CN109254658A - Tactile feedback method, haptic feedback devices and touch display unit - Google Patents
Tactile feedback method, haptic feedback devices and touch display unit Download PDFInfo
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- CN109254658A CN109254658A CN201810994104.7A CN201810994104A CN109254658A CN 109254658 A CN109254658 A CN 109254658A CN 201810994104 A CN201810994104 A CN 201810994104A CN 109254658 A CN109254658 A CN 109254658A
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- 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
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/01—Indexing scheme relating to G06F3/01
- G06F2203/014—Force feedback applied to GUI
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The invention discloses a kind of tactile feedback method, haptic feedback devices and touch display units.Tactile feedback method includes: to detect to touch the contact of main body on the touchscreen, and determine the contact position for touching main body on the touch screen；According to the position of the contact position and touch controlled key on the touch screen, tactile access is formed between the contact position and the touch controlled key, touch feedback index signal is issued in the tactile access, the touch feedback index signal is for guiding touch main body to be moved to the position where the touch controlled key, wherein, a touch controlled key corresponds to a kind of touch feedback index signal.The present invention can help user's accurate judgement by generating touch feedback index signal in tactile access and directly find target touch controlled key, feedback method is directly clear, the process for finding touch controlled key is simple, and can reduce faulty operation, shortens and touches the time that main body reaches touch controlled key.
Description
Technical field
The present invention relates to field of display technology, more particularly, to a kind of tactile feedback method, haptic feedback devices and touching
Touch display device.
Background technique
Simpler electronic equipment can be used to pursue in recent years, be operated by touch (contact) come to electronic device
The touch type device that (mobile phone, plate etc.) carries out operation control has become universal.And haptic feedback technology herein basis on
The feedback function interacted with user is increased, haptic feedback technology can be user by a series of actions such as active force, vibrations
Reproduce sense of touch.For example, for game enthusiasts, by haptic feedback technology, the experience that player can be allowed on the spot in person from
And it more immerses wherein.When haptic feedback technology is applied on display device for mounting on vehicle, driver can be controlled by touching
Display device for mounting on vehicle, and the time for checking screen of bowing can be reduced to most short, making to drive becomes more comfortable safety.Thus tactile
Feedback technique becomes the object that all big enterprises fall over each other research.
At present haptic feedback technology in application process, for drive in driver when operating display device for mounting on vehicle,
There is still a need for the positions that seeing to touch screen frequently looks for touch controlled key, this is breakneck in driving procedure, and
If driver does not see to touch screen, and cannot accurately find target key in a short time, usage experience is poor.It is same right
In having the crowd of viewing obstacle when using electronic equipment, it may be necessary to repeatedly attempt accurately find target key, spend
Time is longer.
Therefore it provides a kind of tactile feedback method, haptic feedback devices and touch display unit, can be realized user short
Target key is found in time, is increased user experience, is this field technical problem urgently to be resolved.
Summary of the invention
In view of this, being solved the present invention provides a kind of tactile feedback method, haptic feedback devices and touch display unit
The technical issues of user can find target key in a short time, increase user experience.
In a first aspect, to solve the above-mentioned problems, the present invention provides a kind of tactile feedback method, comprising:
It detects and touches the contact of main body on the touchscreen, and determine and touch the contact position of main body on the touchscreen；
According to the position of contact position and touch controlled key on the touchscreen, touching is formed between contact position and touch controlled key
Feel access, touch feedback index signal is issued in tactile access, touch feedback index signal touches main body for guide and is moved to
Position where touch controlled key a, wherein touch controlled key corresponds to a kind of touch feedback index signal.
Second aspect, to solve the above-mentioned problems, the present invention provide a kind of haptic feedback devices, comprising: touch screen, processing
Device, controller, touch feedback structure；Wherein,
Touch screen, has touch controlled key, and touch screen is able to detect the contact position for touching main body and touches the operation of main body
Movement；
Processor is respectively connected with touch screen and controller, generates contact position according to the contact position for touching main body
Information, and the location information of contact position information and touch controlled key is sent to controller；
Controller issues tactile control to touch feedback structure according to the location information of contact position information and touch controlled key
Signal processed；
Touch feedback structure, is connected with controller, for receiving Tactile control signal, in contact position and touch controlled key
Between formed tactile access, in tactile access issue touch feedback index signal, touch feedback index signal for guide touching
Touch the position that main body is moved to where touch controlled key, wherein a touch controlled key corresponds to a kind of touch feedback index signal.
The third aspect, to solve the above-mentioned problems, the present invention provide a kind of touch display unit, including proposed by the present invention
Any one haptic feedback devices.
