WO2019062243A1 - 触摸操作的识别方法、装置及电子设备 - Google Patents

触摸操作的识别方法、装置及电子设备 Download PDF

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Publication number
WO2019062243A1
WO2019062243A1 PCT/CN2018/093788 CN2018093788W WO2019062243A1 WO 2019062243 A1 WO2019062243 A1 WO 2019062243A1 CN 2018093788 W CN2018093788 W CN 2018093788W WO 2019062243 A1 WO2019062243 A1 WO 2019062243A1
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WIPO (PCT)
Prior art keywords
touch
capacitance value
touch operation
touch area
area
Prior art date
Application number
PCT/CN2018/093788
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English (en)
French (fr)
Inventor
周昱
曾森
赵晨思
Original Assignee
出门问问信息科技有限公司
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 出门问问信息科技有限公司 filed Critical 出门问问信息科技有限公司
Priority to US16/650,671 priority Critical patent/US20200249780A1/en
Priority to EP18861665.0A priority patent/EP3690621A4/en
Publication of WO2019062243A1 publication Critical patent/WO2019062243A1/zh

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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
    • G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1041—Mechanical or electronic switches, or control elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/033—Headphones for stereophonic communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
    • G01D5/241—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes
    • G01D5/2412—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes by varying overlap
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/01—Aspects of volume control, not necessarily automatic, in sound systems

Definitions

  • the embodiments of the present disclosure relate to the field of information processing technologies, and in particular, to a method, an apparatus, and an electronic device for identifying a touch operation.
  • the capacitive touch screen is mainly divided into a self-contained screen and a mutual capacitance.
  • one control button corresponds to one touch area.
  • the corresponding number of touch areas is N+1 (N is A positive integer greater than one).
  • the present disclosure provides a method, device, and electronic device for recognizing a touch operation, and the main purpose thereof is to reduce the number of uses of the touch area while reducing the cost of the product while improving the accurate recognition of the touch operation.
  • the present disclosure provides a method for identifying a touch operation, including:
  • the touch area of the touch area is gradually decreased from one end to the other end;
  • determining, according to the capacitance value and the effective touch area, the touch control instruction corresponding to the touch operation includes:
  • Corresponding touch control instructions are determined according to the signal amount and a predefined semaphore amount corresponding to a predetermined touch control command.
  • determining, according to the capacitance value and the effective touch area, the touch control instruction corresponding to the touch operation further includes:
  • the touch operation is a sliding operation, determining a sliding direction of the touch operation in the touch area by a trend of a magnitude of the signal amount;
  • the control command is determined according to a trend of the magnitude of the signal amount, and the touch operation is in a sliding direction of the touch area.
  • calculating a capacitance value corresponding to the touch operation includes:
  • a difference between the first capacitance value and the second capacitance value is used as a capacitance value corresponding to the touch operation.
  • calculating a capacitance value corresponding to the touch operation includes:
  • a difference between the third capacitance value and the fourth capacitance value is used as a capacitance value corresponding to the touch operation.
  • calculating an effective touch area of the touch operation on the touch area according to the capacitance value includes:
  • ⁇ is an electrical constant
  • C is the capacitance value
  • d is the distance from the finger that triggers the touch operation to the touch area
  • k is a constant of the electrostatic force
  • the present disclosure provides a device for identifying a touch operation, including:
  • a first calculating unit configured to calculate a capacitance value corresponding to the touch operation when a touch operation of the touch area is received; a touch area of the touch area gradually decreases from one end to the other end;
  • a second calculating unit configured to calculate, according to the capacitance value calculated by the first calculating unit, an effective touch area of the touch operation on the touch area;
  • a determining unit configured to determine, according to the capacitance value calculated by the first calculating unit and the effective touch area calculated by the second calculating unit, a touch control instruction corresponding to the touch operation.
  • the determining unit includes:
  • a conversion module configured to convert the capacitance value and the effective touch area into a semaphore
  • the first determining module is configured to determine a corresponding touch control instruction according to the signal amount converted by the conversion module and a predefined semaphore quantity and a predetermined touch control instruction.
  • the determining unit further includes:
  • a second determining module configured to determine an operation type of the touch operation
  • a third determining module configured to determine a sliding direction of the touch operation in the touch area by a trend of a magnitude change of the semaphore when the touch operation is a sliding operation
  • a fourth determining module configured to determine a trend according to a magnitude of the semaphore, and the touch operation determines the control command in a sliding direction of the touch area.
  • the first calculating unit includes:
  • a first acquiring module configured to acquire a first current size before receiving the touch operation, and acquire a second current size after receiving the touch operation;
  • a first calculation module configured to calculate a first capacitance value according to the first current magnitude and a rated voltage acquired by the first acquisition module
  • a second calculation module configured to calculate a second capacitance value according to the second current magnitude acquired by the first acquisition module and the rated voltage
  • a first processing module configured to use, as a capacitance corresponding to the touch operation, a difference between the first capacitance value calculated by the first calculation module and the second capacitance value calculated by the second calculation module value.
  • the first calculating unit includes:
  • a second acquiring module configured to acquire a first voltage magnitude before receiving the touch operation, and acquire a second voltage magnitude after receiving the touch operation
  • a third calculating module configured to calculate a third capacitance value according to the first voltage magnitude and the rated current acquired by the second acquiring module
  • a fourth calculating module configured to calculate a fourth capacitance value according to the second voltage size acquired by the second acquiring module and the rated current
  • a second processing module configured to use, as a capacitance corresponding to the touch operation, a difference between the third capacitance value calculated by the third calculation module and the fourth capacitance value calculated by the fourth calculation module value.
  • ⁇ is an electrical constant
  • C is the capacitance value
  • d is the distance from the finger that triggers the touch operation to the touch area
  • k is a constant of the electrostatic force
  • the present disclosure provides an electronic device, where the electronic device includes:
  • One or more processors are One or more processors;
  • a memory for storing one or more programs
  • the method, device, and electronic device for the touch operation calculate a capacitance value corresponding to the touch operation when receiving a touch operation of the touch area; the touch area of the touch area is one end And gradually decreasing to the other end; calculating an effective touch area of the touch operation on the touch area according to the capacitance value; determining a touch control instruction corresponding to the touch operation according to the capacitance value and the effective touch area;
  • the present disclosure identifies a touch control instruction corresponding to a touch operation by a capacitance value in a touch region and an effective area of a touch operation in a touch region when the touch operation is performed, and the touch region is an asymmetric pattern region, according to The effective touch area can determine the position in the touch area, and the number of uses of the touch area can be reduced while improving the accurate recognition of the touch operation, thereby reducing the cost of the product.
  • FIG. 1 is a flowchart of a method for identifying a touch operation according to an embodiment of the present disclosure
  • FIG. 2 is a schematic diagram of a touch area provided in the prior art
  • FIG. 3 is a schematic diagram of a touch area provided by an embodiment of the present disclosure.
  • FIG. 4 is a schematic diagram of a touch sensing area including a triangular sensing channel according to an embodiment of the present disclosure
  • FIG. 5 is a flowchart of another method for identifying a touch operation according to an embodiment of the present disclosure
  • FIG. 6 is a schematic diagram of a touch wireless earphone provided by an embodiment of the present disclosure.
  • FIG. 7 is a block diagram showing the composition of an identification device for a touch operation according to an embodiment of the present disclosure
  • FIG. 8 is a block diagram showing the composition of an identification device for providing another touch operation according to an embodiment of the present disclosure
  • FIG. 9 is a block diagram showing the structure of an electronic device according to an embodiment of the present disclosure.
  • An embodiment of the present disclosure provides a method for identifying a touch operation, which is applied to an electronic device that can perform control by a touch operation. As shown in FIG. 1, the method includes:
  • the electronic device includes at least one touch area, where the touch area includes a touch chip (touch IC) for receiving a touch operation triggered by a user, and converting the touch operation into an electrical signal for electronic
  • the processor of the device recognizes the electrical signal and converts it into a touch control signal to complete the control process of the electronic device by touching the control signal.
  • the touch area includes one or more sensing channels.
  • the more sensing channels the higher the accuracy of the recognition touch operation, but the more expensive the electronic device including the touch area is.
  • the fewer the channels the lower the accuracy of the recognition touch operation, but the cheaper the electronic device containing the touch area at the same time.
