Patent application number | Description | Published |
20080200605 | Method For Producing An Aqueous Polymer Dispersion - The process for preparing an aqueous polymer dispersion using microporous membranes. | 08-21-2008 |
20090073801 | PROCESS AND DEVICE FOR PRODUCING FINELY DIVIDED LIQUID-LIQUID FORMULATIONS, AND THE USES OF THE LIQUID-LIQUID FORMULATIONS - Process for producing finely divided liquid-liquid formulations and apparatus for producing the same, comprising | 03-19-2009 |
20100240824 | POWDER COATING SUSPENSIONS (POWDER SLURRIES) AND POWDER COATING MATERIALS, THEIR PREPARATION AND USE - Disclosed herein is a powder coating suspension prepared in the presence of an emulsifier (A) by emulsifying a liquid component (B) in an aqueous medium (C) to give an aqueous emulsion of liquid particles (D); and cooling the emulsion of liquid particles (D); wherein the emulsifier (A) has a hydroxyl number of 50 to 250 mg KOH/g and is a copolymer prepared by copolymerizing in an aqueous medium (a1) a hydroxyl-containing, olefinically unsaturated monomer; and (a2) an olefinically unsaturated monomer selected from the group consisting of (a21) a monomer of the general formula R | 09-23-2010 |
20100293842 | PRODUCTION OF ADDITIVE MIXTURES - The invention relates to a method for producing additive mixtures for fuel oils by mixing at least two additive components in a dynamic mixer or a lamination mixer. The invention further relates to additive mixtures obtained by said method and fuel oil compositions containing said additive mixtures. | 11-25-2010 |
20110053772 | Process for the Production of Particles Comprising Active Agrochemical Ingredients in Amorphous Form - An object of the present invention is a process for the preparation of particles which comprise two agrochemical active ingredients in amorphous form, where a melt comprising the two molten agrochemical active ingredients is emulsified in an aqueous solution and cooled. A further object is the use of an agrochemical active ingredient for inhibiting the crystallization of another agrochemical active ingredient in a preparation process for particles which comprise the two agrochemical active ingredients in amorphous form, where a melt comprising the two molten agrochemical active ingredients is emulsified in an aqueous solution and cooled. A further object is particles which comprise two agrochemical active ingredients in amorphous form. The use in plant protection is also described. | 03-03-2011 |
20110257010 | Aqueous Dispersion Comprising Pesticide Particles and Dissolved Saccharide - The present invention relates to an aqueous dispersion comprising solid pesticide particles with a particle size of below 10 μm and a saccharide which is dissolved in the aqueous phase. The invention furthermore relates to a process for the preparation of a dispersion according to the invention by bringing a pesticide and a saccharide, which is a monosaccharide, a disaccharide or a mixture of mono- and disaccharide, into contact and dispersing them. A further subject matter relates to the use of a saccharide for slowing down the particle growth of pesticide particles with a particle size of up to 10 μm in aqueous dispersion, to the use of the dispersion or the solid composition for controlling phytopathogenic fungi and/or undesired vegetation and/or undesired attack by insects or mites and/or for regulating the growth of plants. Finally, the present invention also relates to seed, dressed with the dispersion or the solid composition. | 10-20-2011 |
20110275738 | PROCESS FOR PRODUCING FINELY DIVIDED SUSPENSIONS BY MELT EMULSIFICATION - The invention relates to a process for the preparation of finely divided suspensions by melt emulsification, comprising at least one substance with a melting temperature above room temperature, comprising the following steps: | 11-10-2011 |
20120010074 | COMPOSITION COMPRISING SUSPENDED PESTICIDE, SALT AND POLYSACCHARIDE - The present invention relates to an aqueous composition comprising a) a suspended pesticide which is soluble in water at 20° C. to no more than 10 g/l, b) a salt, and c) a protective colloid, which is a polysaccharide which is substituted by C | 01-12-2012 |
20130043611 | Method For Encapsulating Substances With Formation Of The Capsule Shell By Interfacial Reaction In The Centrifugal Reactor - Provided are methods for encapsulating substances. In certain methods, the capsule walls are obtained by interfacial reaction, wherein the interfacial reaction is carried out in a centrifugal reactor with rotating packing. | 02-21-2013 |
20130310259 | COMPOSITION COMPRISING SUSPENDED PESTICIDE, SALT AND POLYSACCHARIDE - The present invention relates to an aqueous composition comprising a) a suspended pesticide which is soluble in water at 20° C. to no more than 10 g/l, b) a salt, and c) a protective colloid, which is a polysaccharide which is substituted by C | 11-21-2013 |
20150036454 | Paint Delivering, Metering And Mixing Device For Painting Guns - Provided are devices for delivering, metering and mixing liquid paint components, comprising (a) a paint supplying device, which comprises two or more paint reservoirs or comprises one paint reservoir, having two or more chambers for different paint components, (b) a metering device, which is arranged downstream of the paint supplying device and comprises rotating delivery devices serving as metering units, the delivery devices each having a pair of wheels and being connected to one another by a common spindle in such a way that their rotational speeds are in fixed ratios in relation to one another, and (c) a static mixing device, which is arranged downstream of the metering device and the outlet of which may be connected to a paint spray gun. Also provided are methods for using the device and for coating a substrate using the device in combination with a paint spray gun. | 02-05-2015 |
