CN101637655A - Radio frequency (RF) entertainment or instructional system - Google Patents
Radio frequency (RF) entertainment or instructional system Download PDFInfo
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- CN101637655A CN101637655A CN 200910009295 CN200910009295A CN101637655A CN 101637655 A CN101637655 A CN 101637655A CN 200910009295 CN200910009295 CN 200910009295 CN 200910009295 A CN200910009295 A CN 200910009295A CN 101637655 A CN101637655 A CN 101637655A
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Abstract
The invention relates to a radio frequency (RF) entertainment or an instructional system, mainly comprising an RF transceiver unit, an RF output object and a display unit, wherein the RF transceiver unit comprises an antenna array, an RF reader and a control unit; an RF tag is arranged in the RF output object; the antenna array detects the information of existence and position of the RF output object by means of active scan; the information is transmitted to the control unit by the RF reader; the control unit calculates the state and mobile track of the RF output object so as to further judgethe action of the RF output object; and the processed results are converted into input events to be displayed by the display unit. The RF electronic game system has the advantages of diverse functions, visualized input method, easy operation, good human-computer interactive performance and higher accuracy, can be used as an independent educational game device or as peripheral devices of computers,mobile communication equipment, electronic game consoles and other equipment, which can be widely used in the fields of education, games, business and the like.
Description
Technical field
The present invention relates to can be applicable to a kind of electronic instruction games system in virtual education or electronic game field, particularly a kind of radio frequency (RF) entertainment or tutoring system.
Background technology
At present, most electronic games all needs to move on the electronic equipment of complicated operation, the user to be combined into complicated instruction with simple and crude input mode, and this popularization for electronic game is comparatively unfavorable.For this reason, people are developed and the game station that can control by modes such as touches, greatly reduce the complicated operation degree of electronic game, and this kind equipment can interconnect by communication apparatus or internet etc., realize the remote game of multiuser-multitasking, thereby improve the interest of electronic game.The patent in China Patent No. ZL200973964, November 14 2007 day for announcing once proposed a kind of radio-frequency intelligent chess tool, it comprises single-chip microcomputer, card reading module, induction coil, clock module and the memory module etc. that are embedded in chessboard, keyboard input module, clock module, display module, memory module are connected with single-chip microcomputer respectively, linked to each other with the induction coil that is provided with in each begins a little at chessboard by monolithic processor controlled card reading module, each chess piece bottom arrangement can be discerned the radio electronic label of chess piece name.Each step displacement of this chess prodigiosin identification, record and demonstration chess piece, the record so that generation in the process of playing chess, demonstration and storage are played a game.But this game device function is comparatively single, can't indicate the motion state of chess piece in real time accurately, and unidirectional input form can't realize human-computer interaction preferably, and range of application is narrow.
Further, China Patent No. ZL200480029939, open day is a kind of e-education game station that comprises the communication unit with RF tag of patent proposition on November 22nd, 2006, it comprises communication unit and recreation version, communication unit can be chess piece, figurine, forms such as card or dice, each communication unit all has the RF tag that provides PIN, cribbage-board comprises the digital processing circuit that is connected to a plurality of antennas, these antenna is arranged as the existence that is formed for detecting communication unit, the sensor matrices of type and position, radio-frequency readers is connected respectively to a plurality of corresponding I/O end of digital processing circuit, and can be connected to the associated group of a plurality of antennas by means of corresponding multiplexer, cribbage-board can comprise the detachable member of basic plate, and each basic plate comprises the basic digital processing circuit of the antenna that is connected to corresponding basic plate.This games system has application function more widely, but when it is applied to relate to the recreation of action input such as role playing etc., only can will be pre-stored in corresponding animated video in the system according to player's action equals display interface and shows, and action that can not the actual displayed player, this will reduce the interest of recreation and interactive.Again, in this type of games system, the user is in game process, virtual information in the recreation can't be grasped, and real-time storage, promptly the information in the recreation can't transmit in the objects such as being stored to game card, causing can only be by the player to games system uniaxially input information, human-computer interaction function a little less than.For example, in a recreation, certain input action at the user, these games systems may be play one section animation that prestores, the user be if will grasp some article in this animation and this Item Information is kept in its communication unit such as game card of holding in one's own possession, then such operation can't realize,
Summary of the invention
The objective of the invention is to propose a kind of functional diversities, can be applicable to recreation such as study and chess and card, virtual war, input method is directly perceived, easy operating, have good human-computer interaction performance, and higher radio frequency (RF) entertainment or the tutoring system of accuracy, to overcome deficiency of the prior art.
