CN108172052A - A kind of English letter memorization device and its method - Google Patents

A kind of English letter memorization device and its method Download PDF

Info

Publication number
CN108172052A
CN108172052A CN201810108172.9A CN201810108172A CN108172052A CN 108172052 A CN108172052 A CN 108172052A CN 201810108172 A CN201810108172 A CN 201810108172A CN 108172052 A CN108172052 A CN 108172052A
Authority
CN
China
Prior art keywords
english
turntable
display screen
observation window
hollow slots
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810108172.9A
Other languages
Chinese (zh)
Inventor
郭培粉
赵强
张凤伟
刘军辉
杨静
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shangqiu Normal University
Original Assignee
Shangqiu Normal University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shangqiu Normal University filed Critical Shangqiu Normal University
Priority to CN201810108172.9A priority Critical patent/CN108172052A/en
Publication of CN108172052A publication Critical patent/CN108172052A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B7/00Electrically-operated teaching apparatus or devices working with questions and answers
    • G09B7/02Electrically-operated teaching apparatus or devices working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B19/00Teaching not covered by other main groups of this subclass
    • G09B19/06Foreign languages
    • G09B19/08Printed or written appliances, e.g. text books, bilingual letter assemblies, charts

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Electrically Operated Instructional Devices (AREA)

Abstract

The present invention relates to a kind of English letter memorization device and its methods, upper cover plate is provided on housing, observation window is offered on upper cover plate, the round hollow slots of at least one circle are offered on the upper cover plate of observation window both sides, is provided in the housing of round hollow slots and observation window lower part and is manually entered reinforcement memory storage;The technological element of a product is high, using the mode of spectrum analysis, will be manually entered and exports efficient combine with electronics, continuity is strong, and transfer capability is strong, connection mode fast and stable, by way of being manually entered and being exported with audio and video, the long-time stability of vocabulary memorization are substantially increased.

