WO2020091875A1 - Multi-form factor information handling system (ihs) with automatically reconfigurable palm rejection - Google Patents
Multi-form factor information handling system (ihs) with automatically reconfigurable palm rejection Download PDFInfo
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- WO2020091875A1 WO2020091875A1 PCT/US2019/046473 US2019046473W WO2020091875A1 WO 2020091875 A1 WO2020091875 A1 WO 2020091875A1 US 2019046473 W US2019046473 W US 2019046473W WO 2020091875 A1 WO2020091875 A1 WO 2020091875A1
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- display
- ihs
- posture
- palm rejection
- keyboard
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1446—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display display composed of modules, e.g. video walls
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- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- G06F1/1618—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position the display being foldable up to the back of the other housing with a single degree of freedom, e.g. by 360° rotation over the axis defined by the rear edge of the base enclosure
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- G06F3/04886—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
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Definitions
- This disclosure relates generally to Information Handling Systems (IHSs), and more specifically, to a multi-form factor IHS with automatically reconfigurable palm rejection.
- IHSs Information Handling Systems
- IHSs Information Handling Systems
- An IHS generally processes, compiles, stores, and/or communicates information or data for business, personal, or other purposes thereby allowing users to take advantage of the value of the information.
- IHSs may also vary regarding what information is handled, how the information is handled, how much information is processed, stored, or communicated, and how quickly and efficiently the information may be processed, stored, or communicated.
- the variations in IHSs allow for IHSs to be general or configured for a specific user or specific use such as financial transaction processing, airline reservations, enterprise data storage, or global communications.
- IHSs may include a variety of hardware and software components that may be configured to process, store, and communicate information and may include one or more computer systems, data storage systems, and networking systems.
- a conventional 2- in-1 device combines the portability of a tablet with the performance of a notebook, but with a small display— an uncomfortable form factor in many use-cases.
- mobile IHS devices should provide versatility for many use-cases and display postures in use today (e.g ., tablet mode, laptop mode, etc.), as well as future display postures (e.g., digital notebooks, new work surfaces, etc.). Additionally, mobile IHS devices should provide larger display area with reduced size and weight.
- an IHS may include: a processor and a memory coupled to the processor, the memory having program instructions stored thereon that, upon execution by the processor, cause the IHS to: identify a posture of a second display relative to a first display; select a palm rejection setting corresponding to the posture; and apply the palm rejection setting to at least one of: the first display or the second display.
- the program instructions upon execution by the processor, may cause the IHS to receive an indication of an angle of a hinge coupling the first display to the second display.
- the program instructions upon execution by the processor, may cause the IHS to: identify a first range of angles as a closed posture; identify a second range of angles as a laptop posture; identify a third range of angles as a stand or tent posture; identify a fourth range of angles as a canvas posture; or identify a fifth range of angles as a tablet posture.
- the posture may be identified as the laptop posture in response to: the first display being placed at an obtuse angle with respect to the second display, and the second display being placed in a horizontal position with a display surface facing up.
- the program instructions upon execution, may cause the IHS to: apply a first palm rejection setting to the first display; apply the first palm rejection setting to a top portion of the second display; and apply a second palm rejection setting that is more aggressive than the first palm rejection setting to a bottom portion of the second display.
- the top and bottom portions of the second display may be selected based upon a position of a keyboard disposed on top of the second display.
- the posture may be identified as the canvas posture in response to: the first display being placed at a straight angle with respect to the second display, and the first and second displays being placed in a horizontal position with first and second display surfaces facing up.
- the program instructions upon execution, may cause the IHS to: select a first palm rejection setting in response to a determination that the canvas posture is in portrait mode; or select a second palm rejection setting in response to a determination that the canvas posture is in landscape mode.
- the posture may be identified as the tablet posture in response to: a first display surface of the first display being placed facing up, and a back surface of the first display being placed against a back surface of the second display.
- the program instructions upon execution, may cause the IHS to turn off touch on the second display.
- the posture may be identified as the stand posture in response to the first display being placed at an acute angle with respect to the second display. Additionally, or alternatively, the posture may be identified as the tent posture in response to a first display surface of the first display being placed at an obtuse angle with respect to a second display surface of the second display.
- the program instructions upon execution by the processor, may cause the IHS to determine that the IHS is presently being moved or manipulated.
- the program instructions, upon execution by the processor may also cause the I HS to turn off touch at least one of the first display or the second display while the I HS is being moved or manipulated.
- the program instructions, upon execution by the processor may further cause the IHS to turn off touch in at least one of the first display or the second display in response to movement or manipulation having a velocity or acceleration above a threshold.
- the program instructions upon execution by the processor, may cause the IHS to select a size and a position of a touch input area provided via the first or second displays.
- a method may include: identifying a posture of a second display relative to a first display; selecting a palm rejection setting corresponding to the posture; and applying the palm rejection setting to at least one of: the first display or the second display.
- identifying the posture may include identifying an angle of a hinge coupling the first display to the second display.
- a hardware memory device may have program instructions stored thereon that, upon execution by a processor of an IHS, cause the IHS to: identify a posture of a second display relative to a first display; select a palm rejection setting corresponding to the posture; and apply the palm rejection setting to at least one of: the first display or the second display.
- the program instructions upon execution by the processor, may further cause the IHS to apply (i) a first palm rejection setting to a first portion of the second display and (ii) a second palm rejection setting to a second portion of the second display, where the first and second portions of the second display are selected based upon a position of a keyboard disposed on top of the second display.
- FIG. 1 is a perspective view of a multi-form factor Information Handling System (IHS) with a removable keyboard, according to some embodiments.
- IHS Information Handling System
- FIGs. 2 and 3 are block diagrams of components of the multi-form factor IHS and removable keyboard, respectively, according to some embodiments.
- FIG. 4 is a block diagram of a multi-form factor configuration engine, according to some embodiments.
- FIG. 5 is a flowchart of a method for configuring multi-form factor IHSs, according to some embodiments.
- FIGs. 6A-C, 7A-J, 8A-D, and 9A-F illustrate examples of laptop, tablet, book, and display postures, respectively, according to some embodiments.
- FIGs. 10A-C and 11A-C illustrate various use-cases, according to some embodiments.
- FIGs. 12A-D, 13A, and 13B illustrate a first hinge implementation and a second hinge implementation, respectively, according to some embodiments.
- FIG. 14 illustrates an accessory charging system, according to some embodiments.
- FIGs. 15, 16A-C, 17A, and 17B illustrate a third hinge implementation, a fourth hinge implementation, and a fifth hinge implementation, respectively, according to some embodiments.
- FIG. 18A and 18B illustrate a folio case system, according to some embodiments.
- FIG. 19 illustrates an accessory backpack system, according to some embodiments.
- FIGs. 20A-C illustrate a method for providing automatically reconfigurable palm rejection, according to some embodiments.
- FIGs. 21A-C illustrate an example of a keyboard attachment and alignment system, according to some embodiments.
- FIGs. 22A-E illustrate examples of automatically reconfigurable touch areas, each with respective palm rejection settings, according to some embodiments.
- a mobile IHS device may include a dual-display, foldable IHS.
- Each display may include, for example, a Liquid Crystal Display (LCD), Organic Light-Emitting Diode (OLED), or Active Matrix OLED (AMOLED) panel or film, equipped with a touchscreen configured to receive touch inputs.
- the dual-display, foldable I HS may be configured by a user in any of a number of display postures, including, but not limited to: laptop, tablet, book, clipboard, stand, tent, and/or display.
- a user may operate the dual-display, foldable IHS in various modes using a virtual, On-Screen Keyboard (OSK), or a removable, physical keyboard.
- OSK On-Screen Keyboard
- a physical keyboard may be placed atop at least one of the screens to enable use of the IHS as a laptop, with additional User Interface (Ul) features (e.g., virtual keys, touch input areas, etc.) made available via the underlying display, around the keyboard.
- the physical keyboard may be placed in front of the IHS to expose a larger display area.
- the user may also rotate the dual-display, foldable IHS, to further enable different modalities with the use of the physical keyboard.
- the physical keyboard may be placed or stored inside the dual-display, foldable IHS.
- FIG. 1 is a perspective view of multi-form factor Information Handling System (IHS) 100 with removable keyboard 103.
- IHS Information Handling System
- first display 101 is coupled to second display 102 via hinge 104, and keyboard 103 sits atop second display 102.
- the current physical arrangement of first display 101 and second display 102 creates a laptop posture, such that first display 101 becomes primary display area 105 presented by IHS 100, where video or display frames may be rendered for viewing by a user.
- second display 102 may sit horizontally on a work surface with its display surface facing up, and keyboard 103 may be positioned on top of second display 102, occluding a part of its display surface.
- IHS 100 may dynamically produce a first Ul feature in the form of at least one configurable secondary display area 106 (a“ribbon area” or“touch bar”), and/or a second Ul feature in the form of at least one configurable touch input area 107 (a“virtual trackpad”), using the touchscreen of second display 102.
- IHS 100 may be configured to use one or more sensors disposed in first display 101 , second display 102, keyboard 103, and/or hinge 104. Based upon readings from these various sensors, IHS 100 may then select, configure, modify, and/or provide (e.g., content, size, position, etc.) one or more Ul features.
- displays 101 and 102 may be coupled to each other via hinge 104 to thereby assume a plurality of different postures, including, but not limited, to: laptop, tablet, book, or display.
- keyboard 103 When display 102 is disposed horizontally in laptop posture, keyboard 103 may be placed on top of display 102, thus resulting in a first set of Ul features (e.g., ribbon area or touch bar 106, and/or touchpad 107). Otherwise, with IHS 100 still in the laptop posture, keyboard 103 may be placed next to display 102, resulting in a second set of Ul features.
- Ul features e.g., ribbon area or touch bar 106, and/or touchpad 107.
- ribbon area or“touch bar” 106 refers to a dynamic horizontal or vertical strip of selectable and/or scrollable items, which may be dynamically selected for display and/or IHS control depending upon a present context, use-case, or application.
- ribbon area or touch bar 106 may show navigation controls and favorite websites. Then, when IHS 100 operates a mail application, ribbon area or touch bar 106 may display mail actions, such as replying or flagging.
- at least a portion of ribbon area or touch bar 106 may be provided in the form of a stationary control strip, providing access to system features such as brightness and volume. Additionally, or alternatively, ribbon area or touch bar 106 may enable multitouch, to support two or more simultaneous inputs.
- ribbon area 106 may change position, location, or size if keyboard 103 is moved alongside a lateral or short edge of second display 102 (e.g. , from horizontally displayed alongside a long side of keyboard 103 to being vertically displayed alongside a short side of keyboard 103). Also, the entire display surface of display 102 may show rendered video frames if keyboard 103 is moved alongside the bottom or long edge of display 102. Conversely, if keyboard 103 is removed of turned off, yet another set of Ul features, such as an OSK, may be provided via display(s) 101/102. As such, in many embodiments, the distance and/or relative position between keyboard 103 and display(s) 101/102 may be used to control various aspects the Ul.
- IHS 100 may open, close, flip, swivel, or rotate either of displays 101 and/or 102, via hinge 104, to produce different postures.
- a different arrangement between IHS 100 and keyboard 103 results in different Ul features being presented or made available to the user.
- IHS 100 may be said to have assumed a canvas posture (e.g., FIGs. 7A-F), a tablet posture (e.g., FIG. 7G-J), a book posture (e.g., FIG. 8D), a stand posture (e.g., FIGs. 9A and 9B), or a tent posture (e.g., FIGs. 9C and 9D), depending upon whether IHS 100 is stationary, moving, horizontal, resting at a different angle, and/ or its orientation (landscape vs. portrait).
- a canvas posture e.g., FIGs. 7A-F
- a tablet posture e.g., FIG. 7G-J
- a book posture e.g., FIG.
- keyboard 103 may result in a different set of Ul features than when IHS 100 is in laptop posture.
- hinges 104 may be used to achieve and maintain different display postures, and to support different keyboard arrangements.
- suitable hinges 104 include, but are not limited to: a 360-hinge (FIGs. 12A-D), a jaws hinge (FIGs. 13A and 13B), a yoga hinge (FIG. 15), a gear hinge (FIGs. 16A-C), and a slide hinge (FIGs. 17A and 17B).
- One or more of these hinges 104 may include wells or compartments (FIG. 14) for docking, cradling, charging, or storing accessories.
- one or more aspects of hinge 104 may be monitored via one or more sensors (e.g., to determine whether an accessory is charging) when controlling the different Ul features.
- a folio case system (FIGs. 18A and 18B) may be used to facilitate keyboard arrangements. Additionally, or alternatively, an accessory backpack system (FIG. 19) may be used to hold keyboard 103 and/or an extra battery or accessory.
- an IHS may include any instrumentality or aggregate of instrumentalities operable to compute, calculate, determine, classify, process, transmit, receive, retrieve, originate, switch, store, display, communicate, manifest, detect, record, reproduce, handle, or utilize any form of information, intelligence, or data for business, scientific, control, or other purposes.
- an IHS may be a personal computer (e.g., desktop or laptop), tablet computer, mobile device (e.g., Personal Digital Assistant (PDA) or smart phone), server (e.g., blade server or rack server), a network storage device, or any other suitable device and may vary in size, shape, performance, functionality, and price.
- PDA Personal Digital Assistant
- An IHS may include Random Access Memory (RAM), one or more processing resources such as a Central Processing Unit (CPU) or hardware or software control logic, Read-Only Memory (ROM), and/or other types of nonvolatile memory. Additional components of an IHS may include one or more disk drives, one or more network ports for communicating with external devices as well as various I/O devices, such as a keyboard, a mouse, touchscreen, and/or a video display. An IHS may also include one or more buses operable to transmit communications between the various hardware components.
- RAM Random Access Memory
- processing resources such as a Central Processing Unit (CPU) or hardware or software control logic, Read-Only Memory (ROM), and/or other types of nonvolatile memory.
- Additional components of an IHS may include one or more disk drives, one or more network ports for communicating with external devices as well as various I/O devices, such as a keyboard, a mouse, touchscreen, and/or a video display.
- An IHS may also include one or more buses operable to transmit communications between the various hardware components.
- FIG. 2 is a block diagram of components 200 of multi-form factor IHS 100.
- components 200 include processor 201.
- IHS 100 may be a single processor system, or a multi-processor system including two or more processors.
- Processor 201 may include any processor capable of executing program instructions, such as a PENTIUM series processor, or any general-purpose or embedded processors implementing any of a variety of Instruction Set Architectures (ISAs), such as an x86 ISA or a Reduced Instruction Set Computer (RISC) ISA (e.g., POWERPC, ARM, SPARC, MIPS, etc.).
- ISAs Instruction Set Architectures
- RISC Reduced Instruction Set Computer
- IHS 100 includes chipset 202 coupled to processor 201.
- chipset 202 may utilize a QuickPath Interconnect (QPI) bus to communicate with processor 201.
- QPI QuickPath Interconnect
- chipset 202 may provide processor 201 with access to a number of resources.
