Abstract: An optical navigation device control method comprising: (a) computing brightness contrast information of original images captured by an image sensor of an optical navigation device; (b) computing brightness variation levels of the original images; (c) improving image qualities of the original images based on the brightness contrast information and the brightness variation levels, to generate adjusted images; and (d) computing movements of the optical navigation device based on displacement between the adjusted images. The optical navigation device is located on a surface. The step (d) comprises: collecting reference images of different parts of the surface for a plurality of combinations of moving directions of the optical navigation device and placement directions of the surface; and determining a type of the surface via comparing images of a current surface with the reference images.

Abstract: A computer peripheral device (e.g., a computer mouse) includes an optical sensor configured to generate optical data corresponding to a surface that the computer peripheral device is placed upon and a processor(s) configured to determine, based on the optical data, a relative displacement of the computer peripheral device along the surface, identify one or more characteristics of the surface based on the optical data; compare the one or more characteristics with one or more corresponding baseline characteristics stored in memory; classify, based on the comparing of the one or more characteristics with one or more corresponding baseline characteristics, a type of the surface; and adjust, based on the classified type of the surface, an aspect of the determination of the relative displacement of the peripheral device or an operation of the optical sensor that alters the generating of the optical data.

Abstract: A stylus includes a processor that acquires first coordinate values in a pen coordinate system at an occurrence position of a pen event detected by a pen sensor and acquires second coordinate values in a device coordinate system at the occurrence position of the pen event. The processor uses a plurality of sets of coordinate value pairs to determine conversion parameters for converting coordinates from the pen coordinate system into the device coordinate system and uses the determined conversion parameters and a measured amount of movement of the stylus to calculate coordinate values of the stylus in the device coordinate system.

Abstract: The present invention relates to devices and methods for detecting the amount (degree, extent) of material coating a medical device or substrate, in particular the present invention relates to devices and methods for detecting the amount of vaccine material coating a microarray patch.

Abstract: In accordance with some embodiments, systems, apparatus, interfaces, methods, and articles of manufacture are provided for creating shared experiences using peripheral devices. In various embodiments, data is captured about a first user's peripheral usage and environment. A determination is made based on the data as to the first users current experience. Aspects of the first user's experience are then recreated for a second user. In various embodiments, the experience is shared with the second user via peripherals and output devices.

Abstract: An apparatus and method for providing a structure and function to a pen-type handheld writing, reading or pointing device to enable usage of the device to perform operations similar to a computer mouse for a computing device. The structure includes an optical sensor, a portion of the optical sensor surface that can perform operations of a clickable button, and a structure to support a connection to the computing device.

Abstract: A method and apparatus include attaching a lighted cup holder to a seating arrangement. The lighted cup holder includes a cup holder body and a light-producing light source, with the cup holder body being attached to the seating arrangement and having a cup receptacle therein, the light-producing source being disposed within the cup receptacle for illuminating the receptacle. A light-sensitive element operatively connected to the light source selectively controls production of light by the light source in such a manner that illumination of the cup holder is provided only under conditions where visibility is reduced to the point that it becomes difficult to locate the cup holder. The light-sensitive element is mounted on a master lighted cup holder and controls illumination of the master lighted cup holder and one or more slave lighted cup holders operatively connected to the master lighted cup holder.

Abstract: A computer includes a processor and a memory storing instructions executable by the processor to instruct a first sensor to run at a scanning rate; in response to a trigger event, reduce the scanning rate; in response to receiving data from the first sensor indicating a newly present object, turn on a second sensor; and then record data from the second sensor. The second sensor has a higher power draw than the first sensor.

Abstract: A mouse device includes a casing, a light-transmissible element and at least one light-emitting element. The casing has an opening. The light-transmissible element is disposed within the casing. A portion of the light-transmissible element is exposed outside the opening of the casing. The light-transmissible element includes plural scattering patterns. The at least one light-emitting element is disposed within the casing and located beside the light-transmissible element. The at least one light-emitting element emits a light beam to an internal portion of the light-transmissible element. After the light beam is transmitted through the plural scattering patterns, the light beam is scattered by the plural scattering patterns, and the scattered light beam is transmitted through the opening of the casing and outputted.

