| BYD Company Limited Patent applications |
| Patent application number | Title | Published |
|---|
| 20120100345 | GLASS ARTICLE AND METHOD OF FORMING THE SAME - A glass article is provided. The glass article may comprise: a glass body with convex-concave and/or via hole structures formed on at least a part of periphery of the glass body; a plastic layer adhered to the periphery of the glass body with adhesive coated therebetween. The plastic layer may be adhered to the glass body via the convex-concave and/or via hole structures. A method of forming the glass article as described above is also provided. | 04-26-2012 |
| 20120075234 | METHOD AND SYSTEM FOR DETECTING ONE OR MORE OBJECTS - A method for detecting one or more objects is disclosed. In one embodiment, the method comprises the steps of: receiving one or more induction signals caused by at least one object along one or more directions; comparing each received induction signal with a reference to detect at least one upward trend and/or at least one downward trend in the induction signal; and determining the number of objects based on the number of upward trend and/or downward trend in each received induction signal. A device for detecting one or more objects on a touch device is also disclosed. | 03-29-2012 |
| 20120067466 | AMORPHOUS ALLOY COMPOSITE MATERIAL AND MANUFACTURING METHOD OF THE SAME - The present disclosure discloses an amorphous alloy composite material comprises an amorphous and continuous matrix phase, and a plurality of equiaxed crystalline phases as reinforcing phases dispersed in the matrix phase. Oxygen content in the amorphous alloy composite material may be less than 2100 ppm. The present disclosure also discloses a method of preparing the same. With the equiaxed crystalline phases dispersed in the matrix phase, the plasticity of the amorphous alloy composite material may be improved considerably. | 03-22-2012 |
| 20120058003 | Nd-Fe-B PERMANENT MAGNETIC MATERIAL AND PREPARATION METHOD THEREOF - The present disclosure discloses a permanent magnetic material comprising an Nd—Fe—B alloy and an additive including at least a cobalt ferrite, and a method for preparing a permanent magnetic material. The method comprises steps of mixing an Nd—Fe—B alloy and an additive including at least a cobalt ferrite to obtain a mixture; magnetically orienting and pressing the mixture in a magnetic filed; and sintering and tempering the mixture under the protection of vacuum or an inert gas. | 03-08-2012 |
| 20120032642 | BATTERY HEATING CIRCUITS AND METHODS WITH RESONANCE COMPONENTS IN SERIES USING VOLTAGE INVERSION BASED ON PREDETERMINED CONDITIONS - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit ( | 02-09-2012 |
| 20120032120 | CONDUCTIVE SLURRY FOR SOLAR BATTERY AND PREPARATION METHOD THEREOF - The present invention discloses a conductive shiny for a solar battery comprising a first-order aluminum powder having a median diameter D | 02-09-2012 |
| 20120031890 | BATTERY HEATING CIRCUITS AND METHODS WITH RESONANCE COMPONENTS IN SERIES USING VOLTAGE INVERSION AND FREEWHEELING CIRCUIT COMPONENTS - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit ( | 02-09-2012 |
| 20120025783 | BATTERY HEATING CIRCUITS AND METHODS BASED ON BATTERY DISCHARGING AND CHARGING USING RESONANCE COMPONENTS IN SERIES AND CURRENT LIMITING COMPONENTS - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit | 02-02-2012 |
| 20120025782 | BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES AND BRIDGE CHARGE STORAGE COMPONENTS - According to certain embodiments, a battery heating circuit is provided, comprising a first switch unit ( | 02-02-2012 |
| 20120025781 | BATTERY HEATING CIRCUITS AND METHODS BASED ON BATTERY DISCHARGING AND CHARGING USING RESONANCE COMPONENTS IN SERIES AND MULTIPLE CHARGE STORAGE COMPONENTS - Certain embodiments of the present invention provide a battery heating circuit, comprising a plurality of switch units ( | 02-02-2012 |
| 20120025780 | HEATING CIRCUITS AND METHODS BASED ON BATTERY DISCHARGING AND CHARGING USING RESONANCE COMPONENTS IN SERIES AND FREEWHEELING CIRCUIT COMPONENTS - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit ( | 02-02-2012 |
| 20120025779 | BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES BASED ON CURRENT LIMITING AND VOLTAGE INVERSION WITH BI-DIRECTIONALITY AND COMMON INDUCTANCE - Certain embodiments of the present invention provide a battery heating circuit, wherein: a battery E, a damping component R | 02-02-2012 |
| 20120025778 | BATTERY HEATING CIRCUITS AND METHODS WITH RESONANCE COMPONENTS IN SERIES USING ENERGY TRANSFER AND VOLTAGE INVERSION - According to certain embodiments, a battery heating circuit, comprising a switch unit | 02-02-2012 |
| 20120025777 | BATTERY HEATING CIRCUITS AND METHODS WITH RESONANCE COMPONENTS IN SERIES USING ENERGY TRANSFER - According to some embodiments, a battery heating circuit, comprising a switch unit | 02-02-2012 |
| 20120025776 | BATTERY HEATING CIRCUITS AND METHODS WITH RESONANCE COMPONENTS IN SERIES USING VOLTAGE INVERSION - According to some embodiments of the present invention, a battery heating circuit comprises a switch unit | 02-02-2012 |
| 20120025775 | BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES BASED ON CURRENT LIMITING AND VOLTAGE INVERSION WITH BI-DIRECTIONALITY - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit | 02-02-2012 |
| 20120025774 | BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit | 02-02-2012 |
| 20120025772 | BATTERY HEATING CIRCUITS AND METHODS BASED ON BATTERY DISCHARGING AND CHARGING USING RESONANCE COMPONENTS IN SERIES - According to certain embodiments, a battery heating circuit comprises a switch unit | 02-02-2012 |
| 20120025756 | CIRCUITS AND METHODS FOR HEATING BATTERIES IN SERIES USING RESONANCE COMPONENTS IN SERIES - Certain embodiments of the present invention provide a battery heating circuit, wherein: the battery comprises a first battery (E | 02-02-2012 |
| 20120025755 | CIRCUITS AND METHODS FOR HEATING BATTERIES IN PARALLEL USING RESONANCE COMPONENTS IN SERIES - Certain embodiments of the present invention provide a battery heating circuit, wherein: the battery comprises a first battery and a second battery; the heating circuit comprises a first switch unit, a second switch unit, a damping component R | 02-02-2012 |
| 20120025754 | BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES BASED ON CHARGE BALANCING - Certain embodiments of the present invention disclose a battery heating circuit, wherein: the battery comprises a battery E | 02-02-2012 |
| 20120024838 | BATTERY HEATING CIRCUITS AND METHODS BASED ON BATTERY DISCHARGING USING RESONANCE COMPONENTS IN SERIES - According to certain embodiments, a battery heating circuit is provided, comprising a switch unit | 02-02-2012 |
| 20120015172 | COMPOSITE MATERIAL AND PREPARING METHOD OF THE SAME - The present invention discloses a composite material comprising: a substrate with an anodic oxide film layer having micropores; and at least one kind of dye filled in the micropores, wherein amount of the same kind of dye is gradient distribution on at least part of the substrate. The composite material has an even, metal gloss, uneasily scratched and wore out surface with gradually changed color. Moreover, the present invention also provided a method of preparing the same. | 01-19-2012 |
