CN1177144A - Multimedia net work teaching system - Google Patents
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- CN1177144A CN1177144A CN 96113421 CN96113421A CN1177144A CN 1177144 A CN1177144 A CN 1177144A CN 96113421 CN96113421 CN 96113421 CN 96113421 A CN96113421 A CN 96113421A CN 1177144 A CN1177144 A CN 1177144A
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Abstract
The present invention disclosed a kind of multimedin network teaching and studying system and operation method used in said system. There is no need of network serving deivce or network operation system for the network of said system. Said teaching and studying system consists of a teacher work station used as supervisor and instructor for said system, several students work stations, a network intenface used for transmission of instruction and a multi interface for transmitting audio and video data and material. The above memtioned each work station consists of a personal computer, a multi media transmission device, a network interface card and a control panel. The software of said teaching and studying system divides into teacher part and student part. The teacher work station must excute said two parts of softwork, but the student work station only needs to execute the software of student part.
Description
The invention relates to a kind of tutoring system that builds on the network, being meant does not especially need to set up server on this network, can transmit the tutoring system of multimedia information, and can make the teacher control all actions of computer easily, to meet its teaching purpose.
The student can accept two-way teaching in the audiovisual classroom.Yet traditional audiovisual classroom is a closed system; That is this audiovisual classroom is that a size is fixing, and the system that is difficult to expand, and it is the same with even just increase a workstation, let alone can increase more function.Even to this day, " multimedia " becomes a quite important and popular theme in the pc world, and tutoring system is from not breaking away from this trend.
Present trend is for to set up a tutoring system on network, this network also comprises many PC (Personal; Computer, PC), one or more webserver (Network Server) and a network operating system (Network Operating System, NOS) or the like.One teacher can issue orders in a PC (Commands), in order to the PC of control students, or transmits audio frequency and video (Audioand Video) information is given the student.
A puzzlement that often takes place in teaching is for should there be software (Application, AP) conflict between (Conflict), make this teacher can't utilize keyboard (Keyboard) input of PC sometimes, use the defined function of this tutoring system, it has been other application software that reason is this input, but not this tutoring system is tackled.Be the problem of avoiding conflicting between AP, this teacher must withdraw from present employed AP earlier, carry out this tutoring system once more after, just issue orders to student's PC.For the teacher, the inconvenience that this mode of operation is suitable.
Fundamental purpose of the present invention is people teacher in multimedia net work teaching system, when input command and transmission audio frequency and video information, can operate and control this tutoring system more efficiently.
Another object of the present invention is to set up in the multimedia net work teaching system, without any need for server, and expand this tutoring system and also belong to easy thing.
Purpose further of the present invention is this multimedia net work teaching system, one elasticity can be provided between the workstation role swap, make the teacher between workstation, to switch, as long as unload (Unload), and re-execute specific software in the purpose workstation and get final product in previous workstation.
Multimedia net work teaching system of the present invention, on hardware structure, comprise a few thing station, every workstation comprises a PC (PC), a network face card (Nework Interface Card, be called for short it with " NIC ") backward, and a multimedia transmission device (Muitimedia transmitter), in order to transmission audio frequency and video (Audio and video) information; The network connections interface is connected between the above-mentioned workstation, in order to the transmission order that teacher or student imported; Multimedia links interface, also is connected between the above-mentioned workstation, in order to transmission audio frequency and video information.
Software is partly real to be emphasis of the present invention place, and it has controlled the everything (such as broadcasting, talk with, the teacher being asked a question or the like) of this multimedia net work teaching system.Basically, this software can be divided into two parts: student's part and teacher's part.The software that student's part only need be carried out in the student work station gets final product, but two-part software must be carried out in the teaching job station.
Preferred embodiment of the present invention will be aided with following accompanying drawing and do more detailed elaboration in comment backward:
Fig. 1 has been described in the hardware structure figure of multimedia net work teaching system of the present invention;
Fig. 2 shows the employed teacher's control panel in teaching job station (Control Panel);
Fig. 3 A has described above-mentioned teaching job station selftest and has confirmed to wait the process flow diagram that moves with question;
The explanation of Fig. 3 B hookup 3A;
Fig. 4 A is a process flow diagram, and the action of multimedia transmission device interrupt routine is described, in the teaching job station, and the transmission of multimedia transmission device and PC and the situation that receives information;
The explanation of Fig. 4 B hookup 4A;
The operational flowchart of Fig. 5 A explanation serge sound and led state interrupt routine (Beep and LED State Interrupt Pro-cedure);
The explanation of Fig. 5 B hookup 5A;
Fig. 6 A is a process flow diagram, describes the operational flowchart of sequential interrupt routine (Timing Interrupt Procedure);
The explanation of Fig. 6 B hookup 6A;
Fig. 7 A describes the operation workflow figure that receives interrupt routine (Receiving Interrupt Procedure);
The explanation of Fig. 7 B hookup 7A;
Fig. 8 A is the operational flowchart of system break program (System Interrupt Procedure);
The explanation of Fig. 8 B hookup 8A;
The operation workflow figure of Fig. 9 A explanation Genius mouse interrupt routine (Mouse Interrupt Procedure); And
The explanation of Fig. 9 B hookup 9A.