Description

A kind of English letter memorization device and its method
Technical field
The present invention relates to English study fields, and in particular to a kind of auxiliary English word memorizing device, it is more particularly to a kind of English letter memorization device and its method.
Background technology
The generation of English word is the product of Chinese-English bilingual two-way exchange, some are with title with Chinese characteristics and generally Thought enters English glossary, while also has some English glossaries to enter Chinese, and new meaning, shape are being gone out derived from cultural environment Into the semantic culture feature of English glossary.The study of English at present needs to remember a large amount of word, only fully grasps memory English word could learn English, cooperation pronunciation and aural learning, gradual master English professional knowledge.But at present because The difference of Chinese and Western culture, memorizing english words get up more arduously, and student is needed, which to memorize mechanically, gradually to be grasped, this note It is of short duration to recall mode, it is impossible to basis firm in a down-to-earth manner is provided for English study.Student lacks interest in learning and memory, remember by To limitation, solid, the study of these factors influence Curriculum Standards for English is not remembered.
The memorizing english words auxiliary device occurred more in the market there are it is certain the defects of:First, traditional English Language vocabulary memorization device is mostly electronic product, although external auxiliary is provided with housing, be as electrons expansion and Displaying, the mode of electronics output is doomed to present on the display screen for the visual image after digitized processing, this is for list The booster action that the memory of word is played is very little, student in memory style that is subjective and objectively being visualized to it relatively It is weak, while lack vividness, and the conversion that the pattern of visual communication cannot be lively by way of memory, affect student's The formation of deep memoryization pattern, it can only be assisted from visual aspects and, with respect to narrow scope of application;Secondly, it passes The vocabulary memorization ancillary equipment some of system is more heavy, the writing or input repeated using the memory pattern of machinery, to student Form writing memory, repetitive operation memory, this is unfavorable for student and gives play to a subjective initiative to carry out deep memory to word, cause Memory cycle and time are elongated, and the speed and efficiency remembered reduce, and do not remember solid;Again, currently on the market some The scientific and technological content of memory entertaining assistant reinforcement equipment is relatively low manually, and continuity is not strong, and transfer capability is poor, is manually entered and audio Video output continuity is not strong, is short of unified connection mode, and integrated connection is caused more to be short of or lack corresponding audio Output either lacks corresponding video output or video/audio and is manually entered shortcoming continuity, it is impossible to realize to memory Secured reinforcement.
Therefore it provides a kind of simple in structure, easy to operate, interesting strong, memory style is various, grasps flexible, memory jail Gu audio frequency and video exports and strong, applied widely, the method English letter memorization device simple to operation that is manually entered continuity And its method, there are extensive market prospects.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of simple in structure, easy to operate, interesting strong, memory style It is various, grasp flexible, memory is secured, and audio frequency and video exports and be manually entered that continuity is strong, and applied widely, method is simply easily grasped The English letter memorization device and its method of work, the defects of for overcoming in the prior art.
The technical proposal of the invention is realized in this way:A kind of English letter memorization device including housing, is arranged on housing On the first display screen and second display screen and the loudspeaker for being arranged on back side of shell, install inside housings with the first display Shield, the processor that second display screen and loudspeaker are connected, be provided with upper cover plate on the housing, sight is offered on upper cover plate Window is examined, at least one round hollow slots of circle are offered on the upper cover plate of observation window both sides, in round hollow slots and observation window lower part It is provided in housing and is manually entered reinforcement memory storage.
The reinforcement memory storage that is manually entered includes the fixture block being movably arranged in round hollow slots, the bottom of fixture block It is fixedly mounted on turntable, the upper surface of turntable is provided with 26 alphabetical layers, and support plate is provided on the inside of turntable, turntable The back side is provided with 26 Letter identifications spectrum layer corresponding with 26 letter layers, and the position setting of observation window is corresponded in turntable bottom Have and be connected with the corresponding spectroscopic identifiers of Letter identification spectrum layer, spectroscopic identifiers by conducting wire with spectroanalysis instrument, light Spectrum analysis instrument is connected by conducting wire with processor.
