Abstract: An apparatus may include a first headphone. The first headphone may include a first audio transducer and a second audio transducer. The first audio transducer may generate sound according to a first spectral mask and the second audio transducer may generate sound according to a second spectral mask. The first spectral mask and the second spectral mask may be adjustable at the first headphone. The first headphone may include a digital interface. The apparatus may further include a headphone controller to control the first headphone. The headphone controller may receive an audio signal from a portable electronic device and/or the headphone controller may transmit digital information representing speech, sound, or music to the first headphone. In response to a user input, the headphone controller may cause an adjustment to one or more of the first spectral mask or the second spectral mask.

Abstract: Devices, systems, and techniques are provided for integrating a touch screen with a fingerprint detection module as an assembly for a mobile device. The integrated touch screen/fingerprint sensor assembly includes at least two glass layers bonded together to provide overall mechanical strength for the touch screen display. The upper glass layer is a toughened/hardened cover glass that does not have an opening for fitting the fingerprint detection module through this glass layer. The lower glass layer is a support glass layer underneath the hardened cover glass to provide additional mechanical strength and to include an opening at a location close to an end of the support glass layer. The integrated touch screen/fingerprint sensor assembly also includes a fingerprint detection module positioned within the opening of the support glass layer and directly underneath the hardened cover glass.

Abstract: Devices, systems, and techniques are provided for enabling device-to-device communications between a first device equipped with a fingerprint detection module that includes a metal contact and a second device equipped with a capacitive coupling port. In one aspect, a technique for enabling the device-to-device communications includes: positioning the first device and the second device so that the metal contact of the fingerprint detection module of the first device is in capacitive coupling with the capacitive coupling port of the second device; and establishing device-to-device communication between the first device and the second device through electrical signaling between the metal contact of the first device and the capacitive coupling port of the second device. During the device-to-device communication, the metal contact operates as a transmitting and receiving electrode for sending and receiving electrical signals to and from the capacitive coupling port.

Abstract: Disclosed are systems, devices and methods for providing fingerprint sensors based on ultrasound imaging techniques in electronic devices and fabrication techniques for producing ultrasound-based fingerprint sensors. In some aspects, an ultrasound fingerprint sensor device includes an intermediate layer coupled to a base chip including an integrated circuit having conducive contacts at a surface of the base chip, the intermediate layer including an insulation layer formed on the base chip and a corresponding array of channeling electrode structures coupled to the conductive contacts and passing through the insulation layer, in which the channeling electrodes terminate at or above a top surface of the insulation layer to provide bottom electrodes; a plurality of ultrasonic transducer elements including an acoustic transducer material coupled to the bottom electrodes; and a plurality of top electrodes positioned on the ultrasonic transducer elements.

Abstract: Devices, systems, and techniques are provided for performing human fingerprint detection and authentication for authenticating a request to access a locked mobile device equipped with a fingerprint detection module. In one aspect, responsive to detecting a contact from an object with the fingerprint detection module, described technique can be used to determines whether the contact from the object is from human skin. When determined that the detected contact from the object is from human skin, a presence of a human fingerprint can be detected from the object making contact. The detected fingerprint data can be obtained from the object and compared against stored fingerprint profiles associated with an authorized user of the locked mobile device. Based on the comparing, the request to access the locked mobile device can be granted.

Abstract: Devices or systems with display designs to include both a main display zone and a peripheral display zone that collectively form a seamless contiguous display area for displaying images, content or information over the two zones as a single display area and further allowing for operating the peripheral display zone independently from the main display zone to display certain images, information, or content only on the peripheral display zone even when the main display zone is turned off. In addition to providing display functions separate from or in combination with the display functions by the main display zone, the peripheral display zone based on the disclosed technology can be used to provide for certain sensing functions by including one or more sensors under the display area for the peripheral display zone.

Abstract: In one aspect, a fingerprint sensor chip includes an array of senor pixels. At least one of the sensor pixels is designated as a reference sensor pixel and remaining sensor pixels in the array are designated to contribute to fingerprint data, The sensor chip includes a signal processing unit including amplifier circuitry to cancel out baseline signals from output signals of remaining sensor pixels based at least on an output signal of the reference sensor pixel.

Abstract: In one aspect, a fingerprint sensor device includes a touch panel with an integrated touch sensor module. The integrated touch sensor module includes sensing circuitry to generate a sensor signal responsive to detecting a contact input associated with a fingerprint. The sensing circuitry includes a fingerprint sensor to detect the contact input and generate a signal indicative of an image of the fingerprint, and a biometric sensor to generate a signal indicative of a biometric marker different form the fingerprint. The generated sensor signal includes the signal indicative of the image of the fingerprint and the signal indicative of the biometric marker different from the fingerprint. The sensing circuitry includes processing circuitry communicatively coupled to the sensing circuitry to process the generated sensor signal to determine whether the contact input associated with the fingerprint belongs to a live finger.

Abstract: An optical sensor can include a transmitter for transmitting a light and one or more optical receivers or sensors to receive light reflected from other vehicles and objects. The apparatus can include a first optical angle sensor to receive from an object first reflected light at a first angle between the object and the first angle sensor. The apparatus can further include a second optical angle sensor to receive second reflected light from the object at a second angle between the object and the second angle sensor. The first reflected light and the second reflected light can be the transmitted light reflected from the object. Circuitry can receive the first and second angles from the first and second optical angle sensors and can process the measured first and second angles to determine the position of the object.

