120results about "Mechanical appliances" patented technology

In methods and systems for generating secure verification documents are disclosed, a processor that is associated with a multifunction print device will receive one or more source electronic document files, each of which includes content of one or more source documents, each associated with a unique content creator. The processor will cause a print engine of a multifunction device to print a plurality of verification document sheets, each of which comprises data from at least one of the source documents and includes a unique identifier (ID). After printing each verification document sheet, the processor will cause a scanner of the multifunction device to scan the verification document sheet to capture a digital image of the verification document sheet. The processor will then save the digital images of the verification document sheets to a data store.

A balance, having an indicator with clearly marked inequalities, provides feedback to a user where the user determines whether they have created an equality or inequality and whether an adjustment is necessary. Users connect mathematical statements with a correct equality or inequality symbol. The indicator provides users with a physical representation of basic math operations, including addition, subtraction, multiplication, and division, as well as fractions, negative numbers, and algebraic equations. Physical adjustments to the balance system correspond to conventional mathematic / algebraic written representation. Constant cubes include several different sets of unit weight. Other cubes or objects are labeled with colored symbols and are provided in a variety of weights and quantities. Opposite chips are labeled with negative signs; line chips are labeled with “x” and “y.” Combinations of the constant cubes, cubes or objects labeled with colored symbols, opposite chips, and line chips are arranged on removable pans on the balance to teach mathematical functions.

The invention provides a construction site safety training management and control method and system based on behavior recognition, and belongs to the technical field of construction safety training management and control. According to the invention, training legality is ensured based on dual authentication of keynote speaker biological feature verification and trainee historical record determination; synchronously acquiring voice transcription content with a time label and a head lowering and eye closing illegal behavior monitored in real time through a time sequence binding technology; according to the training text, dynamically generating examination question push examination containing counter example interference; generating an authority decision by adopting a triple verification mechanism of answer correct rate benchmark screening, answer question corresponding time period behavior concentration degree verification and trained state mark comparison; and finally, triggering an access control passing green light lightening instruction or intercepting a red light lightening alarm instruction in a second level, synchronously generating a targeted complementary training task binding an original teaching fragment and a real-time behavior record for forced learning, solving the problems of training assessment failure, cheating loopholes and control lag, and realizing real-time conversion of safety training effectiveness to a high-risk area physical authority to form a closed loop.

The utility model discloses a device for preschool education to see pictures and recognize objects, and relates to the technical field of child teaching. The teaching aid comprises a base, the top of the base is fixedly connected with a supporting seat, a supporting column is movably arranged on the top of the supporting seat in a penetrating mode, and the upper end of the supporting column is fixedly connected with a picture-seeing and object-identifying disc. According to the utility model, the worm is rotated clockwise to drive the worm gear to rotate together with the rotating shaft, and the rotating shaft rotates at the moment, so that the supporting column can be driven to move upwards together with the picture-viewing object-identifying disc through the matching of the connecting sliding column and the connecting sliding groove under the guiding action of the telescopic column, and the position heights of the picture-viewing object-identifying disc and the rotating disc are adjusted; the height of the device can be rapidly adjusted, operation is convenient and fast, the magnetic picture board and the magnetic character board are fixed in the containing groove in a magnetic connection mode, personnel can conveniently replace the magnetic picture board and the magnetic character board with different types of pictures and texts according to requirements, and practicability is higher.

A time management tool (100) for children, comprising: a plate (102) having a height, a width and a front surface (119); one or more pivotable rigid flaps (104) hingedly secured to the front surface (119), each flap (104) being marked in association with a different day of a week; one or more repositionable active indicia (108), the one or more repositionable active indicia (108) configured to be positioned on the magnetic surface (105) of the one or more flaps (104); and a hinge mechanism (118) pivotably securing the one or more flaps (104) to the front surface (119) about a pivot axis (176). The hinge mechanism (118) includes a pair of deflectable tabs (136) in contact with the ribs (128) of the one or more flaps (104). The rib (128) is configured to ride on the pair of deflectable tabs (136) and deflect the pair of deflectable tabs (136) when the one or more flaps (104) are pivoted about the pivot axis (176).

