Patent application number | Description | Published |
20140340059 | TIMING GENERATOR AND TIMING SIGNAL GENERATION METHOD FOR POWER CONVERTER - A timing generator and a timing signal generation method for a power converter are provided. The timing generator includes an adjusting circuit and a timing generation unit. The adjusting circuit receives an error signal related to an output voltage of the power converter. The adjusting circuit generates an adjusting signal according to the error signal and a delay circuit. The timing generation unit generates a timing signal according to the error signal, the adjusting signal and a control signal. A width of the timing signal is changed with the error signal and the adjusting signal. Accordingly, the timing generator adjusts On-time/Off-time in response to a transient response. | 11-20-2014 |
20140340066 | TIMING GENERATOR AND TIMING SIGNAL GENERATION METHOD FOR POWER CONVERTER - A timing generator for a power converter is provided. The timing generator includes a threshold voltage generation circuit and a timing generation unit. The threshold voltage generation circuit receives an error signal related to an output voltage of the power converter. The threshold voltage generation circuit generates a threshold voltage according to the error signal. The timing generation unit generates a timing signal according to the error signal, the threshold voltage and a control signal. The timing generation unit provides a tracking signal. A width of the timing signal depends on a time when tracking signal departed from a level of the error signal to a level of the threshold voltage. The present invention also provides a timing signal generation method for the power converter. | 11-20-2014 |
20150022171 | PHASE ADJUSTMENT CIRCUIT OF POWER CONVERTER, POWER CONVERTER, AND CONTROL METHOD THEREOF - A phase adjustment circuit of a power converter, the power converter, and a control method of the power converter are provided. The control method includes following steps. A delay signal is generated according to an error signal, and the error signal is associated with an output voltage of the power converter. A difference between the error signal and the delay signal is amplified. A control signal is provided according to the amplified difference and the error signal, and a phase of the control signal leads a phase of the error signal. The control signal serves to improve a response speed of the power converter. | 01-22-2015 |
20150077080 | TIME SIGNAL GENERATOR AND TIME SIGNAL GENERATING METHOD - A time signal generator and a time generating method used in a power converter are provided. The time generating method includes following steps. An error delay signal is generated according to an error signal, wherein the error signal is related to an output voltage of the power converter. A time signal is generated according to the error signal and the error delay signal. The time signal may serve to improve a response speed of the power converter. | 03-19-2015 |
20150077083 | RAMP SIGNAL GENERATING METHOD AND GENERATOR THEREOF, AND PULSE WIDTH MODULATION SIGNAL GENERATOR - A ramp signal generating method and a generator thereof, and a pulse width modulation signal generator are provided. The ramp signal generating method includes following steps: receiving an error signal, wherein the error signal relates to an output voltage of a power converter; generating an error delayed signal according to the error signal; and providing a ramp signal according to the error signal and the error delayed signal. The ramp signal is phase leading and inverting compared to the error signal. The ramp signal serves to improve a response speed of the power converter. | 03-19-2015 |
Patent application number | Description | Published |
20120209029 | METHOD FOR PREPARING LARGE-SIZED TITANIUM-SILICALITE MOLECULAR SIEVE AND METHOD FOR PREPARING CYCLOHEXANONE OXIME USING THE MOLECULAR SIEVE - The present invention provides a method for preparing a large-sized titanium-silicalite molecular sieve, and a method for preparing cyclohexanone oxime using the large-sized titanium-silicalite molecular sieve. The method for preparing a large-sized titanium-silicalite molecular sieve includes preparing a mixture of a titanium source, a silicon source and a template agent; heating the mixture to form a gel mixture; mixing a colloidal silica with the gel mixture; heating the gel mixture mixed with the colloidal silica in a water bathe; and calcining the gel mixture mixed with the colloidal silica. In the present invention, the average particle size of the large-sized titanium-silicalite molecular sieve is more than 10 um, and the particle size distribution is centralized, so as to avoid the formation of titanium-oxygen-titanium bonding. The method for preparing cyclohexanone oxime using the large-sized titanium-silicalite molecular sieve results in high conversion rate, high selectivity and easy recovery. | 08-16-2012 |