| 20120007014 | COMPOSITE MAGNETIC MATERIAL AND METHOD OF PREPARING THE SAME - The present invention discloses a composite magnetic material. The composite magnetic material may comprise an Nd—Fe—B alloy and a Fe-based soft magnetic alloy having the general formula of Fe | 01-12-2012 |
| 20120004874 | MAXIMUM POWER POINT TRACKING DEVICE FOR A SOLAR ELECTRIC GENERATION SYSTEM AND A TRACKING METHOD FOR THE SAME - A maximum-power-point tracking device is provided for a solar electric-generation system that includes a solar battery and a DC/DC converter connected to the solar battery. The device includes a sampling module configured to detect output current and voltage values of the solar battery. A controlling module is configured to calculate a target current value according to the output current and voltage values and a preset current value, and output a controlling signal for controlling the value of a current according to the output current of the solar battery and the target current value. The device also includes a driving module configured to receive the controlling signal from the controlling module and output a driving signal to adjust a output current value of the DC/DC converter to close to the target current value and adjust an output power of the DC/DC converter. | 01-05-2012 |
| 20120000689 | JUNCTION BOX FOR SOLAR BATTERY - A junction box for a solar battery comprises a box body in which a plurality of connector bases are fixed, and a plurality of connection assemblies detachably connected with respective ones of the plurality of connector bases. Each connection assembly comprises a bracket and elastic member. The bracket is detachably connected with a respective connector base and configured to form an accommodating space with the respective connector base, and the elastic member is received within the accommodating space. The bracket comprises a first end connectable with an external cable, and a second end connectable with a connection cable of the solar battery. The brackets of immediately adjacent connection assemblies are formed with respective via-holes for insertion of pins of a diode to couple the diode between the respective immediately adjacent connection assemblies, with the pins being capable of being clamped between the respective immediately adjacent connection assemblies. | 01-05-2012 |
| 20110317458 | SWITCHED-MODE POWER SUPPLY CONTROLLING CIRCUIT AND SWITCHED-MODE POWER SUPPLY USING THE SAME - A controlling circuit is provided for controlling an output voltage of a main circuit of a switched-mode power supply. The controlling circuit includes components that generate a switching status selecting signal reflecting a voltage change of the main circuit, and output a reference voltage according to a voltage output status selected according to the switching status selecting signal. Other components output a pulse width modulation controlling signal according to the reference voltage and a current signal reflecting a current change of the main circuit, and output a pulse frequency modulation controlling signal with a frequency according to a frequency output status selected according to the switching status selecting signal. Yet other components output a switching controlling signal according to the controlling signals, and control a switch of the main circuit to switch-on or switch off according to the switching controlling signal to stabilize the output voltage of the main circuit. | 12-29-2011 |
| 20110308671 | Zr-BASED AMORPHOUS ALLOY AND METHOD OF PREPARING THE SAME - A Zr-based amorphous alloy and a method of preparing the same are provided. The Zr-based amorphous alloy is represented by the general formula of (Zr | 12-22-2011 |
| 20110281135 | SURFACE METALLIZING METHOD, METHOD FOR PREPARING PLASTIC ARTICLE AND PLASTIC ARTICLE MADE THEREFROM - The present invention discloses a method for metallizing a plastic surface. The method may comprise the steps of: 1) gasifying the plastic surface to expose the electroless plating promoter; and 2) electroless plating a layer of copper or nickel on the plastic surface, followed by electroplating or a second electroless plating to form a metallized layer on the plastic surface. Further, the present invention discloses a method for preparing a plastic article and a plastic article as manufactured by the method as described. | 11-17-2011 |
| 20110234006 | PARALLEL DEVICE INCLUDING A BATTERY MODULE AND CONTROL METHOD THEREOF - A parallel device comprises a battery module, a plurality of switching units and a control module being couplable to the battery module. The battery module includes a plurality of battery groups. The plurality of switching units includes a plurality of first switches. Each of the switching units is couplable to a respective battery group in series. Each series combination of the switching unit and the respective battery group is coupled in parallel with another series combination, and each of the switching unit includes a respective first switch coupled with a load in series. The control module is configured to receive values of measured voltages across at least two battery groups, calculate a voltage difference between the two received voltage values, compare an absolute value of the voltage difference to a reference voltage to obtain a voltage comparison result, and turn ON or OFF at least one of the first switches in accordance with the comparison result | 09-29-2011 |
| 20110211286 | REVERSE-CONNECTION PROTECTING DEVICE AND BACKUP POWER SUPPLY INCLUDING THE SAME - A reverse-connection protecting device comprises an interface, a battery control module and an activation module. The interface includes first and second lead-in ends coupled to respective ones of first and second lead-out ends. The second lead-in end is couplable to a negative terminal of a backup battery. The second lead-out end is couplable to each negative terminal of a load and an external power supply. The battery control module is coupled to the first lead-in end of the interface and couplable to a positive terminal of the backup battery. The battery control module is configured to control the charging or discharging of the backup battery. The activation module is coupled to the battery control module, and couplable to the load and the external power supply. The activation module is configured to drive the battery control module after the external power supply is powered on, but disable the battery control module in an instance in which the load, the backup battery or the external power supply is reversely connected. | 09-01-2011 |
