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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 |
| 7683734 | RF re-entrant combiner Various embodiments are described herein for a combiner. The combiner includes first and second transmission lines, a dielectric material disposed about the first and second transmission lines, an intermediate conductor arrangement disposed about the dielectric mate... | 03/23/2010 |
| 7535316 | Self-supported strip line coupler A coupler assembly has first and second conductors with first and second dielectric supports extending along a coupling section and supporting the first and second conductors at a support section. ... | 05/19/2009 |
| 7443266 | Variable power coupling device An apparatus and method for providing adaptive control of the output of a radio frequency coupler. Adaptive control may include providing a transmission line having a plurality of branches extending therefrom and terminating, correspondingly, with a plurality of ter... | 10/28/2008 |
| 7429903 | Dual directional coupler with multi-stepped forward and reverse coupling rods A dual directional coupler includes a housing, a main conductor, a forward coupled conductor and a reverse coupled conductor. The main conductor, the forward coupled conductor and the reverse coupled conductor are arranged in parallel within the housing such that th... | 09/30/2008 |
| 7307492 | Design, layout and method of manufacture for a circuit that taps a differential signal An apparatus that includes a first conducting strip having a narrowed width where the first conducting strip also acts as a first electrode for a first tapping capacitance. The first tapping capacitance has a second electrode that is: 1) parallel to the first conduc... | 12/11/2007 |
| 7283020 | Signal extracting arrangement A base station in a mobile communication network, includes at least one transmission line for transmitting a radio frequency signal. Each transmission line includes a coupling hole. A two-port coupled line includes one or more coupling holes. Each transmission line ... | 10/16/2007 |
| 7259640 | Miniature RF and microwave components and methods for fabricating such components RF and microwave radiation directing or controlling components are provided that may be monolithic, that may be formed from a plurality of electrodeposition operations and/or from a plurality of deposited layers of material, that may include switches, inductors, ant... | 08/21/2007 |
| 7245192 | Coupler with edge and broadside coupled sections Couplers are disclosed that include first and second mutually coupled conductors. The coupled conductors may be regular or irregular in configuration, and for example, may be linear, including rectilinear or with one or more curves, bends or turns, such as forming a... | 07/17/2007 |
| 7239219 | Miniature RF and microwave components and methods for fabricating such components RF and microwave radiation directing or controlling components are provided that may be monolithic, that may be formed from a plurality of electrodeposition operations and/or from a plurality of deposited layers of material, that may include switches, inductors, ant... | 07/03/2007 |
| 7138887 | Coupler with lateral extension A coupler is disclosed that includes first and second mutually coupled spirals or loops disposed on opposite sides of a dielectric substrate. The substrate may be formed of one or more layers and the loops may have a number of turns appropriate for a given applicati... | 11/21/2006 |
| 7119633 | Compensated interdigitated coupler A coupler may include four ports, and first and second sets of conductive strips. Each set of conductive strips may include a plurality of interconnected conductive strips connected between two ports. Each conductive strip of the first set may be electromagnetically... | 10/10/2006 |
| 6972639 | Bi-level coupler A coupler is disclosed that includes first and second mutually coupled spirals disposed On opposite sides of a dielectric substrate. The substrate may be formed of one or more layers and the coils may have a number of turns appropriate for a given application. Condu... | 12/06/2005 |
| 6963255 | Power splitter A power splitter that has a small package size and repeatable electrical characteristics. The power splitter includes a low temperature co-fired ceramic (LTCC) substrate with several layers. Electrical components such as resistors and capacitors are integrated withi... | 11/08/2005 |
| 6933801 | Distributed load transmission line matching network An apparatus and method for maximizing ac energy delivered to a load by minimizing energy reflected from a load, such as an RF power source coupled to a plasma load for substrate processing chambers, including a matching network, wherein the matching network couples... | 08/23/2005 |
| 6882243 | Directional coupler An improved directional coupler is distinguished by the following features: an attenuation circuit is adjacent and is connected to each of the two coupling line ends on the coupler substrate, or an attenuation circuit is connected ... | 04/19/2005 |
| 6822532 | Suspended-stripline hybrid coupler A suspended stripline device and method for manufacturing thereof. The device includes first and second conductive traces disposed on a dielectric substrate, each of the first and second conductive traces having a first edge and a second edge, and a housing at least... | 11/23/2004 |
| 6803838 | Wideband 180 microwave phase switch The invention relates to a wideband 180° microwave phase switch structure, consisting of microwave or millimetric wave elements such as waveguides, microstrips, striplines or coaxial cables, which are connected in such a way that they can produce a structure with a... | 10/12/2004 |
| 6784521 | Directional coupler A directional coupler that has a small package size and repeatable electrical characteristics. The directional coupler includes a low temperature co-fired ceramic (LTCC) substrate with several layers. Electrical components such as resistors and capacitors are integr... | 08/31/2004 |
| 6590472 | Surface mounted broadside directional coupler A directional coupler comprises a coupler circuit board which is mounted substantially perpendicular to the surface of a parent circuit board. First and second upper traces are disposed on the opposing surfaces of the coupler circuit board. The coupling b... | 07/08/2003 |
| 6549089 | Microstrip directional coupler loaded by a pair of inductive stubs A microstrip side-coupled directional coupler (20) uses inductive loading to achieve improved directivity. In one embodiment, short-circuited inductive stubs (26, 27) are connected to the coupled line (22) of the coupler (20). In a second embodiment, pair... | 04/15/2003 |