For achieving the above object, the present invention has adopted following technical scheme:
A kind of radio frequency (RF) entertainment or tutoring system, comprise the Transmit Receive Unit mainly formed by aerial array, radio-frequency readers and control module, in establish RF tag radio frequency export object and display unit, it is characterized in that, described aerial array detects the existence and the azimuth information of radio frequency output object by the active scan mode, transfer to control module through radio-frequency readers, and calculate the state and the motion track of radio frequency output object by control module, and then judge the action of radio frequency output object, and result is converted to incoming event shows by display unit.。
Particularly, described control module comprises the equipment control layer, the conflict management layer, action recognition data collection layer and signal are translated and transport layer, the mode that scans of taking the initiative radio-frequency readers and aerial array detects radio frequency output spare, and testing result sent to the equipment control layer, judge the data acquisition conflict property that radio frequency is produced physically by the conflict management layer, see through the fuzzy filter algorithm that reaches and orient the demarcation of radio frequency output object on aerial array is arranged, identification forms difference can respond to precision and kinetic coordinate system, then transfer to the action recognition data collection layer and describe and proofread and correct the motion path of radio frequency output object, finally draw incident, and incident translated with transport layer by signal send to a display unit and/or a scheme applied host machine by the input of radio frequency output object.
Described action recognition data collection layer comprises motion detection block, position detecting module, object detection module and feedback control module, and is after motion detection block, position detecting module and the series connection of object detection module, in parallel with feedback control module.
Described Transmit Receive Unit comprises aerial array, radio frequency read-write chip, microcontroller module, display control module and interface communication module, aerial array is connected with the microcontroller module by the radio frequency read-write chip, and the microcontroller module is connected with the interface communication module with display control module respectively.
Peripheral hardware control module and power management module also are set in the described Transmit Receive Unit, and these modules are connected with the microcontroller module respectively, but and this peripheral hardware control module be connected with expanding peripherals.
But described expanding peripherals is at least a kind of in keyboard, handle and the Trackpad or several combination.
Described control module comprises by expanding communication interface module and being connected with Transmit Receive Unit.
The described radio frequency output of described radio frequency output object object is the radio frequency output object with interactive capability, in game process, the user is by scheduled operation, and optionally the information in recreation input is pre-stored in radio frequency output object is exported in the object with receiving the virtual information in the recreation and it being kept at radio frequency.
Described Transmit Receive Unit is more than one radio frequency tablet, each radio frequency tablet connects by PORT COM each other, form an interactive radio frequency (RF) entertainment or a tutoring system, or each radio frequency tablet is connected with the scheme applied host machine by wired or wireless mode respectively, forms an interactive gaming system.
Described aerial array is squaerial array, concentric-ring pattern aerial array or the cellular aerial array that is arranged on the panel.
The present invention is by the improvement to Transmit Receive Unit in the prior art and radio frequency input object, thereby RF tag information identification simple in the prior art is expanded to the equipment that can be imported (can operate) by man-computer interface, and can be according to integrated scheme and product, with procedural information and result mutual or via internet, local networking, short distance is wired and mode such as radio communication, formation can real-time interactively integrated scheme or the product of many people.Simultaneously, in concrete demands of applications, also the control section that can specifically adjust in the Transmit Receive Unit is adjusted, and makes it to cooperate with existing little electronic game, electronics teaching aid etc., forms simple teaching or game device with better man-machine interaction.
