CN113589922B - Haptic actuator with large-stroke spring plate structure - Google Patents
Haptic actuator with large-stroke spring plate structure Download PDFInfo
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- CN113589922B CN113589922B CN202110670671.9A CN202110670671A CN113589922B CN 113589922 B CN113589922 B CN 113589922B CN 202110670671 A CN202110670671 A CN 202110670671A CN 113589922 B CN113589922 B CN 113589922B
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- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 230000005389 magnetism Effects 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 3
- 230000001846 repelling effect Effects 0.000 claims description 3
- 230000003993 interaction Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 4
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- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- 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
- G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The invention relates to the technical field of man-machine interaction, in particular to a touch actuator with a large-stroke spring plate structure; comprises a shell which is in a shell structure; the elastic sheet comprises an outer strip-shaped section, an inner strip-shaped section and a connecting section; two ends of the two outer strip-shaped sections and two inner strip-shaped sections are fixedly connected with the two connecting sections respectively, and the two inner strip-shaped sections are arranged between the two outer strip-shaped sections; the outer strip-shaped section and the inner strip-shaped section are both C-shaped; the two outer strip-shaped sections are fixedly arranged in the shell; the vibration mechanism comprises a supporting block and a main magnet; the support blocks are fixedly arranged on the two inner strip-shaped sections, and the main magnet is fixedly arranged on the support blocks; the two coils are fixedly arranged in the shell and are respectively arranged at two sides of the main magnet; the magnetism generated by the two coils after being electrified is opposite; and the circuit board is used for leading alternating current to the two coils when receiving signals of the screen. The invention aims to provide a touch actuator with a large-stroke spring plate structure, which clearly informs an operator that an operation instruction is finished through vibration.
Description
Technical Field
The invention relates to the technical field of man-machine interaction, in particular to a touch actuator with a large-stroke spring plate structure.
Background
Because the virtual buttons and the knobs of the display screen can concentrate and unify the control actions, compared with the traditional physical buttons and knobs, the virtual buttons and the knobs of the display screen can save more installation space, and therefore the virtual buttons and the knobs replace the traditional physical buttons and the knobs in various fields of industry, automobiles and the like. However, unlike the physical buttons and knobs, the virtual buttons and knobs have obvious operation handfeel, and the virtual buttons and knobs cannot bring any feeling to the fingers of the operator, so that the operator cannot know whether the operator has controlled the virtual buttons and knobs to execute actions, and therefore, when the fingers of the operator are pressed on the screen, a feedback signal needs to be generated to tell the operator whether the operation instruction is executed.
In view of the above problems, the present designer actively researches and innovates based on the practical experience and expertise which are rich for many years in such product engineering applications, and cooperates with the application of the theory, and designs a haptic actuator with a large stroke spring structure, which generates vibration when the operator's finger presses the screen, so as to clearly tell the operator that the operation instruction is completed.
Disclosure of Invention
The invention aims to provide a touch actuator with a large stroke spring plate structure, aiming at the defects in the prior art, and the touch actuator can vibrate when an operator presses a screen by fingers, so that the operator is clearly informed that an operation instruction is finished.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
comprising the following steps: the shell is of a shell structure with a cavity inside;
the elastic sheet is fixedly arranged in the shell; the elastic sheet comprises two outer strip-shaped sections, two inner strip-shaped sections and two connecting sections; two ends of the two outer strip-shaped sections are fixedly connected with the two connecting sections respectively, two ends of the two inner strip-shaped sections are fixedly connected with the two connecting sections respectively, and the two inner strip-shaped sections are arranged between the two outer strip-shaped sections; the cross sections of the outer strip-shaped section and the inner strip-shaped section are C-shaped; the two outer strip-shaped sections are fixedly arranged in the shell;
the vibration mechanism is fixedly arranged on the two inner strip-shaped sections; the vibration structure comprises a supporting block and a main magnet; the support blocks are fixedly arranged on the two inner strip-shaped sections, and the main magnet is fixedly arranged on the support blocks;
two coils fixedly installed in the housing and respectively provided at both sides of the main magnet for generating a motion of the vibration mechanism by attracting and repelling the main magnet; the magnetism generated by the two coils after being electrified is opposite;
and the circuit board is electrically connected with the screen, the alternating current and the two coils and is used for leading the alternating current to the two coils when receiving signals of the screen.
Further, bending sections are arranged at two ends of the inner strip-shaped section and used for increasing the length of the inner strip-shaped section.
Further, the bending sections bend between the two inner strip sections.
