Classifications

• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
  • G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
  • G09B1/02—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements
  • G09B1/04—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols
  • G09B1/06—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols and being attachable to, or mounted on, the support
• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
  • G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
  • G09B1/02—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements
  • G09B1/16—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time
  • G09B1/18—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time the elements being rotatable
  • G09B1/20—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time the elements being rotatable and bearing the symbols on a surface parallel to the axis of rotation
• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
  • G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
  • G09B1/02—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements
  • G09B1/04—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols
  • G09B1/06—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols and being attachable to, or mounted on, the support
  • G09B1/08—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols and being attachable to, or mounted on, the support by means of magnets
• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
  • G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
  • G09B1/02—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements
  • G09B1/04—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols
  • G09B1/06—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols and being attachable to, or mounted on, the support
  • G09B1/10—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols and being attachable to, or mounted on, the support by means of pins and holes
• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
  • G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
  • G09B1/02—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements
  • G09B1/04—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols
  • G09B1/06—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols and being attachable to, or mounted on, the support
  • G09B1/14—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols and being attachable to, or mounted on, the support the elements being slidably mounted on the support
• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
  • G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
  • G09B1/02—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements
  • G09B1/16—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time
• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
  • G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
  • G09B1/02—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements
  • G09B1/16—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time
  • G09B1/18—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time the elements being rotatable
• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
  • G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
  • G09B1/02—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements
  • G09B1/16—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time
  • G09B1/28—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time the elements being slidable
• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
  • G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
  • G09B1/02—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements
  • G09B1/30—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements wherein the elements are adapted to be arranged in co-operation with the support to form symbols
• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
  • G09B19/00—Teaching not covered by other main groups of this subclass
  • G09B19/06—Foreign languages