The utility model relates to the technical field of teaching equipment, in particular to Chinese pinyin teaching equipment which comprises a showing stand, the middle of the showing stand is in a grid shape and forms a plurality of storage spaces, syllable blocks are clamped in the storage spaces, and a sliding frame capable of sliding up and down is arranged in front of the showing stand. The display rack has the advantages that the middle of the display rack is in the grid shape to form a plurality of storage spaces, the syllable blocks are placed in the storage spaces, the arch-shaped elastic plates are fixedly connected to the two sides of the outer surfaces of the syllable blocks, the syllable blocks can be fixedly installed in the storage spaces through bending of the arch-shaped elastic plates, and installation and disassembly are convenient. The front of the showing stand is connected with the sliding frame in a sliding mode, the sliding frame is a rectangular frame, the syllable blocks can also be clamped in the sliding frame, a teacher can conveniently combine and identify different syllables, the sliding frame can shield other syllables, and interference to the identification process of children is avoided.

An object manipulation system comprising a storage device and a plurality of objects, which are configured to be placed within the storage device and separately taken from the storage device. The object manipulation system helps stimulate cognitive abilities of a user and provide quality of life moments without the need for supervision by allowing the user to arrange the items according to one or more arranging cues. The object manipulation system also helps stimulate blood flow of the hands and arms of the user and provides the added stimulating benefits of exercise and flexibility by enabling the user to bend and manipulate one or more manipulative devices of the system. Particularly, in some embodiments, the plurality of objects are bendable and are able to be bent and manipulated as the objects are taken from the storage device and arranged according to the one or more arranging cues.

We provide AI education tools, server devices, and AI education support devices that can help promote the use of AI in various activities. [Solution] One aspect of the AI ​​educational tool disclosed herein comprises a worksheet formed with a plurality of activity cards, each having an activity content defined thereon; a plurality of AI cards, each having a task that can be supported by AI (Artificial Intelligence) defined thereon; an activity card placement area in which any one of the plurality of activity cards is placed; and an AI card placement area in which a first AI card, from the plurality of AI cards, is placed, the first AI card having a task defined thereon that is applicable to a task that constitutes a first activity content, which is the activity content defined on any one of the plurality of activity cards.

This invention provides a thermochromic learning tool set that allows users to record the process of arriving at the correct answer to a learning problem, as well as the resulting answer, and to erase the written content, while also allowing for repeated exposure and concealment of pre-set correct answers on the learning tool. [Solution] A learning tool set comprising a writing instrument containing a thermochromic writing instrument ink composition which contains a heat-decolorizing reversible thermochromic pigment, which changes from a colored state to a colorless state upon heating, and which retains the colorless state at room temperature, and a learning sheet 13 on which a problem display section 15 and an answer display section 16 corresponding to the problem display section are provided on the surface of the sheet 14, wherein the answer display section contains a heat-developing reversible thermochromic pigment, which changes from a colorless state to a colored state upon heating, and from a colored state to a colorless state upon cooling.

The invention discloses a children twenty-four solar term cognition display auxiliary tool which comprises a base and a supporting table, the supporting table is fixed to the upper end of the base, fixing clamps are rotatably connected to the supporting table and evenly distributed in the circumferential direction, and a display board is fixed to the fixing clamps. A solar term disc and a season disc are arranged in a circle formed by the display boards, the solar term disc and the season disc are fixed to the supporting table, meanwhile, the solar term disc is located between the display boards and the season disc, a touch screen panel is arranged on the side wall of the supporting table, a lifting rod is connected to the middle of the upper end of the supporting table in an inserted and pulled mode, and the lifting rod and the supporting table can rotate relatively. A pointer parallel to the supporting table is fixed to the side wall of the lifting rod. A swing mechanism is arranged at the top in the supporting table and connected with the fixing clamp. The invention belongs to the technical field of children cognition display tools, and particularly relates to a children twenty-four solar term cognition display auxiliary tool.