Preferred embodiment of the present invention will be in after this setting forth.
Fig. 1 is described to be the hardware structure figure of multimedia education system (backward being called for short it with " tutoring system ") proposed by the invention.Comprise 4 elementary cells in this framework; One teaching job station 11, a student work station 12, a network interface 13 and a multimedia interface 14.This teaching job station 11 is connected with above-mentioned student work station 12, and transmits command signal and multi-media signal respectively by above-mentioned network interface 13 and multimedia interface 14.This network interface 13 is followed ether (Ethernet) network standard that widely uses; Above-mentioned multimedia interface then is a simulation interface, in order to transmit audio frequency and vision signal.
Conspicuous, comprise many student works station 12 in this tutoring system, but teaching job station 11 has only one.Moreover, this network interface 13 also only needs known IPX (Internet Packet eXchange), NDIS (Network Driver Interface Specification) or package to drive (Packet Driver) standard, can be at teaching job station 11, and transmit the order message between the student work station 12.The relevant personnel that know this technology know that all (Open Sys-tem Interconnection OSI) in the standard, is positioned at the position than lower floor in the open network binding for IPX, NDIS, Packet Driver; So in the tutoring system proposed by the invention, just no longer need the webserver (Server) or network operating system (Network Oper-ating system, NOS).In addition, the NICs (such as TE-2000) of any support IPX, NDIS or Packet Driver all can be inserted in this tutoring system, becomes the part of this system.
The elementary cell at above-mentioned teaching job station 11 has: a network interface card (NIC) 111, a PC (PC) 112, teacher's control panel 113 and a multimedia transmission device 114.This teaching job station 11 also comprises some inner interfaces; Circuit 115 is connected to PC112 with above-mentioned teacher's control panel 1l3, and this circuit is also followed rs-232 standard; Circuit 116 is connected between PC112 and the multimedia transmission device 114; Circuit 117 provides the binding between above-mentioned PC112 and NIC114; And circuit 118 is connected to multimedia transmission device 114 with above-mentioned teacher's control panel 113.
Above-mentioned student work station 11 is also similar to the teaching job station, and its elementary cell has: a NIC121, a PC122, student's control enclosure 123 and a multimedia transmission device 124.This student work station 11 also comprises some inner interfaces: circuit 125 is connected to multimedia transmission device 124 with above-mentioned student's control enclosure 123; Circuit 126 is connected between PC122 and the multimedia transmission device 124; And a circuit 127 provides the binding between above-mentioned PC122 and NIC124.
Communication between teacher's control panel 113 and the multimedia transmission device 114 must be finished via circuit 115 and 118.The order that this multimedia transmission device 114 is understood from teacher's control panel 113, and send into PC112 and do further processing; Circuit 116 transmits audio frequency and vision signal between PC112 and multimedia transmission device 114; Circuit 117 transmits command signal between PC112 and NIC111.Circuit 116 and 117 can be the internal bus (Bus) of PC112, because above-mentioned NIC111 and multimedia transmission device 114 all can be inserted on the slot (S1ot) of PC112.
Equally, the communication between student's control enclosure 123 and the multimedia transmission device 124 must be reached via circuit 125.The order that this multimedia transmission device 124 is understood from student's control enclosure 123, and send into PC122 and do further processing; Circuit 126 transmits audio frequency and vision signal between PC122 and multimedia transmission device 124; Circuit 127 transmits command signal between PC122 and NIC121.Circuit 126 and 127 also can be the internal bus (Bus) of PC122, because above-mentioned NIC121 and multimedia transmission device 124 all can be inserted on the slot (Slot) of PC 112.
Fig. 2 has described the outside drawing of teacher's control panel 113, and this teacher's control panel 113 can be divided into three parts again.First is an audio frequency control module 201, the operation of this unit controls audio frequency information, and such as the audio frequency input, the volume control of microphone (Microphone) and loudspeaker (Speaker); Second portion is student's communication unit 202, this unit shows present student's state, for example: when a student when the teacher asks a question, the student work station that this student is occupied, promptly can light with corresponding cresset on this student's communication unit, in order to this student's of prompting teacher place; Third part is a teaching control module 203, and all actions relevant with teaching are controlled in this unit, such as the operation of dialogue of broadcasting, transmitting audio frequency and video information and adding student to all students or the like.
