CN200986750Y - Children teaching aid for mathematics and Chinese characters - Google Patents
Children teaching aid for mathematics and Chinese characters Download PDFInfo
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- CN200986750Y CN200986750Y CN 200620141316 CN200620141316U CN200986750Y CN 200986750 Y CN200986750 Y CN 200986750Y CN 200620141316 CN200620141316 CN 200620141316 CN 200620141316 U CN200620141316 U CN 200620141316U CN 200986750 Y CN200986750 Y CN 200986750Y
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Abstract
An infant teaching tool for mathematics and Chinese characters is available for infants to do four arithmetic operations or propose questions and answer by himself according to radicals of different characters or make double plays when running a toggling component and switching a plug bush. The utility model is a toggling component by inserting plug bushes of character radicals or math characters on the surface. The toggling component includes a regular tetrahedron frame and four triangular prisms embedded on the frame. The triangular prism takes the connecting line between the center and the apex as the axial wire and is provided with a central round hole inside. The centers of four surfaces of the regular tetrahedron are respectively provided with a three-jaw chuck vertically arranged on the shaft hole of the surface and movably covered in the shaft hole; each three-jaw chuck is provided with three jaw blocks respectively contacting column surfaces of the triangular prism though turning; a catch is arranged between the jaw block and the contacting surface of the triangular prism and between two plug bushes of each jaw block and a terminal plate is arranged on triangular prisms, thus achieving to propose questions and answer by himself or answer by each other when infants are toggling.
Description
Technical field
The utility model relates to the teaching aid of a kind of children's of being used for learning mathematics and Chinese character, particularly a kind ofly does setting a question of arithmetic or setting a question and ask a question and answer it oneself or mathematics that two-player game is played chess and child's teaching aid of Chinese character different Chinese character radical group word for 4～10 years old child in rotating turning piece and conversion sleeve.
Background technology
As everyone knows, the early development of infant intelligence will help the talent's cultivation, and therefore in today of scientific and technical high speed development, people also make great efforts the renewal in preschool education in the training of personnel.For the renewal of preschool education, except the method that will upgrade conventional teaching, the content of courses, also need be equipped with the teaching aid that is complementary with it, particularly be equipped with some and can evoke child's learning interest, the teaching aid of teaching through lively activities.But present child's teaching aid seldom, can be more very little for the teaching aid that the child teaches through lively activities.
" the child's teaching aid " that application number provides for 03273098.5 Chinese patent, it comprises a chassis, teacher's model, a display device and a wireless remote control emitter, and this teacher's model is erect and is fixed on chassis face one side, display device is erect the opposite side that is fixed on the chassis; Be provided with wireless receiving and voice IC circuit in teacher's model, and its surface is provided with power switch.It is to finish interesting study with a kind of game mode with personification, the anthropomorphic content of courses so that the child takes like a shot.This teaching aid also has following weak point: 1) its anthropomorphic game mode can only bring novel sense to the child when first the use, and just can not feel novel, the passion that is difficult to recur in the use afterwards, so the teaching efficiency during first use is difficult to continue; 2) the anthropomorphic preach mode of this teaching aid is not thrown off traditional mode by teacher's preach, even should the personification recording effect also can not show a candle to teacher's classroom preach; 3) it just listens anthropomorphic preach for the child, and fails to provide do-it-yourself chance to the child, so also be difficult for improving child's desire for knowledge.
Summary of the invention
The utility model is to overcome existing deficiency in the above-mentioned prior art, a kind of child's learning interest and initiatively enter the mathematics of learning state and child's teaching aid of Chinese character of improving is provided, and make it have rational in infrastructure, the child is inscribed or two-player game plays chess to be familiar with the mathematics of arithmetic and cognitive Chinese character and child's teaching aid of Chinese character by asking a question and answer it oneself.