  • the sensing channel in the touch area is generally in a symmetrical pattern.
  • FIG. 2 shows a schematic diagram of a touch area provided in the prior art.
  • the touch area includes three sensing channels, each of which has three sensing channels.
  • the patterns of the sensing channels are all symmetrical graphic styles (rectangular). When the symmetrical graphic style causes the user's finger to trigger the sensing channel in the touch area, the touch area generated at different positions on the sensing channel is the same.
  • a self-contained screen and a mutual-capacity screen are often installed.
  • the self-contained screen sequentially detects the horizontal and vertical electrode arrays respectively, and determines the horizontal coordinate and the vertical coordinate according to the change of the capacitance before and after the touch. Then combine them into a flat touch coordinate.
  • the self-capacitance scanning method is equivalent to projecting the touch points on the touch screen to the X-axis and Y-axis directions, respectively, and then calculating the coordinates in the X-axis and Y-axis directions, respectively, and finally combining the coordinates of the touch points. If it is a single touch, the projections in the X-axis and Y-axis directions are unique, and the combined coordinates are unique; if there are two touches on the touch screen and the two points are not in the same X direction or the same Y direction, Then there are two projections in the X and Y directions, and four coordinates are combined. Obviously, only two coordinates are true, and the other two are commonly known as "ghost points.” Therefore, the self-contained screen cannot achieve true multi-touch.
  • the difference between a mutual-capacitor screen and a self-contained screen is that a capacitor is formed where the two sets of electrodes intersect, that is, the two sets of electrodes respectively constitute the two poles of the capacitor.
  • a finger touches the capacitive screen it affects the coupling between the two electrodes near the touch point, thereby changing the capacitance between the two electrodes.
  • the lateral electrodes sequentially emit excitation signals, and all the longitudinal electrodes receive signals at the same time, so that the capacitance values of all the intersections of the lateral and longitudinal electrodes can be obtained, that is, the capacitance of the two-dimensional plane of the entire touch screen.
  • the coordinates of each touch point can be calculated. Therefore, even if there are multiple touch points on the screen, the true coordinates of each touch point can be calculated.
  • accurately calculating the coordinate position of the touch point is the key to identify the user's touch operation for the sensing channel of the symmetric graphic pattern in the prior art touch area.
  • FIG. 3 is a schematic diagram of a touch area provided by an embodiment of the present disclosure, which is the same size as the touch area shown in FIG. 2, and the touch area includes two sensing channels, and each sensing channel touches The area is gradually reduced from one end to the other, and the touch area is different when the finger is operated at different positions of the sensing channel.
  • the embodiment of the present disclosure reduces the number of sensing channels required for an electronic device by using a unique pattern design of the sensing channel, and greatly reduces the cost of the electronic device without affecting performance.
  • the touch area includes two trapezoidal sensing channels.
  • the pattern of the sensing channel may also be a triangle or the like.
  • the embodiment of the present disclosure does not specifically limit the pattern.
  • the sensing channel in the touch area as a triangle as an example, as shown in FIG. 4, when the user's finger touches the position A in the sensing area, the touch area has the largest touch area, and when the user's finger touches the position B in the sensing area, The touch area of the touch area is moderate, and when the user touches the sensing channel C, the touch area has the smallest touch area.
  • the embodiments of the present disclosure do not limit the actual size of the touch area and the sensing channel.
  • the user's touch operation in the touch area may be a left-right sliding touch, a click touch, a double-click touch, a long-press touch, a slide-up touch, and the like.
  • the user's sliding touch operation is compared to the prior art sliding operation.
  • the touch operation can further improve the speed and accuracy of recognizing the touch operation.
  • the capacitance value corresponding to the touch operation is calculated by receiving the current and the voltage change before and after the touch operation.
  • the method of calculating the capacitance value is not limited in the embodiment of the present disclosure.
  • the electronic device may include, but is not limited to, the following content: a touch wireless headset, a tablet computer, a smart phone, a touch self-service ticket/tick machine, a touch computer, and the like.
  • the embodiment of the present disclosure does not limit the type of the electronic device, but the electronic device must include one or more touch regions.
  • an electronic device is used as an example of a touch wireless earphone, and the touch area is a touch area in the touch wireless earphone.
  • the description mode is not intended to limit the electronic device. The specific type of device.
  • the improvement of the graphic pattern of the sensing channel in the touch area of the embodiment of the present disclosure causes the focus of the touch control instruction corresponding to the touch operation to change, and the focus of the embodiment of the present disclosure is not How to determine the detailed coordinate position of the touch point in the touch area, but focus on how to determine the effective contact area of the touch operation on the touch area according to the capacitance value.
  • the processor After the touch chip obtains the touch operation, the capacitance value, and the effective touch area, the processor is transmitted to the wireless earphone, so that the processor in the touch wireless earphone controls the touch wireless earphone according to the identification, and the touch wireless Headphones are controlled.
  • the operation type of the user's current touch operation can be determined, and the operation types include: click, double click, long press, slide operation, and the like.
  • the operation types include: click, double click, long press, slide operation, and the like.
  • the touch value of the touch operation received for the first time in the touch area is 1F
  • the capacitance value of the second touch operation is 1.01F again in the continuous time period (0.03 seconds)
  • Operation, and the effective touch area of the two touch operations is the same or similar; when the touch area receives the capacitance value of the touch operation for the first time is 2F, during the continuous time period (0.5 seconds), the capacitance value is gradually decreasing, and the touch is effective.
  • the area is gradually reduced, and it can be judged that the touch operation is a vertical slide operation or the like.
  • the touch IC When the touch IC recognizes the sliding operation, the touch IC receives the change of current or voltage, calculates the change of the capacitance according to the changed current or voltage, and calculates the change of the effective touch area by the change of the capacitance, and the touch IC will be effective.
  • the change in touch area is passed to the processor of the touch wireless headset so that it calculates the specific location of the touch through the varying effective contact area.
  • the processor determines the touch control instruction corresponding to the touch operation, determining according to the predetermined predetermined touch control instruction confirmation rule, as shown in Table 1, the mapping relationship between the touch operation and the touch control instruction is recorded in Table 1, After the touch IC determines the touch operation, the capacitance value, and the effective touch area, the processor of the touch wireless headset can determine the touch control instruction according to the content of Table 1 and execute the touch control instruction, and Table 1 is merely exemplary.
  • the mapping relationship between the operation type, the effective area, and the touch control instruction of the touch operation is not limited in the embodiment of the present disclosure.
  • the method for identifying a touch operation when receiving a touch operation of a touch area, calculating a capacitance value corresponding to the touch operation; the touch area of the touch area is gradually decreased from one end to the other end; The capacitance value calculates an effective touch area of the touch operation on the touch area; determining a touch control instruction corresponding to the touch operation according to the capacitance value and the effective touch area; compared with the prior art, the disclosure
  • the embodiment identifies the touch control instruction corresponding to the touch operation by the capacitance value in the touch area and the effective area of the touch operation in the touch area, the touch area is an asymmetric pattern area, and the touch is determined according to the effective touch area.
  • the position in the area reduces the use of the touch area while increasing the accuracy of the touch operation to reduce the cost of the product.
  • the embodiment of the present disclosure further provides another method for recognizing a touch operation, which is applied to a touch wireless headset, as shown in FIG. Methods include:
  • step 101 For details on the touch area and touch operations, refer to the detailed description of step 101.
  • the calculation of the capacitance value corresponding to the touch operation can be performed in the following two ways:
  • Method 1 When the voltage is constant, the capacitance value is calculated by the rated voltage and current.
  • the difference between the first capacitance value and the second capacitance value is used as the capacitance value corresponding to the touch operation.
  • Method 2 When the current is constant, the capacitance value is calculated by the rated current and voltage.
  • the capacitance value when calculating the capacitance value, it depends on a certain amount, and in the present embodiment, the current is quantified.
  • a first voltage is generated in the touch area
  • a second voltage is generated in the touch area, wherein The magnitude of the first voltage and the second voltage may vary significantly due to changes in the front and back of the touch.
  • the difference between the first capacitance value and the second capacitance value is used as the capacitance value corresponding to the touch operation.
  • the processor of the touch wireless headset converts the capacitance value and the effective touch area into a semaphore according to the semaphore amount and a predefined semaphore after acquiring the effective touch area.