Abstract: A computer readable recording medium comprising at least one program stored therein. An image quality improving method is performed when the program is executed. The image quality improving method comprises: (a) computing brightness contrast information of an original image captured by an image sensor of an optical navigation device; (b) computing a brightness variation level of the original image; and (c) improving an image quality of the original image based on the brightness contrast information and the brightness variation level.

Abstract: A computer readable recording medium storing at least one program, wherein an image quality improvement method is performed when the program is executed. The image quality improvement method comprising: (a) classifying data units of a target image to normal data units and abnormal data units based on relations between brightness values of the data units and a classification parameter, wherein the classification parameter is related with an image quality of the target image or the brightness values of the data units; and (b) adjusting the brightness values of the abnormal data units based on an adjusting parameter to generate adjusted brightness values, such that differences between the adjusted brightness values and the brightness values of the normal data units are reduced. An optical navigation method using the image quality improvement method is also disclosed.

Abstract: An information handling system mouse includes a position sensor that detects movement and a push button that detects button press inputs for communication to an information handling system. An indicator light exposed at an upper surface of the mouse provides an indication of power state, such as by illuminating a product logo. The position sensor detects positions with a focus aided by a resolution illumination light, such as a laser. The push button detects button press inputs with a scan performed at a processing resource, such as an MCU. The processing resource configures power on and off the resolution illumination light and the indicator light based upon position sensor focus and button press inputs by an end user that predict the end user's hand position on the mouse.

Abstract: An optical sensor arrangement comprises an optoelectronic device covered by a cover arrangement and being configured to emit or detect at least electromagnetic radiation with a first wavelength through an aperture of the cover arrangement. The optical sensor arrangement further comprises a mirror arrangement arranged between the optoelectronic device and the aperture and comprising a wavelength selective mirror with a passband and a stopband. The passband includes a first wavelength range including the first wavelength, the stopband includes a second wavelength range corresponding to visible light or vice versa.

Abstract: Disclosed are an infrared touch screen bezel for installing a functional assembly and a display terminal including the same. The infrared touch screen bezel (10) includes a frame body (11), a first infrared base panel (12), and a second infrared base panel (13); the first infrared base panel (12) and the second infrared base panel (13) are both arranged in a cavity (101) of the frame body (11), and a functional assembly (30) is arranged in a gap between the first infrared base panel (12) and the second infrared base panel (13); the first infrared base panel (12) and the second infrared base panel (13) are electrically connected through a first flexible circuit board (14). The above-mentioned infrared touch screen bezel (10) may greatly reduce the width of the frame required to install a functional assembly without affecting the infrared touch function.

Abstract: A system configured to perform an eye tracking process using a head-mountable eye-tracking arrangement, the system comprising an eye tracking unit, located on the head-mountable arrangement, operable to detect motion of one or both of the user's eyes, a relative motion identification unit operable to identify motion of the head-mountable arrangement relative to the user's head, and a correction unit operable to determine a correction to the eye tracking process in dependence upon the identified motion of the user's head relative to the head-mountable arrangement.

Abstract: A computer peripheral device (e.g., a computer mouse) includes an optical sensor configured to generate optical data corresponding to a surface that the computer peripheral device is placed upon and a processor(s) configured to determine, based on the optical data, a relative displacement of the computer peripheral device along the surface, identify one or more characteristics of the surface based on the optical data; compare the one or more characteristics with one or more corresponding baseline characteristics stored in memory; classify, based on the comparing of the one or more characteristics with one or more corresponding baseline characteristics, a type of the surface; and adjust, based on the classified type of the surface, an aspect of the determination of the relative displacement of the peripheral device or an operation of the optical sensor that alters the generating of the optical data.