| 20110185310 | METHOD AND SYSTEM FOR DETECTING A FINGER CONTACT ON A TOUCHPAD - A method for executing a scroll control operation on a touchpad comprises receiving a first contact signal induced by a first contact with a first section of the touchpad, receiving a second contact signal induced by a second contact with a second section of the touchpad, the first section and second section being predefined in a scrolling region on the touchpad, recording a first direction from the first contact to the second contact, and a first distance between the first section and the second section and outputting a scroll control signal to execute a scroll operation, the scroll control signal including information of the first direction and first distance. | 07-28-2011 |
| 20110141632 | REVERSAL CONNECTION PROTECTING CIRCUIT - The present invention discloses a reversal connection protecting circuit. The reversal connection protecting circuit includes a power supply interface, a secondary battery, a reversal connection driving unit and a power switching unit. The reversal connection protecting circuit further includes an anti-reversal unit. And the reversal connection protecting circuit further includes a processing unit and a warning interface. According to the present invention, the inconvenience brought by substituting a fuse that is melted in a protecting circuit under the condition that the power supply of the protecting circuit is reversely connected in prior art is overcome. | 06-16-2011 |
| 20110128251 | METHOD AND SYSTEM FOR DETECTING A CONTACT ON A TOUCH SCREEN - A method of detecting a contact on a touch-screen panel including a plurality of touch-sensitive units arranged on a touch-sensitive surface. The method comprises receiving at least two induction signals induced by a contact of an object with the touch-sensitive surface at a point in between at least two adjacent touch-sensitive units. The at least two adjacent touch-sensitive units include a first touch-sensitive unit and a second touch-sensitive unit. The at least two induction signals include a first induction signal induced by contact with the first touch-sensitive unit and a second induction signal induced by contact with the second touch-sensitive unit. The method further comprises combining the first and second induction signals to produce at least part of a touch signal, and processing the touch signal to generate a control signal and outputting the control signal to a terminal application device to enable user to view data from coordinates of the contact point. | 06-02-2011 |
| 20110120788 | HYBRID POWER OUTPUT SYSTEM - A hybrid power output system fore outputting the power to the wheel driving shaft ( | 05-26-2011 |
| 20110101986 | DEVICE AND METHOD OF TESTING AN INTERNAL RESISTANCE OF A BATTERY PACK - An internal resistance testing device includes an excitation source and a battery pack, an adjustable resistance R, a sampling unit, and a control unit. The excitation source and the battery pack form a loop circuit. The adjustable resistance R may be located at the loop circuit formed by the excitation source and the battery pack. The sampling unit samples the voltage between two sides of the battery pack, the voltage between two sides of the adjustable resistance R, and the value of the adjustable resistance R. The control unit calculates internal resistance of the battery pack according to the signal value collected by the sampling unit. The internal resistances of different voltage-ranges the battery pack are determined by adjusting the value of the adjustable resistance R to cause the actual excitation voltage to be equal to the range voltage of the sampling unit. The voltage between two sides of the adjustable resistance R is made equal to the range voltage of the sampling unit by adjusting the value of the adjustable resistance R, which effectively improves measurement accuracy of the internal resistance. | 05-05-2011 |
| 20110069028 | METHOD AND SYSTEM FOR DETECTING GESTURES ON A TOUCHPAD - A method for detecting gestures on a touchpad is presented. The method comprises receiving a first contact signal induced by a first contact with the touchpad, detecting a drop in the first contact signal induced by a first lift off the touchpad, recording a first time interval between receipt and drop in the first contact signal, comparing the first time interval to a first reference and a second reference, wherein the first reference is less than the second reference, and the first reference and second reference are predefined, and outputting one of a single-click signal, double-click signal or drag signal. | 03-24-2011 |
| 20110069006 | METHOD AND SYSTEM FOR DETECTING A FINGER CONTACT ON A TOUCHPAD - A method for executing a scroll control operation on a touchpad includes detecting a first simultaneous execution of a first operation executed by a first pointing object, and a second operation executed twice in succession by a second pointing object, wherein the first operation includes detecting a presence of the first pointing object on the touchpad, and the second operation includes contacting with the touchpad by the second pointing object, followed by lifting the second pointing object off the touchpad subsequently. The method further includes triggering a scroll control function in response to the detection of the first simultaneous execution of the first operation and the two successive second operations. | 03-24-2011 |
| 20110026733 | DEVICE FOR CANCELLING BACKGROUND NOISE AND METHOD THEREOF - A method for cancelling background noise of an audio device comprises determining characteristic values of an audio signal to construct a characteristic signal reflecting a change trend of the audio signal, multiplying the determined characteristic signal with the audio signal to construct a multiplication signal, and amplifying the multiplication signal. | 02-03-2011 |
| 20100320016 | Hybrid Power Driving System and Driving Method Thereof - The present invention discloses a hybrid power driving system, comprising: an engine, a clutch, a first shaft, a second shaft disposed parallel to the first shaft, a motor, an energy storage device, and an output gear. The engine may be connected with the first shaft via the clutch. The motor is connected with the second shaft directly or indirectly, and is electrically connected with the energy storage device. The first shaft has a first gear, a second gear and a first synchronizer, in which the first gear and the second gear are mounted on the first shaft via bearings respectively, and the first synchronizer is selectively engaged with the first gear or the second gear. The second shaft may have a third gear, a fourth gear and a second synchronizer, in which the third gear may be mounted on the second shaft via a bearing. The fourth gear may be fixed to the second shaft. And the second synchronizer may be selectively engaged with the third gear or the fourth gear. The first gear may be engaged with the third gear, the second gear may be engaged with the fourth gear. And the third gear may be engaged with an output gear. The present invention also discloses a driving method of a hybrid power driving system. Through the first synchronizer and the second synchronizer selectively engaging with corresponding gears, a plurality of operating modes can be realized. And the structure is simple and compact. | 12-23-2010 |
