Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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| Number | Title | Issue Date |
| 7312673 | Radial power divider/combiner A radial power divider-combiner is disclosed. The divider-combiner includes a divider and a combiner. An input signal is provided to a transmission antenna that radiates the input signal inside the divider. Within the divider, the input signal is divided into a plur... | 12/25/2007 |
| 7215686 | Waveguide structure having improved reflective mirror features Integration of laser sources into optoelectronic integrated circuits requires that the laser do not operate using two cleaved end facets. Unfortunately, replacing of one of the end facets results by either a dry etched mirror or by a corner reflectors results in und... | 05/08/2007 |
| 7202605 | Electron beam tube apparatus having a common output combining cavity An electron beam tube apparatus comprises a plurality of electron beam tubes having a common output cavity. Power is coupled to the common cavity from the resonant cavities of the beam tubes, and is then fed to an output line. This arrangement permits the outputs of... | 04/10/2007 |
| 7145297 | L-band inductive output tube An inductive output tube (IOT) operates in a frequency range above 1000 MHz. An output window may be provided to separate a vacuum portion of the IOT from an atmospheric pressure portion of the IOT, the output window being surrounded by a cooling air manifold, the m... | 12/05/2006 |
| 7113056 | Radial power divider/combiner A radial power divider-combiner is disclosed. The divider-combiner includes a divider and a combiner. An input signal is provided to a transmission antenna that radiates the input signal inside the divider. Within the divider, the input signal is divided into a plur... | 09/26/2006 |
| 7019601 | Device for amplifying a high frequency signal The present invention pertains to an amplification device for a high-frequency signal. The invention is particularly adapted for the transmission of radiofrequency signals used for television of radio under frequency modulation. The amplification device for a high-f... | 03/28/2006 |
| 6982613 | Radial power divider/combiner A radial power divider-combiner is disclosed. The divider-combiner includes a divider and a combiner. An input signal is provided to a transmission antenna that radiates the input signal inside the divider. Within the divider, the input signal is divided into a plur... | 01/03/2006 |
| 6965279 | Double-sided, edge-mounted stripline signal processing modules and modular network A class of modular, double-sided, edge-mounted printed circuit (PC) board modules and an associated modular network architecture for constructing stripline signal processing networks including high-power analog amplifiers and beam forming networks for driving multi-... | 11/15/2005 |
| 6611719 | Cancer thermotherapy A given high frequency electric power introduced into a cavity resonator is resonated in the long direction of the cavity resonator on an excited mode with a constant electric field intensity along the long direction of the cavity resonator. Then, a human... | 08/26/2003 |
| 6414551 | Multi-space structure amplifier A high frequency amplifier with the multi-space structure, amplifying various frequencies by a Gunn diode in the multi-space structure, composed of non-radiative dielectric waveguides of various different sizes. An amplifier circuit includes a Gunn diode ... | 07/02/2002 |
| 5698986 | Cigarette density monitor A cylindrical microwave cavity 12 has a pinched center 28, 30. Two apertures 28, 30, one in the center. of each face of the cylinder 10, provide access for a gas/powder mixture 124 having a dielectric coefficient depending on its density or some other mea... | 12/16/1997 |
| 5497050 | Active RF cavity including a plurality of solid state transistors An active RF cavity is defined by a conductive wall in which a plurality of solid state power amplifiers are mounted. The solid state power amplifiers induce an RF current at an inner surface of the wall to form an oscillating electromagnetic (EM) field w... | 03/05/1996 |
| 5471164 | Microwave amplifier linearizer There is disclosed a system for linearizing an RF amplifier by the application of suitable load impedances to its 2nd, 3rd, and higher order output signals, thereby reducing output distortion products and improving performance. Intermodulation Distortion ... | 11/28/1995 |
| 5389890 | Combiners for R.F. power amplifiers Directional couplers 71 -720 are used to couple power from r.f. power amplifier modules 51 -520 to a transmission line 6 or other type of resonator, from which it is withdrawn by directional coupler 8. The power... | 02/14/1995 |
| 5339043 | Wave propagation signal transmission device and applications of the device to the amplification of such signals The wave propagation signal transmission device according to the invention comprises two coupled distributed-constant wave propagation lines. The lines include active members of amplifying signals in transit in the form of linear and continuous components... | 08/16/1994 |
| 5159290 | Composite wave closure means for microwave containing regions Apparatus is disclosed in which a ring of microwave amplifiers are spaced around the top of a cavity closure structure containing upper and lower splitter and combiner cavities. The inputs and outputs of the amplifiers are connected by, respectively, inpu... | 10/27/1992 |
| 4918031 | Processes depending on plasma generation using a helical resonator Anisotropic plasma etching is accomplished utilizing a helical resonator operated at relatively low gas pressure. The use of this combination yields an extremely high flux of ionic species with resulting rapid anisotropic etching. A helical resonator in c... | 04/17/1990 |
| 4868889 | Microwave absorber attenuator for linear SSPA power control The nonlinearity of the frequency response of a solid state power amplifier (SSPA) is obviated by effectively operating the SSPA at the 1 dB compression point, where the nonlinearity does not exist, and controllably reducing, downstream of the SSPA, the p... | 09/19/1989 |
| 4853650 | Symmetric waveguide junction combiner A microwave power combiner having a spherical region from which six rectangular waveguides extend oppositely along mutually orthogonal diameters. The long dimension of each waveguide cross section extends along a diagonal of a cube circumscribing the regi... | 08/01/1989 |
| 4780685 | Composite power amplifier with redundancy A power combiner includes an input power splitter driving a plurality (N) of amplifiers. The amplifier outputs have Z0 output impedance and are coupled by transmission (TX) lines of Z0 characteristic impedance to the junction point o... | 10/25/1988 |