Child's teaching aid of the utility model mathematics and Chinese character, it is characterized in that: it be one comprise one group can be chimeric its go up and the surperficial turning piece that has the sleeve of radical of Chinese character or mathematical character, this turning piece comprises the framework of a positive tetrahedron, chimeric four lines with center to four summits of framework of framework are axis and the triangular prism of being with center hole in it on framework, the center of four faces of positive tetrahedron framework is respectively equipped with one and connects a tri-claw disk perpendicular to kink in the axis hole of this face and this axis hole, having three on each tri-claw disk can be by rotating respectively the rest shoe of fitting with each cylinder of triangular prism, also have on each rest shoe and can go up the outer convex arc surface that also can on triangular prism, carry out rolling transposition, all have the pearl that bumps that can make things convenient for clutch between two sleeves on the binding face of each rest shoe and triangular prism and each rest shoe for chimeric its of two sleeves, the end of each triangular prism is inserted with end plate.
When the child rotates tri-claw disk on the turning piece, perhaps rotate the sleeve on the triangular prism, perhaps change one or two sleeve on the same triangular prism, all can form one arithmetic on a Chinese character of forming by two radicals or each sleeve and inscribe forming on adjacent two sleeves of a triangular prism of turning piece at same tri-claw disk, the child perhaps finds answer to new topic setting a question certainly, reviewing learning content in answer.
Child's teaching aid of the utility model mathematics and Chinese character, it is characterized in that: its framework is provided with the display screen that can show mathematics arithmetic formula or Chinese Character meaning sight, Chinese character pronunciation, and is provided with in the framework in electronic circuit board, tri-claw disk and the sleeve of single-chip microcomputer and all has the contact that is attached thereto.
The utility model is by the tri-claw disk of child's teaching aid on the rotation turning piece of aforesaid mathematics and Chinese character, perhaps rotate the sleeve on the triangular prism, perhaps change formed mathematics of sleeve on the same triangular prism or Chinese character from problem, all can differentiate through A/D conversion, digitizing by the different resistance values of adjacent sleeve, and utilize different contacts and resistance input system, and utilizing single-chip microcomputer to finish the mathematics arithmetic and the identification of Chinese character that two Chinese character radical parts are formed, the retrieval through database obtains digitized voice data again; After this finish the voice signal reduction and amplify, promote the corresponding recording of loudspeaker broadcast by D/A converter, on display screen, show answer simultaneously through electronic circuit.Because the address date of each sleeve of storing in the resistance data of each sleeve inside, the storer and the address date that the single-chip microcomputer connecting terminal is read are with the form input single-chip microcomputer of serial information, difference according to the unique resistance data of sleeve, the address date of each sleeve all is unique, therefore can discern each sleeve.Recognition device is contact identification, and after the contact of sleeve connected, single-chip microcomputer can be read the resistance data of sleeve; Can mathematics sleeve that be identified and Chinese character sleeve are judged through the identification of microcontroller form a correct formula or Chinese character, if should combination correctly then according to the mathematical operation rule, promptly from database, retrieve the recording data-signal that needs broadcast, also extract the relevant numerical data of this Chinese character immediately if the Chinese character of combination is correct, and deliver to D/A converter to finish voice signal reduction, amplify, promote loudspeaker through electronic circuit simultaneously and play or on display screen, show.Related resistance is passive device, so saves energy again accurately and reliably.
Child's teaching aid of the utility model mathematics and Chinese character, it can also connect the plate of playing chess by the interface on it and with data line respectively by two turning pieces, have two detection zones, two loudspeaker, two viewing areas, two groups of buttons on the plate face of this plate of playing chess and be positioned at middle sleeve laydown area with the symmetric mode setting, and the interface of the plate of playing chess.
