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7623003 |
Drive method for driving element having capacity impedance, drive device, and imaging device
Three devices such as electric charge-coupled devices are each included in one of three phase impedance circuits composing a 3-phase LC resonance circuit as a device having a capacitive impedance....
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7619489 |
Semiconductor integrated circuit
A semiconductor device comprising a signal transmission line of a microstrip structure, capable of increasing the characteristic impedance of the signal transmission line and reducing coupling...
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7612671 |
Attachment device, attachment receiving device and system for identifying secured containers
An attachment device, attachment receiving device and system for identifying a secured container are disclosed. The system may include an attachment device, a first identification device embedded...
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7609124 |
Non-reciprocal circuit device
A non-reciprocal circuit device comprising a metal case, a ground plate disposed on an inner bottom surface of the metal case, a resin member disposed on the ground plate and having an opening from...
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7595445 |
Transposition device for a prefabricated electrical canalization
The present invention relates to a transposition device for a prefabricated electrical canalization, said canalization includes a certain number of conducting bars distributing different phases...
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7570128 |
Integrated non-reciprocal component comprising a ferrite substrate
The invention relates to a non-reciprocal component ( 10 ) comprising: a ferrite substrate ( 11 ) having a first side ( 1 -″) and an opposing second side ( 16 ) located on a ground layer ( 18 ),...
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7567141 |
Nonreciprocal circuit device and communication apparatus
A nonreciprocal circuit device includes permanent magnets, a ferrite core to which a DC magnetic field is applied from the permanent magnets, center electrodes disposed on the ferrite core, a...
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7561003 |
Multi-junction waveguide circulator with overlapping quarter-wave transformers
An improved multi-junction waveguide circulator overlaps two quarter-wave dielectric transformer sections so that the transitional sections occur concurrently in the same length of waveguide....
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7522013 |
Non-reciprocal circuit device
A non-reciprocal circuit device comprising a first inductance element connected between a first input/output port and a second input/output port, a second inductance element connected between the...
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7522012 |
Nonreciprocal circuit device and manufacturing method of the same
A nonreciprocal circuit device includes permanent magnets, a ferrite to which a direct current magnetic field is applied by the permanent magnets, first and second central electrodes arranged on...
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7504904 |
Printed-circuit impedance control using skewed reference mesh
A printed circuit laminate is provided comprising at least one conductor trace for carrying forward electrical signals in a first direction of signal propagation. The printed circuit laminate also...
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7495526 |
Apparatus and method for reducing propagation delay in a conductor system selectable to carry a single signal or independent signals
An apparatus and method is provided that reduces the propagation delay in a conductor carrying an electrical signal from a first area of a circuit to a second area of the circuit. The conductor is...
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7495521 |
Multi-channel circulator/isolator apparatus and method
A multi-channel circulator or isolator well suited for use in phased array antennas or other RF devices where space and packaging constraints make the implementation of a conventional circular or...
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7492234 |
Printed circuit board
A printed circuit board (PCB) includes at least one signal layer, a ground layer, at least two signal lines, and at least one grounded line. The signal lines are arranged on the signal layer for...
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7471173 |
Resonator, filter, nonreciprocal circuit device, and communication apparatus
A dielectric substrate is provided with first and second conductor openings communicating with each other via a first slit, and third and fourth conductor openings communicating with each other via...
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7453326 |
Nonreciprocal circuit device
A nonreciprocal circuit device includes a ferrite to which a direct magnetic field is applied using permanent magnets, central electrodes arranged on the ferrite, and a circuit substrate. The first...
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7443262 |
Two-port isolator, characteristic adjusting method therefor, and communication apparatus
A two-port isolator includes a metal case having an upper metal case portion and a lower metal case portion, a resin case integrated with the case, a permanent magnet member, a center electrode...
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7439821 |
DC to DC transmission system
A DC to DC transmission system includes at least three conductors between a source and a sink, a first switch which alternately connects each conductor to the source, a second switch which...
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7436267 |
Microstrip line dielectric overlay
A printed circuit board has a dielectric constant different from the dielectric constant of free space, with at least two microstrip lines routed adjacent to one another on a surface of the printed...
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7432777 |
Non-reciprocal circuit element, composite electronic component, and communication apparatus
An isolator includes five center electrodes coupled at radio frequencies to a ferrite member to which a DC bias magnetic field is applied from a permanent magnet. First and third electrodes do not...
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7432776 |
Dielectric-filled transmission lines
A printed circuit board transmission line has an outer conductive wall surrounding an inner dielectric core. The transmission line may be disposed inside a grounded shielding to provide a form of...
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7432775 |
High speed electronics interconnect having a dielectric system with cylindrical holes therein
Fundamental interconnect systems for connecting high-speed electronics elements are provided. The interconnect systems consists of the signal line, dielectric system with opened trench or slot...
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7420435 |
Non-reciprocal circuit element, method for manufacturing the same, and communication device
A non-reciprocal circuit element is equipped with a ferrite-magnet assembly which includes a pair of permanent magnets and a ferrite sandwiched between the permanent magnets. A first center...
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7397321 |
Digitally controlled circulator and radio frequency identification reader having the same
Provided are a digitally controlled circulator and a radio frequency identification (RFID) reader having the circulator. A power splitter is composed of lumped elements and the values of the...
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7397320 |
Non-uniform transmission line for reducing cross-talk from an aggressor transmission line
A non-uniform transmission line, including at least a first section with length L 1 , uniform width W 1 and thickness h 1 , and a second section with length L 2 , uniform width W 2 and thickness...
