EP3684630A1 - Pointe flexible d'instrument d'ecriture pour la reconnaissance numerique de l'ecriture - Google Patents
Pointe flexible d'instrument d'ecriture pour la reconnaissance numerique de l'ecritureInfo
- Publication number
- EP3684630A1 EP3684630A1 EP17784690.4A EP17784690A EP3684630A1 EP 3684630 A1 EP3684630 A1 EP 3684630A1 EP 17784690 A EP17784690 A EP 17784690A EP 3684630 A1 EP3684630 A1 EP 3684630A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tip
- writing
- writing instrument
- arm
- connecting member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K29/00—Combinations of writing implements with other articles
- B43K29/08—Combinations of writing implements with other articles with measuring, computing or indicating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K8/00—Pens with writing-points other than nibs or balls
- B43K8/02—Pens with writing-points other than nibs or balls with writing-points comprising fibres, felt, or similar porous or capillary material
- B43K8/028—Movable closure or gate
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03545—Pens or stylus
Definitions
- the invention relates to the field of writing instruments, such as pens. It relates more particularly to a writing instrument tip, intended in particular for the recognition of the graphic gesture for the digitization of writing.
- some writing instruments include a tip delivering ink to one end of the writing instrument, and a stylus connected to a sensor for digital recognition of writing, located at the opposite end of the writing instrument.
- Other writing instruments combining the two functions comprise a single point allowing both the ink delivery and the digital recognition of the writing.
- the writing experience is lessened for the user, who is forced to return the pen frequently to use the ink write function and the digital recognition function of the writing.
- the fact that the same tip allows to perform both functions has the consequence that ink delivered during ink writing remains on the tip during digital recognition of the writing.
- the presence of this ink can damage or stain the digital recognition support of writing, which is most often the screen of a tablet or a phone.
- the use of a special ink or the presence of a specific ink delivery device becomes necessary. It is no longer possible to use standardized ink cartridges, in addition to increasing the volume of the writing instrument. Finally, these devices do not prevent any risk of ink subsistence on the tip.
- a writing instrument with two distinct points to perform the functions of conventional writing and digital recognition of the writing, but do not alter its writing experience.
- Also known from the prior art writing instruments comprising a plurality of retractable tips.
- the associated mechanisms occupy an important place in the writing instrument. This prevents the placement of electronic components related to the recognition of the graphic gesture, unless significantly increase the volume of the body of the writing instrument, which alters the writing comfort for the user and the aesthetics of the writing instrument.
- These conventional mechanisms are therefore not suitable for writing instruments combining a conventional ink-writing function and a graphic gesture recognition function for digitizing the writing.
- the invention therefore aims to overcome these disadvantages by providing a writing instrument tip to be disposed in a writing instrument tip, comprising a writing tip and a connecting member to the writing instrument, the writing tip and the connecting member being connected by at least one arm, characterized in that the writing tip comprises a conical portion provided with a vertex and a beveled portion defining a free surface opposite to the top of the conical portion, and in that said at least one arm is of elastically deformable material and configured to allow a displacement of the writing tip relative to the connecting member when a force is applied on the free surface in a direction transverse to said free surface.
- the tip according to the invention comprises a beveled portion defining a free surface opposite to the conical portion and that the arm of the tip is deformed so as to allow a movement of the writing tip relative to to the connecting member when a transverse force is applied to the surface free, it is possible to accommodate the writing instrument tip according to the invention with a conventional tip in the tip of a writing instrument. Indeed, it can be expected that during its race out of the writing instrument, the pre-existing tip will exert a force on the free surface so as to cause a movement of the tip according to the invention which will deviate on its passage.
- the invention can also be used in combination with a writing tip of another nature, such as a felt tip, a pencil tip, a mechanical pencil ... etc.
- the displacement of the writing tip is a translation of the writing tip in a radial direction relative to an axis of revolution of the conical portion.
- the arm is a blade comprising, at its end closest to the writing tip, a straight portion, and at its opposite end, a curved portion defining a concavity.
- the blade shape gives the arm flexibility to facilitate the movement.
- the concavity allows to define a volume in which can accommodate another tip of the writing instrument.
- the conical portion of the writing tip being provided with a base, the beveled portion is projecting from the base of the conical portion.
- the arm is an extension of the beveled portion.
- the connecting member comprises a connecting ring integral with the arm, the bore of the connecting ring having a diameter allowing the passage of a portion of another tip of the writing instrument.
- This particular configuration reduces the volume occupied by the assembly formed by the tip according to the invention and a pre-existing tip of a writing instrument.
