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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7315141 | Method for the production of wideband THz radiation A method for the production of extremely wide bandwidth THz radiation comprising: delivering an electron beam from a source to an undulator that does not deflect the angle or transversely move the electron beam; and optimizing the undulator to yield peak emission in... | 01/01/2008 |
| 6803725 | On-chip vacuum microtube device and method for making such device In accordance with the invention, improved vacuum microtube devices are provided with arrangements for tunably spacing the gate and the cathode. Tuning can be effected by using an electrostaic or magnetic actuator to move the gate on a spring or a rail. Advantageous... | 10/12/2004 |
| 6753662 | Intense and compact THz radiation source According to the present invention, there is provided a compact source of intense THz radiation comprising a short bunch, low energy particle beam source, an accelerator cavity and an electromagnetic wiggler. Application of state-of-the-art superconducting accelerat... | 06/22/2004 |
| 6297592 | Microwave vacuum tube device employing grid-modulated cold cathode source having nanotube emitters An improved gridded microwave tube is provided, the tube containing a cold cathode, an anode, and a grid located between the anode and cathode. In one embodiment, the cold cathode has a refractory metal substrate and carbon nanotube emitters, the emitters... | 10/02/2001 |
| 4453108 | Device for generating RF energy from electromagnetic radiation of another form such as light A device for generating RF energy from electromagnetic radiation of another form, such as light, includes an emitter responsive to the electromagnetic radiation for producing a beam of charged particles, an electrode spaced from the emitter to define a pa... | 06/05/1984 |
| 3940656 | High frequency tube apparatus 2. In a reflex klystron tube apparatus, means for forming a beam of electrons, a resonator means positioned along the beam path, said resonator means being apertured for the passage of the beam of electrons therethrough for electromagnetic coupling to the... | 02/24/1976 |