Compared with prior art, tactile feedback method provided by the invention, haptic feedback devices and touch display unit, until
Realize less it is following the utility model has the advantages that
Tactile feedback method provided by the invention is pressed touching main body with touch-control after touching body contact to touch screen
A tactile access is formed between key, touch feedback index signal corresponding with touch controlled key is generated in tactile access, is used
Family directly judges whether it is target touch controlled key according to the type for touching the touch feedback index signal that main body is experienced, and works as judgement
To directly find target touch controlled key according to the guide of touch feedback index signal when target touch controlled key.By in tactile access
Interior generation touch feedback index signal helps user's accurate judgement and directly finds target touch controlled key, finds the mistake of touch controlled key
Journey is simple, and can reduce faulty operation, shortens and touches the time that main body reaches touch controlled key, and user can reduce viewing and touch
The number of screen, or even in the case where not watching touch screen also target touch-control can be accurately found by touch feedback index signal
Key, tactile feedback method of the invention provide better user experience.In addition, being touched touching the mobile target of finding of main body
During controlling key, user can only be found according to the touch feedback received, not needed again by other feedback letters
Breath, feedback method is directly clear, and simpler.
Certainly, implementing any of the products of the present invention specific needs while must not reach all the above technical effect.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is the flow chart of tactile feedback method provided in an embodiment of the present invention；
Fig. 2 is tactile access schematic diagram one in tactile feedback method provided in an embodiment of the present invention；
Tactile access schematic diagram two in Fig. 3 tactile feedback method provided in an embodiment of the present invention；
Fig. 4 is a kind of optional embodiment block diagram of tactile feedback method provided in an embodiment of the present invention；
Fig. 5 is tactile access schematic diagram three in tactile feedback method provided in an embodiment of the present invention；
Fig. 6 is another optional embodiment block diagram of tactile feedback method provided in an embodiment of the present invention；
Fig. 7 is tactile access schematic diagram four in tactile feedback method provided in an embodiment of the present invention；
Fig. 8 is tactile access schematic diagram five in tactile feedback method provided in an embodiment of the present invention.
Fig. 9 is the structural block diagram of haptic feedback devices provided in an embodiment of the present invention；
Figure 10 is touch feedback structure schematic top plan view in haptic feedback devices provided in an embodiment of the present invention；
Figure 11 is a kind of structural block diagram of optional embodiment of haptic feedback devices provided in an embodiment of the present invention；
Figure 12 is touch display unit schematic diagram provided in an embodiment of the present invention.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
The present invention provides a kind of tactile feedback method, can be applied to the electronic equipment with touch function, passes through offer
Touch feedback promotes usage experience to reduce dependence of the user to vision.
Fig. 1 is the flow chart of tactile feedback method provided in an embodiment of the present invention.As shown in Figure 1, touching provided by the invention
Feel that feedback method includes:
Step S101: detecting and touch main body contact on the touchscreen, and determines and touch main body connecing on the touchscreen
Touch position.The finger that main body can be user is touched, when user is in operation touch-screen, touch screen, which is currently shown in picture, includes
User wants the target touch controlled key operated, true according to the contact of finger first after the finger of user touches touch screen
Determine contact position, such as be provided with sensor in touch screen, sensor can be pressure sensor, and pressure sensor is once examined
Pressure signal is measured, touch screen can calculate the contact position of finger by pressure signal.In another embodiment,
Touch electrode can be set in touch screen, and the working method of touch electrode can be mutual capacitance type or self-tolerant, contact in finger
When touch screen, the contact position of finger can be calculated by the capacitance variations between detection touch electrode.
Step S102: according to the position of contact position and touch controlled key on the touchscreen, in contact position and touch controlled key
Between form tactile access, touch feedback index signal is issued in tactile access, touch feedback index signal is touched for guiding
Main body is moved to the position where touch controlled key, wherein a touch controlled key corresponds to a kind of touch feedback index signal.
Touch feedback index signal is a kind of tactile feedback signal, and touch feedback index signal is generated in tactile access
Afterwards, the touch main body contacted with touch screen can have sense of touch.The present invention has preset touch controlled key and touch feedback index signal
One-to-one relationship, such user can be according to the differences of sense of touch, to differentiate touch-control corresponding with touch feedback index signal
Key.The sense of touch of touch feedback index signal, such as can be and experience rough surface, different touch controlled keys is corresponding coarse
Degree is different；Or it is also possible to experience vibration, the corresponding vibration frequency difference of different touch controlled keys or different touchings
It is different to control the corresponding amplitude of key, needs to guarantee the tactile of each touch controlled key of the touch screen in the same painting face is shown in a word
It is different to feed back index signal.
