32results about How to "Reduce device power consumption" patented technology

A method for displaying an image viewable by an eye, the image being projected from a portable head worn display, comprises steps of: emitting a plurality of light beams of wavelengths that differ amongst the light beams; directing the plurality of light beams to a scanning mirror; modulating in intensity each one of the plurality of light beams in accordance with intensity information provided from the image, whereby the intensity is representative of a pixel value within the image; scanning the plurality of light beams in two distinct axes with the scanning mirror to form the image; and redirecting the plurality of light beams to the eye using a holographic optical element acting as a reflector of the light beams, whereby the redirecting is dependent on the wavelength of the light beam, to create for each light beam an exit pupil at the eye that is spatially separated from the exit pupils of the other light beams.

The invention discloses a resistive random access memory unit and a manufacturing method thereof. The resistive random access memory unit comprises a bottom electrode, a top electrode and a resistance change material laminated layer positioned between the bottom electrode and the top electrode, wherein the resistance change material laminated layer comprises at least two layers which are made of different resistance change materials and are directly contacted with each other. The resistive random access memory unit can be used for nonvolatile memories with high switch resistance ratio and high stability.

The invention discloses a phase change memory unit. The phase change memory unit comprises bottom electrodes, heating electrodes, a phase change unit and a top electrode from bottom to top, and the phase change unit is of a longitudinally arranged cylinder structure and comprises a cylindrical selection device layer, an annular barrier layer and an annular phase change material layer from inside to outside; the plurality of bottom electrodes and the plurality of heating electrodes are in one-to-one correspondence, the bottom electrodes, the heating electrodes and the phase change material layer are sequentially connected, and the selection device layer is connected with the top electrode. According to the invention, the phase change unit and the plurality of heating electrodes are combinedtogether to form a structure that a plurality of phase change resistors share one selection device, and different phase change resistors can be connected with the bottom electrodes positioned on different metal interconnection layers through respective heating electrodes, so that the area of the chip in the horizontal direction is not increased, high-density storage is realized, the phase changematerial and the heating electrodes are very thin, and the power consumption of the device can be effectively reduced.

The invention discloses a Bluetooth bidirectional communication intelligent lock, which comprises a mechanical part, a motor module, a controller module, a storage module, a clock module, a touch screen module, a sound module, a power supply module, a Bluetooth module, a shielding can, a doorframe contact, a departure button, an indicator light, a key controller module, a key power supply module, an input module, a key Bluetooth module, and a key clock module. The invention is characterized in that positions of a key and the intelligent lock can be effectively judged through the intensity of a Bluetooth signal; the intelligent lock and the key can recognize each other in a bidirectional communication manner; and a key code is sent after the recognition succeeds. Current time is taken as a secret key, and communication information is encrypted through an AES algorithm. In comparison with the prior art, the lock needs no person to approach a sensor, and is relatively simple in system and comparably low in power consumption. The key code is protected through bidirectional matching; the key is prevented from copying; and the transmission content can be changed in real time. Monitoring is prevented, and the lock is relatively safe.

A method implemented in a computer system that includes a host computer having a non-transitory memory for storing a computer software program and a processor for executing the software program, wherein the program includes a program code configured to cause the host computer to execute a process for network devices coupled to the host computer to use a network device selective suspend feature of an operating system (OS) that does not allow a network device selective suspend feature on a specific network device driver, which process includes the steps of providing a first driver stack and a second driver stack in a kernel space of the OS, creating a virtual device for the specific network device driver in the first driver stack to interact with user applications in a user space of the OS, and providing a separate driver for a physical device in the second driver stack to interact with a network device coupled to the host computer, wherein the separate driver is not prohibited by the OS to use the network device selective suspend feature for selective suspension of the network device coupled to the host computer.

The invention provides a communication method and a communication device for a wireless local area network, an access point and a station. The communication method for the wireless local area networkcomprises the steps of generating a unicast wake up frame, wherein the unicast wake up frame comprises first indication information, the first indication information is used for indicating the stationto receive a resource allocation information frame after receiving the unicast wake up frame, the unicast wake up frame is used for waking up a sleep station to receive data frames, and the resourceallocation information frame is used for allocating transmission resources to the awake station; and sending the unicast wake up frame to each sleep device. Through adoption of the communication method for the wireless local area network, a wake up receiver (WUR) can meet the communication demand of 802.11ax, the device power consumption is lowered effectively, further, the communication efficiency is improved.

