CN1134953C - Remote-controlled replay system for electronized education - Google Patents
Remote-controlled replay system for electronized education Download PDFInfo
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- CN1134953C CN1134953C CNB991159489A CN99115948A CN1134953C CN 1134953 C CN1134953 C CN 1134953C CN B991159489 A CNB991159489 A CN B991159489A CN 99115948 A CN99115948 A CN 99115948A CN 1134953 C CN1134953 C CN 1134953C
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Abstract
The present invention relates to an electronic education play system which can be bidirectionally and remotely controlled, and the electronic education play system is connected with a closed circuit television network and a computer network. The present invention is characterized in that the remote control electronic education play system is composed of a central receiving and playing control station and an education receiving and playing control station, wherein the education receiving and playing control station can remotely control an audio-video playing device in the central receiving and playing control station and can receive transmission signals from the central receiving and playing control station; the central receiving and playing control station and the education receiving and playing control station are bidirectionally communicated in a wired or wireless mode and are controlled; the education receiving and playing control station is electrically connected with one or more special modulation-demodulation devices. The present invention has the advantages of convenient management and low cost of production and use.
Description
The invention belongs to the audio-visual education programme network system, but particularly be connected with computer network about the closed-circuit television network of a kind of remote double to control, can make whole school teaching, office, information resource management effectively, the audio-visual education program player system that utilizes in order.
The closed-circuit television system cost is low, low price, technology maturation, is a kind of inexpensive information transmission network, but to management of information, control ability a little less than; The characteristics of computer network are that cost is higher, and are very convenient to information management, retrieval, but to a large amount of look, the audio signal transmission is not very desirable.Therefore, with both combinations, giving full play to advantage separately, apply to the state education cause, will be very useful.In the patent No. is to disclose a kind of multi-purpose computer television teaching system in 86210431 utility model patents, and it belongs to a kind of computer system, and it mainly is to be placed in the classroom, is used to learn computer operation, and does not have the multimedia electrical teaching playing function; Its cost is higher simultaneously, for the manager higher professional technique requirement is arranged, and management is comparatively complicated.
The purpose of this invention is to provide a kind of simple to operate, convenient management, the production use cost is low, the remote-controlled audio-visual education program player system that can carry out two-way control.
Design of the present invention is: design a kind of remote-controlled audio-visual education program player system, it is characterized in that: described remote-controlled audio-visual education program player system is broadcast control station two parts by Play Control station, center and teaching receipts and is formed; But acoustic image playback equipment and the receiving center Play Control station transmission signals of broadcasting in the Play Control station, the remote controlled center of control station received in its teaching, and Play Control station, center and teaching are received to broadcast between the control station and carried out both-way communication and control by wired and wireless.
Described teaching is received and is broadcast control station and can be received by a plurality of classrooms and broadcast control station and office and receive and broadcast control station and forms, and the classroom is received and broadcast control station is that network, control line and pilot signal transmission line are broadcast control station with the center receipts and be electrically connected by way of closed-circuit television; Office receives and to broadcast control station is that network, computer network and control line are broadcast control station with the center receipts and be electrically connected by way of closed-circuit television; Office receives the computer of broadcasting control station and receives the computer electrical connection of broadcasting in the control station by computer network winding thread and center, and the audio-video signal of the computer output of broadcasting in the control station is input to modulation module by video switching box input is received at the center, after the modulation, pass through holding wire, be input to the mixing amplification module, after the mixing signal is input in the closed-circuit television network, has therefore reached being connected of closed-circuit television net and computer network.
Described teaching receipts are broadcast control station and can be electrically connected with at least one special-purpose modulation equipment, and this equipment one end connects coaxial cable with inserting mode, and the other end is parallel with universal turning bench, camera and a microphone.
Described center receipts are broadcast control station, and it comprises Central Control Module, video playing device, several adjacent modulation modules frequently, mixing amplification module, special-purpose modulation equipment, universal turning bench controller, monitor composition; Central Control Module receives the control signal that transmits from control line, handle by analysis, be connected with the control line of infrared light-emitting diode by an end, infrared light-emitting diode can be close on the infrared ray receive window of audio-video playback equipment, with wireless mode control video playing device; The audio-video signal of video playing device output to adjacent modulation module frequently, treated is transferred to the mixing amplification module by holding wire by signal wire transmits again, and the output by the mixing amplification module is transported in the closed-circuit television network then; Central Control Module receive teaching receive broadcast the control signal that control station sends in, the center is received the special-purpose modulation equipment broadcast in the control station and also can be received from receiving in the classroom of coming of pilot signal transmission line and broadcast the signal that sends with its corresponding special-purpose modulation equipment the control station, receives monitor and the adjacent modulation module of broadcasting in the control station frequently to the center by signal wire transmits again; The control signal that the universal turning bench controller sends, be transferred to the center by control line and receive the special-purpose modulation equipment of broadcasting in the control station, treatedly be transferred to corresponding with it classroom by coaxial cable and receive and broadcast on the special-purpose modulation equipment of control station, with the motion of control universal turning bench.