To provide an arithmetic education support tool which is easy to use and is suitable for teaching arithmetic mainly to infants or children, especially for teaching arithmetic to infants or children with developmental disorder.SOLUTION: The arithmetic teaching aid has a plurality of disks 10 which are different in color on the front and rear and are not inscribed with numerals on either of the front and rear, and all of the disks 10 have diameters from the 25mm part to the 50mm part and are thinner in the peripheral edge parts 12 than the central parts 11. The disk 10 is black on the front and white on the back. The central portion 11 of the disk 10 has a vertically symmetrical curved shape in a front view. The device includes a sheet-like or plate-like mounting body 20 in which squares 21 on which the disk 10 is mounted are formed, and the squares 21 are provided in three columns with two columns and five rows as one unit U.SELECTED DRAWING: Figure 1

The utility model discloses a card device for cognitive ability training, and relates to the technical field of cognitive ability training devices, the card device comprises a plurality of cards, the surfaces of the cards are printed with different patterns for cognitive training, each card comprises a card body and a closed bulge, the closed bulge is integrally fixed at the upper end of the card body, the closed bulge is in a hollow shell shape, and the closed bulge is in a hollow shell shape. The vertical section of the closed protrusion is trapezoidal, and the size of the side, close to the card body, of the closed protrusion is larger than that of the side, away from the card body, of the closed protrusion. According to the utility model, the closed bulge is arranged to be convenient for a practicer to hold, so that a card can be conveniently and quickly taken from the table top, the cognitive ability training efficiency is further improved, and the hollow shell-shaped closed bulge is arranged, so that on one hand, manufacturing materials can be reduced, the manufacturing cost is saved, and on the other hand, the cognitive ability training efficiency is improved. The closed protrusions with the trapezoidal vertical sections facilitate stacking of a plurality of cards, the storage effect is better, and every two adjacent cards are relatively fixed through the corresponding closed protrusions.

The invention belongs to the technical field of teaching display, and particularly relates to a display device for middle vocational English teaching, which comprises a bottom plate A, the side surface of the bottom plate A is hinged with a bottom plate B through a hinge, the side surface of the bottom plate A is provided with a magnetic stripe A, and the side surface of the bottom plate B is provided with a magnetic stripe B; through the structural cooperation, the display mechanism is arranged, and the display mechanism with the environment-adaptive dimming lighting lamp is additionally arranged, so that the lighting lamp can automatically adapt to the ambient light to adjust the brightness no matter the classroom is in the daytime with sufficient natural light, in the cloudy and rainy days with darker light rays or in the indoor dark light environment for self-study at night; english words, phrases, sentence types and other contents on the display card board are always kept in a clear, glare-free and light-reflection-free optimal visual state, students do not need to squint and make close to watch due to light problems, visual fatigue is greatly reduced, the concentration degree is more concentrated, the power of dimming illumination is adjusted according to ambient light requirements, and long-term full-load operation of lamps is avoided.

The utility model discloses an extended infrared memory blackboard, and relates to the technical field of education equipment. The blackboard comprises a main blackboard body, auxiliary blackboard bodies are symmetrically inserted into the two side ends of the main blackboard body in a sliding mode, a first long board is fixedly connected to the position, close to the center, of the top end of the main blackboard body, second long board bodies are symmetrically and fixedly connected to the two side ends of the first long board body, and the second long board bodies and the first long board body are not located on the same level. A first bottom groove is formed in the position, close to the center, of the bottom end of the first long plate, a first infrared light bar is arranged between the side walls of the bottom groove, a first baffle is arranged below the first long plate, the first baffle and the first bottom groove are located on the same horizontal plane, and a second bottom groove is formed in the position, close to the center, of the bottom end of the second long plate. According to the utility model, the electric cylinder I and the electric cylinder II are operated, and then the baffle plate I and the baffle plate II as well as the infrared light bar I and the infrared light bar II are matched with each other, so that the problem that the normal work of the infrared light bar is influenced as the infrared light bar moves along with the auxiliary plate for a long time is solved.

