Patent application number | Description | Published |
20140297051 | ENERGY RESOURCE-GRID-LOAD AUTOMATIC CONTROL SYSTEM OF SMART MICROGRID AND CONTROL METHODS THEREOF - The present invention relates to an energy resource-grid-load automatic control system of smart microgrid and control methods thereof, which belong to the field of microgrid control and electrical technology. The energy resource-grid-load automatic control system comprises a distributed renewable energy power generation module, a distributed renewable energy inverter module, a conventional power generation module, a user load module, a bidirectional grid-connected control module, a distributed renewable energy intelligent optimizing power generation control module, an energy storage module, an intelligent energy storage unit adjuster and a storage battery pack. Compared with the conventional microgrid comprising a distributed renewable energy power generation system, the present invention guarantees the stability and the high energy utilization of the power generation system and effectively solves the problem of non-uniform frequency of use of storage batteries to unify the service life of the storage battery pack. | 10-02-2014 |
20150188361 | BYPASS TYPE 220V GRID VOLTAGE SAG PREVENTION DEVICE AND CONTROL METHOD THEREFOR - Provided are a bypass type 220V grid voltage sag prevention device and a control method therefor. The bypass type 220V grid voltage sag prevention device comprises an AC-to-DC energy storage unit, a Single Chip Microcomputer (SCM) control and display unit, and an inverter output unit. The AC-to-DC energy storage unit comprises a rectifier circuit, an energy storage control circuit and a quick tank circuit; the SCM control and display unit comprises an SCM, a DC step-down module circuit and an energy storage voltage detecting circuit; and the inverter output unit comprises a high-frequency PWM generating circuit, a high-frequency transformer output circuit, a transformer output full-bridge rectifier circuit, a PWM generating circuit, a PWM driving and full-bridge inverter circuit, a 220V grid zero-cross point detecting circuit, a 220V grid voltage detecting circuit, a 220V grid and inversion AC converting circuit, and a signal interface circuit. | 07-02-2015 |
Patent application number | Description | Published |
20150348646 | SHIFT REGISTER AND METHOD OF DRIVING THE SAME, AND GROUP OF SHIFT REGISTERS AND METHOD OF DRIVING THE SAME - A shift register circuit is disclosed. In some embodiments, the shift register circuit includes six transistors and no capacitors. A group of such shift register circuits is also disclosed. In some embodiments, the shift registers of the group are connected so as to be configured to provide driving signals for a display. A method of using the shift registers is also disclosed. | 12-03-2015 |
20150356919 | PIXEL COMPENSATING CIRCUIT AND METHOD OF ORGANIC LIGHT EMITTING DISPLAY - A pixel compensating circuit includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a driving transistor, a first capacitor, and an organic light emitting diode element. The first transistor controls transmission of a data signal to a first electrode plate of the first capacitor. The second transistor controls transmission of a reference voltage signal to the first electrode plate of the first capacitor. The driving transistor determines an amount of a driving current. The third transistor controls connection and disconnection between the gate electrode and a drain electrode of the driving transistor. The fourth transistor transmits the driving current from the driving transistor to the organic light emitting diode element. The fifth transistor controls transmission of a supply voltage to the source electrode of the driving transistor; and the organic light emitting diode element emits light in response to the driving current. | 12-10-2015 |
20160105184 | INVERTER, DRIVING CIRCUIT AND DISPLAY PANEL - An inverter includes first, second, third, fourth, and fifth transistors, and first and second capacitors. The transistors and capacitors are connected in such way that the reverse conduction of the second transistor is prevented through controlling the gate electrode of the second transistor and maintaining the electrical potential at the gate electrode of the fifth transistor by the second capacitor. The electrical potential at the gate electrode of the fifth transistor is maintained stable when a first clock signal changes from high to low (when the first to fifth transistors are NMOS transistors) or from low to high (when the first to fifth transistors are PMOS transistors), so that the output signal of the inverter may not be affected by a change of the first clock signal, thus enabling the inverter to generate a stable output signal and a display panel comprising the inverter to obtain a better display effect. | 04-14-2016 |
Patent application number | Description | Published |
20140318222 | METHOD TO PREVENT EXCESSIVE MAINTENANCE TO A VEHICLE LUBRICATING SYSTEM BASED ON DETECTION - This invention is a method to prevent excessive maintenance to vehicle lubricating system based on detection, to overcome the defect in maintenance procedure. Technical measures are as follows: it is a method to prevent excessive maintenance to vehicle lubricating system based on detection, with oil detection module | 10-30-2014 |
