Abstract: Systems and methods relating to a keyboard application on a mobile device are disclosed. The keyboard application generates a search query which it sends to a remote server. Data located based on the search query is received from the remote server. The data is associated with a record comprising a record identifier. The keyboard application associates a GUI element of the keyboard application with the record identifier. An input is received corresponding to selection of the GUI element. A unique tracking link is generated comprising a URI and an identifier associated with the selection of the GUI element. The URI is a deep link into an application that can execute on the mobile device. The unique tracking link is stored in a database in association with the record and user identifier and passed to the application to access content of the application.

Abstract: Aspects of the present disclosure relate to playback devices having a non-flat surface and comprising a flexible electronic assembly conforming to that surface. The flexible electronic assembly may include (i) a flexible substrate having a first portion and a second portion, (ii) an array of capacitive touch sensor electrodes arranged on the first portion, and (iii) a plurality of conductors that are electrically coupled to the array of capacitive touch sensor electrodes and that extend onto the second portion. The first portion may include a plurality of cutouts. Each cutout of a first subset of the plurality of cutouts may be positioned between a respective set of two or more electrodes in the array of capacitive touch sensor electrodes. Each cutout of a second subset of the plurality of cutouts may be configured to reduce a wrinkling of the first portion when conforming the first portion to the non-flat surface.

Abstract: Aspects of the present disclosure relate to virtual keyboard input management. An input can be received from a user on a virtual keyboard with multiple keyboard modes, the virtual keyboard having one or more controls for toggling between the multiple keyboard modes. A determination can be made whether a control for toggling between the multiple keyboard modes was unintentionally activated or unintentionally not activated by the user resulting in an unintentional input. An intended input can be determined in response to determining that the control for toggling between the multiple keyboard modes was unintentionally activated or unintentionally not activated by the user resulting in the unintentional input. The determined intended input can then be input instead of the unintentional input.

Abstract: A sensing and display apparatus, comprising: a first phenomenon interface configured to operatively interface with a first augmediated-reality space, and a second phenomenon interface configured to operatively interface with a second augmediated-reality space, is implemented as an extramissive spatial imaging digital eye glass.

Abstract: A computing device detects a press of a global shortcut key simultaneously with a first press and release of a modifier key. In response thereto, an operation is initiated in a non-default display region. The operation might be displaying a user interface element in the non-default display region. The computing device can also detect a second press and release of the modifier key simultaneously with the press of the global shortcut key. In response thereto, the operation can be initiated in a second display region, such as a default display region. The second press and release of the modifier key can be detected within a predetermined period of time following the detection of the first press and release of the modifier key. The operation might be simultaneously initiated in multiple display regions, such as sharing a region that encompasses the non-default display region and one or more other display regions.

Abstract: An information processing apparatus has a first display mode in which the entire screen region of a display is controlled to be displayed as a display region, and a second display mode in which a partial screen region excluding the predetermined screen region in the screen region of the display is controlled to be displayed as a display region, and performs a placement detection process of detecting placement of an external keyboard on the predetermined screen region in the screen region of the display, a communication control process of performing a communicative connection with the keyboard, and a display mode control process of controlling switching between the first display mode and the second display mode on the basis of the placement detection process and the communication control process.

Abstract: An information handling system includes a keyboard with multiple customizable click feeling keys. A first customizable click feeling key includes a keycap magnet and an electromagnet. The keycap magnet includes a first magnetic polarity portion and a second magnetic polarity portion. The system communicates individually with each of the customizable click feeling keys to determine a mode. Based on the mode being a first mode, the system provides a first current to the electromagnet to generate a first magnetic pole strength within the electromagnet. Based on the mode being a second mode, the system provides a second current to the electromagnet to generate a second magnetic pole strength within the electromagnet. The second magnetic pole strength creates a stronger repulsion force between the electromagnet and the keycap magnet.

Abstract: Some embodiments described in this disclosure are directed to one or more input devices that simulate dedicated remote control functionality for navigating and playing content items available on other electronic devices, and one or more operations related to the above that the input devices and other electronic devices optionally perform. Some embodiments described in this disclosure are directed to one or more multifunction devices via which keyboard input to electronic devices is provided, and one or more operations related to the above that the multifunction devices and the electronic devices optionally perform. Some embodiments described in this disclosure are directed to one or more multifunction devices via which control and/or navigational inputs to electronic devices is provided, and one or more operations related to the above that the multifunction devices and the electronic devices optionally perform.

