CN104777483B - Height parsing touch sensing device - Google Patents

Height parsing touch sensing device Download PDF

Info

Publication number
CN104777483B
CN104777483B CN201510186159.1A CN201510186159A CN104777483B CN 104777483 B CN104777483 B CN 104777483B CN 201510186159 A CN201510186159 A CN 201510186159A CN 104777483 B CN104777483 B CN 104777483B
Authority
CN
China
Prior art keywords
sensing device
touch sensing
up layer
surface roughness
characterised
Prior art date
Application number
CN201510186159.1A
Other languages
Chinese (zh)
Other versions
CN104777483A (en
Inventor
郑立婷
黄彦衡
陈宗凯
黄世杰
卢宏杰
Original Assignee
业成光电(深圳)有限公司
英特盛科技股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 业成光电(深圳)有限公司, 英特盛科技股份有限公司 filed Critical 业成光电(深圳)有限公司
Priority to CN201510186159.1A priority Critical patent/CN104777483B/en
Publication of CN104777483A publication Critical patent/CN104777483A/en
Application granted granted Critical
Publication of CN104777483B publication Critical patent/CN104777483B/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/521Constructional features

Abstract

The invention discloses a kind of high parsing touch sensing device, it is to make an improvement for existing touch sensor, and such a high parsing touch sensing device is to include having a ultrasonic component, to be detected to a tested object and provide sensing result.In addition, one cushion is disposed on the surface of ultrasonic component, one layer of filling and leading up with smooth surface is disposed on cushion, to manifest the smooth surface, and tested object is contacted with this smooth surface, thereby reduction tested object between because surface roughness and caused by interference, in this, the present invention can effectively lift the sensing precision and analytic ability of touch sensor.

Description

Height parsing touch sensing device

Technical field

The invention relates to a kind of touch sensing device, particularly a kind of surface roughness for contacting object by improving Touch sensing device is parsed with the height for lifting analytic ability.

Background technology

In general, tactile sensing measurement system is similar to the function of human finger, when being contacted with object, it is known that The feature of the body surface contacted and other physical property information, for example:The intensity of active force or pressure and spatial distribution, thing The characteristic information such as shape and position, surface pattern quality, temperature, pliability or humidity.With scientific and technological now increasingly flourishing With development, current existing tactile sensing measurement system can significantly be applied to such as control machine people in industrial circle (such as crawl object) is acted, touch input equipment is used as with reference to display, realizes identification of fingerprint or virtual reality Purposes such as (Virtual Reality).

Wherein, for application, accurate and high-resolution tactile sensing can be only provided, standard can be contributed to The angle and orientation of contacted object really are judged, more in order to beneficial to lifting tactile sensing technology (Tactile Sensing Technology fluency).Still further, a reliable touch sensor is stressed, and is to allow for not Being changed by external environment is influenceed so that sensing function can all keep accurate sensitivity water under any condition of work It is flat.As for, easily the factor of influence tactile sensing is many in environment, on the whole for include:Temperature, humidity in environment, connect Touch interface smoothness whether etc. factor.And in order to maintain touch sensor preferably to sense precision and analytic ability, it is existing Technology is all directed to reducing the factor that influence and interference are likely to result in environment.However, these usual efficiency of improvement are not good, or The amplitude of lifting is fairly limited, and can not efficiently solve the factor that tactile sensing interference and noise are caused in environment.

In view of this demand, while in order to provide a kind of touch sensor with high sensing precision, the present inventor is Thoughts Prior Art can improve, and according to the correlation experience being engaged in for many years in this respect, carefully observe and study it, and coordinate The utilization of scientific principle, and propose a kind of novel in design and can effectively lift the present invention of tactile sensing precision, it is to disclose a kind of high The touch sensing device of parsing, its specific framework and embodiment will be described under.

The content of the invention

To solve the problem of known techniques are present, one of present invention purpose is to be to provide a kind of high parsing tactile sensing dress Put, it is to make an improvement for existing touch sensor, compared to known techniques, such a novel high parsing tactile sensing dress Put and contribute to provide preferably detection benefit and analytic ability.