When the child presses the button, can detect the resistance value of sleeve, the type of identification sleeve immediately, connect the detection that sleeve is finished in timesharing scanning according to different load button then, and perform mathematical calculations or the combination of radical of Chinese character by single-chip microcomputer.In addition, the storage chip that has music, the storage chip of band examination paper and the storage chip with selected topic exchange function also are set respectively in the turning piece and the plate of playing chess, and are furnished with the operation push-button relevant and use for the child with them.Child both sides race to be the first to answer a question by setting a question mutually, replenish mutually in recreation is played chess, improve mutually, and academic enrichment, broaden one's knowledge, improve learning interest.
The beneficial effects of the utility model are: 1) the utility model provides a kind of teaching aid of taking action on one's own to operate for the child, make them rotate turning piece or to change band radical of Chinese character on the turning piece or the sleeve of mathematical character is pieced together and organized one by one Chinese character or make a lot of arithmetic topic, thus can mention they interest, realize learning or reviewing in the mode of asking a question and answer it oneself; 2) by in teaching aid, have can show arithmetic formula or Chinese Character meaning sight and send the computing topic " to " or the single-chip microcomputer of " mistake ", Chinese-character pronunciation etc. after, can not only review mathematical problem or the Chinese character of having learned for the child, but also can make the child constantly acquire new knowledge and then excite child's the interest of going to school, the self-study that also can be is in the future layed foundation; 3) the utility model also can make two turning pieces connect the same plate of playing chess with data line respectively and realize that the recreation of asking mutually, answering mutually or racing to be the first to answer a question between two childs plays chess, make the mutual error correction of both sides of recreation, additional, raising mutually mutually, and in happy recreation, obtain the results of learning of getting twice the result with half the effort; 4) the utility model teaching aid is rational in infrastructure, and after the circuit board of having introduced the band single-chip microcomputer, shown operation result or word meaning sight all can accurately and reliably and be gone back power saving.
Description of drawings
Fig. 1 and Fig. 2 are respectively the stereographic map and the stereographic map of this teaching aid when framework, tri-claw disk, triangular prism decomposition of child's teaching aid of the utility model mathematics and Chinese character;
Fig. 3 is the stereographic map of the utility model teaching aid when getting next tri-claw disk;
Fig. 4 is the structural drawing of the sleeve 4 among Fig. 3, and wherein Fig. 4 a is that its front view, left view, Fig. 4 c that Fig. 4 b is it are the A-A cut-open views among Fig. 4 a; Fig. 4 d is the structure cut-open view that bumps pearl 8 that is had on the sleeve 4;
Fig. 5 a and Fig. 5 b are respectively the synoptic diagram of the utility model teaching aid application example, and wherein Fig. 5 a is the application example of mathematical operation formula, and Fig. 5 b is the synoptic diagram of Chinese radical group word;
Fig. 6 is the structure diagram of the another kind of embodiment of the utility model child teaching aid;
Fig. 7 is the circuit working schematic diagram of the utility model teaching aid embodiment 2 and embodiment 3.
Label declaration among the figure: 1-framework; The 1a-axis; The 1b-axis hole; The center of 1c-framework; Interface on ld-dials and turns; The 2-triangular prism; The 2a-center pit; The 2b-end plate; The 3-tri-claw disk; The 3a-rest shoe; 3a '-outer convex arc surface; The 4-sleeve; The 4a-sheath body; Concaved circular cambered surface in the 4b-; The 5-display screen; The 6-plate of playing chess; The 6a detection zone; The 6b-loudspeaker; The 6c-viewing area; The 6d-button; 6e-sleeve laydown area; The play chess interface of plate of 6f-; The 7-data line; 8-bumps pearl; The 8a-ball; The 8b-housing; The 8c-spring.
Embodiment
The structure of above-mentioned sleeve 4 can be seen from Fig. 4, concaved circular cambered surface 4b in having in its sheath body 4a, so that sleeve 4 after rest shoe 3a is chimeric, can rotate on the outer convex arc surface of three rest shoes assembling on the arbitrary angle of framework, so that sleeve is displaced to another face from a face of triangular prism; Have on the sidewall of sheath body 4a and can bump pearl 8 with adjacent sleeve makes things convenient for clutch.