After finger contacts touch screen, finger is finding target touch controlled key (i.e. user wants the key triggered) process
In, it will form tactile access between the contact position and touch controlled key of finger.When to be familiar with each touch controlled key corresponding by user
After specific touch feedback index signal, the touch feedback index signal that can be experienced first according to finger directly judges,
Whether the touch controlled key that tactile access is generated with finger contact position is target touch controlled key.If user be judged as target by
Direction where key, tactile access and touch feedback index signal can remind from finger to touch controlled key is mobile, and user is according to touching
Feel the guide of access and touch feedback index signal, finger is finally displaced into the position where touch controlled key；If user judges
It is not target touch controlled key, then after the finger of user moves on the touchscreen, determines that new contact position restarts step
S101。
After finger contacts touch screen, tactile access will form between the contact position and touch controlled key of finger.Fig. 2 is
Tactile access schematic diagram one in tactile feedback method provided in an embodiment of the present invention.As shown in Fig. 2, touch screen 100 is currently shown
In picture have touch controlled key S1, such as in Fig. 2 contact position of the finger on touch screen 100 be A1, then contact position A1 with
Tactile access T1 is generated between touch controlled key S1, the shape of tactile access T1 only schematically shows that tactile access T1 is only in figure
It is to be generated after finger contacts touch screen 100, touch feedback index signal can be generated in the range of tactile access T1.Tactile
Access T1 is equivalent to a Virtual Path, rather than specific structure in touch screen 100.Such as the tactile access T1 in Fig. 2 is big
It is generally one using contact position A1 as the fan shape in the center of circle, finger can be experienced on touch screen 100 in contact position A1
There is touch feedback index signal, mobile along the direction of finger allodynia, finger can accurately be moved to touch-control on which direction
Position where key.
Tactile feedback method provided by the invention is pressed touching main body with touch-control after touching body contact to touch screen
A tactile access is formed between key, touch feedback index signal corresponding with touch controlled key is generated in tactile access, is used
Family directly judges whether it is target touch controlled key according to the type for touching the touch feedback index signal that main body is experienced, and works as judgement
To directly find target touch controlled key according to the guide of touch feedback index signal when target touch controlled key.By in tactile access
Interior generation touch feedback index signal helps user's accurate judgement and directly finds target touch controlled key, finds the mistake of touch controlled key
Journey is simple, and can reduce faulty operation, shortens and touches the time that main body reaches touch controlled key, and user can reduce viewing and touch
The number of screen, or even in the case where not watching touch screen also target touch-control can be accurately found by touch feedback index signal
Key, tactile feedback method of the invention provide better user experience.In addition, being touched touching the mobile target of finding of main body
During controlling key, user can only be found according to the touch feedback received, not needed again by other feedback letters
Breath, feedback method is directly clear, and simpler.
Tactile feedback method provided by the invention further include: moved on the touchscreen with main body is touched, in tactile access
Continuously send out touch feedback index signal.The finger of user refers to after experiencing touch feedback index signal according to touch feedback
Locality where the guide to touch controlled key of fuse number is mobile, and tactile access is also with touching main body on the touchscreen at this time
Move and change.Tactile access schematic diagram two in Fig. 3 tactile feedback method provided in an embodiment of the present invention.Such as Fig. 3 institute
Show, contact position of the finger first on touch screen 100 is A1, then is formed between contact position A1 and touch controlled key S1 first
Tactile access T1.As finger moves on touch screen 100, tactile access also changes.When finger is moved to contact position
When A1', tactile access T1' is formed between contact position A1 and touch controlled key S1, as finger is to close to touch controlled key S1's
Direction is mobile, and the areal extent of the tactile access generated on touch screen 100 gradually becomes smaller.Namely 100 real-time detection of touch screen and
It determines the contact position for touching main body, according to the position of the touch controlled key of determining in real time contact position and precognition, generates in real time
New tactile access issues touch feedback index signal corresponding with touch controlled key in new tactile access.Due to detection
The efficiency of contact position and feedback haptic signal is very high, and the used time is very short, and the switching user of signal can not experience.User
The case where capable of perceiving is, lasting when finger moves on the touchscreen to experience touch feedback, such user is finding target
The position where touch controlled key can be accurately reached during touch controlled key according to the guide of touch feedback index signal, is referred to
The process drawn is lasting and accurate, helps to be quickly found out target touch controlled key.
In tactile feedback method provided by the invention, on the touchscreen, touching is formed between contact position and touch controlled key
After feeling access, namely tactile access can be generated in a certain specific region on the touchscreen, and other positions on touch screen at this time
Tactile state also include a variety of situations.
In one embodiment, tactile feedback method provided by the invention further include: in contact position and touch controlled key
Between form tactile access after, determine that position in touch screen where non-tactile access is non-passage area, produced in non-passage area
Raw weak tactile feedback signal, the sense of touch intensity of weak tactile feedback signal are less than the sense of touch intensity of touch feedback index signal.I.e. such as
Shown in Fig. 2, in touch screen, the generation touch feedback index signal in the region where tactile access T1, and its in touch screen
He generates weak tactile feedback signal in region.In actual touch screen products, it is using touch feedback index signal as vibration signal
Example, since vibration has conductibility, vibration can be conducted from tactile access to non-passage area, cause non-passage area to be able to detect that weak
Tactile feedback signal (faint vibration).Can also be blocked by being designed to touch screen structure vibration from tactile access to
The conduction of non-passage area, it is likely that remaining to detect weak tactile feedback signal (may be faint vibration) in non-passage area.
But regardless of situation, since the sense of touch intensity of weak tactile feedback signal is less than the sense of touch intensity of touch feedback index signal,
When touching main body pressing on the touchscreen, it still is able to tell touch feedback index signal according to the intensity of sense of touch, thus
Judge the direction of touch controlled key position, the position where touch controlled key is then reached according to the guide of touch feedback index signal
It sets.