- chipset 202 may be coupled to communication interface(s) 205 to enable communications via various wired and/or wireless networks, such as Ethernet, WiFi, BLUETOOTH, cellular or mobile networks (e.g ., CDMA, TDMA, LTE, etc.), satellite networks, or the like.
- communication interface(s) 205 may be coupled to chipset 202 via a PCIe bus.
- Chipset 202 may be coupled to display controller(s) 204, which may include one or more or graphics processor(s) (GPUs) on a graphics bus, such as an Accelerated Graphics Port (AGP) or Peripheral Component Interconnect Express (PCIe) bus. As shown, display controller(s) 204 provide video or display signals to first display device 101 and second display device 202. In other implementations, any number of display controller(s) 204 and/or display devices 101/102 may be used.
- graphics processor(s) 204 GPUs
- graphics bus such as an Accelerated Graphics Port (AGP) or Peripheral Component Interconnect Express (PCIe) bus.
- AGP Accelerated Graphics Port
- PCIe Peripheral Component Interconnect Express
- Each of display devices 101 and 102 may include a flexible display that is deformable (e.g., bent, folded, rolled, or stretched) by an external force applied thereto.
- display devices 101 and 102 may include LCD, OLED, or AMOLED, plasma, electrophoretic, or electrowetting panel(s) or film(s).
- Each display device 101 and 102 may include a plurality of pixels arranged in a matrix, configured to display visual information, such as text, two-dimensional images, video, three-dimensional images, etc.
- Display device(s) 101/102 may be configured to sense haptic and/or physical touch events, and to generate touch information.
- display device(s) 101/102 may include a touchscreen matrix (e.g., a layered capacitive panel or the like) and/or touch controller configured to receive and interpret multi-touch gestures from a user touching the screen with a stylus or one or more fingers.
- display and touch control aspects of display device(s) 101/102 may be collectively operated and controlled by display controller(s) 204.
- display device(s) 101/102 may also comprise a deformation or bending sensor configured to generate deformation or bending information including, but not limited to: the bending position of a display (e.g., in the form of a“bending line” connecting two or more positions at which bending is detected on the display), bending direction, bending angle, bending speed, etc.
- display device(s) 101/102 may be provided as a single continuous display, rather than two discrete displays.
- Chipset 202 may also provide processor 201 and/or display controller(s) 204 with access to memory 203.
- system memory 203 may be implemented using any suitable memory technology, such as static RAM (SRAM), dynamic RAM (DRAM) or magnetic disks, or any nonvolatile/Flash-type memory, such as a solid-state drive (SSD) or the like.
- SRAM static RAM
- DRAM dynamic RAM
- SSD solid-state drive
- Memory 203 may store program instructions that, upon execution by processor 201 and/or controller(s) 204, present a Ul interface to a user of IHS 100.
- Chipset 202 may further provide access to one or more hard disk and/or solid-state drives 207. In certain embodiments, chipset 202 may also provide access to one or more optical drives or other removable-media drives. In certain embodiments, chipset 202 may also provide access to one or more Universal Serial Bus (USB) ports 208.
- USB Universal Serial Bus
- BIOS 209 provides an abstraction layer that allows the OS to interface with certain hardware components that are utilized by IHS 100. Via the hardware abstraction layer provided by BIOS 209, software stored in memory 203 and executed by the processor(s) 201 of IHS 100 is able to interface with certain I/O devices that are coupled to the IHS 100.
- the Unified Extensible Firmware Interface (UEFI) was designed as a successor to BIOS. As a result, many modern IHSs utilize UEFI in addition to or instead of a BIOS. As used herein, BIOS is intended to also encompass UEFI.
- Chipset 202 may also provide access to one or more user input devices 206, for example, using a super I/O controller or the like.
- chipset 202 may provide access to a keyboard (e.g., keyboard 103), mouse, trackpad, stylus, totem, or any other peripheral input device, including touchscreen displays 101 and 102.
- These input devices may interface with chipset 202 through wired connections (e.g., in the case of touch inputs received via display controller(s) 204) or wireless connections (e.g., via communication interfaces(s) 205).
- chipset 202 may be used to interface with user input devices such as keypads, biometric scanning devices, and voice or optical recognition devices.
- chipset 202 may also provide an interface for communications with one or more sensors 210.
- Sensors 210 may be disposed within displays 101/102 and/or hinge 104, and may include, but are not limited to: electric, magnetic, radio, optical, infrared, thermal, force, pressure, acoustic, ultrasonic, proximity, position, deformation, bending, direction, movement, velocity, rotation, and/or acceleration sensor(s).
- FIG. 3 is a block diagram of components 300 of keyboard IHS 103.
- components 300 include keyboard controller or processor 301 , coupled to keyboard sensor(s) 303 and wireless communication module 302.
- keyboard controller 301 may be configured to detect keystrokes made by user upon a keyboard matrix, and it may transmit those keystrokes to IHS 100 via wireless module 302 using a suitable protocol (e.g., BLUETOOTH).
- Keyboard sensors 303 which may also include any of the aforementioned types of sensor(s), may be disposed under keys and/or around the keyboard’s enclosure, to provide information regarding the location, arrangement, or status of keyboard 103 to IHS 100 via wireless module 302.
- IHS 100 and/or keyboard 103 may not include all of components 200 and/or 300 shown in FIGs. 2 and 3, respectively. Additionally, or alternatively, IHS 100 and/or keyboard 103 may include components in addition to those shown in FIGs. 2 and 3, respectively. Additionally, or alternatively, components 200 and/or 300, represented as discrete in FIGs. 2 and 3, may be integrated with other components. For example, all or a portion of the functionality provided by components 200 and/or 300 may be provided as a System-On- Chip (SOC), or the like.
- SOC System-On- Chip
- FIG. 4 is a block diagram of multi-form factor configuration engine 401.
- multi-form factor configuration engine 401 may include electronic circuits and/or program instructions that, upon execution, cause IHS 100 to perform a number of operation(s) and/or method(s) described herein.
- program instructions for executing multi-form factor configuration engine 401 may be stored in memory 203.
- engine 401 may include one or more standalone software applications, drivers, libraries, or toolkits, accessible via an Application Programming Interface (API) or the like.
- API Application Programming Interface
- multi-form factor configuration engine 401 may be included the IHS’s OS.
- multi-form factor configuration engine 401 may be implemented in firmware and/or executed by a co-processor or dedicated controller, such as a Baseband Management Controller (BMC), or the like.
- BMC Baseband Management Controller
- multi-form factor configuration engine 401 receives Graphical User Interface (GUI) input or feature 402, and produces GUI output or feature 403, in response to receiving and processing one or more or: display sensor data 406, hinge sensor data 407, and/or keyboard sensor data 408. Additionally, or alternatively, multi-form factor configuration engine 401 may produce touch control feature 404 and/or other commands 405.
- GUI Graphical User Interface
- GUI input 402 may include one or more images to be rendered on display(s) 101/102, and/or one or more entire or partial video frames.
- GUI output 403 may include one or more modified images (e.g., different size, color, position on the display, etc.) to be rendered on display(s) 101/102, and/or one or more modified entire or partial video frames.
- GUI OUT 403 may allow a full-screen desktop image, received as GUI IN 402, to be displayed first display 101 while second display 102 remains turned off or darkened.
- GUI OUT 403 may produce a ribbon-type display or area 106 around the edge(s) of keyboard 103, for example, with interactive and/or touch selectable virtual keys, icons, menu options, pallets, etc. If keyboard sensor data 408 then indicates that keyboard 103 has been turned off, for example, GUI OUT 403 may produce an OSK on second display 102.
- touch control feature 404 may be produced to visually delineate touch input area 107 of second display 102, to enable its operation as a user input device, and to thereby provide an Ul interface commensurate with a laptop posture.
- Touch control feature 404 may turn palm or touch rejection on or off in selected parts of display(s) 101/102.
- GUI OUT 403 may include a visual outline displayed by second display 102 around touch input area 107, such that palm or touch rejection is applied outside of the outlined area, but the interior of area 107 operates as a virtual trackpad on second display 102.
- Multi-form factor configuration engine 401 may also produce other commands 405 in response to changes in display posture and/or keyboard sate or arrangement, such as commands to turn displays 101/102 on or off, enter a selected power mode, charge or monitor a status of an accessory device (e.g., docked in hinge 104), etc.
- FIG. 5 is a flowchart of method 500 for configuring multi-form factor IHSs.
- method 500 may be performed by multi-form factor configuration engine 401 under execution of processor 201.
- method 500 includes identifying a display posture— that is, a relative physical arrangement between first display 101 and second display 102.
- block 501 may use sensor data received from displays 101/102 and/or hinge 104 to distinguish among the various postures shown below.
- method 500 selects a Ul feature corresponding to the identified posture.
- Ul features include, but are not limited to: turning a display on or off; displaying a full or partial screen GUI; displaying a ribbon area; providing a virtual trackpad area; altering touch control or palm rejection settings; adjusting the brightness and contrast of a display; selecting a mode, volume, and/or or directionality of audio reproduction; etc.
- method 500 may detect the status of keyboard 103. For example, block 503 may determine that keyboard 103 is on or off, resting between two closed displays, horizontally sitting atop display(s) 101/102, or next to display(s) 101/102. Additionally, or alternatively, block 503 may determine the location or position of keyboard 103 relative to display 102, for example, using Cartesian coordinates. Additionally, or alternatively, block 503 may determine an angle between keyboard 103 and displays 101/102 (e.g., a straight angle if display 102 is horizontal, or a right angle if display 102 is vertical).
- an angle between keyboard 103 and displays 101/102 e.g., a straight angle if display 102 is horizontal, or a right angle if display 102 is vertical.
- method 500 may modify the Ul feature in response to the status of keyboard 103.
- block 504 may cause a display to turn on or off, it may change the size or position of a full or partial screen GUI or a ribbon area, it may change the size or location of a trackpad area with changes to control or palm rejection settings, etc.
- block 504 may produce a new interface feature or remove an existing feature, associated with a display posture, in response to any aspect of the keyboard status meeting a selected threshold of falling within a defined range of values.
- FIGs. 6A-C, 7A-J, 8A-D, and 9A-F illustrate examples of laptop, tablet, book, and display postures which may be detected by operation of block 501 of method 500 during execution of multi-form factor configuration engine 401 by IHS 100.
- FIGs. 6A-C show a laptop posture, where a first display surface of first display 101 is facing the user at an obtuse angle with respect to a second display surface of second display 102, and such that second display 102 is disposed in a horizontal position, with the second display surface facing up.
- state 601 shows a user operating IHS 100 with a stylus or touch on second display 102.
- state 602 shows IHS 100 with keyboard 103 positioned off the bottom edge or long side of second display 102
- state 603 shows the user operating keyboard 103 atop second display 102.
- FIGs. 7A-J show a tablet posture, where first display 101 is at a straight angle with respect to second display 102, such that first and second displays 101 and 102 are disposed in a horizontal position, with the first and second display surfaces facing up.
- FIG. 7A shows state 701 where IHS 100 is in a side-by-side, portrait orientation without keyboard 103
- FIG. 7B shows state 702 where keyboard 103 is being used off the bottom edges or short sides of display(s) 101/102
- FIG. 7C shows state 703 where keyboard 103 is located over both displays 101 and 102.
- state 704 shows IHS 100 in a side-by-side, landscape configuration without keyboard 103
- FIG. 7E state 705 shows keyboard 103 being used off the bottom edge or long side of second display 102
- FIG. 7F state 706 shows keyboard 103 on top of second display 102.
- state 707 shows first display 101 rotated around second display 102 via hinge 104 such that the display surface of second display 102 is horizontally facing down, and first display 101 rests back-to-back against second display 102, without keyboard 103; and in FIG. 7H, state 708 shows the same configuration, but with keyboard 103 placed off the bottom or long edge of display 102.
- states 709 and 710 correspond to states 707 and 708, respectively, but with IHS 100 in a portrait orientation.
- FIG. 8A-D show a book posture, similar to the tablet posture of FIGs. 7A-J, but such that neither one of displays 101 or 102 is horizontally held by the user and/or such that the angle between the display surfaces of the first and second displays 101 and 102 is other than a straight angle.
- state 801 shows dual-screen use in portrait orientation
- FIG. 8B shows dual-screen use in landscape orientation
- FIG. 8C shows single-screen use in landscape orientation
- FIG. 8D state 804 shows single-screen use in portrait orientation.
- FIGs. 9A-F show a display posture, where first display 100 is at an acute angle with respect to second display 102, and/or where both displays are vertically arranged in a portrait orientation.
- state 901 shows a first display surface of first display 102 facing the user and the second display surface of second display 102 horizontally facing down in a stand configuration (“stand”)
- state 902 shows the same stand configuration but with keyboard 103 used off the bottom edge or long side of display 101.
- state 903 shows a display posture where display 102 props up display 101 in a tent configuration (“tent”)
- FIG. 9A state 901 shows a first display surface of first display 102 facing the user and the second display surface of second display 102 horizontally facing down in a stand configuration (“stand”)
- FIG. 9B shows the same stand configuration but with keyboard 103 used off the bottom edge or long side of display 101.
- state 903 shows a display posture where display 102 props up display 101 in a tent configuration (“tent”)
- state 904 shows the same tent configuration but with keyboard 103 used off the bottom edge or long side of display 101.
- state 905 shows both displays 101 and 102 resting vertically or at display angle
- state 906 shows the same configuration but with keyboard 103 used off the bottom edge or long side of display 101.
- postures and their various respective keyboard states, are described for sake of illustration. In different embodiments, however, other postures and keyboard states may be used, for example, depending upon the type of hinge coupling the displays, the number of displays used, or other accessories.
- the connector in the docking station may be configured to hold IHS 100 at angle selected to facility one of the foregoing postures (e.g., keyboard states 905 and 906).
- FIGs. 10A-C illustrate a first example use-case of method 500 in the context of a laptop posture.
- first display 101 shows primary display area 1001
- keyboard 103 sits atop second display 102
- second display 102 provides Ul features such as first ribbon area 1002 (positioned between the top long edge of keyboard 103 and hinge 104) and touch area 1003 (positioned below keyboard 103).
- first ribbon area 1002 positioned between the top long edge of keyboard 103 and hinge 104
- touch area 1003 positioned below keyboard 103.
- ribbon area 1002 and/or touch area 1003 may dynamically move up or down, or become bigger or smaller, on second display 102.
- a virtual OSK may be rendered (e.g., at that same location) on the display surface of display 102.
- first display 101 continues to show main display area 1001 , but keyboard 103 has been moved off of display 102.
- second display 102 now shows secondary display area 1004 and also second ribbon area 1005.
- second ribbon area 1005 may include the same Ul features (e.g., icons, etc.) as also shown in area 1002, but here repositioned to a different location of display 102 nearest the long edge of keyboard 103.
- the content of second ribbon area 1005 may be different from the content of first ribbon area 1002.
- IHS 100 detects that physical keyboard 103 has been removed (e.g., out of wireless range) or turned off (e.g., low battery), and in response display 102 produces a different secondary display area 1006 (e.g., smaller than 1004), as well as OSK 1007.
