Abstract: A game controller for a mobile device, the game controller having a first handle, a bridge, a first spring mechanism, and a first latch mechanism. The first handle is configured to contact and support a mobile device and includes a user-accessible, first hardware interface on a main body portion of the first handle. The bridge is in sliding engagement with the first handle. The bridge and the first handle are configured for the main body portion of the first handle to translate in a retraction direction toward a midline of the bridge and into a retracted configuration and also to translate in an extension direction away from the midline of the bridge into an extended configuration. The first spring mechanism is configured to bias the first handle toward the retracted configuration. The first latch mechanism is configured to temporarily lock the bridge in the extended configuration.

Abstract: A game controller for a mobile device, the game controller including a first handle, a second handle, a bridge, and a flat, flexible cable. The first handle is configured to contact and support a mobile device. The first handle includes a user-accessible, first hardware interface on a main body portion of the first handle that is configured to accept touch inputs. The second handle is configured to contact and support the mobile device. The second handle includes a user-accessible, second hardware interface on a main body portion of the second handle that is configured to accept touch inputs. The bridge couples the first handle to the second handle. The bridge is in sliding engagement with the first handle and the second handle. The flat, flexible cable is configured to conduct an electrical signal between the first handle and the second handle.

Abstract: A game controller for a mobile device that includes a first handle, a first bumper, and a first switch. The first handle is configured to contact and support a mobile device. The first bumper is coupled to the first handle. The first bumper is configured to accept touch inputs. The first bumper includes a pivot rod at a first end of the first bumper that is configured to engage a track slot of the first handle. The pivot rod is configured to rotate within the track slot and to translate within the track slot. The first bumper further includes a plunger at a first-span distance from the pivot rod. The first switch is within the first handle and is configured to be activated by touch inputs to the first bumper. The plunger of the first bumper is configured to contact and impart a force to the first switch.

Abstract: A game controller for a mobile device that includes a first handle, a first bumper, and a first switch. The first handle is configured to contact and support a mobile device. The first bumper is coupled to the first handle. The first bumper is configured to accept touch inputs. The first bumper includes a pivot rod at a first end of the first bumper that is configured to engage a track slot of the first handle. The pivot rod is configured to rotate within the track slot and to translate within the track slot. The first bumper further includes a plunger at a first-span distance from the pivot rod. The first switch is within the first handle and is configured to be activated by touch inputs to the first bumper. The plunger of the first bumper is configured to contact and impart a force to the first switch.

Abstract: A game controller for a mobile device, the game controller including a first handle, a second handle, a bridge, and a flat, flexible cable. The first handle is configured to contact and support a mobile device. The first handle includes a user-accessible, first hardware interface on a main body portion of the first handle that is configured to accept touch inputs. The second handle is configured to contact and support the mobile device. The second handle includes a user-accessible, second hardware interface on a main body portion of the second handle that is configured to accept touch inputs. The bridge couples the first handle to the second handle. The bridge is in sliding engagement with the first handle and the second handle. The flat, flexible cable is configured to conduct an electrical signal between the first handle and the second handle.

Abstract: A game controller for a mobile device, the game controller having a first handle, a bridge, a first spring mechanism, and a first latch mechanism. The first handle is configured to contact and support a mobile device and includes a user-accessible, first hardware interface on a main body portion of the first handle. The bridge is in sliding engagement with the first handle. The bridge and the first handle are configured for the main body portion of the first handle to translate in a retraction direction toward a midline of the bridge and into a retracted configuration and also to translate in an extension direction away from the midline of the bridge into an extended configuration. The first spring mechanism is configured to bias the first handle toward the retracted configuration. The first latch mechanism is configured to temporarily lock the bridge in the extended configuration.