In one embodiment, tactile feedback method provided by the invention further include: in contact position and touch controlled key
Between form tactile access after, determine that position in touch screen where non-tactile access is non-passage area, non-passage area not
Generate tactile feedback signal.I.e. as shown in Fig. 2, in touch screen, it is anti-that tactile is only generated in the region where tactile access T1
Feedback signal, and other regions do not generate tactile feedback signal in touch screen.Such mode can be avoided other touch feedbacks letter
It ceases and the sense of touch for touching main body is had an impact, user can more accurately judge direction position of the touch controlled key in touch screen
It sets, the position where touch controlled key is then reached according to the guide of touch feedback index signal.
Tactile feedback method provided by the invention further includes detecting the position touched where main body arrival touch controlled key, then
Feedback acknowledgment signal；Confirmation signal is tactile feedback signal and/or auditory feedback signal.
The position where touching main body is determined by detection, and confirmation touches main body being directed to through touch feedback index signal
When up to position where touch controlled key, to main body feedback acknowledgment signal is touched, confirmation signal plays the role of prompting, confirmation signal
User can be reminded to have arrived at the position of touch controlled key, touch controlled key can be operated at this time.Thus it further mentions
User experience is risen.Wherein, confirmation signal can be tactile feedback signal, touch tactile when main body reaches touch controlled key position
Feedback signal is different from touch feedback index signal of user during finding touch controlled key, and tactile feedback signal is only made at this time
For an alerting signal；Confirmation signal may be auditory feedback signal, such as very brief the tinkle of bells, or be also possible to user certainly
The tinkle of bells of oneself setting, or can also remind sound " XX key "；Confirmation signal is also possible to tactile feedback signal and adds
Auditory feedback signal reinforces the prompting to user by two kinds of signals.
Optionally, each touch controlled key can use identical confirmation signal in touch screen, and user is in operation touch-screen
It does not need to remember excessive confirmation signal in the process, interaction is simpler.
Optionally, tactile feedback method provided by the invention further include: detection touches the operational motion of main body, judges to operate
Can movement trigger touch controlled key；If operational motion triggers touch controlled key, auditory feedback signal is issued.It is reached when touching main body
When position where touch controlled key, touch screen can be detected the operational motion for touching main body, can trigger touch controlled key
Operational motion for example can be and horizontally slip, slide up and down or long-pressing touch controlled key etc..When detecting that operational motion can
When triggering touch controlled key, issues audio feedback information reminding user's touch controlled key and be triggered.Increase sound after triggering touch controlled key
Sound is reminded, and allows users to confirm in time whether the operation of oneself is effective, promotes user experience.
Fig. 4 is a kind of optional embodiment block diagram of tactile feedback method provided in an embodiment of the present invention.Such as Fig. 4 institute
Show, tactile feedback method provided by the invention further include: preset first threshold；
Step S201: it according to the position of contact position and touch controlled key on the touchscreen, calculates contact position and is pressed away from touch-control
The distance of key, is denoted as real-time range；
Step S202: judging the size relation of real-time range and first threshold, if real-time range is less than first threshold, with
The corresponding touch controlled key of the real-time range is preferred key；
Step S203: on the touchscreen, a tactile access only is formed between contact position and preferred key.
In the tactile feedback method that the embodiment provides, a preset first threshold, first threshold is a distance value,
The setting of first threshold, which is equivalent to, has drawn a circle to approve an independent edges to each touch controlled key, and any point in independent edges is away from touching
The shortest distance size for controlling key is the size of first threshold, and touch controlled key is the area in touch screen with certain size
Domain, any point in independent edges away from the shortest distance of touch controlled key should be any point in independent edges away from touch-control by
The shortest distance on the boundary of key.When touching the contact position of main body in the independent edges of some touch controlled key, in touch screen
Tactile access is only generated between contact position and the touch controlled key.
Fig. 5 is tactile access schematic diagram three in tactile feedback method provided in an embodiment of the present invention.As shown in figure 5, with touching
Touch in screen 100 there are four touch controlled key S1 S2 S3 for S4, set first threshold as R1, each touch controlled key has one
Surround the independent edges Y of touch controlled key, it is assumed that contact position A is located in the independent edges Y of touch controlled key S1 namely contact position
Real-time range d < R1 of the A away from touch controlled key S1 only has a tactile access T, i.e., only in contact position A at this time in touch screen 100
Tactile access T is formed between touch controlled key S1.Wherein, the distance between contact position A and touch controlled key S1 d should are as follows:
On the line of contact position A and touch controlled key S1 center O1, at a distance from the boundary contact position A and touch controlled key S1.
Preset first threshold calculates contact position and presses with touch-control first according to the contact position of the touch main body detected
The distance between key is denoted as real-time range, then judges whether real-time range is less than first threshold, if real-time range is less than
One threshold value illustrates that the contact position for touching main body is very close away from the distance of touch controlled key, only generates one in touch screen at this time
Tactile access, user then only receive a kind of touch feedback index signal, without the interference of other tactile feedback signals, without differentiating
A variety of senses of touch more accurately judge whether the touch controlled key is target touch controlled key convenient for user, are pressed with reducing to target touch-control
The probability that keying mistake is sentenced.
