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| Number | Title | Issue Date |
| 7643950 | System and method for minimizing power consumption for an object sensor A system and method is disclosed for minimizing power consumption of a sensor unit that is capable of detecting an object. Main circuitry operates the sensor unit in a high power mode of operation when the sensor unit detects an object. Low power control circuitry o... | 01/05/2010 |
| 7146024 | Swiped aperture capacitive fingerprint sensing systems and methods A fingerprint sensing system includes an image sensor, a rate sensor and a sensor circuit. The image sensor includes a linear array of capacitive sensors for capacitive sensing of ridge peaks and ridge valleys of a fingerprint on a swiped finger. The rate sensor sen... | 12/05/2006 |
| 7099496 | Swiped aperture capacitive fingerprint sensing systems and methods A fingerprint sensing system includes an image sensor, a rate sensor and a sensor circuit. The image sensor includes a linear array of capacitive sensors for capacitive sensing of ridge peaks and ridge valleys of a fingerprint on a swiped finger. The rate sensor sen... | 08/29/2006 |