  • the corresponding touch control command is determined. The purpose of converting the capacitance value and the effective touch area into a signal amount is to simplify the step of recognizing the touch control command and to improve the speed of recognizing the touch operation.
  • the signal amount at the touch position A in FIG. 4 may be set to 100K, the signal amount at the touch position B is 50K, the signal amount at the touch position C is 1K, etc., where K is a constant, and touch
  • K is a constant
  • touch The materials, processes, and designs of the area are related to the design.
  • FIG. 6 is a schematic diagram of a touch wireless headset provided by an embodiment of the present disclosure.
  • the touch wireless headset includes a headset body 61 , a touch area 62 , and a touch area 62 .
  • a single sensing channel 621 is included in the triangle, and the user can perform a touch operation in the touch area 62 according to its actual needs.
  • the touch IC in the embodiment of the present disclosure may be in contact with the user's operation.
  • the touch control command corresponding to the touch operation is more obvious. Since the sliding operation is a continuous operation of the user, the continuous operation has a significant change in the corresponding effective touch area in the touch area, for example, when the user slides from top to bottom in the touch area in FIG. It is getting smaller and smaller, and the change is the reduction of the effective touch surface.
  • the processor After being converted into a semaphore, the processor recognizes the sliding direction of the user's finger according to the magnitude of the semaphore. Specifically, the processor first determines an operation type of the touch operation, and if the touch operation is a sliding operation, determining a sliding direction of the touch operation in the touch area by using a trend of a magnitude of the semaphore, according to The magnitude of the magnitude of the semaphore changes, and the touch operation determines the control command in a sliding direction of the touch area. For example, when the semaphore changes from small to large, it can be judged that the user's finger direction is slid from the lower direction of FIG. 6, and the volume increase control operation is performed.
  • the processor recognizes that the touch operation is a double-click operation, and when the user performs a double-click operation under the sensing channel, the processor also recognizes the touch operation.
  • the focus is on clicking, double-clicking, long-pressing, etc.
  • the focus is on performing touch operations on the sensing channel.
  • FIG. 6 is an example of a single sensing channel.
  • the touch area is applied to an electronic device with a large touch area such as a tablet computer or a smart phone, the touch area can be simultaneously installed in the touch area.
  • the manner of performing the touch receiving and the identification of the plurality of sensing channels is the same as the execution of the single sensing channel. Specifically, the working modes of the plurality of sensing channels are not described in detail in the embodiments of the present disclosure.
  • another embodiment of the present disclosure further provides an identification device for a touch operation.
  • the device embodiment corresponds to the foregoing method embodiment.
  • the device embodiment does not describe the details in the foregoing method embodiments one by one, but it should be clear that the device in this embodiment can implement the foregoing method. All the contents of the example.
  • An embodiment of the present disclosure provides a device for identifying a touch operation, as shown in FIG. 7, including:
  • a first calculating unit 31 configured to calculate a capacitance value corresponding to the touch operation when a touch operation of the touch area is received; a touch area of the touch area gradually decreases from one end to the other end;
  • a second calculating unit 32 configured to calculate, according to the capacitance value calculated by the first calculating unit 31, an effective touch area of the touch operation on the touch area;
  • the determining unit 33 is configured to determine, according to the capacitance value calculated by the first calculating unit 32 and the effective touch area calculated by the second calculating unit, a touch control instruction corresponding to the touch operation.
  • the determining unit 33 includes:
  • a conversion module 331, configured to convert the capacitance value and the effective touch area into a semaphore
  • the first determining module 332 is configured to determine a corresponding touch control instruction according to the signal amount converted by the conversion module 331 and a correspondence between a predefined semaphore and a predetermined touch control instruction.
  • the determining unit 33 further includes:
  • a second determining module 333 configured to determine an operation type of the touch operation
  • a third determining module 334 configured to determine a sliding direction of the touch operation in the touch area by a trend of a magnitude change of the semaphore when the touch operation is a sliding operation;
  • the fourth determining module 335 is configured to determine a trend according to a magnitude of the signal amount, and the touch operation determines the control command in a sliding direction of the touch area.
  • the first calculating unit 31 includes:
  • the first obtaining module 311 is configured to acquire a first current magnitude before receiving the touch operation, and acquire a second current magnitude after receiving the touch operation;
  • the first calculation module 312 is configured to calculate a first capacitance value according to the first current size and the rated voltage acquired by the first obtaining module 311;
  • a second calculation module 313, configured to calculate a second capacitance value according to the second current magnitude acquired by the first acquisition module 311 and the rated voltage;
  • a first processing module 314, configured to use, as the touch operation, a difference between the first capacitance value calculated by the first calculation module 312 and the second capacitance value calculated by the second calculation module 313 Corresponding capacitance value.
  • the first calculating unit 31 includes:
  • the second obtaining module 315 is configured to acquire a first voltage magnitude before receiving the touch operation, and acquire a second voltage magnitude after receiving the touch operation;
  • a third calculation module 316 configured to calculate a third capacitance value according to the first voltage magnitude and the rated current acquired by the second acquisition module 315;
  • a fourth calculation module 317 configured to calculate a fourth capacitance value according to the second voltage size acquired by the second acquisition module 315 and the rated current;
  • a second processing module 318 configured to use, as the touch operation, a difference between the third capacitance value calculated by the third calculation module 316 and the fourth capacitance value calculated by the fourth calculation module 317 Corresponding capacitance value.
  • ⁇ is an electrical constant
  • C is the capacitance value
  • d is the distance from the finger that triggers the touch operation to the touch area
  • k is a constant of the electrostatic force
  • the device for identifying a touch operation calculates a capacitance value corresponding to the touch operation when receiving a touch operation of the touch area; the touch area of the touch area is gradually decreased from one end to the other end; The capacitance value calculates an effective touch area of the touch operation on the touch area; determining a touch control instruction corresponding to the touch operation according to the capacitance value and the effective touch area; compared with the prior art, the disclosure
  • the embodiment identifies the touch control instruction corresponding to the touch operation by the capacitance value in the touch area and the effective area of the touch operation in the touch area, the touch area is an asymmetric pattern area, and the touch is determined according to the effective touch area.
  • the position in the area reduces the use of the touch area while increasing the accuracy of the touch operation to reduce the cost of the product.
  • an embodiment of the present disclosure further provides an electronic device, which may include, but is not limited to, a touch wireless headset, a tablet, a smart phone, and a touch self-service ticket. / ticket picker, touch computer, etc., the electronic device includes:
  • One or more processors 401 are included in the Appendix.
  • a memory 402 configured to store one or more programs
  • the method comprising:
  • the touch area of the touch area is gradually decreased from one end to the other end;
  • the processor 401 and the memory 402 complete communication with each other through the bus 403.
  • determining, according to the capacitance value and the effective touch area, the touch control instruction corresponding to the touch operation includes:
  • Corresponding touch control instructions are determined according to the signal amount and a predefined semaphore amount corresponding to a predetermined touch control command.
  • determining, according to the capacitance value and the effective touch area, the touch control instruction corresponding to the touch operation further includes:
  • the touch operation is a sliding operation, determining a sliding direction of the touch operation in the touch area by a trend of a magnitude of the signal amount;
  • the control command is determined according to a trend of the magnitude of the signal amount, and the touch operation is in a sliding direction of the touch area.
  • calculating a capacitance value corresponding to the touch operation includes:
  • a difference between the first capacitance value and the second capacitance value is used as a capacitance value corresponding to the touch operation.
  • calculating a capacitance value corresponding to the touch operation includes:
  • a difference between the third capacitance value and the fourth capacitance value is used as a capacitance value corresponding to the touch operation.
  • calculating an effective touch area of the touch operation on the touch area according to the capacitance value includes:
  • ⁇ is an electrical constant
  • C is the capacitance value
  • d is the distance from the finger that triggers the touch operation to the touch area
  • k is a constant of the electrostatic force
  • modules in the devices of the embodiments can be adaptively changed and placed in one or more devices different from the embodiment.
  • the modules or units or components of the embodiments may be combined into one module or unit or component, and further they may be divided into a plurality of sub-modules or sub-units or sub-components.
  • any combination of the features disclosed in the specification, including the accompanying claims, the abstract and the drawings, and any methods so disclosed, or All processes or units of the device are combined.
