CN212322231U - Touch module and electronic equipment - Google Patents
Touch module and electronic equipment Download PDFInfo
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- CN212322231U CN212322231U CN202020826466.8U CN202020826466U CN212322231U CN 212322231 U CN212322231 U CN 212322231U CN 202020826466 U CN202020826466 U CN 202020826466U CN 212322231 U CN212322231 U CN 212322231U
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- 230000009286 beneficial effect Effects 0.000 description 2
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Abstract
The utility model provides a touch module and electronic equipment. Wherein, touch module includes: support, forced induction layer, touch panel, forced induction layer set up in one side of support along its thickness direction, and forced induction layer includes a plurality of forced induction units, and touch panel sets up the one side that deviates from the support at the forced induction layer, including central zone and the peripheral region that encircles the central zone and set up, a plurality of forced induction unit correspond and set up in peripheral region department to detect touch panel's pressure signal. The utility model discloses a peripheral region at touch panel sets up a plurality of forced induction units and responds to the small bending deformation in touch panel surface to detect touch panel's pressure signal, replaced two keys of an organic whole of present mainstream, the realization of button function adopts the mechanical structure of "springboard formula" mostly, has still avoided the insensitivity defect of touch panel peripheral region button. Furthermore, the utility model discloses a touch module can effectively expand electronic equipment's application function scope.
Description
Technical Field
The utility model belongs to the technical field of the touch-control shows, concretely relates to touch module and an electronic equipment.
Background
The touch module is an input device widely applied to a notebook computer, collects signals through pressing force of fingers, and can move a cursor through sliding operation of the fingers. Currently, touch modules are usually of resistive type, capacitive type, infrared type, surface acoustic wave type, electromagnetic type, vibration wave induction type, and the like.
The traditional notebook touchpad is mainly of a 'springboard type' mechanical structure from an upper three-key structure, a touch area structure, a lower left-right key structure and an existing mainstream two-key structure, the key function is realized mostly, and only one point pressing type structure is arranged below the touchpad, so that the point pressing effect can not be achieved on one side close to a keyboard. In addition, the existing touch pad key structure has more parts and more corresponding assembly gaps, which is not beneficial to maintenance, and the mechanical point pressing structure can also influence the service life of the key.
In addition, the existing touch module sets touch electrode structures arranged in an array manner in a display area, and only sets a plurality of metal leads in a frame area for transmitting signals to touch driving electrodes or touch sensing electrodes, and the frame area is larger and larger due to a large number of metal wires, and the frame area does not have a touch electrode structure with a touch function, so that touch cannot be realized in the frame area, the frame area belongs to a touch blind area, touch sensitivity is reduced, and the using effect of a user is affected. In addition, in some touch modules, a plurality of through holes are further formed in the key areas corresponding to the sensor layers arranged in the touch modules, and the through holes are used for sensing touch.
Therefore, based on the above technical problems, it is necessary to provide a new touch module, which is manufactured integrally, does not need to form a redundant hole, can realize the mechanical key function of the conventional touch pad without mechanical pressing, and can enhance the touch sensitivity and accuracy.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least, provide a touch module and an electronic equipment
The utility model discloses an aspect provides a touch module, include:
a support;
the pressure sensing layer is arranged on one side of the support along the thickness direction of the support, and comprises a plurality of pressure sensing units;
a touch panel disposed on a side of the pressure-sensitive layer facing away from the support, the touch panel including a central region and a peripheral region disposed around the central region, wherein,
the plurality of pressure sensing units are correspondingly arranged at the peripheral area so as to detect pressure signals of the touch panel.
Optionally, the pressure sensing unit includes:
a pressure sensor;
a first connection layer disposed on a side of the pressure sensor facing the touch panel to connect the pressure sensor with the touch panel;
the second connecting layer is arranged on one side, facing the support, of the pressure sensor so as to connect the pressure sensor with the support.
Optionally, the pressure sensor includes:
the side, facing the touch panel, of the reinforcing plate is connected with the first connecting layer, and the side, facing the bracket, of the reinforcing plate is connected with the second connecting layer;
the circuit board comprises a pressure sensing part and a connecting circuit part connected with the pressure sensing part, and the pressure sensing part is arranged on one side of the support towards the reinforcing plate.
