WO2010058301A2 - Capteur de force piézorésistif intégré à un afficheur - Google Patents

Capteur de force piézorésistif intégré à un afficheur Download PDF

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Publication number
WO2010058301A2
WO2010058301A2 PCT/IB2009/051869 IB2009051869W WO2010058301A2 WO 2010058301 A2 WO2010058301 A2 WO 2010058301A2 IB 2009051869 W IB2009051869 W IB 2009051869W WO 2010058301 A2 WO2010058301 A2 WO 2010058301A2
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WO
WIPO (PCT)
Prior art keywords
force
display
piezoresistive
substrate
sensor
Prior art date
Application number
PCT/IB2009/051869
Other languages
English (en)
Other versions
WO2010058301A3 (fr
Inventor
Gunnar Klinghult
Mats Kleverman
Original Assignee
Sony Ericsson Mobile Communications Ab
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 Sony Ericsson Mobile Communications Ab filed Critical Sony Ericsson Mobile Communications Ab
Priority to CN200980145303XA priority Critical patent/CN102216885A/zh
Priority to JP2011543843A priority patent/JP2012509605A/ja
Priority to EP09786381A priority patent/EP2359225A2/fr
Publication of WO2010058301A2 publication Critical patent/WO2010058301A2/fr
Publication of WO2010058301A3 publication Critical patent/WO2010058301A3/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a display
    • 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
    • G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
    • G06F3/04144—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position using an array of force sensing 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
    • G06F3/03—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
    • G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
    • 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
    • G06F3/045—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
    • 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]
    • G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance

Definitions

  • a touch screen sends a signal to the device when a user touches it with, for example, a finger.
  • Many touch screens used in various devices are resistive touch screens. Resistive touch screens may be applied to different types of displays and are relatively inexpensive. However, resistive touch screens act as a simple switch, which limits an amount of control a user can exercise via a touch screen input device.
  • a device may include a substrate, an input device provided on a first portion of the substrate, and at least one piezoresistive sensor to sense a force applied to the input device, where the piezoresistive sensor is provided on a second portion of the substrate, where the second portion is different than the first portion.
  • the at least one piezoresistive sensor may include piezoresistive sensor located outside each corner of the input device, or a piezoresistive sensor located outside a middle of each edge of the input device.
  • the at least one piezoresistive sensor may include a first pair of piezoresistive sensors formed in a deformable area of the substrate, and a second pair of piezoresistive sensors formed in a substantially non-deformable area of the substrate. Additionally, the first pair of piezoresistive sensors and the second pair of piezoresistive sensors may be arranged in a Wheatstone bridge configuration.
  • the at least one piezoresistive sensor may include a sensor having a zigzag pattern. Additionally, the at least one piezoresistive sensor may include at least two different sensor arrangements, and the device may further include a processor to select one of the at least two different sensor arrangements based on a desired sensitivity or based on an application being run on the device. Additionally, the device may include a force calculating component coupled to the at least one piezoresistive sensor, to calculate the applied force based on a change in resistance in the at least one piezoresistive sensor, and a force response activating component to execute a plurality of actions, where each of the plurality of actions is executed in response to a different calculated force.
  • the force response activating component may one of control an intensity of an action based on a calculated applied force, select an action from a plurality of actions based on the calculated applied force, or select a number of objects to include in an action, based on the calculated applied force.
  • the device may include a mobile communication device.
  • the input device may include a button, a touch screen, a liquid crystal display (LCD), a keyboard, a keypad, or a scroll wheel.
  • the at least one piezoresistive sensor may include a well formed in the substrate, a first diffusion region formed at a first end of the well, where the first diffusion region has a higher doping concentration than the well, a second diffusion region formed at a second end of the well, where the second diffusion region has a higher doping concentration than the well, a first contact coupled to the first diffusion region, and a second contact coupled to the second diffusion region.
  • a device in another aspect, may include a display formed on a substrate, at least one piezoresistive sensor formed on the substrate to sense a change in resistance based on a force applied to the display, a memory to store a plurality of instructions, and a processor to execute instructions in the memory to receive the sensed change in resistance, calculate an applied force based on the sensed change in resistance, activate a force response based on the applied force, and provide an indication of the activated force response via the display.
  • the at least one piezoresistive sensor may be located outside an area of the substrate occupied by the display.
  • the at least one piezoresistive sensor may be located within an area of the substrate occupied by the display.
  • a method may include monitoring a resistance associated with one or more piezoresistive sensors to detect changes in a force applied to a display device, detecting a change in resistance associated with the one or more piezoresistive sensors, calculating a force applied to the display device, based on the detected change in resistance, activating a force response in proportion to the calculated applied force, and displaying a result of the force response via the display device. Additionally, the method may include calibrating the one or more piezoresistive sensors.
  • the method may include adjusting a sensitivity of the one or more piezoresistive sensors by one of selecting an arrangement of the one or more piezoresistive sensors, selecting a length of sensors of the one or more piezoresistive sensors, or adjusting a gain of an amplifier coupled to the one or more piezoresistive sensors.
  • activating a force response may include one or more of changing a brightness of the display device, changing a speed of scrolling, changing a speed of zooming, changing a volume of a speaker, selecting contents displayed on the display device, activating a single click of a pointing device, or activating a double click of the pointing device.
  • activating a force response may include activating an action from a plurality of actions, the action being selected based on the calculated applied force.
  • activating a force response may include controlling an intensity of an action based on the calculated applied force.
  • Fig. 1 is a diagram of an exemplary mobile communication device in which systems and/or methods described herein may be implemented;
  • Fig. 2 is a diagram illustrating exemplary components of the mobile communication device of
  • Fig. 3 A illustrates a first exemplary sensor arrangement for a display of the mobile communication device depicted in Fig. 1 ;
  • Fig. 3B illustrates a second exemplary sensor arrangement for the display of the mobile communication device depicted in Fig. 1 ;
  • Fig. 4A illustrates an exemplary sensor arrangement for the display of the mobile communication device depicted in Fig. 1;
  • Fig. 4B illustrates a circuit schematic for the sensor arrangement of Fig. 4A
  • Fig. 5 illustrates a first exemplary position of a piezoresistive sensor within the display of the mobile communication device depicted in Fig. 1;
  • Fig. 6 illustrates a second exemplary position of a piezoresistive sensor within the display of the mobile communication device depicted in Fig. 1;
  • Fig. 7 illustrates a first exemplary sensor capable of use with the mobile communication device depicted in Fig. 1 ;
  • Fig. 8 illustrates a second exemplary sensor capable of use with the mobile communication device depicted in Fig. 1;
  • Fig. 9 is a flow diagram illustrating a process for providing sensors in a display according to an exemplary implementation
  • Fig. 10 is a flow diagram illustrating a process for detecting force with sensors provided in a display according to an exemplary implementation.
  • Exemplary implementations described herein may be described in the context of a mobile communication device (or mobile terminal).
  • a mobile communication device is an example of a device that can employ an input device (e.g., a piezoresistive force sensor) described herein, and should not be construed as limiting of the types or sizes of devices or applications that can include the input device described herein.
  • the input devices described herein may be used with a desktop device
  • a personal computer or workstation e.g., a personal computer or workstation
  • a laptop computer e.g., a personal digital assistant (PDA)
  • PDA personal digital assistant
  • media playing device e.g., an MPEG audio layer 3 (MP3) player, a digital video disc (DVD) player, a video game playing device
  • PDA personal digital assistant
  • MP3 MPEG audio layer 3
  • DVD digital video disc
  • household appliance e.g., a microwave oven and/or appliance remote control
  • an automobile radio faceplate e.g., a television, a computer screen, a point-of-sale terminal, an automated teller machine, an industrial device (e.g., test equipment, control equipment), or any other device that may utilize an input device.
  • MP3 MPEG audio layer 3
  • DVD digital video disc
  • household appliance e.g., a microwave oven and/or appliance remote control
  • an automobile radio faceplate e.g., a television, a computer screen, a point
  • Touch sensor displays or touch screens may react to a capacitance introduced by a user's finger.
  • a capacitive touch sensor display (or panel) may include a first layer provided in the x-direction and a second layer provided in the y-direction. Together, the two layers may provide "x" and "y" coordinates associated with a user's finger on the touch sensor display when the user touches the display.
  • a force sensor may be provided in a display device (e.g., a touch screen) and may include a structure similar to a strain gauge that uses a piezoresistive effect provided in an unused silicon layer provided along edges and corners of the display. This unused silicon may be etched away during a manufacturing process. The silicon may be deposited on a glass substrate, and the glass substrate may act as a membrane. The force from a user's finger may cause a strain in this membrane, and this strain may be measured by the piezoresistive sensors. Therefore, the force from the user's finger may be measured.
  • a piezoresistive sensor may measure changes in electrical resistance as a result of strain from an applied mechanical force.
  • the piezoresistive response of silicon may be particularly large compared to other materials.
  • the piezoresistive response of silicon may be about one-hundred times the piezoresistive response of typical metals. This change in resistance may not be based on geometric factors and thus may not depend on changes in length and area.
  • the piezoresistive effect in silicon may be understood by noting that electrons in the silicon's conduction band may be equally shared between six equivalent minima. When subjected to stress, however, some minima may increase in energy and some minima may decrease in energy, which may lead to lower and higher electron populations, respectively. As a result of this population difference, the average effective mass may be altered, which in turn may be reflected as a change in resistivity.
  • Systems and/or methods described herein utilize this property of silicon, together with the unused areas of a silicon substrate provided in a display, to form piezoresistive sensors that may sense the force applied by a user's finger to the display.
  • the additional cost of implementing piezoresistive sensors within unused silicon of a display may be very small, since the silicon already exists and no extra space may be needed.
  • Fig. 1 is a diagram of an exemplary mobile communication device 100 in which systems and/or methods described herein may be implemented.
  • mobile communication device 100 may include a cellular radiotelephone with or without a multi-line display; a personal communications system (PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; a PDA that may include a radiotelephone, pager, Internet/Intranet access, Web browser, organizer, calendar and/or a global positioning system (GPS) receiver; a laptop and/or palmtop receiver; or other appliances that include a radiotelephone transceiver.
  • Mobile communication device 100 may also include media playing capability.
  • mobile communication device 100 may include a housing 110, a speaker 120, a microphone 130, a display 140, control buttons or keys 150, and a keypad 160.
  • Housing 110 may protect the components of mobile communication device 100 from outside elements.
  • Housing 110 may include a structure configured to hold devices and components used in mobile communication device 100, and may be formed from a variety of materials.
  • housing 110 may be formed from plastic, metal, or a composite, and may be configured to support speaker 120, microphone 130, and/or display 140.
  • Speaker 120 may provide audible information to a user of mobile communication device 100. Speaker 120 may be located in an upper portion of mobile communication device 100, and may function as an ear piece when a user is engaged in a communication session using mobile communication device 100. Speaker 120 may also function as an output device for music and/or audio information associated with games, voicemails, and/or video images played on mobile communication device 100.
  • Microphone 130 may receive audible information from the user.
  • Microphone 130 may include a device that converts speech or other acoustic signals into electrical signals for use by mobile communication device 100.
  • Microphone 130 may be located proximate to a lower side of mobile communication device 100.
  • Display 140 may provide visual information to the user.
  • Display 140 may be a color display, such as a red, green, blue (RGB) display, a monochrome display or another type of display.
  • display 140 may include a touch sensor display or a touch screen that may be configured to receive a user input when the user touches display 140.
  • the user may provide an input to display 140 directly, such as via the user's finger, or via other input objects, such as a stylus.
  • User inputs received via display 140 may be processed by components and/or devices operating in mobile communication device 100.
  • the touch screen display may permit the user to interact with mobile communication device 100 in order to cause mobile communication device 100 to perform one or more operations.
  • display 140 may include a liquid crystal display (LCD) display.
  • Display 140 may include a driver chip (not shown) to drive the operation of display 140.
  • LCD liquid crystal display
  • Control buttons 150 may permit the user to interact with mobile communication device 100 to cause mobile communication device 100 to perform one or more operations, such as place a telephone call, play various media, etc.
  • control buttons 150 may include a dial button, a hang up button, a play button, etc.
  • Keypad 160 may include a telephone keypad used to input information into mobile communication device 100.
  • control buttons 150 and/or keypad 160 may be part of display 140.
  • Display 140, control buttons 150, and keypad 160 may be part of an optical touch screen display.
  • different control buttons and keypad elements may be provided based on the particular mode in which mobile communication device 100 is operating. For example, when operating in a cell phone mode, a telephone keypad and control buttons associated with dialing, hanging up, etc., may be displayed by display 140.
  • control buttons 150 and/or keypad 160 may not be part of display 140 (i.e., may not be part of an optical touch screen display).
  • Fig. 2 is a diagram illustrating exemplary components of mobile communication device 100.
  • mobile communication device 100 may include a bus 210, processing logic 220, memory 230, an input device 240, an output device 250, a power supply 260 and a communication interface 270.
  • Mobile communication device 100 may be configured in a number of other ways and may include other or different elements.
  • mobile communication device 100 may include one or more modulators, demodulators, encoders, decoders, etc., for processing data.
  • Bus 210 may permit communication among the components of mobile communication device 100.
  • Processing logic 220 may include one or more processors, microprocessors, application specific integrated circuits (ASICs), field programmable gate arrays (FPGAs) or the like. Processing logic 220 may execute software instructions/programs or data structures to control operation of mobile communication device 100. In an exemplary implementation, processing logic 220 may include logic to control display 140. For example, processing logic 220 may determine whether a user has provided input to a touch screen portion of display 140, as described herein.
  • Memory 230 may include a random access memory (RAM) or another type of dynamic storage device that may store information and/or instructions for execution by processing logic 220; a read only memory (ROM) or another type of static storage device that may store static information and/or instructions for use by processing logic 220; a flash memory (e.g., an electrically erasable programmable read only memory (EEPROM)) device for storing information and/or instructions; and/or some other type of magnetic or optical recording medium and its corresponding drive.
  • RAM random access memory
  • ROM read only memory
  • EEPROM electrically erasable programmable read only memory
  • Memory 230 may also be used to store temporary variables or other intermediate information during execution of instructions by processing logic 220. Instructions used by processing logic 220 may also, or alternatively, be stored in another type of computer-readable medium accessible by processing logic 220.
  • a computer-readable medium may be defined as a physical or logical memory device.
  • a logical memory device may include memory space within a single physical memory device or spread across
  • Input device 240 may include mechanisms that permit a user to input information to mobile communication device 100, such as microphone 130, touch screen display 140, control buttons 150, keypad 160, a keyboard, a mouse, a pen, voice recognition and/or biometric mechanisms, etc.
  • mobile communication device 100 such as microphone 130, touch screen display 140, control buttons 150, keypad 160, a keyboard, a mouse, a pen, voice recognition and/or biometric mechanisms, etc.
  • all or a portion of display 140 may function as a touch screen input device for inputting information to mobile communication device 100.
  • Output device 250 may include one or more mechanisms that output information from mobile communication device 100, including a display, such as display 140, one or more speakers, such as speaker 120, etc.
  • Power supply 260 may include one or more batteries or other power source components used to supply power to components of mobile communication device 100. Power supply 260 may also include control logic to control application of power from power supply 260 to one or more components of mobile communication device 100.
  • Communication interface 270 may include any transceiver-like mechanism that enables mobile communication device 100 to communicate with other devices and/or systems.
  • communication interface 270 may include a modem or an Ethernet interface to a LAN.
  • Communication interface 270 may also include mechanisms for communicating via a network, such as a wireless network.
  • communication interface 270 may include one or more radio frequency (RF) transmitters, receivers and/or transceivers.
  • Communication interface 270 may also include one or more antennas for transmitting and receiving RF data.
  • RF radio frequency
  • Mobile communication device 100 may provide a platform for a user to make and receive telephone calls, send and receive electronic mail or text messages, play various media, such as music files, video files, multi-media files, or games, and execute various other applications. Mobile communication device 100 may also perform processing associated with display 140 when display 140 operates as a touch screen input device. Mobile communication device 100 may perform these operations in response to processing logic 220 executing sequences of instructions contained in a computer-readable storage medium, such as memory 230. Such instructions may be read into memory 230 from another computer-readable medium or another device via, for example, communication interface 270. In alternative embodiments, hard-wired circuitry may be used in place of or in combination with software instructions to implement processes described herein. Thus, implementations described herein are not limited to any specific combination of hardware circuitry and software.
  • input device 240 may include one or more sensors, such as an array of sensors.
  • display 140 may include an array of sensors covering part of, or an entire area of, display 140. While the description that follows describes input device 240 as part of display 140, in other implementations, input device 240 may be separate from display 140.
  • Input device 240 may include a button, a touch screen, a liquid crystal display (LCD), a keyboard, a keypad, or a scroll wheel.
  • Fig. 3A illustrates a first exemplary sensor arrangement for display 140 of mobile communication device 100. As shown in Fig.
  • display 140 may be a liquid crystal display (LCD) that includes a substrate 310 and a pixel array 320 formed on substrate 310.
  • Substrate 310 may include a glass substrate with a layer of silicon, such as a silicon-on- insulator (SOI) substrate, a polymer substrate with a top layer of conductive polymer, etc.
  • Pixel array 320 may include, for example, black and white pixels, or color pixels. In the case of color pixels, each pixel may include one or more sub-pixels, such as, for example, a red sub-pixel, a green sub-pixel, and a blue sub-pixel.
  • the sub-pixels may be arranged in any pattern, such as, for example, a triangular arrangement, a stripes arrangement, or a diagonal arrangement.
  • substrate 310 may include piezoresistive sensors 330 formed on its periphery (e.g., in areas of unused silicon). Wires (not shown) may be routed to rows and columns of pixel array 320 and may be located above the silicon layer. Wires provided to sensors 330 may be located in a metal or indium tin oxide (ITO) layer along the edges of display 140, together with the wires routed to the pixels.
  • Fig. 3A depicts an arrangement of four sensors 330, however, any number of sensors 330 may be used. Sensors 330 may be arranged on the sides of pixel array 310, and two of sensors 330 may sense deformations of substrate 310 in an X direction, and the other two of sensors 330 may sense deformations of substrate 310 in a Y direction.
  • ITO indium tin oxide
  • Fig. 3B illustrates another exemplary sensor arrangement on substrate 310.
