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Optical device utilizing optical waveguides and mechanical light-switches
InactiveUS6650822B1High refractive indexReduction factorCoupling light guidesOptical waveguide light guidePhotovoltaic detectorsPhotodetector
An optical device consists of one or more optical waveguides and mechanical light switches 30. When a light switch 30 is turned on, it extracts light beam 62a from a waveguide core 20 and redirect the light beam 62b into free space, it redirects an incoming light beam 80 from free space and injects the light beam 80a into the waveguide core 20, or it performs both functions at the same time, depending on specific applications. On and off states of a light switch 30 are achieved by pulling the light switch 30 into a close vicinity of the waveguide core 20 and by pushing the light switch 30 away from the waveguide core 20, respectively. An interactive fiat-panel display can be built based on this invention. A plurality of parallel channel waveguides forms a display panel. An array of light beams 62a, injected from an array light source 60, propagates along waveguide cores 20 until reaches a location where a light switch 30 is turned on. At this location, the light switch 30 redirects the light beams towards a viewer. An image is produced when the light switches 30 are turned on sequentially while the light-intensity distribution on the array light source 60 is synchronically updated. The panel display is capable of responding to an input optical signal by detecting an incoming light beam 80 from a light pen 100. An array of photodetectors 81 is used to identify the location of the incoming light beam 80 on the display panel and a computer is used to execute a corresponding action accordingly.
Owner:LIFE TECH CORP
Voice input method and device
ActiveCN104090652AShort switching timeReduce stepsInput/output for user-computer interactionSpeech recognitionSpeech inputSpeech sound
The embodiment of the invention provides a voice input method and device. The method comprises the following steps: judging whether a specified operation event is monitored or not in a non-voice input mode; if yes, switching to a voice input mode, wherein the specified operation event includes a long-pressing event of a specified key; carrying out voice input processing in the voice input mode. The voice input method and device provided by the embodiment of the invention have the benefits that multiple purposes are realized through reusing an existing key, the operations that a user clicks an voice input key / inlet and the like are eliminated, the simplicity and the convenience of user operation are improved, the switching time in the voice input mode is reduced, and the input cost is reduced.
Owner:BEIJING SOGOU TECHNOLOGY DEVELOPMENT CO LTD
Method and apparatus for multiplexing plural ion beams to a mass spectrometer
ActiveUS20060091308A1Quick checkImprove throughputTime-of-flight spectrometersIsotope separationIon trap mass spectrometryIon beam
A method / apparatus for multiplexing plural ion beams to a mass spectrometer. At least two ion sources are provided with means of transporting the ions from the ion sources to separate two-dimensional ion traps. Each ion trap is used for storage and transmission of the ions and operates between the ion sources and the mass analyzer. Each ion trap has a set of equally spaced, parallel multipole rods, as well as entrance and exit sections into which and from which ions enter and exit the trap, respectively. For each ion trap, the entrance section is placed in a region where background gas pressure is at viscous flow. The pressure at the exit section drops to molecular flow pressure regimes without a break in the structure of the ion trap. Each trap alternately stores and transmits ions by way of a fast voltage switch applied to the ion trap exit lens.
Owner:PERKINELMER HEALTH SCIENCES INC
Clutch system
InactiveUS6789658B2Lower the volumeShort switching timeMechanical actuated clutchesFluid actuated clutchesMobile vehicleMotorized vehicle
Owner:ZF FRIEDRICHSHAFEN AG
Electric-controlled light-regulating medium
ActiveCN101415280A"Multi-stable" characteristics are goodNo electromagnetic radiationElectrical apparatusElectroluminescent light sourcesElectricityControl area
The invention discloses an electronic control dimming medium which comprises two substrate layers. A mixed layer is arranged between two substrate layers and is made by mixing smectic phase liquid crystal and additives. A conductive electrode layer is arranged at the sides of two substrate layers towards the mixed layer, and the conductive electrode layer is connected with a circuit drive control apparatus. Two substrate layers can be made of glass, or two substrate layers can be made of plastic, or one substrate layer is made of the glass, and the other substrate layer is made of the plastic. When an electric signal which is applied to the conductive electrode layer is controlled, smectic phase liquid crystal molecules can be characterized by different arrangement states, and the arrangement states are the same in the electroless case, so as to ensure that the medium can be switched between a vaporific shielding state and a full transparent state and even can be switched among various gradual progress states of different gray scales. The electronic control dimming medium can be widely applied to the fields of building decoration and fitment, privacy control area, automobile electronics, electronic bulletin board, etc.