20120277468 | TITANIUM-SILICALITE MOLECULAR SIEVE, METHOD FOR PREPARING THE SAME AND METHOD FOR PREPARING CYCLOHEXANONE OXIME USING THE MOLECULAR SIEVE - The present invention provides a titanium-silicalite molecular sieve and a method for preparing the same. The method includes the steps of preparing a mixture of a titanium source, a silicon source, a transition metal source, a template agent and water; heating the mixture to form a gel mixture; heating the gel mixture in a water bath; and calcining the gel mixture after the gel mixture in the water bath to form the titanium-silicalite molecular sieve. The present invention further provides a method for preparing cyclohexanone oxime by using the titanium-silicalite molecular sieve as the catalyst which results in high conversion rate, high selectivity and high usage efficiency of hydrogen peroxide. | 11-01-2012 |
20130041181 | TITANIUM-SILICALITE MOLECULAR SIEVE, METHOD FOR PREPARING THE SAME AND METHOD FOR PREPARING CYCLOHEXANONE OXIME USING THE MOLECULAR SIEVE - The present invention provides a titanium-silicalite molecular sieve and a method for preparing the same. The method includes the steps of preparing a mixture of a titanium source, a silicon source, a metal source selected from IIA to IVA elements and a template agent; heating the mixture to form a gel mixture; heating the gel mixture in a water bath; and calcining the gel mixture after the gel mixture in the water bath to form the titanium-silicalite molecular sieve. The present invention further provides a method for preparing cyclohexanone oxime by using the titanium-silicalite molecular sieve as the catalyst which results in high conversion rate, high selectivity and high usage efficiency of hydrogen peroxide. | 02-14-2013 |
Patent application number | Description | Published |
20130149901 | REINFORCED CONNECTOR WITH A CROSSTALK PREVENTION FEATURE - A connector includes terminal elements each having a base, multiple terminals securely received in the base with first ends and second ends, positioning blocks formed on one side face of the base and cutouts defined in a top portion of the base, a casing having receiving spaces defined in the casing for receiving the second ends of the terminals, positioning holes each defined to communicate with a corresponding one of the receiving spaces to position therein the second end of the terminals and ribs formed inside the casing to isolate each of the terminals from influence from the other terminals and an insert having receiving holes defined to receive therein the terminal elements and transverse columns corresponding to the cutouts of the terminal elements such that with the transverse columns received in the corresponding cutouts, connection between the insert and the terminal elements is secured. | 06-13-2013 |
20130149909 | CONNECTOR MODULE WITH A CONNECTING DEVICE - A connector includes a receptacle and terminal modules each inserted into the receptacle and having a base and a plurality of terminals securely extended through the base. A block is formed on a side of the base and a cutout is defined on the side of the base to structurally correspond to the block so that two adjacent bases are connected together. | 06-13-2013 |
20130260594 | BOARD-TO-BOARD CONNECTOR ASSEMBLY - A board-to-board connector assembly has a female connector and a male connector. The female connector has a first insulative housing, multiple first terminals and a latching bar. The first insulative housing has a locking recess and a releasing recess. The latching bar is mounted pivotally on the first insulative housing and selectively engages the locking recess or releasing recess. The male connector has a second insulative housing, multiple second terminals and two latched elements. The latched elements are mounted in the second insulative housing and each latched element has a latched hole selectively engaging with the latching bar to prevent the male connector from falling out of the female connector. | 10-03-2013 |
20140242850 | SURFACE MOUNT CONNECTOR - An electrical connector includes a housing and a terminal module assembly. The terminal module assembly includes pairs of first terminal assemblies and second terminal assemblies. Each first terminal assembly comprises a first terminal block with at least one first protrusion and at least one first recess, and a plurality of first terminals securely extending through the first terminal block. Each second terminal assembly comprises a second terminal block with at least one second protrusion and at least one second recess and a plurality of second terminals securely extending through the second terminal block. The first protrusion is engaged with the second recess, the second protrusion is engaged with the first recess, and bottom surfaces of the first and second protrusions are secured in notches on the top surface of a interior wall when the terminal module assembly is received in the housing. | 08-28-2014 |
