"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 7764240 | Antenna configuration for RFID tags In an antenna configuration (3) having a first antenna arm (4) and having a second antenna arm (5), the two longitudinal directions (10, 11) of the two antenna arms (4, 5) enclose an acute opening angle (α) with one another, where... | 07/27/2010 |
| 6768466 | Broad-band scissor-type antenna A broad-band antenna includes in a common plane tow symmetrical parts (2,3) each including at least two interconnected conductor strands (4,5,7,8;19,20,21) powered by a double-wire line (10;22), each strand including in its portion opposite the ... | 07/27/2004 |
| 6046594 | Method and apparatus for monitoring parameters of an RF powered load in the presence of harmonics A method and apparatus for measuring electrical characteristics (e.g. current, voltage, phase, etc.) between a power source and a load at a set of harmonic frequencies to determine information about the load (e.g., load impedance, power dissipation, etc).... | 04/04/2000 |