  • one sensor 330 may be located in each corner of the display.
  • the arrangement depicted in Fig. 3B may be used with a process (e.g., executed by processing logic 220), that calculates the X and Y position of a user's finger based on a force measured by sensors 330.
  • the force measurement may be a single channel measurement when the X and Y coordinates are provided by, for example, a capacitive sensor included in display 140.
  • Factors that may influence the arrangement of piezoresistive sensors 330 on substrate 310 may include the presence of other components in display 140, the sensitivity of sensors 330, whether or not calibration of sensors 330 is required, and particular applications for which sensors 330 may be used.
  • Temperature drift refers to a change in the piezoresistive response with a change in temperature. For monocrystalline silicon, this change in the piezoresistive response may be up to one percent per degree Kelvin.
  • One way of compensating for temperature drift may be through processing logic 220. For example, a dedicated signal processor integrated circuit chip may be used for temperature drift compensations. In another implementation, processes for temperature drift compensations may be implemented at an application level of mobile communication device 100. In yet another implementation, temperature drift may be compensated for with a particular arrangement of sensors 330.
  • Fig. 4A depicts an exemplary sensor arrangement that may be used to minimize or eliminate temperature drift.
  • a portion of substrate 310 may be mechanically isolated from the rest of substrate 310 to form strain-free area 350.
  • Strain-free area 350 may be formed by physically separating strain-free area 350 from the rest of substrate 310, and may be formed by mounting a portion of substrate 310 to a stiff background. Strain-free area 350 may be mounted to the stiff background over its entire area or at a ridge separating it from the rest of substrate 310.
  • two of sensors 330 may be located on a main area of substrate 310 that may be subjected to strain deformations when a force is applied to display 140.
  • the other two sensors 330 e.g., sensors C and D
  • Fig. 4B depicts a circuit schematic 400 of the sensor arrangement of Fig. 4A.
  • sensors 330 may be arranged in a Wheatstone bridge 410 connected to a power source 420 and an amplifier 430.
  • Sensors A and B may be affected by strain and sensors C and D may not be affected by strain.
  • the signal from Wheatstone bridge 410 may be amplified through amplifier 430.
  • An analog amplifier may be integrated into the unused silicon area of display 140. After the signal has been amplified, the analog signal may be converted to a digital signal.
  • Fig. 5 illustrates a first exemplary position of a piezoresistive sensor 501 within an LCD display
  • LCD display 500 may include multiple piezoresistive sensors arranged around the periphery.
  • LCD display 500 may include a top polarizing filter 510 for polarizing the light exiting LCD display 500, and a black matrix filter 515 for blocking light that does not exit through a color filter 520.
  • LCD display 500 may further include a top indium tin oxide (ITO) electrode 525 and a liquid crystal layer 530.
  • ITO indium tin oxide
  • Liquid crystal layer 530 may react to a voltage applied between top electrode 525 and a bottom electrode 546.
  • Bottom electrode 546 may be formed in a silicon layer 540.
  • Silicon layer 540 may include thin film transistor (TFT) transistor 542 and a storage capacitor 544 for driving a pixel.
  • TFT thin film transistor
  • a bottom polarizing filter 550 may be formed below silicon layer 540.
  • Light 560 may be applied from the bottom of LCD display 500 by a backlight (not shown).
  • a backlight not shown.
  • no voltage bias is applied between bottom electrode 546 and top electrode 525, light may be polarized by bottom polarizing filter 550 and rotated by birefringent liquid crystal layer 530, allowing it to pass through top polarizing filter 510.
  • a voltage bias is applied between bottom electrode 546 and top electrode 525, the light passing through liquid crystal material 530 may not be rotated and may be blocked by top polarizing filter 510.
  • a row or column of pixels may be at the edge of LCD display 500 (e.g. pixel array 320), and may include a seal 570.
  • Fig. 5 illustrates an LCD pixel at the edge of pixel area 320.
  • Sensor 501 may be formed in silicon layer 540 outside seal 570, and in a portion of silicon layer 540 not used by LCD display 500. In another exemplary implementation, sensor 501 may be formed in an area enclosed by seal 570.
  • sensor 501 may be coupled to a force calculating component 580.
  • Force calculating component 580 may be configured to calculate the amount of force applied to LCD display 500 (or pixel array 320), by receiving a measurement of a change in resistance detected by piezoresistive sensor 501.
  • Force calculating component 580 may be coupled to an array of piezoresistive sensors and configured to determine the change in resistance detected by each particular sensor in the array. Based on the change in resistance detected by each particular sensor and based on the arrangement of the sensors, force calculating component 580 may determine the location of the applied force on LCD display 500 (or pixel array 320). For example, force calculating component 580 may determine the X and Y coordinates of the applied force in pixel array 320.
  • Force calculating component 580 may be configured to adjust the sensitivity of one or more piezoresistive sensors to which it is coupled. The sensitivity of the piezoresistive sensors may be adjusted by adjusting the gain of an amplifier coupled to the piezoresistive sensors. Force calculating component 580 may include an amplifier, or an amplifier may be provided separate from force calculating component 580. Additionally, mobile communication device 100 may include multiple sensor arrangements. For example, mobile communication device may include one or more of the sensor arrangements depicted in Figs. 3 A, 3B, and 4A. Force calculating component 580 may be configured to select one of a plurality of sensor arrangements that are present in mobile communication device 100.
  • the sensor arrangement may be selected based on the requirements of an application of mobile communication device 100 or based on a desired sensitivity.
  • mobile communication device 100 may include individual piezoresistive sensors having different sensitivities.
  • individual piezoresistive sensors may have different lengths, where a particular length of a piezoresistive sensor may impart a different sensitivity.
  • Force calculating component 580 may select a particular piezoresistive sensor based on a desired sensitivity.
  • Force calculating component 580 may be implemented, for example, within processing logic 220, or as a processor, microprocessor, an application specific integrated circuit (ASIC), field programmable gate array (FPGA), or the like, within input device 240.
  • force calculating component 580 may be coupled to force response activating component 590.
  • Force response activating component 590 may be configured to activate a force response based on the applied force that is calculated by force calculating component 580.
  • force response activating component 590 in response to detecting a change in resistance in piezoresistive sensor 501 may be predetermined during manufacture, set by a user, or may depend on an application being executed by mobile communication device 100.
  • Force response activating component 590 may be configured to activate the execution of a plurality of actions, where each of the plurality of actions is executed in response to a different range of change in resistance detected at piezoresistive sensor 501.
  • Force response activating component 590 may be configured to control an intensity of an action or a number of objects to include in an action based on the change in resistance detected.
  • Force response activating component 590 may be implemented, for example, within processing logic 220, or as a processor, microprocessor, an application specific integrated circuit (ASIC), field programmable gate array (FPGA), or the like, within input device 240.
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • Force response activating component 590 may activate a force response that may include one or more of changing the brightness of display device 140, changing the speed of scrolling, changing a speed of zooming, changing the volume of speaker 120, selecting contents being displayed on display device 140, activating a single click of a pointing device (such as a stylus, a tracking device, or a mouse), or activating a double click of a pointing device.
  • a force response may include one or more of changing the brightness of display device 140, changing the speed of scrolling, changing a speed of zooming, changing the volume of speaker 120, selecting contents being displayed on display device 140, activating a single click of a pointing device (such as a stylus, a tracking device, or a mouse), or activating a double click of a pointing device.
  • Fig. 6 illustrates a single LCD pixel 600 and another exemplary position of a piezoresistive sensor within an LCD display.
  • single pixel 600 may include a top polarizing filter 610, a red color filter 621, a green color filter 622, and a blue color filter 623.
  • Single pixel 600 may further include a liquid crystal material 630, a silicon layer 640, a bottom polarizing filter 650, and a backlight 660.
  • Piezoresistive sensor 501 may be formed within silicon layer 640. Therefore, in this particular implementation, piezoresistive sensor 501 may be formed in the area encompassed by pixel array 320 of display 140.
  • Piezoresistive sensor 501 may be formed in an area of pixel 600 where the transmission of light through pixel 600 is not obstructed.
  • sensor 501 may be formed in an area encompassed by black matrix filter 515 (shown in Fig. 5).
  • sensor 501 may be include a substrate 710, such as a silicon substrate, and may be formed as a diffused resistor. Sensor 501 may be formed by forming a well in substrate 710, of the opposite semiconductor type.
  • sensor 501 may include an "n" type well 720 formed within a "p" type substrate (e.g., substrate 710). If substrate 710 is an "n" type substrate, well 720 may be a "p" type well.
  • diffusion region 730 may be formed within well 720 with a higher doping concentration. Diffusion region contacts 730 may be formed within "n" type well 720 as "n+" type ohmic contacts connecting the resistor to metal lines 740.
  • Well 720 and diffusion region contacts 730 may be formed through diffusion or through ion implantation.
  • the structure of the silicon well may be formed to increase the strain sensitivity of sensor 501.
  • Fig. 8 shows a zig-zagging foil patterned well 720 that connects to ohmic contacts 730.
  • Well 720 may include any pattern, and may include a pattern that increases the length of well 720.
  • the sensitivity of sensor 501 may be very high, such as a resolution often (10) Pascals, while using a very small area.
  • substrate 710 may include a polymer substrate and sensor 501 may be a polymeric piezoresistive sensor, or a composite piezoresistive sensor.
  • Fig. 9 is a flow diagram illustrating a process for providing sensors in a display according to an exemplary implementation.
  • Fig. 9 also depicts a process that may be used for manufacturing and calibrating display device 140.
  • the process may begin by an individual sensor structure being selected (block 910), such as the sensor structure depicted in Fig. 8.
  • An arrangement of sensors may be selected (block 920), such as the arrangement depicted in Fig. 3A, or the arrangement depicted in Fig. 3B.
  • an arrangement of sensors may be selected during use of mobile communication device 100.
  • multiple arrangements of sensors may be provided on display device 140, and a particular arrangement may be selected based on an application being run by mobile communication device 100.
  • different applications may require different sensitivities of force detection, and different arrangements of piezoresistive sensors may provide different sensitivities of force detection.
  • Sensors may be formed in a border area of a display device (block 930). In another implementation, sensors may be formed within a pixel array area of the display device. The sensors may be calibrated (block 940). In one implementation, calibration may not be needed, and only a relative measurement of the force may be needed. In such an implementation, when a user first touches a display, a first force measurement may be taken. The next measurement may then be related to the first measurement, and may identify whether there was an increase or decrease in force.
  • the force measurements may be calibrated based on using an existing capacitive touch sensor, which may be present in display 140.
  • an existing capacitive touch sensor which may be present in display 140.
  • different parts of display 140 may experience different amounts of strain. For example, if a user presses a part of display 140 near the edge of display 140 and near one of sensors 330, the strain will be higher than if the user presses a part of display 140 away from one of sensors 330.
  • a capacitive touch sensor may be used to calculate the X and Y position of the applied force.
  • a calibration matrix based on X and Y positions may exist to calibrate the force measurement based on the particular X and Y position.
  • Calibration information for the display may be stored in a driver chip of display 140 (block 950). In another implementation, calibration information may be included within force calculating component 580. An independent calibration may be performed for each individual display. In another implementation, calibration may be performed during use, rather than, or in addition to, during manufacture.
  • a user may be prompted to calibrate display 140 by being prompted to touch display 140 at various locations and with various degrees of applied force, and an indication of the location and amount of applied force may be displayed on display 140.
  • the user may then be asked to confirm the indication.
  • a series of bars may be displayed on display 140, and the user may be asked to press lightly.
  • a single bar might light up.
  • the user may then be asked to press with a medium pressure, and a second bar might light up.
  • the user may then be asked to press with a heavy pressure, and a third bar might light up.
  • the user then may be asked to confirm that this is the amount of pressure the user would like to use to correspond to a light, medium, and a heavy pressure.
  • the light, medium, and heavy pressures might be assigned to correspond, by force calculating component 580, to three different measurable forces, which may correspond to three different actions activated by force response activating component 590.
  • the light pressure might be assigned to scrolling
  • a medium pressure might be assigned to selecting text
  • a heavy pressure might be assigned to activating text (such as a selecting a displayed hyperlink or calling a displayed phone number).
  • Fig. 10 is a flow diagram illustrating a process for detecting force with sensors provided in a display according to an exemplary implementation.
  • the process may begin with monitoring a change in capacitance of an input device (block 1010).
  • display device 140 may include capacitive sensing, and a change in capacitance may indicate a user's finger on display device 140. If no change in capacitance is detected (block 1020 - NO), an input may not be detected (block 1030). If a change in capacitance is detected (block 1020 - YES), a first force measurement may be obtained (block 1040). The first force measurement may be obtained by measuring a change in resistance of a piezoresistive sensor, such as piezoresistive sensor 501.
  • the X and Y location of the first force measurement may be provided using the capacitive touch sensor, and automatic calibration may be performed based on the provided X and Y location of the first force measurement.
  • the process may begin with a first force measurement (block 1040).
  • a first force response may be activated in response to the first force measurement (block 1050) and an indication of the first force response may be displayed (block 1055).
  • the contents displayed by display device 140 may be scrolled at a first speed.
  • a change in resistance e.g. of sensor 501
  • the first force response may be maintained (block 1070).
  • the scrolling speed of the contents being displayed by display device 140 may be maintained.
  • a second force response may be activated (block 1080) and an indication of the second force response may be displayed (block 1085).
  • the second force response may be activated in proportion to the change in resistance. For example, if a large change in resistance was measured, corresponding to a relatively large force being applied, the second force response may be higher in intensity. For example, if a larger force is applied to display device 140, a corresponding larger change in resistance may be detected, and the speed of scrolling of the contents being displayed by display device 140 may increase.
  • a result of the force response may be displayed on display 140, either directly or indirectly (blocks 1055 and 1085). For example, if the force response is configured to change the brightness of display device 140 or select contents being displayed on display 140, the result of the force response may be directly visible. If the force response is configured for a result that may not be directly visible, an indication of the result of the force response may be provided on display 140. For example, if the force response is configured to change the volume of speaker 120, an icon representing the volume may be displayed on display 140, indicating the volume has been changed.
  • the force response may be configured to control an intensity of an action or the number of objects to include in the action based on the amount in the change of resistance and therefore based on the amount of force detected.
  • the force response may be configured to indicate the degree or intensity of an input action by the user along a continuous spectrum.
  • the amount of force a user applies with a finger may control the brightness of the touch screen, speed of scrolling through the contents being displayed on the touch screen, the speed of zooming through the contents displayed on the touch screen, how many pages of a virtual book to turn, the speed of an element in a game, or the volume of speaker 130.
  • the force response may be configured to control the speed of scrolling through the contents being displayed, the user may slide a finger across a portion of the display device while applying pressure to indicate the direction of scrolling, where the pressure being applied may determine how fast the displayed contents are scrolled.
  • only two states may be used, a light touch and a heavy touch.
  • a light touch may be used to highlight an icon being displayed, and a heavy touch may be used to execute the function of the icon.
  • the force response may be configured with a discrete set of responses based on the applied force. For example, if input device 240 is a keyboard or a set of keys, or if an image of a keyboard is displayed on display 140, different amounts of force may be configured to cause the pressed key to have different functions.
  • a light touch might cause the keys to function as lower case letters, a medium touch as capital letters, and a heavy touch as control key characters.
  • input device 240 may not be a full keyboard, and each key may be used for multiple letters.
  • a light touch might cause a key to input one letter
  • a medium touch might cause a key to input a second letter
  • a heavy touch might cause a key to input a third letter.
  • a capacitive touch sensor may be used along with piezoresistive strain sensors to obtain different functions.
  • a light touch activating the capacitive response may select a link displayed on the touch screen, while a force response based on a piezoresistive sensor measurement may select text displayed on the touch screen.
  • a light touch activating a capacitive response may be used to scroll through the contents being displayed, while a touch activating a force response may act to select some of the contents.
  • Implementations described here may provide an input device capable of detecting a user's touch through a change in resistance and detecting the amount of force a user is applying to the input device by detecting a change in resistance as a result of a piezoresistive response in a sensing layer of the input device.
  • the piezoresistive sensors of the input device may be, for example, arranged in the periphery, or border area, of a display device in unused areas of the display device.
  • the change in resistance from the piezoresistive response may be used to activate a force response, so as to control an intensity of an action or the number of objects to include in the action based on the amount in the change of voltage and therefore based on the amount of force detected.
  • aspects have been mainly described in the context of a mobile communication device.
  • the device and methods described herein may be used with any type of device that includes an input device. It should also be understood that particular materials discussed above are exemplary only and other materials may be used in alternative implementations to generate the desired information.
  • logic may include hardware, such as a processor, microprocessor, an application specific integrated circuit or a field programmable gate array, or a combination of hardware and software.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • User Interface Of Digital Computer (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Telephone Function (AREA)
  • Pressure Sensors (AREA)