Provide teaching aids for digital learning. 【Solution means】It includes unit cards with numbers and the readings of those numbers. The unit cards include a plurality of single - unit cards 10 with numbers from 1 (one, ichi) to 9 (nine, kyu / ku) written on the upper part and the readings written on the lower part; a plurality of ten - unit cards 20 with a number in the tens place where the first digit is from 1 (one, ichi) to 9 (nine, kyu / ku) and the remaining digits are 0 (zero, rei) written on the upper part and the reading written below the first digit; a plurality of hundred - unit cards 30 with a number in the hundreds place where the first digit is from 1 (one, ichi) to 9 (nine, kyu / ku) and the remaining digits are all 0 (zero, rei) written on the upper part and the reading written below the first digit; a plurality of thousand - unit cards 40 with a number in the thousands place where the first digit is from 1 (one, ichi) to 9 (nine, kyu / ku) and the remaining digits are all 0 (zero, rei) written on the upper part and the reading written below the first digit; a plurality of ten - thousand - unit cards 50 with a number in the ten - thousands place where the first digit is from 1 (one, ichi) to 9 (nine, kyu / ku) and the remaining digits are all 0 (zero, rei) written on the upper part and the reading written below the first digit. When at least two or more of the single - unit cards to ten - thousand - unit cards are arranged in units, the readings of each unit card are arranged out of alignment with each other, forming the reading corresponding to the number combined by each unit card. This enables children to utilize the units to read numbers and easily acquire the magnitude of the numbers.

The utility model discloses an English teaching vocabulary display device which is characterized in that a telescopic rod is arranged on the upper end face of a bottom plate and comprises a fixed rod and a movable rod, the movable rod is slidably connected with the fixed rod and is exposed out of the upper end of the fixed rod, an adjusting part is arranged in the fixed rod, a mounting plate is arranged above the bottom plate, and the lower end of the fixed rod is connected with the bottom plate; the upper end of the movable rod is connected with the mounting plate; supporting plates are symmetrically arranged on the upper end face of the mounting plate, a connecting rod is arranged between the upper ends of the supporting plates, mounting blocks are evenly and rotationally connected to the connecting rod and are in a polygon prism shape, and each side face of each mounting block is provided with a positioning component and a card positioning groove. The vocabulary card has the advantages that roots, prefixes and suffixes forming vocabularies can be displayed, new vocabularies can be formed according to the word forming rule, students can understand and memorize the vocabularies conveniently, and meanwhile the fixing effect of the vocabulary card is better.

The invention relates to the technical field of science popularization demonstration, in particular to a half-life period demonstration device and a half-life period demonstration method. The device comprises a base body, a plurality of vertically-arranged demonstration cavities are formed in the table top of the base body, magnetic jumping blocks are arranged in the demonstration cavities, the visual states of the top faces and the bottom faces of the magnetic jumping blocks are different, and the magnetic pole directions of the top faces and the bottom faces of the magnetic jumping blocks are opposite; an electromagnet is arranged under each magnetic jumping block, all the electromagnets can be controlled by a controller to switch the magnetic pole direction, and when the controller controls part of the electromagnets to switch the magnetic pole direction, the part of the electromagnets and the bottom faces of the magnetic jumping blocks are magnetically repelled to drive the magnetic jumping blocks to jump and turn over. Therefore, radioactive decay of part of atomic nucleuses in the elements is demonstrated. According to the invention, by combining the action of a mechanical structure, the nuclear decay process and rule can be dynamically and visually displayed, so that the double problems of non-visual teaching and weak science popularization display can be solved.

System and methods including a set of mathematical manipulatives that are designed to demonstrate the properties of logarithms and exponents are provided. A system that facilitates instruction in the logarithms, the system includes a set of manipulatives including at least one manipulative, each manipulative having a length proportional to a logarithm of a number labeled on the manipulative, the set of manipulatives are positionable end to end; and a measurement tool having markings for measuring a plurality of multiples of at least one manipulative; wherein, when one or more manipulatives are positioned end to end, a product of the numbers labeled on the manipulatives positioned end to end equals the number on a manipulative that has the same length as a total length of manipulatives positioned end to end.