The enclosure interior is provided with accumulator group, and the side of accumulator group is connected with circumscripted power line, accumulator group Opposite side be connected by power switch with processor, observation window be bar shaped cavernous structure, the both sides up and down of observation window and circle Shape hollow slots are connected, and the groove width of observation window is not less than the groove width of round hollow slots, and the length of observation window is not less than round hollow out The groove width of slot.
First display screen touches display screen for Chinese hand, and the second display screen is that English hand touches display screen, the One display screen and second display screen are fixedly mounted on by way of inlaying on upper cover plate.
The fixture block is the cylindrical block structure that circus movement can be done along round hollow slots, and the height of fixture block is not Less than the thickness of upper cover plate, the diameter of fixture block is not more than the groove width of round hollow slots.
The turntable is cirque structure, and turntable is movably arranged on the outside of support plate, and the width of turntable is not less than circle The groove width of shape hollow slots, the center line of turntable width direction are Chong Die with the groove center line of round hollow slots.
26 different English alphabets are respectively arranged on the alphabetical layer of described 26,26 English alphabets are impartial in order It is arranged on the circumferencial direction of turntable, 26 Letter identification spectrum layer equal distributions are at the back side of the corresponding turntable of alphabetical layer.
A kind of method using above-mentioned English letter memorization device memorizing english word, method are as follows:Open processor Afterwards, the first display screen display Chinese, user are identified according to the Chinese of display, and conversion needs manual mobile card when English Block rotates fixture block, is further driven to turntable moving in rotation, when corresponding English words occurs in the alphabetical layer for being provided with English alphabet When female, which is rested on into the corresponding position of observation window, which is shown in the middle position of observation window, the turntable back side Corresponding Letter identification spectrum layer drops into the top of spectroscopic identifiers, and spectroscopic identifiers are passed information to by opto-electronic conversion Spectroanalysis instrument shows the alphabetical information that manual adjusting position is shown on a second display after spectroanalysis instrument analysis, according to Secondary step after whole letters of word are manually entered, shows English corresponding with Chinese on a second display Word, whether processor analysis English word is correct, and reports judgement information by loudspeaker.
The present invention has following good effect:First, this product is simple in structure, easy to operate, and this product is set for machinery The mode plus electronics setting is put, the defects of traditional English letter memorization device is electronic product is overcome, by manual Input is presented on the display screen plus the mode that electronics exports by the word of student memory or according to the word of books input, Manual handle enhances the effect of memory plus the further memory for strengthening student of the visual image after digitized processing Fruit, student is more obvious in memory that is subjective and objectively being visualized to it, and process vivid and interesting contributes to student to remember deeply The formation of change pattern, and assistant reinforcement memory is carried out from the judgement for acoustically providing memory result, it is applied widely;Secondly, The memory pattern memorize mechanicallyd of tradition is overcome, by being manually entered for student, in addition the back work of vision and the sense of hearing, favorably The period of memory is shortened to vocabulary memorization in the supervisor for playing student is active, and the speed accelerated improves the effect of memory Rate;Again, the technological element of a product is high, using the mode of spectrum analysis, will be manually entered and exports efficient combination with electronics, link up Property it is strong, transfer capability is strong, connection mode fast and stable, be manually entered with audio and video export by way of, substantially increase list The long-time stability of word memory.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is one of internal structure schematic diagram of the present invention.
Fig. 3 is the two of the internal structure schematic diagram of the present invention.
Fig. 4 is the three of the internal structure schematic diagram of the present invention.
Specific embodiment
As shown in Figure 1,2,3, 4, a kind of English letter memorization device, including housing 1, first be arranged on housing 1 is aobvious Display screen 2 and second display screen 3 and the loudspeaker 18 for being arranged on 1 back side of housing, inside housing 1 with the first display screen 2, The processor 11 that second display screen 3 and loudspeaker 18 are connected is provided with upper cover plate 4 on the housing 1, is opened on upper cover plate 4 Equipped with observation window 5, the round hollow slots 6 of at least one circle are offered on the upper cover plate 4 of 5 both sides of observation window, in round hollow slots 6 and are seen It examines to be provided in the housing 1 of 5 lower part of window and is manually entered reinforcement memory storage.