Being used for making things convenient for the pearl 8 that bumps of clutch between adjacent two sleeves or between rest shoe and the triangular prism is a kind of general clutch part, for example is used for the pearl that bumps between the cupboard body of cabinet and the cupboard door, and its structure can see from Fig. 4 d that it has housing 8b, ball 8a and spring 8c; Wherein ball 8a is surrounded, can not deviate from housing by the housing top, so that its place part can be chimeric with adjacent elements with holes, make by chimeric two adjacent elements under the ball 8a power effect outside again simultaneously (as drawing back the cupboard door) and separate fast, that is ball 8a indentation in housing, spring 8c are shunk.
From Fig. 2 and Fig. 3, see, have on the medial surface of each sleeve 4 it is pushed on the outer convex arc surface 3a ' that can directly be entrenched in triangular prism 2 lightly by the child, and can dialling then rolling transposition on the outer convex arc surface of triangular prism with the child; Each tri-claw disk 3 also all can be in rolling transposition on framework 1 under dial the changeing of child, thereby each rest shoe 3a on it inserts on another triangular prism from a triangular prism respectively; Sleeve 4 is in the rolling transposition on the triangular prism, the rolling transposition of rest shoe 3a on framework 1, and changes sleeve on triangular prism easily, all can give the child again group inscribe and bring convenience, and each rolling transposition is also because of there being the effect accurate positioning of bumping pearl 8.
From Fig. 1, also see, two sleeves arranged side by side on each triangular prism of turning piece, can make one of them replace, also can on triangular prism, replace two whiles around axis 1a transposition on the triangular prism around axis 1a transposition, so that sleeve can insert to from a tri-claw disk of turning piece on another tri-claw disk (for the purpose of convenient narration, to call this transposition in the following text is rotation, represents with the arrow of band dotted line in Fig. 1); Two arranged side by side sleeves also can on the tri-claw disk 3 around the axis rolling transposition of its place axis hole 1b so that sleeve can insert to (to call this transposition in the following text is revolution, represents with the arrow of band solid line) on another triangular prism from a triangular prism of turning piece in Fig. 1.By rotation or the revolution of each sleeve on turning piece, can realize the mathematics arithmetic or organize word with the radical of Chinese character.Shown in Fig. 5 a, it has three numerals 1,2,3 respectively on three sleeves of same tri-claw disk, on the end plate 2a on its right side "+" arranged, then according to numeral of setting in advance with "+" place " 2 " and the clockwise last digit of this numeral " 2 " " 1 " addition, its answer is last digit " 3 " more in the clockwise direction; And for example " 1 " quilt " 3 " goes to be kept to " 2 ".By "+" on the end plate, "-", " * ", " ÷ " symbol with the position on rotation or each face of revolution conversion triangular prism, and change the sleeve of the band numeral on the triangular prism as required or utilize on the same triangular prism two sleeves arranged side by side to form double-digit numeral, can carry out simple arithmetic, so that the child is familiar with mathematical operation.The present embodiment teaching aid can be consulted " riding " word among Fig. 5 b when being used for Chinese character group word.If rotate tri-claw disk 3, except can forming " riding " word, also can form " figured woven silk material ", " chair "; If on two sleeves side by side radical, radicals by which characters are arranged in traditional Chinese dictionaries are arranged all, then during the sleeve on the rotation triangular prism, can form other Chinese character too.
In sum, the teaching aid of present embodiment can directly rotate the tri-claw disk 3 of turning piece or directly rotate in two sleeves arranged side by side on the turning piece triangular prism 2 for the child, perhaps change the sleeve on the turning piece, perhaps change the sleeve on the turning piece simultaneously and dial commentaries on classics tri-claw disk 3 or triangular prism 2, can on turning piece, form new mathematics arithmetic topic of a lot of or the new one by one Chinese character of composition and ask a question and answer it oneself.
