WO2012075732A1 - 一种应用于数字终端的输入方法及装置 - Google Patents

一种应用于数字终端的输入方法及装置 Download PDF

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Publication number
WO2012075732A1
WO2012075732A1 PCT/CN2011/071176 CN2011071176W WO2012075732A1 WO 2012075732 A1 WO2012075732 A1 WO 2012075732A1 CN 2011071176 W CN2011071176 W CN 2011071176W WO 2012075732 A1 WO2012075732 A1 WO 2012075732A1
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Prior art keywords
icon
contact
input device
corresponding character
user interface
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PCT/CN2011/071176
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English (en)
French (fr)
Inventor
吴宏超
曲中奎
韩文军
李珏晶
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中兴通讯股份有限公司
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Publication of WO2012075732A1 publication Critical patent/WO2012075732A1/zh

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487Interaction 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
    • G06F3/0488Interaction 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
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0445Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/048Indexing scheme relating to G06F3/048
    • G06F2203/04806Zoom, i.e. interaction techniques or interactors for controlling the zooming operation

Definitions

  • the present invention relates to digital terminal technology, and more particularly to an input method and apparatus for digital terminals. Background technique
  • the touch screen input is intuitive and convenient, it can achieve WYSIWYG and does not occupy the display space. These advantages are beyond the traditional input devices such as keyboards. Therefore, the more human-computer interaction digital terminals The more commonly the touch screen is used as the user's input device. Moreover, with the gradual application of capacitive touch screens, human-computer interaction has entered the era of finger touch. With a capacitive touch screen, people don't have to worry about the loss of the stylus that is carried, and lift the finger to complete the operation. Moreover, since the application principle of the capacitive touch screen relies on capacitive coupling to achieve touch, in some cases, the user can complete the predetermined operation without touching the touch screen.
  • the existing solution is as follows: Taking a virtual keyboard as an example, when a finger touches the surface of the touch screen, the character corresponding to the touch position of the finger is enlarged or displayed outside the keyboard, as long as the finger does not leave the surface of the touch screen, the character is It will not be selected so that the finger can be swiped on the keyboard for reselection to correct the primary selection error.
  • the above solutions still have the following drawbacks: First, as long as the contact, characters or icons are selected, so that the user cannot cancel the selected event in time; secondly, after the finger touches the touch screen, only after lifting the finger, : The selected event is triggered only after the finger is not in contact with the touch screen, and is triggered when the user uses the physical keyboard. The habit of the event is completely different.
  • the pressing action is equivalent to the contact action when the touch screen is used, thus causing inconvenience to the user.
  • the present invention provides an input method applied to a digital terminal, the method comprising: performing a corresponding character or icon on a user interface when a distance between an operating body and an input device capable of sensing a non-contact operation is equal to a preset threshold Highlight processing;
  • the operating body is further in contact with the input device capable of sensing the touch operation, and the corresponding character or icon is selected to trigger a corresponding predetermined program to run.
  • the highlighting processing on the corresponding character or icon on the user interface includes:
  • the corresponding character or icon on the user interface becomes larger; or,
  • the corresponding character or icon on the user interface is displayed in other obvious areas; or,
  • the corresponding character or icon on the user interface becomes larger, and the corresponding character or icon adjacent to the icon on the user interface becomes smaller.
  • a character or an icon corresponding to the coordinate value of the operating body is found according to the predetermined correspondence relationship, and the corresponding character or icon is highlighted.
  • the method further includes:
  • the method further includes:
  • the highlighted corresponding character or icon on the user interface is un-highlighted.
  • the method before the step of the method, the method further includes:
  • the present invention also provides an input device for a digital terminal, the device comprising: a detecting unit and a processing unit;
  • a detecting unit configured to detect whether a distance between the operating body and the input device capable of sensing the non-contact operation is equal to a preset threshold
  • a processing unit when the distance between the operating body and the input device capable of sensing non-contact operation is equal to a preset threshold, performing a highlighting process on a corresponding character or icon on the user interface; and when the operation is performed When the body is further in contact with the input device capable of sensing the touch operation, the corresponding character or icon is selected to trigger the corresponding predetermined program to run.
  • the detecting unit is specifically configured to: report the proximity message to the processing unit when the distance between the operating body and the input device capable of sensing the non-contact operation is equal to a preset threshold; The operating body further contacts the processing unit when contacting the input device capable of sensing the contact operation;
  • the processing unit is specifically configured to: after receiving the proximity message reported by the detecting unit, perform highlighting processing on the corresponding character or icon on the user interface; and after receiving the contact message reported by the detecting unit, select the corresponding character Or icon, trigger the corresponding scheduled program to run.
  • the apparatus further includes a setting unit for setting the contactless touch switch.
  • the device further includes a non-contact touch switch for triggering the test list Yuan
  • the detecting unit is configured to receive the trigger information of the contactless touch switch, and when the distance between the operating body and the input device capable of sensing the non-contact operation is equal to a preset threshold, to the processing unit Reporting the proximity message; and reporting the contact message to the processing unit when the operating body is further in contact with the input device capable of sensing the contact operation.
