Patent application number | Description | Published |
20090010805 | ASSAYING DEVICE AND METHOD OF TRANSPORTING A FLUID IN AN ASSAYING DEVICE - An assaying device includes one or more detectors, a transporter and inlet that is connected to the one or more detectors by a one or more channels. The transporter includes one or more sealed, vacuum-containing chambers being connected to the channels, wherein each of the chambers includes an electrically activated puncture. The puncture is configured to puncture a wall of a chamber and cause a differential pressure in the one ore more channels, and thereby transport a fluid from the inlet to the one or more detectors. | 01-08-2009 |
20090273692 | REFERENCE DATA ENCODING IN IMAGE SENSORS - Data is encoded on an image sensor that has a plurality of pixels including one or more bio-sensing pixels and one or more data encoding pixels. The method includes applying a covering material selectively to the data encoding pixels depending on the data to be encoded, the covering material having a detectable difference in opacity relative to having no covering material present. The method includes reading the data encoding pixels, in the presence of light, and decoding data according to a pre-determined scheme depending on the presence of the covering material on the data encoding pixel. As bio-reagents are typically applied after manufacture of the image sensor, the image sensor can have information encoded for electronic detection subsequent to manufacture. | 11-05-2009 |
20110019048 | SENSOR AND SENSOR SYSTEM FOR A CAMERA - A sensor module has first and second sensor arrays formed on a substrate, with the first and second sensor arrays adapted to share common readout circuitry and shared read out for a pair of sensors on a single array. | 01-27-2011 |
20110019247 | IMAGING SYSTEM AND METHOD - An imaging system for a scanner includes a sensor and a rod lens. The sensor has a linear array of photosensitive elements arranged in three rows and disposed at an angle such that the rows are at different distances from the lens and the object being scanned. When changes in focus occur, for example in scanning a book or a 3D object, the photosensitive elements giving the sharpest image are selected. The angle is achieved by mounting the sensor to a PCB via solder bumps arranged along one side of the sensor. | 01-27-2011 |
20110057906 | POINTING DEVICES - A touch pad uses a plurality of optical mouse type sensors. The sensors are optimized for detection of motion along the predominant direction of a user's finger as the finger is moved around the touch pad. A first one of the sensors functions to optically sense motion in a first direction, while a second one of the sensors functions to optically sense motion in a second, different, direction. The first and second directions are oriented a closed, for example, circular, path. | 03-10-2011 |
20110134033 | ELECTRONIC DEVICES - A mobile communications device includes a radiofrequency antenna, a navigation pad and a signal processor. The radiofrequency antenna, navigation pad, and signal processor cooperate to encode and transmit motion signals from the navigation pad to a computer so that the mobile communications device functions as a pointing device therefore. | 06-09-2011 |
20110141078 | AMBIENT LIGHT DETECTION - Ambient light is detected by a photodiode circuit by measuring the time taken for a digital output of the photodiode circuit to change state in response to exposure of a photodiode of the photodiode circuit to that ambient light. A nominal time for state change is calculated based on photodiode circuit characteristics. Furthermore, an effective time for the photodiode circuit digital output to change state is determined in a calibration mode where the photodiode has been disconnected and a reference current is applied to the circuit. An illumination value of the detected ambient light is then calculated as a function of: the measured time, the effective time and the nominal time. | 06-16-2011 |
20110157418 | IMAGE SENSOR ARRAYS - An array of image sensors are connected in a daisy chained arrangement. The sensors in the array are addressed on the basis of the number of pixels each of them processes. | 06-30-2011 |
20110216000 | IMAGE SENSORS - In a fingermouse image sensor, an array of radiation sensitive pixels is formed on an image sensing die at a position where the array of radiation sensitive pixels is formed off-center within the image sensing die. More specifically, the array of radiation sensitive pixels is formed as close as possible to an edge of the image sensing die. That image sensing die is mounted to a substrate at a position offset from a center of the substrate. More specifically, the image sensing die is positioned such that the edge of the image sensing die (where the array of radiation sensitive pixels is positioned) is adjacent an edge of the substrate. | 09-08-2011 |
20110291924 | OPTICAL NAVIGATION DEVICE AND ASSOCIATED METHODS - A sensor for an optical device includes an array of pixels in rows and columns which detect and process illumination falling thereon so as to identify inputs generated by a user on a surface of the optical device. A second reset period of variable length between a black calibration phase and an integration phase occurs in a processing cycle of a frame for each pixel, wherein the length of the second reset period is adjusted based on the ambient light conditions. | 12-01-2011 |