20140295705 | CROSSTALK-PROOF RECEPTACLE CONNECTOR - A crosstalk-proof receptacle connector has multiple insulative boards, multiple sets of terminals, multiple sets of shielding plates and an outer casing. The insulative boards are arranged abreast. The sets of the terminals are mounted respectively in the insulative boards. The terminals of each set are classified into signal terminals and grounding terminals. Each set of the shielding plates is mounted on one of two opposite sides of a corresponding insulative board. The shielding plates of each set are spaced apart without contacting one another. Each shielding plate has multiple folding sections capable of interrupting signal noise. The outer casing covers the insulative boards to combine the insulative boards. The sets of the shielding plates decrease signal interference of the receptacle connector and improve signal transmission efficiency and stability. | 10-02-2014 |
20140322941 | QUICK LOCK CONNECTOR ASSEMBLY - A quick lock connector assembly has a female connector and a male connector. The female connector has a first insulative housing, multiple first terminals, an outer casing and a locking lever. The locking lever is mounted pivotally on the outer casing and has two locking pins. The male connector is engaged detachably with the female connector and has a second insulative housing and multiple second terminals. The second insulative housing has two locking recesses selectively engaged respectively with the locking pins. The locking lever is able to quickly lock the male connector on the female connector. | 10-30-2014 |
20140342607 | CROSSTALK-PROOF RECEPTACLE CONNECTOR - A crosstalk-proof receptacle connector includes: multiple insulative boards arranged abreast; multiple sets of terminals mounted respectively in and corresponding to the insulative boards, and each set including signal terminals and grounding terminals; multiple shielding plates corresponding to the insulative boards and corresponding to the sets of the terminals, each shielding plate mounted on one of two opposite sides of a corresponding insulative board and having multiple current-path-interrupting holes defined through the shielding plate and kept hollow without being inserted by objects, and each shielding plate connected to the grounding terminals of a corresponding set of the terminals; and an outer casing covering the insulative boards to combine the insulative boards. The crosstalk-proof receptacle connector suppresses crosstalk and improves efficiency and stability of signal transmission. | 11-20-2014 |
Patent application number | Description | Published |
20110049412 | Fluorescent Carbon Nanoparticles - Disclosed are photoluminescent particles. The particles include a core nano-sized particle of carbon and a passivation agent bound to the surface of the nanoparticle. The passivation agent can be, for instance, a polymeric material. The passivation agent can also be derivatized for particular applications. For example, the photoluminescent carbon nanoparticles can be derivatized to recognize and bind to a target material, for instance a biologically active material, a pollutant, or a surface receptor on a tissue or cell surface, such as in a tagging or staining protocol. | 03-03-2011 |
20110189702 | PHOTOLUMINESCENT MATERIALS FOR MULTIPHOTON IMAGING - Disclosed are nano-sized materials that can exhibit luminescence in a multi-photon imaging technique. The materials include a nano-sized particle or a carbon nanotube and a passivation agent bound to the surface of the nanoparticle or nanotube. The passivation agent can be, for instance, a polymeric material. The passivation agent can also be derivatized for particular applications. For example, the luminescent materials can be derivatized to recognize and bind to a target material, for instance a biologically active material, a pollutant, or a surface receptor on a tissue or cell surface, such as in a tagging or staining protocol. The materials exhibit strong luminescence with multi-photon excitation in the near infrared. | 08-04-2011 |
20140299811 | Highly Thermal Conductive Nanocomposites - Disclosed are methods for forming carbon-based fillers as may be utilized in forming highly thermal conductive nanocomposite materials. Formation methods include treatment of an expanded graphite with an alcohol/water mixture followed by further exfoliation of the graphite to form extremely thin carbon nanosheets that are on the order of between about 2 and about 10 nanometers in thickness. Disclosed carbon nanosheets can be functionalized and/or can be incorporated in nanocomposites with extremely high thermal conductivities. Disclosed methods and materials can prove highly valuable in many technological applications including, for instance, in formation of heat management materials for protective clothing and as may be useful in space exploration or in others that require efficient yet light-weight and flexible thermal management solutions. | 10-09-2014 |