Abstract: An optical computer mouse senses movement by detecting the variations in intensity of reflected primary colors from a surface over which the mouse is moved. The surface is illuminated by a plurality of colors of light. An image sensor is formed from an array of photodiodes covered with a color filter array that matches the primary colors of the lights and is used to detect intensity of reflected light of the primary colors from the surface on which the optical computer mouse rests. Variations in the intensity of at least one of the primary colors of reflected light are used to determine movement by the computer mouse. Both the intensity of the individual lights and sensitivity of the array of photo diodes are controlled by a controller.

Abstract: A mouse structure includes a base, a wheel, a shaft, a first and a second plates. The first and the second plates are disposed on the base. The shaft penetrates through an opening defined by a first lower surface and two first upper surfaces of the first plate and an opening defined by two second upper surfaces of the second plate. A first and a second sections of the shaft respectively connect between the first and the second sub-shafts and between the first and the third sub-shafts of the shaft. The first sub-shaft penetrates through the wheel. A distance between the first lower surface and the axis diminishes away from the second plate. A distance between the second upper surfaces diminishes away from the first plate. Profiles of the first and the second sections respectively match with the first lower surface and the second upper surfaces.

Abstract: A method of adjusting an optical setting of an optical input device includes: determining a desired level of an intensity of captured reflected light reflected from a tracking surface; determining whether a surface changing event occurs; and adjusting an optical setting of the optical input device according to the desired level of the intensity of the captured reflected light if it is determined the surface changing event occurs.

Abstract: A power saving method for a peripheral device in a wireless operation mode is provided. The power saving method at least includes the steps of allowing the peripheral device to enter an idle mode and judging whether the peripheral device receives a startup trigger event. In the idle mode, the light source in an operation region of the peripheral device is in an on state or a high-brightness state. If the peripheral device receives the startup trigger event, the peripheral device is switched from the idle mode to a power saving mode. In the power saving mode, the light source in the operation region of the peripheral device is in an off state or a low-brightness state. The peripheral device in the power saving mode consumes less electric power than the peripheral device in the idle mode.

Abstract: In accordance with some embodiments, systems, apparatus, interfaces, methods, and articles of manufacture are provided for creating shared experiences using peripheral devices. In various embodiments, data is captured about a first user's peripheral usage and environment. A determination is made based on the data as to the first user's current experience. Aspects of the first user's experience are then recreated for a second user. In various embodiments, the experience is shared with the second user via peripherals and output devices.

Abstract: A method and system configured to receive a first report from a computer peripheral device, determine a trajectory of the computer peripheral device based on the first report, and determine a predicted activity level of the computer peripheral device based on the first report. The method and system can be further configured to compare the predicted activity level of the computer peripheral device with a baseline activity level and in response to determining that the predicted activity level of the computer peripheral device exceeds the baseline activity level, generate and send a first command to the computer peripheral device configured to cause the computer peripheral device to send a subsequent report of aggregated movement data at a first report rate.

Abstract: There is provided a navigation device including an image sensor, an analog to digital converter and a processor. The image sensor is used to output an analog image using an exposure time. The analog to digital converter is used to convert the analog image to a digital image using a resolution. The processor is used to identify an image quality of the digital image, and adjust at least one of the exposure time of the image sensor and the resolution of the analog to digital converter according to the image quality thereby adjusting the operation power by changing data length actually processed by the processor.

Abstract: The present disclosure discloses a display driving apparatus configured to process data by using a low voltage bias current, process a source signal by using a high voltage bias current, and provide the low voltage bias current and the high voltage bias current by using one bias core.

Abstract: A stylus includes a processor that acquires first coordinate values in a pen coordinate system at an occurrence position of a pen event detected by a pen sensor and acquires second coordinate values in a device coordinate system at the occurrence position of the pen event. The processor uses a plurality of sets of coordinate value pairs to determine conversion parameters for converting coordinates from the pen coordinate system into the device coordinate system and uses the determined conversion parameters and a measured amount of movement of the stylus to calculate coordinate values of the stylus in the device coordinate system.