Optionally, the reinforcing plate includes a first reinforcing portion located in a middle region and two second reinforcing portions located on two sides of the first reinforcing portion, and the second connecting layer includes a first sub-connecting layer and a second sub-connecting layer that are arranged at an interval; wherein,
one side, facing the touch panel, of the first reinforcing part is connected with the first connecting layer, and one side, facing the support, of the first reinforcing part is connected with the pressure sensing part;
the first sub-connecting layer is respectively connected with one of the second reinforcing parts and the bracket, and the second sub-connecting layer is respectively connected with the other one of the second reinforcing parts and the bracket, so that the pressure sensing part is suspended.
Optionally, the first reinforcing portion is provided with at least one stress concentration groove extending through the thickness thereof, the stress concentration groove extending from the end portion to the inner side.
Optionally, two stress concentration grooves are symmetrically arranged on the reinforcing plate.
Optionally, the pressure sensing part comprises at least one fixed resistor and at least one variable resistor; wherein,
the center of the variable resistor is collinear with the center of the corresponding stress concentration groove, and the fixed variable resistor is arranged on one side of the corresponding variable resistor.
Optionally, the bracket is further provided with a plurality of hollow parts penetrating through the thickness of the bracket, wherein,
each hollow-out part corresponds to one pressure sensing part, and the orthographic projection of the hollow-out part on the corresponding pressure sensing part is located on the outer side of the pressure sensing part.
Optionally, one side of the support, which deviates from the pressure sensing unit, is further provided with a plurality of fixing pieces, and at least two fixing pieces are symmetrically arranged on two sides of each hollow-out portion.
A second aspect of the present invention provides an electronic device, including the foregoing description the touch module.
The utility model provides a touch module, which comprises a bracket, forced induction layer and touch panel, wherein, the forced induction layer sets up the one side along its thickness direction at the support, the forced induction layer includes a plurality of forced induction units, touch panel sets up the one side that deviates from the support at the forced induction layer, touch panel includes central zone and surrounds the peripheral region that central zone set up, a plurality of forced induction units correspond and set up in peripheral region department, respond to the small bending deformation in touch panel surface through the forced induction unit, with the pressure signal that detects touch panel normal direction, the mechanical button function that can realize traditional touch pad need not pressing down of mechanical type, just the utility model discloses a touch module adopts integral manufacturing, need not unnecessary trompil, has higher sensitivity and accuracy.
Drawings
Fig. 1 is a schematic view of an overall structure of a touch module according to a first embodiment of the present invention;
fig. 2 is a whole cross-sectional view of a pressure sensing unit in a touch module according to a second embodiment of the present invention;
fig. 3 is a top view of a pressure sensing unit in a touch module according to a third embodiment of the present invention;
fig. 4 is a bottom view of a pressure sensing unit in a touch module according to a fourth embodiment of the present invention;
fig. 5 is a schematic structural diagram of a pressure sensor in a touch module according to a fifth embodiment of the present invention;
fig. 6 is a schematic structural diagram of a circuit board in a pressure sensor according to a sixth embodiment of the present invention;
fig. 7 is a schematic structural view of a reinforcing plate in a pressure sensor according to a seventh embodiment of the present invention;
fig. 8 is a schematic structural diagram of a bracket in a touch module according to an eighth embodiment of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a first aspect of the present invention provides a touch module 100, including: the touch panel comprises a support 110, a pressure sensing layer 120 and a touch panel 130, wherein the pressure sensing layer 120 is arranged on one side of the support 110 along the thickness direction of the support, the pressure sensing layer 120 comprises a plurality of pressure sensing units, the touch panel 130 is arranged on one side of the pressure sensing layer 120, which is deviated from the support 110, the touch panel 130 comprises a central area and a peripheral area, which is arranged around the central area, wherein the plurality of pressure sensing units are correspondingly arranged on the peripheral area to detect pressure signals of the touch panel.
This embodiment presss from both sides the forced induction layer and establishes between touch panel and support, and the forced induction layer includes a plurality of forced induction units, and a plurality of forced induction units all correspond and set up in the peripheral region of touch panel, respond to the small bending deformation in touch panel surface through a plurality of forced induction units to detect touch panel normal direction pressure signal, need not the mechanical type press down the mechanical button function that can realize traditional touch pad, just the utility model discloses a touch module adopts integral manufacturing, need not unnecessary trompil, has higher sensitivity and accuracy.