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7394330 |
Non-reciprocal circuit element
A magnetic rotor includes a soft ferrite substrate and a plurality of central conductors. The magnetic rotor is provided inside a casing. A permanent magnet is provided inside the casing, and...
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7385454 |
Ferrite housing for microwave devices
A ferrite housing is provided that includes a body for receiving at least one ferrite element therein and a plurality of mounting portions extending from and forming part of the body.
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7382209 |
Non-reciprocal circuit device
There is provided a non-reciprocal circuit device which is suitable for a reduction in height, an increase in a mechanical securing strength and a reduction in a number of components, and has a...
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7378919 |
Planar microwave line having microstrip conductors with a directional change region including a gap having periodic foldings
A planar microwave line is provided, having a dielectric substrate and a planar arrangement of a first microstrip conductor and at least one additional microstrip conductor, in which a gap between...
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7365616 |
Non-reciprocal element with three central conductors and communication apparatus using the same
A non-reciprocal element with three central conductors and a communication apparatus are disclosed, in which the insertion loss is small and the bandwidth is wide. Three central conductors are...
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7362195 |
Ferro magnetic metal-insulator multilayer radio frequency circulator
A directional R.F. circulator directs radio frequency signals without an external biasing magnetic field. Layers of ferromagnetic materials and insulating materials form a laminated nano-structure....
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7352257 |
Flexible print cable having alternating signal and ground conductors and connector for the same
A flexible print cable includes signal lines and ground lines. The signal lines and the ground lines are disposed alternately on each of an upper surface and an under surface of a film. The...
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7336140 |
Low temperature co-fired ceramic-metal circulators and isolators
A low temperature cofired ceramic-metal (LTCC-M) integrated circulator comprises at least one ferrite disk situated in a magnetic field. The magnetic field is created by a magnet and directed by a...
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7336139 |
Flexible interconnect cable with grounded coplanar waveguide
A high speed flexible interconnect cable includes a number of conductive layers and a number of dielectric layers. Conductive signal traces, located on the conductive layers, combine with the...
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7319369 |
Non-reciprocal circuit element and communication device
A non-reciprocal circuit element includes permanent magnets, a ferrite having center electrodes, a circuit substrate on which the permanent magnets and the ferrite are disposed, and an annular...
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7307498 |
Electrical connector test fixture
A test fixture configured to receive an electrical connector is provided that includes a circuit board having a mounting area configured to be joined to an electrical connector. The circuit board...
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7292120 |
Nonreciprocal circuit device and communication device
A nonreciprocal circuit device and a communication device having a nonreciprocal circuit device in which each end portion of each center electrode in the bottom layer of a multilayer-electrode...
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7286025 |
Circulator element
A technique for improving a circulator element for its temperature characteristic is provided. A circulator element including a garnet type ferrite material, and a permanent magnet for applying a...
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7281326 |
Technique for routing conductive traces between a plurality of electronic components of a multilayer signal routing device
Techniques for reducing the number of layers in a multilayer signal routing device are disclosed. The technique may be realized as a method for routing one or more conductive traces between a...
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7280004 |
Latching ferrite waveguide circulator without E-plane air gaps
An apparatus, system, and method of and for a microwave circulator. The apparatus, system, and method includes a non-reciprocal element for coupling microwaves from an input port to at least one...
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7276986 |
Method and apparatus for improving signal integrity in a high speed flex cable
A method for decreasing high-frequency attenuation effects in a flexible cable includes communicatively coupling signal-enhancing circuitry to a signal layer of the flexible cable.
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7265643 |
Tunable isolator
A tunable isolator is provided. At least one of the matching circuits for the isolator may be patterned or placed on a common substrate with the isolator. Additionally, at least one of the matching...
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7253697 |
Two-port isolator and communication apparatus
A two-port isolator includes a first center electrode and a second center electrode which are wound around a ferrite to which a direct-current magnetic field is applied from permanent magnets, and...
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7253696 |
Bi-crystal heterostructure electronic isolator
A bi-crystal heterostructure includes a first, substantially uniaxial, crystal layer; a second, substantially uniaxial, crystal layer positioned adjacent to the first crystal layer, and wherein the...
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7242264 |
Method and apparatus of obtaining broadband circulator/isolator operation by shaping the bias magnetic field
Disclosed is one method and one apparatus which teach improved techniques in using a shaped bias magnetic field over the active region of a ferrite stripline circulator/isolator circuit. The axial...
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7242263 |
Transformer-free waveguide circulator
An improved waveguide circulator that eliminates the need for quarter-wave dielectric transformers or impedance steps in the interface waveguide for broadband operation is described. The circulator...
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7239214 |
Two-port non-reciprocal circuit device and communication apparatus
A two-port non-reciprocal circuit device has one end of a first central electrode electrically connected to an input port and the other end thereof electrically connected to an output port. One end...
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7239213 |
Reduced cross-talk signaling circuit and method
Signaling between two or more ICs use a signaling scheme wherein a reference signal is generated at the driver side and the receiver side. The driver side reference signal is coupled to the...
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7230507 |
Compact waveguide isolator
An improved waveguide isolator that eliminates the transitions to air-filled waveguides between ferrite elements and absorptive load elements is described. The waveguide isolator in accordance with...
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7230506 |
Crosstalk reduction for a system of differential line pairs
A technique is presented for minimizing crosstalk between adjacent differential signal pairs in communications. A backplane embodiment wherein the backplane includes a plurality of differential...
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