Apparatus for object information detection and methods of using same
First Claim
Patent Images
1. A system for determining information regarding at least one object comprising:
- a sensor sensitive to capacitive coupling, wherein the sensor includes a first and a second array of electrodes forming a grid;
an object configured to create a capacitive coupling with the sensor when at least one signal is input to the sensor such that output signals are produced on a plurality of electrodes of the sensor, a spatial pattern formed with a distribution of the output signals among the plurality of electrodes is an object information code; and
a detector configured to measure said output signals and to determine from the spatial pattern, the object information code, said code providing information regarding a position of the object and information regarding identification or orientation of the object.
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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.
52 Citations
40 Claims
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1. A system for determining information regarding at least one object comprising:
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a sensor sensitive to capacitive coupling, wherein the sensor includes a first and a second array of electrodes forming a grid; an object configured to create a capacitive coupling with the sensor when at least one signal is input to the sensor such that output signals are produced on a plurality of electrodes of the sensor, a spatial pattern formed with a distribution of the output signals among the plurality of electrodes is an object information code; and a detector configured to measure said output signals and to determine from the spatial pattern, the object information code, said code providing information regarding a position of the object and information regarding identification or orientation of the object. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A system for determining information regarding at least one object, comprising:
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a sensor sensitive to capacitive coupling; an object including a plurality of conductive areas spaced apart configured to create a capacitive coupling with the sensor when at least one signal is input to the sensor, such that a plurality of output signals are produced in response to the capacitive coupling to different parts of the sensor, a spatial pattern formed from a distribution of the plurality of output signals on the sensor is an object information code; and a detector configured to measure the plurality of output signals on the sensor, and to determine from the spatial pattern, the object information code, and wherein the object information code provides information for determining a position of the at least one object. - View Dependent Claims (25, 26, 27, 28, 29, 30)
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31. A method for determining information regarding at least one object, the method comprising:
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providing a sensor sensitive to capacitive coupling; providing an object including a plurality of conductive areas spaced apart configured to create capacitive coupling with the sensor when at least one signal is input to the sensor, such that a plurality of output signals are produced from different portions of the sensor in response to the capacitive coupling; measuring the plurality of output signals of the sensor associated with the plurality of conductive areas; and determining from a spatial pattern formed from a distribution of the plurality of output signals from the different portions of the sensor an object information code and information for determining the position of the at least one object. - View Dependent Claims (32, 33, 34, 35, 36)
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37. A system for determining information regarding a plurality of objects, comprising:
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a sensor sensitive to capacitive coupling, said sensor including a plurality of electrodes; a plurality of objects, wherein at least one object of the plurality includes a pattern of conductive areas that is other than a pattern included on at least one other object of the plurality, the pattern configured to create a capacitive coupling with more than one electrode of the plurality of electrodes when at least one signal is input to the sensor; and a detector configured to measure output signals from the more than one electrode associated with the pattern and to determine an object information code from a spatial pattern formed from a distribution of the output signals among the more than one electrode, and wherein the object information code provides the information regarding the object. - View Dependent Claims (38, 39, 40)
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Specification