Patent application number | Description | Published |
20110133852 | MULTIPLEXED SERIAL CONTROL BUS - A signal line sharing protocol and hardware permit control of a remotely located active device configured to provide different load configurations to an antenna. As an example, the communication system may include a master device. The master device may include a general purpose output and a radio frequency port. The communication system may further include a first duplexer and a second duplexer. The first duplexer may include a first port, a second port, and a third port, where the second port is coupled to the radio frequency port and the third port is coupled to the general purpose output of the master device. The second duplexer may include a first port, a second port, and a third port, where the first port of the second duplexer is in communication with the first port of the first duplexer, wherein the second port is coupled to an antenna, and where the third port is in communication with a slave device. The slave device may be coupled to the antenna. In response to commencement of a command from the master device, the slave device may clamp the antenna to ground. | 06-09-2011 |
20110237207 | ADAPTIVE ANTENNA NEUTRALIZATION NETWORK - An adaptive antenna neutralization network (AANN) for neutralizing coupling between a first antenna and a second antenna of a mobile terminal is disclosed. The AANN includes an array of reactive branches. Each of the reactive branches includes a reactive element and an electrically controlled switch with a control input for selectively coupling the reactive element between the first antenna and the second antenna. Also included is a switch driver having an output coupled to the control input of each electrically controlled switch, and a controller having an output for sending control signals to the switch driver to turn on or off individual ones of the electrically controlled switches in response to conditions that indicate a coupling state between the first antenna and the second antenna. | 09-29-2011 |
20110310775 | DE-MULTIPLEXING A RADIO FREQUENCY INPUT SIGNAL USING OUTPUT TRANSFORMER CIRCUITRY - The present disclosure relates to de-multiplexing at least one RF input signal feeding RF power amplifier circuitry to create multiple de-multiplexed RF output signals, which may be used to provide RF transmit signals in an RF communications system. Output transformer circuitry is coupled to outputs from the RF power amplifier circuitry to provide the de-multiplexed RF output signals, which may support multiple modes, multiple frequency bands, or both. The de-multiplexed RF output signals may be used in place of RF switching elements in certain embodiments. As a result, RF front-end switching circuitry in the RF communications system may be simplified, thereby reducing insertion losses, reducing costs, reducing size, or any combination thereof. Additionally, the output transformer circuitry may provide load line transformation, output transistor biasing, or both to the RF power amplifier circuitry. | 12-22-2011 |
20120188011 | HIGH EFFICIENCY MULTIPLE POWER MODE LINEAR RADIO FREQUENCY POWER AMPLIFIER - The embodiments disclosed in the detailed description include a power amplifier having a low power mode amplifier, a medium power mode amplifier, and a high power mode amplifier in communication with a radio frequency (RF) output load. The exemplary embodiments of the power amplifier permit a wireless device to select the most power efficient means to transmit an RF signal based upon the desired output power level. | 07-26-2012 |
20120201258 | ASYMMETRICAL TRANSFORMER OUTPUT DEMULTIPLEXING (ATODEM) CIRCUIT - An asymmetrical transformer output demultiplexing (ATODEM) circuit is disclosed. The ATODEM circuit of the present disclosure includes N input windings, wherein N is a natural number. Each of the N input windings have input terminals that couple to output terminals of N PAs. The ATODEM further includes M output ports wherein M is a natural number, each of the M output ports having N series coupled windings coupled between a load terminal and a return terminal. The physical attributes of the N input windings, and the N series coupled windings of the M output ports are asymmetrical such that in an Nth operation mode an Nth PA first-load line impedance matches an output impedance of an Nth PA coupled to the input terminals. | 08-09-2012 |
20120243586 | PHASE SHIFTING STAGE FOR SWITCHLESS DE-MULTIPLEXING - A phase shifting stage is disclosed. The phase shifting stage includes first and second transistors. Second terminals of the first transistor and the second transistor are coupled to a first current tail node. A third transistor and a fourth transistor have second terminals that are coupled to a second current tail node. Also included is a first transformer having a primary winding with first and second inputs and a secondary winding. The first input is coupled to the first terminals of the first and third transistors, and the second input is coupled to the first terminals of the second and the fourth transistors. A common input stage having high power gain and phase commutating cascode stages in asymmetrical transformer output demultiplexing (ATODEM) branches is also provided. The common input stage limits the noise generated at an input stage by substantially canceling out the noise at an output transformer of the ATODEM. | 09-27-2012 |
