CN85200511U - Language learning machine for deaf-mutes - Google Patents
Language learning machine for deaf-mutes Download PDFInfo
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- CN85200511U CN85200511U CN 85200511 CN85200511U CN85200511U CN 85200511 U CN85200511 U CN 85200511U CN 85200511 CN85200511 CN 85200511 CN 85200511 U CN85200511 U CN 85200511U CN 85200511 U CN85200511 U CN 85200511U
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- CN
- China
- Prior art keywords
- deaf
- machine
- stereo
- mutes
- bone conduction
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Abstract
The utility model relates to a TET-shaped language learning machine for deaf-mutes, being a device which is used for training the students of a whole class to speak in a deaf-mute school. The TET-shaped language learning machine for deaf-mutes is a special stereo integrated audio system which is suitable for the deaf-mutes. The utility model is mainly characterized in that the TET-shaped language learning machine for deaf-mutes adopts three electromechanical sensors which respectively are a stereophonic deaf-aid, a brain and bone sound transmitting machine and a tooth sound transmitting machine. A deaf-mute student can recover auditory sensation and learn to speak by any sensor. A teacher exchanges messages with students by five transmission modes of wire, radio, electromagnetic, weak discontinuity wave and infrared optical communication so as to adapt to various teaching methods. The machine is accessorily provided with the audio-visual education interface devices of a slide show, a photographing pictures machine, a movie, a recording picture machine, a sound receiving and recording machine or an educational television, etc., and can retransmit the programs of a station or a television station.
Description
The utility model belongs to the pickoff part.
At present, the deaf and dumb hearing aids of West Germany Siemens Company 09 type is the equipment that the teacher only teaches a deaf and dumb student training language, listens the severe patient effect not good enough to losing, and does not satisfy various deaf-mutes' practical needs and learns words.
Deaf and dumb phone is specialized in the equipment that the deaf and dumb student's study of the full class of training of school for deaf-mutes (standard ten people) is spoken.According to deaf-mute's different situations, select one of three kinds of pickoffs for use, be equipped with senior integrated circuit and form the stereo amplification system, can make anacusia patient, the rehabilitation sense of hearing, study is spoken.This machine makes education of deaf and dumb by the noiseless world (sign language), brings up to the sound world (language); The deaf-mute child can be a visitor at a meeting, reach deaf and not mute technique effect.
Give full play to many sensory functions such as vision, seismesthesia and residual hearing of deaf-mute, come tap intellectual resources, cooperate audio and video information by this machine, excite all look, the auditory nerve system, induction cerebral language center nerve, control throat, training speech.After learning, the deaf-mute leaves phone, also can deliver a speech and sing.
It is as follows to specify the utility model enforcement best way technology contents in conjunction with the accompanying drawings:
1, listen a degree according to the deaf-mute different cause of disease and mistake, utilize conductance and bone conduction function, take the technical measures of three kinds of pickoffs, obtain the sense of hearing, study is spoken.
(1) stereo, high-fidelity, high-power earphone hearing aids encourage deaf-mute child's two ears different residual hearing and frequency spectrum respectively, and training is spoken.
(2) brain bone conduction machine: can make inner ear severe deafness person, with electromagnetic type bone conduction machine (Fig. 7) or piezoelectric type bone conduction machine (Fig. 8), be placed on two mastoid process positions, vibration temporal bone cortex is listened district and ear Snail auditory nerve, produces a tin feel for the language and feels and learn words.
(Fig. 7) is electromagnetic type bone conduction machine structure chart: be made up of permanent magnet (1), enamel-cover induction coil (2), electromagnet U type pole shoe (3), soft iron attracting sheet (4), steel drive link (5) and bakelite vibrating disk elements such as (6).At ordinary times, the magnetic flux φ of permanent magnet (1)
1Equate that by bipolar shoe (3) space interesting to listen to (4) balance is static.When words stream passes through coil (2), produce alternating flux φ
2With φ
1Interact down, the identical end magnetic force of pole shoe (3) magnetic flux is strengthened, other holds magnetic flux opposite, and magnetic force weakens, and driving attracting sheet (4) is axle with center fixation point (6), and swing is alternately inhaled in two ends, drives vibrating disk (6) vibration brain bone.
(Fig. 8) is piezoelectricity chip bone conduction machine structure chart: adopt (1) four same phase composition of high electromechanical transducing coefficient material " lead zirconate titanate ", fixing in the middle of it with the thick epoxy coating of 0.25～0.38m/m (2), the place ahead dress φ 30m/m garden shape bakelite vibrating disk (3), assemble two groups of parallel connection types after the two piezoelectric patches parallel connections, the comparable monolithic impedance of its structure reduces about four times, and power increases, and frequency response is widened, highly sensitive, advantages such as good anti-moisture ability.