High-precision motion analysis, performance diagnostics for skiers, mapping of biomechanical processes. Connecting with friends. All this and much more is possible with embedded AI. By combining IMU, DMS, GPS, and microphone sensors on a single circuit board with a chip, unprecedented measurement data can be captured. This combination is unique! The S+K module attaches directly to the ski, snowboard, or bicycle. It is powered by a solar panel or battery. The previously acquired sensor data is analyzed using intelligent algorithms within a big data analysis framework. Machine learning and pattern recognition methods are employed to identify relevant correlations, trends, and deviations from the vast amount of raw data. The essential information extracted in this way forms the basis for the embedded AI.

A map-based device with movable elements that allows a child or person with a disability to choose a route from point A to point B, using movable elements that display photos of food offered by a restaurant or other establishment. (Abstract figure: Figure 1)

The invention discloses an MOOC course random topic generation and learning effect evaluation method, system and device and a medium, and the method comprises the steps: carrying out the transcription of audio content in a teaching video through calling a voice recognition Whisper model, and generating text data with a timestamp; on the basis of the transcribed text data, key knowledge points and learning key points in the video are dynamically extracted by using a pre-trained large language model, random questions conforming to a teaching target are generated, question setting time is assigned for each question, and the timeliness of the questions and video content is ensured to be matched with the learning state of students; and according to the real-time learning progress, the answering performance and the video content of the student, the course completion condition of the student is monitored and evaluated in real time. According to the method, the questions are dynamically generated by using the large language model, synchronous matching of learning contents and evaluation is realized, and the teaching flexibility and the learning effect are improved. The method can be widely applied to the field of online education and intelligent teaching.

The present invention improves upon established methods for learning foreign languages. The invention as disclosed and claimed provides an educational system that is easily mobile, unlike traditional bulky textbooks, is visually-based, unlike common audio-based language instruction, and involves a wearable component. The invention encompasses educational kits comprising sets of paired learning items, such as stickers or nail decals that can be affixed to or worn on the hands. The paired learning items can be paired stickers, decals, buttons, emblems, tags, tapes, caps, stamps, tags, labels, tokens, tabs, papers, stubs, nail wraps, and other small items that can be affixed to the hands by appropriate means.

Provide a system. 【Solution means】 An information processing device that automatically generates a learning plan based on the user's skill level and learning goals, A device that provides educational information in an interactive format according to the learning plan, A device that generates a response using natural language processing based on an input from a user, A device that monitors the user's learning progress in real time and provides feedback according to the progress and degree of achievement, A device that translates learning information to support multiple natural languages, A device that provides learning content to support skill improvement in the user's in-home activities, A device that guides the progress of in-home work according to the user's skills, A learning support system including the above.

Disclosed are a method and a device for playing music by using blocks. The music playing method using at least one blocks, which is performed by the music playing device according to an embodiment of the present disclosure, may include capturing an image including the at least one or more blocks through a reception device mounted on the music playing device, recognizing the captured at least one or more blocks by using a trained deep learning neural network model, determining an arrangement structure of the recognized blocks, and playing the music at the music playing device, based on the determined arrangement structure.

The present invention relates to a functional learning intelligence toy block for an infant, which can be used for a play device in which multiple magnetic toy blocks are connected and, more specifically, to a functional learning intelligence toy block for an infant, which is a very useful invention, whereby multiple magnet blocks are configured such that a space into which a magnet can be inserted is formed in an inner edge portion of a body of each of the blocks and a spherical or cylindrical magnet is coupled and configured to be freely movable in each space thereof, and thus, the magnet inside the body is configured to cause by itself an attractive force to be applied between two magnets by means of a repulsive force with respect to an adjacent magnet so that, when assembling various types of sculptures using the bodies of the blocks, the magnets placed in respective internal magnetic spaces of the bodies in contact with each other attract each other by magnetic force to allow the bodies to be detachably connected to each other.