May not only have a touch controlled key in the current display picture of touch screen in practice, it can be by away from contact position
It sets nearest touch controlled key to start to calculate, arrive with the real-time range between nearest touch controlled key once calculating less than first
Threshold value then no longer calculates the real-time range between contact position and other touch controlled keys, so as to reduce operand, improves anti-
Present speed.
On the touchscreen, the spacing between two touch controlled keys of arbitrary neighborhood is more than or equal to twice of the first threshold
Value.With continued reference to shown in Fig. 5, for the touch controlled key S2 and touch controlled key S4 in scheme, between two adjacent touch controlled keys
The calculation of space D is, on the line at the center (center O2 and center O4) of two adjacent touch controlled keys, two touch-controls
The distance between boundary of key.D >=R1 is set, to guarantee that the independent edges of two touch controlled keys adjacent in touch screen are not handed over
It is folded, guarantee when detecting that real-time range of the contact position away from some touch controlled key is less than first threshold, in touch screen only
The corresponding real-time range of this touch controlled key is less than first threshold.A tactile access is only generated in touch screen, feedback is more
Add clear, save the time that user differentiates multiple thoughts and feelings, user can be quickly found out according to the guide of tactile access touch-control by
The position of key promotes user's physical examination.
Currently showing in picture in touch screen may include multiple touch controlled keys, if once touching body contact to touch
After screen, a tactile access is all generated between each touch controlled key and the contact position of touch main body, for a variety of senses of touch
Superposition, user are then difficult to the direction of the corresponding tactile access of resolution target touch controlled key, thereby increase operation difficulty.It is based on
This, inventor is it is further proposed that a kind of tactile feedback method guarantees that user differentiates the standard of sense of touch to reduce the superposition of a variety of senses of touch
True property.
Fig. 6 is another optional embodiment block diagram of tactile feedback method provided in an embodiment of the present invention.Such as Fig. 6 institute
Show, tactile feedback method provided by the invention further include: preset second threshold；
Step S301: it according to the position of contact position and touch controlled key on the touchscreen, calculates contact position and is pressed away from touch-control
The distance of key, is denoted as real-time range；
Step S302: if real-time range is more than or equal to first threshold, and real-time range is less than second threshold, then in real time with this
It is key to be selected apart from corresponding touch controlled key；Tactile access is formed between contact position and key to be selected.
Step S303: key to be selected includes at least adjacent the first key to be selected and the second key to be selected, in contact position
The first tactile access is formed between the first key to be selected, issues the first touch feedback index signal in the first tactile access；?
The second tactile access is formed between contact position and the second key to be selected, is issued the second touch feedback in the second tactile access and is guided
Signal.
In the tactile feedback method that the embodiment provides, second threshold is further preset, second threshold is equivalent to touch-control
The sense of touch boundary of key will not then generate tactile access when real-time range is greater than second threshold.When real-time range is greater than first
Threshold value and be less than second threshold when, between contact position and key to be selected formed tactile access.Namely only with contact position
Tactile access is generated between the touch controlled key being closer, and determined key to be selected first, it is then respectively right according to key to be selected
The difference for the touch feedback index signal answered, to determine target touch controlled key.This method can first by apart from contact position
It is rejected through distant touch controlled key, advantageously reduces the superposition of a variety of senses of touch, guarantee that user differentiates the accuracy of sense of touch.
Second threshold is a distance value, and the setting of second threshold, which is equivalent to, has drawn a circle to approve a sense of touch to each touch controlled key
Boundary, shortest distance size of any point away from touch controlled key is the size of second threshold on sense of touch boundary, and touch controlled key is touching
The region in screen with certain size is touched, then the borderline any point of sense of touch is should be away from the shortest distance of touch controlled key
The shortest distance on boundary of the borderline any point of sense of touch away from touch controlled key.Contact position touches master within sense of touch boundary
Body can experience haptic signal.The sense of touch boundary of two adjacent touch controlled keys can have intersection.Fig. 7 is that the present invention is implemented
Tactile access schematic diagram four in the tactile feedback method that example provides.As shown in fig. 7, the first threshold of each touch controlled key is R1,
Second threshold is R2.Touching first contact position of the main body in touch screen 100 is A1, and contact position A1 is away from touch controlled key S1
Distance be d1, wherein R1 < d1 < R2 forms the first tactile access T1 between contact position A1 and touch controlled key S1, first
The first touch feedback index signal is issued in tactile access T1；Distance of the contact position A1 away from touch controlled key S2 is d2, wherein R1
< d2 < R2 is formed in the second tactile access T2, the second tactile access T2 between contact position A1 and touch controlled key S2 and is issued the
Two touch feedback index signals.Such as first the sense of touch of touch feedback index signal be coarse surface, and the second touch feedback
The sense of touch of index signal is vibration, user according to sense of touch judge the first touch feedback index signal it is corresponding be target touch-control by
Key then touches main body in touch screen to the direction movement where touch controlled key S1, arrives touch controlled key when touch main body movement
In the independent edges of S1 when (contact position A2 in figure), user only experiences the sense of touch of rough surface, to further confirm that touching
Control key S1 is target touch controlled key.