20130027132 | HIGH EFFICIENCY MULTIPLE POWER MODE LINEAR RADIO FREQUENCY POWER AMPLIFIER - The embodiments disclosed in the detailed description include a power amplifier having a low power mode amplifier, a medium power mode amplifier, and a high power mode amplifier in communication with a radio frequency (RF) output load. The exemplary embodiments of the power amplifier permit a wireless device to select the most power efficient means to transmit an RF signal based upon the desired output power level. | 01-31-2013 |
20130201880 | TUNABLE DUPLEXER ARCHITECTURE - A tunable radio frequency (RF) duplexer is disclosed. The tunable RF duplexer includes a first hybrid coupler, a second hybrid coupler, and an RF filter circuit. The first hybrid coupler is operable to split an RF receive input signal into first and second RF quadrature hybrid receive signals (QHRSs). The first hybrid coupler is also operable to split an RF transmission input signal into first and second RF quadrature hybrid transmission signals (QHTSs). The RF filter circuit is operable to pass the first and second RF QHRSs to the second hybrid coupler and to reflect the first and second RF QHTSs back to the first hybrid coupler. Additionally, the second hybrid coupler is configured to combine the first and second RF QHRSs into an RF receive output signal, while the first hybrid coupler is configured to combine the first and second RF QHTSs into an RF transmission output signal. | 08-08-2013 |
20130201881 | RF TRANSCEIVER WITH DISTRIBUTED FILTERING TOPOLOGY - This disclosure includes embodiments of a radio frequency (RF) transceiver having a distributed duplex filtering topology. The RF transceiver includes a power amplifier and a tunable RF duplexer. The tunable RF duplexer is configured to input an RF transmission input signal from the power amplifier, generate an RF transmission output signal that operates within an RF transmission band in response to the RF transmission input signal from the power amplifier, and simultaneously output the RF transmission output signal to an antenna and input an RF receive input signal that operates within an RF receive band from the antenna. The power amplifier includes a plurality of RF amplifier stages coupled in cascode and an RF filter coupled between a first one of the RF amplifier stages and a second one of the RF amplifier stages. Accordingly, the RF filter is configured to provide tuning within the RF receive band. | 08-08-2013 |
20130201882 | TUNABLE HYBRID COUPLER - This disclosure includes embodiments of a tunable hybrid coupler. The tunable hybrid coupler includes a first inductive element having a first inductance, a second inductive element having a second inductance and mutually coupled to the first inductive element, a first variable capacitive element having a first variable capacitance, and a second variable capacitance having a second variable capacitance. The first variable capacitive element is coupled between a first port and a second port. The second variable capacitive element is coupled between a third port and a fourth port. The first inductive element is coupled from the first port to the third port, while the second inductive element is coupled from the second port to the fourth port. Accordingly, the tunable hybrid coupler may form an impedance matching network that is tunable to different RF communication bands. The tunable hybrid coupler may thus be included in a tunable RF duplexer. | 08-08-2013 |
20130207714 | SHUNT SWITCH AT COMMON PORT TO REDUCE HOT SWITCHING - Pilot switch circuitry grounds a hot node (an injection node) of a microelectromechanical system (MEMS) switch to reduce or eliminate arcing between a cantilever contact and a terminal contact when the MEMS switch is opened or closed. The pilot switch circuitry grounds the hot node prior to, during, and after the cantilever contact and terminal contact of the MEMS come into contact with one another (when the MEMS switch is closed). Additionally, the pilot switch circuitry grounds the hot node prior to, during, and after the cantilever contact and terminal contact of the MEMS disengage from one another (when the MEMS switch is opened). | 08-15-2013 |
20130250819 | CARRIER AGGREGATION FRONT END ARCHITECTURE - Radio frequency (RF) front end circuitry includes a notch diplexer. The notch diplexer includes a high pass filter coupled between a high band port and an antenna port, and a low pass notch filter coupled between a low band port and the antenna port. The high pass filter is adapted to receive a high band receive signal having a high band carrier frequency at the antenna port, and pass the high band receive signal to the high band port. The low pass notch filter is adapted to receive a low band transmit signal having a low band carrier frequency at the low band port, and attenuate distortion in the low band transmit signal about a notch stop band before passing the low band transmit signal to the antenna port. According to one embodiment, the notch stop band includes the high band carrier frequency. | 09-26-2013 |