Abstract: An information processing apparatus includes one foldable display having a first display mode in which the entire screen region is displayed and a second display mode in which a partial screen region excluding a predetermined screen region is displayed; determines whether an external keyboard is placed on the predetermined screen region; controls, in a first operation state, a first display mode where the keyboard is not placed and a second display mode where the keyboard is placed; and when a state is switched from the first operation state to a second operation state in which processing executed by the system is restricted more than in the first operation state, selects and controls a display mode when a next state is switched from the second operation state to the first operation state, and a previous display mode.

Abstract: A button lighting module is provided including: a light guide plate which has a button through-hole formed in a thickness direction to allow a button device configured to input a command to pass therethrough and has a light refractor provided around the button through-hole to refract a light path upward; and a light source which is configured to radiate light so that the light is incident on the light guide plate through an outer peripheral side surface of the light guide plate.

Abstract: An apparatus and method of manufacture for a modular seamless touchpad assembly comprising a seamless glass layer extending to a plurality of palm rest surfaces formed over a touchpad support bracket that extends across a top cover of a base chassis of an information handling system and including a touchpad printed circuit board assembly (PCBA) and a haptic actuator array coupled between the touchpad PCBA and the touchpad support bracket for generating haptic user feedback. The touchpad support bracket is formed under the haptic actuator array to support the modular seamless touchpad assembly as an installable hardware module to modularly fit within a touchpad opening formed in the top cover of the base chassis and a connector port to operatively couple a haptic touchpad controller with a reciprocal connector in the touchpad opening such that the modular seamless touchpad assembly is testable via the connector port before installation.

Abstract: An image forming apparatus includes an image forming unit configured to form an image on a recording material, a controller configured to control the image forming unit, a sheet feeding tray configured to store a recording material to be supplied to the image forming unit, and a sheet feeding tray cover configured to cover an access point of the sheet feeding tray. The sheet feeding tray cover includes a user interface for inputting information into a controller unit or outputting information from the controller.

Abstract: In an embodiment according to the present disclosure, disclosed is an electronic device including a display, a first housing, a second housing at least partially overlapping and being movable with respect to the first housing, a first conductive region formed or disposed inside the first housing, and a second conductive region formed or disposed inside the second housing so as to at least partially overlap with the first conductive region when the first housing is moved with respect to the first housing, a display in which at least the first region is exposed to the outside of an electronic device through a front surface of the electronic device, and at least one processor in which, when the electronic device is switched from the first state to the second state, a second region extending from the first region of the display is withdrawn from the inside of the first housing and exposed to the outside of the electronic device along with the first region and, when the electronic device is switched from the secon

Abstract: An information handling system keyboard has plural key caps coupled to a frame with a vertical travel having a raised position defined by engagement between a stop of the frame and a key cap extension from the key cap. A fluid reservoir coupled to the key cap at the key cap extension dampens contact between the extension and stop to reduce sound generated from the keyboard at release of the keyboard key. The fluid reservoir is, for instance, an acoustic grease enclosed in membrane and integrated in the keyboard key at the extension where it aligns with the stop.

Abstract: Embodiments herein are directed to a transparent steering wheel system for a vehicle that includes a sensor system, a projection system, and an electronic control unit. The electronic control unit is configured to determine when a plurality of display data displayed on a display device behind a steering wheel is blocked by the steering wheel from a field of view of a driver, determine when a desirable notification is included in the plurality of display data, and when the desirable notification is included and the field of view of the desirable notification for the driver is blocked by the steering wheel, control the projection system to project the desirable notification onto the projection surface of the steering wheel that fully covers the steering wheel such that the steering wheel appears to be transparent when the desirable notification is displayed onto the projection surface.

Abstract: An image display method includes drawing a first graph in a trusted execution environment (TEE). The method also includes displaying the first graph on a first layer in a display screen. The method further includes drawing a second graph in a rich execution environment (REE). The method additionally includes displaying the second graph on a second layer in the display screen. The first layer is located above the second layer. The first graph includes a transparent area and a non-transparent area. The non-transparent area includes content drawn in the TEE. A display area that is on the second graph and that corresponds to the transparent area includes content drawn in the REE. When the first layer and the second layer are overlapped for displaying, the transparent area does not shield the content drawn in the REE.