Have any to must be noted that teaching job station 11 is identical with the basic framework at student work station 12, unique between the two difference is the difference of control panel.Student's control enclosure 123 only comprises the audio frequency control module 201 in teacher's control panel 113, controls (such as adjustment of earpiece volume or the like) in order to the audio frequency information of controlling its workstation; And a call button, in order to ask a question to the teacher.So when serving as a teacher desire the teaching job station being moved to other workstations, the control panel of workstation also must change simultaneously.
Multimedia net work teaching system proposed by the invention, its software section can be divided into two parts; Teacher's part and student's part.Fig. 3 A, 3B, 4A, 4B, 5A, described the main software program (Procedure) of teacher's part, Fig. 6 A, 6B, 7A, 7B, 8A, 8B, 9A, then described the main software program of student's part with 9B with 5B.The teaching job station must be carried out the software program of teacher and student part simultaneously, but the student work station only need be carried out the program of student's part and got final product.This differentiation provides the elasticity of above-mentioned tutoring system on the workstation role swap.For example a teacher wants its workstation is moved to certain student's next door, he can unload the software program of teacher's part on original teaching job station, and the program of carrying out teacher's part on its workstation of wanting gets final product (certainly, teacher's control panel and student's control enclosure need exchange).
Fig. 3 A and 3B do an explanation to the main operation at teacher's triple-cropping station.It comprises the selftest at teaching job station, and whether check has steps such as the student asks a question.In the power supply that all actions start from the teaching job station is opened (step 301).At first, this its inner working storage (step 302) of teaching job station initialization (Initialize) is then carried out the action (step 303) of selftest.If make a mistake in selftest, or have any key (Key) to be pressed (step 305) this moment, this tutoring system will be sent serge sound, or demonstrate some error messages (step 304).So whole tutoring system stops action (step 306).
If selftest normal termination, this tutoring system then will check whether the student is arranged on line, or having the student to ask a question (via label B to step 307) to the teacher, this action can be finished by cloth woods (Boolean) the kenel sign (Flag) of test one " problem (Question-on-line) is on line arranged ".If should " problem being arranged on line " be masked as true (True), expression has the student to ask a question to the teacher, and whether the buffer zone (Buffer) that this tutoring system will detect teacher's control panel empty (Empty) (step 308).If this buffer zone is empty, it is (step 309) that is allowed to that expression transmits action; This tutoring system is at first set up " forbidding (Prohibition) " sign of a cloth crop type attitude, to stop the generation of other transmission action.Real transmission action is just then carried out, and will answer by the teaching job station and deliver in the student work station, should be reset to vacation (False) at last by " problem being arranged on line " sign.
The teacher answers student's problem (step 313) by pressing button on teacher's chain of command.If there is any key to be pressed in this situation, the typical value of this button will be read out, and set up cloth crop type attitude " button is pressed (Key-is-pressed) " be masked as true (step 315); This tutoring system is then later checked the problem (via label A to step 307) on line whether other are arranged.If pressed by the teacher without any button, it is 50 milliseconds (millisecond) that this tutoring system is set up the time of timer (Timer), in order to wait teacher's answer (step 314).Whole tutoring system is then later checked the problem (via label A to step 307) on line whether other are arranged.
If the selftest normal termination, and without any problem on line, this tutoring system will check " button is pressed " sign state (step 310).If this is masked as very, meaning is the problem that the teacher has answered the student; Certainly, this tutoring system must check earlier that it is not empty (step 311) that the buffer zone of teacher's control panel makes, if this buffer zone is empty, meaning is promptly transmitted action and is allowed to.At first, this tutoring system will be set up " forbidding " sign, to forbid the carrying out of other transmission actions; Real transmission action is then just carried out, and will answer by the teaching job station and be sent to the student work station, and " problem being arranged on line " sign is established as vacation after transmission finishes." button is pressed " sign also is reset to vacation (step 312) subsequently.Otherwise if should " problem being arranged on line " be masked as vacation, tutoring system will detect the teacher again and whether press other buttons (step 313).