| 20100302785 | LED LENS AND ASSEMBLY - A lens comprises an incident curved surface and an exit curved surface opposite to the incident curved surface. The incident curved surface and the exit curved surface are configured such that light emitted from a light emitting diode (LED) light source enters the lens through the incident curved surface and incident on the exit curved surface, and is refracted by the exit curved surface. The position of a point on the exit curved surface is represented by z=z | 12-02-2010 |
| 20100282530 | HYBRID POWER OUTPUT SYSTEM - The present invention discloses a hybrid power output system for outputting the power to the wheel driving shaft, comprising an engine, a first motor, a second motor, a battery, a first clutch, a second clutch and a constant-mesh fixed ratio reduction unit, wherein the first motor and the second motor are connected electrically with the battery; the engine is connected to the first motor via the first clutch; the first motor is connected to the second motor via the second clutch; the second motor is connected to the wheel driving shaft via the constant-mesh fixed ratio reduction unit. This hybrid power output system can enhance the comfort of the vehicle, save the space and reduce the cost, moreover, it can realize multiple drive modes to improve the power efficiency and reduce the fuel consumption. | 11-11-2010 |
| 20100276812 | EPITAXIAL WAFER AND MANUFACTURING METHOD THEREOF - A semiconductor device comprises a substrate, a conductive layer deposited on a substrate and an epitaxial layer deposited on the conductive layer. The conductive layer is patterned to include a first pattern. The first pattern includes a major surface and a plurality of grids defined in the major surface. The major surface includes a plurality of first lines and a connecting portion. The connecting portion is connected to an electrode. The epitaxial layer covers the grids and the first lines between the adjacent grids. | 11-04-2010 |
| 20100221901 | METHOD FOR PREPARING CADMIUM SULFIDE FILM - A method for preparing a cadmium sulfide film comprises: providing a slurry; coating a first substrate with the slurry; heating the first substrate to produce a vapor; and depositing the vapor on a second substrate to form a cadmium sulfide film. The slurry comprises a dispersant, cadmium particles and sulfur particles. | 09-02-2010 |
| 20100184559 | HYBRID POWER DRIVING SYSTEM AND THE DRIVING METHOD - The present invention provides a hybrid power driving system, comprising: a first subsystem ( | 07-22-2010 |
| 20100167027 | MOBILE PHONE SHELL AND METHOD OF MANUFACTURING THE SAME - An outer shell of a mobile phone, the outer shell comprises a substrate, a semi-transparent coating formed on the substrate, and an opaque layer partially formed on the opposite side from the semi-transparent coating, wherein the substrate includes at least two sub-areas, a first sub-area overlaps a second sub-area to form a first overlapping area showing a mixture of colors between a first color and a second color. | 07-01-2010 |
| 20100138091 | APPARATUS AND METHOD FOR CONTROLLING ENERGY FEEDBACK FOR ELECTRIC VEHICLE - The present invention discloses an apparatus and method for controlling energy feedback for electric vehicles. The method includes: acquiring an accelerator-pedal travel value, a brake-pedal travel value and a current vehicle speed value; determining whether the brake-pedal travel value is equal to 0%, and calculating a feedback torque based on the current vehicle speed value and the brake-pedal travel value if the brake-pedal travel value is not equal to 0%; or comparing the accelerator-pedal travel value with a given feedback value if the brake-pedal travel value is equal to 0%; and calculating a feedback torque based on the current vehicle speed value if the accelerator-pedal travel value is not greater than the given feedback value; and converting mechanical energy generated by the feedback torque T into electric energy, and transmitting the electric energy to battery of the electric vehicle for storing. According to the present invention, the endurance mileage of electric vehicle may he effectively prolonged and the utilization efficiency of battery is improved. | 06-03-2010 |
| 20100104939 | BATTERY PACK - The present invention discloses a battery pack, which comprises a plurality of unit cells ( | 04-29-2010 |
| 20100062339 | CATHODE MATERIALS FOR LITHIUM BATTERIES - Described are cathode materials for lithium batteries. Better cathode materials may be produced by mixing at least two compounds and a binder additive. The first compound includes one or more salts of lithium metal phosphorous while the second compound includes one or more lithium transition metal oxides. In other instances, a conductive additive may also be incorporated. The cathode materials so produced exhibit enhanced electrical properties and thermal stability. | 03-11-2010 |
| 20100057284 | METHOD AND APPARATUS FOR CONTROLLING MOTOR FOR SKID MODE OF ELECTRIC VEHICLE - The present invention discloses a method and apparatus for controlling a motor for an electric vehicle. The method and apparatus calculates the current acceleration a of the motor according to the detected rotor position values in real-time, and if the current acceleration a is greater than a predetermined forward acceleration a0, the output torque of the motor is decreased. If the acceleration a is less than a predetermined backward acceleration a1, then the output torque of the motor is decreased. Thus, when the vehicle travels from a normal road surface to a smooth road surface, the decrease or increase output torque may suppress the abrupt speed variations. | 03-04-2010 |
| 20100030415 | METHOD AND APPARATUS FOR CONTROLLING OUTPUT TORQUE OF A MOTOR FOR AN ELECTRIC VEHICLE IN UPHILL MODE - A method and an apparatus for controlling output torque of a motor for an electric vehicle in uphill mode, the method comprises: detecting a tilt angle value U, a current vehicle speed value V and an accelerator-pedal travel value Gain of the vehicle, determining whether the vehicle is in uphill mode or not, and if the result is positive, then calculating a minimum torque T | 02-04-2010 |
| 20100016029 | BACKLIGHT FOR MOBILE PHONE AND METHOD OF MANUFACTURING THE SAME - A mobile phone comprises an outer shell having patterns thereon, a sub-screen and a backlight unit disposed between the outer shell and the sub-screen to illuminate the patterns on the outer shell and display images on the sub-screen. The backlight unit includes a light source to emit light, a light guide disposed underneath the outer shell to direct light emitted from the light source and an optical film formed between the light guide and the sub-screen. The light source is disposed on one end of a stack including the light guide and the optical film. The optical film has a reflection rate and a transmission rate. | 01-21-2010 |
