"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 7859411 | RFID tagged item trajectory and location estimation system and method A system for predicting a trajectory of an item tagged with an RFID tag. The system includes a network of communicatively coupled RFID readers, each having tag cache memory, and a search engine communicatively coupled with the tag caches in each of the readers. When... | 12/28/2010 |
| 7659819 | RFID reader operating system and associated architecture A framework structure for controlling an RFID device including a platform comprising an RFID radio. The structure comprises a layered framework including a first layer, with at least one functional module comprising a device driver, communicatively coupled with the ... | 02/09/2010 |
| 7570164 | System and method for implementing virtual RFID tags A method for implementing a virtual tag in an RFID tag reading system. In one embodiment, data is read from the memory of an RFID tag and stored in tag cache memory. Commands intended for the tag are queued in the tag cache, and the commands queued in the tag cache ... | 08/04/2009 |
| 7456746 | Quarter wave phase shifted diode detector circuit A phase shifting diode detector system for an RFID reader. Quarter-wave delay circuitry is coupled between a forward transmitted signal of the RFID reader applied at a first end of the delay circuitry, and a reflected signal returning from an RFID tag applied at a s... | 11/25/2008 |