The further object of the present invention is to be to provide a kind of high parsing touch sensing device, and it is filled and led up by offer one Layer, and improved using the smooth surface of layer is filled and led up with contacting the surface roughness between object, thereby reduce because of surface roughness Caused interference, and then lift the sensing precision and signal analytic ability of touch sensing device.

A further object of the present invention is to be to provide a kind of high parsing touch sensing device, and this sensing device further can be not only directed to Existing touch sensor carries out improvement with outside application, more can further be used for the parsing of future technology robot finger touch Ability, all can virtually improve the category that the present invention can be applied, and promote its industrial applicability using the present invention.

Therefore the present invention is to disclose a kind of high parsing touch sensing device, touched for contacting a tested object and perceiving it Feel.Such a high parsing touch sensing device includes a ultrasonic component, a cushion and one fills and leads up layer.Wherein, ultrasonic Component has multiple sensing units for being used in and sending and receiving signal, so that sensing knot is detected and provided to tested object Really.Cushion is disposed on the surface of ultrasonic component.It is to have a smooth surface to fill and lead up layer, and is arranged at the table of cushion Face, to manifest the smooth surface, and is contacted with tested object using this smooth surface, thereby because of table between reduction and tested object Interference caused by surface roughness.

Wherein, according to embodiments of the present invention, the material of described cushion for example can for organic material, inorganic material, Or the hybrid material being mixed with organic material and inorganic material.

According to embodiments of the present invention, wherein, the described material for filling and leading up layer also for example can be organic material, inorganic material Material or the hybrid material being mixed with organic material and inorganic material.

According to embodiments of the present invention, wherein, the described acoustic reactance value for filling and leading up layer is greater than 1.2 * seconds/rice of newton3

According to embodiments of the present invention, wherein, the described thickness for filling and leading up layer is greater than 3 microns.

According to embodiments of the present invention, wherein, the described surface pencil hardness for filling and leading up layer is greater than 3H.

According to embodiments of the present invention, wherein, the surface that the described surface roughness for filling and leading up layer should be greater than cushion is thick Rugosity.Furthermore, the surface roughness for filling and leading up layer should be less than or equal to 10 microns, as the surface roughness of cushion is then more than Or equal to 3 microns.

Still further, in order to remove the interference between tested object caused by surface roughness completely, the present invention Institute further can more be compensated using its surface roughness for filling and leading up layer through a software, for example, treat as surface roughness Background value is deducted, then also can be used to implement the goal of the invention of the present invention.

It is beneath to coordinate appended schema elaborate by specific embodiment, when the purpose, the skill that are easier to understand the present invention Art content, feature and its it is reached the effect of.

Brief description of the drawings

Fig. 1 is the structural representation of touch sensor of being commonly seen for one.

Fig. 2 is for the structural representation according to the height of embodiment of the present invention parsing touch sensing device.

The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.

Embodiment

Present disclosure explanation is related to above, with following embodiment is demonstrated with explaining essence of the invention God and principle, and provide the present invention patent claim further explain.Feature for the present invention, implementation and work( Effect, hereby coordinates schema to make preferred embodiment detailed description as follows.

In order to effectively lift the signal analytic ability of existing touch sensor, the present invention be directed to this target propose it is a kind of compared with Good improved device, it is for a high parsing touch sensing device.Wherein, in order to be able to technology of the present invention is better understood Content, also referring to the schematic diagram of structure shown in Fig. 1 and Fig. 2, the present invention will carry out detailed be described as follows accordingly.

First, as shown in figure 1, it is the structural representation of touch sensor of being commonly seen for one.As illustrated, a ultrasonic group Part 10 is, to be detected to tested object 20, and to provide sensing result, wherein, it is to make with multiple in ultrasonic component 10 Sensing unit for sending and receiving signal (as shown by arrows), to be detected to tested object 20.Due to ultrasonic group The operating principle of part 10 mainly by one probe launches sound wave, encounter tested object 20 interface 21 produce bounce-back ripple, then by Probe is detected, you can learn the relative position and sensing results of interface and probe.The technology of this some actually section now Person known to skill, and the simultaneously invention emphasis of non-invention, therefore with regard to the thin portion technology contents of this ultrasonic assembly portion point, the present invention is simultaneously Without repeating.

