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| Number | Title | Issue Date |
| 7669466 | Monitoring device attachment to rubber valve stems Tire sensor packaging capable of being installed on a standard snap-in tire valve stem is provided. The sensor package includes an attachment member capable of being disposed in the flexible bore of a snap-in tire valve stem, and of securely engaging with the inner ... | 03/02/2010 |
| 7539003 | Capacitive micro-electro-mechanical sensors with single crystal silicon electrodes The devices presented herein are capacitive sensors with single crystal silicon on all key stress points. Isolating trenches are formed by trench and refill forming dielectrically isolated conductive silicon electrodes for drive, sense and guards. For pressure sensi... | 05/26/2009 |
| 7518493 | Integrated tire pressure sensor system The present invention provides a tire pressure sensor system that has multiple functions and is integrated into a small package. The system includes one or more Micro Electro Mechanical System (MEMS)-based sensors, including a MEMS-based pressure sensor; a MEMS-osci... | 04/14/2009 |
| 7468556 | Packaging of hybrid integrated circuits Improved sensor packaging is provided with a hybrid integration approach. In one example, an application specific integrated circuit (ASIC) for sensor signal conditioning is packaged. The ASIC package has an aperture in it that exposes a chip to chip bonding interfa... | 12/23/2008 |
| 7454967 | Signal conditioning methods and circuits for a capacitive sensing integrated tire pressure sensor A tire pressure monitoring system is provided that includes a switched capacitor circuit having a clock with two non-overlapping clock phases that control a state of analog switches of the switched capacitor circuit. The system uses tire pressure sensor MEMS capacit... | 11/25/2008 |
| 7260984 | Power generation utilizing tire pressure changes A method of powering one or more electronic devices in a tire monitoring system using a tire pressure based energy scavenger is provided. With this method, a tire is rotated on a surface to generate pressure changes within the tire. These pressure changes are then c... | 08/28/2007 |