Owner:重庆汉朗精工科技有限公司
Semiconductor memory
InactiveUS20060076549A1Short switching timeLow programming voltageDigital storageBulk negative resistance effect devicesSilicon matrixRetention time
The object of providing a non-volatile semiconductor memory that stands out by good scalability and a high retention time as well as ensures low switching voltages at low switching times and achieves a great number of switching cycles at good temperature stability is solved by the present invention with a semiconductor memory whose memory cells comprise at least one silicon matrix material layer with open or disturbed nanocrystalline or amorphous network structures and structural voids which has a resistively switching property between two stable states, utilizing the ion drift in the silicon matrix material layer. The memory concept suggested in the present invention thus offers an alternative to the flash and DRAM memory concepts since it is not based on the storing of charges, but on the difference of the electric resistance between two stable states that are caused by the mobility of ions in the amorphous silicon matrix material with an externally applied electric field.
Owner:POLARIS INNOVATIONS LTD
Memory device and methods of using and making the device
ActiveUS20050006643A1Small sizeShort resistance/impedance switch timeNanoinformaticsSolid-state devicesComputer scienceElectric field
A memory cell made of two electrodes with a controllably conductive media between the two electrodes is disclosed. The controllably conductive media contains an active low conductive layer and passive layer. The controllably conductive media changes its impedance when an external stimuli such as an applied electric field is imposed thereon. Methods of making the memory devices / cells, methods of using the memory devices / cells, and devices such as computers containing the memory devices / cells are also disclosed.
Owner:MONTEREY RES LLC
Radio frequency device with fast charging of an input capacitance
InactiveUS6438364B1Highly linear gain-modeShort switching timeAmplifier modifications to reduce non-linear distortionGated amplifiersCapacitanceFast charging
A radio frequency device has an input transistor from which a capacitance is seen, and a fast charging circuit for charging the capacitance. The input transistor receives a radio frequency signal. The capacitance is quickly charged when the device is switched from off to on and / or from low gain to high gain, thereby reducing the switching-on time of the device.
Owner:CALLAHAN CELLULAR L L C
Collinear flexible head splicer suitable for multiple vehicle types
ActiveCN102837138ASmall footprintIncrease the number ofWelding/cutting auxillary devicesAuxillary welding devicesEngineeringSmall footprint
Owner:GUANGZHOU MINO AUTOMOTIVE EQUIP CO LTD
Dual-card dual-standby terminal and data communication method
InactiveCN105101164AImprove resource utilizationAvoid data service call dropNetwork data managementData transmissionResource utilization
The invention discloses a dual-card dual-standby terminal and a data communication method. The dual-card dual-standby terminal comprises a first SIM card, a second SIM card, a first protocol stack, a second protocol stack, a data service module and a TCP / IP protocol stack. The TCP / IP protocol stack comprises a first virtual WAN transmission interface and a second virtual WAN transmission interface. The first SIM card resides in a PS domain and a CS domain of a network through the first protocol stack. The second SIM card resides in a PS domain and a CS domain of a network through the second protocol stack. The first virtual WAN transmission interface and the second virtual WAN transmission interface are used for transmitting data of the first protocol stack and the second protocol stack respectively. The data service module is used for selecting the network where the first SIM card or the second SIM card belongs to establish a PS data service link so as to carry out data transmission. The terminal and the method have the following advantages that the SIM card can resides in a CS voice service and a PS data service simultaneously; transmission interruption and other problems generated because one network is abnormal can be avoided; a resource utilization rate is increased and a user experience is improved.
Owner:NUBIA TECHNOLOGY CO LTD
Clutch system
InactiveUS20030047410A1Lower the volumeShort switching timeMechanical actuated clutchesFluid actuated clutchesMobile vehicleEngineering
A clutch system includes a clutch device with at least one clutch arrangement for installation in a motor vehicle drive train between a drive unit and a transmission. The at least one clutch arrangement is actuated by a slave cylinder using a pressure medium which is supplied to the clutch device by a first pump. A further medium is also supplied to the clutch device by a second pump arrangement as an operating medium used during operation of the clutch device. The further medium is selectively supplied as a pressure medium to the slave cylinder.
