Abstract: Disclosed are optical sensors, optical fingerprint sensor packages, and methods for forming same. An optical sensor comprises: a substrate; an image sensor disposed over the substrate; a light source disposed over the substrate; a light guide disposed over the image sensor; and, an encapsulant disposed over the light source, wherein the encapsulant is coupled to the light guide and comprises a surface positioned to reflect light emitted from the light source and direct the reflected light into the light guide.

Abstract: Embodiments of the invention generally provide an input device having a plurality of sensor electrodes that can be configured to be scanned in a first direction or a second direction. The input device includes a set of sensor electrodes and first and second sets of buses. The first buses are oriented in a first direction and the second buses are oriented in a second direction. The input device also includes a set of switching elements that are each configured to couple one of the sensor electrodes to either a bus in the first set of buses or a bus in the second set of buses. These embodiments allow the sensor electrodes to be scanned in a variety of patterns for flexible sensing functionality.

Abstract: Method, systems, and apparatus for receiving the email message from a sender device; identifying, using data processing apparatus of a payment service system, a sender email address, a service email address, and one or more recipient email addresses from the email message; identifying, for the sender email address, a sender financial account associated with the payment service system and, for each of the one or more recipient email addresses, a respective recipient financial account associated with the payment service system; identifying a payment amount from a subject or body of the email message; submitting a request to transfer, using the payment service system, the payment amount from the respective sender financial account to the respective recipient financial account.

Abstract: A device and system for automatically tracking a baseline input into a biometric sensor is provided. The device and system include a processing system with an amplifier having an input terminal and an output terminal for producing an output signal based on the input signal received by the input terminal. The processing system further includes at least one signal conditioning element coupled to the input terminal of the amplifier and configured to condition a compensation signal, and the processing system further includes a control circuit that adjusts one or more signal conditioning parameters of the at least one signal conditioning element based on the output signal of the amplifier. The at least one input signal received by the input terminal includes a combination of the at least one compensation signal and a signal from a first set of one or more receiver electrodes of the biometric sensor.

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: A mobile device can send an identification code of a card reader coupled to the mobile device to a server system. In response to sending the identification code, the mobile device can receive a cryptographic key from the server system. The mobile device can receive a passcode via a user interface of the mobile device. The mobile device can then utilize the cryptographic key from the server system to facilitate secure communication between the card reader and the mobile device. Secure communication, for example, includes encrypting the passcode using the cryptographic key before sending the encrypted passcode from the mobile device to the card reader.

Abstract: A method of includes receiving hotspot identification data from the first device, where the identification data identifies a plurality of WiFi hotspots that are in proximity to the first device; determining that the second device is associated with the first device; sending the hotspot identification data to the second device, where the first device and second device are mobile devices; receiving an indication of proximity from the second device; and notifying the first device of the indication of proximity.

Abstract: A card reader configured to read a smart card can be detachably connected to a mobile computing device. When the card reader is attached to the mobile device, an application installed on the mobile computing device permits the mobile device to communicate with the card reader in order to process transactions. Security measures can be used on the mobile device to prevent theft of a PIN during software PIN entry of a payment transaction. The mobile device can prevent the keypad or other input interface from displaying feedback. The mobile device can also prevent passcodes from being stolen by displaying media encoded with digital rights management (DRM) and by managing the media and user inputs at a secure server. A mobile device can securely communicate with a card reader for a payment transaction using asymmetric or symmetric encryption.

Abstract: A card reader configured to read a smart card can be detachably connected to a mobile computing device. When the card reader is attached to the mobile device, an application installed on the mobile computing device permits the mobile device to communicate with the card reader in order to process transactions. Security measures can be used on the mobile device to prevent theft of a PIN during software PIN entry of a payment transaction. The mobile device can prevent the keypad or other input interface from displaying feedback. The mobile device can also prevent passcodes from being stolen by displaying media encoded with digital rights management (DRM) and by managing the media and user inputs at a secure server. A mobile device can securely communicate with a card reader for a payment transaction using asymmetric or symmetric encryption.

Abstract: A method includes receiving a request for a list of nearby user devices, where the list of nearby user devices will be sent to a merchant device, where the merchant device is associated with a merchant, where the merchant operates a plurality of merchant devices, and where the merchant device is included in the plurality of merchant devices; receiving a respective location for one or more user devices, where each user device is associated with the merchant; determining, for each of the one or more user devices, whether the user device is nearby the merchant device, based on the respective location, to the merchant device than the other merchant devices in the plurality of merchant devices; generating the list of nearby user devices based at least on the determination; and sending the list of nearby user devices to the merchant device.