| 20100014700 | EARPIECE FOR COMMUNICATIONS - An earpiece for communications comprises a frame, a vibration system disposed in the frame and a magnetic field system disposed in the frame. The vibration system includes a vibrating armature, a diaphragm and a connecting rod. The magnetic field system includes a magnet to generate a first magnetic field on a first axis and a coil to generate a second magnetic field on a second axis. One of the magnet and the coil is connected to the frame. The first and the second magnetic fields produce a net magnetic force to cause the vibration system to move. The first axis is parallel to the second axis. | 01-21-2010 |
| 20100011894 | VEHICLE DRIVE DEVICE AND A VEHICLE COMPRISING THE SAME - A vehicle drive device includes a main shaft operatively coupled to a motor of the vehicle, where the main shaft has a drive gear, and a countershaft having a drive gear and a driven gear. The drive gear of the main shaft is configured to engage the driven gear of the countershaft. Also included is a differential having a driven gear and a half axle gear, where the drive gear of the countershaft is configured to engage the driven gear of the differential, and the half axle gear of the differential is configured to drive a wheel of the vehicle. A parking mechanism is connected with the countershaft and is configured to lock the countershaft in a parking mode. | 01-21-2010 |
| 20100008078 | SOLAR COMPONENT AND DEVICES CONTAINING THE SAME - Solar component and devices containing the same are disclosed. The solar component includes coupling an upper member, a lower member, and at least two side members to form a cavity for housing a plurality of solar cells. Adjacent solar cells may have unused spaces thereby allowing apertures to be formed therethrough the upper member and the lower member. The apertures are capable of allowing air flow through the cavity thereby leading to reduced wind resistance of the solar component. | 01-14-2010 |
| 20100004808 | METHOD AND APPARATUS FOR CONTROLLING OUTPUT TORQUE OF A MOTOR FOR AN ELECTRIC VEHICLE IN DOWNHILL MODE - A method and an apparatus for controlling output torque of a motor for an electric vehicle in downhill mode comprises following steps: detecting a tilt angle value θ, a current vehicle speed value V and an accelerator-pedal travel value Gain of the vehicle, determining whether the vehicle is in downhill mode or not, and if the result is positive, then calculating a downhill slip torque T | 01-07-2010 |
| 20100001681 | SOLAR-POWERED DEVICE - Solar-powered device having a body for housing at least one energy storage module and at least one control module are disclosed. The body includes an opening formed by at least two recesses disposed about an upper surface of the body. At least one solar panel may be coupled to the upper surface of the body where the solar panel may be received by the recesses. | 01-07-2010 |
| 20090305130 | TYPE OF NON-AQUEOUS ELECTROLYTE - This invention relates to non-aqueous electrolytes, in particular, a non-aqueous electrolyte for lithium-ion secondary batteries. The electrolyte comprises regular organic solvents and electrolyte saline. The special characteristics are: the electrolyte also comprises mixed additives, said mixed additives comprising at least one of those of compound group A, at least one of those of compound group B, and one of those of compound group C wherein: compound group A are selected from inorganic saline including Li2CO3, Li2SO4, Li2 SO3, LiNO3; compound group B are selected from vinylene carbonate, propylene carbonate; and compound group C are selected from ES, PS, DMS, DES, DMSO. The weight ratio can be (Group I). | 12-10-2009 |
| 20090302283 | TRANSITION METAL HYDROXIDE AND OXIDE, METHOD OF PRODUCING THE SAME, AND CATHODE MATERIAL CONTAINTING THE SAME - Transition metal hydroxide and oxide, method of producing the same, and cathode material containing the same are disclosed. One method includes coupling an alkaline solution to a transition metal salt solution under an inert gas atmosphere, whereby the alkaline solution includes an additive. A transition metal oxide may be prepared by heating the transition metal hydroxide under an oxygen gas atmosphere. Cathode materials for lithium-ion batteries may be prepared incorporating the transition metal hydroxide and oxide embodiments disclosed herein. | 12-10-2009 |
| 20090274571 | Nd-Fe-B Permanent Magnetic Material - Permanent magnetic materials comprising an Nd—Fe—B alloy and an additive comprising at least one boride are disclosed. The boride may be a lanthanide boride being about 0.01% to about 5% of the alloy by weight. In some instances, the lanthanide boride may be at least one of DyB | 11-05-2009 |
| 20090268054 | ANALOG IMAGE SIGNAL PROCESSING CIRCUIT FOR CMOS IMAGE SENSOR - An image signal processing circuit for CMOS image sensor comprises a differential operational amplifier, input stage capacitors, and output stage capacitors. The input stage capacitors comprise a first positive input stage switching capacitor array and a first negative input stage switching capacitor array. The first positive input stage switching capacitor array is configured to input analog image signals, a control end of the first positive input stage switching capacitor array is connected to a color gain control signal end, and an output end of the first positive input stage switching capacitor array is coupled to a positive input end of the differential operational amplifier. The first negative input stage switching capacitor array is configured to input a reference level signal, a control end of the first negative input stage switching capacitor array is connected to the color gain control signal end, and an output end of the first negative input stage switching capacitor array is coupled to a negative input end of the differential operational amplifier. The output stage capacitors are connected between the output end and the input end of the differential operational amplifier. In the present invention, two or more control functions are implemented with a single circuit, therefore, with the imaging effects guaranteed, the circuit structure is simplified, the size of the CMOS image sensor chip is reduced, and thus the cost is reduced. The present invention meets the developing trend of product miniaturization. | 10-29-2009 |
| 20090252668 | Methods For Preparing Iron Source Material And Ferrous Oxalate for Lithium Ferrous Phosphate - Methods for preparing iron source material and ferrous oxalate for lithium ferrous phosphate are disclosed. One method comprises bringing solution containing ferrite and soluble non-ferrous metal salts in contact with oxalate solution; wherein said method of contact is to allow a flow of the ferrite solution containing ferrite and soluble non-ferrous metal salts to come in contact with a flow of oxalate solution. Another method comprises brings a stream of ferrite solution in contact with a stream of oxalate solution, wherein the flow rates of the ferrite solution and oxalate solution give the resulting slurry a pH of 2-6. The ferrous oxalate particles produces by the methods of the present invention are regularly shaped and have small and evenly distributed diameters. Lithium ferrous phosphate made from iron source material and ferrous oxalate prepared using the methods of the present invention has small particle diameter, homogeneous particle size, good electrical conductivity, and superior electrochemical properties. | 10-08-2009 |