  • the detecting unit is further configured to report the leaving message to the processing unit when the distance between the operating body and the input device capable of sensing the non-contact operation is greater than a preset threshold;
  • the processing unit is further configured to: after receiving the leaving message reported by the detecting unit, cancel the highlighted corresponding character or icon on the user interface.
  • the corresponding character or icon on the user interface is highlighted; the operating body is further sensible
  • the input device of the contact operation is touched, and the corresponding character or icon is selected to trigger the corresponding predetermined program to run, so that the accuracy and speed of the input can be improved.
  • FIG. 1 is a schematic flow chart of an input method applied to a digital terminal according to the present invention
  • FIG. 2 is a schematic structural diagram of a digital terminal device according to an embodiment
  • FIG. 3 is a schematic structural diagram of a basic unit electric field of a touch screen of an embodiment
  • FIG. 4 is a schematic diagram of an electric field when a finger is in close proximity to a basic unit of a touch screen
  • FIG. 5 is a schematic diagram of an electric field when a finger is in contact with a basic unit of the touch screen in the embodiment
  • FIG. 6 is a flow chart of an input method applied to the digital terminal in the embodiment. ; Figure. detailed description
  • the input method of the present invention applied to the digital terminal includes the following steps: Step 101: When the distance between the operating body and the input device capable of sensing the non-contact operation is equal to a preset threshold, on the user interface Highlighting the corresponding character or icon;
  • the operating body may be a user's finger or the like
  • the input device capable of sensing non-contact operation may be a capacitive touch screen, an infrared touch screen, or the like;
  • the threshold can be preset according to the user experience.
  • the distance can be set to 2 ⁇ 3mm;
  • the highlighting process is performed on the corresponding character or icon on the user interface, which may be that the corresponding character or icon on the user interface becomes larger, or the corresponding character or icon on the user interface may be displayed in other obvious areas, or It is also possible that the corresponding character or icon on the user interface becomes larger, and at the same time, the corresponding character on the user interface or other characters or icons adjacent to the icon becomes smaller;
  • the input operation may be canceled, specifically, when the operator and the sensible contactless operation are input
  • the distance of the device is greater than the preset threshold, the corresponding character or icon highlighted on the user interface is unhighlighted.
  • Step 102 The operating body is further in contact with the input device capable of sensing contact operation, and the corresponding character or icon is selected to trigger a corresponding predetermined program to run;
  • the predetermined program running corresponding to the trigger refers to triggering a predetermined program corresponding to the selected character or icon, For example: The character is displayed in the predetermined display area, or the program corresponding to the icon is running.
  • the digital terminal device in this embodiment includes a memory 201, a memory controller 202, a central processing unit (CPU) 203, a peripheral interface 204, and an electromagnetic frequency (RF) circuit. 205. Audio circuitry 206, external port 207, input/output (I/O) subsystem 208, touch screen 209, display 210, and other input/output devices 211. These components communicate over one or more communication buses or signal lines.
  • the digital terminal device may be any digital terminal device, such as a handheld computer, a mobile phone, a media player, a personal digital assistant (PDA), or the like, or a combination of two or more of them. It should be understood that the digital terminal device in this embodiment is only an example of a portable digital terminal device.
  • the digital terminal device may have more or less components than the components shown in FIG. 2, or It is also possible to have a different component configuration than the components shown in FIG. 2.
  • the various components shown in Figure 2 can be implemented in hardware, software, or a combination of software and hardware, including one or more signal processing and dedicated integrated circuits.
  • Memory 201 can include random access memory and can further include one or more disk storage devices, flash memory devices, or other non-volatile memory.
  • the memory controller 202 can control access to the memory 201 by other components of the digital terminal device, such as the CPU 203 and the peripheral interface 204.
  • the CPU 203 may include one or more processing units that execute various software programs stored in the memory 201 to perform various functions of the digital terminal device and process the data.
  • Peripheral interface 204 couples the input and output peripherals of the digital terminal device to CPU 203 and On the reservoir 201.
  • the RF circuit 205 receives and transmits electromagnetic waves. Specifically, the RF circuit 205 converts the electrical signals into electromagnetic waves and communicates with the communication network and other communication devices via the electromagnetic waves; meanwhile, the received electromagnetic waves are converted into electrical signals.
  • the audio circuit 206 provides an audio interface between the user and the digital terminal device, the audio circuit 206 receives the audio data from the peripheral interface 204, converts the audio data into an electrical signal, and transmits the electrical signal to a speaker that converts the electrical signal to an adult The audible sound wave; the audio circuit 206 also receives the electrical signal converted from the sound wave by the microphone, and converts the electrical signal into audio data, and transmits the audio data to the peripheral interface 204 for processing.
  • the interface, input/output peripherals can be touch screen 209, display 210, and other input/output devices 211.
  • the I/O subsystem 208 includes a touch screen controller 2081, a display controller 2082, and one or more controllers 2083 for other input/output devices 211.
  • Touch screen 209 and display 210 provide an input interface and an output interface, respectively, between the device and the user.
  • the display 210 displays a visual output to the user, which may include text, graphics, video, and any combination of text, graphics, and video.