The invention discloses a high-voltage power transmission line external force damage prevention monitoring device, which comprises front end equipment, a 3G (3rd generation) network and monitoring equipment, wherein the front end equipment is arranged on a power transmission line, the monitoring equipment is positioned in a monitoring room, the front end equipment comprises an image monitoring camera, a solar light absorption plate, a storage battery and 3G terminal equipment, the monitoring equipment comprises an image work station, a PC (personnel computer) work station and a short message calling device, the 3G terminal equipment of the front end equipment and the image work station of the monitoring equipment realize mutual communication through the 3G network, the image monitoring camera, the solar light absorption plate and the 3G terminal equipment are respectively connected with the storage battery, and the image work station and the short message calling device are respectively connected with the PC work station. The high-voltage power transmission line external force damage prevention monitoring device has the advantages that the remote real-time monitoring on the power transmission line is convenient, the work load of line operation personnel is reduced, and the like.

The invention provides a precious object low-temperature preservation system. The precious object low-temperature preservation system comprises an airtight space, and a refrigeration system consisting of a condenser, a refrigeration compressor, an evaporator and an air blowing component, wherein air return channels communicated with each other are respectively formed in the side walls and the bottom of the airtight space; an air inlet is formed in the air return channel in the bottom; an air flow stabilizing layer is arranged at the top of the airtight space; the evaporator is mounted at the top of the airtight space, and is communicated with the airtight space; and the condenser and the refrigeration compressor are mounted out of the airtight space. The precious object low-temperature preservation system can acquire temperature parameters in the airtight space in real time, and adjusts the temperature in the airtight space through the refrigeration system. Meanwhile, the special structure of the airtight space guarantees the control precision and uniformity of the temperature in the space, realizes intelligent temperature control, satisfies the preservation environmental requirements of precious objects, and accords with the requirements of product simpleness, stability and reliability of users.

The invention discloses a navigation and location method based on signal strength in a communication network, which is mainly applied to underwater location. The invention proposes a method for measuring distance by using signal propagation loss between a location entity and a node; by receiving the signal strength of the signal of the location entity between the nodes, the propagation loss coefficient and the background environment noise are measured in a target marine environment; a received signal can be used for quickly obtaining the distance between the location entity device and the fixed node and quick location is carried out. The method is free from the dependence of the traditional time location method on the clock and the synchronization process, reduces the demand of the networkfor the location entity device and the node, can use the communication signal to carry out strength calculation; in the communication process, the distance between the location entity and the node ismeasured in real time; and low-power-consumption quick location in the underwater communication network is achieved.

The invention discloses a non-blocking request processing method and device. The non-blocking request processing method comprises the following steps: receiving a non-blocking request from a requester; determining the execution accomplishment estimated time of the non-blocking request; and sending the execution accomplishment estimated time to the requester. The execution accomplishment estimated time of the non-blocking request is provided for a receiver, thereby avoiding the situation of repeatedly attempting to acquire the execution result since the request execution accomplishment time cannot be estimated, the workload and the equipment consumption of the requester and the receiver caused by repeatedly executing the execution result to acquire the request can be relieved.

The invention relates to a CAN communication circuit in equipment, which comprises an MCU1, an MCU2 and a CAN node connecting circuit, the MCU1 and the MCU2 are connected through the CAN node connecting circuit, the MCU1 and the MCU2 are processors with CAN transceiving functions, the CAN node connecting circuit comprises a pull-up resistor R1, a first diode D1 and a second diode D2, one end of the pull-up resistor R1 is connected with a VDD, the other end of the pull-up resistor R1 is connected with a power supply, and the other end of the pull-up resistor R1 is connected with a power supply. The other end of the pull-up resistor R1 is connected with the CAN1RX of the MCU1, the CAN2RX of the MCU2, the anode of the first diode D1 and the anode of the second diode D2; the cathode of the first diode D1 is connected with the CAN1TX of the MCU1; and the cathode of the second diode D2 is connected with the CAN2TX of the MCU2. According to the CAN communication circuit, a special CAN transceiver chip is removed while the CAN bus communication function is guaranteed, the BOM cost of equipment is reduced, the power consumption of the equipment is reduced, and the PCB arrangement space is saved.

