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8183952 |
Surface mountable circulator
The present invention is directed to a surface mountable circulator/isolator device that includes a first dielectric layer having an electric circuit formed thereon. A second center dielectric...
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8183953 |
Multi-junction stripline circulators
A multi-junction stripline circulator, comprising a housing with a cavity structure and a plurality of stripline junction circuits stacked within the cavity structure and connected in a cascade...
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8155602 |
MEMS-based radio frequency circulator
The invention relates to an RF circulator device with n ports allowing an RF signal to circulate in a single direction, where the circulator has at least three ports, an input port for receiving a...
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8143816 |
Power variator
An apparatus for use in a process to regulate power for a particle accelerator includes a first circulator, a second circulator, a tee coupled between the first and the second circulator, and a...
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8138848 |
Circulator/isolator with an asymmetric resonator
The present invention is directed to a circulator device that includes a housing defining an interior three-dimensional volume. The housing includes a plurality of port openings disposed therein. A...
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8134422 |
Non-reciprocal circuit device
A non-reciprocal circuit device comprising a ground plate having pluralities of external projections, a resin member having a hole through which the ground plate is exposed, a garnet plate disposed...
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8130054 |
Frequency-adjustable radio frequency isolator circuitry
The present invention relates to a frequency-adjustable radio frequency (RF) isolator that may operate as a bandpass filter when processing RF signals in a forward direction and may operate as a...
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8058945 |
Ferrite magnet device, nonreciprocal circuit device, and composite electronic component
A ferrite magnet device, a nonreciprocal circuit device, and a composite electronic component are provided. The ferrite magnet device includes a ferrite element having a plurality of central...
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8058944 |
Microwave circulators
A microwave circulator having an outer metal housing with a cavity containing at least one magnet and an annular centring arrangement interposed between the outside of the magnet and the cavity....
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8040199 |
Low profile and compact surface mount circulator on ball grid array
A surface mount circulator. The novel circulator includes a substrate, a predetermined number of microstrip lines disposed on a first surface of the substrate, a ground layer and a predetermined...
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8022783 |
Non-reciprocal circuit element
The invention relates to a non-reciprocal circuit element (1) having a plurality of strip conductor elements (2) insulated electrically from one another, which conductor elements are embedded in a...
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7978018 |
Non-reciprocal circuit device
A non-reciprocal circuit device comprising a magnetic plate F1; center conductors L1, L2, and L3 that are mutually insulated and disposed so as to intersect on magnetic plate F1; a plane conductor...
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7936230 |
Non-reciprocal component and method for making and using the component in a mobile terminal
The invention relates to a non-reciprocal component comprising: a ferrite substrate having a first side and an opposing second side located on a ground layer, a first metal line and a second metal...
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7936231 |
Circulator/isolator housing with inserts
A circulator/isolator housing is provided that includes body and a plurality of slots within the body configured to receive therethrough inserts having magnetic permeability. The housing further...
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7915971 |
Nonreciprocal circuit device
A nonreciprocal circuit device includes a ferrite-magnet element having ferrite provided with first and second central electrodes intersecting each other in an insulated manner and two permanent...
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7907030 |
Integrated circulators sharing a continuous circuit
The present invention is directed to a circuit assembly that includes an integrated circulator assembly. The circuit assembly has a first substrate, which contains a continuous circuit trace that...
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7859358 |
Non-reciprocal circuit device
A nonreciprocal circuit device has a structure that allows a direct current magnetic field having an even density to be applied to a necessary portion of a ferrite without impairing a reduction in...
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7859357 |
Non-reciprocal circuit device
A non-reciprocal circuit device includes a yoke that is small-sized, has a simple structure, has sufficient adhesive strength, and can achieve favorable performance characteristics. The...
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7834716 |
Nonreciprocal circuit device
A nonreciprocal circuit device (2-port isolator) includes a ferrite-magnet assembly including a ferrite, a first center electrode, and a second center electrode. The ferrite is sandwiched between a...