Abstract

L'invention concerne un dispositif pouvant comprendre un substrat comprenant un dispositif d’entrée sur un substrat et au moins un capteur piézorésistif formé sur le substrat à l’extérieur de la zone du dispositif d’entrée. Un dispositif selon l’invention peut comprendre un afficheur formé sur un substrat, au moins un capteur piézorésistif formé sur le substrat et un processeur servant à calculer une force appliquée et à activer une réaction à la force basée sur la force appliquée calculée. Un procédé selon l’invention peut comprendre les étapes consistant à surveiller une résistance associée au(x) capteur(s) piézorésistif(s) pour détecter les variations d’une force appliquée à un dispositif d’affichage, à détecter une variation d’une résistance associée au(x) capteur(s) piézorésistif(s), à calculer une force appliquée au dispositif d’affichage sur la base de la variation détectée de la résistance, à activer une réaction à la force en proportion de la variation détectée de la résistance et à afficher un résultat de la réaction à la force via le dispositif d’affichage.
PCT/IB2009/051869 2008-11-19 2009-05-06 Capteur de force piézorésistif intégré à un afficheur WO2010058301A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN200980145303XA CN102216885A (zh) 2008-11-19 2009-05-06 集成在显示器中的压阻力传感器
JP2011543843A JP2012509605A (ja) 2008-11-19 2009-05-06 ディスプレイにおいて集積されるピエゾ抵抗センサ
EP09786381A EP2359225A2 (fr) 2008-11-19 2009-05-06 Capteur de force piézorésistif intégré à un afficheur

Applications Claiming Priority (4)

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US11611808P 2008-11-19 2008-11-19
US61/116,118 2008-11-19
US12/356,858 2009-01-21
US12/356,858 US20100123686A1 (en) 2008-11-19 2009-01-21 Piezoresistive force sensor integrated in a display

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WO2010058301A2 true WO2010058301A2 (fr) 2010-05-27
WO2010058301A3 WO2010058301A3 (fr) 2010-09-16

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EP (1) EP2359225A2 (fr)
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012068976A (ja) * 2010-09-24 2012-04-05 Kyocera Corp 電子情報機器
US8890825B2 (en) 2012-02-20 2014-11-18 Nokia Corporation Apparatus and method for determining the position of user input
US9246486B2 (en) 2011-12-16 2016-01-26 Apple Inc. Electronic device with noise-cancelling force sensor
JP2016505978A (ja) * 2012-12-29 2016-02-25 アップル インコーポレイテッド コンテンツをスクロールするか選択するかを判定するためのデバイス、方法、及びグラフィカルユーザインタフェース
US10001808B1 (en) 2017-03-29 2018-06-19 Google Llc Mobile device accessory equipped to communicate with mobile device
US10013081B1 (en) 2017-04-04 2018-07-03 Google Llc Electronic circuit and method to account for strain gauge variation
US10095342B2 (en) 2016-11-14 2018-10-09 Google Llc Apparatus for sensing user input
US10514797B2 (en) 2017-04-18 2019-12-24 Google Llc Force-sensitive user input interface for an electronic device
US10635255B2 (en) 2017-04-18 2020-04-28 Google Llc Electronic device response to force-sensitive interface
DE102016212516B4 (de) 2015-12-24 2022-07-28 Shanghai Tianma Micro-electronics Co., Ltd. Berührungsbildschirm