  • Touch screen 209 is a touch sensitive surface that receives user input, detects contact on touch screen 209 with touch screen controller 2081, and transforms the detected contact into interaction with a user interface object on display 210.
  • the system 212 can include a power management system, one or more power sources such as batteries, a charging system, power failure detection circuitry, power converters, and any other components associated with power generation, management, and distribution in the portable device.
  • the touch screen 209 and the touch screen controller 2081 in this embodiment support the touch technology of the non-contact operation, and the touch technology of the non-contact operation is specifically a capacitive technology.
  • Capacitance means housing an electric field Ability.
  • 3 shows the basic unit of the touch screen. As shown in FIG. 3, the basic unit of the touch screen includes a non-contact transmitter (Transmitter) and a receiver (Rx). In the working state, the touch screen controller first charges the capacitor composed of the emitter and the receiver, as shown in Fig. 3, the black line indicates the electric field between the two poles.
  • a capacitor is formed between the finger and the emitter and the receiver, respectively, thereby generating an electric field; wherein, due to the large plate area of the emitter, the electric field between the finger and the emitter Greater than the electric field between the finger and the receiver.
  • the proximity of the finger weakens the electric field between the emitter and the receiver, ie: the voltage value is lowered, the touch screen controller can detect the touch unit whose voltage value is reduced, thereby determining the position of the finger touch;
  • the asymptotic distance between the touch screen and the touch screen weakens the electric field between the two poles of the touch unit, that is, the voltage value between the two poles of the touch unit is smaller. Therefore, it is necessary to convert the preset distance width value into a voltage threshold that the device can recognize, that is, set a voltage threshold between the two poles of the touch unit corresponding to the "close" event command, and determine the finger and the voltage value by the voltage threshold.
  • the distance between the touch screens is reported to the CPU when the touch screen controller determines that the voltage between the two poles reaches the set threshold.
  • the distance between the finger and the touch screen corresponding to the set voltage threshold may vary due to different fingers of different users.
  • the touch screen controller determines that the voltage between the two poles reaches a predetermined contact voltage threshold. , Report the "contact" event command to the CPU.
  • the present invention does not exclude other non-contact touch technologies, such as infrared technology, etc., in these non-contact touch technology applications, the user can operate the touch screen using a suitable object or accessory, without being limited to a finger.
  • the input method applied to the digital terminal in this embodiment, as shown in FIG. 6, includes the following steps: Step 601: The digital terminal device is set in a state to be input by any predetermined manner; where the state to be input refers to a user interface on the display. Enter a status or icon for a character.
  • Step 602 When the finger continuously approaches the touch screen and reaches the voltage threshold corresponding to the "close” event, the touch screen controller reports the "close” command to the CPU;
  • the "proximity" instruction includes: touching a coordinate value; and further comprising a gesture; wherein the gesture is a string of characters that specifically highlights a corresponding character or icon on the user interface, such as: The corresponding character or icon on the character that is enlarged.
  • Step 603 After receiving the instruction, the CPU finds a character or an icon corresponding to the reported coordinate value according to the predetermined correspondence relationship, and performs a highlighting process on the corresponding character or icon.
  • the corresponding relationship may be a touch screen.
  • the coordinate correspondence relationship that is completely consistent with the display may also be other correspondences, that is, it may be any other correspondence that can find a character or an icon corresponding to the reported coordinate value according to the corresponding relationship;
  • the highlighting process is performed on the corresponding character or icon, and the corresponding character or icon on the user interface may become larger, as shown in FIG. 7, at this time, although the button triggered by the user is blocked by the finger, the character D
  • the enlarged display can still be recognized by the user beyond the finger; it can also be that the corresponding character or icon on the user interface is displayed in other obvious areas, as shown in Fig. 8, at this time, the character corresponding to the reported coordinate on the virtual keyboard D is displayed outside the keyboard, thereby avoiding the occlusion of the finger; it can also be that the corresponding character or icon on the user interface becomes larger, and at the same time, the corresponding character on the user interface or other characters or icons adjacent to the icon becomes smaller, such as As shown in FIG.
  • Step 604 When the finger further contacts the touch screen and reaches a voltage threshold corresponding to the "contact" event, the touch screen controller reports the "contact" command to the CPU;
  • the "contact” command includes: a contact point coordinate value
  • the corresponding character or icon on the user interface remains highlighted.
  • Step 605 After receiving the instruction, the CPU selects the corresponding character or icon according to the coordinate value of the contact point, and triggers the corresponding predetermined program to run;
  • the predetermined program operation corresponding to the trigger means that the character is displayed in a predetermined display area, or a program corresponding to the icon is operated.
  • a non-contact touch switch can also be set to enable the digital terminal device to switch between the physical button and the virtual button. After the switch is turned on, the contact is touched using a non-contact touch technology, and after the switch is turned off, the entity is used. Press the button to enter.
  • the invention is also applicable to other input devices capable of sensing contact operation, such as an infrared touch screen.
  • the set distance is converted into a threshold value that the device can recognize, and is no longer a voltage threshold, but a light.
  • the strength in other words, which specific sensing contact operation technique is used in the specific setting, the corresponding physical quantity in the corresponding technology is set to the corresponding distance threshold.
