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Cranfill, IL
David Cranfill, Antioch, IL US
| Patent application number | Description | Published |
|---|---|---|
| 20090147973 | APPARATUS INCLUDING TWO HOUSINGS AND A PIEZOELECTRIC TRANSDUCER - An apparatus ( | 06-11-2009 |
| 20100024573 | Single Sided Capacitive Force Sensor for Electronic Devices - A capacitive force sensor ( | 02-04-2010 |
| 20110037721 | Printed Force Sensor Within A Touch Screen - A quantum tunneling composite, or other material exhibiting changing electrical or magnetic properties as force on the material is increased, can be located within a force concentrator integrated into traditional touch screen layers to sense force applied on the touch screen. The force concentrator can be a protrusion from the layer planes of the layers in a traditional touch screen and can be formed, at least in part, from printed elements. The amount of protrusion of the force concentrator can be adjusted through multi-pass printing and thicker deposit printing. The force concentrator can also have optically clear adhesive layered over it. The force-sensitive material can be optionally pre-loaded so as to operate within a substantially linear feedback range. A sensing mechanism can be configured to detect changes in force at multiple locations or to detect the application of force irrespective of location. | 02-17-2011 |
David B. Cranfill, Antioch, IL US
| Patent application number | Description | Published |
|---|---|---|
| 20080204418 | Adaptable User Interface and Mechanism for a Portable Electronic Device - A multimodal electronic device ( | 08-28-2008 |
| 20080204463 | Adaptable User Interface and Mechanism for a Title Portable Electronic Device - A multimodal electronic device ( | 08-28-2008 |
| 20080291169 | Multimodal Adaptive User Interface for a Portable Electronic Device - A multimodal electronic device ( | 11-27-2008 |
| 20090054112 | DISPLAY FOR PORTABLE ELECTRONIC DEVICE - A portable electronic device ( | 02-26-2009 |
| 20090072662 | ELECTRONIC DEVICE AND CIRCUIT FOR PROVIDING TACTILE FEEDBACK - A circuit ( | 03-19-2009 |
| 20110096020 | METHOD AND DEVICE FOR PROVIDING AN EQUI-POTENTIAL TOUCH SCREEN - Disclosed is a method ( | 04-28-2011 |