It is to be noted, the single or multiple antennas of available technology adopting generally adopt static identification to RF tag, and if take same mode recognition radio frequency label with densely arranged aerial array, then often be difficult to be removed, and then influence the precision that radio frequency reads because of adjacent antenna interferes with each other the noise that produces.Adopt the mode that control module is set among the present invention in Transmit Receive Unit, make Transmit Receive Unit can accept radio frequency output object, i.e. the multidate information of RF tag input, thus eliminate the noise that causes because of the interference between the adjacent antenna.For example, if setting according to a recreation, with radio frequency export object in the aerial array upper edge from left to right direction slide, then in the control module receiving antenna array behind the signal of a plurality of antenna transmission, pass through simple algorithm, obtain from left to right antenna induction to middle track shaft, can accurately obtain the information of radio frequency output object, comprise its movement locus and input action or the like.Certainly, realize said process, then need the power of antenna is suitably adjusted, but make radio frequency output object both specific antenna sense, also can be sensed by other adjacent antenna simultaneously, thereby avoided the generation of blind area, and should not arrived by farther antenna induction, say it, promptly is that the antenna that can sense radio frequency output object is confined to around in the particular range around the radio frequency output object, then adopt centroid algorithm to handle the signal of each antenna transmission, obtain the information of radio frequency output object.Again, according to the setting needs of difference recreation, the arrangement mode of aerial array can be for being arranged in rectangle, circular concentric and honeycombed on the panel or the like.
In addition, radio frequency in this radio frequency (RF) entertainment or tutoring system output object also has interactive capability, and it can pass through RF-wise, to recreation input customizing messages with receive the information in playing and it is write storage area in the RF tag.For example, the user can be in game process can selectively will be stored in information in the radio frequency input object etc. by specific input action and send in the recreation, also can adopt specific input action to grasp the interior information of recreation, as true object in the game video etc., and the storage area of the RF tag in the radio frequency input object into of storing, for using next time.
Display unit in this radio frequency (RF) entertainment or the tutoring system can be the audio-visual display unit of dot matrix display or other type, its displayable content comprises player's private information and public information etc., and radio-frequency readers and electronic tag can be respectively universal radio frequency read-write chip and load the universal electronic label of recreation information needed.In addition, but this radio frequency (RF) entertainment or tutoring system also can be connected such as expanding peripherals such as keyboard, handle, Trackpads, thereby further expand its function and application.
Compared with prior art, beneficial effect of the present invention is: this radio frequency (RF) entertainment or tutoring system functional diversities, easy operating, has good human-computer interaction performance, and accuracy is higher, can be used as independently educational games equipment, or the peripheral hardware of equipment such as computer, mobile communication equipment and electronic game machine is widely used in fields such as education, recreation, commercial affairs.
Description of drawings
The present invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of radio frequency (RF) entertainment or tutoring system in the specific embodiment of the invention;
Fig. 2 is the structural representation of radio frequency tablet in the specific embodiment of the invention.
The specific embodiment
Shown in Fig. 1～2, this radio frequency (RF) entertainment or tutoring system comprise radio frequency output module, Transmit Receive Unit and dot matrix display, the radio frequency output module can be card, model person of low position, 6 body radio frequencies such as (as dices) output objects, be provided with one or more RF tags of storage customizing messages in these radio frequency output objects, Transmit Receive Unit comprises the radio frequency tablet of mainly being made up of aerial array, radio-frequency readers and control module.
The radio frequency tablet can be by the scanning of aerial array, detect the existence and the azimuth information of RF tag in the radio frequency output object, and calculate radio frequency and export the state of object and mobile track, judge the action of importing object by algorithm, the various results that draw are converted to incoming event and are sent to a display screen and a scheme applied host machine.Dot matrix display is integrated to be arranged on the radio frequency tablet.
Control module comprises equipment control layer, conflict management layer, action recognition data collection layer and signal translation layer and transport layer etc.The mode that scans of taking the initiative radio-frequency readers and aerial array detects radio frequency output spare, and scanning result sent to the equipment control layer, judge the data acquisition conflict property that radio frequency is produced physically by the conflict management layer, orient object through fuzzy and filter algorithm and can respond to precision and kinetic coordinate system in demarcation identification (Location ID) the formation difference of aerial array arrangement, then transfer to the action recognition data collection layer and describe and proofread and correct the motion path of object, finally draw the incident of input, incident is translated with transport layer by signal send to a display screen and a scheme applied host machine.This scheme applied host machine can be general PC platform, electronic game machine, mobile communication equipment, perhaps embedded device of the isolated operation of rf data transmitting-receiving disposal ability or the like, a kind of known behavior (or input signal) is explained or converted to its incoming event that the radio frequency tablet can be transmitted, agree with the existing logic OR interacting operation in (or multiplexing) scheme, such as utilize card-type input object to substitute the clicking of single-point or multi-point touch panel, menu is selected, or is translated into simulating keyboard input signal etc.Above-mentioned action recognition data collection layer comprises motion detection block, position detecting module, object detection module and feedback control module, and is after motion detection block, position detecting module and the series connection of object detection module, in parallel with feedback control module.