It should be noted that, in this embodiment, neither the number of the pressure sensing units nor the positions of the pressure sensing units disposed in the peripheral area of the touch panel are specifically limited, and may be selected according to the shape of the touch panel, for example, as shown in fig. 1, when the touch panel is in a rectangular structure, 4 pressure sensing units may be disposed in the pressure sensing layer, and the pressure sensing layer may be disposed at four vertex angles below the touch panel in the rectangular structure, and of course, 5, 6, 8, or more pressure sensing units may also be disposed to detect the pressure on the surface of the touch panel.
Specifically, as shown in fig. 2 to 5, the pressure sensing unit of the present example includes: pressure sensor 121(1211/1212), first connection layer 122, second connection layer 123. Among them, the first connection layer 122 is disposed at a side of the pressure sensor 121 facing the touch panel 130 to connect the pressure sensor 121 with the touch panel 130, and the second connection layer 123 is disposed at a side of the pressure sensor 121 facing the support 110 to connect the pressure sensor 121 with the support 110.
It should be noted that, in this embodiment, the structure of the first connection layer and the second connection layer is not specifically limited, as long as the pressure sensor can be fixed between the touch panel and the bracket, for example, the first connection layer and the second connection layer may be adhesive layers, which may be double-sided adhesive layers, acrylic foam adhesive layers, silicone adhesive layers, or other similar adhesive layers, so as to perform the functions of adhesion and transferring deformation, and not only fix the pressure sensor, but also support and adhere, and transfer the slight bending change of the touch panel to the pressure sensor.
It should be further noted that, in this embodiment, the type of the pressure sensor is not specifically limited, and a piezoresistive pressure sensor, a piezoelectric pressure sensor, a strain gauge type pressure sensor, etc. may be adopted, and those skilled in the art may select the pressure sensor according to actual needs.
Specifically, the present embodiment adopts a piezoresistive pressure sensor, which has high precision and good linearity, and may adopt a single-bridge, half-bridge or full-bridge wheatstone bridge structure, which is not limited in this respect. For example, as shown in fig. 2 to 6, the piezoresistive pressure sensor 121 of the present embodiment includes: the circuit board 1211 includes a pressure sensing portion 1211a and a connecting circuit portion 1211b connected to the pressure sensing portion 1211a, wherein the pressure sensing portion 1211a is disposed on a side (a lower surface of the reinforcing plate) of the reinforcing plate 1212 facing the bracket 110. The side of the stiffener 1212 facing the touch panel 130 (the upper surface of the stiffener) is connected to the first connection layer 122, and the side of the stiffener 1212 facing the bracket 110 (the lower surface of the stiffener) is connected to the second connection layer 123.
Further, in order to make the middle area of the pressure sensor in a suspended state and facilitate detection of pressure signals, the second connecting layer is located at two ends of the lower surface of the reinforcing plate in the embodiment, so that the pressure sensor can be arranged at the central area of the lower surface of the reinforcing plate and fixed on the support. Specifically, as shown in fig. 2 to 4, the reinforcing plate 1212 of the present embodiment includes a first reinforcing portion located in the middle region and two second reinforcing portions located on both sides of the first reinforcing portion, and accordingly, the second connection layer 123 includes a first sub connection layer and a second sub connection layer which are oppositely spaced. Referring to fig. 3, one side of the first reinforcing portion of the reinforcing plate 1212 facing the touch panel 130 is connected to the first connecting layer 122, and as shown in fig. 4, the other side of the reinforcing plate 1212 corresponding to the first connecting layer 122, that is, the side of the first reinforcing portion facing the bracket 110, is connected to the pressure sensing portion 1211a of the circuit board 1211. Except for the middle area of the reinforcing plate, the two side areas of the reinforcing plate are connected by the second connecting layer, specifically, referring to fig. 4, the first sub-connecting layer in the second connecting layer 123 is respectively connected with one of the second reinforcing parts and the bracket 110, the second sub-connecting layer in the second connecting layer 123 is respectively connected with the other one of the second reinforcing parts and the bracket 110, so that the pressure sensing part is suspended towards one side of the bracket, namely, the second connecting layer and the reinforcing plate form a bridge-shaped simply supported beam structure, so that the pressure sensor is in a suspended state, thereby facilitating the detection of the bending deformation of the touch panel when being pressed, so as to detect the pressure signal and improve the detection sensitivity.