  • the present invention further provides an input device applied to a digital terminal, the device comprising: a detecting unit and a processing unit;
  • a detecting unit configured to detect whether a distance between the operating body and the input device capable of sensing the non-contact operation is equal to a preset threshold
  • a processing unit configured to: after receiving the proximity message reported by the detecting unit, highlighting a corresponding character or icon on the user interface; and after receiving the contact message reported by the detecting unit, selecting the corresponding character or icon, triggering The corresponding scheduled program runs.
  • the detecting unit is specifically configured to: when the distance between the operating body and the input device capable of sensing the non-contact operation is equal to a preset threshold, report the proximity message to the processing unit; And reporting the contact message to the processing unit when the operating body is further in contact with the input device capable of sensing the contact operation;
  • the processing unit is specifically configured to: after receiving the proximity message reported by the detecting unit, perform highlighting processing on the corresponding character or icon on the user interface; and after receiving the contact message reported by the detecting unit, select the corresponding character Or icon, trigger the corresponding scheduled program to run.
  • the processing unit may specifically be a CPU of a digital terminal device.
  • the apparatus may further include a setting unit for setting the contactless touch switch.
  • the device may further include a non-contact type touch switch for triggering the detecting unit; the detecting unit, configured to receive the trigger information of the contactless touch switch, and when the operating body and the sensible non- When the distance of the input device of the contact operation is equal to the preset threshold, the proximity message is reported to the processing unit; and when the operator further contacts the input device of the sensible contact operation, the contact message is reported to the processing unit.
  • the detecting unit is further configured to report a leaving message to the processing unit when a distance between the operating body and the input device capable of sensing non-contact operation is greater than a preset threshold;
