Patent application number | Description | Published |
20120088560 | MOBILE WIRELESS COMMUNICATIONS DEVICE INCLUDING SPACED APART ELONGATE MEMBERS FOR REDUCING SAR AND RELATED METHODS - A mobile wireless communications device may include a portable housing and wireless transceiver circuitry carried by the portable housing. The mobile wireless communications device may also include an antenna carried by the portable housing and coupled to the wireless transceiver circuitry, and a light source carried by the portable housing. The device may further include a keyboard assembly carried by the portable housing including a light guide coupled to the light source and having input key receiving openings therein, and a mask carried by the light guide and having input key receiving openings. The mask may include spaced apart electrically conductive elongate members positioned relative to the antenna to reduce a Specific Absorption Rate value for the mobile wireless communications device. | 04-12-2012 |
20120244919 | MOBILE WIRELESS COMMUNICATIONS DEVICE INCLUDING SPACED APART ELONGATE MEMBERS FOR REDUCING SAR AND RELATED METHODS - A mobile wireless communications device may include a portable housing and wireless transceiver circuitry carried by the portable housing. The mobile wireless communications device may also include an antenna carried by the portable housing and coupled to the wireless transceiver circuitry, and a light source carried by the portable housing. The device may further include a keyboard assembly carried by the portable housing including a light guide coupled to the light source and having input key receiving openings therein, and a mask carried by the light guide and having input key receiving openings. The mask may include spaced apart electrically conductive elongate members positioned relative to the antenna to reduce a Specific Absorption Rate value for the mobile wireless communications device. | 09-27-2012 |
20130194136 | MOBILE WIRELESS COMMUNICATIONS DEVICE WITH MULTIPLE-BAND ANTENNA AND RELATED METHODS - A mobile wireless communications device may include a housing, a wireless transceiver carried by the housing, and a multiple-band antenna carried by the housing and coupled to the wireless transceiver. The multiple-band antenna may include a first radiator comprising a radiator element and a parasitic element adjacent to the radiator element. The parasitic element may be selectively switchable between floating and grounded states. The multiple-band antenna may include a second radiator insulated from the first radiator. | 08-01-2013 |
20140015718 | TRI-BAND ANTENNA FOR NONCELLULAR WIRELESS APPLICATIONS - A tri-band antenna for noncellular wireless applications is provided. The antenna comprises: a first radiating arm for generating a first resonance in a first frequency band, the first radiating arm further enabled for connection to an antenna tuning circuit; the first radiating arm comprising a capacitive coupling structure; a coupling arm separated by a gap from the first radiating arm; a second radiating arm for generating a second resonance in a second frequency band lower than the first frequency band, the second radiating arm connected to the coupling arm such that the second radiating arm is capacitively coupled to the first radiating arm; and a third radiating arm for generating a third resonance in a third frequency band lower than the second frequency band, the third radiating arm connected to the coupling arm such that the third radiating arm is capacitively coupled to the first radiating arm. | 01-16-2014 |
20140015720 | TRI-BAND ANTENNA FOR NONCELLULAR WIRELESS APPLICATIONS - A tri-band antenna for noncellular wireless applications is provided. The antenna comprises: a first radiating arm for generating a first resonance in a first frequency band, the first radiating arm further enabled for connection to an antenna tuning circuit; the first radiating arm comprising a capacitive coupling structure; a coupling arm separated by a gap from the first radiating arm; a second radiating arm for generating a second resonance in a second frequency band lower than the first frequency band, the second radiating arm connected to the coupling arm such that the second radiating arm is capacitively coupled to the first radiating arm; and a third radiating arm for generating a third resonance in a third frequency band lower than the second frequency band, the third radiating arm connected to the coupling arm such that the third radiating arm is capacitively coupled to the first radiating arm. | 01-16-2014 |
20140113679 | METHOD AND APPARATUS FOR RADIO FREQUENCY TUNING UTILIZING A DETERMINED USE CASE - A system that incorporates teachings of the present disclosure may include, for example, a memory, a transceiver, a plurality of antennas coupled with the transceiver, a matching network coupled with at least one of the plurality of antennas, a detector coupled with the matching network where the detector obtains operational data associated with at least two of the plurality of antennas, and a controller circuit coupled with the detector and the matching network. The controller circuit can analyze the operational data to determine an operational data differential between the at least two of the plurality of antennas. The controller circuit selects a use case for the communication device from among a group of use cases stored in the memory based on the operational data differential. Additional embodiments are disclosed. | 04-24-2014 |