The performed function of multimedia transmission device interrupt routine of Fig. 4 A and 4B explanation, it is described in the multimedia transmission device, receives and the operational scenario that transmits.In this multimedia transmission device running back (step 401), this multimedia transmission device must check that the information that is positioned at its buffer zone will be for will spread out of or recipient's (step 402), this step can indicate via " transmission is interrupted " of test cloth crop type attitude, and " receive and interrupt " sign is finished.If the information of this buffer zone is for sender (that is above-mentioned " transmission is interrupted " is masked as true), this multimedia transmission device is reseted earlier and should " transmission interruption " be masked as vacation (via label C to step 403); The character that is sent out then is sent in the buffer zone of PC (step 404); In the real transport process, this PC must check whether whole transport process finishes (step 405).If not, then above-mentioned multimedia transmission device will continue the action (step 404) of transmission; If all characters of PC buffer zone are sent all, teacher's control panel will be set one " allowing to transmit " sign, inform the whole PC buffer zone of tutoring system empty (step 406).This multimedia transmission device then returns, to wait next the reception or the state of transmission (via label D to step 416).
If the information at the control panel buffer zone is about to recipient's (that is above-mentioned " receive and interrupt " is masked as true), mean that this control panel receives an order from PC (no matter being from teacher or student).This control panel is at first reseted " receive and interrupt " and is masked as vacation (test 407), then explains the meaning of this order; So far, the meaning that receives order is understood (step 408) by this control panel; Next, this control panel is carried out the task of this order appointment.If the value of this order is 0, then setting display mode (step 41O); If the value of this order is 1, then set serge sound pattern (step 411); If the value of this order is 2, then set question pattern (step 412); If the value of this order is 3, then set (On-line) pattern (step 413) of reaching the standard grade; If the value of this order is 6, then set (Off-line) pattern (step 414) that rolls off the production line; At last, if the value of this order is 10, then set supervision (Monitoring) pattern (step 415).After having set the specified pattern of this order, control panel returns to wait next the reception or the arrival (step 416) of transmission requirement.
Fig. 5 A and 5B have described a process flow diagram, a summary is done in operation to serge sound and led state interrupt routine (Beep andLEd-State Interrupt Procedure), serving as a teacher desire utilizes loudspeaker to send serge sound, or need call out this program when changing the state of LED (light emitting diode), and just can carry out this action during normally wrong generation.When this program is called out (step 501), " the sequential interruption " of cloth crop type attitude sign will be reset to vacation, and a counter is with add up one action (step 502) of execution.If the value of this counter equals 30, meaning is that the blink states of LED will be set at 30 * 50 milliseconds (step 503); The state of LED also will change that (even former LED then changes to bright for dark; Same, if LED was bright originally, then change to dark) (step 504); After the state of this LED is shown (step 506), counter is reseted back 0 (step 506) again.
If the stored value of said counting device is not 30, then tutoring system utilizes loudspeaker to send serge sound.Before sending serge sound, this tutoring system will detect one " serge sound " sign earlier, in order to learn whether send serge sound is allowed to (via label E to step 507).Whenever loudspeaker send a serge sound, the one serge sound counter that has the number of times that gurgles promptly subtracts one (step 508) automatically, loudspeaker send serge sound always, value until this counter that gurgles is that 0 side stops (step 509), simultaneously also stop this serge sound and led state interrupt routine (step 510), and be back to (step 511) in the original state.
Fig. 6 A and 6B utilize a process flow diagram, and the action of sequential interrupt routine (Timing Interrupt Proce-dure) is described.This routine processes is from actions such as the keyboard of the order of teacher's control panel, student's the order of reaching the standard grade, student's calling teacher (Call-teacher) order and the control controlled workstation of far-end (Rrmote controlledworkstations) and screen switchings, and on average promptly tutoring system sent an interrupt request in per 18.2 seconds.
After the sequential interrupt routine is carried out (step 601), will check whether the teacher has issued orders on line (step 602).If it is true, the expression teacher wishes to obtain the control of tutoring system, this system will control all orders (step 603) from teacher's control panel, and set up tendency to develop to send the destination address (step 607) of message package, can utilize this address to point out the position at each student work station.Handle (situation of avoiding repeating to enter takes place) under (Hi-class Keyboard Process) situation (via label F to step 608) if tutoring system is in the high-order keyboard, this sequential interrupt routine will finish all work and be back to original state (step 611).
If not being in the high-order keyboard, tutoring system do not handle down, and be at present in the control model, the button that all teachers press will be sent to (may be to stop (Break), broadcasting (Broad-cast), observation (Observe) or other action) (step 609) on all controlled workstations.Keyboard interrupt also allows to take place at this moment (step 612), and the value of this button will be stored, and has one to indicate in setting up at this moment, in order to handle the task of the appointment that pushes button.All controlled workstation screens also switch (step 610) with the order that the teacher assigned, and this sequential interrupt routine then returns original state (step 611).
