Abstract:
An optical fingerprint sensor includes: cover glass for receiving a finger; a transparent electrode layer below a bottom surface of the cover glass; an organic light emitting diode layer (OLED) below the transparent electrode layer; and a metal electrode layer below the OLED layer. Multiple openings extend through each of the transparent electrode layer, OLED layer, and metal electrode layer, and transmit reflected light reflected from a top surface of the cover glass when a finger is positioned over the top surface of the cover glass. A collimator or pinhole filter is below the metal electrode layer, and includes multiple apertures for transmitting the reflected light after the reflected light is transmitted through the multiple openings. An imager is below the bottom surface of the collimator or pinhole filter, and includes an array of pixels that detects the reflected light after the reflected light is transmitted through the multiple apertures.
Abstract:
A device and method for operating a capacitive touch screen input device configured to sense input objects and their applied force in a sensing region, the device including a pliable component having an input surface and characterized by a bending stiffness, and first and second arrays of sensor electrodes. The input device further includes a third array of sensor electrodes and a spacing layer disposed between the third array. The pliable component is characterized by a compressive stiffness and configured to deform in response to a force applied to the input surface and to deflect the second array of sensor electrodes towards the third array of sensor electrodes, wherein the deformation of the input surface and the deflection of the second array of sensor electrodes is a function of the ratio of the bending stiffness of the pliable component and the compressive stiffness of the spacing layer.
Abstract:
Methods, systems and devices are described for operating an electronic system which includes a first plurality of sensor electrodes disposed in a first layer and configured to detect input objects at an input surface of the input device, the first plurality of sensor electrodes including a first subset of transmitter electrodes; a second plurality of sensor electrodes configured to detect a force imparted to the input surface and configured for capacitive coupling with the first subset of transmitter electrodes; and a compressible dielectric configured to compress in response to force applied to the input surface. The capacitive coupling between the transmitter electrodes and the second plurality of sensor electrodes is configured to vary in response to the applied force.
Abstract:
A method and apparatus for voice search. A voice search system for a voice-enabled device captures one or more images of a scene, detects a user in the one or more images, determines whether the position of the user satisfies an attention-based trigger condition for initiating a voice search operation, and selectively transmits a voice query to a network resource based at least in part on the determination. The voice query may include audio recorded from the scene and/or the one or more images captured of the scene. The voice search system may further determine whether the trigger condition is satisfied as a result of a false trigger and disable the voice-enabled device from transmitting the voice query to the network resource based at least in part on the trigger condition being satisfied as the result of a false trigger.
Abstract:
A device and method for operating a capacitive touch screen input device configured to sense input objects and their applied force in a sensing region, the device including a pliable component having an input surface and characterized by a bending stiffness, and first and second arrays of sensor electrodes. The input device further includes a third array of sensor electrodes and a spacing layer disposed between the third array. The pliable component is characterized by a compressive stiffness and configured to deform in response to a force applied to the input surface and to deflect the second array of sensor electrodes towards the third array of sensor electrodes, wherein the deformation of the input surface and the deflection of the second array of sensor electrodes is a function of the ratio of the bending stiffness of the pliable component and the compressive stiffness of the spacing layer.
Abstract:
Methods, systems and devices are described for operating input device for an electronic system including a pliable component having an input surface and a first plurality of sensor electrodes configured to sense input objects in a sensing region of the input device. The input device also includes a support substrate including at least one second sensor electrode spaced apart from the pliable component, and a patterned force sensitive resistance (FSR) layer disposed between the first plurality of sensor electrodes and the at least one second sensor electrode.
Abstract:
A force sensing apparatus includes a first layer having a first electrode disposed thereon, a second layer having a second electrode disposed thereon, and a spacer layer configured to transfer an input force exerted on the first layer to the second layer. The spacer layer causes a change in a separation distance between the first electrode and the second electrode in response to the input force. The force sensing apparatus further includes processing circuitry to detect a change in capacitive coupling between the first electrode and the second electrode based on the change in separation distance, and to determine force information about the input force based at least in part on the detected change in capacitive coupling.
Abstract:
An electronic device including an optical sensor for optically sensing an image of an input object such as a user's fingerprint is provided. The electronic device includes a display layer, a detector, a pinhole layer, a cover layer and an illuminator. The display layer is configured to generate light within a visible light spectrum. The detector is configured to be sensitive to a wavelength of light. The pinhole layer is located above both the display layer and the detector. The cover layer is located above the pinhole layer, and the illuminator is configured to illuminate a sensing region of the cover layer with the wavelength of light. Further, the pinhole layer has an array of pinhole apertures formed in a material substantially transparent to the light generated by the display layer and substantially opaque to the wavelength of light from the illuminator.
Abstract:
Methods, systems and devices are described for operating an electronic system which includes a pliable component having an input surface, a first array of sensor electrodes, a second array of sensor electrodes, and a third array of sensor electrodes. The input device also includes a conductive substrate spaced apart from the pliable component and a compliant component disposed between the pliable component and the conductive substrate. In response to pressure applied by an input object to the input surface, the pliable component and the first, second, and third arrays of sensor electrodes locally deform and the compliant component locally compresses such that a spacing between the conductive substrate and at least one electrode from each of the first, second, and third arrays decreases.
Abstract:
Methods, systems and devices are described for operating an electronic system which includes a first plurality of sensor electrodes disposed in a first layer and configured to detect input objects at an input surface of the input device, the first plurality of sensor electrodes including a first subset of transmitter electrodes; a second plurality of sensor electrodes configured to detect a force imparted to the input surface and configured for capacitive coupling with the first subset of transmitter electrodes; and a compressible dielectric configured to compress in response to force applied to the input surface. The capacitive coupling between the transmitter electrodes and the second plurality of sensor electrodes is configured to vary in response to the applied force.