  • Each feature disclosed in this specification (including the accompanying claims, the abstract and the drawings) may be replaced by alternative features that provide the same, equivalent or similar purpose.
  • Various component embodiments of the present disclosure may be implemented in hardware, or in a software module running on one or more processors, or in a combination thereof.
  • a microprocessor or digital signal processor may be used in practice to implement a method, apparatus, and some or all of the components of an electronic device in accordance with embodiments of the present disclosure. Or all features.
  • the present disclosure may also be implemented as a device or device program (eg, a computer program and a computer program product) for performing some or all of the methods described herein.
  • Such a program implementing the present disclosure may be stored on a computer readable medium or may be in the form of one or more signals. Such signals may be downloaded from an Internet website, provided on a carrier signal, or provided in any other form.

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Abstract

本公开公开了一种触摸操作的识别方法、装置及电子设备，涉及信息处理技术领域，主要目的在于在提高准确识别触摸操作的同时，减少触摸区域的使用数量，以降低产品的成本。本公开的主要技术方案包括：在接收到触摸区域的触摸操作时，计算所述触摸操作对应的电容值；所述触摸区域的触摸面积由一端到另一端逐渐减少；根据所述电容值计算所述触摸操作在所述触摸区域上的有效触摸面积；根据所述电容值以及所述有效触摸面积，确定所述触摸操作对应的触摸控制指令。主要应用于触摸无线耳机的使用过程中。

Description

触摸操作的识别方法、装置及电子设备
本申请基于申请号为201710884501.4、申请日为2017年9月26日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本公开实施例涉及信息处理技术领域，特别是涉及一种触摸操作的识别方法、装置及电子设备。
背景技术
伴随着各类智能终端的盛行，越来越多的智能终端倾向使用触摸屏，以便于用户通过触摸屏灵活地对智能终端进行操作，市面上常见的触摸屏有电容技术触摸屏，由于电容技术触摸屏具有直接、高效、准确、流畅、等特点，极大程度提高了人和计算机对话的效率和便利性。
目前电容技术触摸屏主要分为自容屏和互电容，对于自容屏，一个控制按键对应一个触摸区域，对于互容屏，如按键数量是N，对应的触摸区域数量为N+1(N为大于1的正整数)。
发明人使用上述触摸屏过程中，发现现有技术中触控芯片(触控IC)识别触摸操作的正确性与触摸区域的数量息息相关，触摸区域的数量越多，识别触摸操作的正确性越高，但是，触控IC的价格往往还与触摸区域的数量成正比，若触摸区域数量较多，识别触摸操作的正确性会增强，但是产品的成本会增高，若触摸区域数量较少，会降低产品的成本，但同时会降低识别触摸操作的正确性。
公开内容
有鉴于此，本公开提供的一种触摸操作的识别方法、装置及电子设备，主要目的在于在提高准确识别触摸操作的同时，减少触摸区域的使用数量，以降低产品的成本。
第一方面，本公开提供了一种触摸操作的识别方法，包括：
在接收到触摸区域的触摸操作时，计算所述触摸操作对应的电容值；所述触摸区域的触摸面积由一端到另一端逐渐减少；
根据所述电容值计算所述触摸操作在所述触摸区域上的有效触摸面积：
根据所述电容值以及所述有效触摸面积，确定所述触摸操作对应的触摸控制指令。
可选的，根据所述电容值以及所述有效触摸面积，确定所述触摸操作对应的触摸控制指令包括：
将所述电容值以及所述有效触摸面积转换为信号量；
根据所述信号量，和预定义的信号量与预定触摸控制指令对应关系，确定对应的触摸控制指令。
可选的，根据所述电容值以及所述有效触摸面积，确定所述触摸操作对应的触摸控制指令还包括：
确定所述触摸操作的操作类型；
若所述触摸操作为滑动操作，则通过所述信号量的大小变化趋势，确定所述触摸操作在所述触摸区域的滑动方向；
根据所述信号量的大小变化趋势，以及所述触摸操作在所述触摸区域的滑动方向确定所述控制命令。
可选的，计算所述触摸操作对应的电容值包括：
获取接收触摸操作前的第一电流大小，并获取接收触摸操作后的第二电流大小；
根据所述第一电流大小与额定电压计算第一电容值；
根据所述第二电流大小与所述额定电压计算第二电容值；
将所述第一电容值与所述第二电容值之间的差值作为所述触摸操作对应的电容值。
可选的，计算所述触摸操作对应的电容值包括：
获取接收触摸操作前的第一电压大小，并获取接收触摸操作后的第二电压大小；
根据所述第一电压大小与额定电流计算第三电容值；
根据所述第二电压大小与所述额定电流计算第四电容值；
将所述第三电容值与所述第四电容值之间的差值作为所述触摸操作对应的电容值。
可选的，根据所述电容值计算所述触摸操作在所述触摸区域上的有效触摸面积包括：
根据公式C＝εS/4πkd，计算所述触摸操作在所述触摸区域上的有效触摸面积；
其中，ε是一个电常数，C为所述电容值，d为触发所述触摸操作的手指到所述触摸区域的距离，k则是静电力的常量。
第二方面，本公开提供一种触摸操作的识别装置，包括：
第一计算单元，用于在接收到触摸区域的触摸操作时，计算所述触摸操作对应的电容值；所述触摸区域的触摸面积由一端到另一端逐渐减少；
第二计算单元，用于根据所述第一计算单元计算的所述电容值计算所述触摸操作在所述触摸区域上的有效触摸面积；
确定单元，用于根据所述第一计算单元计算的所述电容值以及所述第二计算单元计算的所述有效触摸面积，确定所述触摸操作对应的触摸控制指令。
可选的，所述确定单元包括：
转换模块，用于将所述电容值以及所述有效触摸面积转换为信号量；
第一确定模块，用于根据所述转换模块转换的所述信号量，和预定义的信号量与预定触摸控制指令对应关系，确定对应的触摸控制指令。
可选的，所述确定单元还包括：
第二确定模块，用于确定所述触摸操作的操作类型；
第三确定模块，用于当所述触摸操作为滑动操作时，通过所述信号量的大小变化趋势，确定所述触摸操作在所述触摸区域的滑动方向；
第四确定模块，用于根据所述信号量的大小变化趋势，以及所述触摸操作在所述触摸区域的滑动方向确定所述控制命令。
可选的，第一计算单元包括：
第一获取模块，用于获取接收触摸操作前的第一电流大小，并获取接收触摸操作后的第二电流大小；
第一计算模块，用于根据所述第一获取模块获取的所述第一电流大小与额定电压计算第一电容值；
第二计算模块，用于根据所述第一获取模块获取的所述第二电流大小与所述额定电压计算第二电容值；