| 20090230796 | FLAT TYPE VIBRATION MOTOR WITH INCREASED VIBRATION AMOUNT - A flat type vibration motor with increased vibration amount comprises a vibrator ( | 09-17-2009 |
| 20090220860 | Composite compound with mixed crystalline structure - A composite lithium compound having a mixed crystalline structure is provided. Such compound can be formed by heating lithium, iron, phosphorous and carbon sources with a lithium metal compound. The resulting mixed metal crystal can exhibit superior electrical property and is a better cathode material for lithium secondary batteries. | 09-03-2009 |
| 20090220858 | Composite Compound With Mixed Crystalline Structure - Described is a composite lithium compound having a mixed crystalline structure. Such compound was formed by heating a lithium compound and a metal compound together. The resulting mixed metal crystal exhibits superior electrical property and is a better cathode material for lithium secondary batteries. | 09-03-2009 |
| 20090220856 | Composite compound with mixed crystalline structure - A composite lithium compound having a mixed crystalline structure is provided. Such compound can be formed by heating a lithium, iron, phosphorous and carbon mixed compound with another metal compound together. The resulting mixed metal crystal can exhibit superior electrical property and is a better cathode material for lithium secondary batteries. | 09-03-2009 |
| 20090217513 | Composite compound with mixed crystalline structure - A composite lithium compound having a mixed crystalline structure is provided. Such compound can be formed by heating lithium, iron, phosphorous and carbon sources with a lithium metal compound. The resulting mixed metal crystal can exhibit superior electrical property and is a better cathode material for lithium secondary batteries. | 09-03-2009 |
| 20090217512 | Composite compound with mixed crystalline structure - A composite lithium compound having a mixed crystalline structure is provided. Such compound can be formed by heating a lithium, iron, phosphorous and carbon mixed compound with another metal compound together. The resulting mixed metal crystal can exhibit superior electrical property and is a better cathode material for lithium secondary batteries. | 09-03-2009 |
| 20090214931 | FLOW-FIELD PLATE AND FUEL CELL STACK USING THE SAME - Disclosed is a flow-field plate and fuel cell stack using the same. The flow-field plate of the present invention comprises a center hole ( | 08-27-2009 |
| 20090214901 | FUEL CELL SYSTEM AND CONTROL METHOD THEREOF - A fuel cell system and a control method thereof; said system comprises a fuel cell generator ( | 08-27-2009 |
| 20090191455 | ELECTROLYTE FOR BATTERIES AND BATTERY PACKS - Electrolyte for lithium secondary batteries and battery packs includes a lithium salt, a non-aqueous solvent, and an additive. The additive includes two or more members selected from the group consisting of substances A, B and C, wherein A includes one or more fused ring compounds and fused heterocyclic compounds, B includes an alkoxy aromatic compound, and C includes halogenated borane-based salt. | 07-30-2009 |
| 20090169984 | COMPOSITE SEPARATOR FILMS FOR LITHIUM-ION BATTERIES - A composite separator film using polyethylene terephthalate (PET) substrate coated with an organic polymeric film to reduce apertures and pores disposed about the substrate. The organic polymeric film includes an organic polymeric material having high thermal stability and low shrinkage rate. The organic polymeric film can also include a plasticizer to distribute and render the apertures and pores more uniform. The resulting composite separator film can serve to divide the cathode and anode terminals of a lithium-ion battery with enhanced capacity and discharge rate at various current densities and temperatures. | 07-02-2009 |
| 20090167747 | TFT-LCD DRIVER CIRCUIT AND LCD DEVICES - Thin film transistor liquid crystal display (TFT-LCD) driver circuit having a source drive buffer with an operational power amplifier having two differential amplifiers capable of alternating operation according to timing and bias voltage signals. The differential amplifiers are further capable of functioning as a voltage follower by inputting and outputting voltage signals from a digital to analog converter for charging display points. The TFT-LCD driver circuit may also be incorporated within a LCD device. | 07-02-2009 |
| 20090167269 | BI-DIRECTIONAL DC POWER CIRCUIT - Bi-directional direct current (DC) power circuit having: a signal processing module for processing feedbacks of output voltage and voltage drop, and outputting pulse control and directional control signals; a pulse width modulation (PWM) module for outputting pulse signals in response to the control signals from the signal processing module; and a switch rectifying module for switching on and off in response to the pulse signals from the PWM module. The pulse control signal from the signal processing module can be in response to an input current signal from a sense resistor. The circuit is capable of achieving both step-up and step-down voltage conversions. | 07-02-2009 |
| 20090167247 | VOLTAGE BALANCE CIRCUIT FOR RECHARGEABLE BATTERIES - Voltage balance circuit for dual cell rechargeable battery having a balancing circuit coupled to an integrated control circuit. The balancing circuit can be configured to charge and discharge current during a voltage balancing process allowing a higher charged cell to discharge or dissipate excess capacity to a lower charged cell. The integrated control circuit, having a plurality of modules, can be configured to output balancing directional and timing control signals for signaling the activation and deactivation of the voltage balancing process. | 07-02-2009 |
| 20090148766 | SECONDARY BATTERY - A secondary battery provided with a safety element ( | 06-11-2009 |
| 20090148765 | LITHIUM IRON(II) PHOSPHATE CATHODE ACTIVE MATERIAL - Lithium iron(II) phosphate containing cathode active material having lithium iron(II) phosphate particles and nano-carbons and methods of preparation thereof. In addition, the cathode active material includes iron phosphide and can be prepared under an inert atmosphere and sintered at high temperatures. The material mixture includes lithium compound, iron compound, organic carbon, phosphorous and nano-iron particles resulting in an electrode with higher unit capacity and maintenance rate. | 06-11-2009 |