Owner:ZF FRIEDRICHSHAFEN AG
Data processor memory circuit
ActiveUS7055007B2Reduce leakageRaise the threshold voltageMemory architecture accessing/allocationEnergy efficient ICTMemory circuitsComputer science
A memory circuit for use in a data processing circuit is described, in which memory cells have at least two states, each state being determined by both a first voltage level corresponding to a first supply line and a second voltage level corresponding to a second supply line. The memory circuit comprises a readable state in which information stored in a memory cell is readable and an unreadable state in which information stored in said memory cell is reliably retained but unreadable. Changing the first voltage level but keeping the second voltage level substantially constant effects a transition between the readable state and the unreadable state. In use, the static power consumption of the memory cell in the unreadable state is less than static power consumption of the memory cell in the readable state.
Owner:ARM LTD +1
Method and apparatus for multiplexing plural ion beams to a mass spectrometer
ActiveUS7217919B2High sample throughputCompromise sensitivityTime-of-flight spectrometersIsotope separationIon trap mass spectrometryIon beam
A method / apparatus for multiplexing plural ion beams to a mass spectrometer. At least two ion sources are provided with means of transporting the ions from the ion sources to separate two-dimensional ion traps. Each ion trap is used for storage and transmission of the ions and operates between the ion sources and the mass analyzer. Each ion trap has a set of equally spaced, parallel multipole rods, as well as entrance and exit sections into which and from which ions enter and exit the trap, respectively. For each ion trap, the entrance section is placed in a region where background gas pressure is at viscous flow. The pressure at the exit section drops to molecular flow pressure regimes without a break in the structure of the ion trap. Each trap alternately stores and transmits ions by way of a fast voltage switch applied to the ion trap exit lens.
Owner:PERKINELMER HEALTH SCIENCES INC
Multi-webpage browsing device of internet browser
InactiveCN102830972AReduce switching timesFocus on browsingSpecial data processing applicationsSpecific program execution arrangementsInteraction controlOperational system
The invention relates to the field of internet, in particular to a multi-webpage rendering, distributing and interaction control device of an internet browser. A webpage renderer and a webpage presenting device are separated in a process of a computer operating system, and on the basis, the webpage renderer and the webpage presenting device are controlled respectively, so that webpages of multiple sites are rendered simultaneously by a renderer end, and multi-way complex displaying of the multiple webpages is achieved by special window layout built at a presenting end. The device has the advantages that free zooming control for rendering portion of webpage content is achieved by optimizing and modifying the renderer; display modes of parallel, overlapped and local zooming for multiple webpages are achieved by controlling the window layout of the presenting device, and accordingly the efficiency in webpage browsing by users of the internet browser is improved, user experience is effectively improved, and efficacies of computer hardware in internet data accessing and presenting are given to full play.
Owner:管重
Radar level gauge with switch for selecting transmitter or receiver mode
ActiveUS20060055591A1High sensitivityReduce signal lossRadio wave reradiation/reflectionShortest distanceRadar
A radar level gauge (RLG), intended for measuring with a close-range low-power radar a distance to a content surface in a container relatively to a measuring position, which is located above the surface and fixed in relation to a lower boundary of said container. The RLG comprises a transmitter for transmitting an electromagnetic transmitter pulse, a signal medium interface connectable to means for directing said transmitter pulse towards said surface and for receiving a reception pulse reflected back from said surface, and a receiver for receiving said reception pulse. A switch connects said signal medium interface to said transmitter while said transmitter pulse is transmitted, and said signal medium interface to said receiver while said reflected pulse is received, the switch having a switching time short enough to enable short distance detection. According to this design, signal losses can be reduced significantly compared to prior solutions.