Families Citing this family (225)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9772667B2 (en) 2007-06-13 2017-09-26 Apple Inc. Integrated multi-touch surface having varying sensor granularity
WO2010036050A2 (fr) * 2008-09-26 2010-04-01 Lg Electronics Inc. Terminal mobile et son procédé de commande
US8305358B2 (en) * 2009-02-10 2012-11-06 Sony Ericsson Mobile Communications Ab Sensor, display including a sensor, and method for using a sensor
WO2010122824A1 (fr) * 2009-04-22 2010-10-28 三菱電機株式会社 Appareil d'entrée de position
WO2011047171A2 (fr) * 2009-10-16 2011-04-21 Kesumo, Llc Pédale de contrôle
EP2357220A1 (fr) * 2010-02-10 2011-08-17 The Procter & Gamble Company Compositions de nettoyage comprenant des variantes de l'amylase de grande stabilité en présence d'un agent chélateur
US9007190B2 (en) 2010-03-31 2015-04-14 Tk Holdings Inc. Steering wheel sensors
DE102011006344B4 (de) 2010-03-31 2020-03-12 Joyson Safety Systems Acquisition Llc Insassenmesssystem
TWI544458B (zh) * 2010-04-02 2016-08-01 元太科技工業股份有限公司 顯示面板
JP5759230B2 (ja) 2010-04-02 2015-08-05 ティーケー ホールディングス，インコーポレーテッド 手センサを有するステアリング・ホイール
US20110291980A1 (en) * 2010-05-25 2011-12-01 Au Optronics Corp. Touch panel, touch-detecting method thereof and display apparatus with touch function
US9760241B1 (en) * 2010-11-05 2017-09-12 Amazon Technologies, Inc. Tactile interaction with content
US9201185B2 (en) 2011-02-04 2015-12-01 Microsoft Technology Licensing, Llc Directional backlighting for display panels
US9639213B2 (en) 2011-04-26 2017-05-02 Sentons Inc. Using multiple signals to detect touch input
US9189109B2 (en) 2012-07-18 2015-11-17 Sentons Inc. Detection of type of object used to provide a touch contact input
US11327599B2 (en) 2011-04-26 2022-05-10 Sentons Inc. Identifying a contact type
US10198097B2 (en) 2011-04-26 2019-02-05 Sentons Inc. Detecting touch input force
US9692411B2 (en) 2011-05-13 2017-06-27 Flow Control LLC Integrated level sensing printed circuit board
US8780074B2 (en) * 2011-07-06 2014-07-15 Sharp Kabushiki Kaisha Dual-function transducer for a touch panel
US9285976B2 (en) 2011-07-22 2016-03-15 Kddi Corporation User interface device capable of image scrolling not accompanying finger movement, image scrolling method, and program
US9417754B2 (en) 2011-08-05 2016-08-16 P4tents1, LLC User interface system, method, and computer program product
WO2013029642A1 (fr) * 2011-08-31 2013-03-07 Sony Ericsson Mobile Communications Ab Afficheur à cristaux liquides
JP5576841B2 (ja) * 2011-09-09 2014-08-20 Ｋｄｄｉ株式会社 押圧による画像のズームが可能なユーザインタフェース装置、画像ズーム方法及びプログラム
WO2013037385A1 (fr) * 2011-09-16 2013-03-21 Sony Ericsson Mobile Communications Ab Capteur tactile sensible à la force
US8988384B2 (en) 2011-09-23 2015-03-24 Apple Inc. Force sensor interface for touch controller
TWI448140B (zh) * 2011-11-11 2014-08-01 Inst Information Industry 手持裝置及其控制方法
KR101750300B1 (ko) 2011-11-18 2017-06-23 센톤스 아이엔씨. 터치 입력 힘 검출
EP3627296B1 (fr) 2011-11-18 2021-06-23 Sentons Inc. Rétroaction haptique localisée
US11340124B2 (en) 2017-08-14 2022-05-24 Sentons Inc. Piezoresistive sensor for detecting a physical disturbance
US9354748B2 (en) 2012-02-13 2016-05-31 Microsoft Technology Licensing, Llc Optical stylus interaction
EP2634552B1 (fr) * 2012-02-28 2015-04-08 Sony Mobile Communications AB Dispositif électronique et procédé permettant de déterminer la température d'un dispositif électronique
USRE48963E1 (en) 2012-03-02 2022-03-08 Microsoft Technology Licensing, Llc Connection device for computing devices
US9870066B2 (en) 2012-03-02 2018-01-16 Microsoft Technology Licensing, Llc Method of manufacturing an input device
US9360893B2 (en) 2012-03-02 2016-06-07 Microsoft Technology Licensing, Llc Input device writing surface
US8935774B2 (en) 2012-03-02 2015-01-13 Microsoft Corporation Accessory device authentication
US8873227B2 (en) 2012-03-02 2014-10-28 Microsoft Corporation Flexible hinge support layer
US9134807B2 (en) 2012-03-02 2015-09-15 Microsoft Technology Licensing, Llc Pressure sensitive key normalization
US9426905B2 (en) 2012-03-02 2016-08-23 Microsoft Technology Licensing, Llc Connection device for computing devices
US8773381B2 (en) 2012-03-02 2014-07-08 International Business Machines Corporation Time-based contextualizing of multiple pages for electronic book reader
US9075566B2 (en) 2012-03-02 2015-07-07 Microsoft Technoogy Licensing, LLC Flexible hinge spine
US9064654B2 (en) 2012-03-02 2015-06-23 Microsoft Technology Licensing, Llc Method of manufacturing an input device
US9076419B2 (en) 2012-03-14 2015-07-07 Bebop Sensors, Inc. Multi-touch pad controller
WO2013135252A1 (fr) * 2012-03-15 2013-09-19 Sony Mobile Communications Ab Procédé de commande d'un capteur tactile
US8966391B2 (en) * 2012-03-21 2015-02-24 International Business Machines Corporation Force-based contextualizing of multiple pages for electronic book reader
WO2013154720A1 (fr) 2012-04-13 2013-10-17 Tk Holdings Inc. Capteur de pression comprenant un matériau sensible à la pression à utiliser avec des systèmes de commande et ses procédés d'utilisation
FR2989829B1 (fr) * 2012-04-20 2014-04-11 Commissariat Energie Atomique Capteur tactile photosensible
DE112013002288T5 (de) 2012-05-03 2015-04-16 Apple Inc. Momentkompensierter Biegebalkensensor zur Lastmessung auf einer Biegebalken-gestützten Plattform
CN104487929B (zh) 2012-05-09 2018-08-17 苹果公司 用于响应于用户接触来显示附加信息的设备、方法和图形用户界面
WO2013169849A2 (fr) 2012-05-09 2013-11-14 Industries Llc Yknots Dispositif, procédé et interface utilisateur graphique permettant d'afficher des objets d'interface utilisateur correspondant à une application
WO2013169845A1 (fr) 2012-05-09 2013-11-14 Yknots Industries Llc Dispositif, procédé et interface graphique utilisateur pour faire défiler des régions imbriquées
AU2013259614B2 (en) 2012-05-09 2016-08-25 Apple Inc. Device, method, and graphical user interface for providing feedback for changing activation states of a user interface object
WO2013169843A1 (fr) 2012-05-09 2013-11-14 Yknots Industries Llc Dispositif, procédé et interface graphique utilisateur pour manipuler des objets graphiques encadrés
EP3410287B1 (fr) 2012-05-09 2022-08-17 Apple Inc. Dispositif, procédé et interface utilisateur graphique pour sélectionner des objets d'interface utilisateur
WO2013169875A2 (fr) 2012-05-09 2013-11-14 Yknots Industries Llc Dispositif, méthode et interface utilisateur graphique d'affichage de contenu associé à une affordance correspondante
CN104487930A (zh) 2012-05-09 2015-04-01 苹果公司 用于移动和放置用户界面对象的设备、方法和图形用户界面
WO2013169851A2 (fr) 2012-05-09 2013-11-14 Yknots Industries Llc Dispositif, procédé et interface d'utilisateur graphique pour faciliter l'interaction de l'utilisateur avec des commandes dans une interface d'utilisateur
WO2013169865A2 (fr) 2012-05-09 2013-11-14 Yknots Industries Llc Dispositif, procédé et interface d'utilisateur graphique pour déplacer un objet d'interface d'utilisateur en fonction d'une intensité d'une entrée d'appui
CN108897420B (zh) 2012-05-09 2021-10-22 苹果公司 用于响应于手势在显示状态之间过渡的设备、方法和图形用户界面
WO2013169842A2 (fr) 2012-05-09 2013-11-14 Yknots Industries Llc Dispositif, procédé, et interface utilisateur graphique permettant de sélectionner un objet parmi un groupe d'objets
CN108287651B (zh) 2012-05-09 2021-04-13 苹果公司 用于针对在用户界面中执行的操作提供触觉反馈的方法和装置
US20130300590A1 (en) 2012-05-14 2013-11-14 Paul Henry Dietz Audio Feedback
EP2664971B1 (fr) 2012-05-16 2014-09-17 Siemens Aktiengesellschaft Écran tactile avec détection de pression analogique pour une installation technique industrielle
US10031556B2 (en) 2012-06-08 2018-07-24 Microsoft Technology Licensing, Llc User experience adaptation
US8947353B2 (en) 2012-06-12 2015-02-03 Microsoft Corporation Photosensor array gesture detection
US9019615B2 (en) 2012-06-12 2015-04-28 Microsoft Technology Licensing, Llc Wide field-of-view virtual image projector
US9459160B2 (en) 2012-06-13 2016-10-04 Microsoft Technology Licensing, Llc Input device sensor configuration
US9684382B2 (en) 2012-06-13 2017-06-20 Microsoft Technology Licensing, Llc Input device configuration having capacitive and pressure sensors
US9256089B2 (en) 2012-06-15 2016-02-09 Microsoft Technology Licensing, Llc Object-detecting backlight unit
US9487388B2 (en) 2012-06-21 2016-11-08 Nextinput, Inc. Ruggedized MEMS force die
US9032818B2 (en) 2012-07-05 2015-05-19 Nextinput, Inc. Microelectromechanical load sensor and methods of manufacturing the same
WO2014018116A1 (fr) 2012-07-26 2014-01-30 Changello Enterprise Llc Détection de force et détection de contact fondées sur les ultrasons
WO2014018121A1 (fr) 2012-07-26 2014-01-30 Changello Enterprise Llc Estimation de force assistée par empreinte digitale
WO2014018115A1 (fr) 2012-07-26 2014-01-30 Changello Enterprise Llc Détection à base d'ultrasons de force d'entrées
US8964379B2 (en) 2012-08-20 2015-02-24 Microsoft Corporation Switchable magnetic lock
CN103633670B (zh) * 2012-08-20 2015-11-25 台达电子工业股份有限公司 具防盗检测的充电系统
TWI448942B (zh) * 2012-08-28 2014-08-11 Henghao Technology Co Ltd 觸控面板
JP5939303B2 (ja) * 2012-08-30 2016-06-22 富士通株式会社 表示装置，プログラム
WO2014035479A2 (fr) * 2012-08-30 2014-03-06 Changello Enterprise Llc Détermination de base de référence automatique pour détection de force
WO2014043664A1 (fr) 2012-09-17 2014-03-20 Tk Holdings Inc. Capteur de force à une seule couche
US8654030B1 (en) 2012-10-16 2014-02-18 Microsoft Corporation Antenna placement
CN104870123B (zh) 2012-10-17 2016-12-14 微软技术许可有限责任公司 金属合金注射成型突起
US9516271B2 (en) * 2012-10-31 2016-12-06 Microsoft Technology Licensing, Llc Auto-adjusting content size rendered on a display
US8786767B2 (en) 2012-11-02 2014-07-22 Microsoft Corporation Rapid synchronized lighting and shuttering
KR102003371B1 (ko) * 2012-11-16 2019-10-01 삼성전자주식회사 화면 밝기를 조절하는 전자 장치 및 방법
US10168814B2 (en) 2012-12-14 2019-01-01 Apple Inc. Force sensing based on capacitance changes
US10817096B2 (en) 2014-02-06 2020-10-27 Apple Inc. Force sensor incorporated into display
EP3435220B1 (fr) 2012-12-29 2020-09-16 Apple Inc. Dispositif, procédé et interface utilisateur graphique permettant la transition entre des relations d'entrée tactile et de sortie d'affichage
CN104903835B (zh) 2012-12-29 2018-05-04 苹果公司 用于针对多接触手势而放弃生成触觉输出的设备、方法和图形用户界面
WO2014105279A1 (fr) 2012-12-29 2014-07-03 Yknots Industries Llc Dispositif, procédé et interface utilisateur graphique pour une commutation entre des interfaces utilisateur
EP2939097B1 (fr) 2012-12-29 2018-12-26 Apple Inc. Dispositif, procédé et interface utilisateur graphique pour naviguer dans des hiérarchies d'interface utilisateur
EP2939095B1 (fr) 2012-12-29 2018-10-03 Apple Inc. Dispositif, procédé et interface utilisateur graphique pour déplacer un curseur en fonction d'un changement d'apparence d'une icône de commande à caractéristiques tridimensionnelles simulées
US10386970B2 (en) 2013-02-08 2019-08-20 Apple Inc. Force determination based on capacitive sensing
US10578499B2 (en) 2013-02-17 2020-03-03 Microsoft Technology Licensing, Llc Piezo-actuated virtual buttons for touch surfaces
US9851828B2 (en) 2013-03-15 2017-12-26 Apple Inc. Touch force deflection sensor
US9952703B2 (en) 2013-03-15 2018-04-24 Apple Inc. Force sensing of inputs through strain analysis
US9304549B2 (en) 2013-03-28 2016-04-05 Microsoft Technology Licensing, Llc Hinge mechanism for rotatable component attachment
US9552777B2 (en) 2013-05-10 2017-01-24 Microsoft Technology Licensing, Llc Phase control backlight
US9671889B1 (en) 2013-07-25 2017-06-06 Apple Inc. Input member with capacitive sensor
WO2015047374A1 (fr) 2013-09-30 2015-04-02 Rinand Solutions Llc Utilisation de multiples fonctions dans un dispositif d'affichage d'un dispositif électronique
CN110134283B (zh) 2013-10-28 2022-10-11 苹果公司 基于压电的力感测
US9304575B2 (en) 2013-11-26 2016-04-05 Apple Inc. Reducing touch sensor panel power consumption
US9726922B1 (en) 2013-12-20 2017-08-08 Apple Inc. Reducing display noise in an electronic device
US9448631B2 (en) 2013-12-31 2016-09-20 Microsoft Technology Licensing, Llc Input device haptics and pressure sensing
AU2015100011B4 (en) * 2014-01-13 2015-07-16 Apple Inc. Temperature compensating transparent force sensor
US9902611B2 (en) 2014-01-13 2018-02-27 Nextinput, Inc. Miniaturized and ruggedized wafer level MEMs force sensors
US9317072B2 (en) 2014-01-28 2016-04-19 Microsoft Technology Licensing, Llc Hinge mechanism with preset positions
EP3072040B1 (fr) 2014-02-12 2021-12-29 Apple Inc. Détermination de force au moyen de capteur en feuille et de réseau capacitif