Abstract: An electronic device such as a head-mounted device may have a transparent member supported by head-mounted support structures. Optical sensors such as time-of-flight sensors and other optical sensors may have light-emitting components and light-detecting components. A stray light blocking structure may be formed in the transparent member. The stray light blocking structure may be configured to block stray light that is traveling laterally through an interior portion of the polymer layer. This prevents the stray light from being received by the light-detecting detecting device. The stray light blocking structure may formed by providing the polymer layer with light redirecting structures such as protrusions and/or recesses. Light-absorbing coatings and/or patterned surfaces such as textured surfaces may be incorporated into the stray light blocking structure.

Abstract: A method applied into an optical navigation device, used to communicate with a remote computer device based on a transmission interface, includes: capturing image frames according to a specific frame rate to obtain actual displacement data corresponding to the captured image frames, the specific frame rate being lower than a specific reporting rate specified by the transmission interface; generating predicted displacement data based on the actual displacement data; using the actual displacement data and the predicted displacement data to form resultant displacement data which is to be outputted; and outputting the resultant displacement data to the remote computer device based on the specific reporting rate specified by the transmission interface.

Abstract: There is provided an optical engine for a navigation device including a first light source, a second light source, a lens, a barrier structure and an image sensor. The barrier structure has a first space for containing the first light source, a second space for containing the lens and a third space for containing the second light source and the image sensor. The reflected light associated with the first light source propagates to the image sensor via the lens in the second space. The reflected light associated with the second light source propagates to the image sensor via the third space without passing through the lens in the second space.

Abstract: In certain embodiments, an input device includes a housing, a processor disposed in the housing, and an image sensor to track a movement of the input device with respect to an underlying surface. The image sensor includes a pixel array and operates in two modes of operation including a first mode of operation where the processor causes the image sensor to utilize a first plurality of pixels in the pixel array when tracking the movement of the input device or a second mode of operation where the processor causes the image sensor to utilize a second plurality of pixels in the pixel array when tracking the movement of the input device, where the second plurality of pixels has fewer pixels than the first plurality of pixels.

Abstract: There is provided an optical sensor including a pixel matrix and a readout circuit. The pixel matrix includes multiple pixels arranged in a matrix, and each of the multiple pixels outputs temporal difference pixel data. The readout circuit sequentially reads the pixel matrix using a readout block, and performs the hybrid difference calculation on the temporal difference pixel data of pixels within the readout block. Accordingly, the output of the readout circuit is the data accomplishing temporal difference and spatial difference.

Abstract: A method for making a light-emitting diode (LED) emitter module includes providing a substrate and providing two or more groups of LED dies disposed on the substrate. Each group has one or more LED dies, and each of the LED dies is coupled to an electrical contact and electrical paths are configured for feeding separate electrical currents to the groups of LED dies. The method also includes determining information associating a plurality output light colors with a corresponding plurality of combinations of electrical currents, each combination specifying a plurality of electrical current values, each electrical current value being associated with an LED die from one of the two or more groups of LED dies. The method also includes storing the information in the memory device, and providing a circuit for accessing the information in a memory device.

Abstract: A method of detecting, measuring, logging, and tracking a user's consumption of liquid through an electronic wearable on a person's wrist, hand, or other extremity used for consuming beverages is described. In preferred embodiments, the electronic wearable can detect individual sips, the final sip of a beverage, and the type of container the beverage is being consumed from.

Abstract: There is provided a navigation device including an image sensor and a processing unit. The image sensor is configured to capture reflected light of a work surface with a low-speed period to generate image frames, wherein the image sensor captures a pair of image frames in each low-speed period. The processing unit is configured to calculate acceleration according to the pair of image frames to accordingly identify whether to adjust the low-speed period to a high-speed period.