Abstract: A game controller for a mobile device, the game controller having a first handle, a bridge, a first spring mechanism, and a first latch mechanism. The first handle is configured to contact and support a mobile device and includes a user-accessible, first hardware interface on a main body portion of the first handle. The bridge is in sliding engagement with the first handle. The bridge and the first handle are configured for the main body portion of the first handle to translate in a retraction direction toward a midline of the bridge and into a retracted configuration and also to translate in an extension direction away from the midline of the bridge into an extended configuration. The first spring mechanism is configured to bias the first handle toward the retracted configuration. The first latch mechanism is configured to temporarily lock the bridge in the extended configuration.

Abstract: A game controller for a mobile device, the game controller including a first handle, a second handle, a bridge, and a flat, flexible cable. The first handle is configured to contact and support a mobile device. The first handle includes a user-accessible, first hardware interface on a main body portion of the first handle that is configured to accept touch inputs. The second handle is configured to contact and support the mobile device. The second handle includes a user-accessible, second hardware interface on a main body portion of the second handle that is configured to accept touch inputs. The bridge couples the first handle to the second handle. The bridge is in sliding engagement with the first handle and the second handle. The flat, flexible cable is configured to conduct an electrical signal between the first handle and the second handle.

Abstract: A game controller for a mobile device that includes a first handle, a first bumper, and a first switch. The first handle is configured to contact and support a mobile device. The first bumper is coupled to the first handle. The first bumper is configured to accept touch inputs. The first bumper includes a pivot rod at a first end of the first bumper that is configured to engage a track slot of the first handle. The pivot rod is configured to rotate within the track slot and to translate within the track slot. The first bumper further includes a plunger at a first-span distance from the pivot rod. The first switch is within the first handle and is configured to be activated by touch inputs to the first bumper. The plunger of the first bumper is configured to contact and impart a force to the first switch.

Abstract: A game controller for a mobile device, the game controller including a first handle, a bridge, and an acoustic waveguide. The first handle is configured to contact and support a mobile device and includes a user-accessible, first hardware interface on a main body portion of the first handle that is configured to accept touch inputs. The bridge extends from the main body portion of the first handle. The acoustic waveguide is at a juncture of the first handle and the bridge. The acoustic waveguide is configured to redirect sound emitted from the mobile device toward at least one of a front side of the game controller, a top side of the game controller, and a bottom side of the game controller.

Abstract: A game controller for a mobile device, the game controller having a first handle, a bridge, a first spring mechanism, and a first latch mechanism. The first handle is configured to contact and support a mobile device and includes a user-accessible, first hardware interface on a main body portion of the first handle. The bridge is in sliding engagement with the first handle. The bridge and the first handle are configured for the main body portion of the first handle to translate in a retraction direction toward a midline of the bridge and into a retracted configuration and also to translate in an extension direction away from the midline of the bridge into an extended configuration. The first spring mechanism is configured to bias the first handle toward the retracted configuration. The first latch mechanism is configured to temporarily lock the bridge in the extended configuration.

Abstract: An electronic smart pen is disclosed that comprises a housing with a twist ring and a marker that is configured to be in an exposed state or in a retracted state. In the exposed state a tip of the marker is exposed from the housing, while the retracted state has the tip being enclosed by the housing. The smart pen also comprises an internal power switch that toggles the electronics of the smart pen between an on-state and an off-state. Rotating the twist ring provides a combined mechanism to move the marker from the retracted state to the exposed state, while also toggling the power switch from the off-state to the on-state so that the marker is automatically extended when the pen is turned on.

Abstract: An electronic smart pen is disclosed that comprises a housing with a twist ring and a marker that is configured to be in an exposed state or in a retracted state. In the exposed state a tip of the marker is exposed from the housing, while the retracted state has the tip being enclosed by the housing. The smart pen also comprises an internal power switch that toggles the electronics of the smart pen between an on-state and an off-state. Rotating the twist ring provides a combined mechanism to move the marker from the retracted state to the exposed state, while also toggling the power switch from the off-state to the on-state so that the marker is automatically extended when the pen is turned on.

Abstract: A system for monitoring water chemistry of a recreational water installation includes a sensor configured to detect bather load in the recreational water installation and a controller configured to determine a required adjustment to the water chemistry of the recreational water installation based upon the detected bather load.