to described multiport reader to the transponder stored that is connected in a described customer set up;
Described multiport reader is merged into Chuan Ganqi ﹠amp with the described Customer ID and the sensor ID of the described transducer of the described Customer ID of emission; Customer ID, and launch described transducer; Customer ID is to described back-end server;
Described back-end server is to described Chuan Ganqi ﹠amp; Customer ID is deciphered, and identifying a described object and to be positioned near it a described customer set up, and emission data relevant with a described object are to a described customer set up;
A described customer set up is carried out different operations based on the data that received.
2. multi-cast system as claimed in claim 1, it is characterized in that, described back-end server has: CPU, and the decoder that connects with described CPU, memory, encoder, RF transmitter unit are connected in the input unit between described decoder and the described multiport reader;
Described input unit receives the described Chuan Ganqi ﹠amp from described multiport reader; Customer ID, and output to described decoder;
Described decoder is to described Chuan Ganqi ﹠amp; Customer ID decoding, and the data after the output decoding are to described CPU;
The data of described CPU after according to described decoding, control the described memory output data relevant to described encoder with a described object, and control described encoder will with a described digital coding that object is relevant, and control data behind the described RF transmitter unit coding;
Described customer set up has rf receiver unit, in order to receive the data behind the described coding.
3. multi-cast system as claimed in claim 2 is characterized in that described back-end server also has the RF receiving element;
Described customer set up also comprises: CPU, data input cell, rf transmitter unit; Described CPU connects with described data input cell, described rf transmitter unit and described rf receiver unit;
The instruction of the described CPU processing said data input unit input of described customer set up, generation will postback the request to described back-end server, and by the RF receiving element of described rf transmitter unit emission described request to described back-end server;
The described CPU of described back-end server sends the described rf receiver unit of response data to described customer set up according to the request of described customer set up.
4. multi-cast system as claimed in claim 3 is characterized in that, the data relevant with a described object of described back-end server emission are: in order to the control data of the operation of controlling a described customer set up and the content-data of a described object;
A described customer set up is stored described control data and described content-data, and according to described control data and the described user instruction by described data input cell input, accesses the content-data of a described object.
5. multi-cast system as claimed in claim 3 is characterized in that, the data relevant with a described object of described back-end server emission are: in order to the control data of the operation of controlling a described customer set up;
A described customer set up is stored described control data, and according to described control data and the described user instruction by described data input cell input, accesses the content-data of the described object that a described customer set up prestores.
6. as claim 4 or 5 described multi-cast systems, it is characterized in that the content-data of a described object is the combination in any of the data of text, audio frequency, visual form.
7. as the described multi-cast system of each claim of claim 2 to 5, it is characterized in that described back-end server also has the output unit that connects with CPU,, export data after the described decoding to described output unit in order to control according to described CPU.
8. multi-cast system as claimed in claim 7 is characterized in that, described output unit is the combination in any of display, printer, audio player, storage medium.
9. as the described multi-cast system of each claim of claim 2 to 5, it is characterized in that described customer set up also has the data output unit, be used to export the data relevant to described data output unit with a described object.
10. multi-cast system as claimed in claim 9 is characterized in that, described data input cell is the combination in any of keyboard, mouse; Described data output unit is the combination in any of display screen, audio player, storage medium.
11., it is characterized in that described transponder is the RF transponder as the described multi-cast system of each claim of claim 1 to 5.
12., it is characterized in that described transponder is the infrared ray transponder as the described multi-cast system of each claim of claim 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410088020 CN1767447A (en) | 2004-10-29 | 2004-10-29 | Multicast system based on sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410088020 CN1767447A (en) | 2004-10-29 | 2004-10-29 | Multicast system based on sensor |
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| CN1767447A true CN1767447A (en) | 2006-05-03 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101038618B (en) * | 2006-12-01 | 2010-04-07 | 华南理工大学 | Intelligent antenna system of RFID reading machine |
| CN102739973A (en) * | 2011-05-11 | 2012-10-17 | 新奥特（北京）视频技术有限公司 | Method for achieving Van Gogh oil painting special effect of subtitles |
| CN103646221A (en) * | 2011-10-28 | 2014-03-19 | 意大利罗塔斯责任有限公司 | A system for the display, by a user, of multimedia content items |
| CN104980883A (en) * | 2015-05-29 | 2015-10-14 | 努比亚技术有限公司 | Near field information transmitting method and system |
| TWI549093B (en) * | 2008-11-07 | 2016-09-11 | 國立高雄應用科技大學 | Exhibition guiding, managing and monitoring system utilizing radio frequency identification (rfid) |
| CN106652855A (en) * | 2016-12-28 | 2017-05-10 | 天津恒达文博科技有限公司 | Navigation method for gathering and intensively displaying information |
-
2004
- 2004-10-29 CN CN 200410088020 patent/CN1767447A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101038618B (en) * | 2006-12-01 | 2010-04-07 | 华南理工大学 | Intelligent antenna system of RFID reading machine |
| TWI549093B (en) * | 2008-11-07 | 2016-09-11 | 國立高雄應用科技大學 | Exhibition guiding, managing and monitoring system utilizing radio frequency identification (rfid) |
| CN102739973A (en) * | 2011-05-11 | 2012-10-17 | 新奥特（北京）视频技术有限公司 | Method for achieving Van Gogh oil painting special effect of subtitles |
| CN102739973B (en) * | 2011-05-11 | 2018-05-04 | 新奥特（北京）视频技术有限公司 | A kind of method for realizing subtitle van gogh's oil painting special efficacy |
| CN103646221A (en) * | 2011-10-28 | 2014-03-19 | 意大利罗塔斯责任有限公司 | A system for the display, by a user, of multimedia content items |
| CN104980883A (en) * | 2015-05-29 | 2015-10-14 | 努比亚技术有限公司 | Near field information transmitting method and system |
| CN106652855A (en) * | 2016-12-28 | 2017-05-10 | 天津恒达文博科技有限公司 | Navigation method for gathering and intensively displaying information |
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