"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 7482820 | Sensor for measuring moisture and salinity A sensor for measuring the moisture and salinity of a material is disclosed herein. The sensor preferably includes a soil moisture circuit, a soil salinity circuit and a probe structure. The soil moisture circuit includes a high frequency oscillator, a voltage meter... | 01/27/2009 |
| 7450740 | Image classification and information retrieval over wireless digital networks and the internet The invention provides a internet hosted system to find, compare, contrast and identify similar characteristics among two or more individuals or objects using a digital camera, cellular telephone camera, wireless device for the purpose of returning information regar... | 11/11/2008 |
| 7443297 | Wireless tracking system and method with optical tag removal detection A wireless tracking system and method with a tag removal detection feature is disclosed herein. The system and method utilize a tag attached to an asset which includes a processor, a motion sensor (such as an accelerometer), a transceiver, a tag removal sensor and a... | 10/28/2008 |
| 7431696 | Monitoring device, method and system A monitoring device (20) for monitoring the vital signs of a user is disclosed herein. The monitoring device (20) is preferably an article (25) having an optical sensor (30) and a circuitry assembly (35). The optical sensor (30 | 10/07/2008 |
| 7428321 | Image classification and information retrieval over wireless digital networks and the internet The invention provides a internet hosted system to find, compare, contrast and identify similar characteristics among two or more individuals or objects using a digital camera, cellular telephone camera, wireless device for the purpose of returning information regar... | 09/23/2008 |
| 7408364 | Sensor for measuring moisture and salinity A sensor for measuring the moisture and salinity of a material is disclosed herein. The sensor preferably includes a soil moisture circuit, a soil salinity circuit and a probe structure. The soil moisture circuit includes a high frequency oscillator, a voltage meter... | 08/05/2008 |
| 7324824 | Wireless network monitoring system A plug-in network appliance is disclosed. In one aspect, a network appliance performs a bridge between two wireless communication formats. In another aspect, a network appliance is deployed to perform position location services. In another aspect, a mesh network com... | 01/29/2008 |