Vibration feedback device, handheld communication device, and wearable device

The vibration feedback device addresses the lack of accuracy and diversity in conventional devices by using a frame-mounted button, sensor, and motor configuration to deliver perpendicular vibrations, improving user experience in handheld and wearable devices.

JP2025520985AActive Publication Date: 2025-07-04AAC TECHNOLOGIES (NANJING) CO LTD
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Patent Information

Application Number
JP2023580492
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-05-29
Publication Date
2025-07-04
Estimated Expiration
2043-05-29

AI Technical Summary

Technical Problem

Conventional vibration feedback devices lack accuracy and diversity in tactile feedback, affecting user experience.

Method used

A vibration feedback device attached to a frame with a button, sensor, and vibration motor, where the pressing force direction is perpendicular to the vibration direction, utilizing a stator, rotor, and elastic connection member to provide diverse tactile sensations.

Benefits of technology

The device provides perpendicular vibration feedback, enhancing user experience by diversifying tactile sensations in handheld and wearable devices.

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Abstract

The present invention provides a vibration feedback device. 【Solution means】The vibration feedback device is attached to the frame. The vibration feedback device includes a button fixed to the frame, a sensor for detecting the pressing state of the button, and a vibration motor fixed to the frame and located below the button. The frame is provided with a mounting hole penetrating therethrough. The frame includes an outer surface and an inner surface facing the outer surface. The mounting hole penetrates the outer surface and the inner surface. The vibration motor includes a stator fixed to the inner surface of the frame, a vibrator located in the mounting hole, and an elastic connection member connecting the vibrator to the stator. The direction of the pressing force of the button is perpendicular to the vibration direction of the vibrator. The vibration feedback device of the present invention provides vibration feedback in a direction different from the pressing force direction, and the vibration feeling becomes diversified.
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Description

Technical Field

[0001] The present invention relates to the technical field of vibration feedback, and particularly to a vibration feedback device, a handheld communication device including the same, and a wearable device.

Background Art

[0002] Vibration feedback technology can reproduce a tactile sensation for a user through a series of operations such as applying force or vibrating. This mechanical stimulation can be applied to assist in the creation and control of virtual scenes or virtual objects in computer simulations, and to enhance remote operation of machines and devices.

[0003] However, conventional vibration feedback products generally have insufficient accuracy in tactile feedback, and the vibration feeling may be single, which affects the user experience.

[0004] Therefore, in order to solve the above technical problems, it is necessary to provide a new vibration feedback device.

Summary of the Invention

Problems to be Solved by the Invention

[0005] An object of the present invention is to provide a vibration feedback device in which the vibration direction is different from the direction of the pressing force and the vibration feeling is diversified.

Means for Solving the Problems

[0006] To achieve the above object, the technical solution of the present invention provides a vibration feedback device. The vibration feedback device is attached to a frame. The vibration feedback device includes a button fixed to the frame, a sensor for detecting the pressing state of the button, and a vibration motor fixed to the frame and located below the button. The frame is provided with a mounting hole penetrating therethrough. The frame includes an outer surface and an inner surface facing the outer surface. The mounting hole penetrates the outer surface and the inner surface. The vibration motor includes a stator fixed to the inner surface of the frame, a rotor located in the mounting hole, and an elastic connection member connecting the rotor to the stator. The direction of the pressing force of the button is perpendicular to the vibration direction of the rotor.

[0007] Preferably, the stator includes a bottom plate fixed to the frame and a solenoid assembly fixed to the bottom plate. One end of the elastic connection member is connected to the rotor, and the other end is connected to the bottom plate.

[0008] Preferably, the bottom plate includes a placement portion for placing the solenoid assembly, a first extending portion extending from both sides of the placement portion and connected to the frame, and a second extending portion extending from the placement portion into the mounting hole and connected to the elastic connection member.