  • the processing unit is further configured to: after receiving the leaving message reported by the detecting unit, cancel the highlighted corresponding character or icon on the user interface.

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  • General Engineering & Computer Science (AREA)
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Description

一种应用于数字终端的输入方法及装置 技术领域
本发明涉及数字终端技术, 特别是指一种应用于数字终端的输入方法 及装置。 背景技术
在当今的数字电子行业中, 由于釆用触摸屏输入直观、 便捷, 可以做 到所见即所得、 不占用显示空间, 这些优点是传统输入设备如键盘等望尘 莫及的, 因此, 人机交互数字终端越来越普遍地使用触摸屏作为用户的输 入设备。 而且, 随着电容式触摸屏的逐渐应用, 人机交互进入了手指触控 时代。 应用电容式触摸屏, 人们无需担心携带的触摸笔的丟失, 抬起手指 即可完成操作。 并且, 由于电容式触摸屏的应用原理是依靠电容耦合实现 触控, 因此, 在一些情况下, 用户无需接触触摸屏就可完成预定操作。
目前, 釆用电容式触摸屏输入存在一些缺点。 以移动终端如手机为例, 在虚拟键盘或图标点选输入时, 键盘字符或图标的显示由于受整体显示空 间的限制, 所占面积往往较小。 当手指置于键盘字符或图标上时, 会出现 待选字符或图标因被手指遮挡而影响用户输入的准确性和速度的问题。 针 对这个问题, 现有的解决方法为: 以虚拟键盘为例, 手指触摸到触摸屏表 面时, 与手指触摸位置相对应的字符被放大显示或在键盘外显示, 只要手 指不离开触摸屏表面, 字符就不会被选中, 这样, 手指可以在键盘上滑动 进行重选, 以纠正初选的错误。 但是, 上述解决方法仍然存在以下缺陷: 第一, 只要接触就会有字符或图标被选中, 如此, 造成用户无法及时取消 选中事件; 第二, 手指与触摸屏接触后, 只有抬起手指后, 即: 手指不与 触摸屏接触后, 才触发选中事件, 与用户使用物理键盘时按下动作触发选 中事件的习惯完全不同, 这里, 按下动作等同于使用触摸屏时的接触动作, 如此, 给用户的使用带来诸多不便。
从上面的描述中可以看出, 现有的解决方法仍然存在制约触摸屏输入 的准确性和速度的缺陷。 发明内容
有鉴于此, 本发明的主要目的在于提供一种应用于数字终端的输入方 法及装置, 能提高触摸屏输入的准确性和速度。
为达到上述目的, 本发明的技术方案是这样实现的:
本发明提供了一种应用于数字终端的输入方法, 该方法包括: 操作体与可感测非接触操作的输入设备的距离等于预先设置的阔值 时, 对用户界面上的相应字符或图标进行突出显示处理;
所述操作体进一步与所述可感测接触操作的输入设备接触, 选中所述 相应字符或图标, 触发对应的预定程序运行。
上述方案中, 所述对用户界面上的相应字符或图标进行突出显示处理, 包括:
用户界面上的相应字符或图标变大; 或者,
用户界面上的相应字符或图标在其它明显区域显示; 或者,
用户界面上的相应字符或图标变大, 同时, 用户界面上的相应字符或 图标周边相邻的其它字符或图标变小。
上述方案中, 所述对用户界面上的相应字符或图标进行突出显示处理, 为:
依据预定的对应关系找出与操作体的坐标值相对应的字符或图标, 并 对相对应的字符或图标进行突出显示处理。
上述方案中, 该方法进一步包括:
当所述操作体进一步与所述可感测接触操作的输入设备靠近, 且未与 所述可感测接触操作的输入设备接触时, 用户界面上的相应字符或图标保 持突出显示状态。
上述方案中, 该方法进一步包括:
当所述操作体与所述可感测非接触操作的输入设备的距离大于预先设 置的阔值时, 对用户界面上所述突出显示的相应字符或图标取消突出显示。
上述方案中, 所述方法步骤之前进一步包括:
设置非接触式触摸开关并开启。
本发明还提供了一种应用于数字终端的输入装置, 该装置包括: 检测 单元及处理单元; 其中,
检测单元, 用于检测操作体与可感测非接触操作的输入设备的距离是 否等于预先设置的阔值;
处理单元, 用于所述操作体与所述可感测非接触操作的输入设备的距 离等于预先设置的阔值时, 对用户界面上的相应字符或图标进行突出显示 处理; 并当所述操作体进一步与所述可感测接触操作的输入设备接触时, 选中所述相应字符或图标, 触发对应的预定程序运行。
上述方案中, 所述检测单元, 具体用于: 所述操作体与所述可感测非 接触操作的输入设备的距离等于预先设置的阔值时, 向处理单元上报靠近 消息; 并在所述操作体进一步与所述可感测接触操作的输入设备接触时, 向处理单元上 ^艮接触消息;
所述处理单元, 具体用于: 收到检测单元上报的靠近消息后, 对用户 界面上的相应字符或图标进行突出显示处理; 并在收到检测单元上报的接 触消息后, 选中所述相应字符或图标, 触发对应的预定程序运行。
上述方案中, 该装置进一步包括设置单元, 用于设置非接触式触摸开 关。
上述方案中, 该装置进一步包括非接触式触摸开关, 用于触发检测单 元;
所述检测单元, 用于收到非接触式触摸开关的触发信息后, 且当所述 操作体与所述可感测非接触操作的输入设备的距离等于预先设置的阔值 时, 向处理单元上报靠近消息; 并在所述操作体进一步与所述可感测接触 操作的输入设备接触时, 向处理单元上报接触消息。
