Patent application number | Description | Published |
20080209076 | METHOD AND SYSTEM FOR FAST ETHERNET CONTROLLER OPERATION USING A VIRTUAL CPU - Methods and systems for fast Ethernet controller operation using a virtual CPU are disclosed and may comprise controlling an on-chip Ethernet controller utilizing a virtual CPU comprising a microcode engine that loads a single instruction and executes the instruction prior to loading or executing a subsequent instruction. The instructions may be fetched by the virtual CPU from an external non-volatile memory or on-chip ROM. The virtual CPU may initialize the Ethernet controller and provide patches for supporting hardware workarounds, wake on LAN service, and vital production data such as serial number, product name, manufacturer and related manufacturing data. The virtual CPU may power down the Ethernet controller and may be halted via a particular command and procedure. | 08-28-2008 |
20090093381 | Solid phase electrochemical synthesis with controlled product cleavage - Methods for electrochemically synthesizing polymers are provided in which a cleavable linker is coupled to the surface of at least one electrode of an array of electrodes on a substrate and a polymer coupled to the cleavable linker is synthesized through a series of monomer addition cycles. Polymers that are synthesized include nucleic acids and peptides. Cleavable linkers include linkers that can be cleaved under conditions such as reducing, oxidizing, acidic, and or basic conditions. Additionally, provided are devices that comprise an array of individually addressable electrodes having surface-attached cleavable linker molecules. | 04-09-2009 |
20090325819 | Density modification in arrays of surface-attached nucleic acid molecules - Substrates having nucleic acid polymers attached at varying surface densities and methods for creating substrates having nucleic acid polymers attached at varying surface densities are provided. Methods according to embodiments of the invention are adapted to the rapid synthesis of arrays of DNA polymers on a substrate surface. In embodiments of the invention an array of DNA molecules on a substrate comprises a plurality of DNA polymers attached to a trifunctional linker such that at least two DNA polymers are attached to one trifunctional linker that is attached to the surface of the substrate. By coupling trifunctional linkers to trifunctional linkers that are attached to a substrate surface, the density of DNA polymers on a substrate surface is increased. | 12-31-2009 |
20110038286 | USING FREQUENCY DIVISIONAL MULTIPLEXING FOR A HIGH SPEED SERIALIZER/DESERIALIZER WITH BACK CHANNEL COMMUNICATION - A system comprising a first serializer/deserializer coupled to a first electronic device and a second serializer/deserializer couple to a second electronic device is provided. The first serializer/deserializer comprises a forward channel driver and the second serializer/deserializer comprises a reverse channel driver. A communication medium is coupled between the first and second serializer/deserializers, and the first and second serializer/deserializers are AC coupled to the communication medium to provide a high frequency forward channel and are DC coupled to the communication medium to provide a low frequency reverse channel. | 02-17-2011 |
20110136694 | DENSITY MODIFICATION IN ARRAYS OF SURFACE-ATTACHED NUCLEIC ACID MOLECULES - Substrates having nucleic acid polymers attached at varying surface densities and methods for creating substrates having nucleic acid polymers attached at varying surface densities are provided. Methods according to embodiments of the invention are adapted to the rapid synthesis of arrays of DNA polymers on a substrate surface. In embodiments of the invention an array of DNA molecules on a substrate comprises a plurality of DNA polymers attached to a trifunctional linker such that at least two DNA polymers are attached to one trifunctional linker that is attached to the surface of the substrate. By coupling trifunctional linkers to trifunctional linkers that are attached to a substrate surface, the density of DNA polymers on a substrate surface is increased. | 06-09-2011 |
20110224092 | METHOD AND APPARATUS FOR COMBINED ELECTROCHEMICAL SYNTHESIS AND DETECTION OF ANALYTES - Described are devices and methods for detecting binding on an electrode surface. In addition, devices and methods for electrochemically synthesizing polymers and devices and methods for synthesizing and detecting binding to the polymer on a common integrated device surface are described. | 09-15-2011 |