第一处理模块，用于将所述第一计算模块计算的所述第一电容值与所述第二计算模块计算的所述第二电容值之间的差值作为所述触摸操作对应的电容值。
可选的，所述第一计算单元包括：
第二获取模块，用于获取接收触摸操作前的第一电压大小，并获取接收触摸操作后的第二电压大小；
第三计算模块，用于根据所述第二获取模块获取的所述第一电压大小与额定电流计算第三电容值；
第四计算模块，用于根据所述第二获取模块获取的所述第二电压大小与所述额定电流计算第四电容值；
第二处理模块，用于将所述第三计算模块计算的所述第三电容值与所述第四计算模块计算的所述第四电容值之间的差值作为所述触摸操作对应的电容值。
可选的，所述第二计算单元，还用于根据公式C＝εS/4πkd，计算所述触摸操作在所述触摸区域上的有效触摸面积；
其中，ε是一个电常数，C为所述电容值，d为触发所述触摸操作的手指到所述触摸区域的距离，k则是静电力的常量。
第三方面，本公开提供一种电子设备，所述电子设备包括：
一个或多个处理器；
存储器，用于存储一个或多个程序；
当所述一个或多个程序被所述一个或多个处理器执行，使得所述一个或多个实现如权利要求1至权利要求6中任意一项所述的触摸操作的识别方法。
借由上述技术方案，本公开提供的触摸操作的识别方法、装置及电子设备，在接收到触摸区域的触摸操作时，计算所述触摸操作对应的电容值；所述触摸区域的触摸面积由一端到另一端逐渐减少；根据所述电容值计算所述触摸操作在所述触摸区域上的有效触摸面积；根据所述电容值以及所述有效触摸面积，确定所述触摸操作对应的触摸控制指令；与现有技术相比，本公开通过触摸操作时在触摸区域中的电容值及触摸操作在触摸区域中的有效面积，识别触摸操作对应的触摸控制指令，触摸区域为非对称样式的区域，根据有效触摸面积可确定在触摸区域中的位置，在提高准确识别触摸操作的同时，减少触摸区域的使用数量，以降低产品的成本。
上述说明仅是本公开实施例技术方案的概述，为了能够更清楚了解本公开实施例的技术手段，而可依照说明书的内容予以实施，并且为了让本公开实施例的上述和其它目的、特征和优点能够更明显易懂，以下特举本公开实施例的具体实施方式。
附图说明
通过阅读下文优选实施方式的详细描述，各种其他的优点和益处对于本领域普通技术人员将变得清楚明了。附图仅用于示出优选实施方式的目的，而并不认为是对本公开实施例的限制。而且在整个附图中，用相同的参考符号表示相同的部件。在附图中：
图1示出了本公开实施例提供的一种触摸操作的识别方法的流程图；
图2示出了现有技术中提供的一种触摸区域示意图；
图3示出了本公开实施例提供的一种触摸区域示意图；
图4示出了本公开实施例提供的一种触摸区域中包含三角形感应通道的示意图；
图5示出了本公开实施例提供的另一种触摸操作的识别方法的流程图；
图6示出了本公开实施例提供的一种触控无线耳机的示意图；
图7示出了本公开实施例提供一种触摸操作的识别装置的组成框图；
图8示出了本公开实施例提供另一种触摸操作的识别装置的组成框图；
图9示出了本公开实施例提供一种电子设备的结构框图。
具体实施方式
下面将参照附图更详细地描述本公开的示例性实施例。虽然附图中显示了本公开的示例性实施例，然而应当理解，可以以各种形式实现本公开而不应被这里阐述的实施例所限制。相反，提供这些实施例是为了能够更透彻地理解本公开，并且能够将本公开的范围完整的传达给本领域的技术人员。
本公开实施例提供一种触摸操作的识别方法，该方法应用于可通过触摸操作执行控制的电子设备中，如图1所示，所述方法包括：
101、在接收到触摸区域的触摸操作时，计算所述触摸操作对应的电容值；所述触摸区域的触摸面积由一端到另一端逐渐减少。
本公开实施例所述的电子设备中至少包含一个触摸区域，该触摸区域中包含一个触控芯片(触摸IC)用于接收用户触发的触摸操作，并将该触摸操作转换成电信号，以便电子设备的处理器识别电信号，并将其转换为触摸控制信号，以通过触摸控制信号完成一次电子设备的控制过程。
在现有技术中，触控区域中包含有一个或者多个感应通道，感应通道越多，其识别触摸操作的准确度越高，但同时包含该种触控区域的电子设备价格越昂贵；感应通道越少，其识别触摸操作的准确度越低，但同时包含该种触控区域的电子设备价格越便宜。现有技术中触控区域中的感应通道一般是对称样式，如图2所示，图2示出了现有技术中提供的一种触摸区域示意图，触摸区域中包含3个感应通道，每个感应通道的样式均为对称图形样式(矩形)，对称图形样式导致用户手指触发触摸区域中的感应通道时，在感应通道上的不同位置时产生的触摸面积相同。
针对现有技术中触摸区域中感应通道的对称图形样式，要想准确的确认出用户在触摸区域中的具体位置(触摸点)，还需要通过触摸点的坐标位置进行确定。触摸区域中常安装有自容屏和互容屏，对于自容屏：在触摸检测时，自容屏依次分别检测横向与纵向电极阵列，根据触摸前后电容的变化，分别确定横向坐标和纵向坐标，然后组合成平面的触摸坐标。自电容的扫描方式，相当于把触摸屏上的触摸点分别投影到X轴和Y轴方向， 然后分别在X轴和Y轴方向计算出坐标，最后组合成触摸点的坐标。如果是单点触摸，则在X轴和Y轴方向的投影都是唯一的，组合出的坐标也是唯一的；如果在触摸屏上有两点触摸并且这两点不在同一X方向或者同一Y方向，则在X和Y方向分别有两个投影，则组合出4个坐标。显然，只有两个坐标是真实的，另外两个就是俗称的“鬼点”。因此，自容屏无法实现真正的多点触摸。
对于电容屏，互容屏它与自容屏的区别在于，两组电极交叉的地方将会形成电容，也即这两组电极分别构成了电容的两极。当手指触摸到电容屏时，影响了触摸点附近两个电极之间的耦合，从而改变了这两个电极之间的电容量。检测互电容大小时，横向的电极依次发出激励信号，纵向的所有电极同时接收信号，这样可以得到所有横向和纵向电极交汇点的电容值大小，即整个触摸屏的二维平面的电容大小。根据触摸屏二维电容变化量数据，可以计算出每一个触摸点的坐标。因此，屏上即使有多个触摸点，也能计算出每个触摸点的真实坐标。
由上述实施例可以看出，针对现有技术触摸区域中对称图形样式的感应通道，准确计算触摸点的坐标位置是识别用户触摸操作的关键。
以下将详细阐述本公开的触摸区域图像样式的创新。如图3所示，图3示出了本公开实施例提供的一种触摸区域示意图，与图2所示的触摸区域大小相同，该触摸区域中包含2个感应通道，每个感应通道的触摸面积由一端到另一端逐渐减少，手指在感应通道的不同位置上操作时，产生的触摸面积不同。本公开实施例通过感应通道独特的样式设计，缩减电子设备所需的感应通道数量，在不影响性能的前提下，极大幅度的降低的电子设备的成本。图3给出的示例中触摸区域中包含有2个梯形的感应通道，在实际应用中，感应通道的样式还可以是三角形等等，具体的，本公开实施例对样式图形不作具体限定。
再以触摸区域中的感应通道为三角形为例，如图4所示，当用户手指触摸感应区域中的位置A时，触摸区域的触摸面积最大，当用户手指触摸感应区域中的位置B时，触摸区域的触摸面积适中，当用户手机触摸感应通道C时，触摸区域的触摸面积最小。本公开实施例对触摸区域及感应通 道的实际大小尺寸不作限定。
用户在触摸区域中的触摸操作可以为左右滑行触摸、单击触摸、双击触摸、长按触摸、上下滑行触摸等等，在实际应用中，针对用户的滑行触摸操作相较于现有技术的滑行触摸操作，能够进一步提高识别触摸操作的速度、准确性。
在触控IC接收到用户触发的触摸操作后，通过接收触摸操作前后的电流以及电压变化，计算触摸操作对应的电容值。本公开实施例对计算电容值的方法不做限定。
需要说明的是，本公开实施例所述的电子设备可以包括但不局限于以下内容，例如：触控无线耳机、平板电脑、智能手机、触控自助售票/取票机、触控电脑等等，具体的，本公开实施例对电子设备的种类不做限定，但是，电子设备中必须包含一个或多个触控区域。为了便于说明，后续实施例中会以电子设备为触摸无线耳机为例进行说明，那么触摸区域为触控无线耳机中触控区域，但是，应当明确的是，该种说明方式并非意在限定电子设备的具体类型。
102、根据所述电容值计算所述触摸操作在所述触摸区域上的有效触摸面积。
与现有技术不同的是，针对本公开实施例触摸区域中感应通道的图形样式的改进，使得识别触摸操作对应的触摸控制指令的侧重点也发生变化，本公开实施例的侧重点并非是在如何确定触摸区域中触摸点的详细坐标位置，而是将侧重点放在如何根据电容值确定触摸操作在触摸区域上的有效接触面积。