- physical keyboard 103 e.g., out of wireless range
- turned off e.g., low battery
- FIGs. 1 1A-C illustrate a second example use-case of method 500 in the context of a tablet posture.
- second display 102 has its display surface facing up, and is disposed back-to-back with respect to second display 102, as in states 709/710, but with keyboard 103 sitting atop second display 102.
- display 102 provides Ul features such primary display area 1101 and first ribbon area 1102, positioned as shown.
- keyboard 103 is repositioned up or down on the surface of display 102, display area 1101 , first ribbon area 1 102, and/or touch area 1103 may also be moved up or down, or made bigger or smaller, by multi-form factor configuration engine 401.
- keyboard 103 is detected off of the surface of display 102.
- first display 101 shows modified main display area 1 103 and modified ribbon area 1104.
- modified ribbon area 1104 may include the same Ul features as area 1102, but here repositioned to a different location of display 102 nearest the long edge of keyboard 103.
- the content of second ribbon area 1 104 may be different from the content of first ribbon area 1 102.
- the content and size of modified ribbon area 1104 may be selected in response to a distance between keyboard 103 and display 102.
- multi-form factor configuration engine 401 detects that physical keyboard 103 has been removed or turned off, and in response display 102 produces yet another display area 1 105 (e.g., larger than 1003 or 1002), this time without an OSK.
- the different Ul behaviors discussed in the aforementioned use-cases may be set, at least in part, by policy and/or profile, and stored in a preferences database for each user.
- Ul features and modifications of blocks 502 and 504 such as whether touch input area 1003 is produced in state 1000A (and/or its size and position on displays 101/102), or such as whether ribbon area 1102 is produced in state 1 100A (and/or its size and position on displays 101/102), may be configurable by a user.
- FIGs. 12A-D illustrate a 360-hinge implementation, usable as hinge 104 in IHS 100, in four different configurations 1200A-D, respectively.
- 360-hinge 104 may include a plastic, acrylic, polyamide, polycarbonate, elastic, and/or rubber coupling, with one or more internal support, spring, and/or friction mechanisms that enable a user to rotate displays 101 and 102 relative to one another, around the axis of 360-hinge 104.
- Hinge configuration 1200A of FIG. 12A may be referred to as a closed posture, where at least a portion of a first display surface of the first display 101 is disposed against at least a portion of a second display surface of the second display 102, such that the space between displays 101/102 accommodates keyboard 103.
- stylus or accessory 108 may be slotted into keyboard 103.
- stylus 108 may have a diameter larger than the height of keyboard 103, so that 360-hinge 104 wraps around a portion of the circumference of stylus 108 and therefore holds keyboard 103 in place between displays 101/102.
- Hinge configuration 1200B of FIG. 12B shows a laptop posture between displays 101/102.
- 360-hinge 104 holds first display 101 up, at an obtuse angle with respect to first display 101.
- hinge configuration 1200C of FIG. 12C shows a tablet, book, or display posture (depending upon the resting angle and/or movement of IHS 100), with 360-hinge 104 holding first and second displays 101/102 at a straight angle (180°) with respect to each other.
- hinge configuration 1200D of FIG. 12D shows a tablet or book configuration, with 360-hinge 104 holding first and second displays 101 and 102 at a 360° angle, with their display surfaces in facing opposite directions.
- FIGs. 13A and 13B illustrate a jaws hinge implementation, usable as hinge 104 in IHS 100, in two different configurations 1300A and 1300B.
- jaws hinge 104 has two rotation axes, parallel to each other, one axis for each respective one of displays 101/102.
- a solid bar element 104 between the two rotation axes may be configured to accommodate docking compartment 1301 for stylus 108, audio speaker(s) 1302 (e.g., monaural, stereo, a directional array), and one or more ports 1303 (e.g., an audio in/out jack).
- Hinge configuration 1300A of FIG. 13A shows the laptop posture.
- jaws hinge 104 holds first display 101 up, at an obtuse angle with respect to second display 102.
- hinge configuration 1300B of FIG. 13B shows a tablet or book posture, with jaws hinge 104 holding first and second displays 101 and 102 at a 360° angle with respect to each other, with keyboard 103 stored in between displays 101 and 102, in a back-to-back configuration, such that stylus 108 remains accessible to the user.
- FIG. 14 illustrates accessory charging system 1400, with accessory wells 1301 and 1401 shown on hinge 104 that couples first display 101 to second display 102.
- accessory wells 1301 and 1401 may be formed of molded or extruded plastic.
- accessory well 1301 is shaped to hold pen or stylus 108
- accessory well 1401 is shaped to hold earbud 109.
- wells 1301 and/or 1401 may include electrical terminals for charging a battery within the accessory, and/or to check a status of the accessory (e.g., presence, charge level, model or name, etc.).
- FIG. 15 illustrates a yoga hinge implementation, usable as hinge 104 in IHS 100, in configuration 1500.
- yoga hinge 104 comprises a plurality of metal cylinders or rods, with axes parallel to each other, held together by bracket 1503 and/or fabric 1501.
- bracket 1503 may include notches and/or detents configured to hold cylinders 1502 at predetermined positions corresponding to any available IHS posture.
- FIGs. 16A-C illustrate a gear hinge implementation, usable as hinge 104 in IHS 100, in configurations 1600A-C.
- configuration 1600A of FIG. 16A shows gear hinge 104 with bar 1603 having teeth or gears 1604 fabricated thereon, as IHS 100 begins to assume a laptop posture.
- Display 101 has teeth or gears 1601 alongside its bottom edge, whereas display 102 has teeth or gears 1602 alongside its top edge.
- Bracket(s) 1605 hold gears 1601 and/or 1602 against gear 1604, therefore provides two parallel rotation axes between displays 101 and 102.
- Hinge configuration 1600B of FIG. 16B shows a closed posture.
- gear hinge 104 holds display 101 facing down, and display 102 is rotated 360° degrees with respect to display 101 , so that its display surface faces up against display 101.
- keyboard 103 may sit under display 102, for example, to cause display 102 to rest at an angle when IHS 100 is placed in laptop posture.
- keyboard 103 may be coupled to the back of display 102 using an accessory backpack or the like, as shown in FIG. 19.
- Hinge configuration 1600C of FIG. 16C shows a tablet or book posture.
- gear hinge 104 holds display 102 facing up, and display 101 is rotated 360° degrees with respect to display 102, so that its display surface faces down against the horizontal plane.
- keyboard 103 rests between the back of display 101 and the back of display 102.
- bar 1603 may be split into a plurality of segments or links, as shown in configurations 1600B and 1600C, to provide additional axes of rotation between displays 101 and 102, and to accommodate both keyboard options with different IHS thicknesses.
- FIGs. 17A and 17B illustrate a slide hinge implementation, usable as hinge 104 in IHS 100, in various configurations.
- link 1701 held by first display bracket 1702 coupled to display 101 , slides up and down slot 1704 of bracket 1703 coupled to display 102.
- a locking mechanism may be employed to stably hold displays 101 and 102 in different postures, as link 1701 slides up and down and/or as display 101 rotates around display 102, such as the closed posture of configuration 1700A, the laptop posture of configuration 1700B in FIG. 17B, the tablet posture of configuration 1700C (back to FIG. 17A), or the book posture of configuration 1700D (also in FIG. 17A).
- FIGs. 18A and 18B illustrate a folio case system in configurations 1800A and 1800B, according to some embodiments.
- folio case 1801 may include a set of hard foldable sections or flaps wrapped in fabric and/or plastic, with snapping magnetic attachment points, for example, around the edge on the back of displays 101 and 102, and/or keyboard 103.
- keyboard 103 may be removable from case 1801. Additionally, or alternatively, the presence and state of case 1801 may be detectable via sensors 303.
- configuration 1800A in FIG. 18A displays 101 and 102 are in a laptop posture, and folio case 1801 holds keyboard 103 in a fixed position, off the bottom edge or long side of display 102, such that both displays 101 and 102 remain usable.
- configuration 1800B of FIG. 18B shows a display posture (e.g., as in state 901), such that the display surface of display 102 is facing down against folio case 1802, and folio case 1802 holds keyboard 103 in af fixed location, off the bottom edge of display 101 , and such that only display 101 is usable.
- FIG. 19 illustrates accessory backpack system 1900.
- the enclosure of display 102 may include notches 1903 configured to receive lip 1902 of tray 1901 , which stays snapped in place until pulled by the user. Additionally, or alternatively, a spring- loaded ejection button may be used.
- tray 1901 may hold keyboard 103 or battery 110.
- the enclosure of display 102 may include electrical terminals usable to charge and/or obtain sensor information from accessories.
- systems and methods described herein may provide posture- aware, automatic palm rejection configuration for displays 101 and/or 102 of IHS 100.
- the user may transition or manipulate displays 101 and 102 into a given posture (e.g., laptop, tablet, etc.), for instance, using hinge 104.
- IHS 100 may automatically configure touch rejection setting(s) or parameter(s) in one or more touch input areas and/or layers, specifically for the detected posture.
- Palm rejection settings may also be reconfigured, for instance, based on the placement of physical keyboard 103. As the user moves keyboard 103 to different positions on the display surface of second display 102, IHS 100 may modify palm rejection parameters in one or more touch input areas and/or layers.
- a user may manually configure one or more posture-dependent, event-specific touch configuration behaviors.
- a software service may detect: posture changes, movement, placement of keyboard, user configuration changes (e.g., user brings up OSK mode), totem placed on display, active application/context, etc., and it may execute any number of corresponding automatic palm rejection settings and touch input reconfiguration actions, for example, as provided in a look-up table (LUT) or database.
- LUT look-up table
- first display 101 and second display 102 may each include different“touch layers” or modes of operation, and systems and methods described herein provide techniques for automatically and/or seamlessly switching between those layers in the absence of explicit end-user commands or actions.
- Each touch layer may include a number of settings or parameters, including: (i) at least one palm rejection setting or parameter; and (ii) at least one touch or gesture processing setting or parameter.
- palm rejection may include a“large object” detection algorithm designed to reject touch events that encompass an area of greater than a selected size, such as 25 mm.
- the threshold size of the rejection area may be used as a palm rejection configuration parameter. In operation, the threshold size may be reduced to increase the aggressiveness of the palm rejection, or the size may be increased to reduce the aggressiveness. “Enhanced” palm rejection may be more aggressive than a standard, normal, or default palm rejection, for example, by applying a smaller threshold size value.
- object detection algorithms tend to have low-latency requirements so that end-users do not experience excessive delays between the timing of an input and the presentation of the input at displays 101/102.
- Low latency means that initial small areas of touch that precede a larger touch area may be detected as an intended touch, and presented as such to the end-user. For example, an end-user using stylus 108 may rest his palm or arm on displays 101/102 to produce an unintended dot or line; which may be written before the palm rejection algorithm engages to reject touch events.
- the latency requirement may be used as a palm rejection configuration parameter. In operation, the latency requirement may be increased (a smaller time value), for instance, to increase the aggressiveness of the palm rejection algorithm; and reduced to decrease such aggressiveness.
- a touch processing algorithm or controller may select one or more exclusively active digitizer or touchscreen zones, areas, or portions of displays 101/102 where touch inputs, whether via stylus 108 or a user’s finger, are allowed. Other zones, areas, or portions of these displays’ respective digitizers or touchscreens may be turned off or otherwise rendered inactive or non-responsive during operation of displays 101/102, thus potentially saving energy and/or reducing latency.
- active and/or inactive digitizer or touchscreen zones, areas, or portions may include selectable vertical or horizontal sections of displays 101/102 that correspond to display pixels of displays 101/102; in other implementations, however, active and/or inactive digitizer zones may take other shapes and sizes.
- an identification of the active and/or inactive digitizer or touchscreen zones, areas, or portions may be used as a touch processing configuration parameter.
- displays 101/102 may be configured to engage a selected one of a plurality of different“touch layers” or“modes of touch” based on IHS posture—which may determine by detecting the special arrangement of displays 101/102 and/or the current angle of hinge 104, keyboard 103’s position, the end-user’s presence, and/or depending upon the end-user's handedness (which may be selected by the user via on-screen display menu).
- touch may be selectively ignored and/or palm rejection may be performed more aggressively in certain portions of displays 101/102 (e.g., around a peripheral frame of displays 101/102), for example, while IHS 100 is being moved or transported.
- touch points on the edges of displays 101/102 may not be registered as touch (e.g., for 20-30 milliseconds) in case there is a hinge movement or device movement ⁇ e.g., based on acceleration).
- Characteristics of touch input displays 101 and 102 include the accuracy of palm rejection and elimination of accidental touch inputs, which often requires different levels and types of palm rejection in different postures. Accordingly, various embodiments described herein provide different layers of touch in different postures to reach a suitable a trade-off between the effectiveness of palm rejection and responsiveness (or accuracy) of touch or gesture recognition across postures.
- method 500 may identify a display posture—that is, a relative physical arrangement between first display 101 and second display 102 using sensor data received from two 9-DOF sensors, one sensor in each of displays 101/102, and/or from a hinge sensor, to identify the posture of IHS 100, while a touch processing algorithm or controller 204 switches between palm rejection settings and parameters specific or optimized for the identified posture, based on the LUT or database.
- a display posture that is, a relative physical arrangement between first display 101 and second display 102 using sensor data received from two 9-DOF sensors, one sensor in each of displays 101/102, and/or from a hinge sensor, to identify the posture of IHS 100, while a touch processing algorithm or controller 204 switches between palm rejection settings and parameters specific or optimized for the identified posture, based on the LUT or database.
- Table I shows a non-limiting example of a palm rejection
- LUT (which may be used as LUT 2008 in FIG. 20A below).
- Table I palm rejection and finger touch/gesture detection settings or parameters for each of displays 101 and 102 are provided for each posture, depending upon the state of hinge 104 (where the hinge angle may be obtained via a hinge senor and/or 9-DOF sensors in each of displays 101/102) and/or of an accelerometer:
- FIGs. 20A and 20B show a flowchart of a method for providing automatically reconfigurable palm rejection and other touch input settings.
- method 2000 may be performed by multi-form factor configuration engine 401 under execution of processor 201. Particularly, method 2000A of FIG. 20A starts at block 2001.
- method 2000 gets motion information (e.g., speed, velocity, acceleration, etc.) and posture information (e.g., hinge angle, position of each display, etc.) from a sensor hub, or the like (e.g., part of chipset 202).
- Block 2003 determines, using the information of block 2002, whether IHS 100 is in presently motion with a speed or acceleration above a first threshold value T 1 (e.g., in m/s or m/s 2 ). If so, block 2004 executes method 2000B of FIG. 20B.
- block 2005 determines, also using the information of block 2002, whether hinge 104 has an angle that is presently changing faster than a second threshold value T1 (e.g., in radians/s or radians/s 2 ). If so, block 2006 may turn off touch features in both displays 101 and 102, for example, for the duration of the movement.
- a second threshold value T1 e.g., in radians/s or radians/s 2
- block 2007 sets palm rejection settings and/or parameters in different areas, zones, or portions of displays 101/102 to values stored in LUT table 2008 that correspond to the current posture.
- display or touch controller 204 may provide USB reporting to an OS input layer, which may then send commands to OS-level application(s) using Touch Class Input APIs, or the like.