Further, a reinforcing plate is further arranged on the elastic sheet, two sides of the reinforcing plate are fixedly connected with the middle sections of the two inner strip-shaped sections respectively, and the vibration mechanism is fixedly arranged on the reinforcing plate.
Further, the spring plate is formed by stamping a single metal sheet to form an integral structure.
Further, the vibration mechanism further comprises two auxiliary magnets, the two auxiliary magnets are fixedly arranged on the supporting block, and the two auxiliary magnets are respectively arranged on two sides of the movement direction of the main magnet; the magnetic properties of the secondary magnets are opposite to those of the primary magnets.
Further, the distance between the two sub-magnets is larger than the distance between the two coils.
Further, the supporting block comprises a magnetic bowl, a throwing block and a supporting cover; the throwing block is arranged in the magnetic bowl; the supporting cover is abutted to the top end of the throwing block and fixedly connected with the magnetic bowl.
Further, the outer side of the supporting cover extends towards the swing block and abuts against the side face of the swing block.
Further, a plurality of lower concave parts are formed in the shell, the lower concave parts are bent towards the inside of the shell to form a fixing surface, and the two outer strip-shaped sections are fixedly connected with the fixing surface.
By the technical scheme of the invention, the following technical effects can be realized:
the designed haptic actuator with the large-stroke spring plate structure can generate signals when a finger of a person touches the screen, and the circuit board receives the signals to lead alternating current to the two coils, so that the two coils generate magnetism in opposite and continuously changing directions, a vibrating mechanism provided with a main magnet generates large-stroke reciprocating motion and drives the spring plate to generate large-amplitude deformation, the haptic actuator integrally generates vibration, and an operator is clearly informed of the completion of an operation instruction; the length of the inner strip-shaped section is longer than that of the outer strip-shaped section by arranging the bending section on the inner strip-shaped section, the inner strip-shaped section is easier to deform relative to the outer strip-shaped section, and the deformation degree of the inner strip-shaped section and the outer strip-shaped section is inconsistent when the vibration mechanism moves, so that the generated vibration is larger; by arranging the auxiliary magnet, the magnetic field intensity and the density of the vibrating mechanism are increased, so that the force of the coil magnetism to the vibrating mechanism is increased, the movement amplitude of the vibrating mechanism is increased, and the overall vibration intensity is increased.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is an exploded view of a haptic actuator with a large stroke dome structure in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of a spring plate according to an embodiment of the present invention;
FIG. 3 is an exploded view of a vibration mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic view of the structure of the housing according to the embodiment of the present invention;
FIG. 5 is a schematic diagram of a first state of a coil of a haptic actuator with a large stroke dome structure according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a second state of a coil of a haptic actuator with a large stroke dome structure according to an embodiment of the present invention;
reference numerals: the device comprises a shell 1, a concave 11, a fixing surface 12, a spring piece 2, an outer strip-shaped section 21, an inner strip-shaped section 22, a bending section 221, a connecting section 23, a reinforcing plate 24, a vibrating mechanism 3, a supporting block 31, a magnetic bowl 311, a throwing block 312, a supporting cover 313, a main magnet 32, an auxiliary magnet 33, a coil 4 and a circuit board 5.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be noted that the directions or positional relationships indicated as being "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
A touch actuator with a large stroke spring plate structure is shown in fig. 1-4, and comprises: the shell 1 is of a shell structure with a cavity inside;
the elastic sheet 2 is fixedly arranged in the shell 1; the spring plate 2 comprises two outer strip-shaped sections 21, two inner strip-shaped sections 22 and two connecting sections 23; two ends of the two outer strip-shaped sections 21 are fixedly connected with the two connecting sections 23 respectively, two ends of the two inner strip-shaped sections 22 are fixedly connected with the two connecting sections 23 respectively, and the two inner strip-shaped sections 22 are arranged between the two outer strip-shaped sections 21; the cross sections of the outer strip-shaped section 21 and the inner strip-shaped section 22 are C-shaped; two outer strip sections 21 are fixedly arranged in the housing 1;
the vibration mechanism 3 is fixedly arranged on the two inner strip-shaped sections 22; the vibration structure includes a backing block 31 and a main magnet 32; the support blocks 31 are fixedly arranged on the two inner strip-shaped sections 22, and the main magnet 32 is fixedly arranged on the support blocks 31;
two coils 4 fixedly installed in the housing 1 and respectively provided at both sides of the main magnet 32 for generating a motion of the vibration mechanism 3 by attracting and repelling the main magnet 32; the magnetism generated by the two coils 4 after being electrified is opposite;
and a circuit board 5 electrically connected with the screen, the alternating current and the two coils 4 and used for leading the alternating current to the two coils 4 when the signal of the screen is received.