Afterwards, a cushion (buffer) 30 is disposed on the surface of ultrasonic component 10, in one embodiment, cushion 30 material for example can be organic material, inorganic material or the hybrid material (example being mixed with organic material and inorganic material Such as:Dimethyl silicone polymer, Polydimethylsiloxane, PDMS).As shown in figure 1, putting down due to cushion 30 and non-fully The material of sliding (smooth), therefore with that may have asking for surface roughness (roughness) on the interface 21 of tested object 20 Topic, therefore, the present invention is to be provided with one on this interface 21 to fill and lead up layer 40, and its structure is referred to shown in Fig. 2.

As shown in Fig. 2 the side for filling and leading up layer 40 be have a smooth surface 41, also, fill and lead up layer 40 be disposed on buffering On the surface of layer 30, to manifest the smooth surface 41 simultaneously.Therefore according to embodiments of the present invention, fill and lead up layer 40 be can profit Tested object 20 is contacted with this smooth surface 41, to reduce the table between the interface 21 of tested object 20 using smooth surface 41 Surface roughness.In general, after the surface roughness of contact interface is improved, then commonly seeing dry caused by surface roughness Disturb and noise can effectively be prevented, then the present invention thereby can further lift the sensing precision of sensor.It is worth saying It is bright, due to the present invention mainly use provide this have smooth surface 41 fill and lead up layer 40 lifted touch sensing device it Signal analytic ability, therefore the numerical value such as the relevant material that this fills and leads up layer 40, thickness and surface roughness, then be all that the present invention is necessary Design focal point that is kind plus considering.

Specifically, according to embodiments of the present invention, filling and leading up the material selection of layer 40 for example can be:It is organic material, inorganic Material or the hybrid material that is mixed with organic material and inorganic material are (for example:Dimethyl silicone polymer, Polydimethylsiloxane, PDMS), as shown in Fig. 2 its thickness T have to be larger than 3 microns (μm).As for, fill and lead up layer 40 it Acoustic reactance value (acoustic impedance) then should be greater than 1.2 * seconds/rice of newton3, surface pencil hardness (surface pencil Hardness 3H need to) be more than.In addition, according to embodiments of the present invention, the surface roughness for filling and leading up layer 40 more should be greater than delaying The surface roughness of layer 30 is rushed, for example, need to be less than or equal to by filling and leading up the surface roughness of layer 40 by 10 microns, as cushion 30 Surface roughness be then greater than or equal to 3 microns.

Still further, in order to remove the interference between tested object 20 caused by surface roughness, this hair completely Layer 40 is filled and led up selected by bright, its surface roughness more can be compensated further through a software, for example:Directly by surface Roughness as background value deduct, then using the method, also can effectively by it is known because surface roughness and caused by interference and Noise is removed completely.For example, the signal intensity received by touch sensing device can be by deduction roughness (i.e. background value) Integral area represent, when carry out quantitative analysis when, you can effectively by originally because disturbing and making an uproar formed by surface roughness Sound is removed completely, further preferably realizes the goal of the invention of the present invention.

Therefore in summary, disclosed herein height parsing touch sensing device be for one kind it is novel and not seen before Design, it is that using one there is smooth surface to fill and lead up layer, to be contacted using this specific layer of filling and leading up with tested object, Thereby improve the surface roughness on contact interface.Wherein, because the interference caused by surface roughness and noise can have Effect ground prevented, therefore disclosed herein touch sensing device naturally have preferably signal analytic ability with perceive benefit.

For another aspect, according to disclosed herein height parse touch sensing device, this sensing device further not only can pin Improvement is carried out to existing touch sensor outer with application, more can further be used for the solution of future technology robot finger touch Analysis ability, all can using the present invention, therefore compared to known techniques, disclosed herein touch sensing device, it is clear that with compared with Good sensing benefit and analytic ability, it is real that there is splendid industry development, in the potentiality of development, not only virtually to be carried with wide The category that the high present invention can be applied, further promotes its industrial applicability.