US9759854B2 (en) 2014-02-17 2017-09-12 Microsoft Technology Licensing, Llc Input device outer layer and backlighting
CN103885675B (zh) * 2014-02-20 2018-10-12 联想(北京)有限公司 一种控制方法及电子设备
US10120420B2 (en) 2014-03-21 2018-11-06 Microsoft Technology Licensing, Llc Lockable display and techniques enabling use of lockable displays
CN104000667A (zh) * 2014-04-04 2014-08-27 首都医科大学附属北京口腔医院 应力测试装置以及舌侧矫治测力装置
US20150296622A1 (en) * 2014-04-11 2015-10-15 Apple Inc. Flexible Printed Circuit With Semiconductor Strain Gauge
US20150296607A1 (en) * 2014-04-11 2015-10-15 Apple Inc. Electronic Device With Flexible Printed Circuit Strain Gauge Sensor
US10198123B2 (en) 2014-04-21 2019-02-05 Apple Inc. Mitigating noise in capacitive sensor
US9753568B2 (en) 2014-05-15 2017-09-05 Bebop Sensors, Inc. Flexible sensors and applications
US9442614B2 (en) 2014-05-15 2016-09-13 Bebop Sensors, Inc. Two-dimensional sensor arrays
US9965076B2 (en) * 2014-05-15 2018-05-08 Bebop Sensors, Inc. Piezoresistive sensors and applications
US10362989B2 (en) 2014-06-09 2019-07-30 Bebop Sensors, Inc. Sensor system integrated with a glove
US10324733B2 (en) 2014-07-30 2019-06-18 Microsoft Technology Licensing, Llc Shutdown notifications
US9424048B2 (en) 2014-09-15 2016-08-23 Microsoft Technology Licensing, Llc Inductive peripheral retention device
US9447620B2 (en) 2014-09-30 2016-09-20 Microsoft Technology Licensing, Llc Hinge mechanism with multiple preset positions
US9863822B2 (en) 2015-01-07 2018-01-09 Apple Inc. Deformation compensating compliant material
US9863823B2 (en) 2015-02-27 2018-01-09 Bebop Sensors, Inc. Sensor systems integrated with footwear
US10006937B2 (en) 2015-03-06 2018-06-26 Apple Inc. Capacitive sensors for electronic devices and methods of forming the same
US10296123B2 (en) 2015-03-06 2019-05-21 Apple Inc. Reducing noise in a force signal in an electronic device
US10095396B2 (en) 2015-03-08 2018-10-09 Apple Inc. Devices, methods, and graphical user interfaces for interacting with a control object while dragging another object
US9632664B2 (en) 2015-03-08 2017-04-25 Apple Inc. Devices, methods, and graphical user interfaces for manipulating user interface objects with visual and/or haptic feedback
US9645732B2 (en) 2015-03-08 2017-05-09 Apple Inc. Devices, methods, and graphical user interfaces for displaying and using menus
US9990107B2 (en) 2015-03-08 2018-06-05 Apple Inc. Devices, methods, and graphical user interfaces for displaying and using menus
US10048757B2 (en) 2015-03-08 2018-08-14 Apple Inc. Devices and methods for controlling media presentation
US10185397B2 (en) 2015-03-08 2019-01-22 Apple Inc. Gap sensor for haptic feedback assembly
US9785305B2 (en) 2015-03-19 2017-10-10 Apple Inc. Touch input cursor manipulation
US9639184B2 (en) 2015-03-19 2017-05-02 Apple Inc. Touch input cursor manipulation
US20170045981A1 (en) 2015-08-10 2017-02-16 Apple Inc. Devices and Methods for Processing Touch Inputs Based on Their Intensities
US10152208B2 (en) 2015-04-01 2018-12-11 Apple Inc. Devices and methods for processing touch inputs based on their intensities
US10082381B2 (en) 2015-04-30 2018-09-25 Bebop Sensors, Inc. Sensor systems integrated with vehicle tires
US10222889B2 (en) 2015-06-03 2019-03-05 Microsoft Technology Licensing, Llc Force inputs and cursor control
US10416799B2 (en) 2015-06-03 2019-09-17 Microsoft Technology Licensing, Llc Force sensing and inadvertent input control of an input device
US9891811B2 (en) 2015-06-07 2018-02-13 Apple Inc. Devices and methods for navigating between user interfaces
US9674426B2 (en) 2015-06-07 2017-06-06 Apple Inc. Devices and methods for capturing and interacting with enhanced digital images
US10200598B2 (en) 2015-06-07 2019-02-05 Apple Inc. Devices and methods for capturing and interacting with enhanced digital images
US9860451B2 (en) 2015-06-07 2018-01-02 Apple Inc. Devices and methods for capturing and interacting with enhanced digital images
US9830048B2 (en) 2015-06-07 2017-11-28 Apple Inc. Devices and methods for processing touch inputs with instructions in a web page
US10346030B2 (en) 2015-06-07 2019-07-09 Apple Inc. Devices and methods for navigating between user interfaces
CN107848788B (zh) 2015-06-10 2023-11-24 触控解决方案股份有限公司 具有容差沟槽的加固的晶圆级mems力传感器
US9752361B2 (en) 2015-06-18 2017-09-05 Microsoft Technology Licensing, Llc Multistage hinge
US10006828B2 (en) * 2015-06-24 2018-06-26 Apple Inc. Systems and methods for measuring resistive sensors
US9827996B2 (en) 2015-06-25 2017-11-28 Bebop Sensors, Inc. Sensor systems integrated with steering wheels
US9864415B2 (en) 2015-06-30 2018-01-09 Microsoft Technology Licensing, Llc Multistage friction hinge
CN107924243B (zh) 2015-07-09 2021-04-02 深圳纽迪瑞科技开发有限公司 压力感应触摸系统及具有压力感应触摸系统的计算装置
US9612170B2 (en) 2015-07-21 2017-04-04 Apple Inc. Transparent strain sensors in an electronic device
KR102513385B1 (ko) * 2015-07-31 2023-03-23 엘지디스플레이 주식회사 터치 패널의 구동 장치 및 이를 포함하는 전자 기기
TWI594155B (zh) * 2015-08-04 2017-08-01 敦泰電子股份有限公司 嵌入式施力感測器之面板裝置
US9715301B2 (en) 2015-08-04 2017-07-25 Apple Inc. Proximity edge sensing
US10416800B2 (en) 2015-08-10 2019-09-17 Apple Inc. Devices, methods, and graphical user interfaces for adjusting user interface objects
US9880735B2 (en) 2015-08-10 2018-01-30 Apple Inc. Devices, methods, and graphical user interfaces for manipulating user interface objects with visual and/or haptic feedback
US10235035B2 (en) 2015-08-10 2019-03-19 Apple Inc. Devices, methods, and graphical user interfaces for content navigation and manipulation
US10248308B2 (en) 2015-08-10 2019-04-02 Apple Inc. Devices, methods, and graphical user interfaces for manipulating user interfaces with physical gestures
US9927905B2 (en) * 2015-08-19 2018-03-27 Apple Inc. Force touch button emulation
CN106502444B (zh) 2015-09-03 2019-03-19 敦泰电子股份有限公司 触控显示装置及其驱动方法以及压力检测方法
US10401167B2 (en) * 2015-09-17 2019-09-03 Apple Inc. Wearable ambient pressure gauge
US10416811B2 (en) 2015-09-24 2019-09-17 Apple Inc. Automatic field calibration of force input sensors
KR102452052B1 (ko) * 2015-12-02 2022-10-06 엘지디스플레이 주식회사 폴더블 표시장치
CN105511679B (zh) * 2015-12-25 2019-04-30 上海天马微电子有限公司 玻璃基板、触控显示屏及触控压力计算方法
US10248255B2 (en) 2015-12-25 2019-04-02 Shanghai Tianma Micro-electronics Co., Ltd. Array substrate, touch display panel and method for calculating touch pressure
EP3397702B1 (fr) 2015-12-29 2021-07-14 Universidade do Minho Encre piézorésistive et procédés et utilisations s'y rapportant
US10061385B2 (en) 2016-01-22 2018-08-28 Microsoft Technology Licensing, Llc Haptic feedback for a touch input device
CN105677111B (zh) 2016-01-29 2020-07-07 上海天马微电子有限公司 一种阵列基板及显示面板
US10234978B2 (en) * 2016-01-29 2019-03-19 Shanghai Tianma Micro-electronics Co., Ltd. Array substrate and display panel
US10795509B2 (en) 2016-03-24 2020-10-06 Synaptics Incorporated Force sensing within display stack
CN105808010B (zh) * 2016-03-31 2018-11-30 京东方科技集团股份有限公司 一种基板、显示装置及其压力识别方法
US10007343B2 (en) * 2016-03-31 2018-06-26 Apple Inc. Force sensor in an input device
US10209830B2 (en) * 2016-03-31 2019-02-19 Apple Inc. Electronic device having direction-dependent strain elements
US10344797B2 (en) 2016-04-05 2019-07-09 Microsoft Technology Licensing, Llc Hinge with multiple preset positions
CN105742334A (zh) * 2016-05-03 2016-07-06 京东方科技集团股份有限公司 有机电致发光显示器件和显示装置
CN107346188B (zh) * 2016-05-06 2022-03-22 中兴通讯股份有限公司 压力感应模组、终端、图像显示方法及装置
CN105867699B (zh) 2016-06-20 2019-02-19 上海天马微电子有限公司 显示面板及触控压力检测方法
CN108027674B (zh) * 2016-06-30 2020-11-10 华为技术有限公司 一种电子设备和终端
CN106020559B (zh) * 2016-06-30 2018-05-29 华为技术有限公司 压力感应检测装置、电子设备与触摸显示屏
CN106197803A (zh) * 2016-07-21 2016-12-07 上海与德通讯技术有限公司 跌落数据的采集方法及终端设备
US10019097B2 (en) * 2016-07-25 2018-07-10 Apple Inc. Force-detecting input structure
CN106020563A (zh) * 2016-08-09 2016-10-12 上海天马微电子有限公司 显示面板和显示装置
US10152182B2 (en) 2016-08-11 2018-12-11 Microsoft Technology Licensing, Llc Touch sensor having jumpers
US10133418B2 (en) 2016-09-07 2018-11-20 Apple Inc. Force sensing in an electronic device using a single layer of strain-sensitive structures
US10037057B2 (en) 2016-09-22 2018-07-31 Microsoft Technology Licensing, Llc Friction hinge
US9870098B1 (en) * 2016-09-27 2018-01-16 International Business Machines Corporation Pressure-sensitive touch screen display and method
CN106371672B (zh) * 2016-10-24 2024-04-19 上海天马微电子有限公司 柔性显示面板和装置
US9715307B1 (en) 2016-10-31 2017-07-25 International Business Machines Corporation Pressure-sensitive touch screen display and method
US9958979B1 (en) 2016-10-31 2018-05-01 International Business Machines Corporation Web server that renders a web page based on a client pressure profile
US10908741B2 (en) 2016-11-10 2021-02-02 Sentons Inc. Touch input detection along device sidewall
US10247970B2 (en) 2016-12-20 2019-04-02 Microsoft Technology Licensing, Llc Measuring strain on display device
EP3580539A4 (fr) 2017-02-09 2020-11-25 Nextinput, Inc. Capteurs de force numériques intégrés et procédés de fabrication associés
US10352789B2 (en) 2017-02-09 2019-07-16 Microsoft Technology Licensing, Llc Measuring strain on display device
US11243125B2 (en) 2017-02-09 2022-02-08 Nextinput, Inc. Integrated piezoresistive and piezoelectric fusion force sensor
US10585522B2 (en) 2017-02-27 2020-03-10 Sentons Inc. Detection of non-touch inputs using a signature
US10678422B2 (en) 2017-03-13 2020-06-09 International Business Machines Corporation Automatic generation of a client pressure profile for a touch screen device
US10444091B2 (en) 2017-04-11 2019-10-15 Apple Inc. Row column architecture for strain sensing
CN107329615B (zh) * 2017-06-30 2020-06-16 上海天马微电子有限公司 显示面板及显示装置
CN111448446B (zh) 2017-07-19 2022-08-30 触控解决方案股份有限公司 在mems力传感器中的应变传递堆叠
CN107168589B (zh) * 2017-07-20 2020-09-18 上海天马微电子有限公司 一种显示基板及其制作方法、显示面板和显示装置
US10309846B2 (en) 2017-07-24 2019-06-04 Apple Inc. Magnetic field cancellation for strain sensors
WO2019023309A1 (fr) 2017-07-25 2019-01-31 Nextinput, Inc. Capteur de force et d'empreintes digitales intégré
WO2019023552A1 (fr) 2017-07-27 2019-01-31 Nextinput, Inc. Capteur de force piézorésistif et piézoélectrique collé sur tranche et procédés de fabrication associés
CN107479743B (zh) * 2017-07-28 2020-08-18 上海天马微电子有限公司 一种显示基板、显示面板和显示装置
US20210223900A1 (en) * 2017-08-14 2021-07-22 Sentons Inc. Multiple strain sensors configured for collective touch input detection
US11580829B2 (en) 2017-08-14 2023-02-14 Sentons Inc. Dynamic feedback for haptics
CN107479757B (zh) * 2017-08-25 2020-07-14 上海天马微电子有限公司 显示面板和显示装置
CN107393497A (zh) * 2017-08-30 2017-11-24 上海天马微电子有限公司 显示面板和显示装置
US11579028B2 (en) 2017-10-17 2023-02-14 Nextinput, Inc. Temperature coefficient of offset compensation for force sensor and strain gauge
CN107643854B (zh) * 2017-10-31 2020-10-09 上海天马微电子有限公司 一种阵列基板、显示面板及显示装置
US11385108B2 (en) 2017-11-02 2022-07-12 Nextinput, Inc. Sealed force sensor with etch stop layer
US11874185B2 (en) 2017-11-16 2024-01-16 Nextinput, Inc. Force attenuator for force sensor
US10884496B2 (en) 2018-07-05 2021-01-05 Bebop Sensors, Inc. One-size-fits-all data glove
US10859872B2 (en) * 2018-08-14 2020-12-08 Dell Products L.P. Method to utilize force sensors to adjust the LCD pattern or brightness on a display
US10866683B2 (en) 2018-08-27 2020-12-15 Apple Inc. Force or touch sensing on a mobile device using capacitive or pressure sensing
US10782818B2 (en) 2018-08-29 2020-09-22 Apple Inc. Load cell array for detection of force input to an electronic device enclosure
US10978679B2 (en) * 2018-12-12 2021-04-13 Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. Method of manufacturing composite film layer and display device
US10962427B2 (en) 2019-01-10 2021-03-30 Nextinput, Inc. Slotted MEMS force sensor
GB2581495A (en) 2019-02-19 2020-08-26 Cambridge Touch Tech Ltd Force sensing touch panel
GB2582171B (en) 2019-03-13 2022-10-12 Cambridge Touch Tech Ltd Force sensing touch panel
US11480481B2 (en) 2019-03-13 2022-10-25 Bebop Sensors, Inc. Alignment mechanisms sensor systems employing piezoresistive materials
CN110411332B (zh) * 2019-09-03 2024-05-14 中国工程物理研究院化工材料研究所 一种测试电阻应变计灵敏系数的系统及方法
CN112817478A (zh) * 2021-01-22 2021-05-18 维沃移动通信有限公司 压感信号处理方法、装置、电子设备及可读存储介质
WO2023218189A1 (fr) 2022-05-10 2023-11-16 Ramsay Technologies Ltd Dispositif capteur et procédé de formation d'un dispositif capteur
WO2023223021A1 (fr) 2022-05-16 2023-11-23 Ramsay Technologies Ltd Article d'équipement de protection

