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Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 8159240 | Bulk current injection (BCI) probe with multiple, symmetrically spaced feeds A Bulk Current Injection (BCI) transformer is provided herein with a magnetic core and a plurality of windings. The magnetic core is configured for encircling one or more electrical conductors under test. Each of the plurality of windings are wrapped, at least in pa... | 04/17/2012 |
| 8026859 | Horn antenna with integrated impedance matching network for improved operating frequency range A dual- or quad-ridged horn antenna with an embedded impedance matching network is provided herein. According to one embodiment, the horn antenna may include at least one pair of ridges arranged opposite one another for guiding an electromagnetic wave there between.... | 09/27/2011 |
| 7859478 | Dipole antenna with improved performance in the low frequency range A dipole antenna is provided herein with improved performance at a lower end of the antenna's operating frequency range. According to one embodiment, the dipole antenna may include a plurality of antenna elements coupled to impedance transformer via a pair of cones ... | 12/28/2010 |
| 7656167 | Electric field generator incorporating a slow-wave structure An improved E-field generator including a slow-wave transmission line structure is provided herein. In some cases, the improved E-field generator may include an inductively-loaded slow-wave transmission line structure driven by a power source at one end of the struc... | 02/02/2010 |
| 7545338 | Log-periodic dipole array (LPDA) antenna and method of making A log periodic dipole array (LPDA) antenna including a first antenna element, a second antenna element and a pair of transmission line structures is provided herein. The first antenna element is fabricated as a continuous piece of conductive material to include a pl... | 06/09/2009 |
| 7388550 | PxM antenna with improved radiation characteristics over a broad frequency range A low-loss, high-efficiency, broadband antenna including both electric and magnetic dipole radiators is provided herein. The broadband antenna may be referred to as a “P×M antenna” and may generally include a ground plane; a magnetic radiator formed within the ... | 06/17/2008 |
| 7215292 | PxM antenna for high-power, broadband applications A broadband antenna including both electric and magnetic dipole radiators is provided herein. The broadband antenna may be referred to as a “P×M antenna” and may include a pair of magnetic loop elements, each having multiple feed points symmetrically spaced aro... | 05/08/2007 |