在电容值已知的情况下，通过公式：根据公式C＝εS/4πkd，计算所述触摸操作在所述触摸区域上的有效触摸面积；其中，ε是一个电常数，C为所述电容值，d为触发所述触摸操作的手指到所述触摸区域的距离，k则是静电力的常量。需要说明的是，在同一电子设备中(触控无线耳机)，手指到触摸区域的距离均相同，因此，在上述公式中，C、ε、π、k、d均为常数，只有有效接触面积S为未知数。
103、根据所述电容值以及所述有效触摸面积，确定所述触摸操作对应 的触摸控制指令。
当触控芯片得到触控操作、电容值、以及有效触摸面积之后，传输给无线耳机的处理器，以便触控无线耳机中的处理器根据识别确认出的控制触控无线耳机，对触控无线耳机进行控制。
根据电容值的大小变化，可以判断用户的本次触摸操作的操作类型，所述操作类型包括：单击、双击、长按、滑动操作等等。例如，当触摸区域首次接收到的触摸操作的电容值为1F，在连续时间段(0.03秒)内，再次接收到第二次触摸操作的电容值为1.01F，可判断本次触摸操作为双击操作，且两次触摸操作的有效触摸面积相同或相近；当触摸区域首次接收到的触摸操作的电容值为2F，在连续时间段(0.5秒)内，电容值在逐渐减小，且触摸有效面积逐渐减小，可判断本次触摸操作为上下滑动操作等等。
对于触控IC在识别滑动操作时，触控IC会接收到电流或者电压的变化，根据变化的电流或者电压计算出电容的变化，通过电容的变化计算有效触摸面积的变化，触控IC将有效触摸面积的变化传递给触控无线耳机的处理器，以便其通过变化的有效接触面积计算触控的具体位置。
在处理器确定触摸操作对应的触摸控制指令时，基于已定的预定触摸控制指令确认规则进行确定，如表1所示，表1中记录有触摸操作与触摸控制指令之间的映射关系，在触控IC确定触控操作、电容值、以及有效触摸面积之后，触控无线耳机的处理器可根据表1的内容确定触摸控制指令，并执行所述触摸控制指令，表1仅为示例性的举例，本公开实施例对触摸操作的操作类型、有效面积及触摸控制指令之间的映射关系不做限定。
表1
触摸操作的操作类型 有效触摸面积 触摸控制指令
单击 大于零的任意值 暂停播放/挂断电话
双击 大于零的任意值 下一曲
上下滑动 由小到大变化 音量+
上下滑动 由大到小变化 音量-
向左滑动 大于零的任意值 后退
向右滑动 大于零的任意值 快进
…… …… ……
本公开实施例提供的触摸操作的识别方法，在接收到触摸区域的触摸操作时，计算所述触摸操作对应的电容值；所述触摸区域的触摸面积由一端到另一端逐渐减少；根据所述电容值计算所述触摸操作在所述触摸区域上的有效触摸面积；根据所述电容值以及所述有效触摸面积，确定所述触摸操作对应的触摸控制指令；与现有技术相比，本公开实施例通过触摸操作时在触摸区域中的电容值及触摸操作在触摸区域中的有效面积，识别触摸操作对应的触摸控制指令，触摸区域为非对称样式的区域，根据有效触摸面积可确定在触摸区域中的位置，在提高准确识别触摸操作的同时，减少触摸区域的使用数量，以降低产品的成本。
进一步的，作为对图1所述实施例的细化及扩展，本公开实施例还提供另一种触摸操作的识别方法，该方法应用于触控无线耳机中，如图5所示，所述方法包括：
201、在接收到触摸区域的触摸操作时，计算所述触摸操作对应的电容值；所述触摸区域的触摸面积由一端到另一端逐渐减少。
有关触摸区域以及触摸操作的相关内容，请参考步骤101的详细描述。
在实际应用中，计算触摸操作对应的电容值可以采用以下两种方式：
方式一：电压一定时，通过额定电压与电流计算电容值。
触控无线耳机的触控区域在没有被用户触摸时，会在触摸区域内产生一个第一电流，当用户触摸触控无线耳机的触摸区域时，会在触摸区域内产生一个第二电流，其中，第一电流与第二电流的大小会由于触摸的前后变化而存在明显变化。触控IC根据所述第一电流大小与额定电压计算第一电容值；根据所述第二电流大小与所述额定电压计算第二电容值；在计算电容值时，根据公式C＝K I/U，其中，K为常数，I为触控IC获取的第一电流或第二电流，U为触控无线耳机的额定电压。
在基于上述公式分别计算得到第一电容值和第二电容值之后，将所述第一电容值与所述第二电容值之间的差值作为所述触摸操作对应的电容值。
方式二：电流一定时，通过额定电流与电压计算电容值。
与方式一类似，在计算电容值时，依赖于一个既定量，本实现方式中，既定量为电流。触控无线耳机的触控区域在没有被用户触摸时，会在触摸区域内产生一个第一电压，当用户触摸触控无线耳机的触摸区域时，会在触摸区域内产生一个第二电压，其中，第一电压与第二电压的大小会由于触摸的前后变化而存在明显变化。触控IC根据所述第一电压大小与额定电流计算第一电容值；根据所述第二电压大小与所述额定电流计算第二电容值；在计算电容值时，根据公式C＝K I/U，其中，K为常数，U为触控IC获取的第一电压或第二电压，I为触控无线耳机的额定电流。
在基于上述公式分别计算得到第一电容值和第二电容值之后，将所述第一电容值与所述第二电容值之间的差值作为所述触摸操作对应的电容值。
202、根据所述电容值计算所述触摸操作在所述触摸区域上的有效触摸面积(同步骤102)。
有关计算有效触摸面积的计算方法，可采用公式C＝εS/4πkd，详细解释请参考上述实施例的详细描述，本公开实施例在此不再进行赘述。
203、将所述电容值以及所述有效触摸面积转换为信号量，根据所述信号量，和预定义的信号量与预定触摸控制指令对应关系，确定对应的触摸控制指令。
为了提升识别触摸操作的速度，触控无线耳机的处理器在获取有效触摸面积之后，将所述电容值以及所述有效触摸面积转换为信号量，根据所述信号量，和预定义的信号量与预定触摸控制指令对应关系，确定对应的触摸控制指令。将所述电容值以及有效触摸面积转换为信号量的目的在于简化识别触摸控制指令的步骤，提高识别触摸操作的速度。
示例性的，可以设定图4中触摸位置A处的信号量为100K，触摸位置B处的信号量为50K，触摸位置C处的信号量为1K等等，其中，K为常数，与触摸区域制作的材质、工艺、与设计相关。
示例性的，如图6所示，图6示出了本公开实施例提供的一种触控无线耳机的示意图，该触控无线耳机中包含耳机本体61、触控区域62，触控区域62中包含三角形的单个感应通道621，用户可在触控区域62内根据自 身的实际需求进行触摸操作。
本公开实施例中的触控IC会接触到用户的该种操作，当触控IC接收到用户在触控区域中的滑行操作时，其识别触摸操作对应的触摸控制指令时，优势较为明显。因为滑行操作是一个用户的连续操作，该连续操作在触摸区域中对应的有效触摸面积会存在明显变化，例如，当用户在图6中的触摸区域内自上而下进行滑动时，其电容值在不断变小，随之变化的是有效触摸面的减小。
在转换为信号量后，处理器根据信号量的大小变化，来识别用户手指的滑动方向。具体包括：处理器先确定所述触摸操作的操作类型，若所述触摸操作为滑动操作，则通过所述信号量的大小变化趋势，确定所述触摸操作在所述触摸区域的滑动方向，根据所述信号量的大小变化趋势，以及所述触摸操作在所述触摸区域的滑动方向确定所述控制命令。例如，当信号量由小到大进行变化时，可以判断用户的手指方向是从图6的下方向上方进行滑行，会执行音量的增加控制操作。
需要说明的是，对于其他操作(除滑动操作外)而言，例如，单击、双击、长按等操作，基于有效触摸面积去识别对应的触摸控制指令时，相对于识别滑动操作的优势略低，但是，同现有技术中，触控无线耳机需要通过与其连接的智能终端设备控制而言，其优势较为明显，能够在触控无线耳机中直接进行控制指令的发起、执行，而无需与其连接设备的辅助。在识别单击、双击、长按等操作时，更多的是利用电容值的变化或者电容值的连续变化，而非是有效触摸面积。示例性的，当用户在图6的感应通道的上方执行双击操作时，处理器会识别该触摸操作为双击操作，当用户的感应通道的下方执行双击操作时，处理器同样会识别该触摸操作为双击操作，对于单击、双击、长按等操作其重点是要在感应通道上执行触摸操作。