Owner:ROSEMOUNT TANK RADAR
Apparatus, system and method for synchronously playing video data and audio data
InactiveCN101282482ASimplify the synchronization processReduce buffer timeTelevision systemsTransmissionData needsBroadcasting
The invention discloses a device, a system and a method for synchronously playing video data and audio data. The system includes a front-end transmitting equipment and a terminal, wherein: the front-end transmitting equipment is used for transforming time stamp of the received media data to broadcasting time stamp under uniform time standard; broadcast-transmitting the media data needed to be transmitted in current time slice together with broadcasting time stamp of the media data; the terminal is used for determining broadcasting time of each media data according to time stamps.
Owner:ZTE CORP
Method for mutual protection of adjacent ONU
InactiveCN101431702AAchieve wireless connectionMeet needsMultiplex system selection arrangementsTransmission monitoring/testing/fault-measurement systemsComputer networkOptical Module
The invention discloses a method for protecting adjacent optical network unit ONU of a passive optical network. The method mainly includes: an optical module and a fault processing module of ONU1 monitor link fault in real time; when fault occurs, adjacent ONU interface is opened and establishes wireless connection between an adjacent ONU2; ONU1 is used as a wireless terminal for connecting with adjacent ONU2, next connected user of ONU1 communicates with OLT through ONU2; when fault is repaired, adjacent ONU interface of ONU1 is closed and normal communication is recovered. The invention discloses an improvement method for ONU, makes ONU having wireless access and automatic protection functions, can detect and process branch / stem fiber fault at the same time user is wireless accessed. The invention provides system protection using wireless access mode between adjacent ONU, does not use fiber backup, increases viability of passive optical network, and reduces building cost simultaneously.
Owner:BEIJING UNIV OF POSTS & TELECOMM
Protection switching method and device in Ethernet passive optical network
InactiveCN101895791AFast rangingShort switching timeMultiplex system selection arrangementsTime-division multiplexDynamic bandwidth allocationData transmission
The invention discloses a protection switching method in an Ethernet passive optical network, which comprises the following steps of: synchronizing in real time configuration data between an active port and a standby port of an optical line terminal (OLT); and performing dynamic bandwidth allocation on logical link identifiers (LLID) in the active and standby ports, performing normal dynamic bandwidth allocation on online LLIDs and performing the dynamic bandwidth allocation on offline LLIDs according to a set period by using the OLT. The invention simultaneously discloses a protection switching device in the Ethernet passive optical network, which comprises a synchronization unit used for realizing the real-time synchronization of the configuration data between the active and standby ports of the OLT, and a dynamic bandwidth allocation unit used for performing the dynamic bandwidth allocation on the LLIDs in the active and standby ports, performing the normal dynamic bandwidth allocation on the online LLIDs and performing the dynamic bandwidth allocation on the offline LLIDs according to the set period. The method and the device have the advantages of maximally reducing influenceto data transmission in the EPON and improving the quality of communication services of the EPON.
Owner:ZTE CORP
Device and method for switching between image data objects
InactiveUS20070273926A1Short switching timeSlight discomfortVisual presentationTelevision systemsComputer graphics (images)Switching time
An image controller is provided which comprises a switching unit configured to change image data objects on the screen of a monitor in the following steps. The switching unit first assigns priorities to image data objects for display on the screen. The switching unit next compares the priorities between a first image data object during display on the screen and a second image data object to be next displayed thereon, and determine a length of switching time depending on the result of comparison. The switching unit then changes each display form (i.e., size, position, format, display time, transparency, or level of layers) of the first and second image data objects on the screen continuously or stepwise during the switching time.
Owner:PANASONIC CORP
Turnable capacitor and switch using MEMS with phase change material
InactiveUS20110038093A1Advantages in terms of heat dissipationEasy to integrateNanoelectromechanical switchesCapacitor with electrode distance variationMultiplexerPhase change
The present invention relates to a MEMS, being developed for e.g. a mobile communication application, such as switch, tunable capacitor, tunable filter, phase shifter, multiplexer, voltage controlled oscillator, and tunable matching network. The volume change of phase-change layer is used for a bi-stable actuation of the MEMS device. The MEMS device comprises at least a bendable cantilever, a phase change layer, and electrodes. A process to implement this device and a method for using is given.