The specific working process of the touch actuator is as follows: when an operator touches the screen, the screen generates a signal and transmits the signal to the circuit board 5, the circuit board 5 leads alternating current to the two coils 4 when receiving the signal, so that the two coils 4 generate continuously transformed magnetism, thereby generating force on the main magnet 32 of the vibrating mechanism 3 to drive the vibrating mechanism 3 to reciprocate, the vibrating mechanism 3 drives the inner strip-shaped section 22 of the elastic sheet 2 to continuously generate elastic deformation, the vibration is transmitted to the shell 1 through the elastic sheet 2, the shell 1 can be arranged on the back of the screen or a fixing device of the screen, the vibration generated by the shell 1 directly drives the screen to vibrate, and an operator can clearly know that an operation instruction is finished; in order to prevent the vibration from damaging the screen, the housing 1 may be provided independently, and an operator may make a judgment by directly touching the housing 1. When the operator's finger leaves the screen, the screen stops transmitting information to the circuit board 5, at this time, the circuit board 5 stops supplying alternating current to the two coils 4, the coils 4 lose magnetism, the vibration mechanism 3 stops moving, at this time, the touch actuator can not vibrate any more, and the operator can clearly know that the finger has left the screen.
The principle that the two coils 4 drive the vibration mechanism 3 to reciprocate is as follows: as shown in fig. 5, in the first state, the upper end of one coil 4 is S-pole, the lower end is N-pole, and the magnetism of the other coil 4 is opposite, so that the S-pole of the main magnet 32 moves to the left direction in the drawing under the action of two magnetic fields; because the two coils 4 are electrified with alternating current, the current direction changes after a period of time, so that the two coils 4 enter a second state as shown in fig. 6, at the moment, the upper end of one coil 4 is an N pole, the lower end is an S pole, and the magnetism of the other coil 4 is opposite, the S pole of the main magnet 32 moves to the right side in the figure under the action of two magnetic fields; the alternating current continuously changes the current direction, so that the two coils 4 continuously change between the first state and the second state, and the main magnet 32 generates reciprocating motion, so that the vibration mechanism 3 is driven to reciprocate integrally. It should be noted here that the upper end of the main magnet 32 may also be N-pole, in which case the direction of movement of the main magnet 32 in the first and second states is opposite to that described above.
In order to increase the vibration amplitude, the operator's feeling is more obvious, as shown in fig. 2, the two ends of the inner bar 22 are provided with bending sections 221 for increasing the length of the inner bar 22, so that the length of the inner bar 22 is greater than that of the outer bar 21, the inner bar 22 is easier to deform than the outer bar 21, when the vibration mechanism 3 moves, the inner bar 22 which is easy to deform can increase the movement stroke of the vibration mechanism 3, and meanwhile, the deformation degree of the inner bar 22 and the outer bar 21 is inconsistent, so that the integral shaking amplitude of the elastic sheet 2 is increased, thereby increasing the vibration amplitude. Further, the bending sections 221 bend between the two inner strip sections 22, so that two ends of the two inner strip sections 22 form a waist-shaped structure with a narrow middle and wide upper and lower sides, and when the vibration mechanism 3 moves, certain torsion can be generated between the two inner strip sections 22, so that the vibration amplitude is further increased.
Because the two inner strip-shaped sections 22 can often deform, in order to avoid the damage of the connection part of the inner strip-shaped sections 22 and the vibration mechanism 3 caused by deformation, as shown in fig. 2, the elastic sheet 2 is further provided with a reinforcing plate 24, two sides of the reinforcing plate 24 are fixedly connected with the middle sections of the two inner strip-shaped sections 22 respectively, the vibration mechanism 3 is fixedly arranged on the reinforcing plate 24, and the reinforcing plate 24 can reduce the deformation degree of the middle sections of the two inner strip-shaped sections 22 under the condition that the deformation of the two ends of the two inner strip-shaped sections 22 is not influenced, so that the separation of the vibration mechanism 3 and the inner strip-shaped sections 22 is avoided.
If the spring 2 is formed by splicing a plurality of parts, the outer strip-shaped section 21 and the inner strip-shaped section 22 are often deformed, and the connection part is extremely easy to break, so as to improve the reliability of the spring 2, as shown in fig. 2, the spring 2 is formed by stamping a single metal sheet, and an integrated structure is formed.