Concretely, Transmit Receive Unit comprises aerial array, radio frequency read-write chip, microcontroller module, display control module, interface communication module and power management module, aerial array is connected with the microcontroller module by the radio frequency read-write chip, the microcontroller module is connected with the scheme applied host machine with dot matrix display with the interface communication module by display control module respectively, and power management module is connected with the microcontroller module.
The mode of optimizing is, also the peripheral hardware control module can be set further in the Transmit Receive Unit, by this module, the radio frequency tablet can insert expansion input equipments such as button, handle, Trackpad, these input equipments can send to the scheme applied host machine by bluetooth, the wired networking of USB or wireless network communication interface and agreement, thereby, further promote the function of electronic game system with radio frequency tablet and the collaborative work of radio frequency input object.
In addition, also can add audio generator and Tricolor LED etc. on the radio frequency tablet, so that better game effect to be provided.
In this games system, the typical input action that radio frequency output object can be realized on the radio frequency tablet has: put, take off, knock (put down fast and take), sliding (hacks, it is the slip in the certain hour, different vectors can be arranged, as level, vertical, oblique angle), vibrations (in the regular hour short distance slide a short distance vector and fast return vector on the contrary) or the like.
Transmit Receive Unit is to the existence of RF tag in the radio frequency output spare and the detection in orientation, depend on scanning antenna array layout and size, as the squaerial array, wherein typically can be 3 * 4 or 3 * 3 layouts (aerial array is the square of the about 60mm of the length of side), 1 * 2 left-right layout, 2 * 2 square layout, 6 * 6 layouts (aerial array is the square of the about 30mm of the length of side).
Radio frequency output object can expand on an input object face and embed two or more RF tags or different shapes, reverse with realization, the input action of directionality, the intelligent double-sided card of RF tag is set respectively as the two sides, can realize the input of torsional direction action and the differentiation output of positive and negative information, or control square, it is pressed close to the surface at each face of polyhedron (being generally square) RF tag is set, thereby can produce multiaspect to input information, can realize the multiselect and the rotary movement of information, this kind control square can be as a standard input object repeated application in integrated scheme and product.
Again, but also store byte data of the RF tag on the radio frequency output object, and the memory that also can be used as appointed object receives the instruction that writes data, as identification, key etc., promptly realize read-write, transmitting-receiving and the storage of data mode.For example, relate in the quiz game of video segment one, specific operation by the user (such as specific input action or specific instruction etc.), can intercept or the replicating video fragment in the article at certain position on certain period picture, and it preservation gone in the radio frequency output spare (as card etc.), for the usefulness of riddling.Again for example, relate in the recreation of a plurality of animation fragments at certain, if article such as torch in an animation fragment, occurred, and the user may be applied to this torch in other certain animation fragment, then pass through specific operation, the user can " take off this torch ", and is kept in the RF tag, uses with " stage property " after being provided as.
A plurality of radio frequency tablets can form the real-time, interactive that many people participate in by wired (as PORT COM etc.), short-distance wireless radio frequency (as bluetooth etc.) transmission signal and use.For example, in multiplayer, every participant holds default radio frequency tablet of a cover and supporting with it radio frequency output object.Every participant's state storage (as identity identification, interaction data and signal etc.) can see through the internet and form the interactive application that the many people in strange land participate in.
A plurality of radio frequency tablets also can be connected with same scheme applied host machine respectively, and are integrated into a large-scale radio frequency tablet by the scheme applied host machine by coordinate algorithm.This kind scheme can be applicable to large-scale networking and fights among recreation, the networking question and answer contest etc.
An application example of this radio frequency (RF) entertainment or tutoring system is as follows:
A kind of radio frequency electric games system that can assemble the masses in public, it comprises:
Several radio frequency tablets;
With the particular radio-frequency output object of radio frequency tablet coupling, as control square or card, preferably control square, if card, then its each face all contains a RF tag with corresponding answer choice, and can be used as question-and-answer game apparatus;
One scheme applied host machine;
And a display device, be used for building TV and guess atmosphere such as program unexpectedly, and even show different exercise question types, to increase participant's contest sense through literal, sound, image, animation by figure, sound, animation;
Each radio frequency tablet is connected with the scheme applied host machine respectively with display device.