Described classroom is received and is broadcast control station and office and receive and broadcast control station and all can be electrically connected remote controller, it is received the Central Control Module of broadcasting control station by control line and center and is electrically connected, the infrared control signal that is used for controlling audio-visual playback equipment of other end receiving infrared-ray remote controller emission.
Described classroom is received and is broadcast control station and office and receive and broadcast control station and can be electrically connected the dollying system; In this system, the signal that is sent by camera, microphone is modulated on the pilot signal transmission line by special-purpose modulation equipment, signal conveys is received the special-purpose modulation equipment demodulation of broadcasting in the control station to the center, and audio-video signal is sent on monitor or the mixing amplification module, simultaneously the control signal of sending by the universal turning bench controller by special-purpose modulation module and pilot signal transmission line to universal turning bench, with the motion of control universal turning bench.
Described office receipts are broadcast the multimedia computer that multimedia computer is broadcast in the control station by the concentricity receipts of computer network winding thread in the control station and are electrically connected; Every multimedia computer all is connected with external TV box or built-in TV card simultaneously, and by external TV box or built-in TV card, multimedia computer and closed-circuit television network are electrically connected.
But the control signal that television set infra-red remote control equipment sends in the infrared receiver tube receiving center control room in the described Central Control Module, by analysis, after the processing, control signal output ends and control line by Central Control Module, be transported on the television set of each place to operate schools, thereby the television set in each classroom is divided into groups or divides grade's control.
Described Central Control Module is electrically connected with the holding wire of infrared light-emitting diode, infrared light-emitting diode can be close on the infrared ray receive window of audio-video playback equipment and multimedia computer, controls each audio-video playback equipment and multimedia computer.Described infrared remote controller can be a kind of remote controller that has laser pointer.
Characteristics of the present invention are as follows:
1, its teaching Play System adopts two-way control, can directly control by the network control line so that the teacher broadcast control station is received in teaching, and the teacher of central control room also can be by Central Control Module to the television set grouping in each classroom or divide grade or all control to acoustic image playback equipment and multimedia computer in the central control room.The flexibility of teaching is expanded greatly, and the use of remote keyboard and mouse makes multimedia computer abundant more, flexible in the use of teaching field, and value is higher.
2, because the equipment centralized management that Play System is more valuable, the present invention sets up a closed-circuit television net and Play Control station, a center in school earlier, a Central Control Module (special-purpose computer) is arranged in the Play Control station, center, Central Control Module (special-purpose computer) is electrically connected by control line or wireless mode and follows some video equipments (as VCD, VCR, LD, CVD, SVCD, DVD, multimedia computer, satellite TV's signal etc.), video from video equipment output, audio signal inputs to modulator by holding wire, through ovennodulation, mixing, it is online to be input to closed-circuit television after the processing and amplifying, make each teaching receipts broadcast the control station resource and enjoy jointly, so the tutoring system cost is low, low price, bookkeeping is convenient.
3, the Central Control Module of control audio and video equipment of the present invention, can be special-purpose computer, this machine is on the active computer technical foundation, by the communication card that designs voluntarily, control card and driver are controlled audio-video playback equipment and multimedia computer, this machine is mainly by communication card, mainboard assembly, control card and driver are formed, mainboard assembly refers to that the kit of computer manufacturer's production is (as CPU, mainboard, internal memory, video card etc.), control card includes interface circuit and control circuit etc., communication card, control card all can be built-in or external, and installation and maintenance are convenient.
Below in conjunction with the embodiment accompanying drawing, the present invention will be further described:
Accompanying drawing 1 is an embodiment general plotting logic diagram.
Accompanying drawing 2 is embodiment consoles for centralized control, the teaching receipts broadcast control station and the connection logic diagram of broadcasting between the control station is received by office.
Accompanying drawing 3 is the connection logic diagrams between each module of embodiment system.