[0009] Preferably, the rotor includes a housing and a magnetic steel fixed in the housing. The housing is fixed to the button, and the magnetic steel is located on both sides of the solenoid assembly.

[0010] Preferably, the housing includes a ceiling wall and a side wall bent and extending from the ceiling wall and provided to surround a housing space together with the ceiling wall. The ceiling wall is fixed to the button, and the magnetic steel is fixed to the side wall.

[0011] Preferably, the housing is made of a magnetic conductive material.

[0012] Preferably, the sensor has a sheet-like structure and is sandwiched between the ceiling wall and the button.

[0013] Preferably, there are a pair of the magnetic steels, the magnetic steels are magnetized along the vibration direction of the vibrator, and the same poles of the pair of magnetic steels are provided to face each other.

[0014] Another object of the present invention is to provide a handheld communication device including a vibration feedback device in which the vibration direction is different from the direction of the pressing force and the vibration feeling is diversified in the handheld communication device.

[0015] To achieve the above object, the technical solution of the present invention provides a handheld communication device, the handheld communication device includes a frame, a screen fixed to one side of the frame, and a back plate fixed to the other side of the frame, the handheld communication device further includes the above vibration feedback device, and the vibration feedback device is fixed to the frame.

[0016] Another object of the present invention is to provide a wearable device including a vibration feedback device in which the vibration direction is different from the direction of the pressing force and the vibration feeling is diversified in the wearable device.

[0017] To achieve the above object, the technical solution of the present invention provides a wearable device, the wearable device includes a lens frame, a lens attached to the lens frame, and a frame extending rearward from both sides of the lens frame, the wearable device further includes the above vibration feedback device, and the vibration feedback device is fixed to the frame.

Effects of the Invention

[0018] Compared with related technologies, the vibration feedback device according to the present invention is attached to a frame. The vibration feedback device includes a button fixed to the frame, a sensor for detecting the pressing state of the button, and a vibration motor fixed to the frame and located below the button. The frame is provided with a mounting hole penetrating therethrough. The frame includes an outer surface and an inner surface facing the outer surface. The mounting hole penetrates the outer surface and the inner surface. The vibration motor includes a stator fixed to the inner surface of the frame, a vibrator located in the mounting hole, and an elastic connection member connecting the vibrator to the stator. The direction of the pressing force of the button is perpendicular to the vibration direction of the vibrator. The present invention further provides a handheld communication device and a wearable device including the above vibration feedback device. The vibration direction of the vibration feedback device of the present invention is perpendicular to the direction of the pressing force, providing different tactile vibration sensations to the user and diversifying the vibration sensations.

Brief Description of the Drawings

[0019]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Embodiments for Carrying Out the Invention

[0020] Hereinafter, with reference to the drawings in the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described. It is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative labor shall fall within the protection scope of the present invention.

[0021] At the same time, as shown in FIGS. 1 to 3, the present invention provides a vibration feedback device 100. The vibration feedback device 100 is attached to a frame 101. The vibration feedback device 100 includes a button 1 fixed to the frame 101, a sensor 2 for detecting the pressing state of the button, and a vibration motor 3 fixed to the frame 101 and located below the button 1.

[0022] The frame 101 is provided with a mounting hole 1011 penetrating therethrough. The frame 101 includes an outer surface 1012 and an inner surface 1013 facing the outer surface 1012. The mounting hole 1011 penetrates the outer surface 1012 and the inner surface 1013. The button 1 protrudes from the outer surface 1012 of the frame 101. A recess 1014 is provided on the outer surface 1012, and a protrusion 1015 is provided on the inner surface 1013. The button 1 is fixedly attached and fixed in the recess 1014 of the outer surface 1012, and the vibration motor 3 is fixedly connected to the protrusion 1015.

[0023] In this embodiment, the sensor 2 has a sheet-like structure and is provided between the button 1 and the vibration motor 3. In other embodiments, the sensor 2 may be a sensor of other shapes and may be attached to other positions of the vibration feedback device 100. The sensor 2 is for detecting the position information of the pressing force received by the button 1 and the information of the strength of the pressing force.