- block 2002 may also detect the presence, position, and status of keyboard 103, including moving and removal events, for example, using the systems and methods of FIGs. 21A-C. Accordingly, digitizer or touchscreen zones, areas, or portions that correspond to the“top” and“bottom” portions of second display 102 (as discussed in Table I), may also be dynamically selected in response to the keyboard 103’s position, as described in FIGs. 22A-E.
- block 2004 of method 2000A causes method 2000B of FIG. 20B to start at block 2009.
- method 2000B may operate upon IHS 100, for example, as illustrated in FIG. 20C, which shows first frame area 2016A of configurable dimensions around the periphery of first display 101 , and second frame area 2016B of configurable dimensions around the periphery of second display 102, when IHS 100 is in a laptop posture.
- block 2009 determines whether touch is detected in frame areas 2016A and/or 2016B. If so, block 2010 sets a counter, timer, or countdown to an initial value N. At block 2011 , if the acceleration detected is above T2, or if the hinge angle is changing faster than T1 , control passes to block 2012, where method 200B rejects the touch event. Otherwise, at block 2013, the counter, timer, or countdown progresses. At block 2014, if the counter, timer, or countdown has not expired (that is, > 0), control returns to block 2011. Otherwise, at block 2015, method 200B accepts the touch event in frame area(s) 2016A/B.
- touch around frame area(s) 2016A/B may be automatically rejected.
- touch rejection may prevent all touch in first display 101’s frame area 2016A, but leave the remainder of display 101 touch sensitive, as well as the entire surface of second display 102.
- touch rejection may prevent all touch in second display 102’s frame area 2016B, but leave the remainder of display 102 touch sensitive, as well as the entire surface of first display 101.
- FIGs. 21A-C illustrate examples of keyboard attachment and alignment system(s). In various embodiments, these systems may be used during execution of methods 2000A-B of FIGs. 20A-B to provide automatically reconfigurable palm rejection settings for IHS 100 depending upon the status or position of keyboard 103.
- system(s) of FIGs. 21A-C may enable keyboard 103 to be attached to second display 102 (on the display surface, or on the back of display 102), and/or to be aligned on/off the surface of display 102, at predetermined locations.
- display and/or hinge sensors 210 may be configured to determine which of a plurality of magnetic devices are presently engaged, so that the current position of keyboard 103 may be ascertained with respect to IHS 100, and such that palm rejection settings may also be additionally or alternatively selected in response to the keyboard’s position, for example.
- FIG. 21 A illustrates an example of attachable keyboard 103 having magnetic devices 2009A, 2009B, 2009C, and 2009D symmetrically disposed along its short sides, at selected locations. Additionally, or alternatively, keyboard 103 may include magnetic devices 2009E and 2009F disposed alongside the top, long side of keyboard 103.
- FIG. 21 B illustrates an example of attachable keyboard 103 with stylus 108 coupled to stylus well 2105.
- stylus 108 may have a compressible tip mated to a hole in stylus well 2105 that is configured to mechanically hold stylus 108 in place alongside the long edge of keyboard 103.
- stylus 108 may include one or more magnetic devices 2100A and 2100B.
- FIG. 21 C illustrates an example of second display 102 configured for an attachable keyboard 103.
- display 102 includes magnetic devices 2103A, 2103B, 2103D, and 2103E, which correspond to magnetic devices 2009A, 2009B, 2009C, and 2009D on the bottom of keyboard 103, and which snap keyboard 103 into a predetermined place over the display surface of display 102, in a first position alongside the short side of display 102 that enables hinge 104 to close and to sandwich keyboard 103 between displays 101 and 102.
- display 102 may include magnetic devices 2103C and 2103F.
- magnetic devices 2103B, 2103C, 2103E, and 2103F which correspond to magnetic devices 2009A, 2009B, 2009C, and 2009D of keyboard 103, snap keyboard 103 into place over the display surface of display 102, in a second position alongside the short side of display 102 that enables rendering of first Ul feature 106 (e.g., ribbon area) and/or second Ul feature 107 (e.g., touchpad).
- first Ul feature 106 e.g., ribbon area
- second Ul feature 107 e.g., touchpad
- display 102 may include magnetic devices 2102A and 2102B, which correspond to magnetic devices 2009E and 2009F in keyboard 103 and/or magnetic devices 2100A and 2100B in stylus 108.
- magnetic devices 2102A and 2102B may be configured to snap keyboard 103 to the long edge of display 102, outside of its display surface.
- display 102 may include magnetic devices 2104A, 2104B, 2104C, and 2104D, which correspond to magnetic devices 2009A, 2009B, 2009C, and 2009D of keyboard 103, and cause keyboard 103 to snap to the back of display 102, for example, as part of accessory backpack system 1900 (FIG. 19).
- hinge 104 may also include stylus well 2106.
- stylus well 2106 may include at least one of magnetic devices 2101A and 2101 B, corresponding to magnetic devices 2009E and 2009F in keyboard 103 and/or magnetic devices 2100A and 2100B in stylus 108.
- magnetic devices 2101A and 2101 B may be configured to hold keyboard 103 and/or stylus 108 in place when keyboard 103 is sandwiched between displays 101 and 102.
- FIGs. 22A-E illustrate automatically reconfigurable touch areas, such as ribbon area 106 and touch input area 107, each with respective palm rejection settings that may be selected, configured, modified, provided or excluded, based upon the context in which IHS 100 is operating, such as its display posture and/or keyboard state/position.
- configuration 2200A has keyboard 103 absent, such that OSK 2204 is rendered between ribbon area 106 and touch input area 107.
- ribbon area 106 includes an“f-row interface” including three components: system bar 2203A-B, touch bar 2202, and activity bar 2201 A-B.
- System bar 2203A-B may include context-independent icon strip 2203B, having controls to provide direct access selected hardware or system components such as, for example, microphone muting, audio output volume, display brightness, etc.
- system bar 2203A- B may include context-dependent icon strip 2203A that presents context-based Ul features, such as word suggestions made dynamically and predictively as the user types individual letter caps on OSK 2204, etc.
- Touch bar 2202 may include contextually-selected icons or shortcuts to actions or commands associated with an active application rendered, for example, on first display 101.
- touch bar 2202 may include “compose,”“check,”“reply,”“reply all,”“forward,”“move,” and“delete” icons, or the like. Each icon, when selected by the user, may cause a corresponding Ul command to be received and executed by the active application.
- Activity bar 2203A-B may include any of a plurality of widgets or small-sized applications.
- activity bar strip 2203A may display a horizontally scrollable list of contextually-selected images or photographs
- activity bar strip 2204 may display a media player with album images and/or audio reproduction controls.
- Touch input area 107 includes three components: virtual touchpad 2205A, and scratchpad 2205B, and scratchpad 2205C.
- virtual touchpad 2205A may include a rectangular region below OSK 2204, optionally delineated by a visual outline (e.g., lighter shading or borders), with palm rejection controls selected or optimized for finger touch.
- lateral scratchpads 2205B-C may have palm rejection controls selected or optimized for stylus input (e.g., sketching, handwriting, etc.).
- key 2210 of OSK 2004 may be mapped to an operation that manipulates (e.g., displays, hides, moves, etc.) one or more GUI elements shown in configuration 2200A.
- manipulates e.g., displays, hides, moves, etc.
- a combination of two or more key presses, in a particular sequence and/or concurrently, may be required to trigger a shortcut command.
- configuration 2200B shows keyboard 103 atop second display 102 at a distance di from hinge 104.
- ribbon area 106 includes only system bar 2203A-B.
- the rendering of system bar 2203A-B may be performed upon sensing of distance di along the short side of second display 102, for example, as keyboard 103 is detected and/or aligned using a magnetic guide system (FIG. 21), or the like.
- the“top portion” of second display 102 may comprise ribbon area 106, and the“bottom portion” of second display 102 may comprise touch input area 107; which may be calculated based upon distance di and the physical dimensions of keyboard 103.
- virtual touchpad 2205D, scratchpad 2205E, and scratchpad 2205F may each have distinct palm rejection settings set out in an LUT or database.
- configuration 2200C has keyboard 103 at a distance d 2 > di from hinge 104, for example, as the user physically moves keyboard 103 down to a lower position along the short side of second display 102 during operation of IHS 100.
- ribbon area 106 includes both system bar 2203A-B and touch bar 2202, and touch input area 107 includes only virtual touchpad 2205G, within a modified or repositioned rectangular region on second display 102 (scratchpad areas 2205E-F have touch turned off).
- the“top portion” and/or the “bottom portion” of second display 102 may be calculated based upon distance d 2 (and the dimensions of keyboard 103).
- configuration 2200D has keyboard 103 at a distance d3 > d 2 from hinge 104.
- ribbon area 106 includes all of system bar 2203A-B, touch bar 2202, and activity bar 2201 A-B.
- touch input area 107 may be removed.
- the“top portion” and/or the“bottom portion” of second display 102 may be calculated based upon distance d3 (and the dimensions of keyboard 103).
- FIG. 22E depicts configuration 2200E, where first display 101 shows an application window and OS taskbar (or start menu) 2204, and second display 102 shows ribbon area 106, until the user manipulates keyboard 103, originally disposed on the display surface of second display 102.
- OS taskbar 2204 may generally assume the form of a long strip along one edge of display 101 , and it may include various icons which correspond to the windows open within an application, to facilitate switching between programs or windows,“pinning” programs or files so that they can be accessed quickly, and/or providing a notification area, which uses interactive icons to display real-time information about the state of IHS 100.
- palm rejection settings may be applied such that touch is turned off on the entire touchscreen of display 102, and/or on a selected portion of display 101 closest to display 102; in this case, an area, zone, or portion the digitizer or touchscreen corresponding to display pixels that show OS taskbar (or start menu) 2204.
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Abstract
Embodiments of a multi-form factor Information Handling System (IHS) with automatically reconfigurable palm rejection are described. In an illustrative, non-limiting embodiment, an IHS may include: a processor and a memory coupled to the processor, the memory having program instructions stored thereon that, upon execution by the processor, cause the IHS to: identify a posture of a second display relative to a first display; select a palm rejection setting corresponding to the posture; and apply the palm rejection setting to at least one of: the first display or the second display.
Description
MULTI-FORM FACTOR INFORMATION HANDLING SYSTEM (IHS) WITH AUTOMATICALLY RECONFIGURABLE PALM REJECTION
Field
[0001] This disclosure relates generally to Information Handling Systems (IHSs), and more specifically, to a multi-form factor IHS with automatically reconfigurable palm rejection.
Background
[0002] As the value and use of information continues to increase, individuals and businesses seek additional ways to process and store information. One option available to users is Information Handling Systems (IHSs). An IHS generally processes, compiles, stores, and/or communicates information or data for business, personal, or other purposes thereby allowing users to take advantage of the value of the information. Because technology and information handling needs and requirements vary between different users or applications, IHSs may also vary regarding what information is handled, how the information is handled, how much information is processed, stored, or communicated, and how quickly and efficiently the information may be processed, stored, or communicated. The variations in IHSs allow for IHSs to be general or configured for a specific user or specific use such as financial transaction processing, airline reservations, enterprise data storage, or global communications. In addition, IHSs may include a variety of hardware and software components that may be configured to process, store, and communicate information and may include one or more computer systems, data storage systems, and networking systems.
[0003] Nowadays, users can choose among many different types of mobile IHS devices. Each type of device (e.g., tablets, 2-in-1 s, mobile workstations, notebooks, netbooks, ultra-books, etc.) has unique portability, performance, and usability features; however, each also has its own trade-offs and limitations. For example, tablets have less compute power than notebooks and workstations, while notebooks and workstations lack the portability of tablets. A conventional 2- in-1 device combines the portability of a tablet with the performance of a notebook, but with a small display— an uncomfortable form factor in many use-cases.
[0004] The inventors hereof have determined that, as productivity continues to be a core tenet of modern computing, mobile IHS devices should provide versatility for many use-cases and
display postures in use today ( e.g ., tablet mode, laptop mode, etc.), as well as future display postures (e.g., digital notebooks, new work surfaces, etc.). Additionally, mobile IHS devices should provide larger display area with reduced size and weight.
[0005] Embodiments of a multi-form factor Information Handling System (IHS) with automatically reconfigurable palm rejection are described. In an illustrative, non-limiting embodiment, an IHS may include: a processor and a memory coupled to the processor, the memory having program instructions stored thereon that, upon execution by the processor, cause the IHS to: identify a posture of a second display relative to a first display; select a palm rejection setting corresponding to the posture; and apply the palm rejection setting to at least one of: the first display or the second display.
[0006] To identify the posture, the program instructions, upon execution by the processor, may cause the IHS to receive an indication of an angle of a hinge coupling the first display to the second display. The program instructions, upon execution by the processor, may cause the IHS to: identify a first range of angles as a closed posture; identify a second range of angles as a laptop posture; identify a third range of angles as a stand or tent posture; identify a fourth range of angles as a canvas posture; or identify a fifth range of angles as a tablet posture.
[0007] For example, the posture may be identified as the laptop posture in response to: the first display being placed at an obtuse angle with respect to the second display, and the second display being placed in a horizontal position with a display surface facing up. To apply the palm rejection setting, the program instructions, upon execution, may cause the IHS to: apply a first palm rejection setting to the first display; apply the first palm rejection setting to a top portion of the second display; and apply a second palm rejection setting that is more aggressive than the first palm rejection setting to a bottom portion of the second display. The top and bottom portions of the second display may be selected based upon a position of a keyboard disposed on top of the second display.
[0008] Additionally, or alternatively, the posture may be identified as the canvas posture in response to: the first display being placed at a straight angle with respect to the second display, and the first and second displays being placed in a horizontal position with first and second display surfaces facing up. To select the palm rejection setting, the program instructions, upon execution, may cause the IHS to: select a first palm rejection setting in response to a determination that the
canvas posture is in portrait mode; or select a second palm rejection setting in response to a determination that the canvas posture is in landscape mode.
[0009] Additionally, or alternatively, the posture may be identified as the tablet posture in response to: a first display surface of the first display being placed facing up, and a back surface of the first display being placed against a back surface of the second display. To apply the palm rejection setting, the program instructions, upon execution, may cause the IHS to turn off touch on the second display.
[0010] Additionally, or alternatively, the posture may be identified as the stand posture in response to the first display being placed at an acute angle with respect to the second display. Additionally, or alternatively, the posture may be identified as the tent posture in response to a first display surface of the first display being placed at an obtuse angle with respect to a second display surface of the second display.
[001 1] In some implementations, to identify the posture, the program instructions, upon execution by the processor, may cause the IHS to determine that the IHS is presently being moved or manipulated. The program instructions, upon execution by the processor, may also cause the I HS to turn off touch at least one of the first display or the second display while the I HS is being moved or manipulated. The program instructions, upon execution by the processor, may further cause the IHS to turn off touch in at least one of the first display or the second display in response to movement or manipulation having a velocity or acceleration above a threshold.
[0012] In some cases, to apply the palm rejection setting, the program instructions, upon execution by the processor, may cause the IHS to select a size and a position of a touch input area provided via the first or second displays.