上述方案中, 所述检测单元, 还用于当所述操作体与所述可感测非接 触操作的输入设备的距离大于预先设置的阔值时, 向处理单元上报离开消 息;
所述处理单元, 还用于收到检测单元上报的离开消息后, 对用户界面 上所述突出显示的相应字符或图标取消突出显示。
本发明提供的操作体与可感测非接触操作的输入设备的距离等于预先 设置的阔值时, 对用户界面上的相应字符或图标进行突出显示处理; 所述 操作体进一步与所述可感测接触操作的输入设备接触, 选中所述相应字符 或图标, 触发对应的预定程序运行, 如此, 能提高输入的准确性和速度。
另外, 当操作体与可感测非接触操作的输入设备的距离大于预先设置 的阔值时, 对用户界面上所述突出显示的相应字符或图标取消突出显示, 如此, 能进一步提高输入的准确性, 并提升用户体验。 附图说明
图 1为本发明应用于数字终端的输入方法流程示意图;
图 2为实施例的数字终端设备结构示意图;
图 3为实施例的触摸屏的基本单元电场的结构示意图;
图 4为实施例中手指与触摸屏的基本单元接近时的电场示意图; 图 5为实施例中手指与触摸屏的基本单元接触时的电场示意图; 图 6为实施例应用于数字终端的输入方法流程示意图; 图。 具体实施方式
下面结合附图及具体实施例对本发明再作进一步详细的说明。
本发明应用于数字终端的输入方法, 如图 1所示, 包括以下步骤: 步骤 101 :操作体与可感测非接触操作的输入设备的距离等于预先设置 的阔值时, 对用户界面上的相应字符或图标进行突出显示处理;
这里, 所述操作体可以是用户手指等;
所述可感测非接触操作的输入设备可以是电容式触摸屏、 红外线触摸 屏等;
在实际应用时, 可以依据用户体验预先设置阔值, 举个例子来说, 对 于触摸屏, 可以设置距离为 2~3mm;
所述对用户界面上的相应字符或图标进行突出显示处理, 具体可以是 用户界面上的相应字符或图标变大, 或者, 可以是用户界面上的相应字符 或图标在其它明显区域显示, 或者, 还可以是用户界面上的相应字符或图 标变大, 同时, 用户界面上的相应字符或图标周边相邻的其它字符或图标 变小;
在用户界面上的相应字符或图标进行突出显示处理后, 如果用户识别 出突出显示的字符或图标不正确时, 则可以取消输入操作, 具体地, 当操 作体与可感测非接触操作的输入设备的距离大于预先设置的阔值时, 对用 户界面上所述突出显示的相应字符或图标取消突出显示。
步骤 102: 所述操作体进一步与所述可感测接触操作的输入设备接触, 选中所述相应字符或图标, 触发对应的预定程序运行;
这里, 当所述操作体进一步与所述可感测接触操作的输入设备靠近, 且未与所述可感测接触操作的输入设备接触时, 用户界面上的相应字符或 图标保持突出显示状态; 所述触发对应的预定程序运行是指触发选中字符 或图标对应的预定程序运行, 比如: 字符显示在预定显示区、 或图标所对 应的程序运行等。
下面结合实施例对本发明再作进一步详细的描述。
本实施例中的数字终端设备, 如图 2所示, 包括存储器 201、 存储器控 制器 202、 中央处理器(CPU, Central Processing Unit ) 203 , 外设接口 204、 电磁频率(RF, Radio Frequency )电路 205、 音频电路 206、 外部端口 207、 输入 /输出 (I/O, Input/Output )子系统 208、 触摸屏 209、 显示器 210、 以 及其它输入 /输出设备 211。 这些组件通过一条或多条通信总线或信号线进 行通信。 其中, 所述数字终端设备可以是任何数字终端设备, 比如手持电 脑、移动电话、媒体播放器、个人数字助理( PDA, Personal Digital Assistant ) 等, 还可以是其中两项或多项的组合。 应当理解, 本实施例中的数字终端 设备只是便携式数字终端设备的一个实例, 在实际应用时, 数字终端设备 具有的组件可以是比图 2 中示出的组件更多或少的组件, 或者, 还可以具 有与图 2中示出的组件不同的组件配置。 图 2中示出的各种组件可以用硬 件、 软件或软件与硬件的组合来实现, 包括一个或多个信号处理和专用集 成电路。
存储器 201 可以包括随机存取存储器, 并且还可以进一步包括一个或 多个磁盘存储设备、 闪存设备或其它非易失性存储器。
存储器控制器 202可以控制数字终端设备的诸如 CPU 203和外设接口 204等的其它组件对存储器 201的访问。
CPU 203 可以包含一个或多个处理单元, 运行各种存储在存储器 201 中的软件程序, 以便执行数字终端设备的各种功能, 并对数据进行处理。
外设接口 204将数字终端设备的输入和输出外设耦接到 CPU 203和存 储器 201上。
RF电路 205接收并发送电磁波, 具体地, RF电路 205将电信号转换 成电磁波, 并经由电磁波与通信网络以及其它通信设备进行通信; 同时, 将接收到的电磁波转换成电信号。
音频电路 206提供用户与数字终端设备之间的音频接口,音频电路 206 接收来自外设接口 204 的音频数据, 将音频数据变换成电信号, 并且将电 信号传送到扬声器,扬声器将电信号变换成人可听见的声波; 音频电路 206 还接收由麦克风从声波变换的电信号, 并将电信号变换成音频数据, 将音 频数据传送到外设接口 204, 以便进行处理。 的接口, 输入 /输出外设可以是触摸屏 209、 显示器 210、 以及其它输入 /输 出设备 211。 I/O子系统 208包括:触摸屏控制器 2081、显示器控制器 2082、 以及一个或多个用于其它输入 /输出设备 211的控制器 2083。