The reinforcement memory storage that is manually entered includes the fixture block 9 being movably arranged in round hollow slots 6, fixture block 9 Bottom is fixedly mounted on turntable 7, and the upper surface of turntable 7 is provided with 26 alphabetical layers 8, and the inside of turntable 7 is provided with support Disk 10, the back side of turntable 7 be provided with 26 alphabetical layers, 8 corresponding 26 Letter identification spectrum layer 15, corresponded in 7 bottom of turntable The position of observation window 5 be provided with 15 corresponding spectroscopic identifiers 14 of Letter identification spectrum layer, spectroscopic identifiers 14 are by leading Line is connected with spectroanalysis instrument 12, and spectroanalysis instrument 12 is connected by conducting wire with processor 11.
The housing 1 is internally provided with accumulator group 13, and the side of accumulator group 13 is connected with circumscripted power line 16, stores The opposite side of battery pack 13 is connected by power switch 17 with processor 11, observation window 5 be bar shaped cavernous structure, observation window 5 Both sides up and down be connected with round hollow slots 6, the groove width of observation window 5 is not less than the groove width of round hollow slots 6, observation window 5 Length is not less than the groove width of round hollow slots 6.First display screen 2 touches display screen, the described second display for Chinese hand Screen 3 touches display screen for English hand, and the first display screen 2 and second display screen 3 are fixedly mounted on upper cover plate 4 by way of inlaying On.
The fixture block 9 is the cylindrical block structure that circus movement can be done along round hollow slots 6, the height of fixture block 9 Degree is not less than the thickness of upper cover plate 4, and the diameter of fixture block 9 is not more than the groove width of round hollow slots 6.
The turntable 7 is cirque structure, and turntable 7 is movably arranged on the outside of support plate 10, and the width of turntable 7 is not low In the groove width of round hollow slots 6, the center line of 7 width direction of turntable is Chong Die with the groove center line of round hollow slots 6.Described 26 Be respectively arranged with 26 different English alphabets on a letter layer 8,26 English alphabets in order impartial setting in the circle of turntable 7 In circumferential direction, 26 15 equal distributions of Letter identification spectrum layer are at the back side of alphabetical 8 corresponding turntable 7 of layer.
A kind of method using above-mentioned English letter memorization device memorizing english word, method are as follows:Unlatching is handled After device 11, Chinese is shown on the first display screen 2, user is identified according to the Chinese of display, is needed when conversion is English manual Mobile fixture block 9, fixture block 9 is rotated, is further driven to 7 moving in rotation of turntable, when the appearance pair of alphabetical layer 8 for being provided with English alphabet During the English alphabet answered, which is rested on into 5 corresponding position of observation window, which is shown in the placed in the middle of observation window 5 Position, the corresponding Letter identification spectrum layer 15 in 7 back side of turntable drop into the top of spectroscopic identifiers 14, and spectroscopic identifiers 14 pass through Opto-electronic conversion passes information to spectroanalysis instrument 12, and spectroanalysis instrument 12 is shown manually after analyzing on second display screen 3 The alphabetical information that adjusting position is shown, step, after whole letters of word are manually entered, shows second successively Display English word corresponding with Chinese on screen 3, whether the analysis English word of processor 11 is correct, and passes through the report of loudspeaker 18 and sentence Determine information.
This product when in use, by taking Chinese " apple " as an example, English word APPLE, Display of Chinese characters on the first display screen 2 Apple in this product, stirs fixture block 9, and turntable 7 starts to rotate, and 26 different English are respectively arranged on 26 alphabetical layers 8 Letter when the position that first English A appears in corresponding observation window 5 is the fixture block 9 that stops operating, offers enough on cover board 4 More circle circle hollow slots 6 install above-mentioned steps, and corresponding P letters are found on second turntable 7, and so on, it will be all The English alphabet needed once corresponds to the center line viewing window position for appearing in observation window 5, at this point, A, P, P, L, E letter correspond to all It appears on observation window 5.At the same time, 7 back side of turntable is provided with 26 Letter identification spectrum layers 15 corresponding with 26 letters, After the character position each needed determines, the corresponding Letter identification spectrum layer 15 in 7 back side of turntable drops into spectroscopic identifiers 14 Top, spectroscopic identifiers 14 pass information to spectroanalysis instrument 12 by opto-electronic conversion, spectroanalysis instrument 12 analyze after the The alphabetical information that manual adjusting position is shown is shown on two display screens 3, and display is corresponding with Chinese on second display screen 3 English word APPLE, whether the analysis English word of processor 11 is correct, and passes through loudspeaker 18 and report judgement information, is broadcast when correct Report is correct, and when mistake reports mistake, completes the memory to English word.