Patent application number | Description | Published |
20090286953 | ALKYLPHENOL-TERMINATED COPOLYCARBONATES, PROCESSES FOR PREPARING THE SAME, MOLDING COMPOSITIONS CONTAINING THE SAME, AND ARTICLES PREPARED THEREFROM - Copolycarbonates comprising alkylphenolchain terminator groups for adjusting the molecular weight, compositions of these copolycarbonates with additives chosen from the group of heat stabilizers and mould release agents, the use thereof for the production of moldings and moldings obtained therefrom. | 11-19-2009 |
20100317776 | ALKYLPHENOL FOR ADJUSTING THE MOLECULAR WEIGHT, AND POLYCARBONATE COMPOSITIONS HAVING IMPROVED PROPERTIES - The invention relates to the use of alkylphenols for adjusting the molecular weight of polycarbonates and compositions of these polycarbonates with additives chosen from the group of heat stabilizers, mould release agents and light stabilizers, the use thereof for the production of mouldings and mouldings obtainable therefrom. | 12-16-2010 |
20110003945 | POLYCARBONATES COMPRISING CYCLIC OLIGOMERS AND HAVING AN IMPROVED FLOW BEHAVIOR - The invention relates to polycarbonates that comprise defect structures and cyclic oligomers and have improved properties. The invention also relates to molded articles and extrudates made from said polycarbonates. | 01-06-2011 |
20110040066 | POLYCARBONATES HAVING REARRANGEMENT STRUCTURES, CYCLIC AND LINEAR OLIGOMERS AND ALSO FLOW BEHAVIOR - The present invention relates to compositions having improved rheological properties which are based on polycarbonate having rearrangement structures and cyclic and linear oligomers and also mouldings and extrudates composed of these polycarbonate compositions. | 02-17-2011 |
20110105659 | POLYCARBONATE COMPOSITION WITH IMPROVED MELT-FLOWABILITY - The invention relates to a polycarbonate composition with improved melt-flowability together with good optical properties and together with good hydrolysis resistance. | 05-05-2011 |
20110144250 | POLYMER COMPOSITION WITH HEAT-ABSORBING PROPERTIES AND HIGH STABILITY - The present invention relates to a heat-absorbing polymer composition containing a transparent thermoplastic synthetic substance, an inorganic infrared absorber with stabiliser and also to the production and use of the polymer compositions according to the invention and to the products produced therefrom. In particular, the present invention relates to the stabilisation of inorganic IR absorbers from the group of the tungsten compounds and also to the use of the polymer composition according to the invention containing these stabilised inorganic IR absorbers for the purpose of producing windowpanes for use in buildings, motor vehicles, rail vehicles or aircraft. | 06-16-2011 |
20110144283 | COPOLYCARBONATE COMPOSITIONS HAVING IMPROVED THERMAL PROPERTIES AND BASED ON BLENDS - The invention relates to compositions containing at least one copolycarbonate containing one or more bisphenol building blocks and one or more further specific (co)polycarbonates as well as compositions which optionally contain additives, the use thereof for the production of shaped articles, and shaped articles obtainable therefrom. | 06-16-2011 |
20110144284 | POLYCARBONATE COMPOSITIONS HAVING IMPROVED SURFACE HARDNESS - The present invention relates to polycarbonate compositions having improved surface hardness, processes for the preparation thereof and the use thereof for the production of blends, shaped articles and extrudates. | 06-16-2011 |
20110151262 | POLYCARBONATE HAVING IMPROVED THERMAL AND MECHANICAL PROPERTIES AND REDUCED COEFFICIENTS OF THERMAL EXPANSION - The present invention relates to thermoplastic high-Tg polycarbonates and moulding materials which are distinguished by improved thermal properties and improved mechanical properties, in particular by reduced thermal expansion. The present invention furthermore relates to a process for the preparation of these polycarbonates. In particular, this invention relates to polycarbonates which the structural unit which derives from phthalimide of the formula (I) and polycarbonate compositions and moulding materials therefrom as well as a process for the preparation of these polycarbonates, and the use thereof, in particular as reflectors and display substrates. | 06-23-2011 |
20110152470 | MODIFIED POLYCARBONATES HAVING IMPROVED SURFACE PROPERTIES - The present invention relates to polycarbonates comprising imide-containing aryl mono- or dihydroxy compounds as chain terminators and, respectively, monomer units, and also to compositions comprising the said polycarbonates, to their use for the production of mouldings, and to mouldings obtainable therefrom. | 06-23-2011 |
20110230626 | COPOLYCARBONATES HAVING IMPROVED SURFACE HARDINESS - The present invention relates to copolycarbonates having improved surface hardness, processes for the preparation thereof and the use thereof for the production of blends, shaped articles and extrudates. | 09-22-2011 |