(3) tooth voice transmitter: can make deaf as a deer person's (lose and listen) person more than 90 decibels, the whole skull cortex of contact tooth vibrate skull bone is listened district, ear Snail wall auditory neurons and brain auditory center, play compressional mode of bone conduction, translatory mode of bone conduction and the quite effect of conductance, excite auditory response, effect is best.
(Fig. 9) tongue differential electromagnetic formula tooth voice transmitter structure chart: form by permanent magnet (1), enamel-cover induction coil (2), power-on and power-off magnet pole shoe (3), soft iron tongue moving plate (4) and copper tooth vibrating reed (5) etc.At ordinary times, tongue (4) is an axle with center fixation point (6), keeps balance between pole shoe (3).When words stream during by coil (2), produce alternating magnetic field, make tongue moving plate (4) be subjected to the poles attract vibration evenly, so advantage such as frequency response is wide and level and smooth.Tooth is transaudient, world's initiative.
2, according to course content and professor's method, teachers and students' exchange message is taked five kinds of transmission meanss, and optional one is taught design:
(1) TET---I type: wire transmission mode---gives lessons by the fixed position.
(Fig. 1) is the wire transmission mode schematic diagram: wherein (a) is teacher's part that amplifies, and is provided with main amplifier and supply unit (1), microphone (2), sets up slide projector (3), projector (4), radio-cassette player (5), television set (6), video tape recorder (7) and projecting apparatus (8).(b) is student's receiving unit, is provided with ten reception extension sets (9), and interior dress volume is adjusted (10), tone adjustment (11), and each extension set outputs to hearing aids (12), brain bone conduction machine (13) or tooth voice transmitter (14).
These facility have high accuracy, the high power acoustics sound reinforcement system that is fit to deaf and dumb specific function.
(Figure 11) is wired teacher's main amplifier circuit figure: adopt antinoise, directive property, high sensitivity Electret condenser microphone (CZH) input low noise, high-fidelity 2W power integrated circuit (1), be provided with automatic electric-level control (ALC) circuit (2AP * 2), and establish different spectral electronic filter (K), language: 250HZ～5KHZ (K1 position); Broadcasting: 150HZ～8KHZ (K2 position); Symphony: 100HZ～10KHZ (K3 position), its output circuit use ten extension sets of 5 * 2 groups of transformer commissures respectively.
Have stereo integrated receiver, after one of dual track is provided with the trapper processing, generation time difference and level difference between dual track, thus obtain stereophonic effect.
(Figure 12) is wired receiver circuit figure that simulates stereo: each receives extension set by transformer and main frame commissure, is input to extension set, at first through squelch circuit (1), again by shock absorbing circuit (3), and establish tone compensation device (W
7) handle, the dual track volume is by (W
1, W
2) adjust respectively, tone is respectively by (W
3, W
4, W
5, W
6) each self-adjusting adapts to the special stereo set that the different mistake of deaf-mute's ears listens degree and different spectral characteristic to require.
(2) TET-II type: wireless transmission method---give lessons in the shift position.
(Fig. 2) is the wireless transmission method schematic diagram: use long wave and ultrashort wave, in order to avoid disturb, its (a) is teacher's wireless microphone: wherein transmitter (1), microphone (2) and transmitting antenna (3).(b) is student's extension set: wherein receiver (4), reception antenna (5), its (12), (13), (14), with (Fig. 1).The all miniaturizations of transmitting-receiving body.Teacher of the hanging over, living front are got in touch with flexible.
(Figure 13) is 250KHZ long wave AM receiver circuit diagram: be to consist of amplitude modulation superhet circuit with monolithic broadcast receiver ULN-2204 integrated circuit, part is few; Excellent in efficiency, its output is led to one of transducer and is received.
(Figure 14) is 250KHZ long wave teacher wireless microphone circuit diagram: speech is by miniature (800 Ω) microphone excitation modulating valve BG
1Be modulated to oscillating tube BG
2, by ferrite resonance coil (T), electric wave is launched by magnetic antenna rod (L).
(Figure 15) is the pocket antenna microphone circuit of 25MHZ frequency modulation figure: speech is input to phasitron BG by microphone (CRZ)
1Be transferred to oscillating tube BG
2, through tank coil (L
1) commissure is to antenna loops (L
2), launch by antenna.
(Figure 16) is 25MHZ teacher's pointer antenna microphone circuit figure: speech is tuned to oscillating tube BG by microphone (CRZ)
1, use (T) commissure to amplifier tube BG
2, through tank coil (L
1), launch by pull bar teacher's pointer antenna (L).Two kinds of ultrashort wave wireless microphones, optional one.