Claims (8)

1. a kind of English letter memorization device, including housing(1), it is arranged on housing(1)On the first display screen(2)It is aobvious with second Display screen(3)And it is arranged on housing(1)The loudspeaker at the back side(18), mounted on housing(1)It is internal with the first display screen(2), Two display screens(3)And loudspeaker(18)The processor being connected(11), it is characterised in that:The housing(1)On be provided with Cover board(4), upper cover plate(4)On offer observation window(5), observation window(5)The upper cover plate of both sides(4)On offer at least one circle circle Shape hollow slots(6), in round hollow slots(6)And observation window(5)The housing of lower part(1)It is inside provided with and is manually entered reinforcement memory dress It puts.
2. English letter memorization device according to claim 1, it is characterised in that:Described is manually entered reinforcement memory dress It puts including being movably arranged on round hollow slots(6)Interior fixture block(9), fixture block(9)Bottom be fixedly mounted on turntable(7)On, turn Disk(7)Upper surface be provided with 26 alphabetical layers(8), in turntable(7)Inside be provided with support plate(10), turntable(7)The back of the body Face is provided with and 26 alphabetical layers(8)Corresponding 26 Letter identifications spectrum layer(15), in turntable(7)Bottom corresponds to observation window (5)Position be provided with and Letter identification spectrum layer(15)Corresponding spectroscopic identifiers(14), spectroscopic identifiers(14)Pass through Conducting wire and spectroanalysis instrument(12)It is connected, spectroanalysis instrument(12)Pass through conducting wire and processor(11)It is connected.
3. English letter memorization device according to claim 1, it is characterised in that:The housing(1)It is internally provided with Accumulator group(13), accumulator group(13)Side be connected with circumscripted power line(16), accumulator group(13)Opposite side pass through Power switch(17)With processor(11)It is connected, observation window(5)For bar shaped cavernous structure, observation window(5)Both sides up and down with Round hollow slots(6)It is connected, observation window(5)Groove width be not less than round hollow slots(6)Groove width, observation window(5)Length Not less than round hollow slots(6)Groove width.
4. English letter memorization device according to claim 1, it is characterised in that:First display screen(2)For the Chinese Language hand touches display screen, the second display screen(3)Display screen, the first display screen are touched for English hand(2)And second display screen(3) Upper cover plate is fixedly mounted on by way of inlaying(4)On.
5. English letter memorization device according to claim 2, it is characterised in that:The fixture block(9)Being can be along Round hollow slots(6)Do the cylindrical block structure of circus movement, fixture block(9)Height be not less than upper cover plate(4)Thickness, card Block(9)Diameter be not more than round hollow slots(6)Groove width.
6. English letter memorization device according to claim 2, it is characterised in that:The turntable(7)For circular ring shape knot Structure, turntable(7)It is movably arranged on support plate(10)Outside, turntable(7)Width be not less than round hollow slots(6)Groove width, Turntable(7)The center line of width direction and round hollow slots(6)Groove center line overlapping.
7. English letter memorization device according to claim 2, it is characterised in that:The alphabetical layer of described 26(8)Upper point Be not provided with 26 different English alphabets, 26 English alphabets in order impartial setting in turntable(7)Circumferencial direction on, 26 A Letter identification spectrum layer(15)Equal distribution is in alphabetical layer(8)Corresponding turntable(7)The back side.
8. a kind of method of English letter memorization device memorizing english word using described in claim 2, feature It is, method is as follows:Open processor(11)Afterwards, the first display screen(2)Upper display Chinese, user is according to the Chinese of display It is identified, mobile fixture block manually is needed when conversion is English(9), by fixture block(9)Rotation, is further driven to turntable(7)Rotation moves It is dynamic, when the alphabetical layer for being provided with English alphabet(8)When there is corresponding English alphabet, which is rested on into observation window (5)Corresponding position, the letter are shown in observation window(5)Middle position, turntable(7)The corresponding Letter identification spectrum layer in the back side (15)Drop into spectroscopic identifiers(14)Top, spectroscopic identifiers(14)Spectrum analysis is passed information to by opto-electronic conversion Instrument(12), spectroanalysis instrument(12)In second display screen after analysis(3)On show the alphabetical information that manual adjusting position is shown, Step successively, after whole letters of word are manually entered, in second display screen(3)Upper display is corresponding with Chinese English word, processor(11)It whether correct analyzes English word, and passes through loudspeaker(18)Report judgement information.
CN201810108172.9A 2018-02-02 2018-02-02 A kind of English letter memorization device and its method Pending CN108172052A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810108172.9A CN108172052A (en) 2018-02-02 2018-02-02 A kind of English letter memorization device and its method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810108172.9A CN108172052A (en) 2018-02-02 2018-02-02 A kind of English letter memorization device and its method

