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| Application No. | Application Title | Issue Date |
| 20110285510 | Implementation of On-Off Passive Wireless Surface Acoustic Wave Sensor Using Coding and Switching Techniques Methods and systems for passive wireless surface acoustic wave devices for orthogonal frequency coded devices to implement ON-OFF sensors reusing orthogonal frequency code and distinguishing between ON and OFF states using additional PN sequence and on/off switches prod... | 11/24/2011 |
| 20110135026 | Orthogonal frequency coding for surface acoustic wave devices Methods and systems for coding SAW OFC devices to mitigate code collisions in a wireless multi-tag system. Each device producing plural stepped frequencies as an OFC signal with a chip offset delay to increase code diversity. A method for assigning a different OCF to ea... | 06/09/2011 |
| 20100271209 | Weighted Saw Reflector Gratings for Orthogonal Frequency Coded Saw IdTags and Sensors Weighted surface acoustic wave reflector gratings for coding identification tags and sensors to enable unique sensor operation and identification for a multi-sensor environment. In an embodiment, the weighted reflectors are variable while in another embodiment the refle... | 10/28/2010 |
| 20100117804 | Surface Acoustic Wave Coding for Orthogonal Frequency Coded Devices Methods and systems for coding SAW OFC devices to mitigate code collisions in a wireless multi-tag system. Each device producing plural stepped frequencies as an OFC signal with a chip offset delay to increase code diversity. A method for assigning a different OCF to ea... | 05/13/2010 |
| 20100066495 | Delayed offset multi-track OFC sensors and tags Apparatus, systems, devices and methods for providing an orthogonal frequency coding technique for surface acoustic wave sensors incorporating the use of multiple parallel acoustic tracks to provide increased coding by phase shifting and delaying a code sequence. The su... | 03/18/2010 |