需要强调的是，图6是以单个感应通道为例进行的说明，在实际应用中，若触摸区域应用于平板电脑、智能手机等触摸区域较大的电子设备时，可以在触摸区域中同时安装多个感应通道，其执行触摸接收、识别的方式与单个感应通道的执行相同，具体的，本公开实施例对多个感应通道的工 作模式不再进行一一赘述。
进一步的，作为对上述图1及图2所示方法的实现，本公开另一实施例还提供了一种触摸操作的识别装置。该装置实施例与前述方法实施例对应，为便于阅读，本装置实施例不再对前述方法实施例中的细节内容进行逐一赘述，但应当明确，本实施例中的装置能够对应实现前述方法实施例中的全部内容。
本公开实施例提供一种触摸操作的识别装置，如图7所示，包括：
第一计算单元31，用于在接收到触摸区域的触摸操作时，计算所述触摸操作对应的电容值；所述触摸区域的触摸面积由一端到另一端逐渐减少；
第二计算单元32，用于根据所述第一计算单元31计算的所述电容值计算所述触摸操作在所述触摸区域上的有效触摸面积；
确定单元33，用于根据所述第一计算单元32计算的所述电容值以及所述第二计算单元计算的所述有效触摸面积，确定所述触摸操作对应的触摸控制指令。
进一步的，如图8所示，所述确定单元33包括：
转换模块331，用于将所述电容值以及所述有效触摸面积转换为信号量；
第一确定模块332，用于根据所述转换模块331转换的所述信号量，和预定义的信号量与预定触摸控制指令对应关系，确定对应的触摸控制指令。
进一步的，如图8所示，所述确定单元33还包括：
第二确定模块333，用于确定所述触摸操作的操作类型；
第三确定模块334，用于当所述触摸操作为滑动操作时，通过所述信号量的大小变化趋势，确定所述触摸操作在所述触摸区域的滑动方向；
第四确定模块335，用于根据所述信号量的大小变化趋势，以及所述触摸操作在所述触摸区域的滑动方向确定所述控制命令。
进一步的，如图8所示，第一计算单元31包括：
第一获取模块311，用于获取接收触摸操作前的第一电流大小，并获取接收触摸操作后的第二电流大小；
第一计算模块312，用于根据所述第一获取模块311获取的所述第一电 流大小与额定电压计算第一电容值；
第二计算模块313，用于根据所述第一获取模块311获取的所述第二电流大小与所述额定电压计算第二电容值；
第一处理模块314，用于将所述第一计算模块312计算的所述第一电容值与所述第二计算模块313计算的所述第二电容值之间的差值作为所述触摸操作对应的电容值。
进一步的，如图8所示，所述第一计算单元31包括：
第二获取模块315，用于获取接收触摸操作前的第一电压大小，并获取接收触摸操作后的第二电压大小；
第三计算模块316，用于根据所述第二获取模块315获取的所述第一电压大小与额定电流计算第三电容值；
第四计算模块317，用于根据所述第二获取模块315获取的所述第二电压大小与所述额定电流计算第四电容值；
第二处理模块318，用于将所述第三计算模块316计算的所述第三电容值与所述第四计算模块317计算的所述第四电容值之间的差值作为所述触摸操作对应的电容值。
进一步的，所述第二计算单元32，还用于根据公式C＝εS/4πkd，计算所述触摸操作在所述触摸区域上的有效触摸面积；
其中，ε是一个电常数，C为所述电容值，d为触发所述触摸操作的手指到所述触摸区域的距离，k则是静电力的常量。
本公开实施例提供的触摸操作的识别装置，在接收到触摸区域的触摸操作时，计算所述触摸操作对应的电容值；所述触摸区域的触摸面积由一端到另一端逐渐减少；根据所述电容值计算所述触摸操作在所述触摸区域上的有效触摸面积；根据所述电容值以及所述有效触摸面积，确定所述触摸操作对应的触摸控制指令；与现有技术相比，本公开实施例通过触摸操作时在触摸区域中的电容值及触摸操作在触摸区域中的有效面积，识别触摸操作对应的触摸控制指令，触摸区域为非对称样式的区域，根据有效触摸面积可确定在触摸区域中的位置，在提高准确识别触摸操作的同时，减少触摸区域的使用数量，以降低产品的成本。
进一步的，如图9所示，本公开实施例还提供一种电子设备，所述电子设备可以包括但不局限于以下内容，例如：触控无线耳机、平板电脑、智能手机、触控自助售票/取票机、触控电脑等等，所述电子设备包括：
一个或多个处理器401；
存储器402，用于存储一个或多个程序；
当所述一个或多个程序被所述一个或多个处理器执行，使得所述一个或多个实现如下方法，所述方法包括：
在接收到触摸区域的触摸操作时，计算所述触摸操作对应的电容值；所述触摸区域的触摸面积由一端到另一端逐渐减少；
根据所述电容值计算所述触摸操作在所述触摸区域上的有效触摸面积；
根据所述电容值以及所述有效触摸面积，确定所述触摸操作对应的触摸控制指令。
处理器401、存储器402通过总线403完成相互间的通信。
可选的，根据所述电容值以及所述有效触摸面积，确定所述触摸操作对应的触摸控制指令包括：
将所述电容值以及所述有效触摸面积转换为信号量；
根据所述信号量，和预定义的信号量与预定触摸控制指令对应关系，确定对应的触摸控制指令。
可选的，根据所述电容值以及所述有效触摸面积，确定所述触摸操作对应的触摸控制指令还包括：
确定所述触摸操作的操作类型；
若所述触摸操作为滑动操作，则通过所述信号量的大小变化趋势，确定所述触摸操作在所述触摸区域的滑动方向；
根据所述信号量的大小变化趋势，以及所述触摸操作在所述触摸区域的滑动方向确定所述控制命令。
可选的，计算所述触摸操作对应的电容值包括：
获取接收触摸操作前的第一电流大小，并获取接收触摸操作后的第二电流大小；
根据所述第一电流大小与额定电压计算第一电容值；
根据所述第二电流大小与所述额定电压计算第二电容值；
将所述第一电容值与所述第二电容值之间的差值作为所述触摸操作对应的电容值。
可选的，计算所述触摸操作对应的电容值包括：
获取接收触摸操作前的第一电压大小，并获取接收触摸操作后的第二电压大小；
根据所述第一电压大小与额定电流计算第三电容值；
根据所述第二电压大小与所述额定电流计算第四电容值；
将所述第三电容值与所述第四电容值之间的差值作为所述触摸操作对应的电容值。
可选的，根据所述电容值计算所述触摸操作在所述触摸区域上的有效触摸面积包括：
根据公式C＝εS/4πkd，计算所述触摸操作在所述触摸区域上的有效触摸面积；
其中，ε是一个电常数，C为所述电容值，d为触发所述触摸操作的手指到所述触摸区域的距离，k则是静电力的常量。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
可以理解的是，上述方法及装置中的相关特征可以相互参考。另外，上述实施例中的“第一”、“第二”等是用于区分各实施例，而并不代表各实施例的优劣。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统，装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在此提供的算法和显示不与任何特定计算机、虚拟系统或者其它设备固有相关。各种通用系统也可以与基于在此的示教一起使用。根据上面的描述，构造这类系统所要求的结构是显而易见的。此外，本公开也不针对任何特定编程语言。应当明白，可以利用各种编程语言实现在此描述的本 公开的内容，并且上面对特定语言所做的描述是为了披露本公开的最佳实施方式。
在此处所提供的说明书中，说明了大量具体细节。然而，能够理解，本公开的实施例可以在没有这些具体细节的情况下实践。在一些实例中，并未详细示出公知的方法、结构和技术，以便不模糊对本说明书的理解。
类似地，应当理解，为了精简本公开并帮助理解各个公开方面中的一个或多个，在上面对本公开的示例性实施例的描述中，本公开的各个特征有时被一起分组到单个实施例、图、或者对其的描述中。然而，并不应将该公开的方法解释成反映如下意图：即所要求保护的本公开要求比在每个权利要求中所明确记载的特征更多的特征。更确切地说，如下面的权利要求书所反映的那样，公开方面在于少于前面公开的单个实施例的所有特征。因此，遵循具体实施方式的权利要求书由此明确地并入该具体实施方式，其中每个权利要求本身都作为本公开的单独实施例。