20140320630 | DEVICE FOR AN AUTOMOBILE FUEL INTAKE CATALYTIC SYSTEM TEST AND ITS TEST METHOD - This invention is a method to prevent excessive maintenance to vehicle lubricating system based on detection, to overcome the defect in maintenance procedure. The method prevents excessive maintenance to vehicle lubricating system based on detection, with oil detection module and host controller. Its working principle is to detect the aging degree of lube before maintenance, and decide whether to change the lube according to detection result. It will help to prevent excessive maintenance, reduce maintenance cost for car owners, and decrease the waste of resource. Oil detection module includes oil chamber sensor, capacitance detection chip, and etc. Host controller is connected to oil detection module by cables. | 10-30-2014 |
20140321500 | METHOD BASED ON INSPECTION TO AVOID EXCESSIVE MAINTENANCE OF AN AUTOMOBILE COOLING SYSTEM - The purpose of this invention is to overcome the defect of the present judgment method for automobile cooling system. It is an inspection method based on the aging degree of lubricating oil of the oil reservoir sensor. The invitation is a method based on the inspection to avoid excessive maintenance of the automobile cooling system, its feature: With a type of antifreeze freezing point detection module and main controller, and etc, to detect the freezing point of the antifreeze before maintenance, it will show the degree of aging. If the result shows no need to change the antifreeze, then keep using to avoid excessive maintenance, which will reduce the maintenance fee and save resources. The main controller checks the records like maintenance interval, maintenance content, travelled distance, and etc. These records could be auxiliary judgment conditions. Main controller and antifreeze freezing point detection module 1 are connected by cable. | 10-30-2014 |
Patent application number | Description | Published |
20100027794 | QUANTUM COMMUNICATION SYSTEM - A system for transmitting quantum information comprising a sending unit and a receiving unit,
| 02-04-2010 |
20110108712 | PHOTON DETECTOR - A photon detection system comprising an avalanche photodiode and a voltage source for said avalanche photodiode, wherein said avalanche photodiode comprises Silicon or its heterostructures and wherein said voltage source is configured to bias said avalanche photodiode with a voltage component which is static with respect to time and a voltage component which varies with time. | 05-12-2011 |
20110173696 | QUANTUM COMMUNICATION SYSTEM AND METHOD - A quantum communication system, said system comprising:
| 07-14-2011 |
20120063789 | PHOTON DETECTOR - A photon detection system comprising: an avalanche photodiode; a biasing circuit configured to reverse bias said avalanche photodiode; a first measuring circuit configured to measure avalanche events occurring in said avalanche photodiode as a transient current due to photon absorption; and a second measuring circuit configured to measure the bias current flowing through the avalanche photodiode. | 03-15-2012 |
20120177374 | QUANTUM COMMUNICATION SYSTEM - A quantum communication system including a sending unit and a receiving unit, said sending unit comprising a photon source assembly configured to output a stream of pulses of light having at least two different intensities and a memory configured to store information for determining which pulses should be reference pulses and which pulses should be data pulses, the average intensity of reference pulses being different to the average intensity of data pulses, the receiving unit comprising a memory for storing information for identifying the position of reference pulses within the stream of pulses and a processor for determining the calibration of the quantum communication system from the reference pulses. | 07-12-2012 |
20120230702 | PHOTON DETECTOR - A photon detection system including a photon detector configured to detect single photons, the photon detector being gated such that it produces a periodic output signal and the gating signal having a frequency of at least 50 MHz. The system further includes a combiner for combining the signal from one period with signals from other periods such that periodic variations in the output signal of the detector are suppressed. | 09-13-2012 |
20120294625 | COMMUNICATION SYSTEM AND METHOD - A communication system comprising an emitter of weak light pulses, a detector which is capable of detecting single photons, and a source of a clock signal, wherein said emitter and detector are synchronised using said clock signal, the system further comprising a frequency divider for said clock signal to produce a reduced frequency clock signal and a clock regenerator for regenerating the original clock signal from the reduced frequency clock signal, the system further comprising a communication channel configured to communicate the clock signal between the emitter and detector, the clock signal being reduced before sending through said channel and reconstructed after it has exited said channel. | 11-22-2012 |