(Figure 17) is 100MHZ frequency-modulated antenna microphone circuit figure: speech is activated to amplifier tube BG by microphone (2)
1, through preemphasis circuit (1) and bias control circuit (3), commissure is to oscillating tube BG
2,, launch by antenna through printed coil (L).Cooperate the frequent radio-cassette player of 100MHZ to give lessons with it, tissue is simple, and is easy to use.
(Figure 18) is 25MHZ FM receiver circuit diagram: wherein still use monolithic ULN-2204 integrated circuit, form frequency modulation superhet circuit.With the supporting use of (Figure 115) or (Figure 16) wireless microphone.
(Figure 10) is receiver output shock absorbing circuit diagram: at output and the transducer anti-phase 2CW that connects in the two poles of the earth in parallel * 2 voltage stabilizing didoes of receiver; when the transducer output sound pressure level reaches the threshold of pain; play the limited amplitude protection effect, prevent that receiver from exporting strong voltage peak infringement auditory nerve.
(3) TET-III type: electromagnetic transmission mode---constant bearing, shift position.
(Fig. 3) is electromagnetic transmission mode schematic diagram: (a) is a channel teacher radiating portion, wherein transmitter (1), microphone (2) and the X orientation emission line of induction (3).(b) is a channel receiving unit, wherein receives extension set (4), X orientation and receives the line of induction (5), and (C) is two channels transmit parts, y orientation transmitting antenna (6) wherein, and (d) is two channel receiving units, its y orientation receives line of induction (7).(e) is three channels transmit parts, its Z orientation emission line of induction (8), and (f) is three channel receiving units, its Z orientation receives the line of induction (9).Wherein (12), (13), (14) are with (Fig. 1).
(Figure 19) is the electromagnetic transmission block diagram: its transceiver that amplifies is identical with wired mode circuit, just utilizes audio frequency high-tension electricity magnetic wave commissure.(a) is teacher's main amplifier (Figure 11), it is characterized in that it is exported commissure to high-tension transformer (GEB), promotes to be the high-tension electricity magnetic wave, strengthens local induction force.For receiving extension set (Figure 12), electromagnetic wave is received by ferrite pick-up coil rod (T) (b), is input to after receiver (3) amplifies, and outputs to transducer (12), receives audio signal.
If desired, three groups of identical three groups of lines of induction of x, y, z (a-b group), (c-d groups) and (e-f group) in transmitting-receiving azimuth, can not disturbed by adorning three complete equipments mutually in same classroom, taught three kinds of different courses simultaneously.
(4) TET-IV: forte ripple transmission means---fixing or move between stereo speaker and give lessons.
(Fig. 4) is forte ripple transmission means schematic diagram: the wherein attached power supply of group amplifier (1), microphone (2), two
High bass box (3) and student position (4).It is characterized in that: integrated power amplifier (Figure 20) with three kinds of stereo translation functions.
The teacher is saying that must wear conversation class hour protects earmuff or earplug, and this mode suitable " heavy moderate is deaf and dumb " student uses.
(20) be forte ripple broadcast circuit figure: no matter monophony or dual track microphone are by J
1And J
2Jack is input to two prime integrated circuit (F
1) amplify, through the dual track second level (F
2) having (2CP12 * 4) amplifying circuit that automatic electric-level is controlled (ALC), the third level is stereo conversion integration block (F
3), by (K
1, K
2) can be exchanged into stereo, the spatial stereo or the three kinds of technical functionalitys that simulate stereo, the fourth stage (F
4, F
5) being power amplification, its power output is 2 * 15W.Volume (the W of dual track
1, W
2) and tone (W
3, W
4, W
5, W
6) all can distinguish separately and regulate, be independent of each other.
(5) TET-V type: infrared transmission mode---fixing or mobile directly to giving lessons.
(Fig. 5) is the infrared mode schematic diagram of fixedly giving lessons: (a) is radiating portion, wherein transmitter (1), microphone (2), infrarede emitting diode (3).(b) is infrared receiving unit, wherein receiver (4), infrared reception triode (5), and its (12), (13), (14) are with (Fig. 1).
(Fig. 6) the mode schematic diagram of giving lessons for infrared ray moves: numbering is with (Fig. 5) in its sending and receiving partial graph, and mobile transceiver all hangs over the contact of teachers and students front.
(Figure 21) is infrared ray stationary transmitter circuit diagram: speech is input to monolithic μ PC1350C integrated circuit by (CZ II) microphone, wherein comprises prime and amplifies (A
1), automatic electric-level control (ALC), power filter (F) and power amplification (A
2) outputing to power tube (3DD5A) Qiang Fanghou, it is carried on the back or on the head is ten light-emitting diodes (HG505B), launches ten tunnel infrared channel.