本领域那些技术人员可以理解，可以对实施例中的设备中的模块进行自适应性地改变并且把它们设置在与该实施例不同的一个或多个设备中。可以把实施例中的模块或单元或组件组合成一个模块或单元或组件，以及此外可以把它们分成多个子模块或子单元或子组件。除了这样的特征和/或过程或者单元中的至少一些是相互排斥之外，可以采用任何组合对本说明书(包括伴随的权利要求、摘要和附图)中公开的所有特征以及如此公开的任何方法或者设备的所有过程或单元进行组合。除非另外明确陈述，本说明书(包括伴随的权利要求、摘要和附图)中公开的每个特征可以由提供相同、等同或相似目的的替代特征来代替。
此外，本领域的技术人员能够理解，尽管在此所述的一些实施例包括其它实施例中所包括的某些特征而不是其它特征，但是不同实施例的特征的组合意味着处于本公开的范围之内并且形成不同的实施例。例如，在下面的权利要求书中，所要求保护的实施例的任意之一都可以以任意的组合方式来使用。
本公开的各个部件实施例可以以硬件实现，或者以在一个或者多个处理器上运行的软件模块实现，或者以它们的组合实现。本领域的技术人员 应当理解，可以在实践中使用微处理器或者数字信号处理器(DSP)来实现根据本公开实施例的触摸操作的识别方法、装置及电子设备中的一些或者全部部件的一些或者全部功能。本公开还可以实现为用于执行这里所描述的方法的一部分或者全部的设备或者装置程序(例如，计算机程序和计算机程序产品)。这样的实现本公开的程序可以存储在计算机可读介质上，或者可以具有一个或者多个信号的形式。这样的信号可以从因特网网站上下载得到，或者在载体信号上提供，或者以任何其他形式提供。
应该注意的是上述实施例对本公开进行说明而不是对本公开进行限制，并且本领域技术人员在不脱离所附权利要求的范围的情况下可设计出替换实施例。在权利要求中，不应将位于括号之间的任何参考符号构造成对权利要求的限制。单词“包含”不排除存在未列在权利要求中的元件或步骤。位于元件之前的单词“一”或“一个”不排除存在多个这样的元件。本公开可以借助于包括有若干不同元件的硬件以及借助于适当编程的计算机来实现。在列举了若干装置的单元权利要求中，这些装置中的若干个可以是通过同一个硬件项来具体体现。单词第一、第二、以及第三等的使用不表示任何顺序。可将这些单词解释为名称。

Claims (14)

  1. 一种触摸操作的识别方法，其特征在于，包括：
    在接收到触摸区域的触摸操作时，计算所述触摸操作对应的电容值；所述触摸区域的触摸面积由一端到另一端逐渐减少；
    根据所述电容值计算所述触摸操作在所述触摸区域上的有效触摸面积；
    根据所述电容值以及所述有效触摸面积，确定所述触摸操作对应的触摸控制指令。
  2. 根据权利要求1所述的方法，其特征在于，根据所述电容值以及所述有效触摸面积，确定所述触摸操作对应的触摸控制指令包括：
    将所述电容值以及所述有效触摸面积转换为信号量；
    根据所述信号量，和预定义的信号量与预定触摸控制指令对应关系，确定对应的触摸控制指令。
  3. 根据权利要求2所述的方法，其特征在于，根据所述电容值以及所述有效触摸面积，确定所述触摸操作对应的触摸控制指令还包括：
    确定所述触摸操作的操作类型；
    若所述触摸操作为滑动操作，则通过所述信号量的大小变化趋势，确定所述触摸操作在所述触摸区域的滑动方向；
    根据所述信号量的大小变化趋势，以及所述触摸操作在所述触摸区域的滑动方向确定所述控制命令。
  4. 根据权利要求1-3中任一项所述的方法，其特征在于，计算所述触摸操作对应的电容值包括：
    获取接收触摸操作前的第一电流大小，并获取接收触摸操作后的第二电流大小；
    根据所述第一电流大小与额定电压计算第一电容值；
    根据所述第二电流大小与所述额定电压计算第二电容值；
    将所述第一电容值与所述第二电容值之间的差值作为所述触摸操作对应的电容值。
  5. 根据权利要求1-3中任一项所述的方法，其特征在于，计算所述触 摸操作对应的电容值包括：
    获取接收触摸操作前的第一电压大小，并获取接收触摸操作后的第二电压大小；
    根据所述第一电压大小与额定电流计算第三电容值；
    根据所述第二电压大小与所述额定电流计算第四电容值；
    将所述第三电容值与所述第四电容值之间的差值作为所述触摸操作对应的电容值。
  6. 根据权利要求1-3中任一项所述的方法，其特征在于，根据所述电容值计算所述触摸操作在所述触摸区域上的有效触摸面积包括：
    根据公式C＝εS/4πkd，计算所述触摸操作在所述触摸区域上的有效触摸面积；
    其中，ε是一个电常数，C为所述电容值，d为触发所述触摸操作的手指到所述触摸区域的距离，k则是静电力的常量。
  7. 一种触摸操作的识别装置，其特征在于，包括：
    第一计算单元，用于在接收到触摸区域的触摸操作时，计算所述触摸操作对应的电容值；所述触摸区域的触摸面积由一端到另一端逐渐减少；
    第二计算单元，用于根据所述第一计算单元计算的所述电容值计算所述触摸操作在所述触摸区域上的有效触摸面积；
    确定单元，用于根据所述第一计算单元计算的所述电容值以及所述第二计算单元计算的所述有效触摸面积，确定所述触摸操作对应的触摸控制指令。
  8. 根据权利要求7所述的装置，其特征在于，所述确定单元包括：
    转换模块，用于将所述电容值以及所述有效触摸面积转换为信号量；
    第一确定模块，用于根据所述转换模块转换的所述信号量，和预定义的信号量与预定触摸控制指令对应关系，确定对应的触摸控制指令。
  9. 根据权利要求8所述的装置，其特征在于，所述确定单元还包括：
    第二确定模块，用于确定所述触摸操作的操作类型；
    第三确定模块，用于当所述触摸操作为滑动操作时，通过所述信号量的大小变化趋势，确定所述触摸操作在所述触摸区域的滑动方向；
    第四确定模块，用于根据所述信号量的大小变化趋势，以及所述触摸操作在所述触摸区域的滑动方向确定所述控制命令。
  10. 根据权利要求7-9中任一项所述的装置，其特征在于，第一计算单元包括：
    第一获取模块，用于获取接收触摸操作前的第一电流大小，并获取接收触摸操作后的第二电流大小；
    第一计算模块，用于根据所述第一获取模块获取的所述第一电流大小与额定电压计算第一电容值；
    第二计算模块，用于根据所述第一获取模块获取的所述第二电流大小与所述额定电压计算第二电容值；
    第一处理模块，用于将所述第一计算模块计算的所述第一电容值与所述第二计算模块计算的所述第二电容值之间的差值作为所述触摸操作对应的电容值。
  11. 根据权利要求7-9中任一项所述的装置，其特征在于，所述第一计算单元包括：
    第二获取模块，用于获取接收触摸操作前的第一电压大小，并获取接收触摸操作后的第二电压大小；
    第三计算模块，用于根据所述第二获取模块获取的所述第一电压大小与额定电流计算第三电容值；
    第四计算模块，用于根据所述第二获取模块获取的所述第二电压大小与所述额定电流计算第四电容值；
    第二处理模块，用于将所述第三计算模块计算的所述第三电容值与所述第四计算模块计算的所述第四电容值之间的差值作为所述触摸操作对应的电容值。
  12. 根据权利要求7-9中任一项所述的装置，其特征在于，所述第二计算单元，还用于根据公式C＝εS/4πkd，计算所述触摸操作在所述触摸区域上的有效触摸面积；
    其中，ε是一个电常数，C为所述电容值，d为触发所述触摸操作的手指到所述触摸区域的距离，k则是静电力的常量。
  13. 一种存储器，其特征在于，
    所述存储器用于存储一个或多个程序；
    当所述一个或多个程序被一个或多个处理器执行，实现如权利要求1至权利要求6中任意一项所述的触摸操作的识别方法。
  14. 一种电子设备，其特征在于，所述电子设备包括：
    一个或多个处理器；
    存储器，用于存储一个或多个程序；
    当所述一个或多个程序被一个或多个处理器执行，实现如权利要求1至权利要求6中任意一项所述的触摸操作的识别方法。
PCT/CN2018/093788 2017-09-26 2018-06-29 触摸操作的识别方法、装置及电子设备 WO2019062243A1 (zh)

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