Definitions

• the present invention relates to a self-correcting device suitable in particular for learning a grammar rule of a Romance language.
• the invention also relates to a self-correcting method implementing the device according to the invention.
• One aim of the invention is in particular to remedy all or part of the aforementioned drawbacks.
• a self-correcting device comprising:
• the objects are cylinders with a circular base
• the support is a base having a longitudinal direction
• the support being provided with a groove formed along the longitudinal axis arranged to receive successively, in the longitudinal direction of the base, removably, at least partially, each of the cylinders when the generator of the cylinder is disposed parallel to said longitudinal direction of the base, the longitudinal groove being arranged to receive the cylinders mounted free to rotate, the drive means being driven in rotation by a crank.
• the means for selecting an angular position may have a single, or more, mated relative angular positions.
• the device according to the first aspect of the invention may include several selection means, arranged at different distances from an axis of rotation of the object.
• the means for locking in rotation in a predetermined angular position of a determining object may for example be formed of a pin and a notch.
• the means for blocking in rotation in a predetermined angular position of a determining object can be formed of complementary magnetic means.
• the means for selecting an angular position is formed by magnetic means cooperating with one another.
• a self-correcting method suitable for learning a Romance language, comprising a step of selecting a angular position of a first object relative to a second object by a selection means, said selection means applying a resistive torque Cr between said first object and said second object, said two objects having a relative angular position called coupled in which the resistive torque is greater than the drive torque M and a relative angular position called uncoupled in which the resistive torque is less than the drive torque M.
• Figure 1 is a perspective view of a preferred embodiment of a self-correcting device according to the invention.
• Figure 2 is a cross section of the embodiment of Figure 1;
• Figure 3 is a perspective view of a second embodiment of a self-correcting device according to the invention.
• Figure 4 shows another embodiment of a means for selecting an angular position of a first object relative to a second object
• Figure 5 is a perspective view of a third embodiment of a self-correcting device according to the invention.
• This machine allows the user, mainly children, to manipulate and experiment with sentence construction without the help of an adult.
• the self-correcting nature of the machine allows autonomous and deductive use.
• variants of the invention comprising only a selection of characteristics described, subsequently isolated from the other characteristics described, if this selection of characteristics is sufficient. to confer a technical advantage or to differentiate the invention from the state of the prior art.
• This selection includes at least one feature, preferably functional without structural details, or with only a part of the structural details if only this part is sufficient for to confer a technical advantage or to differentiate the invention from the state of the prior art.
• FIG. 1 a first embodiment of a self-correcting device according to the invention, suitable in particular for learning a grammar rule of a Romance language.
• a self-correcting method, suitable in particular for learning a grammar rule of a Romance language, according to the invention is described together with the self-correcting device.
• the device comprises a support, here a base 2 of generally cylindrical shape in a longitudinal direction.
• the device comprises a plurality of objects which can be rotated, here three cylinders, or rollers, numbered 3a, 3b, 3c.
• the device could include two or more rollers.
• the cylinders can be made of wood and / or can contain, or even be made of, any other sufficiently rigid material such as plastic, metal or ceramic.
• Each of the rollers 3a, 3b, 3c is cylindrical in shape, for example with a circular base.
• roll 3a can present up to four distinct azimuths the words “the cat”, “the cat”, “the cats” and “the cats", and the roll 3b can present the words “black”, “black. ",” Black ",” black ".
• the objects that can rotate are cylinders about 5 times their diameter, with alternative words written on each of the four azimuths.
• the objects which can rotate can be disks with the alternative words written on one side.
• the objects can be cylinders with a non-circular base, but having a constant diameter, like the figures of Reuleaux.
• the stimuli can be visual, tactile or even olfactory. Texts are visual stimuli, while Braille writing can provide tactile stimulus.
• olfactory stimuli to associate fragrances with other stimuli, olfactory or not.
• the base 2 has a main longitudinal groove 9 arranged to receive, successively along the longitudinal axis of the base, at least partially each of the rollers 3a, 3b, 3c.
• rollers are received in the groove of the base so that their longitudinal axis is parallel to the longitudinal direction of the base.
• the self-correcting device comprises a groove 5 formed along the longitudinal axis arranged to receive successively, along the longitudinal direction of the base, in a removable manner, at least partially, each of the rollers when the generator of the cylinder is arranged parallel to said longitudinal direction of the base. .
• rollers 3b and 3c are free to rotate and their generatrices are parallel to the longitudinal direction of the base.
• the support is a pedestal comprising a recess of a shape such that the cylinders are held in an approximately coaxial arrangement, and only one of the alternate words on each cylinder is highlighted.
• the support holds cylinders side by side.
• the holder includes a partial cover, so that only one of the alternative words is visible.
• Roll 3a is a so-called master or determining roll.
• the rollers 3b and 3c are so-called determined or determining rollers.
• the master roll 3a can be locked in rotation by engaging one or more pegs 6 in notches 7 formed in the master roll 3a.
• the multiplicity of notches allows a choice between several orientations of the determining roller 2b, each of the orientations corresponding to one or more words.
• the pegs 6 and notches 7 form a means of selecting an angular position of a determining cylinder.
• the rotation locking device is mechanical.
• the rotation locking device can also be achieved with magnets, or any other method of temporary attachment such as the use of Velcro.
• the device 1 comprises means for selecting an angular position of a first object with respect to a second object, the selection means applying a resistive torque Cr between said first object and the second object.
• the means for selecting the objects have a relative angular position called coupled and a relative angular position called uncoupled. In the coupled relative angular position, the resistive torque is greater than in the uncoupled relative angular position.
• the means for selecting the angular position is formed of one or more magnets 8, arranged at each end of a roller, forming a group of magnets.
• the group of magnets serves to block the relative rotation of two adjacent rollers so that their azimuths, taken with respect to a common reference, are equal.
• the magnets 8 include in particular the magnets 7a arranged on the roller 3a and the magnets 8b arranged on the roller 8b.
• the polarities of the magnets 8a and 8b are chosen so that an attractive force exists between the magnets 8a and 8b, which makes it impossible to select an azimuth of the roll 3b based on the azimuth of the roll 3a. It is the same for the rollers 3b and 3c.