20130038350 | SINGLE-TO-DIFFERENTIAL CONVERSION CIRCUIT AND METHOD - A conversion circuit includes a first inverter having an input node configured to receive a single-ended signal and second and third inverters each having respective inputs coupled to an output of the first inverter. A fourth inverter has an input coupled to an output of the second inverter and has an output coupled to a first node. A fifth inverter has an input coupled to the first node and an output coupled to a second node to which an output of the third inverter is coupled. Sixth and seventh inverters are configured to respectively output a differential signal based on the single-ended signal. The sixth inverter has an input coupled to the first node, and the seventh inverter has an input coupled to the second node. | 02-14-2013 |
20130038370 | MULTI-PHASE CLOCK GENERATOR - A clock generator includes a first latch configured to output a first intermediate clock phase signal based on a first clock signal and a second intermediate clock phase signal. A first phase interpolation circuit has a first input coupled to a first input of the first latch and a second input coupled to a first output of the first latch. The first phase interpolation circuit is configured to output a first clock phase signal based on the first and second intermediate clock phase signals. | 02-14-2013 |
20130076403 | VOLTAGE-TO-CURRENT CONVERTER - A conversion circuit includes a super source follower circuit configured to lower an impedance of a first node. A digital control circuit is configured to adjust a current at the first node based on a current through the super source follower. An output transistor has a gate configured to receive a first signal. A drain of the output transistor is coupled to a first node, and a source of the output transistor is configured to output an output current based on a voltage of the first signal. | 03-28-2013 |
20130186767 | METHOD AND APPARATUS FOR COMBINED ELECTROCHEMICAL SYNTHESIS AND DETECTION OF ANALYTES - Described are devices and methods for detecting binding on an electrode surface. In addition, devices and methods for electrochemically synthesizing polymers and devices and methods for synthesizing and detecting binding to the polymer on a common integrated device surface are described. | 07-25-2013 |
20130198543 | Apparatus and Method for TPM and LAN Power Management - In Gigibit Ethernet Systems, the Trusted Platform Module (TPM) is designed to provide trust and security to a platform through integrity measurement, protected storage, and other cryptographic functions. The present invention relates to a TPM-LAN chip with separate TPM and LAN power management. The TPM-LAN chip is designed such a way that power is reduced significantly in different power management modes compared to the legacy devices. This is accomplished by turning off certain clocks during certain operating modes. | 08-01-2013 |
20140096817 | NOVEL HOLE COLLECTORS FOR SILICON PHOTOVOLTAIC CELLS - One embodiment of the present invention provides a solar cell. The solar cell includes a base layer comprising crystalline Si (c-Si), a hole collector situated on a first side of the base layer, and an electron collector situated on a second side of the base layer, which is opposite the first side. The hole collector includes a quantum-tunneling-barrier (QTB) layer situated adjacent to the base layer and a transparent conducting oxide (TCO) layer situated adjacent to the QTB layer. The TCO layer has a work function of at least 5.0 eV. | 04-10-2014 |
20140102524 | NOVEL ELECTRON COLLECTORS FOR SILICON PHOTOVOLTAIC CELLS - One embodiment of the present invention provides a solar cell. The solar cell includes a base layer comprising crystalline Si (c-Si), an electron collector situated on a first side of the base layer, and a hole collector situated on a second side of the base layer, which is opposite the first side. The electron collector includes a quantum-tunneling-barrier (QTB) layer situated adjacent to the base layer and a transparent conducting oxide (TCO) layer situated adjacent to the QTB layer. The TCO layer has a work function of less than 4.2 eV. | 04-17-2014 |
20140183037 | RADIO-FREQUENCY SPUTTERING SYSTEM WITH ROTARY TARGET FOR FABRICATING SOLAR CELLS - One embodiment of the present invention provides a sputtering system for large-scale fabrication of solar cells. The sputtering system includes a reaction chamber, a rotary target situated inside the reaction chamber which is capable of rotating about a longitudinal axis, and an RF power source coupled to at least one end of the rotary target to enable RF sputtering. The length of the rotary target is between 0.5 and 5 meters. | 07-03-2014 |