| 20090147114 | Circuits and Methods for Image Signal Sampling - This invention discloses a type of image signal sampling circuits and methods. The circuit includes: a signal acquisition unit, a column read out unit, and a working module control circuit. The control circuit includes: a control unit, a source column switch group, a ground column switch group, and a between-column switch group. Each sampling column circuit is equipped with a source column switch and a ground column switch. The source column switch is connected between the inputs of the signal source and the signal acquisition unit. The ground column switch is connected between the ground and the bottom of the signal acquisition unit. The input of the column read out unit is connected to the input of the signal acquisition unit and the output is used to send out the sampled signal. A between-column switch is installed between the input of a front column signal acquisition unit and the bottom of a back signal acquisition unit. The control unit is used to control the switch in each switch group for connected or disconnected operation according to the sampling working module. Employing this invention can realize gain in the image sensor signal, improvement with circuit structure, achieving minimal chip area, and lowered cost. | 06-11-2009 |
| 20090146115 | PROCESS FOR PREPARING A POSITIVE ELECTRODE MATERIAL FOR LITHIUM ION BATTERY - A process for preparing lithium-nickel-manganese-cobalt composite oxide used as a positive electrode material for the lithium ion battery, comprising subjecting a mixture containing a lithium compound and nickel-manganese-cobalt hydroxide to a first-stage sintering and a second-stage sintering, wherein said process further comprises adding a binder and/or binder solution after the first-stage sintering, and the mixture of the binder and/or binder solution and the product of first-stage sintering is sintered in said second-stage sintering. The tap density and volume specific capacity of the positive electrode material lithium-nickel-manganese-cobalt composite oxide prepared by the present process, come up to 2.4 g/cm | 06-11-2009 |
| 20090145632 | FLEXIBLE PRINTED CIRCUIT AND METHOD FOR MANUFACTURING THE SAME - Disclosed is a flexible printed circuit, comprising a substrate, and a silver foil and a reinforcement plate attached on said substrate in order, wherein there is an ink layer between said silver foil and said reinforcement plate. According to the invention, by printing the ink onto the silver foil and then attaching the reinforcement plate, especially printing the ink in the form of a dot, strip or mesh, the total thickness of the flexible printed circuit will not increase while the surface roughness of the silver foil increases, resulting in increase of adhesion of the reinforcement plate. This strengthens the attachment between the reinforcement plate and the silver foil, meeting the requirement of peeling-resistant strength between the reinforcement plate and the silver foil. | 06-11-2009 |
| 20090142661 | Battery Cover - Described is a battery cover having upper and lower shells that can be coupled to each other to protect the battery's core and internal circuit board. The shells can be ultrasonically welded to provide at least one loop of continuous weld. Once welded together, the cover reduces battery's exposure to moisture and other external element leading to reduced electrical shorts and improved safety and efficiency. | 06-04-2009 |
| 20090142659 | BATTERY ELECTRODE STRUCTURE - An electrode structure for a battery having an electrode tab coupled to a recess within an electrode lead. The tab can be coupled to the recess via hot-pressure treatment or mechanical compression. The coupling can be further reinforced by known welding techniques. The resulting electrode structure is capable of providing a battery with lowered internal resistance, enhanced safety and electrical properties. | 06-04-2009 |
| 20090136836 | Battery Spacer - Described is a lithium-ion battery spacer having a spacer board with two operably coupled apertures disposed therethrough. The operably coupled apertures can be tapered to further facilitate smooth passage of a cathode or anode tab therethrough and secure such tab thereby minimizing tilting or shorting of the tab. Accordingly, the spacer leads to safer and more efficient production of the lithium-ion battery. | 05-28-2009 |
| 20090108808 | Battery Protection Mechanism - The present invention teaches methods and systems for detecting internal battery abnormalities during charging and discharging states. The embodiments of the invention includes a circuit for determining charging and/or discharging state of the battery, a circuit for sampling the battery voltage at sequential time points, a circuit for measuring the decline of the voltage, a counter for counting T | 04-30-2009 |
| 20090042103 | ADDITIVE MIXTURE FOR ELECTROLYTE OF LITHIUM ION SECONDARY BATTERY AND ELECTROLYTE OF LITHIUM ION SECONDARY BATTERY COMPRISING THE SAME - An additive mixture of the electrolyte of lithium ion secondary batteries and the electrolyte of lithium ion secondary batteries including the said additive mixture, characterizing in that the additive mixture includes 0.5-95.4 wt % biphenyl based compound, 0.1-93.8 wt % cyclohexylbenzene based compound, 0.4-93.2 wt % vinylene carbonate, 0.5-96.5 wt % t-alkyl benzene based compound and 0.5-95.8 wt % ethenyl sulfonyl benzene, based on the whole weight of the additive mixture. | 02-12-2009 |
| 20090035204 | Methods for Synthesizing Lithium Iron Phosphate as a Material for the Cathode of Lithium Batteries - A method for synthesizing lithium iron phosphate as a material for the cathode of lithium batteries is disclosed. This method comprises mixing and sintering the lithium source, iron source, phosphorous source, and carbon source, wherein said iron source is a mixture of FeC | 02-05-2009 |
| 20090023069 | Type of Lithium Iron Phosphate Cathode Active Material and Its Method of Synthesis - This invention provides a type of lithium iron phosphate cathode active material and its method of synthesis. Said cathode active material contains the sintering product of lithium iron phosphate and a mixture. Said mixture comprises of two or more metal oxides where the metal elements are selected from groups II A, III A, IV A, V A, III B, IV B, or V B, and where the weight of one metal oxide is 0.5-20% of the weight of the other metal oxide. Greatly increased capacity can be achieved in rechargeable lithium-ion batteries using the lithium iron phosphate cathode active material provided by this invention. | 01-22-2009 |
| 20080319611 | Vehicle Anti-Skid Brake Control System and Its Control Method - An anti-skid brake control system and its control method for vehicle has a signal collection unit and an electronic control unit. The electronic control unit includes a data receiving module, a data processing module and a data control module. The data receiving module receives the data collected by the signal collection unit. The data processing module calculates sideslip angles and slip rates for wheels. The data control module sets target slip rates based on the slip rates corresponding to the friction coefficient μ for different sideslip angles. The device emits control commands after comparing the calculated slip rate to the set target slip rate, so that the ABS control is real time. | 12-25-2008 |