| 6472885 | Method and apparatus for measuring and characterizing the frequency dependent electrical properties of dielectric materials A method and apparatus for measuring complex permittivity of dielectric materials in solid, liquid, or gas form. The apparatus is includes a TEM or quasi-TEM transmission line test fixture, which contains the dielectric material under test, a set of uniqu... | 10/29/2002 |
| 6204827 | Antenna feeding circuit An object of the present invention is to provide an antenna feeding circuit, which requires no balance-unbalance converter and has a simplified structure. The object is attained, by an antenna feeding circuit, according to the present invention, in which ... | 03/20/2001 |
| 6150898 | Low-pass filter with directional coupler and cellular phone An integrated component providing the function of both a conventional directional coupler and a low-pass filter having two attenuation poles at a specified frequency band without changing the line length. Stub lines are connected to both ends of a main tr... | 11/21/2000 |
| 6066994 | Broadband directional coupler including amplifying, sampling and combining circuits A directional coupler for r.f. power measurement utilizes a capacitive voltage divider connected to the center conductor of a length of transmission line. The output of the divider is connected to the input of a field effect transistor amplifier, which ma... | 05/23/2000 |
| 5994977 | High frequency signal directional coupling line A high frequency signal line facilitates the adjustment of the strength of branched output or inductively coupled leakage field depending on the particular requirement of operation. In the preferred embodiment, a transmission line consists of a central co... | 11/30/1999 |
| 5966057 | Reflection reducing directional coupler A reflection reducing directional coupler provides an output signal from a coupled signal while reducing the effect of an input signal. The directional coupler provides circuitry to divide, phase delay and vectorially add signals to provide coherent outpu... | 10/12/1999 |
| 5864259 | Measuring line for a coaxial conductor for determining energy throughflow and standing wave ratios A measuring line for a coaxial conductor for determining energy throughflow and standing-wave ratio, comprising two coaxial connectors (2) having an impedance adapted for a coaxial conductor; an intermediate hollow conductor comprising an inner conductor ... | 01/26/1999 |
| 5774026 | High frequency impedance transformer A coupling and matching device for high frequency or microwave signal transmission includes two line sections (9, 10) with parallel, weakly coupled portions (9', 10'), where the primary section (9) forms a short circuit and is connected to a relatively lo... | 06/30/1998 |
| 5570069 | Broadband directional coupler A directional coupler having a broadband frequency response comprises a pair of parallel TEM transmission lines having an input port, a thru port, a coupled port, and an isolation port. A quarter-wave, short circuited transmission line coupled to the thru... | 10/29/1996 |
| 5541617 | Monolithic quadrifilar helix antenna A quadrifilar helix antenna containing a hybrid junction power divider feed circuit and a plurality of radiating elements. The radiating elements are connected on one end to the hybrid junction power divider feed circuit and are free to radiate on the oth... | 07/30/1996 |
| 5499001 | Cavity matched hybrid coupler A microwave coupler is disclosed which includes an aluminum housing forming a cavity with upper and lower ground planes. A pair of substantially square-shaped conductors are supported within the cavity and symmetrically located with respect to the upper a... | 03/12/1996 |
| 5347244 | Broadband directional coupler using cables A broadband directional coupler and method of constructing same is disclosed. The coupler is formed from a first and second coaxial cable each of which has an inner conductor surrounded by an insulating material and an outer conductive shielding sleeve ab... | 09/13/1994 |
| 5329285 | Dually polarized monopulse feed using an orthogonal polarization coupler in a multimode waveguide A dually polarized monopulse feed system for processing radar signal information from a target so the target may be identified and tracked includes a symmetrical multimode input waveguide, a coupler for separating polarized modes of signal waves to identi... | 07/12/1994 |
| 5304961 | Impedance transforming directional coupler A lumped impedance transforming directional coupler including a first reactive element, a second reactive element coupled to the first reactive element at a first port, a third reactive element coupled to the second reactive element at a second port, a fo... | 04/19/1994 |
| 5162911 | Circuit for adding r.f. signals The circuit is capable of selectively adding r.f. inputs at A, B dependent on the bias voltage applied to varactor diodes D1, D2. In one bias condition of the diodes and hence one value of capacitance, the reactance between A and B and between the output ... | 11/10/1992 |
| 5148132 | Microwave coupler An insulating sleeve for a microwave coupler having two proximately positioned inner conductors, an outer conductor and the sleeve disposed between the conductors and in contact with them. The material from which the sleeve is constructed is electrically ... | 09/15/1992 |
| 5111165 | Microwave coupler and method of operating same utilizing forward coupling A suspended substrate coupler for operation at frequencies of 26 GHz or higher operated in a forward coupling mode. Coupling tends to improve with increased frequency and coupling as tight as 2 dB is provided for frequencies of 40 to 60 GHz. The first and... | 05/05/1992 |
| 5105171 | Coplanar waveguide directional coupler and flip-clip microwave monolithic integrated circuit assembly incorporating the coupler A coplanar waveguide directional coupler (116,134) may be formed on a surface (102a,106a) of a substrate (102) and/or a microwave monolithic integrated circuit (MMIC) chip (106), with the MMIC chip (106) being flip-chip mounted on the substrate (102). The... | 04/14/1992 |
| 4952916 | Power transmission An electrohydraulic control system includes an actuator having a cylinder and a piston variably positionable therewithin. An electrohydraulic valve is responsive to valve control signals for coupling the actuator to a source of hydraulic fluid. A coaxial ... | 08/28/1990 |
| 4928077 | Tunable microwave coupler with mechanically adjustable conductors Disclosed is a three-plate type coupler providing for the partial tapping, by means of plungers, of a microwave energy which is propagated in a guide. The coupler has mechanical means to vary the height of the central conductor of the three-plate structur... | 05/22/1990 |