The invention discloses a multi-service bus transmission system based on FSK modem. The multi-service bus transmission system comprises a plurality of device nodes. Each device node comprises a bus transmitter and a user information access unit connected with the bus transmitter through a user interface. Each bus transmitter comprises a control assembly for controlling each medium connected with a bus to realize information access, and an FSK modem unit in communication connection with the control assembly; and each bus transmitter is in communication connection with each device node through an external bus to form a multi-service bus transmission communication link. According to the multi-service bus transmission system and data transmission method based on the FSK modem, field bus transmission technology based on an FSK modem mode is provided, and the system has the function of realizing bus transmission in twisted pairs, and meanwhile, has the advantages of long transmission distance, low device power consumption, good real-time performance and high bandwidth and the like.

Embodiments of the invention disclose a smart device regulation and control method and apparatus. The method comprises: judging whether a moving object exists within a target area range corresponding to a target device; if the moving object exists, obtaining a target age value of the moving object within the target area range; and according to the target age value, controlling the target device to adjust a working mode to a target working mode corresponding to the target age value. By implementing the smart device regulation and control method and apparatus disclosed by the embodiments of the invention, the working mode of a household appliance can be smartly and automatically adjusted without the need for active participation of a user, so that the power consumption of the device is reduced and the energy waste is reduced.

An integrated artificial neuron device includes an input signal node, an output signal node and a reference supply node. An integrator circuit receives and integrates an input signal to produce an integrated signal. A generator circuit receives the integrated signal and, when the integrated signal exceeds a threshold, delivers the output signal. The integrator circuit includes a main capacitor coupled between the input signal node and the reference supply node. The generator circuit includes a main MOS transistor coupled between the input signal node and the output signal node. The main MOS transistor has a gate that is coupled to the output signal node, and a substrate that is mutually coupled to the gate.

The invention discloses a railway outdoor signal device monitoring system based on an NBIoT (narrow band internet of things). The system comprises a railway outdoor signal device data acquisition unit, a railway outdoor signal device monitoring management platform and a mobile terminal, a railway outdoor signal device mainly comprises a turnout switching device, a track circuit, a signal machine,a box and the like, and a railway signal is a general name of manual control, automatic control and remote control technologies for ensuring driving safety and improving passing capability and codingand decoding capability of sections and stations in a railway transportation system. By the aid of the NBIoT technologies which have the advantages of low power consumption and wide signal covering range, running states of railway outdoor signal devices such as the turnout switching device, the track circuit, the signal machine and the box affecting driving safety are monitored.

The invention discloses a roller-type leveler for a metal plate. The roller-type leveler for the metal plate comprises a motor, a power gear case, upper leveling rollers, lower leveling rollers, supports and a machine body, wherein the power gear case and the supports are fixedly arranged on the machine body; the power gear case is driven by a motor; both ends of each upper leveling roller and both ends of each lower leveling roller are respectively connected onto the supports; all the upper leveling rollers and the all the lower leveling rollers are respectively connected with the power gear case through universal spindle couplings. According to the leveler disclosed by the invention, the bending deflection of the metal plate can be reduced, so that multiple original curvature are gradually turned into single curvature, and finally, the metal plate is leveled so as to reach the leveling accuracy of the process requirement; the roller-type leveler for the metal plate cab be applied to leveling the metal plate with various specifications.

The invention discloses a disc cutter cutting sampling and sample bag pull rope sample delivery type asteroid surface star soil sampler, and belongs to the technical field of asteroid detection sampling. The asteroid surface star soil sampler solves the problems that an existing planet surface star soil sampler lacks a guiding effect, so that the motion trail of a sampled product is not easy to control, and the sample collection efficiency is low. A sampling mechanism is communicated with a sample container through a sample delivery pipeline, a footage mechanism drives the sampling mechanism to realize linear feeding movement through a sample delivery pipeline, a pull rope is arranged in the sample delivery pipeline and a sample container in a penetrating manner, the lower end part of thesample delivery pipeline is arranged in a cover body in a penetrating manner and is fixedly connected to the top of the cover body, an opening end of a sample bag is arranged downwards and is arrangedat the lower end of the sample delivery pipeline in a sleeving mode, the bag bottom of the sample bag is arranged in the sample delivery pipeline and is connected to the sample delivery mechanism through the pull rope, a tightening rope is arranged at the opening end of the sample bag, the other end of the tightening rope is fixedly connected to the cover body, and a breaking notch is machined onthe tightening rope.

