Abstract: A design system is provided. In one embodiment the design system includes an input module to receive specification data for a designed circuit including a configurable integrated circuit (IC). The configurable IC includes a number of analog elements for which parameters can be set by the design system, and a plurality of configurable signal path elements including an analog-to-digital converter (ADC) that is utilized in a plurality of different signal paths. The design system further includes a design module to generate a design for the designed circuit based on the specification data, and an output module to set parameters of at least one of the analog elements based on the design. Other embodiments are also provided.

Abstract: A parameterizable integrated circuit (IC) and method for designing, refining and implementing a circuit including the parameterizable IC are described. The method begins with receiving information on candidate sensing sub-circuits, parameterizable ICs and user specified requirements for the circuit including physical properties to be sensed and target values for the circuit. Each of the parameterizable ICs include a number of parametric analog and digital circuit elements, and a scheduler to schedule resources of the IC according to measurement priorities, measurement rates and the available circuit elements. Next, each of the candidate sensor-sub-circuits is evaluated with reference to the specified requirements, and each of the candidate ICs evaluated with reference to the requirements and the sensor-sub-circuits. Generally, the method further includes communicating to a user a number of candidate circuit-designs within a predetermined percentage of the one or more target values for the circuit.

Abstract: A method is provided for designing and implementing a circuit comprising an integrated circuit (IC) including a number of analog and digital circuit elements for which operating parameters can be set. In one embodiment the method includes entering in a circuit design tool embodied in a computer readable medium on a server specified requirements for a circuit, the specified requirements including physical properties to be sensed by the circuit. The circuit is automatically modeled by the circuit design tool based on the specified requirements and resources available on the IC, the modeling including translating the specified requirements into parameter settings of the number of the analog and digital circuit elements. The circuit is then built, the building including setting parameters of at least one of the analog and digital circuit elements of the IC using the circuit design tool based on the modeling of the circuit.

Abstract: A design system is provided. In one embodiment the design system includes an input module to receive specification data for a designed circuit including a configurable integrated circuit (IC). The configurable IC includes a number of analog elements for which parameters can be set by the design system, and a plurality of configurable signal path elements including an analog-to-digital converter (ADC) that is utilized in a plurality of different signal paths. The design system further includes a design module to generate a design for the designed circuit based on the specification data, and an output module to set parameters of at least one of the analog elements based on the design. Other embodiments are also provided.

Abstract: A design system is provided. In one embodiment the design system includes an input module to receive specification data for a designed circuit including a configurable integrated circuit (IC). The configurable IC includes a number of analog elements for which parameters can be set by the design system, and a plurality of configurable signal path elements including an analog-to-digital converter (ADC) that is utilized in a plurality of different signal paths. The design system further includes a design module to generate a design for the designed circuit based on the specification data, and an output module to set parameters of at least one of the analog elements based on the design. Other embodiments are also provided.

Abstract: A method is provided for designing and implementing a circuit comprising an integrated circuit (IC) including a number of analog and digital circuit elements for which operating parameters can be set. In one embodiment the method includes entering in a circuit design tool embodied in a computer readable medium on a server specified requirements for a circuit, the specified requirements including physical properties to be sensed by the circuit. The circuit is automatically modeled by the circuit design tool based on the specified requirements and resources available on the IC, the modeling including translating the specified requirements into parameter settings of the number of the analog and digital circuit elements. The circuit is then built, the building including setting parameters of at least one of the analog and digital circuit elements of the IC using the circuit design tool based on the modeling of the circuit.

Abstract: A design system is provided. In one embodiment the design system includes an input module to receive specification data for a designed circuit including a configurable integrated circuit (IC). The configurable IC includes a number of analog elements for which parameters can be set by the design system, and a plurality of configurable signal path elements including an analog-to-digital converter (ADC) that is utilized in a plurality of different signal paths. The design system further includes a design module to generate a design for the designed circuit based on the specification data, and an output module to set parameters of at least one of the analog elements based on the design. Other embodiments are also provided.

Abstract: An environment and method are provided for designing and implementing a circuit comprising an integrated circuit (IC) including a number of parametric analog elements for which operating parameters can be set. Generally, the method comprises: specifying requirements for the circuit including physical properties to be sensed by the circuit and actions to be taken by the circuit; designing the circuit based on the specified requirements and resources available on the IC; and setting parameters of at least one of the parametric analog circuit elements of the IC based on the circuit design. In one embodiment, the specifying, designing, and setting parameters steps are performed using a computer executable code embodied in a computer readable medium on a server coupled to a client computer through an internet protocol network. Other embodiments are also provided.

Abstract: One embodiment relates to an optical displacement sensor for sensing movement of a data input device across a surface by determining displacement of optical features in a succession of frames. The sensor includes at least an illuminator, telecentric imaging optics on the object (scattering surface) side, and an array of photosensitive elements. The illuminator is configured to illuminate a portion of the surface. The telecentric imaging optics is configured to image the optical features emanating from the illuminated portion of the surface, and the array of photosensitive elements is configured to detect intensity data relating to the optical features imaged by the telecentric imaging optics. Other embodiments are also disclosed.

Abstract: An environment and method are provided for designing and implementing a circuit comprising an integrated circuit (IC) including a number of parametric analog elements for which operating parameters can be set. Generally, the method comprises: specifying requirements for the circuit including physical properties to be sensed by the circuit and actions to be taken by the circuit; designing the circuit based on the specified requirements and resources available on the IC; and setting parameters of at least one of the parametric analog circuit elements of the IC based on the circuit design. In one embodiment, the specifying, designing, and setting parameters steps are performed using a computer executable code embodied in a computer readable medium on a server coupled to a client computer through an internet protocol network. Other embodiments are also provided.