In the present invention, contact position is all made of the shortest distance away from the distance of touch controlled key.When touch controlled key is round
Calculation follows following methods: the line between contact position and the center of touch controlled key is pressed as contact position away from touch-control
The shortest distance at key center, on the straight line where this shortest distance, the distance between contact position and the boundary of touch controlled key
It is denoted as distance of the contact position away from touch controlled key.Above-mentioned calculation method is with contact position for a point, and touch controlled key is circle
For shape (such as the circle with certain size).
The explanation of principle is only carried out in attached drawing of the present invention and explanation by taking circle as an example.Touch controlled key in touch screen is not limited to
Circle is also possible to rectangular, rectangle or other shapes.Fig. 8 is tactile in tactile feedback method provided in an embodiment of the present invention
Access schematic diagram five.As shown in figure 8, only to include that two rectangular shape touch-controls are pressed in the currently display display picture of touch screen 100
For key S5 and touch controlled key S6.Preset first threshold R1 and second threshold R2 in tactile feedback method provided by the invention, touching
Controlling key S5 and touch controlled key S6 respectively has independent edges Y corresponding with first threshold R1 and opposite with second threshold R2
The sense of touch boundary C answered.When touch controlled key shape is rectangle, independent edges Y and sense of touch boundary C's is substantially rectangular in shape, still
The turning of independent edges Y and sense of touch boundary C are curved corners.Wherein, the arc radius of the curved corners of independent edges Y is
R1, the center of circle of curved corners are the vertex of the corresponding rectangular touch key of the curved corners；The arc of the curved corners of sense of touch boundary C
Shape radius is R2, and the center of circle of curved corners is the vertex of the corresponding rectangular touch key of the curved corners.To in independent edges Y
On the shortest distance on boundary of any point away from touch controlled key be R1, any point on the C of sense of touch boundary is pressed away from touch-control
The shortest distance on the boundary of key is R2.When the contact position of user is located at A3, A3 is located at the sense of touch boundary C of touch controlled key S5
It is interior, while also being located in the sense of touch boundary C of touch controlled key S6.Then contact position A3 and touch controlled key S5 and touch controlled key S6 it
Between be respectively formed tactile access.When contact position is located at A4, when A4 is located in the independent edges Y of touch controlled key S5, then touch screen
In only between contact position A4 and touch controlled key S5 formed a tactile access.
The present invention also provides a kind of haptic feedback devices, Fig. 9 is the knot of haptic feedback devices provided in an embodiment of the present invention
Structure block diagram.As shown in figure 9, haptic feedback devices include: touch screen 100, processor 200, controller 300, touch feedback structure
400；Wherein,
Touch screen 100, has touch controlled key, and touch screen 100 is able to detect the contact position for touching main body；Work as user's operation
When touch controlled key, it can be also used for whether detection operational motion can trigger touch controlled key.Such as biography is provided in touch screen
Sensor, sensor can be pressure sensor, and pressure sensor once detects that pressure signal, touch screen can be believed by pressure
Number calculate the contact position for touching main body.Perhaps sensor may be temperature sensor or may be other can
Realize the sensor of contact position detection.
Processor 200 is respectively connected with touch screen 100 and controller 300, is generated according to the contact position for touching main body
Contact position information, and the location information of contact position information and touch controlled key is sent to controller 300；Processor 200 is main
It is used to the processing to data calculate, processor 200 prestores the location information of each touch controlled key, can also be according to contact position
The distance between confidence breath and the positional information calculation contact position of touch controlled key and touch controlled key.
Controller 300 is issued according to the location information of contact position information and touch controlled key to touch feedback structure 400
Tactile control signal；Controller 300 can control the work of touch feedback structure 400, be pressed according to contact position information and touch-control
The location information of key, controller 300 are judged to need to generate tactile feedback signal in which region of touch screen and which kind of are generated
Then tactile feedback signal sends touch-control control signal to touch feedback structure 400.
Touch feedback structure 400 is connected with controller 300, for receiving Tactile control signal, in contact position and touching
It controls and forms tactile access between key, touch feedback index signal is issued in tactile access, touch feedback index signal is used for
Touch main body is guided to be moved to the position where touch controlled key, wherein a touch controlled key corresponds to a kind of touch feedback guide letter
Number.The one-to-one relationship of touch controlled key Yu touch feedback index signal is prefixed in haptic feedback devices, when touch feedback knot
When structure issues touch-control feedback index signal, user can be opposite with touch feedback index signal to differentiate according to the difference of sense of touch
The touch controlled key answered.