Publications (1)

Publication Number Publication Date
CN108172052A true CN108172052A (en) 2018-06-15

Family

ID=62513263

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810108172.9A Pending CN108172052A (en) 2018-02-02 2018-02-02 A kind of English letter memorization device and its method

Country Status (1)

Country Link
CN (1) CN108172052A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109147424A (en) * 2018-09-10 2019-01-04 包头轻工职业技术学院 Portable luggage chair for Korean study
CN110299034A (en) * 2019-05-30 2019-10-01 东莞职业技术学院 A kind of intelligent English word tutoring system based on rotating disc type

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103247198A (en) * 2013-06-03 2013-08-14 孔国琴 English word learning machine
CN204695587U (en) * 2015-05-28 2015-10-07 江苏海事职业技术学院 English reading assistor
CN105427688A (en) * 2015-12-21 2016-03-23 大连新锐天地传媒有限公司 Card early education machine system
CN205621316U (en) * 2016-02-19 2016-10-05 甘肃政法学院 Teaching aid
CN106971637A (en) * 2017-05-23 2017-07-21 河南城建学院 A kind of foreign language entertaining learning machine and its method
CN206594854U (en) * 2017-03-21 2017-10-27 辽东学院 A kind of English teaching vocabulary exhibiting device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103247198A (en) * 2013-06-03 2013-08-14 孔国琴 English word learning machine
CN204695587U (en) * 2015-05-28 2015-10-07 江苏海事职业技术学院 English reading assistor
CN105427688A (en) * 2015-12-21 2016-03-23 大连新锐天地传媒有限公司 Card early education machine system
CN205621316U (en) * 2016-02-19 2016-10-05 甘肃政法学院 Teaching aid
CN206594854U (en) * 2017-03-21 2017-10-27 辽东学院 A kind of English teaching vocabulary exhibiting device
CN106971637A (en) * 2017-05-23 2017-07-21 河南城建学院 A kind of foreign language entertaining learning machine and its method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109147424A (en) * 2018-09-10 2019-01-04 包头轻工职业技术学院 Portable luggage chair for Korean study
CN110299034A (en) * 2019-05-30 2019-10-01 东莞职业技术学院 A kind of intelligent English word tutoring system based on rotating disc type

Similar Documents

Publication Publication Date Title
CN107808559A (en) A kind of intelligent foreign language learning method and system
CN108172052A (en) A kind of English letter memorization device and its method
CN206003350U (en) A kind of real-time synchronization English Translation exercise apparatus
CN202677667U (en) Multifunctional portable English teaching display box
CN209514898U (en) A kind of English teaching equipment
CN110276996A (en) A kind of Chinese literature auxiliary teaching device
CN206532442U (en) Pinyin learning teaching equipment
CN211529314U (en) Vocabulary teaching board for english teaching
CN206271221U (en) A kind of College English auxiliary memory device
CN214275231U (en) A multimode english teaching device for english teaching
CN206003349U (en) A kind of English learning machine
CN108091215A (en) It is a kind of based on it is multimedia listen barrier student teaching appliance
CN204740756U (en) Novel chinese -English learning tools
CN112289078A (en) Interactive intelligent teaching equipment for assisting English words
CN206757954U (en) A kind of Portable English word memory backing
CN206400808U (en) A kind of English-teaching aid
CN203596115U (en) College English bidirectional translating, reading, listening, and writing practice device
CN204732003U (en) A kind of sign language learning machine
CN215219950U (en) Novel a teaching aid that is used for french grammar tense
CN211207570U (en) Recording device for oral English teaching
CN202601001U (en) Audio e-book for children self-study
CN215006968U (en) Teaching aid based on combined English letter training
CN214428121U (en) English teaching is practised with spelling device
CN202929881U (en) English knowledge competition electronic show window
CN212460845U (en) Multimedia teaching device for medical science

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20180615

RJ01 Rejection of invention patent application after publication