| 4737738 | Extended interaction device tuned by movable delay line structure A resonant cavity arranged for an electron beam to pass therethrough, is made of two spaced apart parallel substantially planar members movable with respect to each other in a direction perpendicular to their major surfaces, at least one of said members h... | 04/12/1988 |
| 4716382 | Microwave amplifying apparatus A microwave amplifying apparatus includes a waveguide which is shorted at one end and supplied with a TM mode or a TE mode signal, a pickup probe mounted on the waveguide for converting the signal into a TEM mode signal, and microstrip lines and field eff... | 12/29/1987 |
| 4707668 | Method and apparatus for transferring and injecting rf energy from a generator to a resonant load Improved apparatus and method are provided for the coherent amplification and injection of radio-frequency (rf) energy into a load cavity using a plurality of amplifier tubes. A plurality of strip line cavities (30, 32, 34, 36, 40, 42, 44) are laterally j... | 11/17/1987 |
| 4700145 | Radially fed microwave signal combiner/distributor apparatus Radially fed microwave signal combiner/distributor apparatus comprising a central coaxial connector which is coupled via radially extending paths to several circumferential coaxial connectors which are equiangularly disposed on the circumference of a circ... | 10/13/1987 |
| 4700108 | Cavity system for a particle beam accelerator Apparatus and method for generating and controlling the electric field within the cavity of a particle beam accelerator. A power splitter divides a common drive signal into separate branches each driving separate RF amplifiers. The output of each amplifie... | 10/13/1987 |
| 4683440 | High-frequency amplifier device A high-frequency amplifier device according to this invention comprises a high-frequency amplifier portion, a high-frequency input portion which is formed of a waveguide and which can transmit polarized signals orthogonal to each other, two detector porti... | 07/28/1987 |
| 4656438 | Power combining cavity A method and arrangement for enhancing the level of supplied microwave energy including a resonant ring capacitively coupled to a microwave coupling device effective for connecting to a microwave transmission line, the arrangement being mounted in a shiel... | 04/07/1987 |
| 4623849 | Broadband high power IMPATT amplifier circuit An IMPATT diode mounted in a double-tuned resonant cavity to exhibit stability by suppressing subharmonic frequencies is disclosed. A foreshortened quarter wavelength section is connected to the diode to form an equivalent parallel resonant circuit at one... | 11/18/1986 |
| 4619001 | Tuning systems on dielectric substrates A tuning system employs a specific resonant circuit which includes two electrodes confronting each other through a dielectric interposed therebetween. Each of the two electrodes has at least one bent portion to present a lumped-constant inductance and has... | 10/21/1986 |
| 4571555 | Re-entrant coaxial cavity power combiner A plurality of negative resistance devices is spaced below a cylindrical center conductor of a single coaxial cavity. Each negative resistance device has a bias device connected to it by a bias wire. Extending radially through the outer wall of the coaxia... | 02/18/1986 |
| 4517527 | Waveguide amplifier circuit A waveguide amplifier circuit has two semiconductor amplifier elements in a first waveguide circuit, a second waveguide circuit which is perpendicular to the first waveguide circuit and a termination circuit arranged at an end, remote from the semiconduct... | 05/14/1985 |
| 4514700 | Output amplifier for a transmitting tube The invention relates to an output amplifier for a transmitting tube, having an operating frequency located in the FM- and the VHF- frequency bands. In order to match the output impedance of the preamplifier to the input impedance of the output amplifier ... | 04/30/1985 |
| 4494087 | Combiner probe providing power flatness and wide locking bandwidth A distributed inductive reactance is coupled to a terminating impedance at the interface of a combiner probe with a resonant cavity. The distributed reactance is implemented by a metal insert having a cavity interface and having a coupling portion, which ... | 01/15/1985 |
| 4471316 | Electric oscillation generator Disclosed is an electric oscillation generator comprising an exciter and an output amplifier stage utilizing a vacuum tube connected in a common-grid circuit. A section of the input circuit of the vacuum tube is connected to the output of the exciter. The... | 09/11/1984 |
| 4467472 | Diplexer for the separation of a signal and of a supply current A diplexer is disclosed for use in remotely fed intermediate regenerators or repeaters of broad-band transmission systems with coaxial cable sections. The diplexer has a high circulating attenuation at high frequencies. Since sections of the regenerator a... | 08/21/1984 |
| 4453139 | Frequency offset multiple cavity power combiner A combiner for power combining electromagnetic energy is disclosed. At least two electromagnetic cavities are positioned having intercavity coupling among all cavities: each cavity is tangent to all other cavities and/or external transmission line connect... | 06/05/1984 |
| 4429286 | Divider/combiner amplifier A divider/combiner amplifier circuit divides input power through a sectored coaxial line to a plurality of longitudinal parallel channels spaced around the circumference of a cylinder; the power in each channel is amplified by a semiconductor device; and ... | 01/31/1984 |
| 4424496 | Divider/combiner amplifier A divider/combiner amplifier circuit divides input power through a sectored coaxial line to a plurality of longitudinal parallel channels spaced around the circumference of a cylinder; the power in each channel is amplified by a semiconductor device; and ... | 01/03/1984 |
| 4415867 | Hybrid coupled microstrip amplifier A microstrip integrated circuit reflection amplifier utilizing packaged diodes and permitting some gain and bandwidth adjustment. A 3 db quadrature coupler has two of its ports connected to substantially identical reflection amplifiers. The reflection dio... | 11/15/1983 |
| 4368092 | Apparatus for the etching for semiconductor devices Apparatus for the etching of semiconductor devices which includes, in combination, an etching chamber containing the semiconductor device to be etched, an electrodeless etching plasma forming chamber having an inlet connected to a source of continuously f... | 01/11/1983 |