Haptic feedback devices provided by the invention can apply tactile feedback method provided by the invention when in use, work as touching
After touching body contact to touch screen, tactile access is formed between main body and touch controlled key touching, generated in tactile access with
The corresponding touch feedback index signal of touch controlled key, user is according to the class for touching the touch feedback index signal that main body is experienced
Type directly judges whether it is target touch controlled key, when being judged as target touch controlled key, then according to touch feedback index signal
Guide directly finds target touch controlled key.User's accurate judgement is helped by generating touch feedback index signal in tactile access
And target touch controlled key is directly found, the process for finding touch controlled key is simple, and can reduce faulty operation, shortens and touches main body
The time of touch controlled key is reached, user can reduce the number of viewing touch screen, or even in the case where not watching touch screen
Target touch controlled key can be accurately found by touch feedback index signal.Haptic feedback devices of the invention can give user
Better usage experience is provided.In addition, user can basis during touching main body movement searching target touch controlled key
The touch feedback received is found, and is not needed again by other feedback informations, feedback method is directly clear, and simpler
It is single.
In haptic feedback devices provided by the invention, processor further comprises: distance calculation module and result export mould
Block；Distance calculation module, according to the positional information calculation contact position of contact position information and touch controlled key away from touch controlled key
Distance is denoted as real-time range；As a result output module, for judging the size relation of real-time range and first threshold, if in real time away from
From first threshold is less than, then touch controlled key corresponding with the real-time range is preferred key, and processor is only by preferred key
Location information and contact position information are sent to controller.
Further, as a result output module is also used to judge the size relation of real-time range and second threshold, if in real time away from
From be more than or equal to first threshold, and real-time range be less than second threshold, then touch controlled key be key to be selected.It is computed in touch screen
Key to be selected may include the first key to be selected and the second key to be selected.Touch feedback structure being capable of tactile control based on the received
Signal processed forms the first tactile access between contact position and the first key to be selected, the first touching is issued in the first tactile access
Feel feedback index signal；The second tactile access, hair in the second tactile access are formed between contact position and the second key to be selected
Second touch feedback index signal out.User is anti-according to the corresponding tactile of key to be selected when using touch-control feedback device
The difference of index signal is presented, to determine target touch controlled key.
In one embodiment, Figure 10 is that touch feedback structure is overlooked in haptic feedback devices provided in an embodiment of the present invention
Schematic diagram.As shown in Figure 10, touch feedback structure 400 includes multiple touch feedback units 401, multiple touch feedback units 401
It arranges in dot matrix, each 401 mutually insulated of touch feedback unit.Multiple touch feedback units 401 are in dot matrix in touch screen
Formula arrangement, each touch controlled key lower section are corresponding with multiple touch feedback units 401, the touch feedback unit of dot matrix arrangement
401 can be combined into various shapes according to control signal.After touch feedback structure 400 receives Tactile control signal, contacting
After multiple touch feedback units 401 between position and position of touch receive control instruction, issues corresponding touch feedback and guide
Signal forms tactile access.
Figure 11 is a kind of structural block diagram of optional embodiment of haptic feedback devices provided in an embodiment of the present invention.Such as Figure 11
Shown, haptic feedback devices include: touch screen 100, processor 200, controller 300, touch feedback structure 400 and audio feedback
Structure 500.Wherein, audio feedback structure 500 is connected with controller 300, and controller 300 is issued to audio feedback structure 500
Audio feedback instruction issues auditory feedback signal after audio feedback structure 500 receives audio feedback instruction.
For user when using haptic feedback devices, when touching the position where main body arrival touch controlled key, controller can
To issue audio feedback instruction to audio feedback structure, audio feedback structure issues auditory feedback signal after receiving instruction.At this time
Auditory feedback signal can be very brief the tinkle of bells, be perhaps also possible to the tinkle of bells of user oneself setting or can also directly be
It reminds sound " XX key ".Certainly at the position where touching main body and reaching touch controlled key, controller can be simultaneously to tactile
Feedback arrangement issues tactile feedback signal.Auditory feedback signal and tactile feedback signal at this time is confirmation signal, confirmation letter
Number play the role of prompting, confirmation signal can remind user to have arrived at the position of touch controlled key, can press at this time to touch-control
Key is operated, and thus further the user experience is improved.
The present invention also provides a kind of touch display unit, Figure 12 is touch display unit provided in an embodiment of the present invention signal
Figure.Touch display unit provided by the invention includes the haptic feedback devices that any embodiment of that present invention proposes.The present invention provides
Touch display unit can be any electronic equipment with touch function, including but not limited to following classification: television set, pen
Remember this computer, desktop displays, tablet computer, digital camera, mobile phone, Intelligent bracelet, intelligent glasses, Vehicular display device, doctor
Treat equipment, industrial control equipment, touch interactive terminal etc..