Abstract: An input device having a plurality of low-visibility sensor electrodes and method for fabricating the same are provided. In one example, an input device includes a display device having an array of pixels and a plurality of sensor electrodes disposed on a viewing side of the display device. At least a first sensor electrode of the plurality of sensor electrodes includes a plurality of spaced apart conductive traces forming a conductive mesh, wherein mesh having a first periodicity defined by intersections of the conductive traces forming the mesh. A terminal portion of one of the conductive traces terminates at an edge of the first sensor electrode and has an attached light occluding element. The attached light occluding element is disposed over a subpixel having the same color as a subpixel which an intersecting trace would lay over when the intersection occurs in an interior region of the sensor electrode.

Abstract: This disclosure generally provides an input device that includes a multi-layered capacitive sensor which includes a first layer disposed over a second layer that contains a plurality of sensor electrodes coupled to respective traces. The first and second layers form a capacitive sensing stack where the first layer is between the second layer and a touch surface for interacting with the input object. The first and second layers may be disposed on either the same substrate or different substrates in the stack. In one embodiment, the first layer includes electrically floating electrodes and at least one guard electrode. These components may align with respective components in the second layer. For example, the electrically floating electrodes in the first layer may at least partially cover the sensor electrodes in the second layer.

Abstract: An input device having a plurality of low-visibility sensor electrodes and method for fabricating the same are provided. In one example, an input device includes a display device having an array of pixels and a plurality of sensor electrodes disposed on a viewing side of the display device. At least a first sensor electrode of the plurality of sensor electrodes includes a plurality of spaced apart conductive traces forming a conductive mesh, wherein mesh having a first periodicity defined by intersections of the conductive traces forming the mesh. A terminal portion of one of the conductive traces terminates at an edge of the first sensor electrode and has an attached light occluding element. The attached light occluding element is disposed over a subpixel having the same color as a subpixel which an intersecting trace would lay over when the intersection occurs in an interior region of the sensor electrode.

Abstract: A method of detecting location includes receiving, on a mobile device, a plurality of previously stored WiFi hotspots; detecting, on the mobile device, a plurality of surrounding WiFi hotspots; comparing the plurality of surrounding WiFi hotspots to determine one or more differences between the plurality of previously stored WiFi hotspots; determining the differences satisfy a difference threshold; sending the plurality of surrounding WiFi hotspots to a location lookup system; and receiving a response from the location lookup system.

Abstract: A method of includes receiving hotspot identification data from the first device, where the identification data identifies a plurality of WiFi hotspots that are in proximity to the first device; determining that the second device is associated with the first device; sending the hotspot identification data to the second device, where the first device and second device are mobile devices; receiving an indication of proximity from the second device; and notifying the first device of the indication of proximity.

Abstract: An input device having a plurality of low-visibility sensor electrodes and method for fabricating the same are provided. In one embodiment, an input device includes a plurality of sensor electrodes disposed over a display device. A first sensor electrode of the plurality of sensor electrodes includes a conductive mesh having a first periodicity defined by intersections of conductive traces forming the mesh. A terminal portion of one of the conductive traces terminating at an edge of the first sensor electrode has an orientation that is different than an orientation of a corresponding portion of the mesh defining the first periodicity. An end of the terminal portion proximate the edge laying over a subpixel has the same color as a subpixel of the display device which the end would lay over if the end had the same orientation as the corresponding portion of the mesh defining the first periodicity.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for determining, at a remote computing device, whether a first security measure has been compromised, wherein the first security measure is executed on a mobile device; and based on a determination that the first security measure has been compromised, performing a corrective measure, wherein the corrective measure is performed after a delay.

Abstract: Embodiments of the invention generally provide an input device having a plurality of sensor electrodes that can be configured to be scanned in a first direction or a second direction. The input device includes a set of sensor electrodes and first and second sets of buses. The first buses are oriented in a first direction and the second buses are oriented in a second direction. The input device also includes a set of switching elements that are each configured to couple one of the sensor electrodes to either a bus in the first set of buses or a bus in the second set of buses. These embodiments allow the sensor electrodes to be scanned in a variety of patterns for flexible sensing functionality.

Abstract: Patterns of sensor elements that can be used in capacitance sensing devices are described. A plurality of sensor elements extends in a radial direction from a shared center. A first subset of the sensor elements extend like spirals in a clockwise direction, and a second subset of the sensor elements extend like spirals in a counterclockwise direction.

Abstract: Method, systems, and apparatus for receiving the email message from a sender device; identifying, using data processing apparatus of a payment service system, a sender email address, a service email address, and one or more recipient email addresses from the email message; identifying, for the sender email address, a sender financial account associated with the payment service system and, for each of the one or more recipient email addresses, a respective recipient financial account associated with the payment service system; identifying a payment amount from a subject or body of the email message; submitting a request to transfer, using the payment service system, the payment amount from the respective sender financial account to the respective recipient financial account.