• the angular selection means comprises magnets arranged on the cylinders. This angular selection means can also be achieved by any other device which is in a minimal state of energy when the objects are aligned.
• the magnets 8a include a magnet 8a1 and 8a2, diametrically opposed.
• the cylinder 4 carries corresponding magnets 8b1 and 8b2 (not shown) cooperating with the magnets 8a1 and 8a2.
• the magnets 8a1 and 8a2 are of opposite polarities, for example positive and negative respectively
• the magnets 8b 1 and 8b2 are also of opposite polarities, respectively negative and positive.
• magnets 8a1 and 8a2 are on different radii of the cylinder with a circular base. More generally, they are at a different distance from an axis of rotation of the constant diameter cylinder. This arrangement facilitates the rotation of cylinder 4 relative to cylinder 3 in positions where one would seek to bring together, if the distances were identical, two magnets of identical polarities which should face each other at a time.
• the means for selecting an angular position has a single relative angular position coupled.
• the means for selecting an angular position has several coupled relative angular positions. This makes it possible, for an angular position of a determining object, to match several angular positions of a determined object.
• the base further comprises a housing for an axis arranged to receive an axis 9 in the longitudinal direction.
• the rollers rest on the axis 9, in such a way that a rotation of the axis causes a rotation of the rollers if the latter are free, the movement being transmitted by the friction between the axis 9 and the rollers.
• the relationship between this frictional force and the magnetic force between the magnets is such that the magnets 8 only prevent the relative rotation of one roller with respect to the other when the rollers are aligned.
• axis 9 directly drives each of the rollers according to the principle of friction wheels.
• Axis 9 and each of the rollers in fact form two cylindrical wheels.
• the two cylindrical wheels are in contact on a generator.
• the friction in contact with the two wheels transmits power from axis 9 which forms the driving wheel to each of the rollers, each of the rollers forming a receiving wheel.
• the transmitted power is therefore limited by friction.
• the device 1 is provided with a drive means 10 in rotation of the axis 9, a crank 10 in the example shown.
• the axis 8 can be retained in translation by a nut.
• the drive means 10 has a drive torque M of the objects which is predetermined.
• the resistive torque is calibrated so as to verify the relation exposed above.
• the device 1 is furthermore provided with partitions 11 disposed transversely to the longitudinal direction, in transverse grooves 12. Thus, the translation of the rollers 3a, 3b, 3c, on either side of the longitudinal direction, is stopped.
• the means for selecting a predetermined angular position prevents rotation of a cylinder into a well-spelled position relative to a cylinder itself in a well-spelled position.
• the mis-tuned words placed on specific cylinders, are rotated by the crank 9 until the correct face is visible, after which the mis-tuned word is no longer driven in. rotation, due to the means for selecting an angular position.
• This machine allows the user, mainly children, to manipulate and experiment with sentence construction without the help of an adult.
• the self-correcting nature of the machine allows autonomous and deductive use.
• the means for selecting an angular position of a determining cylinder formed by a pin and a notch is formed by magnetic means 6 'and 7' cooperating between them.
• the magnetic means 6 has a single magnet housed in the base of the device 1’ and has a positive polarity
• the magnetic means 7 comprises several magnets housed radially in the cylinder 3a, all having a negative polarity.
• magnets must be several times stronger than magnets 8.
• FIG. 4 shows another embodiment of a means 8c, 8d for selecting an angular position of a first object relative to a second object.
• the figure represents three cylinders 3d, 3e, 3f.
• the two objects 3e and 3f are in a coupled position.
• the two cylinders 3d and 3e are in a coupled position.
• the selection means 8c and 8d determine complementary side surfaces for the cylinders 3d, 3e and 3f which can cooperate with each other according to a single relative angular position of two cylinders to reduce to a minimum, if this is cancel, the space between the two cylinders.
• the selection means further include the springs 8e and 8f which work in compression and which are arranged to tend to bring the objects together.
• the selection means may not include the springs 8e and 8f, the gravitational field pressing the upper cylinder against the lower cylinder.
• Figure 5 shows a third embodiment of a device according to the invention, only described for its differences from the first embodiment, and which can implement certain characteristics of the second embodiment.
• the device comprises a plurality of objects which can be rotated, here three cylinders, or rollers, numbered 3a “, 3b", 3c ".
• the rollers are not arranged along the same axis of rotation, but side by side, along their generators.
• Roll 3a is a so-called master or determining roll.
• the rolls 3b ”and 3c” are so-called determined or determining rollers.
• the master roll 3a can be locked in rotation in several ways, as seen above.
• the means for selecting the position include in particular the magnets 8a ”arranged along a transverse diameter of the roll 3a 'and the magnets 8b”, respectively 8c ”, each arranged on a transverse diameter of the roll 3b”, respectively 3c ”.
• the polarities of the magnets 8a ”and 8b” are chosen so that an attractive force exists between the magnets 8a ”and 8b”, which prevents the selection of an azimuth of the roller 3b ”according to the azimuth of the roller 3a ”.
• the means for selecting an angular position has a single relative angular position coupled.
• rollers rest on a 9 ”axle, so that a rotation of the axle causes the rollers to rotate if they are free, the movement being transmitted by the friction between the 9 axle and the rollers.
• the relationship between this frictional force and the magnetic force between the magnets is such that the magnets 8 only prevent the relative rotation of one roller with respect to the other when the rollers are aligned.
• the axis of rotation 9 is not perpendicular to the longitudinal direction of the rollers in order to present a non-zero moment in the longitudinal directions of the rollers.
• the different embodiments of this device according to the invention allow the user, mainly children, to manipulate and experiment with the construction of sentences without the help of an adult.
• the self-correcting nature of the machine allows autonomous and deductive use.

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• Engineering & Computer Science (AREA)
• Business, Economics & Management (AREA)
• Physics & Mathematics (AREA)
• Educational Administration (AREA)
• Educational Technology (AREA)
• General Physics & Mathematics (AREA)
• Theoretical Computer Science (AREA)
• Entrepreneurship & Innovation (AREA)
• Toys (AREA)
• Electrically Operated Instructional Devices (AREA)
• Control Of Position Or Direction (AREA)
• Orthopedics, Nursing, And Contraception (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=69190851

Family Applications (1)

Country Status (5)

Families Citing this family (2)

Family Cites Families (10)

• 2019
  • 2019-07-24 FR FR1908380A patent/FR3099283B1/fr not_active Expired - Fee Related
• 2020
  • 2020-07-24 US US17/629,536 patent/US20220246050A1/en not_active Abandoned
  • 2020-07-24 CA CA3148619A patent/CA3148619A1/fr not_active Abandoned
  • 2020-07-24 EP EP20756915.3A patent/EP4004896A1/de not_active Withdrawn
  • 2020-07-24 WO PCT/FR2020/051361 patent/WO2021014107A1/fr not_active Ceased

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