Owner:NXP BV
Frication stir welding flexibility tool for subway vehicle side wall
ActiveCN105033448AImprove versatilitySmall footprintWelding/cutting auxillary devicesAuxillary welding devicesShaped beamStructural engineering
The invention discloses a frication stir welding flexibility tool for a subway vehicle side wall. The frication stir welding flexibility tool comprises a pair of I-shaped beam bases, four square steel bases symmetrically arranged on the two sides of the I-shaped beam bases respectively, multiple locating and clamping mechanisms installed on the square steel bases in a sliding manner, multiple beams installed on the I-shaped beam bases in a sliding manner and a turnover mechanism. Every two adjacent beams are connected with a pair of rotary welding joint supporting strips and a pair of fixed welding joint supporting strips in a sliding manner. The tool is suitable for frication stir welding of the subway vehicle side wall; common features of existing and following projects are fully considered, the universality of the tool is improved; high cost for a newly-made tool is saved; the preparation cycle of tools for new projects is greatly shortened; the space and the position occupied by the tool are saved; the project production tool switching time spent in the multi-project combined production process is shortened; the accuracy and uniformity of the tool are guaranteed; and the capacity is improved. The tool is good in reliability, simple in structure, high in efficiency and suitable for practical application.
Owner:NANJING ZHONGCHE PUZHEN URBAN RAIL VEHICLE CO LTD
Ophthalmological instrument
ActiveUS7871164B2Improve applicabilityShort switching timeEye diagnosticsOptical elementsVisual perceptionPhysics
A homogeneously illuminating ophthalmic instrument includes an illumination device having a source of illumination, a homogenizing unit and a projection device, at least one organic or inorganic source of radiation with spectrally selective emission being used as a source of illumination. The illumination generated in this way enables correspondingly adapted visual and / or digital observation, recording or display of the examined regions of the eye by a visualizing unit.
Owner:CARL ZEISS MEDITEC AG
Main-standby rotation realizing method facing to high-side exchange board
InactiveCN1529459AShort switching timeExtended run timeData switching networksComputer hardwareNetwork packet
When detecting failure of master control board, standby master control board informs each interface board into 'operation for rearranging master / standby state' first. Then a series of operation is carried out including: each module prohibits CPU to process data packets delivered; cleaning up list items in second layer protocol, in third layer protocol and in interface; standby board is becomes new master control board; service board registers to the new master control board; after registering, starting to clean up hardware settings, and the new master control board creates interfaces, down loads stored operating configuration file; allowing data packet to be sent to CPU, enabling configuration management so as to finish rearrangement. Moreover, fault recovery is carried out for original master control board. The recovered board being started up becomes standby board. The method makes exchange system possesses shortest time for rearranging master / standby state, and longest running time.
Owner:BEIJING HUAWEI DIGITAL TECH
Stacked organic memory devices and methods of operating and fabricating
InactiveUS6870183B2Facilitate charge transferShort resistance/impedance switch timeNanoinformaticsSolid-state devicesOrganic memoryHigh density
The present invention provides a multi-layer organic memory device that can operate as a non-volatile memory device having a plurality of stacked and / or parallel memory structures constructed therein. A multi-cell and multi-layer organic memory component can be formed with two or more electrodes having a selectively conductive media between the electrodes forming individual cells, while utilizing a partitioning component to enable stacking of additional memory cells on top of or in association with previously formed cells. Memory stacks can be formed by adding additional layers—respective layers separated by additional partitioning components, wherein multiple stacks can be formed in parallel to provide a high-density memory device.
Owner:MONTEREY RES LLC
Fast antenna testing device and method based on hardware triggering
ActiveCN103267902AReduce communication delayShort switching timesAntenna radiation diagramsMeasuring instrumentSwitching frequency
The invention discloses a fast antenna testing device and method based on hardware triggering. The device and method solves the problems of coordinated control of components such as a test turntable, a measurement instrument and a switch unit, and fast testing in a multi-probe antenna test in the prior art. The fast antenna testing device based on the hardware triggering comprises a main control computer, a vector network analyzer, a turntable controller, a triggering controller, a switch matrix, a receiving probe matrix, the test turntable and an antenna to be tested. By means of the fast antenna testing device and method based on the hardware triggering, communication delay is little, switching time of a switch is short, switching frequency is small, and total test time is short.
