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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....
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...
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...
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...
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...
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 ),...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.
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...
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...
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...
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...
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...
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...
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...
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...
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...