Abstract: A display apparatus is disclosed. The display apparatus includes: a display panel including a touch sensor, and a processor configured to: based on receiving a touch input signal for an area of the display panel from the touch sensor, control the display panel to display a touch trajectory corresponding to the touch input signal in the area, and based on touch context information including speed information corresponding to the touch input signal, determine whether to display a subsequent trajectory of the displayed touch trajectory.

Abstract: Apparatus, methods and systems are disclosed for interacting with an electronic device, including inputting letters. One embodiment of the apparatus includes buttons and a text output field displayed on a touch-sensitive display screen. Each button is assigned one or more letters. The text output field displays text and tentative letter selection indicators. In one embodiment of the method, the device records button actuations that ambiguously identify letter selections. With each actuation, a tentative letter selection indicator becomes appended to the end of the contents of the text output field. Upon activation of a button such as a spacebar button, or in response to an event such as expiration of a time period, a language algorithm disambiguates the recorded ambiguously identified letter selections and returns a word suggestion. The returned word replaces a sequence of appended tentative letter selection indicators displayed in the text output field.

Abstract: A deployable protective case and a method of deploying said case is provided. The case includes a main body which is divided into an upper portion and lower portion that are separated by a living hinge. The case is configured with guide surfaces that allow for the case to engage with more than one electronic device, such as a tablet and a keyboard. The protective case is movable to a stowed configuration and a deployed configuration. In the stowed configuration, the devices are protected during storage and transportation. In the deployed configuration, the devices are made accessible for use, such as by positioning a tablet relative to a keyboard. While deployed, the case maintains engagement with at least a part of the electronic device.

Abstract: An information processing apparatus has a first display mode in which the entire screen region of a display is controlled to be displayed as a display region, and a second display mode in which a partial screen region excluding the predetermined screen region in the screen region of the display is controlled to be displayed as a display region, and performs a placement detection process of detecting placement of an external keyboard on the predetermined screen region in the screen region of the display, a communication control process of performing a communicative connection with the keyboard, and a display mode control process of controlling switching between the first display mode and the second display mode on the basis of the placement detection process and the communication control process.

Abstract: A display apparatus is disclosed. The display apparatus includes: a display panel including a touch sensor, and a processor configured to: based on receiving a touch input signal for an area of the display panel from the touch sensor, control the display panel to display a touch trajectory corresponding to the touch input signal in the area, and based on touch context information including speed information corresponding to the touch input signal, determine whether to display a subsequent trajectory of the displayed touch trajectory.

Abstract: An analog input device including at least one mounting panel and a matrix of analog push button assemblies mounted thereon. Each analog push button assembly including an analog pressure sensor including a pressure reception arrangement having an optical sensing sub-arrangement configured to measure an amount of light varied according to a pressure sensed at the pressure reception arrangement and an output terminal for outputting an analog signal corresponding to the amount of light measured, and a plunger element configured to exert the pressure on the pressure reception arrangement. The analog input device may include a multiplexer including an input side coupled to the push button assemblies and an output side; an analog-to-digital converter coupled to the output side of the multiplexer; a processor coupled to the analog-to-digital converter and configured to output a data packet; and a communication interface configured to transmit the data packet to a host computing device.

Abstract: An electronic device includes: a housing; and a flexible display that includes at least some region that is rolled in a substantially circular shape with respect to a first axis in the internal space of the housing. When the flexible display is drawn out of the housing by a specified movement distance, the flexible display may be bent to interfere with the housing so as not to be introduced into the internal space of the housing.

Abstract: Pairing of an external device using a random user action is disclosed herein. An example method includes restricting the external device from accessing a resource. A user input receivable from the external device is identified based on a type of the external device, the user input not included in a list of previously generated user actions. In response to receipt of the user input from the external device within a threshold time period, the external device is authorized to access the resource.

Abstract: An information handling system keyboard includes an array of microphones having a defined layout that supports location of human voice sounds captured by the array of microphones to isolate voices originating from a defined distance and orientation while filtering other voices and non-voice sounds. A display included in the keyboard depicts a visual indication of voice quality that can include instructions to a speaker regarding adjustments to help obtain a desired voice capture quality to support a video or audio conference of an information handling system interfaced with the keyboard. The keyboard display also supports an interface to control a keyboard, video, mouse (KVM) switch interfaced with the keyboard.