As shown in Figure 3: the control signal of sending by remote control equipment in the place to operate schools, after the reception of the infrared receiving tube in the remote controller, through handling and amplifying, be input to Central Control Module by the output of the remote controller signal input part by control line and Central Control Module, analyze by Central Control Module, handle, control signal after the processing changes into light signal from the output of Central Control Module through infrared light-emitting diode, control corresponding audio-video playback equipment and multimedia computer, because infrared light-emitting diode is the infrared ray receive window that is close to audio-video playback equipment, between infrared light-emitting diode and Central Control Module, there is control line to connect, do not disturb and influence so can not produce to other equipment; The audio-video signal that phonotape and videotape playback equipment and multimedia computer are produced is input to modulation module by holding wire, modulation module is modulated to specified frequency with this signal, the mixing amplification module is with multiple signals stack, the amplification of modulation module output, and be imported in the closed-circuit television net, line is transported on each television set or the computer by way of closed-circuit television, each teacher selective reception as required.The computer of office space is connected with computer in the central control room by the computer network winding thread, and the vision signal of the output of the computer in the central control room is input to the input of modulation module by video switching box, after the modulation, output from modulation module, through holding wire, be input to the mixing amplification module, after the mixing signal be input in the closed-circuit television network, therefore reached being connected of closed-circuit television net and computer network.The control signal of sending by the TV remote control equipment at central control room, after the reception of the infrared receiver tube in the Central Control Module, by analysis, after the processing, control signal output ends and control line by Central Control Module, be transported on the television set of each place to operate schools, thereby the television set in each classroom is controlled.Whole system is by three most compositions, with central control room as the teaching, information resource management Sharing Center, by central control room the closed-circuit television network is connected with computer network, netting twine, control line, pilot signal transmission line are connected central control room with the place to operate schools by way of closed-circuit television, and netting twine, control line, computer network winding thread are connected central control room with the office space by way of closed-circuit television.
Described central control room is made up of Central Control Module, audio-video playback equipment and multimedia computer, adjacent modulation module, mixing amplification module frequently; Central Control Module is by a holding wire that is connected with infrared light-emitting diode, and infrared light-emitting diode is close on the infrared ray receive window of audio-video playback equipment and multimedia computer, control each audio-video playback equipment and multimedia computer, Central Control Module is electrically connected by control line and place to operate schools, the remote controller of office space, place to operate schools television set simultaneously; The audio-video signal that phonotape and videotape playback equipment and multimedia computer are exported electrically connects by holding wire and adjacent modulation module frequently; Adjacent modulation module frequently is electrically connected by holding wire and mixing amplification module, connects the pilot signal transmission line simultaneously; The mixing amplification module television set of line and place to operate schools by way of closed-circuit television is electrically connected, and line and external TV box or built-in TV card are electrically connected with multimedia computer by way of closed-circuit television simultaneously.
Described place to operate schools is made up of television set, remote controller and remote control equipment; Television set is electrically connected by the mixing amplification module of holding wire and central control room, is electrically connected by control line and Central Control Module simultaneously, so that the teacher of central control room controls the television set of whole school; Remote controller is electrically connected by the Central Control Module of control line and central control room.
Described office space is made up of multimedia computer, TV box or TV card, remote controller and remote control equipment; Multimedia computer is electrically connected by the multimedia computer in the concentricity control room of computer network winding thread; The mixing amplification module that TV box or TV cartoon are crossed in holding wire and the central control room is electrically connected, and while and multimedia computer are electrically connected; Remote controller is electrically connected by control line and Central Control Module.The signal that sends by camera, microphone by special-purpose modulation equipment modulation transmissions to the pilot signal transmission line, signal conveys is arrived central control room, by the demodulation of special-purpose modulation equipment, and audio-video signal is sent on monitor or the mixing amplification module, simultaneously the control signal of sending by the universal turning bench controller by special-purpose modulation equipment and pilot signal transmission line to universal turning bench, to control the motion of universal turning bench.
Claims (10)
1, a kind of remote-controlled audio-visual education program player system is characterized in that: described remote-controlled audio-visual education program player system is received by the center and is broadcast control station and teaching and receive and broadcast control station two parts and form; But its teaching is received and to be broadcast the remote controlled center of control station and receive the acoustic image playback equipment broadcast in the control station and receiving center and receive and broadcast the control station transmission signals, and the center is received and broadcast control station and teaching and receive to broadcast between the control station and carry out both-way communication and control by wired or wireless form.
2, a kind of remote-controlled audio-visual education program player system according to claim 1, it is characterized in that: described teaching is received and is broadcast control station and can be received by a plurality of teaching and broadcast control station and office and receive and broadcast control station and forms, and the classroom is received and broadcast control station is that network, control line and pilot signal transmission line are broadcast control station with the center receipts and be electrically connected by way of closed-circuit television; Office receives and to broadcast control station is that network, computer network and control line are broadcast control station with the center receipts and be electrically connected by way of closed-circuit television; Office receives the computer of broadcasting control station and receives the computer electrical connection of broadcasting in the control station by computer network winding thread and center; And the audio-video signal of the computer output of broadcasting in the control station is input to modulation module by video switching box input is received at the center, after the modulation, pass through holding wire, be input to the mixing amplification module, after the mixing signal is input in the closed-circuit television network, has therefore reached being connected of closed-circuit television net and computer network.