[0013] In another illustrative, non-limiting embodiment, a method may include: identifying a posture of a second display relative to a first display; selecting a palm rejection setting corresponding to the posture; and applying the palm rejection setting to at least one of: the first display or the second display. For example, identifying the posture may include identifying an angle of a hinge coupling the first display to the second display.
[0014] In yet another illustrative, non-limiting embodiment, a hardware memory device may have program instructions stored thereon that, upon execution by a processor of an IHS, cause the IHS to: identify a posture of a second display relative to a first display; select a palm rejection
setting corresponding to the posture; and apply the palm rejection setting to at least one of: the first display or the second display. The program instructions, upon execution by the processor, may further cause the IHS to apply (i) a first palm rejection setting to a first portion of the second display and (ii) a second palm rejection setting to a second portion of the second display, where the first and second portions of the second display are selected based upon a position of a keyboard disposed on top of the second display.
Brief Description of the Drawings
[0015] The present invention(s) is/are illustrated by way of example and is/are not limited by the accompanying figures, in which like references indicate similar elements. Elements in the figures are illustrated for simplicity and clarity and have not necessarily been drawn to scale.
[0016] FIG. 1 is a perspective view of a multi-form factor Information Handling System (IHS) with a removable keyboard, according to some embodiments.
[0017] FIGs. 2 and 3 are block diagrams of components of the multi-form factor IHS and removable keyboard, respectively, according to some embodiments.
[0018] FIG. 4 is a block diagram of a multi-form factor configuration engine, according to some embodiments.
[0019] FIG. 5 is a flowchart of a method for configuring multi-form factor IHSs, according to some embodiments.
[0020] FIGs. 6A-C, 7A-J, 8A-D, and 9A-F illustrate examples of laptop, tablet, book, and display postures, respectively, according to some embodiments.
[0021] FIGs. 10A-C and 11A-C illustrate various use-cases, according to some embodiments.
[0022] FIGs. 12A-D, 13A, and 13B illustrate a first hinge implementation and a second hinge implementation, respectively, according to some embodiments.
[0023] FIG. 14 illustrates an accessory charging system, according to some embodiments.
[0024] FIGs. 15, 16A-C, 17A, and 17B illustrate a third hinge implementation, a fourth hinge implementation, and a fifth hinge implementation, respectively, according to some embodiments.
[0025] FIG. 18A and 18B illustrate a folio case system, according to some embodiments.
[0026] FIG. 19 illustrates an accessory backpack system, according to some embodiments.
[0027] FIGs. 20A-C illustrate a method for providing automatically reconfigurable palm rejection, according to some embodiments.
[0028] FIGs. 21A-C illustrate an example of a keyboard attachment and alignment system, according to some embodiments.
[0029] FIGs. 22A-E illustrate examples of automatically reconfigurable touch areas, each with respective palm rejection settings, according to some embodiments.
Detailed Description
[0030] To facilitate explanation of the various systems and methods discussed herein, the following description has been split into sections. It should be noted, however, that any sections, headings, and subheadings used herein are for organizational purposes only, and are not meant to limit or otherwise modify the scope of the description nor the claims.
[0031] Overview
[0032] Embodiments described herein provide a multi-form factor Information Handling System (IHS) with automatically reconfigurable palm rejection. In various implementations, a mobile IHS device may include a dual-display, foldable IHS. Each display may include, for example, a Liquid Crystal Display (LCD), Organic Light-Emitting Diode (OLED), or Active Matrix OLED (AMOLED) panel or film, equipped with a touchscreen configured to receive touch inputs. The dual-display, foldable I HS may be configured by a user in any of a number of display postures, including, but not limited to: laptop, tablet, book, clipboard, stand, tent, and/or display.
[0033] A user may operate the dual-display, foldable IHS in various modes using a virtual, On-Screen Keyboard (OSK), or a removable, physical keyboard. In some use cases, a physical keyboard may be placed atop at least one of the screens to enable use of the IHS as a laptop, with additional User Interface (Ul) features (e.g., virtual keys, touch input areas, etc.) made available via the underlying display, around the keyboard. In other use cases, the physical keyboard may be placed in front of the IHS to expose a larger display area. The user may also rotate the dual-display, foldable IHS, to further enable different modalities with the use of the
physical keyboard. In some cases, when not in use, the physical keyboard may be placed or stored inside the dual-display, foldable IHS.
[0034] FIG. 1 is a perspective view of multi-form factor Information Handling System (IHS) 100 with removable keyboard 103. As shown, first display 101 is coupled to second display 102 via hinge 104, and keyboard 103 sits atop second display 102. The current physical arrangement of first display 101 and second display 102 creates a laptop posture, such that first display 101 becomes primary display area 105 presented by IHS 100, where video or display frames may be rendered for viewing by a user.
[0035] In operation, in this particular laptop posture, second display 102 may sit horizontally on a work surface with its display surface facing up, and keyboard 103 may be positioned on top of second display 102, occluding a part of its display surface. In response to this posture and keyboard position, IHS 100 may dynamically produce a first Ul feature in the form of at least one configurable secondary display area 106 (a“ribbon area” or“touch bar”), and/or a second Ul feature in the form of at least one configurable touch input area 107 (a“virtual trackpad”), using the touchscreen of second display 102.
[0036] To identify a current posture of IHS 100 and a current physical relationship or spatial arrangement (e.g., distance, position, speed, etc.) between display(s) 101/102 and keyboard 103, IHS 100 may be configured to use one or more sensors disposed in first display 101 , second display 102, keyboard 103, and/or hinge 104. Based upon readings from these various sensors, IHS 100 may then select, configure, modify, and/or provide (e.g., content, size, position, etc.) one or more Ul features.
[0037] In various embodiments, displays 101 and 102 may be coupled to each other via hinge 104 to thereby assume a plurality of different postures, including, but not limited, to: laptop, tablet, book, or display.
[0038] When display 102 is disposed horizontally in laptop posture, keyboard 103 may be placed on top of display 102, thus resulting in a first set of Ul features (e.g., ribbon area or touch bar 106, and/or touchpad 107). Otherwise, with IHS 100 still in the laptop posture, keyboard 103 may be placed next to display 102, resulting in a second set of Ul features.
[0039] As used herein, the term“ribbon area” or“touch bar” 106 refers to a dynamic horizontal or vertical strip of selectable and/or scrollable items, which may be dynamically selected for
display and/or IHS control depending upon a present context, use-case, or application. For example, when IHS 100 is executing a web browser, ribbon area or touch bar 106 may show navigation controls and favorite websites. Then, when IHS 100 operates a mail application, ribbon area or touch bar 106 may display mail actions, such as replying or flagging. In some cases, at least a portion of ribbon area or touch bar 106 may be provided in the form of a stationary control strip, providing access to system features such as brightness and volume. Additionally, or alternatively, ribbon area or touch bar 106 may enable multitouch, to support two or more simultaneous inputs.
[0040] In some cases, ribbon area 106 may change position, location, or size if keyboard 103 is moved alongside a lateral or short edge of second display 102 (e.g. , from horizontally displayed alongside a long side of keyboard 103 to being vertically displayed alongside a short side of keyboard 103). Also, the entire display surface of display 102 may show rendered video frames if keyboard 103 is moved alongside the bottom or long edge of display 102. Conversely, if keyboard 103 is removed of turned off, yet another set of Ul features, such as an OSK, may be provided via display(s) 101/102. As such, in many embodiments, the distance and/or relative position between keyboard 103 and display(s) 101/102 may be used to control various aspects the Ul.
[0041] During operation, the user may open, close, flip, swivel, or rotate either of displays 101 and/or 102, via hinge 104, to produce different postures. In each posture, a different arrangement between IHS 100 and keyboard 103 results in different Ul features being presented or made available to the user. For example, when second display 102 is folded against display 101 so that the two displays have their backs against each other, IHS 100 may be said to have assumed a canvas posture (e.g., FIGs. 7A-F), a tablet posture (e.g., FIG. 7G-J), a book posture (e.g., FIG. 8D), a stand posture (e.g., FIGs. 9A and 9B), or a tent posture (e.g., FIGs. 9C and 9D), depending upon whether IHS 100 is stationary, moving, horizontal, resting at a different angle, and/ or its orientation (landscape vs. portrait).
[0042] In many of these scenarios, placement of keyboard 103 upon or near display(s) 101/102, and subsequent movement or removal, may result in a different set of Ul features than when IHS 100 is in laptop posture.
[0043] In many implementations, different types of hinges 104 may be used to achieve and maintain different display postures, and to support different keyboard arrangements. Examples
of suitable hinges 104 include, but are not limited to: a 360-hinge (FIGs. 12A-D), a jaws hinge (FIGs. 13A and 13B), a yoga hinge (FIG. 15), a gear hinge (FIGs. 16A-C), and a slide hinge (FIGs. 17A and 17B). One or more of these hinges 104 may include wells or compartments (FIG. 14) for docking, cradling, charging, or storing accessories. Moreover, one or more aspects of hinge 104 may be monitored via one or more sensors (e.g., to determine whether an accessory is charging) when controlling the different Ul features.
[0044] In some cases, a folio case system (FIGs. 18A and 18B) may be used to facilitate keyboard arrangements. Additionally, or alternatively, an accessory backpack system (FIG. 19) may be used to hold keyboard 103 and/or an extra battery or accessory.
[0045] For purposes of this disclosure, an IHS may include any instrumentality or aggregate of instrumentalities operable to compute, calculate, determine, classify, process, transmit, receive, retrieve, originate, switch, store, display, communicate, manifest, detect, record, reproduce, handle, or utilize any form of information, intelligence, or data for business, scientific, control, or other purposes. For example, an IHS may be a personal computer (e.g., desktop or laptop), tablet computer, mobile device (e.g., Personal Digital Assistant (PDA) or smart phone), server (e.g., blade server or rack server), a network storage device, or any other suitable device and may vary in size, shape, performance, functionality, and price. An IHS may include Random Access Memory (RAM), one or more processing resources such as a Central Processing Unit (CPU) or hardware or software control logic, Read-Only Memory (ROM), and/or other types of nonvolatile memory. Additional components of an IHS may include one or more disk drives, one or more network ports for communicating with external devices as well as various I/O devices, such as a keyboard, a mouse, touchscreen, and/or a video display. An IHS may also include one or more buses operable to transmit communications between the various hardware components.
[0046] FIG. 2 is a block diagram of components 200 of multi-form factor IHS 100. As depicted, components 200 include processor 201. In various embodiments, IHS 100 may be a single processor system, or a multi-processor system including two or more processors. Processor 201 may include any processor capable of executing program instructions, such as a PENTIUM series processor, or any general-purpose or embedded processors implementing any of a variety of Instruction Set Architectures (ISAs), such as an x86 ISA or a Reduced Instruction Set Computer (RISC) ISA (e.g., POWERPC, ARM, SPARC, MIPS, etc.).
[0047] IHS 100 includes chipset 202 coupled to processor 201. In certain embodiments,
chipset 202 may utilize a QuickPath Interconnect (QPI) bus to communicate with processor 201. In various embodiments, chipset 202 may provide processor 201 with access to a number of resources. Moreover, chipset 202 may be coupled to communication interface(s) 205 to enable communications via various wired and/or wireless networks, such as Ethernet, WiFi, BLUETOOTH, cellular or mobile networks ( e.g ., CDMA, TDMA, LTE, etc.), satellite networks, or the like. For example, communication interface(s) 205 may be coupled to chipset 202 via a PCIe bus.
[0048] Chipset 202 may be coupled to display controller(s) 204, which may include one or more or graphics processor(s) (GPUs) on a graphics bus, such as an Accelerated Graphics Port (AGP) or Peripheral Component Interconnect Express (PCIe) bus. As shown, display controller(s) 204 provide video or display signals to first display device 101 and second display device 202. In other implementations, any number of display controller(s) 204 and/or display devices 101/102 may be used.
[0049] Each of display devices 101 and 102 may include a flexible display that is deformable (e.g., bent, folded, rolled, or stretched) by an external force applied thereto. For example, display devices 101 and 102 may include LCD, OLED, or AMOLED, plasma, electrophoretic, or electrowetting panel(s) or film(s). Each display device 101 and 102 may include a plurality of pixels arranged in a matrix, configured to display visual information, such as text, two-dimensional images, video, three-dimensional images, etc.
[0050] Display device(s) 101/102 may be configured to sense haptic and/or physical touch events, and to generate touch information. To this end, display device(s) 101/102 may include a touchscreen matrix (e.g., a layered capacitive panel or the like) and/or touch controller configured to receive and interpret multi-touch gestures from a user touching the screen with a stylus or one or more fingers. In some cases, display and touch control aspects of display device(s) 101/102 may be collectively operated and controlled by display controller(s) 204.
[0051] In some cases, display device(s) 101/102 may also comprise a deformation or bending sensor configured to generate deformation or bending information including, but not limited to: the bending position of a display (e.g., in the form of a“bending line” connecting two or more positions at which bending is detected on the display), bending direction, bending angle, bending speed, etc. In these implementations, display device(s) 101/102 may be provided as a single continuous display, rather than two discrete displays.
[0052] Chipset 202 may also provide processor 201 and/or display controller(s) 204 with access to memory 203. In various embodiments, system memory 203 may be implemented using any suitable memory technology, such as static RAM (SRAM), dynamic RAM (DRAM) or magnetic disks, or any nonvolatile/Flash-type memory, such as a solid-state drive (SSD) or the like. Memory 203 may store program instructions that, upon execution by processor 201 and/or controller(s) 204, present a Ul interface to a user of IHS 100.
[0053] Chipset 202 may further provide access to one or more hard disk and/or solid-state drives 207. In certain embodiments, chipset 202 may also provide access to one or more optical drives or other removable-media drives. In certain embodiments, chipset 202 may also provide access to one or more Universal Serial Bus (USB) ports 208.
[0054] Upon booting of IHS 100, processor(s) 201 may utilize Basic Input/Output System (BIOS) 209 instructions to initialize and test hardware components coupled to IHS 100 and to load an Operating System (OS) for use by IHS 100. BIOS 209 provides an abstraction layer that allows the OS to interface with certain hardware components that are utilized by IHS 100. Via the hardware abstraction layer provided by BIOS 209, software stored in memory 203 and executed by the processor(s) 201 of IHS 100 is able to interface with certain I/O devices that are coupled to the IHS 100. The Unified Extensible Firmware Interface (UEFI) was designed as a successor to BIOS. As a result, many modern IHSs utilize UEFI in addition to or instead of a BIOS. As used herein, BIOS is intended to also encompass UEFI.
[0055] Chipset 202 may also provide access to one or more user input devices 206, for example, using a super I/O controller or the like. For instance, chipset 202 may provide access to a keyboard (e.g., keyboard 103), mouse, trackpad, stylus, totem, or any other peripheral input device, including touchscreen displays 101 and 102. These input devices may interface with chipset 202 through wired connections (e.g., in the case of touch inputs received via display controller(s) 204) or wireless connections (e.g., via communication interfaces(s) 205). In some cases, chipset 202 may be used to interface with user input devices such as keypads, biometric scanning devices, and voice or optical recognition devices.