As can be seen from the above description, the first reinforcing part of the present embodiment corresponds to the pressure sensing part, and senses the slight complete deformation of the surface of the touch panel through the pressure sensing part in the middle area, as shown in fig. 2 to 6, the pressure sensing part 1211a of the present embodiment includes at least one variable resistor 1211c and at least one fixed resistor 1211 d. The center of the variable resistor 1211c is collinear with the center of the corresponding stress concentration groove 1212a, and the fixed resistor 1211d is disposed on one side of the corresponding variable resistor 1211c, that is, the center line of the variable resistor 1211c is aligned with the center line of the stress concentration groove 1212a of the stiffener 1212. Specifically, as shown in fig. 6, in the present embodiment, the pressure sensing portion 1211a of the circuit board is provided with 2 variable resistors 1211c and 2 fixed resistors 1211d, wherein the 2 variable resistors 1211c are sequentially arranged in the direction of the center line of the two stress concentration grooves 1212a on the reinforcing plate 1212, and one of the fixed resistors 1211d is arranged on the right side of one of the variable resistors 1211c, and the other fixed resistor 1211d is arranged on the left side of the other variable resistor 1211c, so as to form a wheatstone bridge having a diamond structure, sense the pressure change on the touch panel through the pressure sensitive resistor strip, and generate an output signal according to the external pressure change received by the touch panel through the wheatstone bridge, and transmit the output signal to the connection circuit portion 1211b for transmitting the pressure detection signal to the control board on the touch panel for signal processing.
It should be noted that, the circuit board of this embodiment may be a flexible circuit board, and because the flexible circuit board has the characteristics of high wiring density, light weight, and thin thickness, the product volume may be effectively reduced, and an integrated circuit configuration may be implemented, where the connection circuit portion may be a single-sided circuit board or a double-sided circuit board, which is not specifically limited to this, and the two connection circuit portions are connected along the length direction of the peripheral area of the touch panel, and an integrated circuit configuration is implemented to output the detected pressure signal. It should be understood that the thickness of the flexible circuit board employed in the present embodiment cannot be too large to ensure that the pressure sensing portion of the flexible circuit board is easily deformed under pressure. In addition, the stiffening plate of this embodiment can adopt the stiffening plate of metal sheet, FR4 or other rigidity panel, does not specifically limit to this to again, plays the effect of support through setting up the stiffening plate, can effectively prevent phenomenons such as circuit board fracture, improves product preparation yield.
Further, in order to allow the pressure sensor to sense a large strain, in the present embodiment, the first reinforcing portion of the reinforcing plate is provided with at least one stress concentration groove extending through the thickness thereof, and the stress concentration groove extends inward from the end portion. That is, the stiffening plate of the present embodiment has a first side and a second side opposite to each other in the width direction, and the stress concentration groove extends from the first side to the second side, or extends from the second side to the first side, but it is needless to say that the stress concentration groove may be provided in both directions, as shown in fig. 7, two stress concentration grooves 1212a are symmetrically provided at the center position of the stiffening plate 1212 in the length direction, one of the stress concentration grooves 1212a extends from the first side to the second side, the other stress concentration groove 1212a extends from the second side to the first side, and the two stress concentration grooves are symmetrical. The pressure sensor can be made to sense a larger deformation.
It should be noted that, in this embodiment, the number, shape and position of the stress concentration slots are not specifically limited, and the stress concentration slots may be U-shaped, V-shaped, rectangular or other slotted forms that are easy to generate stress concentration, and those skilled in the art can select the stress concentration slots according to experimental needs.
Still need to explain, in order to avoid the support to warp along with the forced induction portion of flexible circuit board together, influence the detection of pressure signal, the support of this embodiment adopts rigid material, generally adopts the metal material, and like this, the support of rigid material has better stability, non-deformable.
Further, in order to obtain a larger deformation of the sensor, as shown in fig. 8, in this embodiment, a plurality of hollow-out portions 111 penetrating through the thickness of the bracket 110 are further disposed, wherein each hollow-out portion 111 corresponds to one pressure sensing portion 1211a, and a forward projection of the hollow-out portion 111 on the corresponding pressure sensing portion 1211a falls outside the pressure sensing portion 1211 a. That is to say, the support all opens the fretwork region under the forced induction region of every flexible circuit board, and the border of every fretwork region will be greater than the forced induction region, like this, can effectively avoid the problem that pressure sensor touched because of the too big arouse of stroke through this fretwork region, secondly, can also make pressure sensor acquire bigger deformation to improve pressure sensor's detectivity and precision.