For forming numerous mathematics arithmetic topics or making up more Chinese character, the quantity of sleeve 4 can not be lacked, for example the sleeve of band mathematic sign is gone up on the surface, comprises the digital sleeve that has 30 0～9 at least and comprises the mathematic sign sleeve that has "+", "-", " * ", " ÷ "; And have radical of Chinese character on the surface as left and right radicals such as " Ren ", " Dao ", " fore-telling ", " Jie ", " Chi ", " Rolling ", and can with these radicals be made into the sleeve of the right side, left avertence of Chinese character other as " very ", " extremely ", " sunset ", " going ", " temple ", " fourth " more (so that these sleeves be fitted to group turn on, or " lean on " by the rolling transposition of tri-claw disk or triangular prism being formed Chinese character, " to ", " outside ", " but ", " treating ", " beating " etc.), thereby make things convenient for child's assembly to organize out more Chinese character.
Child's teaching aid of embodiment 2, present embodiment mathematics and Chinese character, different is with embodiment 1 for it: be provided with in the framework 1 can realize that arithmetic formula or Chinese Character meaning sight show or electronic circuit board, tri-claw disk 3 and the sleeve 4 of the band single-chip microcomputer of Chinese character pronunciation in all have the contact (failing among the figure to be represented) that is attached thereto, and the center of tri-claw disk has a display screen 5 that can show operation result or word meaning sight, and wherein Fig. 5 a shows correct option, conveniently checks to the child with eye-catching 1+2=3 on display screen 5; Should there be the sight of riding (being showed among this figure) to occur on the display screen among Fig. 5 b.
Child's teaching aid of embodiment 3, present embodiment mathematics and Chinese character, it can also connect the plate of playing chess by data line respectively with two turning pieces, its structure can be seen from Fig. 6, two turning pieces are connected to the plate 6 of playing chess by the interface 1d on it with data line 7 respectively, two detection zone 6a, two loudspeaker 6b, two viewing area 6c, two groups of button 6d are set on the plate face of this plate of playing chess and are positioned at middle sleeve laydown area 6e.
When using the present embodiment teaching aid, the child except change sleeve and hand-held dial to turn to rotate as the process of embodiment 1, embodiment 2 set a question, organize the word, also can select needed function by the button 6d of the function key on the plate of playing chess.For example: when opening the button of computing, the content of promptly carrying out addition subtraction multiplication and division computing, computing shows on display screen, and whether equation is set up the prompting of sounding; When opening the button that mathematics races to be the first to answer a question, select answer, race to be the first to answer a question fast for the child by one group of arithmetic expression that teaching aid is quoted; After opening the button that mathematical knowledge introduces, instrument can be explained some relevant knowledges relevant for mathematics, as the arithmetic rule etc.When needs play, can open the Show Button of display screen, can demonstrate the fastest win board array mode on the display screen, and point out the sleeve of the respective digital that get; For example show on the display screen set of number 2,3 ,+, 7 ,=, display screen can be pointed out and be got numeral 7 this moment, and showed and be left 5.The player plays a card, eats board accordingly according to prompting, game over when forming equation; The many persons of quantity with the composition equation are win person.
If the study that is used for Chinese character can be pressed the switching push button of Chinese character, and the sleeve of being with digital sleeve to be replaced by the band Chinese character is carried out Chinese character assembly group play, play chess as above-mentioned mathematical operation for the recreation of playing chess, and follow finishing of Chinese character group word, occur to explain the sight figure of this Chinese Character meaning on the display screen too.
Child's teaching aid of present embodiment mathematics and Chinese character, can do it yourself to rotate turning piece for the child, replace that sleeve etc. is organized topic, answer, double race to be the first to answer a question etc. carried out begining to learn or review and consolidation of mathematics and Chinese character, make the child obtain the results of learning of getting twice the result with half the effort in the atmosphere of teaching through lively activities, this effect also is difficult to be replaced by existing relevant child's classroom instruction or television teaching.