Abstract: In one aspect, a fingerprint sensor device includes a substrate and a sensor chip disposed over the substrate. The sensor chip includes an array of sensor pixels configured to generate fingerprint data by sensing ridges and valleys of a surface of a finger contacting the fingerprint sensor device. Each sensor pixel includes a single sensor electrode an amplifier having an inverting terminal electrically connected to the sensor electrode and a non-inverting terminal electrically connected to a drive signal. The drive signal generates electric fields between the sensor electrode and at least one of the ridges and valleys of the surface of the finger contacting the fingerprint sensor device to generate a variable capacitor having a variable capacitance based at least partly on a distance between the sensor electrode and the at least one of the ridges and valleys of the finger.

Abstract: Touch sensing based on optical sensing as disclosed herein can be implemented by using an optical stylus or pointer that emits probe light for optical sensing, and spatially distributed optical sensors at different spatial locations for sensing. The measurements from the different optical sensors can be processed to determine the position of the light from the optical stylus at the screen. Optical sensing of a position on a two-dimensional surface and a position in a three-dimensional space can be achieved for various optical touch sensing applications. In one implementation, an apparatus can include a screen or display, an optical stylus or optical pointer, and two or more optical angle sensors which determine, respectively, a first angle between the first optical angle sensor and a position of light at the screen and a second angle between the second optical angle sensor and the position of light at the screen.

Abstract: In one aspect, a method for registering a fingerprint profile on a mobile device includes detecting, at a fingerprint detection module having a rectangular shape, a contact from a finger associated with a swipe motion. The method includes responsive to the detected contact at the fingerprint detection module having a rectangular shape, capturing an image of the finger during the swipe motion. The method includes storing the image of the finger captured during the swipe motion as a registered fingerprint profile of an authorized user.

Abstract: Devices and optical sensor modules are provided for provide on-screen optical sensing of fingerprints by using a under-screen optical sensor module that captures and detects returned light that is emitted by the display screen for displaying images and that is reflected back by the top surface of the screen assembly. Optical collimators are provided in the under-screen optical sensor module to enhance the optical imaging performance. Techniques for reducing the environmental light in the optical sensing are provided.

Abstract: A fingerprint sensor device includes a touch panel with an integrated touch sensor module is provided. The integrated touch sensor module includes sensing circuitry to generate a sensor signal responsive to detecting a contact input associated with a fingerprint. The sensing circuitry includes a fingerprint sensor to detect the contact input and generate a signal indicative of an image of the fingerprint, and a biometric sensor to generate a signal indicative of a biometric marker different form the fingerprint. The generated sensor signal includes the signal indicative of the image of the fingerprint and the signal indicative of the biometric marker different from the fingerprint. The sensing circuitry includes processing circuitry communicatively coupled to the sensing circuitry to process the generated sensor signal to determine whether the contact input associated with the fingerprint belongs to a live finger.

Abstract: Devices, systems, and techniques are provided for integrating a touch screen with a fingerprint detection module as an assembly for a mobile device. The integrated touch screen/fingerprint sensor assembly includes at least two glass layers bonded together to provide overall mechanical strength for the touch screen display. The upper glass layer is a toughened/hardened cover glass that does not have an opening for fitting the fingerprint detection module through this glass layer. The lower glass layer is a support glass layer underneath the hardened cover glass to provide additional mechanical strength and to include an opening at a location close to an end of the support glass layer. The integrated touch screen/fingerprint sensor assembly also includes a fingerprint detection module positioned within the opening of the support glass layer and directly underneath the hardened cover glass.

Abstract: Lighting systems, devices and techniques are provided to construct solid-state lighting devices and systems that provide energy-efficient illumination, including personal lighting devices, desktop lighting devices, and ceiling/overhead lighting devices based on semiconductor-based solid-state light sources such as LEDs or laser diodes. The disclosed solid-state lighting devices and systems use an illumination plate to receive the generated light from one or more LEDs or laser diodes and to process the received light to exhibit desired spatial distribution of light power across the illumination plate and desired direction of the output light from the illumination plate.

Abstract: Devices and optical sensor modules are provided for provide on-screen optical sensing of fingerprints by using a under-screen optical sensor module that captures and detects returned light that is emitted by a LCD display screen for displaying images and that is reflected back by the top surface of the screen assembly.

Abstract: Devices, systems, and techniques are provided for performing human fingerprint detection and authentication for authenticating a request to access a locked mobile device equipped with a fingerprint detection module. In one aspect, responsive to detecting a contact from an object with the fingerprint detection module, described technique can be used to determines whether the contact from the object is from human skin. When determined that the detected contact from the object is from human skin, a presence of a human fingerprint can be detected from the object making contact. The detected fingerprint data can be obtained from the object and compared against stored fingerprint profiles associated with an authorized user of the locked mobile device. Based on the comparing, the request to access the locked mobile device can be granted.

Abstract: A device is provided to include a display panel and an optical sensor module. The optical fingerprint sensor can detect an contact input and generate a signal indicative of an image of the fingerprint and to generate a signal indicative of a biometric marker different form the fingerprint. The generated sensor signal includes the signal indicative of the image of the fingerprint and the signal indicative of the biometric marker different from the fingerprint. The optical sensor module can capture different fingerprint patterns at different times to monitor time-domain evolution of the fingerprint ridge pattern deformation that indicates time-domain evolution of a press force from the contact input. The sensing circuitry can process the generated sensor signal to determine whether the contact input associated with the fingerprint belongs to a finger of a live person.

Abstract: An electronic device, specifically, a mobile terminal, includes a sensing identification module. The sensing identification module is arranged within a casing of the mobile terminal, and an area of an outer surface of the casing corresponding to the sensing identification module serves as a touch area, and at least part of the touch area is concave or convex.