It should be understood that, when the thickness of the second adhesive layer is sufficiently large, the hollow portion may not be disposed in the support region right below the pressure sensing portion, that is, as long as it is ensured that there is a sufficiently large deformation stroke below the pressure sensing portion, the pressure sensor may not be touched due to an excessively large stroke, and it is possible for those skilled in the art to set the support region according to actual needs.
It should be noted that, in this embodiment, how the bracket is fixed on the electronic device is not specifically limited, and the bracket may be directly assembled on a bottom case of the electronic device, for example, a bottom case of a notebook computer, or a bottom board of a mobile phone, or of course, a fixing member may be disposed on the bracket and fixed on the electronic device through the fixing member. For example, as shown in fig. 2 and fig. 8, a plurality of fixing members 112 are further disposed on a side of the bracket 110 away from the pressure sensing layer 120, at least two fixing members 112 are symmetrically disposed on both sides of each hollow portion 111, and the fixing members may be threaded pillar fixing members, that is, if four pressure sensing units are disposed on the pressure sensing layer in this embodiment, eight threaded pillar fixing members may be correspondingly disposed on the bracket, and the touch module is fixed on the bottom case of the electronic device through the threaded pillar fixing members, so that the stability of the touch module is increased.
A second aspect of the present invention provides an electronic device, including the touch module 100 described above.
It should be noted that the electronic device may include a mobile phone or a notebook computer, for example, the mobile phone may be a screen of the mobile phone, and further, the notebook computer may be a touch pad in a keyboard area of the computer, of course, the touch module may also be disposed in other electronic devices to achieve sensing and detecting deformation of the surface of the touch panel and detecting a pressure signal on the surface of the touch panel, and some functions of the touch pad of the notebook computer, such as games, designs, and the like, may be extended by detecting the magnitude of the pressure signal.
The utility model provides a touch module and electronic equipment compares with prior art, has following beneficial effect: the utility model discloses the accessible sets up a plurality of forced induction units in touch panel's peripheral region and responds to the small bending deformation in touch panel surface to detect touch panel normal direction pressure signal, replaced two keys of an organic whole of present mainstream, the realization of button function adopts the mechanical structure of "springboard formula" mostly, has still avoided the insensitivity defect of touch panel peripheral region button. And, the utility model discloses a forced induction unit adopts "bridge form" simple beam structure for pressure sensor's middle zone is in unsettled state, and the bending deformation when being convenient for detect touch panel pressurized has higher sensitivity and accuracy. Additionally, the utility model discloses a touch-control module adopts integral manufacturing, need not unnecessary trompil, need not the mechanical type press down can realize the mechanical button function of traditional touch pad, have long-life cycle use, waterproof dustproof, the structure is succinct, the advantage of being convenient for maintain. Furthermore, the utility model discloses a touch module can effectively expand electronic equipment's application function scope.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A touch module, comprising:
a support;
the pressure sensing layer is arranged on one side of the support along the thickness direction of the support, and comprises a plurality of pressure sensing units;
a touch panel disposed on a side of the pressure-sensitive layer facing away from the support, the touch panel including a central region and a peripheral region disposed around the central region, wherein,
the plurality of pressure sensing units are correspondingly arranged at the peripheral area so as to detect pressure signals of the touch panel.
2. The touch module of claim 1, wherein the pressure sensing unit comprises:
a pressure sensor;
a first connection layer disposed on a side of the pressure sensor facing the touch panel to connect the pressure sensor with the touch panel;
the second connecting layer is arranged on one side, facing the support, of the pressure sensor so as to connect the pressure sensor with the support.
3. The touch module of claim 2, wherein the pressure sensor comprises:
the side, facing the touch panel, of the reinforcing plate is connected with the first connecting layer, and the side, facing the bracket, of the reinforcing plate is connected with the second connecting layer;
the circuit board comprises a pressure sensing part and a connecting circuit part connected with the pressure sensing part, and the pressure sensing part is arranged on one side of the support towards the reinforcing plate.