If this sequential interrupt routine is measured an order from the student, package will be sent on one line, in order to tell teacher " I reached the standard grade (I am on line) " (step 604), whether this sequential stage casing program then checks, have the student to press " calling out the teacher " button (step 605) on student's control enclosure.If not, this program will be for desiring to send the packet setting destination address (step 607) of transmission; For example, must transmit package in the panel discussion to other members' workstation.Next, the high-order keyboard is handled detected once more (step 608), and this sequential interrupt routine is also followed aforementioned down execution in process flow diagram.
If there is the student to press " calling out the teacher " button, meaning i.e. this student is want the teacher is asked a question, this sequential interrupt routine will be sent a question package, in order to tell the teacher " I have problem will ask (I have a question) " (step 606), this program then is set at teaching job station (step 607) with destination address; Next, the high-order keyboard is handled detected once more (step 608), and this sequential interrupt routine is also followed aforementioned down execution in process flow diagram.
Fig. 7 A and 7B utilize a process flow diagram to be summed up at the action that receives interrupt routine, and this program receives from the order of network interface card (NIC) and with its in addition decipher.Other has relevant program to be received interrupt routine by this to call out, in order to carry out the specified task of this order.The handled function of this reception interrupt routine comprises: the competition of keyboard and Genius mouse (Emulation), screen switching, audio frequency and video switch, panel discussion member's setting, the registration of reaching the standard grade (On-line registration) and question notice (Question notifica-tion) or the like.
After the reception interrupt routine is performed (step 701), aforesaid function is carried out preparation at any time.If the order that receives is keyboard competition order (step 702), then should receive the task (step 703) that interrupt routine will be handled the keyboard competition; If the order that receives is Genius mouse competition order (step 704), then should receive the task (step 705) that interrupt routine will be handled the Genius mouse competition; If the order that receives is a video signal switching command (step 706), then this program will be carried out the task (step 707) that video signal is switched; If the order that receives is audio frequency switching command (via label G to step 708), then this program will be carried out the relevant item (via label H to step 709) of audio frequency switching; If the order that this reception interrupt routine is received is the registration command (step 710) of reaching the standard grade, the task (step 711) that this program is reached the standard grade processing to register; If this order that receives the interrupt routine reception is question notification command (step 712), this program will be carried out the task (step 713) that question is notified for the student of question; If the order that receives is a panel discussion setting command (step 714), this receives interrupt routine will handle the task (step 715) that panel discussion is set.Receive the task of order appointment in processing after, this reception interrupt routine will return (step 716) in the original state.
Fig. 8 A and 8B are a process flow diagram, are summed up at the action of system break program.This program provides the driver (Driver) of system's interface (System interface) to student's control enclosure, or gives the usefulness of tutoring system Internal call.Relevant program will be received interrupt routine by this and call out, in order to carry out the specified task of this order.
After the system break program is performed (step 801), aforesaid function is just prepared to carry out at any time.If the order that receives be the system calling order (step 802) from control panel, then this system break program is with the calling of processing controls panel feature or be sent to and wait buffer zone and carry out (step 803) to treat the sequential device; If the order that receives be the order (step 804) to system calling under the control panel, then this system break program will be called out the control panel function of being correlated with, in order to execution such as setting state, LED brightness, the action (step 805) of reseting control panel or the like; If the order that receives is the call command (via label 1 to step 806) to windows system (Windows), then this program will be carried out the competition task (via label J to step 807) of keyboard and Genius mouse with windows system; If the order that receives is Network Transmission order (step 808), then this program will be carried out the relevant item (step 809) that the network low order transmits; Call out (step 810) if the order that received of this system break program is an internal system, this program is the task of disposal system Internal call, for example installs/removes a driver, obtains system sign etc. (step 811).Receive the task of order appointment in processing after, this system break program will be returned (step 812) in the original state.
Fig. 9 A and 9B are summed up at the action of Genius mouse interrupt routine.This program mat transmits the mode of interrupting, in order to control the action of controlled workstation Genius mouse.
After the Genius mouse interrupt routine is performed (step 901), this program has just been controlled the action of all controlled workstation Genius mouses.If the order that receives is a Genius mouse position command (step 902); Then this Genius mouse interrupt routine will obtain the position (step 903) of Genius mouse; If the order that receives is for pressing mouse buttons order (step 904), then this Genius mouse interrupt routine will obtain the relevent information (step 905) that mouse buttons is depressed; If the order that receives is for decontroling mouse buttons order (step 906), then this program will be obtained the relevent information (907) that mouse buttons is decontroled; If the order that receives is Genius mouse movement directive (via label K to step 908), then this program will be obtained the relevent information that Genius mouse moves (via label L to step 909); If the order that this Genius mouse interrupt routine is received is a Genius mouse kenel (step 910), this program will be obtained the information (step 911) of Genius mouse form; If the order installation check order (step 912) that this Genius mouse interrupt routine is received, this program will be obtained the information (step 913) of installation.Receive the task of order appointment in processing after, this Genius mouse interrupt routine will return (step 914) in the original state.