Therefore, the purpose and effect of the obvious present invention are to be substantially better than prior art, and disclosed herein skill Art feature, Method means are with being to be significantly different than current programme the effect of reaching, and non-in fact is that those skilled in the art can be easily Complete winner, therefore possessing has patent requirement.

Many embodiments described above are only technological thought and features to illustrate the invention, and its purpose makes to be familiar with this The personage of skill can understand the content of the present invention and implement according to this, when can not with the restriction present invention the scope of the claims, i.e., Generally the equivalent change made according to disclosed spirit or modification, should cover in the scope of the claims of the present invention.

Claims (9)

1. a kind of high parsing touch sensing device, it is characterised in that for contacting a tested object and perceiving its tactile, high solution Analysis touch sensing device includes:
One ultrasonic component, with multiple sensing units for being used in and sending and receiving signal, to be detectd to the tested object Survey and sensing result is provided;
One cushion, is disposed on the surface of the ultrasonic component;And
One fills and leads up layer, is to have a smooth surface, wherein, this is filled and led up layer and is disposed on the surface of the cushion, and it is flat to expose this Sliding surface, to contact the tested object using the smooth surface, reduction between the tested object caused by surface roughness it Interference;
Wherein, the thickness of the cushion is more than the thickness that this fills and leads up layer, and the thickness for filling and leading up layer is greater than 3 microns.
2. height parsing touch sensing device as claimed in claim 1, it is characterised in that the material of the cushion is for organic material Material, inorganic material or the hybrid material being mixed with organic material and inorganic material.
3. height parsing touch sensing device as claimed in claim 1, it is characterised in that the material for filling and leading up layer is for organic material Material, inorganic material or the hybrid material being mixed with organic material and inorganic material.
4. height parsing touch sensing device as claimed in claim 1, it is characterised in that the acoustic reactance value for filling and leading up layer is greater than 1.2 * seconds/rice of newton3
5. height as claimed in claim 1 parses touch sensing device, it is characterised in that the surface pencil hardness for filling and leading up layer is More than 3H.
6. height parsing touch sensing device as claimed in claim 1, it is characterised in that the surface roughness for filling and leading up layer is big In the surface roughness of the cushion.
7. height parsing touch sensing device as claimed in claim 6, it is characterised in that the surface roughness for filling and leading up layer is small In or equal to 10 microns.
8. height parsing touch sensing device as claimed in claim 6, it is characterised in that the surface roughness of the cushion is big In or equal to 3 microns.
9. height parsing touch sensing device as claimed in claim 1, it is characterised in that the surface roughness for filling and leading up layer more may be used Compensated through a software, to remove the interference between the tested object caused by surface roughness completely.
CN201510186159.1A 2015-04-17 2015-04-17 Height parsing touch sensing device CN104777483B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510186159.1A CN104777483B (en) 2015-04-17 2015-04-17 Height parsing touch sensing device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510186159.1A CN104777483B (en) 2015-04-17 2015-04-17 Height parsing touch sensing device
TW104136341A TWI564584B (en) 2015-04-17 2015-11-04 Highly analytical tactile sensing device

Publications (2)

Publication Number Publication Date
CN104777483A CN104777483A (en) 2015-07-15
CN104777483B true CN104777483B (en) 2017-09-29

Family

ID=53619062

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510186159.1A CN104777483B (en) 2015-04-17 2015-04-17 Height parsing touch sensing device

Country Status (2)

Country Link
CN (1) CN104777483B (en)
TW (1) TWI564584B (en)