Owner:CHINA ELECTRONIS TECH INSTR CO LTD
Electrostatically actuated low response time power commutation micro-switches
InactiveUS7297571B2Lower average response timeHigh dielectric constantElectrostatic/electro-adhesion relaysCapacitor with electrode distance variationEngineeringRadio frequency
The field of the invention is that of microsystems of the electrostatically actuated microswitch type that are used in electronics to carry out switching functions, especially in the microwave field for mobile telephony and radars. The object of the invention is to improve the performance of the switch by reducing the response time of the device and by increasing the radiofrequency or microwave power supported, while still maintaining low switching voltages. This improved performance is obtained by using thick membranes and by placing a material of high relative permittivity between said membrane and the associated electrode. The switch is obtained by a novel production process, the membrane being produced on an independent substrate and then joined to the base substrate of the switch. Examples of processes for producing devices according to the invention with the materials that can be used, the possible geometries and the various production steps are given.
Owner:THALES SA
Radar level gauge with switch for selecting transmitter or receiver mode
ActiveUS7233278B2High sensitivityReduce signal lossRadio wave reradiation/reflectionElectromagnetic launchShortest distance
Owner:ROSEMOUNT TANK RADAR
Sharing route realizing and sheduling method
InactiveCN1423456ADoes not involve accessHigh speedData switching networksBiological activationSwitching time
A thread realization and dispatch method on data process operational platform relates to avoiding or reducing kernel thread switch, fully utilizing the processor efficiency and reducing system resources cost with the following stops: finishing design of thread controller, thread creation of thread bonding, starting operational thread activation, receiving items trigger transfer into operational state thread operation, finishing thread state switch, putting in order and operational array management thread dispatch and finishing clearance of thread data, releasing thread symbol, exit of thread of adjusting system thread numbers.
Owner:BEIJING ELECTRIC POWER ECONOMIC RES INST +1
Mechanical interlocking transmission device of double power supply automatic switching switch
InactiveCN101145454ASmall rotation angleImprove operational reliabilitySwitch power arrangementsSolenoid valveTransfer switch
A mechanical interlock transmission device for dual-power automatic transfer switches is provided, which comprises a motor, a speed reducing mechanism, upper and lower fixed plates, a transmission main shaft, first and second slippers, first, second, third and fourth micro-switches, and a cam rotary disk. The invention is characterized in that the device further comprises a solenoid valve, a main gear, a main gear shaft, and an intermediate shaft, wherein the solenoid valve is fixed below the upper fixed plate and is provided inside with a solenoid valve plug and a second return spring; the main gear is fixed below the upper fixed plate by the main gear shaft and engaged with a pinion of the speed reducing mechanism; the top end of the intermediate shaft is inserted into a gear shaft hole of the main gear shaft and the bottom end thereof is covered with a first return spring and then inserted into a central shaft hole of the transmission main shaft; the middle part of the intermediate shaft is provided additionally with a clutching toothed block seat on which a clutching toothed block is formed and engaged with a clutching toothed socket of the top of the transmission main shaft. The invention has the advantages of small motor rotation angle, short switching time, improved operational reliability of the circuit breaker, long service life, and easy manual operation.
Owner:CHANGSHU YONGXIANG ELECTROMECHANICAL
THz (Terahertz) wave modulator
The invention discloses a THz (Terahertz) wave modulator. The THz wave modulator comprises a semiconductor substrate (1), MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) arrays (2), metamaterial resonance unit arrays (3), a first metal plate (4) and a second metal plate (5), wherein THz wave can permeate the semiconductor substrate (1), the MOSFET arrays (2) are distributed on the semiconductor substrate (1) according to a certain period, the metamaterial resonance unit arrays (3) are prepared on the MOSFET arrays (2), the first metal plate (4) is connected with a source electrode and a drain electrode of each MOSFET, and the second metal plate (5) is connected with a grid electrode of each MOSFET. According to the THz wave modulator disclosed by the invention, the working voltage of the MOSFET is very low, and thus the THz wave modulator prepared by the MOSFET can work under low voltage; and the switching time of the MOSFET is extremely short, the magnitude order of the switching time is 10-100ns, and thus the modulating rate of the THz wave modulator prepared by the MOSFET is larger than 10MHz.
Owner:SOUTHEAST UNIV
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