- the surface of the connecting ring serves to support the tip on another element of the writing instrument. This element can for example be associated with a force sensor.
- the connecting ring comprising an outer wall
- the arm is integral with the outer wall and extends said outer wall.
- the connecting member comprises a connecting bore formed at an end of the arm opposite to the writing tip.
- This particular configuration reduces the volume occupied by the assembly formed by the tip according to the invention and a pre-existing tip of a writing instrument.
- the bore may receive a pin belonging to another element of the writing instrument. This element can for example be associated with a force sensor.
- the writing tip is made of a polymer material, for example polyoxymethylene.
- Polymeric materials are indeed used in a conventional way to make pens for digital recognition of writing, because they avoid scratching the writing media that are the screens.
- Polyoxymethylene is particularly easy to machine or mold and has mechanical characteristics suitable for this purpose.
- the material of the writing tip is charged with particles made of an electrically conductive material, for example carbon. The fact of adding such particles to the polymer material in which the tip is made makes it electrically conductive for certain applications, such as when associated with a force sensor.
- the arm is made of material with the writing tip.
- the arm is also made of polymeric material, and preferably polyoxymethylene, which may for example be loaded with carbon particles.
- This material is indeed well adapted to obtain an elastically deformable arm of so as to allow a displacement of the writing tip relative to the connecting member when a force is applied to the free surface in a direction transverse to said free surface.
- the arm is made of a material distinct from that of the writing tip.
- the writing instrument tip is a tip of a stylus for the recognition of the graphic gesture for the digitization of the writing.
- the invention also relates to an assembly formed of a writing instrument and a writing instrument tip, characterized in that the tip is according to the invention.
- the writing instrument extending along a longitudinal axis, the displacement of the writing tip relative to the connecting member is a radial displacement relative to to the longitudinal axis of the writing instrument.
- FIG. 1 is a perspective view of a writing instrument tip according to a first embodiment of the invention
- Figure 2 is a side view of the writing instrument tip of Figure 1
- FIG. 3 is a perspective view of the writing instrument tip of FIG. 1 housed in a writing instrument tip, shown in section, and a writing instrument tip according to FIG. prior art, the writing instrument tip according to the invention being in a first configuration
- FIG. 4 is a view similar to FIG. 3, in which the writing instrument tip according to the invention is in a second configuration
- Figure 5 is a perspective view of a writing instrument tip according to a second embodiment of the invention
- FIG. 6 is a side view of the writing instrument tip of Fig. 5;
- Figure 7 is a perspective view of a writing instrument tip according to a third embodiment of the invention;
- Figure 8 is a side view of the writing instrument tip of Figure 7;
- Fig. 9 is a view similar to Fig. 8, the writing instrument tip being in a write configuration;
- Fig. 10 is a perspective view of a writing instrument tip according to a fourth embodiment of the invention;
- Figure 11 is a view similar to Figure 10 according to another angle of view.
- FIGS. 3 and 4 are illustrated a writing instrument tip 20 according to a first embodiment of the invention.
- the writing instrument tip 20 is intended to be disposed in a writing instrument tip 21, visible in FIGS. 3 and 4, which is itself intended to be inserted into a writing instrument body (not shown in the figures).
- the writing instrument tip 20 is, in the embodiments shown in the figures, a stylus tip for recognizing the graphic gesture for digitizing the writing.
- the writing instrument tip 20 comprises a writing tip 22 and a connecting member 24 to the writing instrument, connected by a arm 26.
- the writing tip 22 comprises a conical portion 28, preferably of revolution, provided with a base 30 and a top 32.
- the top 32 is the part of the writing tip 22 intended to be contact with a writing medium, which may for example be a screen of a tablet, a telephone, etc.
- a writing medium which may for example be a screen of a tablet, a telephone, etc.
- the conical portion 28 is preferably made of polymeric material. Polymeric materials are indeed used in a conventional way to make pens for digital recognition of writing, because they avoid scratching the writing media that are the screens.
- the polymer chosen will be polyoxymethylene, which is easy to machine or to mold and has mechanical characteristics adapted to the forces experienced by the writing tip 22. For some applications, especially when the instrument tip d 20 is associated with a force sensor as will be seen later, will be added to the polyoxymethylene particles to make the write tip electrically conductive.
- the writing tip 22 further comprises a bevelled portion 34 defining a free surface 34S opposite the apex 32. More particularly, the bevelled portion 34 projects from the base 30 of the conical portion 28.