20110251309 | BRANCHED MELT POLYCARBONATE WITH LOW CONTENT OF DEFECTIVE STRUCTURES - The present invention relates to an aromatic branched polycarbonate, produced via melt transesterification of a bisphenol with a diaryl carbonate in the presence of a branching agent, wherein the aromatic branched polycarbonate comprises branching point structures and structures of formula (D) | 10-13-2011 |
20110269896 | MOLDED PARTS HAVING IMPROVED SURFACES - Moldings obtainable from compositions comprising
| 11-03-2011 |
20110278614 | LIGHT EMITTING DEVICE, AND METHOD FOR THE PRODUCTION THEREOF - The present invention relates to a composition of plastic material that includes from 7 to 20 wt. % inorganic conversion pigments. The pigments include Si, Sr, Ba, Ca and Eu in concentrations of greater than 0 ppm and Al, Co, Fe, Mg, Mo, Na, Ni, Pd, P, Rh, Sb, Ti and Zr in concentrations of less than or equal to 50 ppm | 11-17-2011 |
20110293912 | MULTI-LAYER FILM COMPOSITE HAVING A POLYCARBONATE LAYER - The invention relates to a multi-layer film composite having at least one layer made of polycarbonate or copolycarbonate, characterized in that the polycarbonate or copolycarbonate comprises at least one additive of the general formulas (1) to (8), R1 are selected independently of each other from the group made of C10-C25-alkyl, C10-C25-alkoxy, and C10-C25-alkyl-substituted aryl, R2 are selected independently of each other from the group of C10-C25-alkylcarbonyl or hydrogen, and R3 are selected independently of each other from the group of C10-C25-alkyl. | 12-01-2011 |
20120004375 | COPOLYCARBONATES WITH IMPROVED PROPERTIES - The present invention relates to copolycarbonates with improved surface hardness, processes for producing the same, and use of the same for producing blends, moldings, and extrudates, foil (layers), foil laminates, and cards. | 01-05-2012 |
20120022204 | (CO)POLYCARBONATES WITH IMPROVED OPTICAL PROPERTIES - The invention relates to (co)polycarbonate compositions and molding compositions which feature improved optical properties, good flowability, and high heat resistance. | 01-26-2012 |
20120190778 | POLYCARBONATE COMPOSITIONS HAVING IMPROVED OPTICAL PROPERTIES - The present invention relates to polycarbonate compositions and copolycarbonate compositions having improved optical properties, and to their production and their use for the production of shaped parts, and to shaped parts which can thereby be obtained, the compositions containing a polycarbonate or copolycarbonate which comprises bisphenol- A and at least one pair of a phosphorus compound having the oxidation number +3 and a phosphorus compound having the oxidation number +5, and the phosphorus compound having the oxidation state +5 in a pair respectively corresponding to the oxidised form of the phosphorus compound having the oxidation state +3 and the amount of more highly oxidised compound contained being less than that of the compound with the lower oxidation number. | 07-26-2012 |
20120208936 | POLYCARBONATE COMPOSITIONS WITH IMPROVED MELT STABILITY - The invention relates to polycarbonate compositions and copolycarbonate compositions with improved melt stability, the preparation thereof and the use thereof for the production of mouldings and mouldings obtainable therefrom, wherein the compositions contain a polycarbonate or copolycarbonate containing bisphenol A, and at least one phosphorus compound of the formulae (1) and (2), wherein R1 and R2 independently of each other and among one another are chosen from the group which includes branched alkyl radicals, aryl radicals and substituted aryl radicals. | 08-16-2012 |
20120232196 | UV-STABLE POLYCARBONATE COMPOSITION HAVING IMPROVED PROPERTIES - The invention relates to a UV-stabilised melt polycarbonate composition having improved melt flowability while at the same time having good optical properties and at the same time good hydrolytic stability, the composition comprising a melt polycarbonate, at least one UV absorber, at least one phosphine and optionally an aliphatic carboxylic acid ester. | 09-13-2012 |
20130109809 | POLYMERIC ANTI-STATIC AGENT | 05-02-2013 |
20140252282 | POLYMER COMPOSITION WITH HEAT-ABSORBING PROPERTIES - The invention relates to polymer compositions for the production of mouldings, in particular spectacles and eye-protection equipment, which comply with the provisions of EN 169 (welder protection standard) and EN 1836/2005 (signal light detection). The compositions and mouldings are in particular processable at temperatures above 265° C., recyclable and have a notched impact strength of at least 65 kJ/cm | 09-11-2014 |
20140357767 | POLYCARBONATE COMPOSITIONS WITH IMPROVED MELT STABILITY - The invention relates to polycarbonate compositions and copolycarbonate compositions with improved melt stability, the preparation thereof and the use thereof for the production of mouldings and mouldings obtainable therefrom, wherein the compositions contain a polycarbonate or copolycarbonate containing bisphenol A, and at least one phosphorus compound of the formulae (1) and (2), wherein R1 and R2 independently of each other and among one another are chosen from the group which includes branched alkyl radicals, aryl radicals and substituted aryl radicals. | 12-04-2014 |