The invention relates to a method for achieving low power consumption of a timing photographing device for a power transmission line passageway. According to the method, power supply to a working unit is achieved through solar energy, lithium iron phosphate batteries or a super capacitor, and the working unit is arranged at the position of a power transmission line and is communicated with a background service side; the working unit comprises a control panel and a functional panel, and the control panel controls working time of a working panel and is responsible for timing turning-on and timing turning-off; the functional panel is connected with the background service side after being started and is used for checking system time and synchronizing the system time, turning-on time and turning-off time with the control panel; in a working period, the function panel collects information and uploads the information to the background service side, and after working is finished, the functional panel enters a sleep mode; except for the working time, power outage is completed by a managing unit, and within a non-working period, the control panel is in charge of power outage of the functional panel and automatically enters a sleep mode. The method has the advantage that low power consumption of the timing photographing device for the power transmission line passageway can be achieved effectively.

A WiFi-based portable unmanned aerial vehicle test system mainly comprises a test system body, an unmanned aerial vehicle and ground terminal equipment, and specifically comprises a communication module, a WiFi core module, a data storage module, a state display module, a clock module and a power supply module. Compared with a traditional unmanned aerial vehicle long-distance data transmission link, the test system mainly comprising the WiFi core module is installed on an unmanned aerial vehicle to realize close-range telemetry data and remote control instruction wireless transmission, power consumption and cost are reduced, the test system is suitable for durability tests, and the problems that a traditional test system is high in cost and too complex in preparation are solved.

The invention provides a positioning device control method, system and device based on network connection collaboration and a medium. The method comprises: receiving a transportation order generationnotification; obtaining transportation order information and user information associated with the transportation order; configuring a positioning equipment control strategy according to the transportation order information and the user information; and sending the positioning equipment control strategy to positioning equipment associated with the user information, wherein the positioning equipmentis configured to collect and upload positioning data according to the positioning equipment control strategy. By adopting the scheme of the invention, the positioning equipment control strategy is combined with the service, so that the time of the positioning equipment in a dormant or standby mode is prolonged to the maximum extent, the equipment power consumption is saved, and the endurance timeof the positioning equipment is prolonged.

The invention provides a reaction furnace and a cooling method. The reaction furnace comprises a furnace chamber, a graphite crucible arranged in the furnace chamber and an induction coil for heatingthe graphite crucible, wherein the furnace chamber comprises a chamber wall, a hollow space is arranged in the chamber wall, and the induction coil is arranged in the hollow space. According to the reaction furnace provided by the invention, the equipment power consumption can be reduced, so that the process cost can be reduced.

The invention discloses an environment-friendly recovering treatment technology based on foamed plastic. The technology comprises the following steps that Step 1, waste foamed plastic is cut, specifically, the waste foamed plastic is placed into a cutting box from the right side and is pushed leftwards through a pushing structure until one layer of the bottom surface is cut off by a bottom surface cutting assembly; and the left waste foamed plastic is pushed out from the left side, then the waste foamed plastic is inserted from the right side again in the other direction, and one layer of the other surface is cut off. The invention relates to the technical field of environmental protection. According to the environment-friendly recovering treatment technology based on the foamed plastic, a driving mechanism is arranged, so that the bottom surface cutting assembly and three sets of cutting assemblies can be driven to operate at the same time, a first steel wire of the bottom surface cutting assembly can cut off one layer of the dirty surface of the waste foamed plastic, after multiple surfaces are cut off, the rest is the clean foamed plastic, the foamed plastic can be directly recycled through simple cleaning in the later period, only a small amount of foamed plastic on the dirty surfaces needs to be cleaned and bleached, and the raw material consumption is low.

A method for measuring pilot frequency in wideband radio system includes measuring pilot frequency intensity of each sub-carrier wave, using interpolation means to obtain pilot frequency intensity data of full band and writing data in the first pilot frequency intensity table, changing measurement interval to obtain new pilot frequency intensity and new pilot frequency intensity data, writing newdata in the second pilot frequency intensity table, comparing two said tables and writing data in the second table onto the first one to decrease said interval if difference of two said tables is greater than a set value or otherwise writing data in the second table onto the first one to increase said interval.