- the 34S free surface is substantially flat to facilitate the application of a force on this surface. It defines an angle with the base 30 of the conical portion 28 which is between 40 and 50 degrees. In the embodiment illustrated in Figures 1 to 4, the free surface 34S is delimited by a substantially parabolic contour 34C.
- the arm 26 connecting the writing tip 22 to the connecting member 24 is, in the embodiment illustrated in Figures 1 to 4, an extension of the bevelled portion 34.
- it is integral with the bevelled portion 34.
- the writing instrument tip 30 will preferably be injection molded.
- the writing tip 22 and the arm 26 are made of different materials and assembled.
- the arm 26 may for example be made of an electrically conductive metal material such as steel or aluminum, which has the advantage of being sufficiently flexible and resistant for this purpose.
- the arm 26 is elastically deformable so as to allow a displacement of the writing tip 22 relative to the connecting member 24 when a force is applied on the free surface 34S in a direction transverse to this surface.
- the blade 26 comprises, at its end closest to the writing tip 22, a straight portion 35, and at its opposite end, a curved portion 36 defining concavity 37.
- the concavity 37 defines a space provided to accommodate another writing tip, as will be described later.
- the transition between the straight portion 35 of the blade and the curved portion 36 of the blade is continuous.
- the section of the curved blade 26 is in this first substantially triangular embodiment.
- the curved blade 26 thus comprises an outer face 38, that is to say facing oppositely to the free surface 34S, substantially flat, and an inner face 39, that is to say oriented in a manner opposite to the free surface 34S, chamfered.
- the section of the curved blade 26 may however be different, for example substantially rectangular as in the second embodiment illustrated in Figures 7 and 8 which will be described later.
- a first end of the blade 26, which is the end of the right portion 35 is connected to the writing tip 22, in this case to the beveled portion 34 which is an extension.
- the other end of the blade 26, which is the end of the curved portion 37, opposite the writing tip 22, is connected to the connecting member 24.
- the connecting member 24 comprises a connecting ring 40 integral with the arm 26.
- the curved portion 37 is connected to the connecting ring 40. More specifically, the connecting ring comprising an outer wall 40E, that is to say the wall of the ring 40 which is opposite the bore 42 of the ring, the arm 26 is integral with the outer wall 40E and extends said outer wall 40E.
- the curved portion 37 thus extends the outer wall 40E of the connecting ring 40.
- the diameter of the ring 40 will preferably be chosen so that the outer wall 40E is flush with the inner wall of the base of the nozzle 21, that is to say that it will be close to that of the base of the nozzle 21.
- the diameter of the bore 42 of the ring is chosen to allow the passage of a portion of the conventional tip 44 of writing instrument delivering for example ink.
- the writing instrument tip 20 is configured so as to be able to accommodate it, with a conventional tip 44 of writing instrument delivering ink, in the The tip of a writing instrument 21.
- the writing instrument tip 21 is here a conventional tip of substantially conical shape, provided at its apex with a through hole 46.
- the tip 21 is of annular shape and is for example provided with a screw thread 48 on its periphery for attachment to a writing instrument body.
- it can be provided that such a tip 21 is connected to the writing instrument body in another way, for example by being inserted by force.
- the tip 21 delimits an interior volume V in which is housed both the writing instrument tip 20 and the conventional tip 44.
- the conventional tip 44 illustrated in Figures 3 and 4 is known per se from the prior art. It comprises an ink-writing tip 50, which may for example comprise a ball 51, and an ink tank 52, the ink-writing tip 50 forming an extension of the tank 52.
- the conventional tip 44 is not necessarily in ink. It may include a tip of felt, pencil, a pencil ... etc.
- the tank 52 is here cylindrical in shape and its section has a constant diameter over its entire length.
- the conventional tip 44, or cartridge could comprise a variation in the diameter of the section of its tank 52, for example the end of the tank 52.
- the reservoir 52 is inserted into the bore 42 whose diameter is selected for this purpose .
- the bore 42 is of diameter greater than the diameter of the section of the reservoir 52.
- the diameter of the bore 42 is provided so that the end of the reservoir 52 closest to the ink writing tip 50 can pass into the bore 42.
- the connecting ring 40 is connected to a receiving member 54 of the writing instrument, so as to be integral in translation with the receiving member 54.
- the receiving member may in particular be part of or be directly connected to a force-sensitive force sensor exerted by the surface d writing in response to the pressure exerted by the user on this surface via the writing tip 22.