[0024] The vibration motor 3 includes a stator 31 fixed to the inner surface 1013 of the frame 101, a rotor 32 positioned in the mounting hole 1011, and an elastic connection member 33 connecting the rotor 32 to the stator 31. The rotor 32 vibrates along the left - right direction, and the direction of the pressing force of the button 1 is perpendicular to the vibration direction of the rotor 32.

[0025] The stator 31 includes a bottom plate 311 fixed to the frame 101 and a solenoid assembly 312 fixed to the bottom plate 311. The bottom plate 311 is fixedly connected to the protruding portion 1015 of the frame 101. One end of the elastic connection member 33 is connected to the rotor 32 and the other end is connected to the bottom plate 311. Specifically, the bottom plate 311 includes a placement portion 3111 for placing the solenoid assembly 312, a first extending portion 3112 extending from both sides of the placement portion 3111 and fixedly connected to the frame 101, and a second extending portion 3113 extending from the placement portion 3111 into the mounting hole 1011 and connected to the elastic connection member 33. The solenoid assembly 312 includes an iron core 3121 and a solenoid 3122 wound around the iron core 3121. The iron core 3121 is made of a ferromagnetic material.

[0026] The rotor 32 includes a housing 321 and a magnetic steel 322 fixed inside the housing 321. The housing 321 is fixed relative to the button 1, and the magnetic steel 322 is located on both sides of the solenoid assembly 312. The housing 321 includes a ceiling wall 3211 and side walls 3212 bent and extending from the ceiling wall 3211 and provided to surround a housing space together with the ceiling wall 3211. The ceiling wall 3211 is fixed to the button 1, and the magnetic steel 322 is fixed to the side walls 3212. The housing 321 is made of a ferromagnetic material. The sensor 2 is sandwiched between the ceiling wall 3211 and the button 1. The magnetic steel 322 is a pair, and the magnetic steel 322 is magnetized along the vibration direction of the rotor 32, and the same poles of the pair of magnetic steel 322 are provided to face each other.

[0027] The elastic connection member 33 has a flat sheet-like structure, and the elastic connection member 33 is made of a metal material.

[0028] When operating normally, press the button 1 with a finger to generate pressure. The pressure is perpendicular to the surface of the button 1, causing the elastic connection member 33 to deform. The sensor 2 detects the operation information of the pressure due to the deformation of the elastic connection member 33. The operation information includes the position information of the pressure and the information of the intensity of the pressure. Through the processor and signal algorithm, by applying an electrical signal corresponding to the solenoid 3122 of the vibration motor 3, the vibrator 32 of the vibration motor 3 is vibrated along a direction perpendicular to the pressure of the button, providing tactile feedback to the user. The tactile effect may be the effect of a button, the effect of a slide button, etc.

[0029] As shown in FIGS. 4 to 5, the present invention further provides a handheld communication device 200, which includes a frame 101, a screen 201 fixed to one side of the frame 101, a back plate 202 fixed to the other side of the frame 101, and the vibration feedback device 100. The vibration feedback device 100 is mounted in the mounting hole 1011 of the frame 101 to provide tactile feedback.

[0030] As shown in FIG. 6, the present invention further provides a wearable device 300, which includes a lens frame 301, a lens 302 attached to the lens frame 301, a frame 101 extending rearward from both sides of the lens frame 301, and the vibration feedback device 100. The vibration feedback device 100 is attached into the mounting hole 1011 of the frame 101 to provide tactile feedback. The frame 101 has two pieces, which are the temples of the wearable device 300, and the vibration feedback device 100 is attached to each temple. The wearable device 300 further includes a cover body 303, and the cover body 303 is crowned on the mounting hole 1011 of the frame 101 to enclose the vibration feedback device 100.