The above embodiments 2 and embodiment 3 are with radio-frequency card technology wireless identification parts and utilize scm software to realize the combination of mathematics intelligence computing and radical of Chinese character and pronunciation, demonstration.Therefore can play corresponding recording or show different pictures according to the needs of difference study.Its system hardware comprises Single Chip Microcomputer (SCM) system, contact and keyboard button, display screen, voice data library storage system, audio frequency power amplifier and loudspeaker, battery case etc., wherein:
Single Chip Microcomputer (SCM) system: in order to the control whole system operation, other each several part is by the unified control of single-chip microcomputer.It performs mathematical calculations according to the input data signal and the keyboard signal of card reader, searching database, the duty of control audio power amplifier.The D/A digital-to-analog conversion also is the built-in function of single-chip microcomputer, is used for finishing the conversion work of the digital quantity of sound to analog quantity, can become the simulating signal of playing with loudspeaker to the data-switching of forming intelligent formula.
Contact and keyboard button: the contact is used for mathematics that carries out computing and Hanzi component are discerned, and button can be selected mode of operation and corresponding function.
Audio database system: be used for the electronic integrated circuit of stored sound, the digital private chip-stored voice data after compression that utilizes the chip companies by Shenzhen to manufacture and design.
Display screen: be used for Showing Picture and data, it is installed on the turning piece, directly watches for each child.
Audio frequency power amplifier: in order to finish the amplification work of sound, signal is amplified to is enough to promote the power of speaker operation, and finishes the conversion of the electric signal of loudspeaker to sound.
Switch, battery case part: switch is a power switch, and battery case is used for installing in order to the battery of the required power supply of system to be provided.
For the determination methods of the type of the mathematics of sleeve, Chinese character, in the supporting software of the MCU of central circuit plate (microprocessor), finish.Software carries out type identification according to A/D (analog-digital converter) data.
Circuit working principle and connection can be consulted Fig. 7, wherein:
The power circuit part: circuit has the power supply of three batteries, and voltage is 4.5 volts, is connected to circuit of three-terminal voltage-stabilizing integrated (U1) through power switch (S0), uses for the each several part circuit through the power supply (VCC) of 3.3 volts of voltage stabilizing outputs.C10 and C1 are filtering and decoupling capacitor.
The detector circuit part: detecting device is made up of contact and A/D and multichannel electronic commutator.The positive source of A/D connects power supply, and negative pole connects power supply ground, and the contact links to each other with parts, sends into single-chip microcomputer through the A/D data converted.
Button part: (S1～S6) end is parallel-connected to power supply to button, the other end is connected respectively to the IOA14 of single-chip microcomputer, IOA13, IOA12, IOA11 is when IOAl0, IOA9 are pressed respectively when button, changed the level of the corresponding input port of single-chip microcomputer, thereby push button signalling has been input in the single-chip microcomputer.
The sound store system: sound store integrated circuit (U2) uses iic bus to be connected to Single Chip Microcomputer (SCM) system, after receiving address signal, corresponding audio data signal is sent it back in the Single Chip Microcomputer (SCM) system.R6 and R7 are the iic bus pull-up resistor.
Single Chip Microcomputer (SCM) system: single-chip microcomputer integrated circuit (U3) and peripheral circuit are formed, and are respectively crystal oscillating circuit, compositions such as reset circuit.Crystal oscillating circuit is by crystal oscillator and C6, and C7 forms, and reset circuit is made up of R9 and C11.The circuit component of other parts all is to select according to the preferred circuit that single-chip microcomputer producer provides.
The sound amplifying circuit: the sound amplifying circuit is by triode Q1 and R2, R3, and R10, C2 forms.Voice signal by single-chip microcomputer output is delivered to the Q1 base stage, is exported by collector after amplifying.R2 is used for regulating volume.