Abstract: Disclosed is an optical navigation system, which comprises: a main control circuit; an activating device, coupled to the main control circuit; and an optical sensor, coupled to the main control circuit and the activating device. The main control circuit controls the activating device to transit from a first standby mode to a first active mode when the optical sensor enters a second standby mode. The activating device generates an activating command to transit the optical sensor from the second standby mode to a second activate mode corresponding to a specific action, when the activating device is in the first active mode. By this way, the optical sensor can be activated via another device rather than the optical data sensed by itself, thus the power consumption can be reduced.

Abstract: A user terminal device and a method for displaying on a user terminal device. The method includes displaying a first screen, detecting a user interaction to rotate the first screen while the first screen is displayed, and in response to the detected user interaction, displaying the first screen in a rotated state in a clockwise or counterclockwise direction at a predetermined angle and displaying a second screen related to the rotated first screen on at least one of a plurality of corner areas of the user terminal device.

Abstract: A mouse includes a housing, a button, and a slider. The button is pivotally connected to the housing. The button includes a first abutting portion. The slider is slidably engaged with the housing. The slider includes a second abutting portion. When the slider is located at a first position relative to the housing, the first abutting portion abuts against the second abutting portion. When the slider is located at a second position relative to the housing, the first abutting portion is separated from the second abutting portion.

Abstract: An image sensing system control method, comprises: (a) calculating a first motion delta between a first image frame and a second image frame following the first image frame by the image sensor; (b) calculating a first output motion delta according to a first time difference, a second time difference and the first motion delta by the image sensor if the image sensor receives a first polling from the control circuit, wherein the first time difference means a time difference between a time of the first polling and a time of the first image frame, and the second time difference means a time difference between a time of the first polling and a time of the second image frame; and (c) outputting the first output motion delta to the control circuit from the image sensor.

Abstract: The present invention provides a luminous scroll module applied to a mouse, including: a scroll, an inner wheel, and a luminous module. The inner wheel is arranged in a groove of the scroll, and the scroll is capable of rotating relative to the inner wheel. The luminous module is arranged in the inner wheel. A luminous unit of the luminous module is configured to emit a light beam, and the light beam passes through a light source opening of the inner wheel to the scroll.

Abstract: Disclosed is a system which uses one or more camera units with embedded processors to measure the relative translation and/or rotation between different members on an aerial device. Image data from each unit is processed and transmitted processing to the position control system of the aerial device, and used to determine the position of an aerial element of the device.

Abstract: Devices and methods are disclosed for determining relative motion. In one implementation, an interferometer is provided. The interferometer may include a body, a light source configured to project a coherent light to an opposing surface, a plurality of pairs of light detectors configured to convert reflections of the coherent light into photocurrents, and a processor. The processor may be configured to detect changes in the photocurrents, wherein a first change in the photocurrents, which occurs in response to a relative motion between the body and the opposing surface, represents a motion signal, and a second change in the photocurrents represents a noise signal. The processor may also determine the relative motion between the body and the opposing surface based on the first change in the photocurrents when a ratio between a power of the motion signal and a power of the noise signal is below about 10.

Abstract: An electronic device comprises an image sensor that captures a sequence of image frames of a scene. The electronic device includes circuitry that generates an optical flow map for a current frame of the sequence of image frames received from the image sensor. The circuitry determines a plurality of likelihood-of-prominence values for the plurality of regions, based on the generated optical flow map and a motion vector that maps to a direction of motion of the electronic device. The circuitry is configured to detect at least a first region that has a direction of motion similar to that of the electronic device, as a region-of-prominence, based on the determined plurality of likelihood-of-prominence values for the plurality of regions. The circuitry is configured to track the desired object in the sequence of image frames based on the detection of the first region of the current frame as the region-of-prominence.

Abstract: A system configured for tracking a human hand in an augmented reality environment may comprise a distancing device, one or more physical processors, and/or other components. The distancing device may be configured to generate output signals conveying position information. The position information may include positions of surfaces of real-world objects, including surfaces of a human hand. Feature positions of one or more hand features of the hand may be determined through iterative operations of determining estimated feature positions of individual hand features from estimated feature position of other ones of the hand features.