3, a kind of remote-controlled audio-visual education program player system according to claim 1 is characterized in that: described teaching receipts are broadcast control station and are electrically connected with special-purpose modulation equipment.
4, a kind of remote-controlled audio-visual education program player system according to claim 1 is characterized in that: described center receipts are broadcast control station, and it comprises that modulation modules, mixing amplification module, special-purpose modulation equipment, universal turning bench controller, monitor are formed frequently for Central Control Module, video playing device, several pouring; Central Control Module receives the control signal that transmits from control line, handle by analysis, be connected with the control line of infrared light-emitting diode by an end, infrared light-emitting diode can be close on the infrared ray receive window of audio-video playback equipment, with wireless mode control video playing device; The audio-video signal of audio amplifier playing device output to adjacent modulation module frequently, treated is transferred to the mixing amplification module by holding wire by signal wire transmits again, and the output by the mixing amplification module is transported in the closed-circuit television network then; Central Control Module receive teaching receive broadcast the control signal that control station sends in, the center is received the special-purpose modulation equipment broadcast in the control station and also can be received from receiving in the classroom of coming of pilot signal transmission line and broadcast the signal that sends with its corresponding special-purpose modulation equipment the control station, receives monitor and the adjacent modulation module of broadcasting in the control station frequently to the center by signal wire transmits again; The control signal that the universal turning bench controller sends, be transferred to the center by control line and receive the special-purpose modulation equipment of broadcasting in the control station, treatedly be transferred to corresponding with it classroom by coaxial cable and receive and broadcast on the special-purpose modulation equipment of control station, with the motion of control universal turning bench.
5, a kind of remote-controlled audio-visual education program player system according to claim 2 is characterized in that:
Described classroom is received and is broadcast control station and office and receive and broadcast control station and all can be electrically connected remote controller, it is received the Central Control Module of broadcasting control station by control line and center and is electrically connected, the infrared control signal that is used for controlling audio-visual playback equipment of other end receiving infrared-ray remote controller emission.
6, a kind of remote-controlled audio-visual education program player system according to claim 2 is characterized in that: described classroom is received and is broadcast control station and office and receive and broadcast control station and can be electrically connected one or several dollying systems; In this system, the signal that is sent by camera, microphone is modulated on the pilot signal transmission line by special-purpose modulation equipment, signal conveys is received the special-purpose modulation equipment demodulation of broadcasting in the control station to the center, and audio-video signal is sent on monitor or the mixing amplification module, simultaneously the control signal of sending by the universal turning bench controller by special-purpose modulation equipment and pilot signal transmission line to universal turning bench, with the motion of control universal turning bench.
7, a kind of remote-controlled audio-visual education program player system according to claim 1 is characterized in that:
Described office receipts are broadcast the multimedia computer that multimedia computer is broadcast in the control station by the concentricity receipts of computer network winding thread in the control station and are electrically connected; Every multimedia computer all is connected with external TV box or built-in TV card simultaneously, and by external TV box or built-in TV card, multimedia computer and closed-circuit television network are electrically connected.
8, a kind of remote-controlled audio-visual education program player system according to claim 1 is characterized in that:
But the control signal that television set infra-red remote control equipment sends in the infrared receiver tube receiving center control room in the described Central Control Module, by analysis, after the processing, control signal output ends and control line by Central Control Module, be transported on the television set of each place to operate schools, thereby the television set in each classroom is divided into groups or divides grade's control.
9, a kind of remote-controlled audio-visual education program player system according to claim 1 is characterized in that:
Described Central Control Module is electrically connected with the holding wire of infrared light-emitting diode, infrared light-emitting diode can be close on the infrared ray receive window of audio-video playback equipment and multimedia computer, controls each audio-video playback equipment and multimedia computer.
10, a kind of remote-controlled audio-visual education program player system according to claim 5 is characterized in that:
Described infrared remote controller can be a kind of remote controller that has laser pointer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB991159489A CN1134953C (en) | 1999-03-18 | 1999-12-24 | Remote-controlled replay system for electronized education |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99115738 CN1230837A (en) | 1999-03-18 | 1999-03-18 | Remote-controlled audio-visual education program player system |
| CN99115738.9 | 1999-03-18 | ||
| CNB991159489A CN1134953C (en) | 1999-03-18 | 1999-12-24 | Remote-controlled replay system for electronized education |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1273478A CN1273478A (en) | 2000-11-15 |
| CN1134953C true CN1134953C (en) | 2004-01-14 |
Family
ID=25745062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB991159489A Expired - Fee Related CN1134953C (en) | 1999-03-18 | 1999-12-24 | Remote-controlled replay system for electronized education |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1134953C (en) |
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1999
- 1999-12-24 CN CNB991159489A patent/CN1134953C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1273478A (en) | 2000-11-15 |
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