In order to further increase the vibration amplitude more obviously, as shown in fig. 3, the vibration mechanism 3 further comprises two auxiliary magnets 33, wherein the two auxiliary magnets 33 are fixedly arranged on the supporting block 31, and the two auxiliary magnets 33 are respectively arranged at two sides of the movement direction of the main magnet 32; the magnetic properties of the auxiliary magnet 33 are opposite to those of the main magnet 32, the magnetic field of the auxiliary magnet 33 can be overlapped with the magnetic field of the main magnet 32, so that the magnetic field intensity and density of the whole vibrating mechanism 3 are improved, the magnetic field force of the coil 4 applied to the whole vibrating mechanism 3 is increased, the movement amplitude of the vibrating mechanism 3 is increased, and the vibration amplitude is increased. Preferably, the distance between the two auxiliary magnets 33 is larger than the distance between the two coils 4, as shown in fig. 5, in the first state, the N pole of the auxiliary magnet 33 on the left side is shown to be repelled leftwards by the N pole of the coil 4 on the left side, and the N pole of the auxiliary magnet 33 on the right side is shown to be attracted leftwards by the S pole of the coil 4 on the right side, so that the force for leftward movement of the vibration mechanism 3 is increased, and the vibration mechanism 3 can have a larger movement stroke; similarly, as shown in fig. 6, in the second state, the two coils 4 respectively generate right forces on the auxiliary magnets 33, so that the vibration mechanism 3 can have a larger movement stroke, and after the first state and the second state are combined, the vibration mechanism 3 obtains a larger reciprocating movement amplitude, and finally the vibration amplitude of the haptic actuator is increased.
In order to control the inertia of the vibration mechanism 3, as shown in fig. 3, the supporting block 31 includes a magnetic bowl 311, a swing block 312, and a supporting cover 313; the throwing block 312 is arranged inside the magnetic bowl 311; the supporting cover 313 is abutted against the top end of the throwing block 312 and is fixedly connected with the magnetic bowl 311. The weight and the number of the swinging blocks 312 can be adjusted according to actual needs, so that the overall mass of the vibration mechanism 3 can be adjusted, when the weight and the number of the swinging blocks 312 are increased, the mass of the vibration mechanism 3 is increased, the inertia of the vibration mechanism 3 is increased, the reciprocating motion capacity of the vibration mechanism 3 is reduced, and the vibration amplitude of the tactile actuator is reduced; when the mass and the number of the slingers 312 are reduced, the mass of the vibration mechanism 3 is reduced, the inertia of the vibration mechanism 3 is reduced, the reciprocating motion capability of the vibration mechanism 3 is increased, and the vibration amplitude of the haptic actuator is increased.
In order to prevent the swing block 312 from falling off, as shown in fig. 3, the outer side of the supporting cover 313 extends toward the swing block 312 and abuts against the side surface of the swing block 312.
In order to avoid the influence of the movement of the vibration mechanism 3 and the deformation of the elastic sheet 2 by the inner wall of the housing 1, as shown in fig. 4, a plurality of lower concave parts 11 are arranged on the housing 1, the lower concave parts 11 are bent towards the inside of the housing 1 to form a fixing surface 12, and two outer strip-shaped sections 21 are fixedly connected with the fixing surface 12. The fixing surface 12 of the lower concave 11 lifts the vibration mechanism 3 and the elastic sheet 2, so that the possibility that other parts of the vibration mechanism 3 and the elastic sheet 2 interfere with the inner wall of the shell 1 is effectively reduced.
The foregoing has outlined and described the basic principles, features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A haptic actuator of a large stroke dome structure, comprising;
a shell (1) which is a shell structure with a cavity inside;
the elastic sheet (2) is fixedly arranged in the shell (1); the elastic sheet (2) comprises two outer strip-shaped sections (21), two inner strip-shaped sections (22) and two connecting sections (23); two ends of the two outer strip-shaped sections (21) are fixedly connected with the two connecting sections (23) respectively, two ends of the two inner strip-shaped sections (22) are fixedly connected with the two connecting sections (23) respectively, and the two inner strip-shaped sections (22) are arranged between the two outer strip-shaped sections (21); the cross sections of the outer strip-shaped section (21) and the inner strip-shaped section (22) are C-shaped; the two outer strip-shaped sections (21) are fixedly arranged in the shell (1); bending sections (221) are arranged at two ends of the inner strip-shaped section (22) and used for increasing the length of the inner strip-shaped section (22); a reinforcing plate (24) is further arranged on the elastic sheet (2), and two sides of the reinforcing plate (24) are fixedly connected with the middle sections of the two inner strip-shaped sections (22) respectively; the elastic sheet (2) is formed by stamping a single metal sheet to form an integrated structure;
the vibration mechanism (3) is fixedly arranged on the two inner strip-shaped sections (22); the vibration structure comprises a supporting block (31) and a main magnet (32); the support blocks (31) are fixedly arranged on the two inner strip-shaped sections (22), and the main magnet (32) is fixedly arranged on the support blocks (31); the vibration mechanism (3) is fixedly arranged on the reinforcing plate (24);
two coils (4) fixedly installed in the housing (1) and respectively arranged at both sides of the main magnet (32) for generating a motion of the vibration mechanism (3) by attracting and repelling the main magnet (32); the magnetism generated by the two coils (4) after being electrified is opposite;
and the circuit board (5) is electrically connected with the screen, the alternating current and the two coils (4) and is used for leading the alternating current to the two coils (4) when receiving signals of the screen.