The above is preferred embodiment of the present invention only, is not in order to limit claim of the present invention; Everyly do not break away from the equivalence finished under the disclosed spirit and change or modify, all should comprise within the scope of the following claims.
Claims (36)
1. a multimedia net work teaching system is characterized in that, this system comprises:
Instructional device receives the order from the teacher, in order to producing control signal and teacher's audio frequency and vision signal, and imports and requires signal and student's audio frequency and vision signal, is shown to this teacher in order to produce student's audio frequency and video information;
A plurality of student's devices receive the order from the student, in order to producing above-mentioned signal and the student's audible and visual signaling of requiring, and import this control signal and teacher's audio frequency and vision signal, are shown to this student in order to produce teacher's audio frequency and video information;
Network interface device is connected between above-mentioned instructional device and the student's device, in order to above-mentioned control signal is sent to student's device by above-mentioned instructional device, and the above-mentioned requirements signal is sent to instructional device by above-mentioned student's device; And
The multimedia interfare device, be connected between above-mentioned instructional device and the student's device, in order to above-mentioned teacher's audio frequency and vision signal are sent to student's device by above-mentioned instructional device, and above-mentioned student's audio frequency and vision signal are sent to instructional device by above-mentioned student's device.
2. system as claimed in claim 1 is characterized in that, wherein above-mentioned network interface device comprises an Ethernet.
3. system as claimed in claim 1 is characterized in that, wherein above-mentioned multimedia interfare device comprises a simulation interface.
4. system as claimed in claim 1 is characterized in that, wherein above-mentioned instructional device comprises:
One control panel is in order to receive the order from the teacher;
One workstation is imported the order of above-mentioned teacher input, and in order to producing above-mentioned control signal and teacher's audio frequency and vision signal, and input requires the specified task of signal from the signal that requires of above-mentioned student's device in order to handle this;
One network interface card, via above-mentioned network interface device, input above-mentioned requirements signal, and export above-mentioned control signal; And
One multimedia transmission device is imported above-mentioned student's audio frequency and vision signal, is shown to this teacher in order to produce above-mentioned student's audio frequency and video information, via above-mentioned multimedia interfare device, exports this teacher's audio frequency and vision signal.
5. system as claimed in claim 4 is characterized in that, wherein above-mentioned instructional device also comprises an inner multimedia interface, is connected between above-mentioned control panel and the multimedia transmission device.
6. system as claimed in claim 5 is characterized in that, wherein above-mentioned inner multimedia interface is followed rs-232 standard.
7. system as claimed in claim 4 is characterized in that wherein above-mentioned workstation also comprises a PC.
8. system as claimed in claim 4 is characterized in that, wherein above-mentioned control panel comprises:
One audio frequency control module is in order to the operation of control audio frequency information;
One student's communication unit is in order to show the present use situation of student; And
One teaching control module is in order to the operation of control teaching action.
9. system as claimed in claim 1 is characterized in that, wherein above-mentioned each student's device comprises:
One control panel is in order to receive the order from the student;
One workstation, import the order of above-mentioned student's input, in order to produce above-mentioned requirements signal and student's audio frequency and vision signal, and input is from control signal and the teacher's audio frequency and the vision signal of above-mentioned teacher's device, in order to handle this control signal and teacher's audio frequency and the specified task of vision signal;
One network interface card via an above-mentioned network face device, is imported above-mentioned control signal, and output above-mentioned requirements signal; And
One multimedia transmission device is imported above-mentioned teacher's audio frequency and vision signal, is shown to this student in order to produce above-mentioned teacher's audio frequency and video information, and via above-mentioned multimedia interfare device, exports this student's audio frequency and vision signal.
10. system as claimed in claim 9 is characterized in that, wherein above-mentioned student's device also comprises an inner multimedia interface, is connected between above-mentioned control panel and the multimedia transmission device.
11. the system as claim 10 is characterized in that, wherein above-mentioned inner multimedia interface is followed rs-232 standard.
12. system as claimed in claim 9 is characterized in that, wherein above-mentioned workstation also comprises a PC.
13. system as claimed in claim 9 is characterized in that, wherein above-mentioned control panel comprises:
One audio frequency control module is in order to the operation of control audio frequency information; And
One call button is in order to ask a question.
14. the method for operating in order to control teaching job station is characterized in that this method comprises the following step:
The initialization internal buffer;
The state at selftest teaching job station;
When selftest is undesired when stopping, demonstrating error messages or send serge sound;
Carry out teacher's software program; And
Carry out student's software program.
15. the method as claim 14 is characterized in that, wherein above-mentioned teacher's software program comprises the following step:
Carry out a question test procedure, in order to detect student's question situation;
Carry out a control panel interrupt routine, in order to transmit and to receive audio frequency and vision signal; And
Carry out serge sound and light emitting diode status routine, in order to the state that changes light emitting diode with send serge sound.
16. the method as claim 15 is characterized in that, wherein above-mentioned question test procedure comprises the following step:
Check the problem that whether has the student to send on the line;
Check the teacher whether fixed down order with as answering;
When this teacher is given should when answer, check whether transmit action is allowed to; And
Send this answer;
17. the method as claim 16 is characterized in that, the time interval of the given order of wherein above-mentioned teacher is 50 milliseconds.
18. the method as claim 15 is characterized in that, wherein above-mentioned control panel interrupt routine comprises the following step:
Input signal;
Checking that this input signal will be received maybe will be transmitted;
When this input signal will be transmitted, export this input signal to the destination;
When this input signal will be received, this input signal of decipher was multimedia instruction; And
Carry out the specified task of this multimedia instruction.
19. the method as claim 18 is characterized in that, wherein above-mentioned multimedia instruction is one of following modes: LED display mode, serge sound pattern, question pattern, last ray mode, following ray mode and supervision pattern.
20. the method as claim 15 is characterized in that, wherein above-mentioned sequential and serge sound path preface comprise the following step:
LED flash of light counter adds up one;
After this LED flash of light counter arrives a preset value, change the state of LED;
The state that shows LED;
When being allowed to, the action of sending serge sound sends serge sound;
Stop serge sound; And
Be back to original state.
21. the method as claim 20 is characterized in that, the preset value of wherein above-mentioned LED flash of light counter is 30.
22. the method as claim 14 is characterized in that, wherein above-mentioned student's software program comprises the following step:
Carry out a sequential interrupt routine, in order to handle order from teacher or student;
Carry out one and receive interrupt routine, in order to decipher and this order of execution;
Carry out a system break program, call out to driver in order to built-in system to be provided; And
Carry out a Genius mouse interrupt routine, in order to the Genius mouse action of control remote workstation.
23. the method as claim 22 is characterized in that, wherein above-mentioned sequential interrupt routine comprises the following step:
Detecting student or teacher requires to interrupt;
Serve as a teacher when requiring to interrupt, control all workstations;
When the student requires to interrupt, transmit the message of reaching the standard grade and give the teacher;
Transmit message and give controlled workstation; And
When being at present in the control model, control the screen of this controlled workstation.
24. the method as claim 23 is characterized in that, wherein when the controlled workstation screen of control, allows the generation of keyboard interrupt.
25. the method as claim 22 is characterized in that, wherein above-mentioned reception interrupt routine comprises the following step:
When receiving keyboard competition order, carry out the keyboard competition;
When receiving Genius mouse competition order, carry out the Genius mouse competition;
When the order of receiver, video hand-off process, carry out video switch and handle;
When receiving the order of audio frequency hand-off process, carry out the audio frequency hand-off process;
When registration command is reached the standard grade in reception, carry out the registration of reaching the standard grade;
When receiving the question notification command, carry out the task of question notice; And
When receiving the dialogue setting command, carry out the task that dialogue is set.
26. the method as claim 22 is characterized in that, wherein the said system interrupt routine comprises the following step:
When receiving a system calling order, carry out the function of control panel or wait sequential processing by control panel;
When a given system calling is given this control panel, the function of calling out control panel;
When receiving the calling of an operating system, call out the function of keyboard and Genius mouse competition;
When calling out, a Network Transmission sends information when receiving; And
When receiving internal system calling, call out built-in function.
27. the method as claim 26 is characterized in that, wherein the aforesaid operations system is a windows system.
28. the method as claim 22 is characterized in that, wherein above-mentioned Genius mouse interrupt routine comprises the following step:
When receiving a Genius mouse position command, obtain the Genius mouse position;
When reception one mouse buttons is depressed order, obtain Genius mouse and depress information;
When receiving mouse buttons relieving order, obtain the Genius mouse ejected position;
When receiving a Genius mouse movement directive, obtain the Genius mouse mobile informatiom;
When receiving a Genius mouse kenel order, obtain Genius mouse kenel information; And
When receiving an installation check order, obtain the installation information.
29. the method for operating in order to control student work station is characterized in that this method comprises the following step:
The initialization internal buffer;
The state at selftest teaching job station;
When selftest is undesired when stopping, demonstrating error messages or send serge sound; And
Carry out student's software program.
30. the method as claim 29 is characterized in that, wherein above-mentioned student's software program comprises the following step:
Carry out a sequential interrupt routine, in order to handle order from teacher or student;
Carry out one and receive interrupt routine, in order to decipher and this order of execution;
Carry out a system break program, call out to driver in order to built-in system to be provided; And
Carry out a Genius mouse interrupt routine, in order to the Genius mouse action of control remote workstation.
31. the method as claim 30 is characterized in that, wherein above-mentioned sequential interrupt routine comprises the following step:
Check that student or teacher require to interrupt;
Serve as a teacher when requiring to interrupt, control all workstations;
When the student requires to interrupt, transmit the message of reaching the standard grade and give the teacher; And
When being at present in the control model, control the screen of controlled workstation.
32. the method as claim 31 is characterized in that, wherein when the controlled workstation screen of control, allows the generation of keyboard interrupt.
33. the method as claim 30 is characterized in that, wherein above-mentioned reception interrupt routine comprises the following step:
When receiving keyboard competition order, carry out the keyboard competition;
When receiving Genius mouse competition order, carry out the Genius mouse competition;
When the order of receiver, video hand-off process, carry out video switch and handle;
When receiving the order of audio frequency hand-off process, carry out the audio frequency hand-off process;
When registration command is reached the standard grade in reception, carry out the registration of reaching the standard grade;
When receiving the question notification command, carry out the task of question notice; And
When receiving the dialogue setting command, carry out the task that dialogue is set.
34. the method as claim 30 is characterized in that, wherein the said system interrupt routine comprises the following step:
When receiving a system calling order, carry out the function of control panel or wait sequential processing by control panel;
When a given system calling is given this control panel, the function of calling out control panel;
When receiving the calling of an operating system, call out the function of keyboard and Genius mouse competition;
When calling out, a Network Transmission sends information when receiving; And
When receiving an internal system and cry, the calling built-in function.
35. the method as claim 34 is characterized in that, wherein the aforesaid operations system is a windows system.
36. the method as claim 30 is characterized in that, wherein above-mentioned Genius mouse interrupt routine comprises the following step:
When receiving a Genius mouse position command, obtain the Genius mouse position;
When reception one mouse buttons is depressed order, obtain Genius mouse and depress information;
When receiving mouse buttons relieving order, obtain the Genius mouse ejected position;
When receiving a Genius mouse movement directive, obtain the Genius mouse mobile informatiom;
When receiving a Genius mouse kenel order, obtain Genius mouse kenel information; And
When receiving an installation check order, obtain the installation information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96113421 CN1177144A (en) | 1996-09-13 | 1996-09-13 | Multimedia net work teaching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96113421 CN1177144A (en) | 1996-09-13 | 1996-09-13 | Multimedia net work teaching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1177144A true CN1177144A (en) | 1998-03-25 |
Family
ID=5121843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96113421 Pending CN1177144A (en) | 1996-09-13 | 1996-09-13 | Multimedia net work teaching system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1177144A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007041968A1 (en) * | 2005-10-13 | 2007-04-19 | Kit King Kitty Hau | Computer-aided method and system for guided teaching and learning |
| CN100362796C (en) * | 2005-11-18 | 2008-01-16 | 宁波大学 | Interactive network voice broadcasting system |
| CN100413338C (en) * | 2002-01-17 | 2008-08-20 | 钱涵清 | Multimedia teaching video network system |
| CN101030334B (en) * | 2006-02-28 | 2010-12-08 | 雅马哈株式会社 | Collectivity music teaching system and music network system |
-
1996
- 1996-09-13 CN CN 96113421 patent/CN1177144A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100413338C (en) * | 2002-01-17 | 2008-08-20 | 钱涵清 | Multimedia teaching video network system |
| WO2007041968A1 (en) * | 2005-10-13 | 2007-04-19 | Kit King Kitty Hau | Computer-aided method and system for guided teaching and learning |
| GB2446325A (en) * | 2005-10-13 | 2008-08-06 | Kit King Kitty Hau | Computer-aided method and system for guided teaching and learning |
| CN100362796C (en) * | 2005-11-18 | 2008-01-16 | 宁波大学 | Interactive network voice broadcasting system |
| CN101030334B (en) * | 2006-02-28 | 2010-12-08 | 雅马哈株式会社 | Collectivity music teaching system and music network system |
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