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3085193A (en) * 1960-10-10 1963-04-09 Statham Instrument Inc Linear electrical compensation circuits
US4522072A (en) * 1983-04-22 1985-06-11 Insouth Microsystems, Inc. Electromechanical transducer strain sensor arrangement and construction
EP0421025A1 (fr) * 1989-10-02 1991-04-10 Koninklijke Philips Electronics N.V. Système de traitement des données avec une surface tactile et une tablette à numériser, les deux intégrées dans un dispositif de sortie
WO2002035461A1 (fr) * 2000-10-27 2002-05-02 Elo Touchsystems, Inc. Ecran tactile a double capteur equipe d'un capteur projectif-capacitif et d'un capteur de force tactiles
WO2006013521A2 (fr) * 2004-08-02 2006-02-09 Koninklijke Philips Electronics N.V. Curseur de defilement pour ecran tactile, pour ajuster une valeur de virgule flottante
US20060132456A1 (en) * 2004-12-21 2006-06-22 Microsoft Corporation Hard tap
US20070205475A1 (en) * 2003-10-06 2007-09-06 Hiroyuki Ohta Apparatus for measuring a mechanical quantity

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3748571A (en) * 1972-09-07 1973-07-24 Kulite Semiconductors Products Pressure sensitive transducers employing capacitive and resistive variations
US4480488A (en) * 1982-02-19 1984-11-06 The General Electric Company, P.L.C. Force sensor with a piezoelectric FET
FR2599833B1 (fr) * 1986-06-10 1992-02-14 Metravib Sa Capteur de grandeurs mecaniques integre sur silicium et procede de fabrication
RU2115095C1 (ru) * 1991-09-25 1998-07-10 Хаустон Диджитал Инструментс, Инк. Устройство измерения и отображения технологический параметров и средство измерения показателей процесса
KR940001227A (ko) * 1992-06-15 1994-01-11 에프. 제이. 스미트 터치 스크린 디바이스
US5708460A (en) * 1995-06-02 1998-01-13 Avi Systems, Inc. Touch screen
EP1087445A4 (fr) * 1999-01-13 2007-05-02 Mitsubishi Electric Corp Capteur de force d'inertie et procede de realisation d'un tel capteur de force d'inertie
US6492979B1 (en) * 1999-09-07 2002-12-10 Elo Touchsystems, Inc. Dual sensor touchscreen utilizing projective-capacitive and force touch sensors
US6504530B1 (en) * 1999-09-07 2003-01-07 Elo Touchsystems, Inc. Touch confirming touchscreen utilizing plural touch sensors
US7176902B2 (en) * 2003-10-10 2007-02-13 3M Innovative Properties Company Wake-on-touch for vibration sensing touch input devices
US8350345B2 (en) * 2003-12-29 2013-01-08 Vladimir Vaganov Three-dimensional input control device
US7924269B2 (en) * 2005-01-04 2011-04-12 Tpo Displays Corp. Display devices and methods forming the same
US9001045B2 (en) * 2005-11-08 2015-04-07 Nokia Corporation Cost efficient element for combined piezo sensor and actuator in robust and small touch screen realization and method for operation thereof
US20090140985A1 (en) * 2007-11-30 2009-06-04 Eric Liu Computing device that determines and uses applied pressure from user interaction with an input interface
US20100156823A1 (en) * 2008-12-23 2010-06-24 Research In Motion Limited Electronic device including touch-sensitive display and method of controlling same to provide tactile feedback