2. A tactile actuator of a long stroke spring structure according to claim 1, wherein said bending sections (221) are each bent between two of said inner strip sections (22).
3. The tactile actuator of a long-stroke spring structure according to claim 1, wherein the vibration mechanism (3) further comprises two auxiliary magnets (33), the two auxiliary magnets (33) are fixedly arranged on the supporting block (31), and the two auxiliary magnets (33) are respectively arranged at two sides of the movement direction of the main magnet (32); the magnetic properties of the secondary magnet (33) are opposite to those of the primary magnet (32).
4. A tactile actuator of a large stroke dome structure according to claim 3, characterized in that the distance between two of said secondary magnets (33) is greater than the distance between two of said coils (4).
5. The tactile actuator of a long stroke dome structure according to claim 1, wherein the support block (31) comprises a magnetic bowl (311), a throwing block (312) and a support cover (313); the throwing block (312) is arranged inside the magnetic bowl (311); the supporting cover (313) is abutted against the top end of the throwing block (312) and fixedly connected with the magnetic bowl (311).
6. The tactile actuator of a long stroke spring structure according to claim 5, wherein the outer side of the bracket cover (313) extends toward the slinger (312) and abuts against the side of the slinger (312).
7. The tactile actuator of a long-stroke spring structure according to claim 1, wherein a plurality of lower concave parts (11) are arranged on the shell (1), the lower concave parts (11) are bent towards the inside of the shell (1) and form a fixing surface (12), and the two outer strip-shaped sections (21) are fixedly connected with the fixing surface (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110670671.9A CN113589922B (en) | 2021-06-17 | 2021-06-17 | Haptic actuator with large-stroke spring plate structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110670671.9A CN113589922B (en) | 2021-06-17 | 2021-06-17 | Haptic actuator with large-stroke spring plate structure |
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| Publication Number | Publication Date |
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| CN113589922A CN113589922A (en) | 2021-11-02 |
| CN113589922B true CN113589922B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110670671.9A Active CN113589922B (en) | 2021-06-17 | 2021-06-17 | Haptic actuator with large-stroke spring plate structure |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105874688A (en) * | 2014-08-07 | 2016-08-17 | 爱斯尼克电子有限公司 | Haptic actuator |
| CN108512388A (en) * | 2018-06-07 | 2018-09-07 | 汉得利（常州）电子股份有限公司 | Linear vibration motor |
| CN109842701A (en) * | 2018-12-24 | 2019-06-04 | 歌尔股份有限公司 | Screen vibration-sound generating device and electronic product |
| CN111641316A (en) * | 2020-06-30 | 2020-09-08 | 歌尔股份有限公司 | Vibration device and electronic apparatus |
| CN213151873U (en) * | 2020-10-29 | 2021-05-07 | 东莞汉特斯电子科技有限公司 | Linear vibrator and electronic equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3068840B1 (en) * | 2017-07-07 | 2023-03-31 | Actronika Sas | VIBROTACTILE ACTUATOR |
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2021
- 2021-06-17 CN CN202110670671.9A patent/CN113589922B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105874688A (en) * | 2014-08-07 | 2016-08-17 | 爱斯尼克电子有限公司 | Haptic actuator |
| CN108512388A (en) * | 2018-06-07 | 2018-09-07 | 汉得利（常州）电子股份有限公司 | Linear vibration motor |
| CN109842701A (en) * | 2018-12-24 | 2019-06-04 | 歌尔股份有限公司 | Screen vibration-sound generating device and electronic product |
| CN111641316A (en) * | 2020-06-30 | 2020-09-08 | 歌尔股份有限公司 | Vibration device and electronic apparatus |
| CN213151873U (en) * | 2020-10-29 | 2021-05-07 | 东莞汉特斯电子科技有限公司 | Linear vibrator and electronic equipment |
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| CN113589922A (en) | 2021-11-02 |
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