(Figure 22) is fixing and mobile infrared radiation receiving circuit figure: receive infrared signal with phototriode (3DU31) and deliver to monolithic μ PC1350C integrated circuit, arbitrary working sensor is received in its output.
(Figure 23) is infrared ray mobile transmitter circuit diagram: its circuit is with fixed identical, and just it exports direct load-Zhi light-emitting diode (HG413B), emission single channel infrared channel.
3, implement " with eye for ear " audio-visual education preferred plan, this machine is set up the various safe interface devices of slide projector, projecting apparatus, projector, radio-cassette player, video tape recorder or instructional television (outsourcing) (Fig. 1 (a)), has realized having sound, literary composition, figure, as the Modern Education Technology effect of multiple demonstration.
4, also can make deaf-mute collective enjoy broadcasting station or the news of TV station and the function of theatrical items by the native interface device.
5, the utility model specific embodiment is as follows:
(Fig. 7～23) various first materials are narrated in description of drawings, now each organism material, size are listed as follows:
Various organism materials, dimensional parameters table
Unit: millimeter
A---iron plate japanning case.
B---duroplasts box.
C---bakelite garden tube box and copper telescopic antenna.
D---wooden box japanning.
E---installing I, III, IV type main frame and attached power supply of V type stationary transmitter and audiovisual interface device.
F---the fixing extension set that receives of installing I, III and V type.
Claims (6)
1, deaf and dumb phone is made up of microphone, sound amplifier and pickoff, it is characterized in that:
A, teachers and students' exchange message have multiple transmission means [Fig. 1～6].
B, the special public address equipment of deaf-mute's collective study.
C, three kinds of pickoffs: stereo hearing aids, brain bone conduction machine [Fig. 7,7,8] and tooth voice transmitter [Fig. 9].
D, has audio-visual education DIU display interface unit [Fig. 1 (a)].
2, according to the described deaf and dumb mouth piece of claim 1, it is characterized in that: adopt wired (Fig. 1), wireless (Fig. 2), electromagnetic wave (Fig. 3), forte ripple (Fig. 4) and five kinds of transmission meanss of infrared ray communication (Fig. 5,6).
3, according to claim 1,2 described public address equipments, example aspects is: wired, electromagnetic wave, transmission circuit main frame (Figure 11) are provided with automatic electric-level control (ALC) circuit, and have language, broadcasting and symphonic different spectral filtering ripple integrated amplifier and form; Receive that the amplifier that simulates stereo that extension set (Figure 12) is provided with the noise that disappears, shock absorbing circuit forms.
Forte ripple transmission circuit (Figure 20), the advanced audio system of (stereo, spatial stereo or simulate stereo) the comprehensive integration power amplifier that it is characterized in that having three kinds of stereo conversions.
4, according to the described brain bone conduction of claim 1 machine, it is characterized in that adopting electromagnetic type bone conduction machine (Fig. 7), or piezoelectricity chip bone conduction machine (Fig. 8).
5, according to the described tooth voice transmitter of claim 1, it is characterized in that adopting tongue differential pick-up (Fig. 9).
6, according to claim 1,2, described equipment, it is characterized in that:
Be provided with the interface arrangement (figure (a)) of various audio-visual aids (magic lantern, projection, film, record a video, include sound or instructional television).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85200511 CN85200511U (en) | 1985-12-23 | 1985-12-23 | Language learning machine for deaf-mutes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85200511 CN85200511U (en) | 1985-12-23 | 1985-12-23 | Language learning machine for deaf-mutes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN85200511U true CN85200511U (en) | 1986-08-13 |
Family
ID=4796827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85200511 Expired - Lifetime CN85200511U (en) | 1985-12-23 | 1985-12-23 | Language learning machine for deaf-mutes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85200511U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102663925A (en) * | 2012-05-09 | 2012-09-12 | 长春大学 | Method and system for tongue training for language training of hearing-impaired children |
| WO2023029206A1 (en) * | 2021-09-02 | 2023-03-09 | 声佗医疗科技（上海）有限公司 | Pickup, communication device, and communication apparatus |
-
1985
- 1985-12-23 CN CN 85200511 patent/CN85200511U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102663925A (en) * | 2012-05-09 | 2012-09-12 | 长春大学 | Method and system for tongue training for language training of hearing-impaired children |
| WO2023029206A1 (en) * | 2021-09-02 | 2023-03-09 | 声佗医疗科技（上海）有限公司 | Pickup, communication device, and communication apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |