CN2349618Y - Radio remote controlled speech sound teaching apparatus - Google Patents

Abstract

The utility model provides a radio remote controlled speech sound teaching apparatus for electric audio-visual teaching, which is composed of a main controlling table and a plurality of studying machines, wherein, the main controlling table is composed of at least one program signal transmitting circuit, a remote controlled signal transmitting circuit, a receiving circuit and a function switching circuit. The studying machine comprises at least one program signal reception circuit, a remote controlled signal receiving circuit and a calling signal transmitting circuit. The apparatus adopts wireless transmission and receiving manner to realize the bidirectional transmission of program information and controlling information between the main controlling table for a teacher and the studying machines for students. The apparatus overcomes the defect that wired speech sound teaching apparatus require special-purpose classrooms and a good deal of wiring, etc. The apparatus can organize speech sound teaching for electric audio-visual teaching conveniently, and the apparatus is convenient for popularization and application.

Description

Wireless remote control phonetic teaching device

The utility model relates to wireless transmit and reception, mainly refers to a kind of voice electronic teaching that is used for, and realizes the wireless remote control phonetic teaching device of bi-directional transmission of information between teacher and student.

Existing electrochemical phonetic teaching device, its main a kind of be the cable voice tutoring system, it need be provided with special-purpose electrochemical voice classroom, arranges special-purpose desk, arrange and play electric wire in large quantities and need alternating current etc., thereby, cost height, maintenance inconvenience, and the number of students of giving lessons restricted (being generally 48-64 people) is unfavorable for penetration and promotion.Other has a kind of simple type wireless speech tutoring system, and it can only the one-way transmission signal, and the student can only listen to, can not two-way call and transmit other control signal, and function singleness does not reach electrochemical phonetic teaching purpose.

The goal of the invention of the utility model is to provide a kind of multifunction wireless remote control phonetic teaching device, realizes double-direction radio transmission between teacher's master station and student's learning machine, overcomes and remedied the deficiency of prior art.

For reaching above-mentioned purpose, the technical scheme that is adopted is: this wireless remote control phonetic teaching device, comprise teacher's master station and student's learning machine two parts, adopt wireless transmit and receive mode to transmit information, master station has four partial circuits, wherein only lacks a programs signal transmission circuit, a cover remote signal radiating circuit, a cover reception circuit, a cover function conversion circuit; Learning machine has three partial circuits, wherein only lacks a programs signal receiving circuit, a cover remote signal receiving circuit, a cover call signal radiating circuit.

Said apparatus, can realize transmitted in both directions program and control information between master station and learning machine, by master station remote control control learning machine, call out master station by learning machine and realize call request, need not special-purpose audio-visual classroom, remove a large amount of wirings from, the number of giving lessons is unrestricted, can realize electrochemical phonetic teaching easily.

Description of drawings:

Fig. 1, the utility model electricity theory diagram

Fig. 2, the utility model master station electricity theory diagram

Fig. 3, the utility model master station electricity principle sketch

Fig. 4, the utility model are learnt dynamo-electric theory diagram

Fig. 5, the utility model study electro-mechanical principle sketch

Embodiment below in conjunction with accompanying drawing provides is described further as follows to the utility model:

The utility model comprises a master station as shown in Figure 1 and Figure 2, comprises a plurality of learning machines as shown in Figure 3, Figure 4, learning machine of each student.Master station only has a programs signal transmission circuit less, and learning machine only has a programs signal receiving device less.The present embodiment master station comprises that a programs signal transmission circuit, a cover remote signal radiating circuit, a cover receive a circuit and a function conversion circuit; Programme signal (comprising that teacher chips in) radiating circuit, by source of sound (5) (comprising recording, CD, TV sound accompaniment) through automatic gain control circuit (2), launch by first channel to radiating circuit (1), teacher chips in by microphone S through amplifying circuit (4), automatic gain control circuit (2), launched by first channel to radiating circuit (1), between amplifying circuit (4) and gain control circuit (2), can insert the one-level circuit (3) (male voice becomes female voice, or female voice becomes male voice etc.) of changing voice; The remote signal radiating circuit, produce the telecommand coding by coding circuit (7), launch through radiating circuit (6) again, present embodiment adopts double audio coding, it is made up of double audio coding integrated circuit (IC) 1, dialing keyboard, LCD LCD, the keypad arabic numeral can be formed student's code, as being exactly to launch student's code No. 01 by 01.The utility model has prohibit to be listened, prohibits and send out, remove distant control function, and they are #, *, C key on the corresponding keyboard respectively, by these keys, promptly launches the remote-controlled learning machine of relevant code, achieves to prohibit and listens, prohibits and send out or remove function (back is described in detail); Receiving circuit comprises receiving circuit (9), output to amplifying circuit (10), output to earphone (if student conversation) to decoding display circuit (11) show Calls student number (if call signal) or by amplifying circuit again, decoding display circuit (11) is by double-tone decoder ic IC2 and represent ten, the display of units sign indicating number to constitute frequently; Function conversion circuit (8) comprises button and relevant electronic switch, and button AN1 represents " all ", and AN2 represents " individually ", they and electronic switch S4 constitute interlock circuit, the break-make of its output control electronic switch S1, S2, as press AN2 (individually), S4 self-locking, its B end of phase inverter F is noble potential, the A end makes the S2 conducting for electronegative potential, and S1 ends, teacher's speech is just launched by second channel by S2 → radiating circuit (6), and indivedual students are received; As press AN1 (all), and the S4 release, then S1 conducting, S2 ends, just teacher's speech is launched by first channel by S1 → radiating circuit (1), listens to for the school.

The present embodiment learning machine has a programs signal receiving circuit, a cover remote signal receiving circuit, a cover call signal radiating circuit; The programme signal receiving circuit receives master station first channel signals, and it comprises receiving circuit (12) and amplifying circuit (13), to earphone EJ; Remote signal receives phone, receive master station second channel signals, it comprises the receiving circuit (14) that connects successively, amplifying circuit (15), double-tone is decoding scheme (16) and executive circuit (17) frequently, executive circuit comprises by four trigger flip-flop IC4, IC5, IC6, the pulsing circuit that IC7 constitutes, D4, D5, anti-error decoding scheme and electronic switch S6 that R4 constitutes, S7, the execution unit that S8 constitutes, row's lead-out terminal of code translator IC3 connects corresponding trigger pulse input end, meet trigger IC4 by two among the lead-out terminal 0-9, the pulse input end C4 of IC5, C5, as No. 01 student is the C4 that 0 terminal is met IC4,1 terminal meets the C5 of IC5,02 student then is the C4 that meets IC4 with 0,2 meet the C5 of IC5, each student's connection differs from one another, and terminal 11,12,13 connection, each student is identical, the C of their corresponding master station encoded keyboards, #, * font size key, has removing, prohibit and listen, prohibit and send out function, each student removes two code terminals and receives C4, outside the C5, all the other 8 terminals are received on row's diode, the 0 end R4 that puts of the public termination IC4 of diode (is isolated by isolating diode D3, only make IC4 put 0), D4, D5, what R4 constituted meets Q4 respectively with door, C5 (another termination of D5 student code name position terminal) and noble potential VCC, constitute anti-error decoding scheme, accompanying drawing 4 is No. 01 student's learning machine connection, when 0 end has output, during noble potential, the IC4 upset, Q4 exports noble potential, the d5 noble potential of IC5, this moment 1 end no-output, be electronegative potential, C5 is clamped in electronegative potential, the IC5 state is constant, when 1 end has output, C5 is a noble potential, the IC5 upset, Q5 exports noble potential, export clear 0 pulse, make IC6, clear 0 (the resetting) of IC7, make S7, the S8 conducting, making No. 01 student remove to prohibit listens, prohibit and send out, terminal except that No. 0 No. 1 is held, when if output is arranged (teacher may press several students' code continuously),, goes up other terminal (shown in the empty frame of Fig. 4) because of all being connected on diode 2-9, then make IC4 clear 0, thereby guaranteed that IC5 does not overturn, so teacher is during by the code beyond No. 01, must not mistranslate sign indicating number upset again No. 01; The learning machine radiating circuit, mainly be when teacher sends enquirement or call request, to be used to launch ringing number (the student's code name of oneself, as No. 01), it produces circuit (20) by call signal, coding circuit (19), radiating circuit (18) constitutes, launch as the 3rd transmitting channel, call signal produces the latching circuit that circuit (20) has call button AN and S9 to constitute, be F1, F2, R6, R7, pulse producer (oscillatory circuit) energized that C2 constitutes, make it produce pulse signal, when the IC8 counting circuit receives first pulse, the electronic switch S11 of corresponding ten codes has the control signal conducting