Abstract: Method and apparatus are disclosed for interface verification for vehicle remote park-assist. An example vehicle system includes a mobile device and a vehicle autonomy unit. The mobile device includes a touchscreen and a controller. The controller is to present, via the touchscreen, an interface of a remote parking app and receive, via the touchscreen, an input responsive to the presentation of the interface. The vehicle autonomy unit receives an input signal from the mobile device and an input classifier coupled to the vehicle autonomy unit verifies the received input signal complies with an input classification.

Abstract: Aspects of the present disclosure are directed to creating and administering artificial reality collaborative working environments and providing interaction modes for them. An XR work system can provide and control such artificial reality collaborative working environments to enable, for example, A) links between real-world surfaces and XR surfaces; B) links between multiple real-world areas to XR areas with dedicated functionality; C) maintaining access, while inside the artificial reality working environment, to real-world work tools such as the user's computer screen and keyboard; D) various hand and controller modes for different interaction and collaboration modalities; E) use-based, multi-desk collaborative room configurations; and F) context-based auto population of users and content items into the artificial reality working environment.

Abstract: An electronic device has an electrically adjustable shutter. The shutter may be placed in a transparent state or a nontransparent state. The shutter may overlap a portion of a display, may overlap a liquid contact indictor or a structure with text in a device, or may overlap an optical component such as an optical proximity sensor, ambient light sensor, visible light-emitting diode or laser, infrared light-emitting diode or laser, visible light image sensor, or infrared light image sensor. Control circuitry in the electronic device may place the shutter in an opaque state to hide an overlapped component from view or may place the shutter in a transparent state to allow the overlapped component to transmit or receive light. The adjustable shutter may exhibit changes in its transmission spectrum in different modes of operation and may be used as a camera filter or neutral density filter.

Abstract: A voice activatable flight deck system including a voice recognition and processing system for receiving and processing input voice commands and determining machine commands for the voice activatable flight deck system. The system provides indications as to whether user interface functional elements are voice command enabled, disabled or whether voice command input is not available. The system provides directional feedback to the voice command depending on whether a pilot in command or second in command issued the voice input.

Abstract: Methods, systems, and techniques for keyboards for improving user keyboard input for the visually impaired are provided. Example embodiments provide a Doubletriple Keyboard System (“DKS”), which enables visually impaired users to type text by providing large or extra-large keys, and enhanced feedback mechanisms to assist in reducing user input errors. For example, the DKS provides specific sound and/or specific color for each key to assist the visually impaired when selecting a key.

Abstract: According to various embodiments, there is provided a user input device including: a chassis including a socket configured to releasably receive a panel; a memory storing a plurality of button maps, wherein each button map of the plurality of button maps defines functions of at least one button of a respective panel of a plurality of panels, each of which being receivable in the socket; and a processor configured to read an identity code of the received panel, and further configured to identify a matching button map from the plurality of button maps based on the identity code, wherein the matching button map defines the functions of the at least one button of the received panel.

Abstract: A method of making an actuator switch is disclosed. One method including: receiving a threshold amount of pressure on a top surface of a flexible film; in response to receiving the threshold amount of pressure, contacting a first electrode with a second electrode; in response to receiving the threshold amount of pressure, generating i) a first capacitive connection between a row electrode and the second electrode and ii) a second capacitive connection between a column electrode and the second electrode; in response to the first electrode contacting the second electrode, generating, by a piezoelectric actuator, haptic feedback; and in response to the generating the first capacitive connection and the second capacitive connection, providing an input detection signal.

Abstract: The disclosed system may include (1) a processor that generates an artificial environment that includes a virtual object, (2) a display that presents the artificial environment, (3) an input subsystem that detects tracks positioning of a body, and (4) a plurality of haptic actuators that are arranged to apply haptic feedback to a first plurality of locations on the body, where the processor (a) determines, based on the positioning of the body, a virtual contact of one of a second plurality of locations on the body with the virtual object, where the second plurality of locations is different from the first plurality of locations, and (b) activates, in response to the virtual contact, at least one of the plurality of haptic actuators based on a mapping of the second plurality of locations to the plurality of haptic actuators. Various other systems and methods are also disclosed.