20120328290 | QUANTUM COMMUNICATION NETWORK - A quantum communication system comprising a receiver and a plurality of transmitters, said receiver comprising a detector sub-system, each of said transmitters being configured to emit pulses of radiation, said detector subsystem comprising at least one detector, said detector being configured to detect said light pulses, the system comprising a timing control module, said timing control module being configured to control the number of light pulses received by the detector sub-system, such that just one light pulse from one transmitter reaches the detector sub-system at any one time, the timing control module also allowing the transmitter which sent said pulse to be identified. | 12-27-2012 |
20140105598 | SYSTEM AND METHOD FOR INTENSITY MONITORING - A detection system for monitoring the intensity of a stream of modulated pulses, the system comprising a controller configured to provide a control signal to a component outputting modulated pulses the control signal controlling the level of modulation for each pulse exiting the component and a detector configured to measure the intensity of the pulses in the stream of pulses exiting the component outputting modulated pulses, wherein the detector comprises a gated detector, the controller being configured to send a gating signal to said detector, wherein said gating signal varies the gain of the detector with the control signal, such that pulses with a selected modulation level can be detected. | 04-17-2014 |
20140205301 | MODULATION UNIT - A modulation unit for a quantum communication system, wherein said modulation unit comprises an optical component configured to cause a delay between photons with different polarisation modes and a phase modulator, the optical component comprising a birefringent optical material, wherein the birefringent optical material supports the transmission of photons with a first polarisation mode and a second polarisation mode, wherein the optical path length for photons propagating with the first polarisation mode is different to the optical path length of photons propagating with the second polarisation mode, photons with the first polarisation mode having an orthogonal polarisation to those with the second polarisation mode, the phase modulator being configured to apply a further phase difference between photons with the first and second polarisation mode which pass through said modulation unit. | 07-24-2014 |
20140341575 | SIGNAL MANIPULATOR FOR A QUANTUM COMMUNICATION SYSTEM - A signal manipulator, comprising:
| 11-20-2014 |
20150034808 | PHOTON DETECTOR - A photon detection system including a photon detector configured to detect single photons, a signal divider to divide the output signal of the photon detector into a first part and a second part, wherein the first part is substantially identical to the second part, a delay mechanism to delay the second part with respect to the first part, and a combiner to combine the first and delayed second parts of the signal such that the delayed second part is used to cancel periodic variations in the first part of the output signal. | 02-05-2015 |
20150331672 | RANDOM NUMBER GENERATOR - A random number generation system, comprising: a light source configured to generate light pulses and a driving unit configured to drive said light source such that the phase of each light pulse has a random relationship to the phase of each subsequently generated light pulse, and such that each light pulse is generated with at least two local maxima in the temporal intensity profile. | 11-19-2015 |
20150372768 | QUANTUM COMMUNICATION SYSTEM - A transmitter for a quantum communication system, the transmitter comprising an interferometer, the interferometer having a first path with a phase modulator and a second path configured such that light pulses entering the interferometer follow either the first path or the second path, the output of the first and second paths being combined, the transmitter further comprising an optical filter positioned such that photons exiting the interferometer pass through the optical filter, the optical filter being configured to restrict the frequency range of pulses passing through the optical filter and temporally broaden the pulses. | 12-24-2015 |
20160047643 | INTERFERENCE SYSTEM AND AN INTERFERENCE METHOD - An interference system, comprising:
| 02-18-2016 |
20160087718 | SYSTEM AND METHOD FOR INTENSITY MONITORING - A detection system for monitoring the intensity of a stream of modulated pulses, the system comprising a controller configured to provide a control signal to a component outputting modulated pulses the control signal controlling the level of modulation for each pulse exiting the component and a detector configured to measure the intensity of the pulses in the stream of pulses exiting the component outputting modulated pulses, wherein the detector comprises a gated detector, the controller being configured to send a gating signal to said detector, wherein said gating signal varies the gain of the detector with the control signal, such that pulses with a selected modulation level can be detected. | 03-24-2016 |