When second pulse input, corresponding to the electronic switch S12 of individual position code control signal is arranged, this is equivalent to by No. 0 No. 1 keyboard (is example with 01), through double audio coding integrated circuit (IC) 9, export No. 01 code, launch through radiating circuit (18), when the 3rd pulse of counter comes, the D6 that connects the integrated IC circuit 8 of counter has noble potential output, makes the S10 conducting, makes the S9 release, pulse producer is quit work, said process promptly clicks the AN button, promptly exportable oneself two codes.

The utility model in use, teacher is according to the needs of giving lessons, and can send to prohibit and listen, prohibits and send out, remove remote signal, and student's reception and emission are controlled by teacher's remote control.When just giving lessons, master station, learning machine opening power, teacher can press to prohibit and listen, prohibits and send out key, at this moment, the school all forbids listening to second channel, forbid sending out call signal to teacher, only allow to listen to the first channel program signal, be a teacher when pressing clear key, the state of sending out releasing is listened, prohibited to school's taboo, and the student just can send calling code to teacher, and teacher uses " individually ", " all " shift keys, can realize and indivedual students or all conversations the several main running program processes of following brief introduction:

Give lessons and play a record, teacher listens (#) by prohibiting, prohibit and send out (*) key, this control routine is by second channel, radiating circuit (6) emission, the school receives by the remote signal receiving circuit, 12 of decoding scheme IC3,13 output terminals have high level output, make IC6, the IC7 upset, Q6, Q7 has low level output, and Q6 is high level output, be E, the D end is low level, make electronic switch S7, S8 ends, and F is a high level, makes the S6 conducting, make all students can not listen to the second transmitting channel signal, can not launch call signal, can only listen to the first transmitting channel signal, promptly listen to the educational programme signal.

Allow student question, conversation, teacher presses clear key (C key), and 11 ends of the decoding scheme IC3 of learning machine have noble potential output, export clear O reset pulse, make the clear O of each trigger, the Q6 output low level, Q6, Q7 export high level, S6 is ended, and S7, S8 conducting are prohibited all students and are listened, prohibit to send out and remove, the student just can call out, can listen to second channel signals, first channel is decayed through R3, becomes off beat to listen to.

The student calls out, pressing clear key teacher allows under the enquirement situation, the student presses the AN call button, by radiating circuit the code (student's number) of oneself is launched, master station receives and show student's number on the decoding display circuit, and teacher knows that this student asks conversation, for avoiding the bid confusion, teacher listens by prohibiting earlier, prohibit and send out key, allow the school prohibit and listen, prohibit and send out, again by this student's code key, the Q5 output high level of this its executive circuit of student's learning machine IC5, through R8, the C1 differentiating circuit makes the clear O of trigger, this student is prohibited listen, prohibit to send out and remove, teacher is again by " individually " key, just set up " individually " passage with this student, can realize intercommunication, conversation.

Teacher desires and certain student's conversation, listen by prohibiting earlier, prohibit and send out a key, again by certain student's number button, again by " individually " key, can with certain student's intercommunication, conversation.Teacher also can notify one group of student's intercommunication, conversation simultaneously.