Abstract: Electromechanical polymer (EMP) actuators are used to create haptic effects on a user interface deface, such as a keyboard. The keys of the keyboard may be embossed in a top layer to provide better key definition and to house the EMP actuator. Specifically, an EMP actuator is housed inside an embossed graphic layer that covers a key of the keyboard. Such a keyboard has a significant user interface value. For example, the embossed key provides the tactile effect of the presence of a key with edges, while allowing for the localized control of haptic vibrations. For such applications, an EMP transducer provides high strains, vibrations or both under control of an electric field. Furthermore, the EMP transducer can generate strong vibrations. When the frequency of the vibrations falls within the acoustic range, the EMP transducer can generate audible sound, thereby functioning as an audio speaker.

Abstract: An angle determining circuit and method, and a folding screen terminal are provided. The circuit is applied to the folding screen terminal which includes a first and second screens rotatably connected through a rotary shaft, a resistance ring is fixedly provided outside the rotary shaft. The circuit includes: a first power supply; a first resistor, where one terminal of the first resistor is electrically connected to the first power supply; a first conductive element fixedly disposed at the first screen, where one terminal of the first conductive element is electrically connected to the other terminal of the first resistor, and the other terminal thereof slidably abuts against the resistance ring; a second conductive element fixedly disposed at the second screen, where one terminal of the second conductive element slidably abuts against the resistance ring, and the other terminal thereof is grounded; and a processor.

Abstract: An invisible, light-transmissive display system with a light resistant material is provided. Substantially invisible, tapered, light-transmissive holes are penetrated in a light transmissive pattern through at least a portion of the light resistant material using a laser beam having a focal width less than the smallest diameter of the tapered holes.

Abstract: The present disclosure relates to the technical field of computers, and provides a method and apparatus for setting virtual keys on a user interface performed by an electronic device. The method includes: determining, in response to at least two touch operations acting on a user interface, at least two pieces of operation position information of the at least two touch operations; identifying, according to the at least two pieces of operation position information, a target virtual key on the user interface; obtaining a target vibration waveform corresponding to the target vibration key, and performing waveform similarity calculation on the target vibration waveform and other vibration waveforms adapted to at least one other virtual key on the user interface to obtain a waveform difference value; and when the waveform difference value is greater than a predefined threshold, determining that the target vibration waveform is associated with the target virtual key.

Abstract: A system and method for electronic collaboration including receiving, by a first digitizer of a first host, a mode switch notification, based on the mode switch notification, changing a mode of the first host to a collaborative mode, sending local content, by the first host, displayed on a multipurpose display screen of the first host to one or more collaboration hosts, receiving, by the first host, published content from the collaboration hosts, displaying the published content and the local content concurrently on the multipurpose display screen of the first host, and updating the multipurpose display screen with updated local content and received published content.

Abstract: A haptic keyboard of an information handling system may include a coversheet to identify a key location of the haptic keyboard; a support layer; a contact foil placed between the coversheet and support layer; a piezoelectric element placed between the contact foil and support layer to receive an applied mechanical stress at the key location of the coversheet and generate an electric actuation signal; and a controller of the information handling system operatively coupled to the contact foil to: receive an electric actuation signal from the piezoelectric element placed under the mechanical stress via the contact foil; and send an electrical response signal to the piezoelectric element to cause the piezoelectric element to generate haptic feedback at the key location.

Abstract: An input module includes a base, a keycap assembly and an identification unit. The base includes a magnetic sensor. The keycap assembly is assembled on the base, and the keycap assembly includes a magnetic element. The identification unit is electrically coupled to the magnetic sensor, and the identification unit determines the type of the keycap assembly according to the characteristics of magnetic field lines of the magnetic element sensed by the magnetic sensor. An electronic device is also disclosed.

Abstract: A multilayer structure includes a first insulating layer including a first body of an anodized oxide material, a first via conductor penetrating through the first body, and a first internal wiring layer electrically connected to the first via conductor, a second insulating layer including a second body of the anodized oxide material, a second via conductor penetrating through the second body, and a second connection pad electrically connected to the second via conductor, and a solder hump provided on one of the first internal wiring layer and the second connection pad and between the first insulating layer and the second insulating layer. The first via conductor, the first internal wiring layer, the second connection pad, and the second via conductor are electrically connected to each other through the solder bump.