[0056] In certain embodiments, chipset 202 may also provide an interface for communications with one or more sensors 210. Sensors 210 may be disposed within displays 101/102 and/or hinge 104, and may include, but are not limited to: electric, magnetic, radio, optical, infrared,
thermal, force, pressure, acoustic, ultrasonic, proximity, position, deformation, bending, direction, movement, velocity, rotation, and/or acceleration sensor(s).
[0057] FIG. 3 is a block diagram of components 300 of keyboard IHS 103. As depicted, components 300 include keyboard controller or processor 301 , coupled to keyboard sensor(s) 303 and wireless communication module 302. In various embodiments, keyboard controller 301 may be configured to detect keystrokes made by user upon a keyboard matrix, and it may transmit those keystrokes to IHS 100 via wireless module 302 using a suitable protocol (e.g., BLUETOOTH). Keyboard sensors 303, which may also include any of the aforementioned types of sensor(s), may be disposed under keys and/or around the keyboard’s enclosure, to provide information regarding the location, arrangement, or status of keyboard 103 to IHS 100 via wireless module 302.
[0058] In various embodiments, IHS 100 and/or keyboard 103 may not include all of components 200 and/or 300 shown in FIGs. 2 and 3, respectively. Additionally, or alternatively, IHS 100 and/or keyboard 103 may include components in addition to those shown in FIGs. 2 and 3, respectively. Additionally, or alternatively, components 200 and/or 300, represented as discrete in FIGs. 2 and 3, may be integrated with other components. For example, all or a portion of the functionality provided by components 200 and/or 300 may be provided as a System-On- Chip (SOC), or the like.
[0059] FIG. 4 is a block diagram of multi-form factor configuration engine 401. Particularly, multi-form factor configuration engine 401 may include electronic circuits and/or program instructions that, upon execution, cause IHS 100 to perform a number of operation(s) and/or method(s) described herein.
[0060] In various implementations, program instructions for executing multi-form factor configuration engine 401 may be stored in memory 203. For example, engine 401 may include one or more standalone software applications, drivers, libraries, or toolkits, accessible via an Application Programming Interface (API) or the like. Additionally, or alternatively, multi-form factor configuration engine 401 may be included the IHS’s OS.
[0061] In other embodiments, however, multi-form factor configuration engine 401 may be implemented in firmware and/or executed by a co-processor or dedicated controller, such as a Baseband Management Controller (BMC), or the like.
[0062] As illustrated, multi-form factor configuration engine 401 receives Graphical User Interface (GUI) input or feature 402, and produces GUI output or feature 403, in response to receiving and processing one or more or: display sensor data 406, hinge sensor data 407, and/or keyboard sensor data 408. Additionally, or alternatively, multi-form factor configuration engine 401 may produce touch control feature 404 and/or other commands 405.
[0063] In various embodiments, GUI input 402 may include one or more images to be rendered on display(s) 101/102, and/or one or more entire or partial video frames. Conversely, GUI output 403 may include one or more modified images (e.g., different size, color, position on the display, etc.) to be rendered on display(s) 101/102, and/or one or more modified entire or partial video frames.
[0064] For instance, in response to detecting, via display and/or hinge sensors 406/407, that IHS 100 has assumed a laptop posture from a closed or“off” posture, GUI OUT 403 may allow a full-screen desktop image, received as GUI IN 402, to be displayed first display 101 while second display 102 remains turned off or darkened. Upon receiving keyboard sensor data 408 indicating that keyboard 103 has been positioned over second display 102, GUI OUT 403 may produce a ribbon-type display or area 106 around the edge(s) of keyboard 103, for example, with interactive and/or touch selectable virtual keys, icons, menu options, pallets, etc. If keyboard sensor data 408 then indicates that keyboard 103 has been turned off, for example, GUI OUT 403 may produce an OSK on second display 102.
[0065] Additionally, or alternatively, touch control feature 404 may be produced to visually delineate touch input area 107 of second display 102, to enable its operation as a user input device, and to thereby provide an Ul interface commensurate with a laptop posture. Touch control feature 404 may turn palm or touch rejection on or off in selected parts of display(s) 101/102. Also, GUI OUT 403 may include a visual outline displayed by second display 102 around touch input area 107, such that palm or touch rejection is applied outside of the outlined area, but the interior of area 107 operates as a virtual trackpad on second display 102.
[0066] Multi-form factor configuration engine 401 may also produce other commands 405 in response to changes in display posture and/or keyboard sate or arrangement, such as commands to turn displays 101/102 on or off, enter a selected power mode, charge or monitor a status of an accessory device (e.g., docked in hinge 104), etc.
[0067] FIG. 5 is a flowchart of method 500 for configuring multi-form factor IHSs. In various embodiments, method 500 may be performed by multi-form factor configuration engine 401 under execution of processor 201. At block 501 , method 500 includes identifying a display posture— that is, a relative physical arrangement between first display 101 and second display 102. For example, block 501 may use sensor data received from displays 101/102 and/or hinge 104 to distinguish among the various postures shown below.
[0068] At block 502, method 500 selects a Ul feature corresponding to the identified posture. Examples of Ul features include, but are not limited to: turning a display on or off; displaying a full or partial screen GUI; displaying a ribbon area; providing a virtual trackpad area; altering touch control or palm rejection settings; adjusting the brightness and contrast of a display; selecting a mode, volume, and/or or directionality of audio reproduction; etc.
[0069] At block 503, method 500 may detect the status of keyboard 103. For example, block 503 may determine that keyboard 103 is on or off, resting between two closed displays, horizontally sitting atop display(s) 101/102, or next to display(s) 101/102. Additionally, or alternatively, block 503 may determine the location or position of keyboard 103 relative to display 102, for example, using Cartesian coordinates. Additionally, or alternatively, block 503 may determine an angle between keyboard 103 and displays 101/102 (e.g., a straight angle if display 102 is horizontal, or a right angle if display 102 is vertical).
[0070] Then, at block 504, method 500 may modify the Ul feature in response to the status of keyboard 103. For instance, block 504 may cause a display to turn on or off, it may change the size or position of a full or partial screen GUI or a ribbon area, it may change the size or location of a trackpad area with changes to control or palm rejection settings, etc. Additionally, or alternatively, block 504 may produce a new interface feature or remove an existing feature, associated with a display posture, in response to any aspect of the keyboard status meeting a selected threshold of falling within a defined range of values.
[0071] FIGs. 6A-C, 7A-J, 8A-D, and 9A-F illustrate examples of laptop, tablet, book, and display postures which may be detected by operation of block 501 of method 500 during execution of multi-form factor configuration engine 401 by IHS 100.
[0072] Particularly, FIGs. 6A-C show a laptop posture, where a first display surface of first display 101 is facing the user at an obtuse angle with respect to a second display surface of second display 102, and such that second display 102 is disposed in a horizontal position, with
the second display surface facing up. In FIG. 6A, state 601 shows a user operating IHS 100 with a stylus or touch on second display 102. In FIG. 6B, state 602 shows IHS 100 with keyboard 103 positioned off the bottom edge or long side of second display 102, and in FIG. 6C, state 603 shows the user operating keyboard 103 atop second display 102.
[0073] FIGs. 7A-J show a tablet posture, where first display 101 is at a straight angle with respect to second display 102, such that first and second displays 101 and 102 are disposed in a horizontal position, with the first and second display surfaces facing up. Specifically, FIG. 7A shows state 701 where IHS 100 is in a side-by-side, portrait orientation without keyboard 103, FIG. 7B shows state 702 where keyboard 103 is being used off the bottom edges or short sides of display(s) 101/102, and FIG. 7C shows state 703 where keyboard 103 is located over both displays 101 and 102. In FIG. 7D, state 704 shows IHS 100 in a side-by-side, landscape configuration without keyboard 103, in FIG. 7E state 705 shows keyboard 103 being used off the bottom edge or long side of second display 102, and in FIG. 7F state 706 shows keyboard 103 on top of second display 102.
[0074] In FIG. 7G, state 707 shows first display 101 rotated around second display 102 via hinge 104 such that the display surface of second display 102 is horizontally facing down, and first display 101 rests back-to-back against second display 102, without keyboard 103; and in FIG. 7H, state 708 shows the same configuration, but with keyboard 103 placed off the bottom or long edge of display 102. In FIGs. 7I and 7J, states 709 and 710 correspond to states 707 and 708, respectively, but with IHS 100 in a portrait orientation.
[0075] FIG. 8A-D show a book posture, similar to the tablet posture of FIGs. 7A-J, but such that neither one of displays 101 or 102 is horizontally held by the user and/or such that the angle between the display surfaces of the first and second displays 101 and 102 is other than a straight angle. In FIG. 8A, state 801 shows dual-screen use in portrait orientation, in FIG. 8B state 802 shows dual-screen use in landscape orientation, in FIG. 8C state 803 shows single-screen use in landscape orientation, and in FIG. 8D state 804 shows single-screen use in portrait orientation.
[0076] FIGs. 9A-F show a display posture, where first display 100 is at an acute angle with respect to second display 102, and/or where both displays are vertically arranged in a portrait orientation. Particularly, in FIG. 9A state 901 shows a first display surface of first display 102 facing the user and the second display surface of second display 102 horizontally facing down in a stand configuration (“stand”), whereas in FIG. 9B state 902 shows the same stand configuration
but with keyboard 103 used off the bottom edge or long side of display 101. In FIG. 9C, state 903 shows a display posture where display 102 props up display 101 in a tent configuration (“tent”), and in FIG. 9D, state 904 shows the same tent configuration but with keyboard 103 used off the bottom edge or long side of display 101. In FIG. 9E, state 905 shows both displays 101 and 102 resting vertically or at display angle, and in FIG. 9F state 906 shows the same configuration but with keyboard 103 used off the bottom edge or long side of display 101.
[0077] It should be noted that the aforementioned postures, and their various respective keyboard states, are described for sake of illustration. In different embodiments, however, other postures and keyboard states may be used, for example, depending upon the type of hinge coupling the displays, the number of displays used, or other accessories. For instance, when IHS 100 is chargeable via a charging or docking station, the connector in the docking station may be configured to hold IHS 100 at angle selected to facility one of the foregoing postures (e.g., keyboard states 905 and 906).
[0078] FIGs. 10A-C illustrate a first example use-case of method 500 in the context of a laptop posture. In state 1000A of FIG. 10A, first display 101 shows primary display area 1001 , keyboard 103 sits atop second display 102, and second display 102 provides Ul features such as first ribbon area 1002 (positioned between the top long edge of keyboard 103 and hinge 104) and touch area 1003 (positioned below keyboard 103). As keyboard 103 moves up or down on the surface of display 102, ribbon area 1002 and/or touch area 1003 may dynamically move up or down, or become bigger or smaller, on second display 102. In some cases, when keyboard 103 is removed, a virtual OSK may be rendered (e.g., at that same location) on the display surface of display 102.
[0079] In state 1000B of FIG. 10B, in response to execution of method 500 by multi-form factor configuration engine 401 , first display 101 continues to show main display area 1001 , but keyboard 103 has been moved off of display 102. In response, second display 102 now shows secondary display area 1004 and also second ribbon area 1005. In some cases, second ribbon area 1005 may include the same Ul features (e.g., icons, etc.) as also shown in area 1002, but here repositioned to a different location of display 102 nearest the long edge of keyboard 103. Alternatively, the content of second ribbon area 1005 may be different from the content of first ribbon area 1002.
[0080] In state 1000C of FIG. 10C, during execution of method 500 by multi-form factor configuration engine 401 , IHS 100 detects that physical keyboard 103 has been removed (e.g., out of wireless range) or turned off (e.g., low battery), and in response display 102 produces a different secondary display area 1006 (e.g., smaller than 1004), as well as OSK 1007.
[0081] FIGs. 1 1A-C illustrate a second example use-case of method 500 in the context of a tablet posture. In state 1 100A of FIG. 1 1A, second display 102 has its display surface facing up, and is disposed back-to-back with respect to second display 102, as in states 709/710, but with keyboard 103 sitting atop second display 102. In this state, display 102 provides Ul features such primary display area 1101 and first ribbon area 1102, positioned as shown. As keyboard 103 is repositioned up or down on the surface of display 102, display area 1101 , first ribbon area 1 102, and/or touch area 1103 may also be moved up or down, or made bigger or smaller, by multi-form factor configuration engine 401.
[0082] In state 1100B of FIG. 11 B, keyboard 103 is detected off of the surface of display 102. In response, first display 101 shows modified main display area 1 103 and modified ribbon area 1104. In some cases, modified ribbon area 1104 may include the same Ul features as area 1102, but here repositioned to a different location of display 102 nearest the long edge of keyboard 103. Alternatively, the content of second ribbon area 1 104 may be different from the content of first ribbon area 1 102. In some cases, the content and size of modified ribbon area 1104 may be selected in response to a distance between keyboard 103 and display 102.
[0083] In state 1100C of FIG. 1 1 C, during continued execution of method 500, multi-form factor configuration engine 401 detects that physical keyboard 103 has been removed or turned off, and in response display 102 produces yet another display area 1 105 (e.g., larger than 1003 or 1002), this time without an OSK.
[0084] In various embodiments, the different Ul behaviors discussed in the aforementioned use-cases may be set, at least in part, by policy and/or profile, and stored in a preferences database for each user. In this manner, Ul features and modifications of blocks 502 and 504, such as whether touch input area 1003 is produced in state 1000A (and/or its size and position on displays 101/102), or such as whether ribbon area 1102 is produced in state 1 100A (and/or its size and position on displays 101/102), may be configurable by a user.
[0085] FIGs. 12A-D illustrate a 360-hinge implementation, usable as hinge 104 in IHS 100, in four different configurations 1200A-D, respectively. Particularly, 360-hinge 104 may include a
plastic, acrylic, polyamide, polycarbonate, elastic, and/or rubber coupling, with one or more internal support, spring, and/or friction mechanisms that enable a user to rotate displays 101 and 102 relative to one another, around the axis of 360-hinge 104.
[0086] Hinge configuration 1200A of FIG. 12A may be referred to as a closed posture, where at least a portion of a first display surface of the first display 101 is disposed against at least a portion of a second display surface of the second display 102, such that the space between displays 101/102 accommodates keyboard 103. When display 101 is against display 102, stylus or accessory 108 may be slotted into keyboard 103. In some cases, stylus 108 may have a diameter larger than the height of keyboard 103, so that 360-hinge 104 wraps around a portion of the circumference of stylus 108 and therefore holds keyboard 103 in place between displays 101/102.
[0087] Hinge configuration 1200B of FIG. 12B shows a laptop posture between displays 101/102. In this case, 360-hinge 104 holds first display 101 up, at an obtuse angle with respect to first display 101. Meanwhile, hinge configuration 1200C of FIG. 12C shows a tablet, book, or display posture (depending upon the resting angle and/or movement of IHS 100), with 360-hinge 104 holding first and second displays 101/102 at a straight angle (180°) with respect to each other. And hinge configuration 1200D of FIG. 12D shows a tablet or book configuration, with 360-hinge 104 holding first and second displays 101 and 102 at a 360° angle, with their display surfaces in facing opposite directions.