触摸屏 209和显示器 210在设备与用户之间分别提供输入接口和输出 接口。 其中, 显示器 210向用户显示可视输出, 这个输出可以包括文本、 图形、 视频、 以及文本、 图形及视频的任意组合。 触摸屏 209是一个接收 用户输入的触摸敏感表面, 与触摸屏控制器 2081—起, 检测触摸屏 209上 的接触, 并将检测到的接触变换成与显示器 210上的用户界面对象的交互。 统 212可以包括电源管理系统、 一个或多个电源如电池、 充电系统、 电源 故障检测电路、 电源转换器、 以及与便携式设备中的电能生成、 管理和分 布相关联的其它任何组件。
本实施例中的触摸屏 209和触摸屏控制器 2081支持非接触操作的触摸 技术, 这里, 所述非接触操作的触摸技术具体是电容式技术。
下面先详述电容式技术的非接触操作感测的原理。 电容是指容纳电场 的能力。 常见的平行板电容器, 其电容为 C=sS/d; 其中, ε 为极板间介质 的介电常数, S为极板面积, d为极板间的距离; 从电容的表达式中可以看 出, 当极板之间的距离减小时, 电容值会增大。 图 3 示出触摸屏的基本单 元, 如图 3所示, 触摸屏的基本单元包含非接触的发射极(Transmitter )和 接收极(Rx )。 工作状态时, 触摸屏控制器先给由发射极和接收极组成的电 容器充电, 如图 3所示, 黑线表示两极间的电场。 当有手指接近时, 如图 4 所示, 手指与发射极及接收极之间分别组成电容器, 从而产生电场; 其中, 由于发射极的板极面积较大, 所以手指与发射极之间的电场大于手指与接 收极之间的电场。
手指的接近削弱了发射极和接收极之间的电场, 即: 降低了电压值, 触摸屏控制器可以探测到电压值减小了的触摸单元, 进而由此判断出手指 触摸的位置; 随着手指和触摸屏之间距离的渐近, 削弱该触摸单元两极间 的电场就越显著, 即: 触摸单元两极间的电压值就越小。 因此, 需要将预 先设置的距离阔值转换成设备可以识别的电压阔值, 即: 设定一个触发 "接 近"事件指令对应的触摸单元两极间的电压阔值, 通过电压阔值来判断手指 与触摸屏之间的距离, 当触摸屏控制器判断出两极间的电压值达到设定的 阔值时, 将"接近"指令上报给 CPU。
在实际应用时, 根据电容计算公式可知, 设定的电压阔值所对应的手 指与触摸屏之间的距离会由于不同用户的不同手指而有所变化。
当手指继续接近而最终接触到触摸屏时, 如图 5 所示, 手指对两极间 的电场削弱的更多, 此时, 触摸屏控制器判断出两极间的电压值达到预定 的接触的电压阔值时, 将"接触"事件指令上报给 CPU。
本发明不排除有其它非接触式触摸技术, 如红外线技术等, 在这些非 接触式触摸技术应用中, 用户可以使用适当物体或配件来操作触摸屏, 而 不限于手指。 本实施例应用于数字终端的输入方法, 如图 6所示, 包括以下步骤: 步骤 601 : 数字终端设备通过任何预定方式设置在待输入状态; 这里, 所述待输入状态是指显示器上用户界面为字符输入状态或图标 点选状态。
步骤 602: 当手指不断接近触摸屏, 且达到 "接近" 事件对应的电压阔 值时, 触摸屏控制器将"接近"指令上报给 CPU;
这里, 所述"接近"指令包含: 触摸坐标值; 还可以进一步包括手势; 其 中, 所述手势为对用户界面上的相应字符或图标进行具体突出显示处理的 一串字符, 比如: 对用户界面上的相应字符或图标进行变大处理的字符。
步骤 603: CPU收到指令后, 依据预定的对应关系找出与上报的坐标 值相对应的字符或图标, 并对相对应的字符或图标进行突出显示处理; 这里, 所述对应关系可以是触摸屏与显示器完全一致的坐标对应关系, 也可以是其它对应关系, 即: 可以是能依据对应关系找到与上报的坐标值 相对应的字符或图标的其它任意对应关系;
所述对相对应的字符或图标进行突出显示处理, 可以是用户界面上的 相应字符或图标变大, 如图 7 所示, 此时, 虽然用户所触发的按键被手指 所遮挡, 但字符 D的放大显示还是能够越过手指而被用户所识别; 还可以 是用户界面上的相应字符或图标在其它明显区域显示, 如图 8所示, 此时, 虚拟键盘上和上报的坐标相对应的字符 D显示在键盘外, 从而躱避了手指 的遮挡; 还可以是用户界面上的相应字符或图标变大, 同时, 用户界面上 的相应字符或图标周边相邻的其它字符或图标变小, 如图 9所示, 此时, 虚拟键盘上和上报的坐标相对应的字符 D放大显示, 同时, 选中的字符 D 旁边的字符 C和 E会相应的缩小显示, 这样, 用户显示界面不仅实现了选 中的字符或图标的清楚显示, 同时放大的字符或图标也不会遮挡旁边字符 或图标的可视。 步骤 604: 当手指进一步与触摸屏接触, 且达到 "接触" 事件对应的电 压阔值时, 触摸屏控制器将"接触"指令上报给 CPU;
这里, 所述"接触"指令包含: 接触点坐标值;
如果手指进一步与触摸屏靠近, 且未达到 "接触" 事件对应的电压阔 值所对应的距离时, 用户界面上的相应字符或图标保持突出显示状态。
步骤 605: CPU收到指令后, 依据接触点坐标值选中相应字符或图标, 触发对应的预定程序运行;
这里, 所述触发对应的预定程序运行是指字符显示在预定显示区域、 或图标所对应的程序运行。
在实际应用时, 还可以设置一个非接触式触摸开关, 使数字终端设备 可以在实体按键和虚拟按键之间进行切换, 打开开关后, 使用非接触式触 摸技术进行输入, 关闭开关后, 使用实体按键进行输入。
本发明还适用于其它可感测接触操作的输入设备, 比如红外线触摸屏, 此时, 在设置时, 设置的距离阔值转换成设备能识别的阔值则不再是电压 阔值, 而是光的强度, 换句话说, 在具体设置时, 釆用哪种可感测接触操 作技术, 则相应的釆用哪种技术中的物理量设置对应的距离阔值。
