METHOD AND SYSTEM FOR CALIBRATION OF A FINGERPRINT SENSING DEVICE
First Claim
1. A method of initiating a calibration operation of a fingerprint sensing device comprising an array of sensing elements for sensing a fingerprint pattern, said method comprising:
- acquiring information indicative of a change of an environmental parameter influencing the operation of said fingerprint sensor; and
if said change is larger than a predetermined threshold value, initiating a calibration operation of said fingerprint sensor.
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Accused Products
Abstract
There is provided a method of initiating a calibration operation of a fingerprint sensing device comprising an array of sensing elements for sensing a fingerprint pattern, the method comprising acquiring information indicative of a change of an environmental parameter influencing the operation of the fingerprint sensing device; and if the change is larger than a predetermined threshold value, performing a calibration operation of the fingerprint sensing device. There is also provided a method of initiating a calibration operation of a fingerprint sensing device comprising an array of sensing elements for sensing a fingerprint pattern, the method comprising: receiving information indicative of an event in a device in which the fingerprint sensing device is arranged; if the event is one of a group of predetermined events, performing a calibration operation of the fingerprint sensing device.
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Citations
20 Claims
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1. A method of initiating a calibration operation of a fingerprint sensing device comprising an array of sensing elements for sensing a fingerprint pattern, said method comprising:
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acquiring information indicative of a change of an environmental parameter influencing the operation of said fingerprint sensor; and if said change is larger than a predetermined threshold value, initiating a calibration operation of said fingerprint sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of initiating a calibration operation of a fingerprint sensing device comprising an array of sensing elements for sensing a fingerprint pattern, said method comprising:
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receiving information indicative of an event in a user device in which said fingerprint sensing device is arranged; and if said event is one of a group of predetermined events, initiating a calibration operation of said fingerprint sensing device. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A fingerprint sensing device comprising an array of sensing elements for sensing a fingerprint pattern, said device comprising a calibration control unit configured to:
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acquire information indicative of a change of an environmental parameter influencing the operating of said fingerprint sensing device; if said change is larger than a predetermined threshold value, perform a calibration operation of said fingerprint sensing device; receive information indicative of an event in a device in which said fingerprint sensing device is arranged; and if said event is one of a group of predetermined events, perform a calibration operation of said fingerprint sensing device. - View Dependent Claims (20)
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Specification