| 20080318823 | Water-Soluble Detergent Composition for Cleaning Liquid Crystal and Preparation Method Thereof - A water soluble detergent composition for liquid crystal is presented. The composition includes 10-50 wt % of polyethylene glycol biester, 5-60 wt % of fatty alcohol polyoxyethylene ether, 5-20 wt % of alkyl tri-polyoxyethylene ether sulfate tri-fatty alcohol amine and/or alkenyl tri-polyoxyethylene ether sulfate tri-fatty alcohol amine, 1-15 wt % of alkyl benzene sulfonic acid, 1-10 wt % of lecithin, and 5-50 wt % of water. The detergent composition can effectively remove liquid crystal material invading into the gap of the liquid crystal panel, and foreign substances attached on the substrate surface. | 12-25-2008 |
| 20080305382 | Flow-Field Plate and Fuel Cell Stack Using the Same - Disclosed is a flow-field plate and fuel cell stack using the same. The flow-field plate ( | 12-11-2008 |
| 20080305250 | Fabrication Methods for Catalyst Coated Membranes - Fabrication methods for catalyst coated membranes are provided. The methods include exposing a micro-porous membrane to a catalyst dispersing solution to form a catalyst containing micro-porous membrane. The methods also include exposing the catalyst containing micro-porous membrane to a resin dispersing solution to form a catalyst layer and placing a proton exchange membrane between two of the catalyst layers with a laminating process to form the catalyst coated membrane. The fabrication methods provide filling process to uniformly fill the catalysts and resin throughout the pores of the micro-porous membranes in the catalyst layers. These micro-porous membranes are hydrophobic and easily discharge water when necessary. Therefore, membrane electrode assemblies with catalyst coated membranes fabricated using the provided methods are stable and perform well during fuel cell operation. | 12-11-2008 |
| 20080291191 | Power source circuits for driving liquid crystal displays - This invention is suitable for use in the field of integrated circuits. It provides a type of power source circuit. Said power source circuit includes: a charge pump circuit used to operate the charge pump to produce driving voltages; a first control circuit, used in the closed-loop control of said charge pump circuit to produce a positive high voltage; a bias-ratio circuit, used with the positive high voltage and the zero-potential voltage produced by the first control circuit to produce a positive sub-high voltage and a lowest positive high voltage; and a second control circuit, used in accordance with the positive sub-high voltage and the lowest positive high voltage produced by said bias-ratio circuit in the closed-loop control of said charge pump circuit to produce a negative high voltage. Using this invention, the system contains no voltage higher than the liquid crystal's driving voltages, and also does not contain any lower negative voltage than the liquid crystal's highest negative driving voltage, thereby reducing the circuit's electrical consumption. | 11-27-2008 |
| 20080286646 | Electrolytes for Lithium Ion Batteries and Their Fabrication Methods - Electrolytes for lithium ion batteries are provided. The electrolytes include lithium salts, organic solvents and additives. In particular, the additives include halogeno-benzene and/or its homologs, the S═O bond compounds, biphenyl and/or its homologs, phenylcyclohexane and/or its homologs, teraklylbenzenes, and di-cycladipate and/or its homologs. Lithium ion batteries using said electrolytes exhibit improved overcharging safety properties, high temperature storage stability properties and cycle life properties simultaneously. | 11-20-2008 |
| 20080284498 | Type of Charge Pump Apparatus and Power Source Circuit - This invention discloses charge pump apparati, where a charge pump apparatus, including a positive charge pump circuit and a negative charge pump circuit, providing multiple positive and negative voltages, comprises: a capacitor set shared by said positive charge pump circuit and said negative charge pump circuit; multiple electronic switches connected to said capacitor set and a plurality of voltage sources; multiple output capacitors connected to selected ones of said multiple electronic switches and one or more output terminals; and a non-overlapping time sequence that controls the on and off states of said multiple electronic switches; wherein under the control of said non-overlapping time sequence, corresponding electronic switches are turned on and off to control the output of the positive and negative voltages provided by said output capacitors to generate output voltages that are pre-determined multiples of the one or more input voltages. With this invention, coupling capacitors are shared during the processes of charging and discharging, and operate at alternating intervals through time sequence-control. As a result, both positive and negative output voltages can be simultaneously adjusted to provide different boost levels. The charge pump is both low in cost and has a design that is simple and easy to produce. | 11-20-2008 |
| 20080251205 | Method for Preparing a Membrane Electrode of a Fuel Cell - The invention provides a method for preparing a membrane electrode of a fuel cell, comprising the steps of preparing diffusion layers, and superimposing the diffusion layers on a proton exchange membrane having a catalyst layer on each surface, wherein the method for preparing the proton exchange membrane having a catalyst layer on each surface comprises the steps of: filling a catalyst slurry containing a catalyst and a bonding agent between two polymer films, and pressing the polymer films filled with the catalyst slurry to obtain a catalyst layer; and superimposing the catalyst layer on each surface of a proton exchange membrane. The method of the present invention can control the thickness of the catalyst layers by pressing during preparation thereof, therefore, the catalyst layers have an even thickness and surface. | 10-16-2008 |
| 20080233470 | Heat Dissipating Device for a Battery Pack, and Battery Pack Using the Same - Disclosed herein is a heat dissipating device for a battery pack which comprises a heat collecting plate having a heat collecting channel, a heat dissipating plate having a heat dissipating channel, and a pump, wherein, one port of the heat collecting channel is communicated with one port of the heat dissipating channel, the other post the heat collecting channel is communicated with the liquid outlet of the pump, and the liquid inlet of the pump is communicated with the other port of the heat dissipating channel. A battery pack using the heat dissipating device is also disclosed. During the operation of the heat dissipating device, the heat generated by the cells can be collected in the heat collecting plate and absorbed by the cooling liquid pumped into the heat collecting channel by the pump, the cooling liquid carrying the heat flows into the heat dissipating channel, the heat is dissipated outwardly through the heat dissipating plate, and then the cooling liquid is repeatedly pumped from the heat dissipating channel into the heat collecting channel by the pump, such that the heat generated by the cells can be dissipated rapidly and efficiently. | 09-25-2008 |