Abstract: A sensor device is disclosed. In an embodiment, the sensor device includes a carrier having a plane carrier surface, a plurality of photodetectors arranged on the carrier surface, each photodetector including a photosensitive sensor area and a lens arrangement arranged opposite the sensor areas, wherein the lens arrangement includes an optical axis, wherein the lens arrangement is configured to image electromagnetic radiation onto the sensor areas, wherein the plurality of photodetectors comprise at least one first photodetector having a first sensor area, the first sensor area comprises at least one property which differs from a property of a second sensor area of a second photodetector of the plurality of photodetectors, and wherein the second photodetector is arranged closer to the optical axis than the at least one first photodetector in order to reduce an optical imaging aberration of the lens arrangement.

Abstract: A navigation device including an image sensor, a processor and a memory is provided. The memory stores a lookup table of a plurality of moving speeds each corresponding to one frame period. The image sensor captures image frames successively. The processor calculates a current speed according to a current image frame and a previous image frame, reads a frame period from the lookup table according to the calculated current speed, wherein the read frame period is multiplied by a ratio, which is smaller than 1, when an acceleration is confirmed by the processor according to the captured image frames.

Abstract: In certain embodiments, an input device includes a housing, a processor disposed in the housing, and an image sensor to track a movement of the input device with respect to an underlying surface. The image sensor includes a pixel array and operates in two modes of operation including a first mode of operation where the processor causes the image sensor to utilize a first plurality of pixels in the pixel array when tracking the movement of the input device or a second mode of operation where the processor causes the image sensor to utilize a second plurality of pixels in the pixel array when tracking the movement of the input device, where the second plurality of pixels has fewer pixels than the first plurality of pixels.

Abstract: Display device ON/OFF detection methods and apparatus are disclosed. Example display activity detectors disclosed herein are to extract regions from respective ones of captured video frames, the regions corresponding to a depiction of a display of a monitored media device Disclosed example display activity detectors are also to compute a distance metric that is to represent an amount a first one of the regions of a first one of the captured video frames differs from a corresponding second one of the regions of a second one of the captured video frames. Disclosed example display activity detectors are further to compare the distance metric to a threshold to determine whether the monitored media device is ON or OFF.

Abstract: A wearable device mountable on a head, the wearable device comprising: at least one imager configured to capture scenery in front of a user; and at least one controller configured to detect a shield in a captured image by the imager, wherein the at least one controller is further configured to execute acquisition of the captured image upon movement of the shield from an inside to an outside of an imaging range of the imager.

Abstract: Various systems and methods for providing a vision-based robot control system are provided herein. A vision-based robot control system comprises a camera system interface to receive image data from a camera system; a trigger detection unit to determine a triggering action from the image data; and a transceiver to initiate a robot operation associated with the triggering action.

Abstract: A navigation device including an image sensor, a processor and a memory is provided. The memory stores a lookup table of a plurality of moving speeds each corresponding to one frame period. The image sensor captures image frames successively. The processor calculates a current speed according to a current image frame and a previous image frame, reads a frame period from the lookup table according to the calculated current speed, wherein the read frame period is multiplied by a ratio, which is smaller than 1, when an acceleration is confirmed by the processor according to the captured image frames.

Abstract: Wearable devices are described herein including at least two photodetectors and a mount configured to mount the at least two photodetectors to an external surface of a wearer. The at least two photodetectors are configured to detect alignment between the wearable device and a target on or in the body of the wearer (e.g., to detect the location of vasculature within the body of the wearer relative to the at least two photodetectors). Alignment of the at least two photodetectors relative to the target could enable detection of one or more physiological properties of the wearer. For example, the wearable device could include a sensor configured to detect a property of the target when the sensor is above the target, and alignment of the target relative to the at least two photodetectors could include the sensor being located above the target.