Did You Know...
...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 6960961 | EMI reduction of oscillating signals by way of controlled randomized modulation An electrical circuit generates an oscillating signal that produces reduced electromagnetic interference by way of modulation of the frequency of the oscillating signal within a specified frequency range. A randomized signal generator creates a randomized signal, wh... | 11/01/2005 |
| 5805025 | Radial electron-beam-breakup transit-time oscillator A radial electron-beam-breakup transit-time oscillator (RBTO) provides a compact high power microwave generator. The RBTO includes a coaxial vacuum transmission line having an outer conductor and an inner conductor. The inner conductor defines an annular ... | 09/08/1998 |
| 4389593 | Active dielectric waveguide amplifier or oscillator using a high density charged particle beam A circuitless particle beam device for relatively high frequency amplifier r oscillator applications that eliminates the requirement for an internal RF slow wave structure. A circularly polarized RF energy wave propagates on a relatively high density parti... | 06/21/1983 |
| 4150340 | High-power microwaves from a non-isochronous reflecting electron system (NIRES) A reflecting electron tube for producing high-power, high-frequency, monoomatic microwave pulses includes an anode which produces little or no ion flux when struck by electrons emitted from a cathode, and requires no applied, external magnetic field. An ... | 04/17/1979 |