[0031] Compared with the related art, the vibration feedback device according to the present invention is attached to a frame. The vibration feedback device includes a button fixed to the frame, a sensor for detecting the pressing state of the button, and a vibration motor fixed to the frame and located below the button. The frame is provided with a mounting hole penetrating therethrough. The frame includes an outer surface and an inner surface facing the outer surface. The mounting hole penetrates the outer surface and the inner surface. The vibration motor includes a stator fixed to the inner surface of the frame, a vibrator located in the mounting hole, and an elastic connection member connecting the vibrator to the stator. The pressing direction of the button is perpendicular to the vibration direction of the vibrator. The present invention further provides a handheld communication device and a wearable device including the above vibration feedback device. The vibration direction of the vibration feedback device of the present invention is perpendicular to the pressing direction, providing different tactile vibration sensations to the user and diversifying the vibration sensations. The present invention also has various tactile feedbacks in the handheld communication device and the wearable device including the vibration feedback device.

[0032] What has been described above is only an embodiment of the present invention, and those skilled in the art to which the present invention pertains can make various modifications without departing from the creative concept of the present invention, and all of these should be understood to belong to the protection scope of the present invention.

Claims

1. A vibration feedback device, wherein the vibration feedback device is attached to a frame, and the vibration feedback device includes a button fixed to the frame, a sensor for detecting a pressed state of the button, and a vibration motor fixed to the frame and located below the button, wherein the frame is provided with a mounting hole penetrating therethrough, the frame includes an outer surface and an inner surface facing the outer surface, the mounting hole penetrates the outer surface and the inner surface, and the vibration motor includes a stator fixed to the inner surface of the frame, a vibrator located in the mounting hole, and an elastic connection member connecting the vibrator to the stator, and a pressing force direction of the button is perpendicular to a vibration direction of the vibrator. A vibration feedback device characterized by this.

2. The stator includes a bottom plate fixed to the frame and a solenoid assembly fixed to the bottom plate, and the elastic connection member is characterized in that one end is connected to the vibrator and the other end is connected to the bottom plate. The vibration feedback device according to claim 1.

3. The bottom plate includes a placement portion for placing the solenoid assembly, a first extending portion extending from both sides of the placement portion and connected to the frame, and a second extending portion extending from the placement portion into the mounting hole and connected to the elastic connection member. The vibration feedback device according to claim 2, characterized by this.

4. The vibrator includes a housing and a magnetic steel fixed in the housing, the housing is fixed to the button, and the magnetic steel is located on both sides of the solenoid assembly. The vibration feedback device according to claim 2, characterized by this.

5. The housing includes a ceiling wall and a side wall bent and extending from the ceiling wall and provided so as to surround a housing space together with the ceiling wall, the ceiling wall is fixed to the button, and the magnetic steel is fixed to the side wall. The vibration feedback device according to claim 4, characterized by this.

6. The housing is made of a ferromagnetic material. The vibration feedback device according to claim 4, characterized by this.

7. The sensor has a sheet-like structure and is sandwiched between the ceiling wall and the button. The vibration feedback device according to claim 5, characterized by this.

8. The magnetic steel is a pair, the magnetic steel is magnetized along the vibration direction of the vibrator, and the pair of magnetic steels are provided with the same poles facing each other. The vibration feedback device according to claim 4.

9. A handheld communication device, The handheld communication device includes a frame, a screen fixed to one side of the frame, and a back plate fixed to the other side of the frame. The handheld communication device further includes the vibration feedback device according to any one of claims 1 to 8, and the vibration feedback device is fixed to the frame. The handheld communication device is characterized by this.

10. A wearable device, The wearable device includes a lens frame, a lens attached to the lens frame, and a frame extending rearward from both sides of the lens frame. The wearable device further includes the vibration feedback device according to any one of claims 1 to 8, and the vibration feedback device is fixed to the frame. The wearable device is characterized by this.

Citation Information

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