Through the foregoing embodiment it is found that tactile feedback method provided by the invention, haptic feedback devices and touch display dress
Set, at least realize it is following the utility model has the advantages that
Tactile feedback method provided by the invention is pressed touching main body with touch-control after touching body contact to touch screen
A tactile access is formed between key, touch feedback index signal corresponding with touch controlled key is generated in tactile access, is used
Family directly judges whether it is target touch controlled key according to the type for touching the touch feedback index signal that main body is experienced, and works as judgement
To directly find target touch controlled key according to the guide of touch feedback index signal when target touch controlled key.By in tactile access
Interior generation touch feedback index signal helps user's accurate judgement and directly finds target touch controlled key, finds the mistake of touch controlled key
Journey is simple, and can reduce faulty operation, shortens and touches the time that main body reaches touch controlled key, and user can reduce viewing and touch
The number of screen, or even in the case where not watching touch screen also target touch-control can be accurately found by touch feedback index signal
Key, tactile feedback method of the invention provide better user experience.In addition, being touched touching the mobile target of finding of main body
During controlling key, user can only be found according to the touch feedback received, not needed again by other feedback letters
Breath, feedback method is directly clear, and simpler.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (12)
1. a kind of tactile feedback method characterized by comprising
It detects and touches the contact of main body on the touchscreen, and determine the contact position for touching main body on the touch screen；
According to the position of the contact position and touch controlled key on the touch screen, pressed in the contact position and the touch-control
Tactile access is formed between key, touch feedback index signal is issued in the tactile access, and the touch feedback index signal is used
Position where guiding touch main body to be moved to the touch controlled key, wherein described in the corresponding one kind of a touch controlled key
Touch feedback index signal.
2. tactile feedback method according to claim 1, which is characterized in that
It is moved on the touch screen with main body is touched, the touch feedback is continuously sent out in the tactile access and guides letter
Number.
3. tactile feedback method according to claim 1, which is characterized in that
After forming tactile access between the contact position and the touch controlled key, determine non-tactile logical in the touch screen
Position where road is non-passage area, does not generate tactile feedback signal in the non-passage area.
4. tactile feedback method according to claim 1, which is characterized in that
After forming tactile access between the contact position and the touch controlled key, determine non-tactile logical in the touch screen
Position where road is non-passage area, generates weak tactile feedback signal in the non-passage area, the weak tactile feedback signal
Sense of touch intensity is less than the sense of touch intensity of the touch feedback index signal.
5. tactile feedback method according to claim 1, which is characterized in that
Detect that touch main body reaches the position where the touch controlled key, then feedback acknowledgment signal；
The confirmation signal is tactile feedback signal and/or auditory feedback signal.
6. tactile feedback method according to claim 1, which is characterized in that
The method also includes:
Preset first threshold；
According to the position of the contact position and the touch controlled key on the touch screen, the contact position is calculated away from described
The distance of touch controlled key, is denoted as real-time range；
Judge the size relation of the real-time range Yu the first threshold, if the real-time range is less than the first threshold,
Then touch controlled key corresponding with real-time range described in this is preferred key；
On the touch screen, a tactile access only is formed between the contact position and the preferred key.
7. tactile feedback method according to claim 6, which is characterized in that the method also includes: preset second threshold；
If the real-time range be more than or equal to the first threshold, and the real-time range be less than the second threshold, then with this
The corresponding touch controlled key of the real-time range is key to be selected；
The tactile access is formed between the contact position and the key to be selected；
The key to be selected includes at least adjacent the first key to be selected and the second key to be selected, the method also includes:
The first tactile access, hair in the first tactile access are formed between the contact position and first key to be selected
First touch feedback index signal out；
The second tactile access, hair in the second tactile access are formed between the contact position and second key to be selected
Second touch feedback index signal out.
8. tactile feedback method according to claim 6, which is characterized in that
On the touch screen, the spacing between two touch controlled keys of arbitrary neighborhood is described more than or equal to twice
First threshold.
9. a kind of haptic feedback devices characterized by comprising touch screen, processor, controller, touch feedback structure；Its
In,
The touch screen, has touch controlled key, and the touch screen is able to detect the contact position for touching main body；
The processor is respectively connected with the touch screen and the controller, is generated according to the contact position for touching main body
Contact position information, and the location information of the contact position information and the touch controlled key is sent to the controller；
The controller, according to the location information of the contact position information and the touch controlled key, to the touch feedback knot
Structure issues Tactile control signal；
The touch feedback structure, is connected with the controller, for receiving the Tactile control signal, in the contact position
The formation tactile access between the touch controlled key is set, touch feedback index signal, the touching are issued in the tactile access
Feel feedback index signal for guiding touch main body to be moved to the position where the touch controlled key, wherein a touch-control
Key corresponds to a kind of touch feedback index signal.
10. haptic feedback devices according to claim 9, which is characterized in that
The touch feedback structure includes multiple touch feedback units, and multiple touch feedback units are arranged in dot matrix, respectively
A touch feedback unit mutually insulated.
11. haptic feedback devices according to claim 9, which is characterized in that further include:
Audio feedback structure, the audio feedback structure are connected with the controller, and the controller is to the audio feedback
Structure issues audio feedback instruction and issues auditory feedback signal after the audio feedback structure receives the audio feedback instruction.
12. a kind of touch display unit, which is characterized in that including the described in any item haptic feedback devices of claim 9 to 11.
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