This recreation can obtain by approach such as DVD ROM, NAND Flash or internets, and is stored in this locality.
In this recreation, can play the part of the host by system, the participant plays the part of the guest, and the exercise question type that wherein relates to can have multiple manifestation mode, as: answer a problem jointly, to answer correct not score; Race to be the first to answer a question a problem simultaneously, to get and to answer correct not score; Show several problems simultaneously, answer correct separately and the speed score.
The exercise question type also can expand to:
The reaction type of action;
Image recognition or picture mosaic type;
Unexpectedly clap type;
Or guess certain guest's answer or the things of liking alternately, such as exercise question for participant A likes best one of following any four kinds of fruit, participant A earlier exports radio frequency object (as card) and covers on the radio frequency tablet and (hide its answer), if other participants guess the answer of participant A right just can score.
Same, with the corresponding operation of answering a question polytype can be arranged, as:
Use common radio frequency output object, answer, select an answer as four, can be upper left, upper right, the lower-left or the position, bottom right of radio frequency tablet with the position of mobile radio output object on the radio frequency tablet;
Use autgmentability radio frequency output object, as the control square of cubic type, the instruction of square with input validation, cancellation, a last topic or next topic controlled in upset, or translates into cubical certain specific one side and answer;
Use particular radio-frequency output object,, represent four answer items respectively as four cards of answering a question;
According to the recreation prompting, export object with the radio frequency of oneself and be put on other players' the radio frequency tablet, disturb other players' input;
When racing to be the first to answer a question, can require the player to fall over each other to be put into same to controll block or the different radio frequency tablet on, also can require to throw earlier and go up that the person promptly gets the power of answer on the radio frequency tablet with the mode of throwing, the face that re-uses selects or Action Selection is answered a question.
Being connected with wireless between radio frequency tablet and the scheme applied host machine turns to good (connecting as bluetooth), also can be wired connection (as connecting by USB interface).Further alternative connected mode can adopt wireless network card (as Wi-Fi 802.11b/g/m etc.).
Among this embodiment, the RF tag in the radio frequency output object can comprise the status identification information, as key, individual results and information storage, virtual image and the stage property etc. of individual or E-Payment.
Radio frequency electric games system among this embodiment also can connect the internet, realizes the many people in the strange land achievement integration rank of playing simultaneously and play, and also can expand exam pool by the Internet download, further expands the function and the interest of this games system.
Another application implementation of this radio frequency (RF) entertainment or tutoring system is as follows:
A kind of can be used for the newtype recreation of merging by traditional card and radio frequency output object the radio frequency electric games system, it comprises:
Several radio frequency tablets, itself and participant in game number mate;
Complete radio frequency output object with radio frequency tablet coupling, be preferably traditional entity card of integrated RF label and the card combination that forms by collection (collection type card game) or combination (classical card game) in advance, it comprises for every card that the participant is privately owned and public;
One scheme applied host machine is used for the storage recreation;
And display terminal, can show public information and private information simultaneously, wherein public information comprises the public information that sets in recreation achievement, participant's image and the recreation, and as map and money etc., private information then comprises each participant's secret information etc.;
Each radio frequency tablet is connected with the scheme applied host machine respectively with display device.
The process of utilizing this games system to play is: according to the game design flow process, launch the mutual recreation behavior of participant, the radio frequency tablet obtains card image, and the input game information is to games system, games system takes a decision as to whether legal mutual input, determine that the back is in display terminal displaying multimedia special efficacy, increase recreation substitution sense, the participant changes adjustment type of card in real time according to tactics of the game, position and motion mode etc. are played, if fortuitous event occurs, can also interrupt recreation, and formerly game records is preserved, and by the participant under a stable condition, restart recreation, until recreation termination.
This games system also can carry out identification, and can connect the internet, to realize the multiuser to remotely contact.
In this games system, used card can possess HMI (man-machine interface) input object ability, can increase following tactics of the game and change: the locational strategy of virtual image direction in the operate game; Card image is made up the different operating mode become Different Strategies; By operant response ability or the speed generation Different Strategies of display terminal with the input object; See through write capability, can change the different pieces of information in (combination, upgrading) card; Automatically clearing, score, victory or defeat are judged.