20120019663 | AUTOMATIC CONTROL MODULE FOR ELECTRONIC APPARATUS - A module is configured to control an electronic device equipped with an optical receiver for wireless remote control. The module includes a face detection circuit that detects the presence of a face within an area proximate to the electronic device. An optical transmission circuit operates to transmit an optical control signal to the electronic device in response a detected change in face detection status made by the face detection circuit. To assist operation of the face detection circuit, the optical transmission circuit is further configured to illuminate an area proximate to the electronic device. | 01-26-2012 |
20120138778 | OPTICAL NAVIGATION DEVICE - An optical navigation device may include an image sensor with an imaging surface, a laser, and an optical waveguide layer having an exposed user surface and a total internal reflection (TIR) surface on the underside of the exposed user surface. The waveguide layer, the laser, and the image sensor may be together arranged to direct radiation emitted by the laser onto the imaging surface at least partly by total internal reflection by the TIR surface. | 06-07-2012 |
20140063559 | ELECTRONIC DEVICE WITH AN ARRAY OF DAISY CHAINED IMAGE SENSORS AND ASSOCIATED METHODS - An electronic device includes an array of daisy chained image sensors, with each image sensor including a pixel array. A host is coupled to an image sensor at an end of the array and is configured to insert identification codes. The identification codes include embedded data values to thereby indicate specific parts of the image data, and a set of identification codes comprising a first identification code to identify a start of a data stream and a second identification code to identify an end of the data stream. | 03-06-2014 |
Patent application number | Description | Published |
20100065720 | OPTICAL SENSOR AND SENSING METHOD - An optical sensor includes an infra red LED, a photodectector and a lock in charge amplifier. The photodetector passes charge to a feedback capacitor of the charge amplifier following an illumination cycle during which the LED is emitting and also following an illumination cycle during which the LED does not emit. An amplifier presents an output indicative of the difference between the charge generated at the photodectector during the illuminated and non-illuminated cycles. | 03-18-2010 |
20110140208 | FABRICATION PROCESS OF A BIOSENSOR ON A SEMICONDUCTOR SUBSTRATE - The disclosure relates to a fabrication process of a biosensor on a semiconductor wafer, comprising steps of: making a central photosensitive zone comprising at least one pixel-type biological analysis device comprising a photosensitive layer, and a first peripheral zone surrounding the central photosensitive zone, comprising electronic circuits. The first peripheral zone is covered by a hydrophilic coating, and the central photosensitive zone is covered with a hydrophobic coating. A barrier of a bio-compatible resin is formed on the second peripheral zone. | 06-16-2011 |
20110140613 | COMPACT FLUORESCENT LAMPS - An ambient light sensor integrated in a compact fluorescent lamp that, in turn, may include a controller and a radiation source. The ambient light sensor may include a radiation receiver to receive and filter incident radiation to obtain a value of the level of infrared radiation, and an electronic module to determine if the value is above a reference threshold value to enable the controller to switch the state of the radiation source. | 06-16-2011 |
20110141020 | OPTICAL NAVIGATION DEVICE - A pointing device includes a light source which is detected to determine the motion of the pointing device. The pointing device further includes a sensor which is adapted to detect light from the light source in one type of operation to thereby determine the motion and which is adapted to detect ambient light in a second type of operation. | 06-16-2011 |
20110141021 | HIGH PRECISION OPTICAL NAVIGATION DEVICE - A handheld optical navigation device may include a first radiation source configured to produce a first beam of radiation onto a surface below the device, a first sensor configured to receive a first image based upon reflected radiation from the surface below the device, and to identify movement of the device based upon the first image for providing a first control action, and a second sensor configured to receive a second image based upon reflected radiation from an object different from the surface below the device, and to identify movement of the object based upon the second image for providing a second control action. | 06-16-2011 |
20110141487 | OR RELATING TO OPTICAL NAVIGATION DEVICES - An optical navigation device includes a navigation radiation source capable of producing a beam of radiation, and an optical element. The optical navigation device is for identifying movement of an object to thereby enable a control action to be carried out. A sensor is for receiving an image based upon reflected radiation from the navigation radiation source, and at least one illumination radiation source is for illuminating the optical navigation device. The device is operable, in recurrent cycles of at least reset, expose, and readout phases, to activate the at least one illumination radiation source during the reset phase. The reset phase may have the longest duration of the phases. | 06-16-2011 |
