Abstract: A force sensing switch for use in an electronic device can include one or more dome switches disposed over a top surface of a deflectable beam. One or more strain gauges can be disposed over at least one surface of the deflectable beam. An electronic device that includes at least one force sensing switch can further include a processing device operatively connected to the one or more strain gauges. Alternatively or additionally, an electrode can be disposed under a bottom surface of the deflectable beam and a capacitance measured between the bottom surface and the electrode.

Abstract: A low travel switch assembly and systems and methods for using the same are disclosed. The low travel dome may include a domed surface having upper and lower portions, and a set of tuning members integrated within the domed surface between the upper and lower portions. The tuning members may be operative to control a force-displacement curve characteristic of the low travel dome.

Abstract: A key mechanism including one or more butterfly hinges. Each butterfly hinge may include a double wing design operative to move between a depressed position and non-depressed position. Hinged coupling mechanisms couple respective arms of the wings together. Additionally or alternatively, a key mechanism can include one or more half-butterfly hinges. Each half-butterfly hinge includes a double wing design operative to move between a depressed position and non-depressed position. A hinged coupling mechanism couples one set of corresponding arms of the wings together, while the other set of corresponding arms are not coupled together.

Abstract: A low travel switch and systems for using the same. A low travel switch may include a key cap and an elastomeric dome configured to provide a predefined tactile feedback over a predefined travel distance of the key cap when the key cap is depressed by a user.

Abstract: A key mechanism can include one or more butterfly hinges. Each butterfly hinge includes a double wing design operative to move between a depressed position and non-depressed position. Hinged coupling mechanisms couple respective arms of the wings together.

Abstract: A portable computing device includes at least a base portion of a lightweight material that includes at least a wedge shaped top case having a trough formed at an interfacing edge thereof. The trough includes a raised portion having a first contact surface and a receiving area, and a bottom case coupled to the top case to form a complete housing for at least a portion of the portable computing device for enclosing at least a plurality of operational components and a plurality of structural components. The portable computing device also includes at least a lid portion pivotally connected to the base portion by a hinge assembly. In the described embodiments, the lid portion has a display in communication with one or more of the plurality of components in the base portion by way of or more electrical conductors that electrically connect the base portion to the lid portion.

Abstract: A polarized electromagnetic actuator includes a movable armature, a stator, and at least one coil wrapped around the stator. At least one permanent magnet is disposed over the stator. When a current is applied to the at least one coil, the at least one coil is configured to reduce a magnetic flux of at least one permanent magnet in one direction and increase a magnetic flux of at least one permanent magnet in another direction. The movable armature moves in the direction of the increased magnetic flux.

Abstract: A low travel switch assembly and systems and methods for using the same are disclosed. The low travel dome may include a domed surface having upper and lower portions, and a set of tuning members integrated within the domed surface between the upper and lower portions. The tuning members may be operative to control a force-displacement curve characteristic of the low travel dome.

Abstract: A remote control device includes a housing and an upper element. The top surface of the upper element can be partitioned to include different frictionally engaging surfaces. At least one frictionally engaging surface can be used as an input surface that receives user inputs such as touch or force inputs. An input device, such as a force sensing switch, can be positioned in the housing and used in determining an amount of force applied to the input surface. The bottom surface of the upper element below the second surface can be affixed to the housing in a manner that permits the input surface to bend based on the applied force.

Abstract: A key and a switch housing for a keyboard assembly is disclosed. A switch housing for the keyboard assembly may include a body having a switch opening and a light source recess formed adjacent the switch opening. The switch opening may house or receive a dome switch for the keyboard assembly and the light source recess may house or receive a light source assembly configured to illuminate a keycap of the keyboard assembly. The switch housing also can include a top panel integrally formed and molded to a portion of the body. The top panel covers the switch opening formed in the body and the top panel is a light guide.

Abstract: A venting system for a keyboard assembly is disclosed. A keyboard assembly including a printed circuit board defining a set of apertures, and a group of switch housings coupled to the printed circuit board. Each switch housing of the group of switch housings may define a switch opening positioned above one of the set of apertures of the printed circuit board. The keyboard assembly may also include a shield defining at least one channel of a venting system formed below the printed circuit board. The at least one channel may be in fluid communication with at least one aperture, and at least one of the switch openings positioned above the at least one aperture.

Abstract: A dome switch utilized in a keyboard assembly is disclosed. The keyboard assembly may include a printed circuit board having a first electrical connector formed in the printed circuit board, and a second electrical connector formed in the printed circuit board adjacent the first electrical connector. The keyboard assembly may also include an inner contact component contacting the second electrical connector of the printed circuit board. The inner contact component may be in electrical communication with the second electrical connector of the printed circuit board. Additionally, the keyboard assembly can include a dome switch surrounding the inner contact component. The dome switch may contact and may be in electrical communication with the first electrical connector of the printed circuit board.

Abstract: A haptic feedback assembly includes interconnections for mechanically and electrically securing a haptic actuator in a track pad assembly so as to securely and efficiently provide haptic feedback to a user.

Abstract: A haptic feedback assembly includes interconnections for mechanically and electrically securing a haptic actuator in a track pad assembly so as to securely and efficiently provide haptic feedback to a user.

Abstract: The present application describes various embodiments of systems and methods for providing internal components for portable computing devices having a thin profile. More particularly, the present application describes internal components configured to fit within a relatively thin outer enclosure.

Abstract: An input device, such as a keyboard, includes one or more keys that each includes a keycap operable to move within an aperture of a frame to activate a switch and fabric disposed over the frame and keycap. A first region of the fabric is bonded to the keycap and a second region of the fabric is bonded to the frame. The first region may be an embossed region and the second region may be an unembossed region. The fabric may dampen sound from within the keyboard, such as noise related to movement of the keycap, activation of the switch, and so on. The fabric may also form a barrier that restricts passage of contaminants into the aperture and/or other portions of the input device.

Abstract: A backlit keyboard including a metal reflective component. The backlit keyboard may include a top case, and a plurality of keys positioned adjacent a membrane. The plurality of keys may be positioned within the top case. The keyboard may also include a metal feature plate positioned adjacent to the membrane, and a light guide positioned adjacent the metal feature plate. The backlit keyboard may also include a light source positioned on a portion of the light guide. Additionally, the keyboard may include a metal reflective component positioned adjacent the light guide. The metal reflective component may be coupled to the top case, or the metal feature plate. The reflective component may form a substantially rigid end layer, that may provide structural support to at least a portion of the layers included in the backlit keyboard.

Abstract: A keyswitch mechanism having reduced key rattle and a keyboard having reduced key rattle. A rattle suppression mechanism may be formed on a portion of the scissor mechanism or on a portion of the keycap. The rattle suppression mechanism is configured to maintain force on the portion of the scissor mechanism abutting the keycap.

Abstract: A key supported by a scissor mechanism including interlocking scissor members assembled to mutually pivot along a pivot track. A first scissor member may include a pivot track and an up-stop track and a second scissor member may include at least a first and second extension portion positioned within the pivot track and the up-stop track respectively. When the key is depressed, the first extension portion may slide and at least partially pivot or rotate within the pivot track, and the second extension portion may slide within the up-stop track.