20160087796 | STRING PROCESSOR - According to one embodiment is a string processor configured to output a biased output string having a first output value and a second output value. The string processor is given an unbiased input string of at least two input values. The string processor has a processing unit and a memory device, the memory device stores a code-word set. The code-word set has a plurality of code-words, each code-word having at least one input value, and each output value has at least one corresponding code-word. The processing unit is configured to: compare a comparison string to the code-word set, wherein the comparison string includes an input from the input string; and assign an output value to the output string when the comparison string matches a code-word. The assigned output value is that to which the matched code-word corresponds. An output probability of an output value is defined by the number and length of the code-words corresponding to that output value; and the output probability of the first output value is larger than the output probability of the second output value. | 03-24-2016 |
Patent application number | Description | Published |
20100111305 | PHOTON DETECTOR - A photon detection system including a photon detector configured to detect single photons, a signal divider to divide the output signal of the photon detector into a first part and a second part, wherein the first part is substantially identical to the second part, a delay mechanism to delay the second part with respect to the first part, and a combiner to combine the first and delayed second parts of the signal such that the delayed second part is used to cancel periodic variations in the first part of the output signal. | 05-06-2010 |
20100232279 | OPTICAL RETRIEVAL SYSTEM, DATA STORAGE SYSTEM, DATA STORAGE MEDIUM AND METHOD OF OPTICAL RETRIEVAL AND DATA STORAGE - An optical data retrieval system configured to retrieve data from a data storage medium, including: a source of n path-entangled photons, where n is an integer of at least 2; a detector system configured to determine if n photons have been received; and a mechanism to direct photons from the source to the data storage medium and to the detector system. | 09-16-2010 |
20100294919 | PHOTON DETECTION SYSTEM AND METHOD OF PHOTON DETECTION - According to one embodiment, a photon detection system determines the number of detected photons. The detection system includes an avalanche photodiode and a measuring unit. The measuring unit measures an avalanche signal induced by illumination before the avalanche current through the device has saturated. | 11-25-2010 |
20120168612 | PHOTON DETECTION SYSTEM AND METHOD OF PHOTON DETECTION - According to one embodiment, a photon detection system determines the number of detected photons. The detection system includes an avalanche photodiode and a measuring unit. The measuring unit measures an avalanche signal induced by illumination before the avalanche current through the device has saturated. | 07-05-2012 |
20130214134 | PHOTON DETECTOR - A photon detection system comprising an avalanche photo-diode, said avalanche photodiode comprising a p-n junction formed from a first semiconductor layer having a first conductivity type and a second semiconductor layer having a second conductivity type, wherein the first conductivity type is one selected from n-type or p-type and the second conductivity type is different to the first conductivity type and is selected from n-type or p-type, wherein the first semiconductor layer is a doped layer which is doped with dopants of a first conductivity type and where there is a variation in the concentration of dopants of the first conductivity type such that the first layer comprises islands of high field zones surrounded by low field zones, the high and low field zones distributed laterally in the plane of the p-n junction, wherein the dopant concentration is higher in the high field zones than the low field zones, said system further comprising a biasing unit, said biasing unit being configured to apply a voltage which is static in time and a time varying voltage. | 08-22-2013 |
20140321862 | PHOTON DETECTOR AND A PHOTON DETECTION METHOD - A photon detection system is provided comprising a photon detector, configured to detect photons during intervals when in a receiving state and to output a signal when a photon is received, a controller, configured to generate a time varying gating signal wherein said gating signal switches said detector between the receiving state and a non-receiving state, said controller being configured to receive and process information relating to the times photons are expected to arrive at said detector, the controller being configured to generate the gating signal such that the photon detector is in the receiving state for intervals when photons are expected and also in the receiving state for additional intervals between the intervals when the photons are expected; a detection module, configured to distinguish between when the output signal from the photon detector corresponds to an interval when photons are expected and said additional intervals. | 10-30-2014 |
20150304051 | OPTICAL DEVICE - An optical device, comprising an optical component, configured to produce optical amplification; a component configured to intermittently supply coherent light to said optical component; and a controller, configured to apply a time varying signal to said optical component such that a plurality of light pulses are emitted during each period of time that said coherent light is received, wherein the plurality of light pulses emitted during each period have a fixed phase relation. | 10-22-2015 |