Abstract: An image forming apparatus includes an image forming unit configured to form an image on a recording material, a controller configured to control the image forming unit, a sheet feeding tray configured to store a recording material to be supplied to the image forming unit, and a sheet feeding tray cover configured to cover an access point of the sheet feeding tray. The sheet feeding tray cover includes a user interface for inputting information into a controller unit or outputting information from the controller.

Abstract: A display device with favorable display quality is provided. A display portion where a plurality of pixels is arranged in a matrix is divided into Region A and Region B, i.e., regions on the upstream side and the downstream side of a scanning direction. A signal line for supplying an image signal is provided in each of Region A and Region B. Region A and Region B adjoin each other such that a boundary line showing the boundary between the regions is bent. Bending the boundary line suppresses formation of a stripe in a boundary portion. For example, in a given column, the total number of pixels electrically connected to a signal line in Region A is made different from the total number of pixels electrically connected to a signal line in Region B.

Abstract: Wearable computing apparatuses, which can be adapted to be worn on a user's hand, are provided for augmented reality, virtual reality, and artificial intelligence interactions. Generally, the wearable computing apparatus can include a first subassembly comprising one or more processors, non-transitory memory for storing instructions, at least one haptic motor, and a first set of sensors configured to measure positional characteristics associated with a user's hand. The wearable computing apparatus can further comprise a second subassembly removably coupled to the first subassembly, the second subassembly including a plurality of leads each of which is attached to a finger and comprises a distal portion that houses a haptic motor and a second set of sensors. The second set of sensors is configured to measure positional characteristics associated with the user's fingers.

Abstract: An information processing apparatus includes a first display screen, a second display screen, a detection unit, and a display controller. The detection unit detects switching between the first mode and the second mode. The first mode is a mode in which information is displayed on the first display screen. The second mode is a mode in which information is displayed on the first display screen and the second display screen. The display controller controls whether enlarged display or additional display is performed in accordance with a change in the orientation of the first display screen or an operation of specifying the information displayed on the first display screen. The change or the operation is performed in a certain time including a time point at which the detection unit detects switching from the first mode to the second mode.

Abstract: Methods and systems for predicting keystrokes using a neural network analyzing cumulative effects of a plurality of factors impacting the typing behavior of a user. The factors may include typing pattern, previous keystrokes, specifics of keyboard used for typing, and contextual parameters pertaining to a device displaying the keyboard and the user. A plurality of features may be extracted and fused to obtain a plurality of feature vectors. The plurality of feature vectors can be optimized and processed by the neural network to identify known features and learn unknown features that are impacting the typing behavior. Thereby, the neural network predicts keystrokes using the known and unknown features.

Abstract: According to various embodiments, an electronic device may include a first structure including a first plate including a first face and a second face facing away from the first face, and a second structure including a second plate, which faces the second face of the first plate and has an opening formed therein, and a first side wall extending from a first end portion of the second plate. The first structure may be movable between an open state and a closed state with respect to the second structure in a first direction with respect to the second plate. The second structure may be positioned at a first position from the first side wall when the first structure is in the closed state and positioned at a second distance, which is greater than the first distance, from the first side wall when the first structure is in the open state. The electronic device may further include a flexible touch screen display.

Abstract: Systems and methods are described for providing ways to protect client devices in communication with virtual desktops and virtual applications from keylogging attacks. A keyboard filter driver obfuscates scancodes from key presses produced on the keyboard of the client device so that malicious keylogging or keyboard hooking software is not able to observe user inputs. The obfuscated scancodes are conveyed and de-obfuscated before being applied in the virtual desktop or virtual application.

Abstract: An aspect of the present disclosure provides for determining characters inputted. In an embodiment, a key activated among one or more keys of a keyboard and a sensor activated among one or more sensors associated with one or more fingers are identified. An element or a special function corresponding to the key activated and an element or a special function corresponding to the sensor activated are determined. A character is determined based on the element or the special function corresponding to the key activated and the element or the special function corresponding to the sensor activated. A first set of elements of an Indic language and a first set of special functions are assigned to the one or more keys of the keyboard, and a second set of elements of the Indic language and a second set of special functions are assigned to the one or more sensors.

Abstract: Dual, ergonomically ideal, neutral-posture, wireless-and-programmable, joinable keys-input devices/housings (FIGS.