Abstract: A method for dynamically updating at least one pre-defined value of a parameter used to identify at least one operational mode of an object for user interaction with a digitizer sensor during interaction with the digitizer sensor comprises detecting signal outputs from a plurality of sensing elements of a digitizer sensor during user interaction with the digitizer sensor; characterizing a pattern formed by the signal outputs from the plurality of sensing elements; identifying a pre-defined event associated with an operational mode of the object based on the pattern; determining a value of the parameter from the signal outputs in response to identification of the pre-defined event; and updating the pre-defined value used to identify the operational mode based on the value of the parameter determined from the identified event.

Abstract: An apparatus for detecting a plurality of user interactions, comprising: at least one detector for sensing the user interactions, a respective controller, associated with each of the detectors, for finding positions of the user interactions, and a switcher, associated with the controllers, for handling the user interactions, according to a defined policy.

Abstract: A method for testing a digitizer to determine an operative property of the digitizer, wherein the digitizer includes a sensor grid, comprises providing an input signal on a first portion of the sensor grid, detecting at least one output signal in a second portion of the sensor grid responsive to the input signal in the first portion, and determining at least one operative property of the sensor based on the at least one output signal, wherein at least the transmitting, detecting and determining is performed autonomously by the digitizer.

Abstract: A digitizer system comprises at least one object incorporating an electronic tag configured for radiating at least one modulated signal and at least one second signal; a digitizer sensor configured for detecting the at least one second signal while the object is positioned on or over the digitizer sensor; and circuitry configured for identifying the object based on modulation of the at least one modulated signal and for determining a position of the object on or over the digitizer based on the detected second signal on a portion of the digitizer sensor.

Abstract: A digitizer comprises a sensor configured for detecting an object implemented for user input, the sensor including at least one transparent layer, circuitry connected to the sensor configured for processing signals detected on at least a portion of the sensor and a conductive shield configured for providing shielding over an area of the sensor that is not intended for user input.

Abstract: A detector for detecting touches of at least one object on a transparent sensor located over a display screen, the detector comprising. a display screen; a patterned arrangement of conductors extending into said sensor situated over said display screen; and detection circuitry adapted to detect capacitive coupling of said at least one object with said at least one conductor.

Abstract: A method for calibration of a capacitive touch digitizer system comprises detecting patterns of signals from a plurality of different events over a course of user interaction with the digitizer system, wherein the patterns of signals are outputs from a digitizer sensor of the system, determining a number of times that a pattern of signals is repeated over the different events, and defining a map of offset values as a pattern of signals that is repeated above a pre-defined repetition threshold.

Abstract: A detector for detecting touches by fingers or like body parts on a sensor comprises at least one sensing conductor, typically a grid of such conductors, extending into the sensor, a source of oscillating electrical energy at a predetermined frequency, and detection circuitry for detecting a capacitive influence on the sensing conductor when said oscillating electrical energy is applied, the capacitive influence being interpreted as a touch. The detector is advantageous in that the same sensing conductors can be used both for touch sensing and for detection of an electromagnetic stylus.

Abstract: A method for implementing combination gestures with a digitizer comprises storing a database of pre-defined combination gestures, wherein the combination gestures includes input from two different types of user interactions, detecting a combination event, wherein the combination event includes input from the two different types of user interactions, and matching input from the combination event to a pre-defined gesture from the database of pre-defined combination gestures.

Abstract: A digitizer for user interaction via an object with an electronically refreshable display screen, the digitizer comprising: a transparent sensing arrangement of detectors located at said electronically refreshable display screen for detecting an electric field of said object, said detectors having outputs, and an arrangement of differential amplifiers associated with said outputs, thereby to apply differential detection between said outputs.

Abstract: A method and system for recognition of an intended user interaction with a digitizer is provided, the method comprising characterizing an intended user interaction input signals of a specific user, storing at least one characterization criterion from the characterization, and determining if a subsequently detected input signals meets the at least one characterization criterion.

Abstract: A method and system for tracking a hover event on a digitizer sensor that treats hover and touch events differently comprises configuring at least one parameter of the digitizer sensor for hover tracking; wherein the at least one parameter is configured differently than for touch tracking, and detecting a pattern of input signals from a plurality of conductive lines on the digitizer sensor defining a tracking point responsive to the pattern of hover input signals detected.

Abstract: A method for connecting substrates having electrical conductive elements thereon, comprising: providing at least one spacer between the substrates; applying a conductive material to at least one of the electrical conductive elements; aligning the electrical conductive elements; and, connecting the substrates by urging them together, wherein the at least one spacer prevents lateral spreading of the conductive material on the substrates from bridging a distance between adjacent conductive elements during the connecting.

Abstract: A method for verifying a fingertip touch input to a digitizer, the method comprises detecting a pattern of signals obtained from conductive lines of a digitizer sensor, comparing the pattern to a pre-determined fingertip characteristic, and recognizing a fingertip touch input based on the comparison.

Abstract: A digitizer includes a digitizer sensor comprising at least one pair of conductive lines coupled to at least one differential amplifier through which a difference signal is detected, and at least one capacitor operative to balance differences in parasitic capacitance between the conductive lines of the at least one pair of conductive lines.

Abstract: A digitizer for user interaction via an object with an electronically refreshable display screen, the digitizer comprising: a transparent sensing arrangement of detectors located at said electronically refreshable display screen for detecting an electric field of said object, said detectors having outputs, and an arrangement of differential amplifiers associated with said outputs, thereby to apply differential detection between said outputs.

Abstract: A system and method for providing feedback to a user making a gesture for switching between at least two types of user interactions used to operate a digitizer system, the method comprising recognizing the gesture to switch between the types of user interactions, switching the type of user interaction used to operate the digitizer system, and providing feedback to the user indicating recognition of the gesture.

Abstract: A detector for detecting touches of at least one object on a transparent sensor located over a display screen, the detector comprising. a display screen; a patterned arrangement of conductors extending into said sensor situated over said display screen; and detection circuitry adapted to detect capacitive coupling of said at least one object with said at least one conductor.

Abstract: A system for determining information regarding at least one object, comprising: a sensor sensitive to capacitive coupling; at least one object adapted to create a capacitive coupling with the sensor when at least one signal is input to the sensor; a detector adapted to measure at least one output signal of said sensor associated with the at least one object, wherein the output signal associated with the at least one object is an object information code.

Abstract: A detector for detecting touches by fingers or like body parts on a sensor comprises at least one sensing conductor, typically a grid of such conductors, extending into the sensor, a source of oscillating electrical energy at a predetermined frequency, and detection circuitry for detecting a capacitive influence on the sensing conductor when said oscillating electrical energy is applied, the capacitive influence being interpreted as a touch. The detector is advantageous in that the same sensing conductors can be used both for touch sensing and for detection of an electromagnetic stylus.