Allow certain student do demonstration, teacher is correct as finding certain student's voice, can do demonstration and read to say, can be by clear key, again by " demonstration " key, i.e. AN3 key, make the S3 conducting, allow certain student read to say, teacher receives this student signal, again by S3 through radiating circuit (6), launch by second channel, allow the school listen to, play an exemplary role, demonstration finishes, and can remove " demonstration " by the AN4 key.

This device, its master station can be made into portable casing, and learning machine can be made into the pocket box body, in any classroom, all can realize electrochemical phonetic teaching, as long as emissive power is enough big, number of student can be up to a hundred thousands of.

That this device master station, learning machine are changed is infrared, ultrasonic launching head and reception head, under the constant substantially situation of main body circuit, can repack infrared remote control phonetic teaching device into, or ultrasonic remote control phonetic teaching device.

Claims (6)

1, a kind ofly is suitable for the wireless remote control phonetic teaching device that electronic teaching is used, the master station that comprises the usefulness of giving lessons, the learning machine of a plurality of study usefulness, it is characterized in that, master station comprises four partial circuits: only lack a cover for sending the radiating circuit that programme signal is used, the main remote signal radiating circuit for the usefulness that transmits control signal of a cover, a cover receive that the student calls out, the receiving circuit of conversation usefulness, and function conversion circuit; Learning machine comprises three partial circuits, only lacks a cover and receives that receiving circuit, a cover that programme signal uses are main to be received remote signal receiving circuit, the cover that remote signal uses and send the radiating circuit that call signal is used to master station.

2, according to the described wireless remote control phonetic teaching of claim 1 device, it is characterized in that, master station programme signal radiating circuit, by source of sound (5) or microphone S, low-frequency amplifier circuit (4), automatically increase cover control circuit (2), radiating circuit (1) is connected in sequence; Master station remote signal radiating circuit is by the coding circuit (7) that produces the remote control coding signal, exports radiating circuit (6) formation to; The master station receiving circuit is by high frequency receiving circuit (9), through amplifying circuit (10), to decoding display circuit (11) or earphone formation; Master station function conversion circuit (8) comprises the interlock circuit that button AN1, AN2 and electronic switch S4 constitute, the interlock circuit of AN3, AN4 and electronic switch S5 formation and be subjected to electronic switch S1, S2, the S3 of its control;

Learning machine programme signal receiving circuit comprises high frequency receiving circuit (12), connects effect circuit (13); Learning machine remote signal receiving circuit is connected in sequence by high frequency receiving circuit (14), amplifying circuit (15), decoding scheme (16), executive circuit (17); Learning machine call signal radiating circuit is produced circuit (20), exports coding circuit (19) to, formed to radiating circuit (18) by call signal.

3, according to the described novel radio remote control of claim 1 phonetic teaching device, it is characterized in that the coding circuit of master station, learning machine (7), (19) are the double audio coding circuit; The decoding scheme of master station, learning machine (11), (16) are double-tone decoding scheme frequently.

4, according to the described novel radio remote control of claim 1 phonetic teaching device, it is characterized in that, learning machine executive circuit (17), constitute pulsing circuit by trigger flip-flop IC4, IC5, IC6, IC7, with the output of decoding scheme (16) as its trigger pulse, with the output Q7 of output Q6, the Q6 of IC6 and IC7 as control signal, control respective electronic switch S 6, S7, S8.

5, according to the described novel radio remote control of claim 1 phonetic teaching device, it is characterized in that, the learning machine call signal produces circuit (20), the latching circuit that is made of button AN and electronic switch S9, the counting circuit that is connected the pulse producer that is made of Sheffer stroke gate F1, F2 and R6, R7, C2 successively, is made of IC8.

According to claim 1 or 2 or 3 or 4 or 5 described wireless remote control phonetic teaching devices, it is characterized in that 6, the emission of master station, learning machine, receiving antenna change into infrared or ultrasonic launching head, reception head, constitute infrared or ultrasonic remote control phonetic teaching device.

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