20110158853 | PIXEL-TYPE BIOLOGICAL ANALYSIS DEVICE, BIOSENSOR, AND FABRICATION PROCESSES THEREOF - The disclosure relates to a pixel-type biological analysis device comprising a photosensitive layer, a capture mixture for the capture of targeted proteins, the capture mixture being placed on an external surface of the photosensitive layer and comprising a protein probe grafted to a hydrogel, collection means for collecting photoelectrons in the photosensitive layer, and reading and treatment means of an electrical quantity supplied by the collection means, for the supply of a characteristic value of a luminous intensity detected by the photosensitive layer. | 06-30-2011 |
20110234544 | SOLID STATE IMAGE SENSOR SUITABLE FOR TOUCH SCREENS - Disclosed is a sensor apparatus comprising a plurality of pixels, a digital to analog converter for providing a ramp signal, A comparator for comparing the output level of each pixel to said ramp signal, and memory for storing the digital value that corresponds to said output level for each pixel, the sensor apparatus thereby converting the analog output level of each pixel to a digital value. The apparatus operates by providing an analog output that is sourced from the digital to analog converter used to provide said ramp signal. | 09-29-2011 |
20120075451 | MULTIMODE OPTICAL DEVICE AND ASSOCIATED METHODS - An optical device for use in an apparatus wherein the optical device is configured for use in a navigation mode and a fingerprint detection mode. By having the capability to operate in two modes, the optical device provides a cost effective approach for navigation and security. Using the same sensor for both functions reduces cost and space requirements, while satisfying functional objectives. | 03-29-2012 |
20130307676 | REMOTE CONTROL WITH MULTIPLE POINTING DEVICES IN DIFFERENT PLANES - A remote control device includes first and second pointing devices, wherein each pointing device is provided in a different plane, for the provision of flexible and ergonomic user commands. The first pointing device may be provided on an upper surface of a remote control housing (in a first plane) while the second pointing device may be provided on a lower surface of the remote control housing (in a second plane). In this configuration, a user's thumb may engage the first pointing device which the user's finger engages the second pointing device. Combinations of thumb and finger movement are detected through the pointing devices and interpreted to generate remote control signals. | 11-21-2013 |
20130307775 | GESTURE RECOGNITION - A system includes two or more optical sensors configured to generate image data based on gestures made by a user. One or more processing devices identifies movement quadrants based on the generated image data. If a match of the identified movement quadrants to one of a set of gesture commands is detected, one or more control signals associated with the matching gesture command are generated. | 11-21-2013 |
20140027606 | MODULE FOR PROXIMITY AND GESTURE SENSING - A module operates in a proximity detection mode and a gesture detection mode. The module includes an illumination source, radiation sensors and a controller. When in proximity detection mode, the illumination source emits radiation, the radiation sensors measure the radiation level, and the controller adjusts the measured radiation level to substantially cancel the contribution attributable to ambient radiation to determine the presence of a proximate object by. When in the gesture recognition mode, the level of radiation incident on the sensors is individually sampled, and the controller determines object movement by comparing the changes in the measured radiation levels over a plurality of the samples. Ambient radiation contribution is not removed from the sampled radiation levels during the gesture recognition mode. | 01-30-2014 |
20140353471 | DARK CURRENT CALIBRATION FOR A PHOTOSENSITIVE DEVICE - An imaging circuit includes at least one photosensitive device that provides an output in response to at least one photon and a compensation circuit configured to provide dark current compensation for the output of said photosensitive device. The applied compensation uses temperature information and temperature dependent calibration information. | 12-04-2014 |
20140368463 | SYSTEM AND METHOD FOR SENSOR AND IMAGE PROCESSING - A sensor for a touch screen operates to detect a touch and any associated movement thereof on the screen and determine a required control function for a device on which the touch screen is mounted. The sensor includes integrated control logic. The sensor operates to identify the existence of a feature associated with the touch and movement on the screen. The feature is processed by the logic to determine the location of the touch and any associated movement thereof on the touch screen. The feature location and any associated movement are converted by the logic into an output from which the control function can be derived by the device. | 12-18-2014 |