Abstract: One embodiment relates to an optical displacement sensor for sensing movement of a data input device across a surface by determining displacement of optical features in a succession of frames. The sensor includes at least an illuminator, telecentric imaging optics on the object (scattering surface) side, and an array of photosensitive elements. The illuminator is configured to illuminate a portion of the surface. The telecentric imaging optics is configured to image the optical features emanating from the illuminated portion of the surface, and the array of photosensitive elements is configured to detect intensity data relating to the optical features imaged by the telecentric imaging optics. Other embodiments are also disclosed.

Abstract: One embodiment relates to an optical displacement sensor for sensing relative movement between a data input device and a surface by determining displacement of optical features in a succession of frames. The sensor includes an illuminator and a detector. The illuminator has a light source and illumination optics to illuminate a portion of the surface with a planar phase-front. The detector has a plurality of photosensitive elements and imaging optics. The illuminator and the detector are configured such that the illuminated portion of the surface is less than fifty percent larger than a field of view of the photosensitive elements of the detector. Other embodiments are also described.

Abstract: One embodiment described relates to an optical displacement sensor for sensing movement of a data input device across a surface by detecting displacement of optical features in a succession of images of the surface. The sensor includes a detector having an array including a number (N) of sets of photosensitive elements, each set having a number (M) of photosensitive elements, where M is greater than two and not equal to four. Signals from each of the photosensitive elements in a set are electrically coupled or combined with corresponding photosensitive elements in other sets to produce a total of M independent group signals from M interlaced groups of photosensitive elements. Other embodiments are also described.

Abstract: One embodiment disclosed relates to a method for bi-directional progressive scanning in a display system. The method includes receiving image data for an image to be displayed, forward scanning the image data in a first direction using a linear array of controllable light elements, and reverse scanning the image data in a second direction opposite to the first direction using the linear array. Another embodiment disclosed relates to an apparatus for bi-directional progressive scanning. The apparatus includes a linear array of controllable light elements, and a scanner driver that drives a scanner apparatus using a drive signal that is applied to drive both forward and reverse optical scanning of an image by the linear array.

Abstract: One embodiment relates to an optical displacement sensor for sensing transverse displacement of a data input device relative to a surface by determining displacement of optical features in a succession of frames. The sensor includes at least a coherent light source, illumination optics to illuminate a portion of the surface, imaging optics, and a first array of photosensitive elements having a periodic distance. The illuminator and the detector are configured to produce on the first array of photosensitive elements an intensity pattern of light reflected from the illuminated portion of the surface. The intensity pattern comprises a plurality of speckles having an average speckle diameter which is between one half and two times the periodic distance of the array.

Abstract: One embodiment relates to an optical displacement sensor for sensing relative movement between a data input device and a surface by determining displacement of optical features in a succession of images of the surface. The sensor includes a plurality of linear comb arrays (LCAs) arranged along an associated axis. Each LCA comprises a row of photosensistive elements parallel to the associated axis. Another embodiment relates to a method of sensing movement of a data input device across a surface. An intensity pattern of light reflected from an illuminated portion of the surface is detected using a first plurality of linear comb arrays (LCAs) arranged along a first axis and a second plurality of LCAs arranged along a second axis not parallel to the first axis. Other embodiments are also described.

Abstract: One embodiment relates to an optical displacement sensor for sensing relative movement between a data input device and a surface by determining displacement of optical features in a succession of frames of the surface. The sensor includes at least a detector, first circuitry, and second circuitry. The detector includes a plurality of photosensitive elements organized in first and second arrays. The first circuitry is configured to combine signals from every Mth element of the first array to generate M group signals, and the second circuitry is configured to combine signals from every M?th element of the second array to generate M? group signals. M and M? are numbers which are different from each other. Other embodiments are also disclosed.

Abstract: One embodiment relates to an optical displacement sensor for sensing relative movement between a data input device and a surface by determining displacement of optical features in a succession of frames. The sensor includes an illuminator and a detector. The illuminator has a light source and illumination optics to illuminate a portion of the surface with a planar phase-front. The detector has a plurality of photosensitive elements and imaging optics. The illuminator and the detector are configured such that the illuminated portion of the surface is less than fifty percent larger than a field of view of the photosensitive elements of the detector. Other embodiments are also described.

Abstract: One embodiment relates to an optical displacement sensor for sensing transverse displacement of a data input device relative to a surface by determining displacement of optical features in a succession of frames. The sensor includes at least a coherent light source, illumination optics to illuminate a portion of the surface, imaging optics, and a first array of photosensitive elements having a periodic distance. The illuminator and the detector are configured to produce on the first array of photosensitive elements an intensity pattern of light reflected from the illuminated portion of the surface. The intensity pattern comprises a plurality of speckles having an average speckle diameter which is between one half and two times the periodic distance of the array.

Abstract: One embodiment described relates to an optical displacement sensor for sensing movement of a data input device across a surface by detecting displacement of optical features in a succession of images of the surface. The sensor includes a detector having an array including a number (N) of sets of photosensitive elements, each set having a number (M) of photosensitive elements, where M is greater than two and not equal to four. Signals from each of the photosensitive elements in a set are electrically coupled or combined with corresponding photosensitive elements in other sets to produce a total of M independent group signals from M interlaced groups of photosensitive elements. Other embodiments are also described.