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1280069C (en) * 2003-11-01 2006-10-18 中国科学院合肥智能机械研究所 Flexible tactile sensor and method for detecting infomation of tactile sensation
US8570295B2 (en) * 2008-01-04 2013-10-29 Tactus Technology, Inc. User interface system
CN101593761B (en) * 2008-05-29 2012-02-08 神盾股份有限公司 Sensing device with sealing compound protective layer and manufacture method thereof
US20120089052A1 (en) * 2010-10-12 2012-04-12 Yuchen Zhou Massaging device with multiple ultrasonic transducers
CN102693050A (en) * 2011-03-23 2012-09-26 上海优熠电子科技有限公司 Touch screen with function of identifying shape of touch point
TW201323851A (en) * 2011-12-05 2013-06-16 Ind Tech Res Inst Photoacoustic imaging apparatus, photoacoustic sensing structure and method of capturing photoacoustic image
US9780335B2 (en) * 2012-07-20 2017-10-03 3M Innovative Properties Company Structured lamination transfer films and methods
DE112013003674T5 (en) * 2012-07-26 2015-04-30 Apple Inc. Force detection by an ultrasonic sensor
KR20140086087A (en) * 2012-12-28 2014-07-08 삼성메디슨 주식회사 Ultrasound system and control method for the same
US8890853B2 (en) * 2013-01-11 2014-11-18 Sharp Laboratories Of America, Inc. In-pixel ultrasonic touch sensor for display applications
CA2905040A1 (en) * 2013-03-15 2014-09-25 Butterfly Network, Inc. Complementary metal oxide semiconductor (cmos) ultrasonic transducers and methods for forming the same
US9323393B2 (en) * 2013-06-03 2016-04-26 Qualcomm Incorporated Display with peripherally configured ultrasonic biometric sensor
US10036734B2 (en) * 2013-06-03 2018-07-31 Snaptrack, Inc. Ultrasonic sensor with bonded piezoelectric layer
JP6314412B2 (en) * 2013-10-11 2018-04-25 セイコーエプソン株式会社 Ultrasonic device and ultrasonic diagnostic apparatus
CN203643986U (en) * 2013-10-24 2014-06-11 昆山特思达电子科技有限公司 Touch screen with smooth feel

Also Published As

Publication number Publication date
TW201638607A (en) 2016-11-01
CN104777483A (en) 2015-07-15
TWI564584B (en) 2017-01-01

Similar Documents

Publication Publication Date Title
Park et al. Dramatically enhanced mechanosensitivity and signal‐to‐noise ratio of nanoscale crack‐based sensors: effect of crack depth
US10120491B2 (en) Localized haptic feedback
US10268270B2 (en) System and method for shape deformation and force display of devices
US8963888B2 (en) Apparatus comprising an optically transparent sheet and related methods
CN104246682B (en) Enhanced virtual touchpad and touch-screen
CN103699318B (en) A kind of electronic equipment touch-control response method and device
US20170123499A1 (en) Three dimensional tactile feedback system
Su et al. Use of tactile feedback to control exploratory movements to characterize object compliance
Fearmonti et al. A review of scar scales and scar measuring devices
US10338681B2 (en) Systems and methods for multi-output electrostatic haptic effects
Delhaye et al. Dynamics of fingertip contact during the onset of tangential slip
JP2019050040A (en) Method and apparatus for haptic flex gesturing
CN102648489B (en) For multi-point touch display and the input of visual test and training
Kuchenbecker et al. Improving contact realism through event-based haptic feedback
Klatzky et al. Touch
EP2212764B1 (en) Method for palm touch identification in multi-touch digitizing systems
US10409470B2 (en) Touch-display accessory with relayed display plane
CN110096136A (en) System for the visual processes of spectrogram to generate haptic effect
CN104049795A (en) Contactor-based haptic feedback generation
JP6553781B2 (en) Electrical stimulation haptic feedback interface
Schoonmaker et al. Vibrotactile force feedback system for minimally invasive surgical procedures
Gwilliam et al. Human vs. robotic tactile sensing: Detecting lumps in soft tissue
Soneda et al. Investigation of vibrotactile sensation of human fingerpads by observation of contact zones
Manfredi et al. The effect of surface wave propagation on neural responses to vibration in primate glabrous skin
KR20140064682A (en) Method and apparatus for providing haptic cues for guidance and alignment with electrostatic friction

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
EXSB Decision made by sipo to initiate substantive examination
GR01 Patent grant
GR01 Patent grant