为实现上述方法, 本发明还提供了一种应用于数字终端的输入装置, 该装置包括: 检测单元及处理单元; 其中,
检测单元, 用于检测操作体与可感测非接触操作的输入设备的距离是 否等于预先设置的阔值;
处理单元, 用于收到检测单元上报的靠近消息后, 对用户界面上的相 应字符或图标进行突出显示处理; 并在收到检测单元上报的接触消息后, 选中所述相应字符或图标, 触发对应的预定程序运行。
其中, 所述检测单元, 具体用于: 所述操作体与所述可感测非接触操 作的输入设备的距离等于预先设置的阔值时, 向处理单元上报靠近消息; 并在所述操作体进一步与所述可感测接触操作的输入设备接触时, 向处理 单元上报接触消息;
所述处理单元, 具体用于: 收到检测单元上报的靠近消息后, 对用户 界面上的相应字符或图标进行突出显示处理; 并在收到检测单元上报的接 触消息后, 选中所述相应字符或图标, 触发对应的预定程序运行。 器; 所述处理单元具体可以是数字终端设备的 CPU。
该装置还可以进一步包括设置单元, 用于设置非接触式触摸开关。 该装置还可以进一步包括非接触式触摸开关, 用于触发检测单元; 所述检测单元, 用于收到非接触式触摸开关的触发信息后, 且当所述 操作体与所述可感测非接触操作的输入设备的距离等于预先设置的阔值 时, 向处理单元上报靠近消息; 并在所述操作体进一步与所述可感测接触 操作的输入设备接触时, 向处理单元上报接触消息。
所述检测单元, 还用于当所述操作体与所述可感测非接触操作的输入 设备的距离大于预先设置的阔值时, 向处理单元上报离开消息;
所述处理单元, 还用于收到检测单元上报的离开消息后, 对用户界面 上所述突出显示的相应字符或图标取消突出显示。
这里, 本发明的所述装置中的检测单元及处理单元的具体处理过程已 在上文中详述, 不再赘述。
以上所述, 仅为本发明的较佳实施例而已, 并非用于限定本发明的保 护范围, 凡在本发明的精神和原则之内所作的任何修改、 等同替换和改进 等, 均应包含在本发明的保护范围之内。

Claims

权利要求书
1、 一种应用于数字终端的输入方法, 其特征在于, 该方法包括: 操作体与可感测非接触操作的输入设备的距离等于预先设置的阔值 时, 对用户界面上的相应字符或图标进行突出显示处理;
所述操作体进一步与所述可感测接触操作的输入设备接触, 选中所述 相应字符或图标, 触发对应的预定程序运行。
2、 根据权利要求 1所述的方法, 其特征在于, 所述对用户界面上的相 应字符或图标进行突出显示处理, 包括:
用户界面上的相应字符或图标变大; 或者,
用户界面上的相应字符或图标在其它明显区域显示; 或者,
用户界面上的相应字符或图标变大, 同时, 用户界面上的相应字符或 图标周边相邻的其它字符或图标变小。
3、 根据权利要求 1或 2所述的方法, 其特征在于, 所述对用户界面上 的相应字符或图标进行突出显示处理, 为:
依据预定的对应关系找出与操作体的坐标值相对应的字符或图标, 并 对相对应的字符或图标进行突出显示处理。
4、根据权利要求 1或 2所述的方法,其特征在于,该方法进一步包括: 当所述操作体进一步与所述可感测接触操作的输入设备靠近, 且未与 所述可感测接触操作的输入设备接触时, 用户界面上的相应字符或图标保 持突出显示状态。
5、根据权利要求 1或 2所述的方法,其特征在于,该方法进一步包括: 当所述操作体与所述可感测非接触操作的输入设备的距离大于预先设 置的阔值时, 对用户界面上所述突出显示的相应字符或图标取消突出显示。
6、 根据权利要求 1或 2所述的方法, 其特征在于, 所述方法步骤之前 进一步包括: 设置非接触式触摸开关并开启。
7、 一种应用于数字终端的输入装置, 其特征在于, 该装置包括: 检测 单元及处理单元; 其中,
检测单元, 用于检测操作体与可感测非接触操作的输入设备的距离是 否等于预先设置的阔值;
处理单元, 用于当所述操作体与所述可感测非接触操作的输入设备的 距离等于预先设置的阔值时, 对用户界面上的相应字符或图标进行突出显 示处理; 并当所述操作体进一步与所述可感测接触操作的输入设备接触时, 选中所述相应字符或图标, 触发对应的预定程序运行。
8、 根据权利要求 7所述的装置, 其特征在于,
所述检测单元, 具体用于: 所述操作体与所述可感测非接触操作的输 入设备的距离等于预先设置的阔值时, 向处理单元上报靠近消息; 并在所 述操作体进一步与所述可感测接触操作的输入设备接触时, 向处理单元上 报接触消息;
所述处理单元, 具体用于: 收到检测单元上报的靠近消息后, 对用户 界面上的相应字符或图标进行突出显示处理; 并在收到检测单元上报的接 触消息后, 选中所述相应字符或图标, 触发对应的预定程序运行。
9、 根据权利要求 7所述的装置, 其特征在于, 该装置进一步包括设置 单元, 用于设置非接触式触摸开关。
10、 根据权利要求 9所述的装置, 其特征在于, 该装置进一步包括非 接触式触摸开关, 用于触发检测单元;
所述检测单元, 用于收到非接触式触摸开关的触发信息后, 且当所述 操作体与所述可感测非接触操作的输入设备的距离等于预先设置的阔值 时, 向处理单元上报靠近消息; 并在所述操作体进一步与所述可感测接触 操作的输入设备接触时, 向处理单元上报接触消息。
11、 根据权利要求 7至 10任一项所述的装置, 其特征在于, 所述检测单元, 还用于当所述操作体与所述可感测非接触操作的输入 设备的距离大于预先设置的阔值时, 向处理单元上报离开消息;
所述处理单元, 还用于收到检测单元上报的离开消息后, 对用户界面 上所述突出显示的相应字符或图标取消突出显示。
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