[0088] FIGs. 13A and 13B illustrate a jaws hinge implementation, usable as hinge 104 in IHS 100, in two different configurations 1300A and 1300B. Specifically, jaws hinge 104 has two rotation axes, parallel to each other, one axis for each respective one of displays 101/102. A solid bar element 104 between the two rotation axes may be configured to accommodate docking compartment 1301 for stylus 108, audio speaker(s) 1302 (e.g., monaural, stereo, a directional array), and one or more ports 1303 (e.g., an audio in/out jack).
[0089] Hinge configuration 1300A of FIG. 13A shows the laptop posture. In this case, jaws hinge 104 holds first display 101 up, at an obtuse angle with respect to second display 102. In contrast, hinge configuration 1300B of FIG. 13B shows a tablet or book posture, with jaws hinge 104 holding first and second displays 101 and 102 at a 360° angle with respect to each other, with keyboard 103 stored in between displays 101 and 102, in a back-to-back configuration, such that stylus 108 remains accessible to the user.
[0090] FIG. 14 illustrates accessory charging system 1400, with accessory wells 1301 and 1401 shown on hinge 104 that couples first display 101 to second display 102. In various embodiments, accessory wells 1301 and 1401 may be formed of molded or extruded plastic. In this example, accessory well 1301 is shaped to hold pen or stylus 108, and accessory well 1401 is shaped to hold earbud 109. In some implementations, wells 1301 and/or 1401 may include electrical terminals for charging a battery within the accessory, and/or to check a status of the accessory (e.g., presence, charge level, model or name, etc.).
[0091] FIG. 15 illustrates a yoga hinge implementation, usable as hinge 104 in IHS 100, in configuration 1500. Specifically, yoga hinge 104 comprises a plurality of metal cylinders or rods, with axes parallel to each other, held together by bracket 1503 and/or fabric 1501. In operation, bracket 1503 may include notches and/or detents configured to hold cylinders 1502 at predetermined positions corresponding to any available IHS posture.
[0092] FIGs. 16A-C illustrate a gear hinge implementation, usable as hinge 104 in IHS 100, in configurations 1600A-C. Specifically, configuration 1600A of FIG. 16A shows gear hinge 104 with bar 1603 having teeth or gears 1604 fabricated thereon, as IHS 100 begins to assume a laptop posture. Display 101 has teeth or gears 1601 alongside its bottom edge, whereas display 102 has teeth or gears 1602 alongside its top edge. Bracket(s) 1605 hold gears 1601 and/or 1602 against gear 1604, therefore provides two parallel rotation axes between displays 101 and 102.
[0093] Hinge configuration 1600B of FIG. 16B shows a closed posture. In this case, gear hinge 104 holds display 101 facing down, and display 102 is rotated 360° degrees with respect to display 101 , so that its display surface faces up against display 101. In this configuration, keyboard 103 may sit under display 102, for example, to cause display 102 to rest at an angle when IHS 100 is placed in laptop posture. In some cases, keyboard 103 may be coupled to the back of display 102 using an accessory backpack or the like, as shown in FIG. 19.
[0094] Hinge configuration 1600C of FIG. 16C shows a tablet or book posture. In this case, gear hinge 104 holds display 102 facing up, and display 101 is rotated 360° degrees with respect to display 102, so that its display surface faces down against the horizontal plane. In this configuration, keyboard 103 rests between the back of display 101 and the back of display 102. In various embodiments, bar 1603 may be split into a plurality of segments or links, as shown in
configurations 1600B and 1600C, to provide additional axes of rotation between displays 101 and 102, and to accommodate both keyboard options with different IHS thicknesses.
[0095] FIGs. 17A and 17B illustrate a slide hinge implementation, usable as hinge 104 in IHS 100, in various configurations. Specifically, in FIG. 17A, link 1701 , held by first display bracket 1702 coupled to display 101 , slides up and down slot 1704 of bracket 1703 coupled to display 102. In some cases, a locking mechanism may be employed to stably hold displays 101 and 102 in different postures, as link 1701 slides up and down and/or as display 101 rotates around display 102, such as the closed posture of configuration 1700A, the laptop posture of configuration 1700B in FIG. 17B, the tablet posture of configuration 1700C (back to FIG. 17A), or the book posture of configuration 1700D (also in FIG. 17A).
[0096] FIGs. 18A and 18B illustrate a folio case system in configurations 1800A and 1800B, according to some embodiments. Specifically, folio case 1801 may include a set of hard foldable sections or flaps wrapped in fabric and/or plastic, with snapping magnetic attachment points, for example, around the edge on the back of displays 101 and 102, and/or keyboard 103. In some cases, keyboard 103 may be removable from case 1801. Additionally, or alternatively, the presence and state of case 1801 may be detectable via sensors 303.
[0097] In configuration 1800A in FIG. 18A, displays 101 and 102 are in a laptop posture, and folio case 1801 holds keyboard 103 in a fixed position, off the bottom edge or long side of display 102, such that both displays 101 and 102 remain usable. Meanwhile, configuration 1800B of FIG. 18B shows a display posture (e.g., as in state 901), such that the display surface of display 102 is facing down against folio case 1802, and folio case 1802 holds keyboard 103 in af fixed location, off the bottom edge of display 101 , and such that only display 101 is usable.
[0098] FIG. 19 illustrates accessory backpack system 1900. In some embodiments, the enclosure of display 102 may include notches 1903 configured to receive lip 1902 of tray 1901 , which stays snapped in place until pulled by the user. Additionally, or alternatively, a spring- loaded ejection button may be used. In various configurations, tray 1901 may hold keyboard 103 or battery 110. Moreover, in some cases, the enclosure of display 102 may include electrical terminals usable to charge and/or obtain sensor information from accessories.
[0099] Automatically Reconfiqurable Palm Rejection
[00100] In various embodiments, systems and methods described herein may provide posture- aware, automatic palm rejection configuration for displays 101 and/or 102 of IHS 100. During operation of IHS 100, the user may transition or manipulate displays 101 and 102 into a given posture (e.g., laptop, tablet, etc.), for instance, using hinge 104. In response to a change in hinge angle, for example, IHS 100 may automatically configure touch rejection setting(s) or parameter(s) in one or more touch input areas and/or layers, specifically for the detected posture.
[00101] Palm rejection settings may also be reconfigured, for instance, based on the placement of physical keyboard 103. As the user moves keyboard 103 to different positions on the display surface of second display 102, IHS 100 may modify palm rejection parameters in one or more touch input areas and/or layers.
[00102] In an embodiment, a user may manually configure one or more posture-dependent, event-specific touch configuration behaviors. In another embodiment, a software service may detect: posture changes, movement, placement of keyboard, user configuration changes (e.g., user brings up OSK mode), totem placed on display, active application/context, etc., and it may execute any number of corresponding automatic palm rejection settings and touch input reconfiguration actions, for example, as provided in a look-up table (LUT) or database.
[00103] In some embodiments, first display 101 and second display 102 may each include different“touch layers” or modes of operation, and systems and methods described herein provide techniques for automatically and/or seamlessly switching between those layers in the absence of explicit end-user commands or actions. Each touch layer may include a number of settings or parameters, including: (i) at least one palm rejection setting or parameter; and (ii) at least one touch or gesture processing setting or parameter.
[00104] With respect to palm rejection settings or parameters, in many cases palm rejection may include a“large object” detection algorithm designed to reject touch events that encompass an area of greater than a selected size, such as 25 mm. In some cases, the threshold size of the rejection area may be used as a palm rejection configuration parameter. In operation, the threshold size may be reduced to increase the aggressiveness of the palm rejection, or the size may be increased to reduce the aggressiveness. “Enhanced” palm rejection may be more aggressive than a standard, normal, or default palm rejection, for example, by applying a smaller threshold size value.
[00105] As to touch or gesture processing settings or parameters, object detection algorithms tend to have low-latency requirements so that end-users do not experience excessive delays between the timing of an input and the presentation of the input at displays 101/102. “Low latency” means that initial small areas of touch that precede a larger touch area may be detected as an intended touch, and presented as such to the end-user. For example, an end-user using stylus 108 may rest his palm or arm on displays 101/102 to produce an unintended dot or line; which may be written before the palm rejection algorithm engages to reject touch events. In some cases, the latency requirement may be used as a palm rejection configuration parameter. In operation, the latency requirement may be increased (a smaller time value), for instance, to increase the aggressiveness of the palm rejection algorithm; and reduced to decrease such aggressiveness.
[00106] A touch processing algorithm or controller (e.g., executed by or part of display controller(s) 204) may select one or more exclusively active digitizer or touchscreen zones, areas, or portions of displays 101/102 where touch inputs, whether via stylus 108 or a user’s finger, are allowed. Other zones, areas, or portions of these displays’ respective digitizers or touchscreens may be turned off or otherwise rendered inactive or non-responsive during operation of displays 101/102, thus potentially saving energy and/or reducing latency.
[00107] In some implementations, active and/or inactive digitizer or touchscreen zones, areas, or portions may include selectable vertical or horizontal sections of displays 101/102 that correspond to display pixels of displays 101/102; in other implementations, however, active and/or inactive digitizer zones may take other shapes and sizes. In some cases, an identification of the active and/or inactive digitizer or touchscreen zones, areas, or portions may be used as a touch processing configuration parameter.
[00108] In order to reduce unintended inputs, displays 101/102 may be configured to engage a selected one of a plurality of different“touch layers” or“modes of touch” based on IHS posture— which may determine by detecting the special arrangement of displays 101/102 and/or the current angle of hinge 104, keyboard 103’s position, the end-user’s presence, and/or depending upon the end-user's handedness (which may be selected by the user via on-screen display menu).
[00109] In some cases, touch may be selectively ignored and/or palm rejection may be performed more aggressively in certain portions of displays 101/102 (e.g., around a peripheral frame of displays 101/102), for example, while IHS 100 is being moved or transported. Specifically, touch points on the edges of displays 101/102 may not be registered as touch (e.g.,
for 20-30 milliseconds) in case there is a hinge movement or device movement {e.g., based on acceleration).
[00110] Characteristics of touch input displays 101 and 102 include the accuracy of palm rejection and elimination of accidental touch inputs, which often requires different levels and types of palm rejection in different postures. Accordingly, various embodiments described herein provide different layers of touch in different postures to reach a suitable a trade-off between the effectiveness of palm rejection and responsiveness (or accuracy) of touch or gesture recognition across postures.
[00111] In some embodiments, method 500 may identify a display posture— that is, a relative physical arrangement between first display 101 and second display 102 using sensor data received from two 9-DOF sensors, one sensor in each of displays 101/102, and/or from a hinge sensor, to identify the posture of IHS 100, while a touch processing algorithm or controller 204 switches between palm rejection settings and parameters specific or optimized for the identified posture, based on the LUT or database. [00112] To illustrate the foregoing, Table I shows a non-limiting example of a palm rejection
LUT (which may be used as LUT 2008 in FIG. 20A below). In Table I, palm rejection and finger touch/gesture detection settings or parameters for each of displays 101 and 102 are provided for each posture, depending upon the state of hinge 104 (where the hinge angle may be obtained via a hinge senor and/or 9-DOF sensors in each of displays 101/102) and/or of an accelerometer:
Table I - A Palm Rejection LUT Example
[00113] As a person of ordinary skill in the art will recognize in light of this disclosure, the various settings and parameters provided in Table I, in any given configuration, are described relative to other configurations, and actual values and thresholds may vary depending upon calibration and/or hardware or manufacturer-specific features.
[00114] FIGs. 20A and 20B show a flowchart of a method for providing automatically reconfigurable palm rejection and other touch input settings. In some embodiments, method 2000 may be performed by multi-form factor configuration engine 401 under execution of processor 201. Particularly, method 2000A of FIG. 20A starts at block 2001.
[00115] At block 2002, method 2000 gets motion information (e.g., speed, velocity, acceleration, etc.) and posture information (e.g., hinge angle, position of each display, etc.) from a sensor hub, or the like (e.g., part of chipset 202). Block 2003 determines, using the information of block 2002, whether IHS 100 is in presently motion with a speed or acceleration above a first threshold value T 1 (e.g., in m/s or m/s2). If so, block 2004 executes method 2000B of FIG. 20B.
[00116] Otherwise, block 2005 determines, also using the information of block 2002, whether hinge 104 has an angle that is presently changing faster than a second threshold value T1 (e.g.,
in radians/s or radians/s2). If so, block 2006 may turn off touch features in both displays 101 and 102, for example, for the duration of the movement.
[00117] If neither motion nor hinge angle meet their respective thresholds, then block 2007 sets palm rejection settings and/or parameters in different areas, zones, or portions of displays 101/102 to values stored in LUT table 2008 that correspond to the current posture. For example, in some implementations, display or touch controller 204 may provide USB reporting to an OS input layer, which may then send commands to OS-level application(s) using Touch Class Input APIs, or the like.
[00118] In some cases, block 2002 may also detect the presence, position, and status of keyboard 103, including moving and removal events, for example, using the systems and methods of FIGs. 21A-C. Accordingly, digitizer or touchscreen zones, areas, or portions that correspond to the“top” and“bottom” portions of second display 102 (as discussed in Table I), may also be dynamically selected in response to the keyboard 103’s position, as described in FIGs. 22A-E.
[00119] As noted above, if block 2003 determines that IHS 100 is being actively manipulated, then block 2004 of method 2000A causes method 2000B of FIG. 20B to start at block 2009. In some cases, method 2000B may operate upon IHS 100, for example, as illustrated in FIG. 20C, which shows first frame area 2016A of configurable dimensions around the periphery of first display 101 , and second frame area 2016B of configurable dimensions around the periphery of second display 102, when IHS 100 is in a laptop posture.
[00120] Referring back to FIG. 20B, block 2009 determines whether touch is detected in frame areas 2016A and/or 2016B. If so, block 2010 sets a counter, timer, or countdown to an initial value N. At block 2011 , if the acceleration detected is above T2, or if the hinge angle is changing faster than T1 , control passes to block 2012, where method 200B rejects the touch event. Otherwise, at block 2013, the counter, timer, or countdown progresses. At block 2014, if the counter, timer, or countdown has not expired (that is, > 0), control returns to block 2011. Otherwise, at block 2015, method 200B accepts the touch event in frame area(s) 2016A/B.
[00121] As a result, while IHS 100 is being manipulated by a user (determined by block 2003), touch around frame area(s) 2016A/B may be automatically rejected. In some cases, touch rejection may prevent all touch in first display 101’s frame area 2016A, but leave the remainder of display 101 touch sensitive, as well as the entire surface of second display 102. Alternatively,
touch rejection may prevent all touch in second display 102’s frame area 2016B, but leave the remainder of display 102 touch sensitive, as well as the entire surface of first display 101.
[00122] FIGs. 21A-C illustrate examples of keyboard attachment and alignment system(s). In various embodiments, these systems may be used during execution of methods 2000A-B of FIGs. 20A-B to provide automatically reconfigurable palm rejection settings for IHS 100 depending upon the status or position of keyboard 103.