- the receiving member comprises a ring (we speak of receiving ring) of outer diameter substantially identical to that of the connecting ring 40. Furthermore, the diameter of the bore 56 of the receiving ring 54 allows to introduce the conventional tip 44.
- FIG. 3 illustrates the configuration of the assembly formed of the writing instrument tip 20, the conventional tip 44 and the tip 21 in which a user can write by means of the instrument tip.
- this configuration will be called a digital recognition configuration.
- the digital recognition configuration the conical portion 28 of the writing instrument tip 20 protrudes from the tip 21 through the through hole 46.
- the tip of the conventional tip 44 comprising the ink tip 50 housed in the concavity 37 delimited by the curved portion 36 of the arm 26.
- the arm 26 of the writing instrument tip 20 is at rest, that is to say that the arm 26 does not undergo elastic deformation. Indeed, no pressure is exerted on it by the conventional tip 44.
- FIG. 4 illustrates the configuration of the assembly formed of the writing instrument tip 20, the conventional tip 44 and the tip 21 in which a user can write using the conventional tip 44.
- this configuration will be called conventional write configuration.
- the ink tip 50 of the conventional tip 44 which protrudes from the tip 21 through the passage opening 46.
- the arm 26 is here deformed from elastically so that it is spaced radially from the longitudinal axis XX of the tip 21, corresponding to the axis of symmetry of this conical tip, which conventionally corresponds to the axis of symmetry of the instrument d writing, which is normal to the surface defined by the passage opening 46.
- the arm 26 also differs radially from the longitudinal axis of the conventional tip 44, which conventionally coincides with the longitudinal axis XX.
- the arm 26 has given way to the conventional tip 44, against which the writing tip 22 rests.
- the conventional tip 44 therefore serves as a stop for the instrument tip. 20 to counter the elastic restoring force of the arm 26 which tends to make him return to his rest position.
- the conventional tip 44 has been moved along the longitudinal axis XX towards the through hole 46 by means of mechanical which will not be described here, being known to those skilled in the art.
- the ink tip 50 has encountered on its stroke the free surface 34S of the bevelled portion 34 of the writing instrument tip 20.
- the ink tip 50 has therefore exerted on the free surface 34S a force according to a direction transverse to this surface.
- the arm 26 is of elastically deformable material and configured to allow a movement of the writing tip relative to the connecting member 24 when an effort is applied on the free surface 34S in a direction transverse to said free surface. More particularly, the displacement of the writing tip 22 is a translation of the writing tip 22 in a radial direction relative to an axis of revolution of the conical portion 28. Thus, in this first embodiment of the Invention, the deflection is a translation in a radial direction to the longitudinal axis XX.
- the connecting member 24 is no longer a connecting ring 40, but a connecting bore 58 at one end of the arm 26 opposite to the writing tip 22.
- the arm 26 is a blade similar to that of the first embodiment, except that the section of this blade is substantially rectangular, so that the outer face 38 and the inner face 39 of the blade are substantially flat and parallel to each other.
- the connecting bore 58 passes through here the arm 26 from one side to the other. It allows in particular a connection with a pin belonging to a receiving member of the writing instrument (not shown) replacing the receiving ring 54. In this case, the pin is inserted into the connecting bore 58 to ensure the connection between the arm 26 and the receiving member.
- the arm 26 is preferably made of a material different from that of the writing tip 22.
- the arm 26 is thus for example made of steel or aluminum, the writing tip 22 being preferably made of polymer material, for example polyoxymethylene.
- each branch 60 is a blade comprising, at its end closest to the writing tip, a straight portion 62, and at its opposite end a curved portion 64 defining a concavity 66.
- Each branch 60 is connected, at a connecting end 68, to a connecting ring 40, with which it came from material. More specifically, similarly to the arm 26 of the first embodiment of the invention, the branches 60 are an extension of the outer surface 40E of the connecting ring.
- the writing tip 22 is in this third embodiment of the invention is composed of two half-tips 70 located respectively at a free end of each leg 60, opposite to the connecting end 68.
- Each half-tip 70 comprises, at its free end, a half-cone-shaped portion 72.
- half-cone a half-cone of Revolution cut in the direction of its height.
- the portions in the form of a half-cone 72 thus each define a free surface of half-cone 72S substantially flat, which are placed opposite one another.
- the half-tips 70 further comprise a beveled portion 74 defining a free surface 74S opposite the top 76 of each half-cone 72.
- the free half-cone surfaces 72S extend along a plane of symmetry of the cone. formed by the assembly of the two half-cones 72.