4. The touch module of claim 3, wherein the stiffener comprises a first stiffener located in a middle region and two second stiffeners located at two sides of the first stiffener, and the second connection layer comprises a first sub-connection layer and a second sub-connection layer that are disposed at an interval; wherein,
one side, facing the touch panel, of the first reinforcing part is connected with the first connecting layer, and one side, facing the support, of the first reinforcing part is connected with the pressure sensing part;
the first sub-connecting layer is respectively connected with one of the second reinforcing parts and the bracket, and the second sub-connecting layer is respectively connected with the other one of the second reinforcing parts and the bracket, so that the pressure sensing part is suspended.
5. The touch module of claim 4, wherein the first reinforcing portion has at least one stress concentration groove extending through a thickness thereof, and the stress concentration groove extends inward from an end portion.
6. The touch module of claim 5, wherein the stiffener is symmetrically provided with two stress concentration grooves.
7. The touch module of claim 5, wherein the pressure sensing portion comprises at least one fixed resistor and at least one variable resistor; wherein,
the center of the variable resistor is collinear with the center of the corresponding stress concentration groove, and the fixed resistor is arranged on one side of the corresponding variable resistor.
8. The touch module of any one of claims 3-7, wherein the frame further comprises a plurality of openings extending through the thickness of the frame,
each hollow-out part corresponds to one pressure sensing part, and the orthographic projection of the hollow-out part on the corresponding pressure sensing part is located on the outer side of the pressure sensing part.
9. The touch module of claim 8, wherein a plurality of fixing members are further disposed on a side of the bracket facing away from the pressure sensing unit, and at least two fixing members are symmetrically disposed on two sides of each hollow portion.
10. An electronic device comprising the touch module of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020826466.8U CN212322231U (en) | 2020-05-18 | 2020-05-18 | Touch module and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020826466.8U CN212322231U (en) | 2020-05-18 | 2020-05-18 | Touch module and electronic equipment |
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| CN212322231U true CN212322231U (en) | 2021-01-08 |
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| CN202020826466.8U Active CN212322231U (en) | 2020-05-18 | 2020-05-18 | Touch module and electronic equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113093868A (en) * | 2021-03-19 | 2021-07-09 | 联想(北京)有限公司 | Electronic device |
| CN113365121A (en) * | 2021-06-17 | 2021-09-07 | 歌尔股份有限公司 | Remote controller and electronic system |
| CN113503808A (en) * | 2021-07-23 | 2021-10-15 | 深圳瑞湖科技有限公司 | Forced induction structure suitable for curved surface deformation detects |
| CN113558529A (en) * | 2021-07-23 | 2021-10-29 | 深圳瑞湖科技有限公司 | Induction key and floor sweeping robot |
| CN113608639A (en) * | 2021-08-19 | 2021-11-05 | 东莞明轩技术有限公司 | Three-dimensional touch signal induction module, three-dimensional touch panel and three-dimensional touch method |
| CN114740999A (en) * | 2022-04-18 | 2022-07-12 | 深圳市汇顶科技股份有限公司 | Pressure touch pad, pressure touch pad assembly and electronic equipment |
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2020
- 2020-05-18 CN CN202020826466.8U patent/CN212322231U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113093868A (en) * | 2021-03-19 | 2021-07-09 | 联想(北京)有限公司 | Electronic device |
| CN113365121A (en) * | 2021-06-17 | 2021-09-07 | 歌尔股份有限公司 | Remote controller and electronic system |
| CN113365121B (en) * | 2021-06-17 | 2023-01-24 | 歌尔股份有限公司 | Remote controller and electronic system |
| CN113503808A (en) * | 2021-07-23 | 2021-10-15 | 深圳瑞湖科技有限公司 | Forced induction structure suitable for curved surface deformation detects |
| CN113558529A (en) * | 2021-07-23 | 2021-10-29 | 深圳瑞湖科技有限公司 | Induction key and floor sweeping robot |
| CN113558529B (en) * | 2021-07-23 | 2023-07-18 | 深圳瑞湖科技有限公司 | Induction button and robot sweeps floor |
| CN113608639A (en) * | 2021-08-19 | 2021-11-05 | 东莞明轩技术有限公司 | Three-dimensional touch signal induction module, three-dimensional touch panel and three-dimensional touch method |
| CN114740999A (en) * | 2022-04-18 | 2022-07-12 | 深圳市汇顶科技股份有限公司 | Pressure touch pad, pressure touch pad assembly and electronic equipment |
| CN114740999B (en) * | 2022-04-18 | 2023-11-14 | 深圳市汇顶科技股份有限公司 | Pressure touch pad, pressure touch pad assembly and electronic equipment |
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