[00123] Particularly, system(s) of FIGs. 21A-C may enable keyboard 103 to be attached to second display 102 (on the display surface, or on the back of display 102), and/or to be aligned on/off the surface of display 102, at predetermined locations. Moreover, display and/or hinge sensors 210 may be configured to determine which of a plurality of magnetic devices are presently engaged, so that the current position of keyboard 103 may be ascertained with respect to IHS 100, and such that palm rejection settings may also be additionally or alternatively selected in response to the keyboard’s position, for example.
[00124] FIG. 21 A illustrates an example of attachable keyboard 103 having magnetic devices 2009A, 2009B, 2009C, and 2009D symmetrically disposed along its short sides, at selected locations. Additionally, or alternatively, keyboard 103 may include magnetic devices 2009E and 2009F disposed alongside the top, long side of keyboard 103.
[00125] FIG. 21 B illustrates an example of attachable keyboard 103 with stylus 108 coupled to stylus well 2105. In some implementations, stylus 108 may have a compressible tip mated to a hole in stylus well 2105 that is configured to mechanically hold stylus 108 in place alongside the long edge of keyboard 103. Moreover, stylus 108 may include one or more magnetic devices 2100A and 2100B.
[00126] FIG. 21 C illustrates an example of second display 102 configured for an attachable keyboard 103. Particularly, display 102 includes magnetic devices 2103A, 2103B, 2103D, and 2103E, which correspond to magnetic devices 2009A, 2009B, 2009C, and 2009D on the bottom of keyboard 103, and which snap keyboard 103 into a predetermined place over the display surface of display 102, in a first position alongside the short side of display 102 that enables hinge 104 to close and to sandwich keyboard 103 between displays 101 and 102.
[00127] Additionally, or alternatively, display 102 may include magnetic devices 2103C and 2103F. In combination, magnetic devices 2103B, 2103C, 2103E, and 2103F, which correspond
to magnetic devices 2009A, 2009B, 2009C, and 2009D of keyboard 103, snap keyboard 103 into place over the display surface of display 102, in a second position alongside the short side of display 102 that enables rendering of first Ul feature 106 (e.g., ribbon area) and/or second Ul feature 107 (e.g., touchpad).
[00128] Additionally, or alternatively, display 102 may include magnetic devices 2102A and 2102B, which correspond to magnetic devices 2009E and 2009F in keyboard 103 and/or magnetic devices 2100A and 2100B in stylus 108. In some cases, magnetic devices 2102A and 2102B may be configured to snap keyboard 103 to the long edge of display 102, outside of its display surface. Additionally, or alternatively, display 102 may include magnetic devices 2104A, 2104B, 2104C, and 2104D, which correspond to magnetic devices 2009A, 2009B, 2009C, and 2009D of keyboard 103, and cause keyboard 103 to snap to the back of display 102, for example, as part of accessory backpack system 1900 (FIG. 19).
[00129] In some cases, hinge 104 may also include stylus well 2106. As shown, stylus well 2106 may include at least one of magnetic devices 2101A and 2101 B, corresponding to magnetic devices 2009E and 2009F in keyboard 103 and/or magnetic devices 2100A and 2100B in stylus 108. As such, magnetic devices 2101A and 2101 B may be configured to hold keyboard 103 and/or stylus 108 in place when keyboard 103 is sandwiched between displays 101 and 102.
[00130] FIGs. 22A-E illustrate automatically reconfigurable touch areas, such as ribbon area 106 and touch input area 107, each with respective palm rejection settings that may be selected, configured, modified, provided or excluded, based upon the context in which IHS 100 is operating, such as its display posture and/or keyboard state/position.
[00131] In FIG. 22A, configuration 2200A has keyboard 103 absent, such that OSK 2204 is rendered between ribbon area 106 and touch input area 107. In this implementation, ribbon area 106 includes an“f-row interface” including three components: system bar 2203A-B, touch bar 2202, and activity bar 2201 A-B.
[00132] System bar 2203A-B may include context-independent icon strip 2203B, having controls to provide direct access selected hardware or system components such as, for example, microphone muting, audio output volume, display brightness, etc. In addition, system bar 2203A- B may include context-dependent icon strip 2203A that presents context-based Ul features, such as word suggestions made dynamically and predictively as the user types individual letter caps on OSK 2204, etc.
[00133] Touch bar 2202 may include contextually-selected icons or shortcuts to actions or commands associated with an active application rendered, for example, on first display 101. For instance, in case IHS 100 is executing an email application, touch bar 2202 may include “compose,”“check,”“reply,”“reply all,”“forward,”“move,” and“delete” icons, or the like. Each icon, when selected by the user, may cause a corresponding Ul command to be received and executed by the active application.
[00134] Activity bar 2203A-B may include any of a plurality of widgets or small-sized applications. For example, activity bar strip 2203A may display a horizontally scrollable list of contextually-selected images or photographs, and activity bar strip 2204 may display a media player with album images and/or audio reproduction controls.
[00135] Touch input area 107 includes three components: virtual touchpad 2205A, and scratchpad 2205B, and scratchpad 2205C. Particularly, virtual touchpad 2205A may include a rectangular region below OSK 2204, optionally delineated by a visual outline (e.g., lighter shading or borders), with palm rejection controls selected or optimized for finger touch. Meanwhile, lateral scratchpads 2205B-C may have palm rejection controls selected or optimized for stylus input (e.g., sketching, handwriting, etc.).
[00136] In some implementations, key 2210 of OSK 2004 may be mapped to an operation that manipulates (e.g., displays, hides, moves, etc.) one or more GUI elements shown in configuration 2200A. In other cases, a combination of two or more key presses, in a particular sequence and/or concurrently, may be required to trigger a shortcut command.
[00137] In FIG. 22B, configuration 2200B shows keyboard 103 atop second display 102 at a distance di from hinge 104. In this case, ribbon area 106 includes only system bar 2203A-B. The rendering of system bar 2203A-B may be performed upon sensing of distance di along the short side of second display 102, for example, as keyboard 103 is detected and/or aligned using a magnetic guide system (FIG. 21), or the like.
[00138] In configuration 2200B, the“top portion” of second display 102 (that is, the selected zone of the digitizer or touchscreen referenced in Table I for this posture) may comprise ribbon area 106, and the“bottom portion” of second display 102 may comprise touch input area 107; which may be calculated based upon distance di and the physical dimensions of keyboard 103. In some implementations, virtual touchpad 2205D, scratchpad 2205E, and scratchpad 2205F, may each have distinct palm rejection settings set out in an LUT or database.
[00139] In FIG. 22C, configuration 2200C has keyboard 103 at a distance d2 > di from hinge 104, for example, as the user physically moves keyboard 103 down to a lower position along the short side of second display 102 during operation of IHS 100. In this case, ribbon area 106 includes both system bar 2203A-B and touch bar 2202, and touch input area 107 includes only virtual touchpad 2205G, within a modified or repositioned rectangular region on second display 102 (scratchpad areas 2205E-F have touch turned off). In this case, the“top portion” and/or the “bottom portion” of second display 102 may be calculated based upon distance d2 (and the dimensions of keyboard 103).
[00140] In FIG. 22D, configuration 2200D has keyboard 103 at a distance d3 > d2 from hinge 104. In this case, ribbon area 106 includes all of system bar 2203A-B, touch bar 2202, and activity bar 2201 A-B. Moreover, touch input area 107 may be removed. As such, the“top portion” and/or the“bottom portion” of second display 102 may be calculated based upon distance d3 (and the dimensions of keyboard 103).
[00141] FIG. 22E depicts configuration 2200E, where first display 101 shows an application window and OS taskbar (or start menu) 2204, and second display 102 shows ribbon area 106, until the user manipulates keyboard 103, originally disposed on the display surface of second display 102. OS taskbar 2204 may generally assume the form of a long strip along one edge of display 101 , and it may include various icons which correspond to the windows open within an application, to facilitate switching between programs or windows,“pinning” programs or files so that they can be accessed quickly, and/or providing a notification area, which uses interactive icons to display real-time information about the state of IHS 100.
[00142] In some embodiments, in response to a keyboard removal event, as identified by monitoring the keyboard sensor(s) 303, palm rejection settings may be applied such that touch is turned off on the entire touchscreen of display 102, and/or on a selected portion of display 101 closest to display 102; in this case, an area, zone, or portion the digitizer or touchscreen corresponding to display pixels that show OS taskbar (or start menu) 2204.
[00143] It should be understood that various operations described herein may be implemented in software executed by logic or processing circuitry, hardware, or a combination thereof. The order in which each operation of a given method is performed may be changed, and various operations may be added, reordered, combined, omitted, modified, etc. It is intended that the
invention(s) described herein embrace all such modifications and changes and, accordingly, the above description should be regarded in an illustrative rather than a restrictive sense.
[00144] Although the invention(s) is/are described herein with reference to specific embodiments, various modifications and changes can be made without departing from the scope of the present invention(s), as set forth in the claims below. Accordingly, the specification and figures are to be regarded in an illustrative rather than a restrictive sense, and all such modifications are intended to be included within the scope of the present invention(s). Any benefits, advantages, or solutions to problems that are described herein with regard to specific embodiments are not intended to be construed as a critical, required, or essential feature or element of any or all the claims.
[00145] Unless stated otherwise, terms such as“first” and“second” are used to arbitrarily distinguish between the elements such terms describe. Thus, these terms are not necessarily intended to indicate temporal or other prioritization of such elements. The terms“coupled” or “operably coupled” are defined as connected, although not necessarily directly, and not necessarily mechanically. The terms“a” and“an” are defined as one or more unless stated otherwise. The terms “comprise” (and any form of comprise, such as “comprises” and “comprising”),“have” (and any form of have, such as“has” and“having”),“include” (and any form of include, such as“includes” and“including”) and“contain” (and any form of contain, such as “contains” and“containing”) are open-ended linking verbs. As a result, a system, device, or apparatus that“comprises,”“has,”“includes” or“contains” one or more elements possesses those one or more elements but is not limited to possessing only those one or more elements. Similarly, a method or process that“comprises,”“has,”“includes” or“contains” one or more operations possesses those one or more operations but is not limited to possessing only those one or more operations.
Claims
1. An Information Handling System (IHS), comprising:
a processor; and
a memory coupled to the processor, the memory having program instructions stored thereon that, upon execution by the processor, cause the IHS to:
identify a posture of a second display relative to a first display;
select a palm rejection setting corresponding to the posture; and apply the palm rejection setting to at least one of: the first display or the second display.
2. The IHS of claim 1 , wherein to identify the posture, the program instructions, upon execution by the processor, further cause the IHS to receive an indication of an angle of a hinge coupling the first display to the second display.
3. The IHS of claim 2, wherein to identify the posture, the program instructions, upon execution by the processor, further cause the IHS to:
identify a first range of angles as a closed posture;
identify a second range of angles as a laptop posture;
identify a third range of angles as a stand or tent posture;
identify a fourth range of angles as a canvas posture; or
identify a fifth range of angles as a tablet posture.
4. The IHS of claim 3, wherein the posture is identified as the laptop posture in response to: the first display being placed at an obtuse angle with respect to the second display, and the second display being placed in a horizontal position with a display surface facing up.
5. The IHS of claim 4, wherein to apply the palm rejection setting, the program instructions, upon execution, further cause the IHS to:
apply a first palm rejection setting to the first display;
apply the first palm rejection setting to a top portion of the second display; and apply a second palm rejection setting that is more aggressive than the first palm rejection setting to a bottom portion of the second display.
6. The IHS of claim 5, wherein the top and bottom portions of the second display are selected based upon a position of a keyboard disposed on top of the second display.
7. The IHS of claim 3, wherein the posture is identified as the canvas posture in response to: the first display being placed at a straight angle with respect to the second display, and the first and second displays being placed in a horizontal position with first and second display surfaces facing up.
8. The IHS of claim 7, wherein to select the palm rejection setting, the program instructions, upon execution, further cause the IHS to:
select a first palm rejection setting in response to a determination that the canvas posture is in portrait mode; or
select a second palm rejection setting in response to a determination that the canvas posture is in landscape mode.
9. The IHS of claim 3, wherein the posture is identified as the tablet posture in response to: a first display surface of the first display being placed facing up, and a back surface of the first display being placed against a back surface of the second display.
10. The IHS of claim 9, wherein to apply the palm rejection setting, the program instructions, upon execution, further cause the IHS to turn off touch on the second display.
11. The IHS of claim 3, wherein the posture is identified as the stand posture in response to the first display being placed at an acute angle with respect to the second display.
12. The IHS of claim 3, wherein the posture is identified as the tent posture in response to a first display surface of the first display being placed at an obtuse angle with respect to a second display surface of the second display.
13. The IHS of claim 1 , wherein to identify the posture, the program instructions, upon execution by the processor, further cause the IHS to determine that the IHS is presently being moved or manipulated.
14. The IHS of claim 13, wherein the program instructions, upon execution by the processor, further cause the IHS to turn off touch at least one of the first display or the second display while the IHS is being moved or manipulated.
15. The IHS of claim 14, wherein the program instructions, upon execution by the processor, further cause the IHS to turn off touch in at least one of the first display or the second display in response to movement or manipulation having a velocity or acceleration above a threshold.
16. The IHS of claim 1 , wherein to apply the palm rejection setting, the program instructions, upon execution by the processor, further cause the IHS to select a size and a position of a touch input area provided via the first or second displays.
17. A method, comprising:
identifying a posture of a second display relative to a first display;
selecting a palm rejection setting corresponding to the posture; and
applying the palm rejection setting to at least one of: the first display or the second display.
18. The method of claim 17, wherein identifying the posture further comprises identifying an angle of a hinge coupling the first display to the second display.
19. A hardware memory device having program instructions stored thereon that, upon execution by a processor of an Information Handling System (IHS), cause the IHS to: identify a posture of a second display relative to a first display;
select a palm rejection setting corresponding to the posture; and
apply the palm rejection setting to at least one of: the first display or the second display.
20. The hardware memory device of claim 19, wherein the program instructions, upon execution by the processor, further cause the IHS to apply (i) a first palm rejection setting to a first portion of the second display and (ii) a second palm rejection setting to a second portion of the second display, wherein the first and second portions of the second display are selected based upon a position of a keyboard disposed on top of the second display.
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EP19879839.9A EP3874356A4 (en) | 2018-10-29 | 2019-08-14 | Multi-form factor information handling system (ihs) with automatically reconfigurable palm rejection |
TW108134219A TWI791898B (en) | 2018-10-29 | 2019-09-23 | Multi-form factor information handling system (ihs) with automatically reconfigurable palm rejection |
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US16/173,240 US10831307B2 (en) | 2018-10-29 | 2018-10-29 | Multi-form factor information handling system (IHS) with automatically reconfigurable palm rejection |
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CN112955855A (en) | 2021-06-11 |
US20200133426A1 (en) | 2020-04-30 |
TWI791898B (en) | 2023-02-11 |
TW202034142A (en) | 2020-09-16 |
EP3874356A1 (en) | 2021-09-08 |
US10831307B2 (en) | 2020-11-10 |
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