Display circuit: display circuit is made up of LED dot matrix or LCD, is used for showing operation content.
The dynamic duty principle of circuit is as follows:
After turning on the power switch, lumination of light emitting diode, the Single Chip Microcomputer (SCM) system electrification reset is a working procedure after resetting.
After the insertion of wait parts or rotation, component contact are connected, read in the resistance value data of each parts respectively, the type (1,2 of parts, 3,4 resistance value) be input in the Single Chip Microcomputer (SCM) system, program forms different address signals respectively according to the various combination of insertion parts, send to the sound store circuit, the sound store circuit returns corresponding audio data signal, gives Q1 and amplify after digital-to-analog conversion, promotes loudspeaker and sends corresponding sound; On display, show simultaneously.
If press intelligent computing button then carry out intelligent computing prompting,, select different intelligent operational methods with the LAST button by NEXT if any a plurality of intelligent operational methods.
The child can select different buttons according to the needs of study, carries out the study of mathematics arithmetic or Chinese character.
Claims (3)
1, child's teaching aid of a kind of mathematics and Chinese character, it is characterized in that: it be one comprise one group can be chimeric its go up and the surperficial turning piece that has the sleeve (4) of radical of Chinese character or mathematical character, turning piece comprises the framework (1) of a positive tetrahedron, on the framework chimeric four with framework center (1c) to the line on its four summits be the triangular prism (2) of axis (1a) and interior band center hole (2a), the center of four faces of positive tetrahedron is respectively equipped with a kink connection tri-claw disk (3) in an axis hole perpendicular to this face (1b) and this axis hole, having on each tri-claw disk can be by rotating respectively the rest shoe (3a) of fitting with a cylinder of each triangular prism, also have on each rest shoe and can go up the arc surface that also can on triangular prism (2), carry out rolling transposition (3a ') for chimeric its of each sleeve (4), and all have between two sleeves on the binding face of each rest shoe and triangular prism and each rest shoe can make things convenient for clutch bump pearl (8), the end of each triangular prism is inserted with end plate (2b).
2, child's teaching aid of mathematics according to claim 1 and Chinese character, it is characterized in that: its framework (1) is provided with the display screen (5) that can show mathematics arithmetic formula or Chinese Character meaning sight, Chinese character pronunciation, and is provided with in the framework (1) in electronic circuit board, tri-claw disk (3) and the sleeve (4) of single-chip microcomputer and all has the contact that is attached thereto.
3, child's teaching aid of mathematics according to claim 2 and Chinese character, it is characterized in that: said two turning pieces connect the plate of playing chess (6) by the interface on it (1d) and with data line (7) respectively, have two detection zones (6a), two loudspeaker (6b), two viewing areas (6c), the two groups of buttons (6d) that are provided with symmetric mode on the plate face of this plate of playing chess and be positioned at middle sleeve laydown area (6e), and the interface of the plate of playing chess (6f).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620141316 CN200986750Y (en) | 2006-12-20 | 2006-12-20 | Children teaching aid for mathematics and Chinese characters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620141316 CN200986750Y (en) | 2006-12-20 | 2006-12-20 | Children teaching aid for mathematics and Chinese characters |
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| Publication Number | Publication Date |
|---|---|
| CN200986750Y true CN200986750Y (en) | 2007-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200620141316 Expired - Lifetime CN200986750Y (en) | 2006-12-20 | 2006-12-20 | Children teaching aid for mathematics and Chinese characters |
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| CN (1) | CN200986750Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379217A (en) * | 2019-07-19 | 2019-10-25 | 李春宾 | A kind of word processor and method |
-
2006
- 2006-12-20 CN CN 200620141316 patent/CN200986750Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379217A (en) * | 2019-07-19 | 2019-10-25 | 李春宾 | A kind of word processor and method |
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