20130285763 | HYBRID COUPLER - This disclosure relates to hybrid couplers for radio frequency (RF) signals. The hybrid coupler includes a first port, a second port, a third port, a fourth port, a first inductive element connected from the first port to the third port, and a second inductive element connected from the second port to the fourth port. The hybrid coupler further includes a first capacitive element and a second capacitive element. The first capacitive element is connected between an intermediary node of the first inductive element and either the first port or the third port, while the second capacitive element is coupled between an intermediary node of the second inductive element and either the second port or the fourth port. Accordingly, the first capacitive element and a portion of the first inductive element and the second capacitive element and a portion of the second capacitive element each form a harmonic trap. | 10-31-2013 |
20130321097 | VSWR TOLERANT TUNABLE HYBRID DUPLEXER - The disclosure describes a dual hybrid duplexer including two hybrid couplers, two intra-filters, a tunable isolation load, and a phase shifter. The phase shifter may be located at the isolation port. The phase shifter may be located at the antenna port. In one embodiment, a dual hybrid duplexer includes two hybrid couplers, two intra-filters, a tunable isolation load, a first phase shifter located at the isolation port, and a second phase shifter located at the antenna port. The first and second phase shifters have a difference of 90 degrees (plus or minus 10 degrees). | 12-05-2013 |
20140016517 | DE-MULTIPLEXING A RADIO FREQUENCY INPUT SIGNAL USING OUTPUT TRANSFORMER CIRCUITRY - The present disclosure relates to de-multiplexing at least one RF input signal feeding RF power amplifier circuitry to create multiple de-multiplexed RF output signals, which may be used to provide RF transmit signals in an RF communications system. Output transformer circuitry is coupled to outputs from the RF power amplifier circuitry to provide the de-multiplexed RF output signals, which may support multiple modes, multiple frequency bands, or both. The de-multiplexed RF output signals may be used in place of RF switching elements in certain embodiments. As a result, RF front-end switching circuitry in the RF communications system may be simplified, thereby reducing insertion losses, reducing costs, reducing size, or any combination thereof. Additionally, the output transformer circuitry may provide load line transformation, output transistor biasing, or both to the RF power amplifier circuitry. | 01-16-2014 |
20140028521 | TUNER TOPOLOGY FOR WIDE BANDWIDTH - Adjustable impedance tuning circuitry includes a first impedance matching terminal, a second impedance matching terminal, and a plurality of passive components adapted to match the impedance of the first impedance matching terminal and the second impedance matching terminal. The plurality of passive components includes one or more tunable components adapted to adjust the impedance of the adjustable impedance tuning circuitry to maintain an impedance match between the first impedance matching terminal and the second impedance matching terminal over a variety of operating conditions. Each of the one or more tunable components includes one or more switches adapted to selectively alter the impedance of the tunable component. The one or more switches are integrated onto a single semiconductor die in order to facilitate the performance of the adjustable impedance tuning circuitry over a wide bandwidth. | 01-30-2014 |
20150054698 | ANTENNA TUNING CIRCUITRY WITH REDUCED INTERFERENCE - Antenna tuning circuitry includes an antenna tuning node, an antenna tuning switch, and a resonant tuning circuit. The antenna tuning node is coupled to a resonant conduction element of an antenna. The antenna tuning switch and the resonant tuning circuit are coupled in series between the antenna tuning switch and the antenna tuning node, such that the resonant tuning circuit is between the antenna tuning node and the antenna tuning switch. The resonant tuning circuit is configured to resonate at one or more harmonic frequencies generated by the antenna tuning switch such that a high impedance path is formed between the antenna tuning switch and the antenna tuning node at harmonic frequencies generated by the antenna tuning switch. Accordingly, harmonic interference generated by the antenna tuning switch is prevented from reaching the antenna, while simultaneously allowing for tuning of the antenna. | 02-26-2015 |
20150192974 | POWER MANAGEMENT SYSTEM FOR A BUS INTERFACE SYSTEM - Embodiments of bus interface systems are disclosed. In one embodiment, a bus interface system includes a master bus controller and a slave bus controller coupled along a bus line. The master bus controller is configured to generate an input data signal that is received by the slave bus controller along the bus line. The slave bus controller includes power conversion circuitry configured to convert the input data signal from the master bus controller into a supply voltage. By providing the power conversion circuitry, the slave bus controller is powered using the input data signal and without requiring an additional bus line to transfer a supply voltage to the slave bus controller. | 07-09-2015 |
20150207238 | MULTIPLE-INPUT MULTIPLE-OUTPUT RF ANTENNA ARCHITECTURES - RF communications circuitry, which includes a first RF antenna element, a second RF antenna element, a third RF antenna element, and a fourth RF antenna element is disclosed. The first RF antenna element is proximal to the second RF antenna element. The third RF antenna element is proximal to the fourth RF antenna element. A primary axis of the first RF antenna element is about perpendicular to a primary axis of one of the third RF antenna element and the fourth RF antenna element. | 07-23-2015 |