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7834717 |
Nonreciprocal circuit device
A nonreciprocal circuit device (2-port isolator) includes a ferrite-magnet assembly including a ferrite, a first center electrode, and a second center electrode. The ferrite is sandwiched between a...
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7830222 |
Non-reciprocal circuit device
A non-reciprocal circuit device capable of preventing and minimizing disturbances in magnetic field distribution in a ferrite to thereby improve insertion loss characteristics and isolation...
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7825744 |
Nonreciprocal circuit device
A nonreciprocal circuit device attenuates unnecessary waves having a higher frequency than that of a fundamental wave, without increasing insertion loss. The nonreciprocal circuit device in the...
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7821351 |
Irreversible circuit element
An irreversible circuit element is configured by including a magnetic substance, a plurality of central conductors L1 to L3, one ends of which are connected to different input/output ports,...
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7816994 |
Microwave circulator with thin-film exchange-coupled magnetic structure
A microwave circulator uses a thin-film exchange-coupled structure to provide an in-plane magnetic field around the circulator. The exchange-coupled structure is a ferromagnetic layer having an...
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7816995 |
Circulator canceller with increased channel isolation
A system includes a first circulator, a second circulator connected to the first circulator and a load, a third circulator connected to the second circulator, and a filter connected between the...
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RE41843 |
Method of detecting a redirection or relaying of a contactless data transmission using at least two sequentially driven transmitting antennas
A method detects relaying of a contactless data communication by a radio amplifier for intercepting and manipulating the communication to achieve an unauthorized authentication. The method involves...
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7808339 |
Non-reciprocal circuit element
A non-reciprocal circuit element (for example, a 2-port isolator) includes a tabular yoke, permanent magnets, a ferrite to which a direct current magnetic field is applied from the permanent...
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7772937 |
Circulator/isolator housing with inserts
A circulator/isolator housing is provided that includes body and a plurality of slots within the body configured to receive therethrough inserts having magnetic permeability. The housing further...
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7756503 |
High frequency module
Heretofore, a plurality of packages were used in a high frequency module in which a plurality of waveguide terminals were positioned resulting in problems, such as degradation of characteristics in...
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7746188 |
Integrated non-reciprocal component
The invention relates to a non-reciprocal component comprising a first dielectric part (11) and a ferrite substrate (12) located on the same level, a ground layer (18) is located below the ferrite...
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7746189 |
Waveguide circulator
A waveguide circulator comprising at least three waveguide arms intersecting at a junction, at least one ferrite element positioned within the junction, an impedance transformer and a recessed...
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7733814 |
Separation and combination of multiple channels in a bi-directional time-division communication system
A time-division communication system wirelessly receives a communication signal during receive time periods and wirelessly transfers a communication signal during transmit time periods. These...
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7719384 |
Broadband channelized circulator
A system includes more than one subsystem, each subsystem operating within a different subsystem frequency range, the subsystems comprising a circulator having three or more circulator ports and a...
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7683731 |
Ferrite waveguide circulator with thermally-conductive dielectric attachments
The present invention improves the geometry of ferrite circulators in order to increase the average power handling by decreasing the temperature rise in the ferrite and associated adhesive bonds....
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7659792 |
Circulator device and a method for assembly
The present invention is directed to a circulator/isolator device that includes a housing having a substantially planar base portion integrally connected to a segmented flexible wall structure...
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7650121 |
Time division duplexing transmission/reception apparatus and method using polarized duplexer
A time division duplexing (TDD) transmission/reception apparatus and method are provided. The TDD transmission/reception apparatus includes: a transmitter which generates a transmitted signal; an...
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7626471 |
Non-reciprocal circuit device
A non-reciprocal circuit device comprising a first inductance element L1 disposed between a first input/output port P1 and a second input/output port P2, a first capacitance element Ci...
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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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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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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), a first m...
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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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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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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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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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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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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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