Use the games system among this embodiment, reduce the fall into a trap use of branch stage property of traditional card-like recreation, and by the image of non-digitalization, data message etc., be easier to improve or the continuity of extension, game, as, map can be expanded by digitlization, thereby reduces the entity printing, and keeps all enjoyment of traditional game.
Certainly, the radio frequency of this games system output object also can be other traditional game stage property except that card, as image, and model or the like.
According to different demands, this games system can have multiple different application model, as: height integrating game system, the recreation flow process has system's control fully; GM system (game management system) is served as recreation GM control flow or is set the recreation difficulty by a people; Scoring system utilizes radio frequency output object to charge to recreation participant's when different breakpoints interaction results and score or the like.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit essence is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (10)
1. radio frequency (RF) entertainment or tutoring system, comprise the Transmit Receive Unit mainly formed by aerial array, radio-frequency readers and control module, in establish RF tag radio frequency export object and display unit, it is characterized in that described aerial array detects the existence and the azimuth information of radio frequency output object by the active scan mode, transfer to control module through radio-frequency readers, and calculate the state and the motion track of radio frequency output object by control module, and then judge the action of radio frequency output object, and result is converted to incoming event shows by display unit.
2. radio frequency (RF) entertainment according to claim 1 or tutoring system, it is characterized in that described control module comprises the equipment control layer, the conflict management layer, action recognition data collection layer and signal are translated and transport layer, the mode that scans of taking the initiative radio-frequency readers and aerial array detects radio frequency output spare, and testing result sent to the equipment control layer, judge the data acquisition conflict property that radio frequency is produced physically by the conflict management layer, see through the fuzzy filter algorithm that reaches and orient the demarcation of radio frequency output object on aerial array is arranged, identification forms difference can respond to precision and kinetic coordinate system, then transfer to the action recognition data collection layer and describe and proofread and correct the motion path of radio frequency output object, finally draw incident, and incident translated with transport layer by signal send to a display unit and/or a scheme applied host machine by the input of radio frequency output object.
3. radio frequency (RF) entertainment according to claim 2 or tutoring system, it is characterized in that described action recognition data collection layer comprises motion detection block, position detecting module, object detection module and feedback control module, after motion detection block, position detecting module and the series connection of object detection module, in parallel with feedback control module.
4. radio frequency (RF) entertainment according to claim 1 or tutoring system, it is characterized in that described Transmit Receive Unit comprises aerial array, radio frequency read-write chip, microcontroller module, display control module and interface communication module, aerial array is connected with the microcontroller module by the radio frequency read-write chip, and the microcontroller module is connected with the interface communication module with display control module respectively.
5. radio frequency (RF) entertainment according to claim 4 or tutoring system, it is characterized in that also being provided with in the described Transmit Receive Unit peripheral hardware control module and power management module, these modules are connected with the microcontroller module respectively, but and this peripheral hardware control module be connected with expanding peripherals.
6. radio frequency (RF) entertainment according to claim 5 or tutoring system, but it is characterized in that described expanding peripherals is at least a kind of in keyboard, handle and the Trackpad or several combination.
7. radio frequency (RF) entertainment according to claim 1 or tutoring system is characterized in that described control module comprises by expanding communication interface module to be connected with Transmit Receive Unit.
8. radio frequency (RF) entertainment according to claim 1 or tutoring system, it is characterized in that described radio frequency output object is the radio frequency output object with interactive capability, in game process, the user is by scheduled operation, and optionally the information in recreation input is pre-stored in radio frequency output object is exported in the object with receiving the virtual information in the recreation and it being kept at radio frequency.
9. according to claim 1 or 7 described radio frequency (RF) entertainment or tutoring systems, it is characterized in that described Transmit Receive Unit is more than one radio frequency tablet, each radio frequency tablet connects by PORT COM each other, form an interactive radio frequency (RF) entertainment or a tutoring system, or each radio frequency tablet is connected with the scheme applied host machine by wired or wireless mode respectively, forms an interactive gaming system.
10. radio frequency (RF) entertainment according to claim 1 or tutoring system is characterized in that described aerial array is squaerial array, concentric-ring pattern aerial array or the cellular aerial array that is arranged on the panel.
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| CN 200910009295 CN101637655A (en) | 2009-02-27 | 2009-02-27 | Radio frequency (RF) entertainment or instructional system |
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