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3085193A (en) * 1960-10-10 1963-04-09 Statham Instrument Inc Linear electrical compensation circuits
US4522072A (en) * 1983-04-22 1985-06-11 Insouth Microsystems, Inc. Electromechanical transducer strain sensor arrangement and construction
EP0421025A1 (fr) * 1989-10-02 1991-04-10 Koninklijke Philips Electronics N.V. Système de traitement des données avec une surface tactile et une tablette à numériser, les deux intégrées dans un dispositif de sortie
WO2002035461A1 (fr) * 2000-10-27 2002-05-02 Elo Touchsystems, Inc. Ecran tactile a double capteur equipe d'un capteur projectif-capacitif et d'un capteur de force tactiles
US20070205475A1 (en) * 2003-10-06 2007-09-06 Hiroyuki Ohta Apparatus for measuring a mechanical quantity
WO2006013521A2 (fr) * 2004-08-02 2006-02-09 Koninklijke Philips Electronics N.V. Curseur de defilement pour ecran tactile, pour ajuster une valeur de virgule flottante
US20060132456A1 (en) * 2004-12-21 2006-06-22 Microsoft Corporation Hard tap

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012068976A (ja) * 2010-09-24 2012-04-05 Kyocera Corp 電子情報機器
US9983716B2 (en) 2011-12-16 2018-05-29 Apple Inc. Electronic device with noise-cancelling force sensor
US9246486B2 (en) 2011-12-16 2016-01-26 Apple Inc. Electronic device with noise-cancelling force sensor
US9575588B2 (en) 2011-12-16 2017-02-21 Apple Inc. Electronic device with noise-cancelling force sensor
US9791958B2 (en) 2011-12-16 2017-10-17 Apple Inc. Electronic device with noise-cancelling force sensor
US8890825B2 (en) 2012-02-20 2014-11-18 Nokia Corporation Apparatus and method for determining the position of user input
JP2016505978A (ja) * 2012-12-29 2016-02-25 アップル インコーポレイテッド コンテンツをスクロールするか選択するかを判定するためのデバイス、方法、及びグラフィカルユーザインタフェース
DE102016212516B4 (de) 2015-12-24 2022-07-28 Shanghai Tianma Micro-electronics Co., Ltd. Berührungsbildschirm
US10095342B2 (en) 2016-11-14 2018-10-09 Google Llc Apparatus for sensing user input
US10001808B1 (en) 2017-03-29 2018-06-19 Google Llc Mobile device accessory equipped to communicate with mobile device
US10013081B1 (en) 2017-04-04 2018-07-03 Google Llc Electronic circuit and method to account for strain gauge variation
US10642383B2 (en) 2017-04-04 2020-05-05 Google Llc Apparatus for sensing user input
US10514797B2 (en) 2017-04-18 2019-12-24 Google Llc Force-sensitive user input interface for an electronic device
US10635255B2 (en) 2017-04-18 2020-04-28 Google Llc Electronic device response to force-sensitive interface
US11237660B2 (en) 2017-04-18 2022-02-01 Google Llc Electronic device response to force-sensitive interface

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US20100123686A1 (en) 2010-05-20

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