- the two half-tips 70 are symmetrical with respect to a plane parallel to the plane parallel to the free surfaces 72S and passing through the longitudinal axis of the connecting ring 40.
- the writing tip 22 is formed here by the surface contacting of the free surfaces of half-cone 72S. This contacting can in particular be done when the half-tips 70 are inserted into a conical writing instrument tip such as that shown in Figures 3 and 4.
- the branches 60 are of elastically deformable material and configured to allow a movement of the half-tips 70 relative to the connecting member 24 when a force is applied to the free surface 74S in a direction transverse to said free surface 74S.
- this flexibility of the two branches 60 allows their approximation so that the free half-cone surfaces 72S are brought into contact and the half-cones 72 form a cone similar to the conical portion 28 of the previous embodiment .
- the branches 60 deform so as to move away from each other. 'a on the other and consequently to move the half-points 70 away from each other to let the conventional tip.
- the writing instrument tip comprises two branches 60 connected to a connecting ring 40 and the writing tip 22 is composed of two half-tips 70 in a similar manner to the third embodiment of the invention illustrated in Figures 7 to 9.
- the free surfaces 74S half-tips 70 are provided with locking means 78 in the writing position to contribute maintaining the free half-cone surfaces 72S in contact when the writing tip 22 is in the writing position.
- the locking means 78 comprise, on the one hand, a locking cavity 80 made in the free half-cone surface 72S of one of the two half-tips 70 and, on the other hand, a protuberance 82 protruding from the free surface 74S of the other half-tip 70.
- the protrusion 82 and the cavity 78 are configured so that the protrusion 82 can be inserted into the cavity 78 when the free surfaces of half-cone 72S are in surface contact.
- the cavity 78 is semi-spherical and the protuberance is a half-sphere of diameter chosen to allow the insertion of the protuberance 82 into the cavity 78.
- the protuberance 82 may be cylindrical of revolution or conical, and the shape of the cavity 78 is of corresponding shape.
- the right portion 62 of each branch 60 comprises a thinned portion 84 at its end closest to the bevelled portion 74.
- the thinned portion 84 increases the flexibility of this end of the right portion 62 and thus create a pivot effect facilitating the joining of the two half-points 70 and their spacing when passing a conventional tip.
- the writing instrument tip 20 comprises two reinforcing ribs 86 connecting the connecting ring and the curved portion 64 of each branch.
- These reinforcing ribs 86 are of preferably integral with each curved portion 64 on the one hand and the connecting ring 40 on the other.
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Pens And Brushes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2017/055693 WO2019058155A1 (fr) | 2017-09-20 | 2017-09-20 | Pointe flexible d'instrument d'ecriture pour la reconnaissance numerique de l'ecriture |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3684630A1 true EP3684630A1 (fr) | 2020-07-29 |
Family
ID=60117715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17784690.4A Withdrawn EP3684630A1 (fr) | 2017-09-20 | 2017-09-20 | Pointe flexible d'instrument d'ecriture pour la reconnaissance numerique de l'ecriture |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3684630A1 (fr) |
TW (1) | TW201921228A (fr) |
WO (1) | WO2019058155A1 (fr) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2388626C (fr) * | 1999-10-25 | 2008-12-23 | Paul Lapstun | Stylo a commande electronique pourvu d'un detecteur |
US20130321355A1 (en) * | 2012-05-31 | 2013-12-05 | N-Trig Ltd. | Writing tip for a stylus |
US20130322951A1 (en) * | 2012-06-04 | 2013-12-05 | Topbound Technology Inc. | Stylus Structure |
US9785263B2 (en) * | 2013-08-22 | 2017-10-10 | Microchip Technology Incorporated | Touch screen stylus with force and/or angle sensing functionality |
ITPN20130036U1 (it) * | 2013-11-14 | 2015-05-15 | Vita Giulio De | Dispositivo di scrittura, in particolare matita capacitiva, per riportare segni grafici come disegni e scritture di vario genere con inclinazioni variabili su schermi tattili o touch screen |
US20150138165A1 (en) * | 2013-11-21 | 2015-05-21 | Nigel Hinson | Replaceable Tip for Active Stylus |
-
2017
- 2017-09-20 EP EP17784690.4A patent/EP3684630A1/fr not_active Withdrawn
- 2017-09-20 WO PCT/IB2017/055693 patent/WO2019058155A1/fr unknown
-
2018
- 2018-09-19 TW TW107132884A patent/TW201921228A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
WO2019058155A1 (fr) | 2019-03-28 |
TW201921228A (zh) | 2019-06-01 |
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