The invention, which belongs to the field of power distribution, provides an adjustment ad treatment device for simulating grid high-power three-phase unbalance. The device comprises a switch device,a three-phase transformer, a three-phase unbalance host, an extension, and a user load. After the switch device is connected, the three-phase unbalance host detects the voltage and current of the three-phase power supply to calculate the power; and the grid three-phase unbalance is simulated by adjusting the load device. Therefore, a problem that the user is not easy to understand the three-phaseunbalance and the related studies can not be performed conveniently because of lots of energy consumption caused by the experiment is solved.

The invention belongs to the technical field of bar code reading, and discloses a bar code reading device with a reflector, which comprises a shell 1, a lens 2, an image sensor 3, a lighting module 4, an imaging reflector group 5 and a protective transparent screen 6. The lighting module 4 comprises two LEDs and three reflectors, and light emitted by the LEDs is reflected by the three reflectors for multiple times and then irradiates a target object. The imaging reflector group 5 comprises two reflectors, and a target image is reflected twice by the two reflectors and enters the lens 2 for imaging. The design that the reflectors are matched with the LEDs is adopted, far and near double-view-field illumination is formed, effective superposition is achieved in the whole code scanning area, and the effects of uniform illumination and no dark corner are achieved. Meanwhile, the reflectors isolate the light path of the LED directly irradiating the human eyes, so that the glare-free effect is realized.

The invention relates to a device and method for measuring the position of a mobile reflection target. The device comprises an infrared emission unit, an image acquisition unit and a control and processing unit which are arranged in a shell. The method comprises the steps that the control and processing unit controls the on-off of an infrared emission circuit so as to control an infrared LED lampto emit infrared light to the mobile reflection target; a global shutter CMOS photosensitive element of the image acquisition unit is controlled to shoot a mobile reflection target image; and the control and processing unit carries out differential processing on the front and back frames of bright and dark mobile reflection target images, removes the influence of ambient light to obtain a to-be-positioned image, and processes the mobile reflection target image by adopting Hough transform to obtain the position of the mobile reflection target. According to the invention, the influence of similar reflective objects and ambient light on the interference of the device can be reduced while more accurate measurement is realized.

The invention provides a constant velocity universal joint similar static torsion testing machine which comprises a base, a rotary loading device and a test angle adjusting device, the rotary loading device and the test angle adjusting device are arranged on the base, and an accompanying test shaft parallel to a test shaft is arranged between the test angle adjusting device and the rotary loading device. The rotation loading device comprises a torque loading device, a rotation driving device and a first transmission gear box, the test angle adjusting device is provided with a second transmission gear box, and one end of the accompanying test shaft is connected with one end of the test shaft through the first transmission gear box. The other end of the accompanying test shaft is connected with the other end of the test shaft through the second transmission gear box, the torque loading device is connected with the accompanying test shaft and applies torque to the accompanying test shaft, the rotation driving device is connected with the accompanying test shaft and drives the accompanying test shaft to rotate, and the first transmission gear box and the second transmission gear box are reduction gear boxes. And the torque borne by the accompanying test shaft is smaller than that borne by the test shaft. And the equipment power consumption and the equipment maintenance cost are effectively reduced.

The invention discloses a highway pavement congelation detector, and relates to the technical field of congelation detection. The highway pavement congelation detector comprises a base, a driving assembly and a limiting mechanism; a supporting rod is fixedly connected to the top of the base, a connecting rod is connected to the top of the supporting rod through a bearing, and a buffer device is arranged on the outer side wall of the base; the driving assembly is used for driving internal mechanisms of the device to work; and the limiting mechanism is driven by the driving assembly, and the limiting mechanism is used for limiting the position of the connecting rod. By using the detection system and adopting general chips and parts for standardized design, the production cost is greatly reduced, a reasonable circuit and a dormancy mechanism are designed to greatly reduce the equipment power consumption, and the product appearance process is optimally designed to reduce the influence of outdoor extreme weather, a big data analysis technology is adopted for online deployment of the cluster server, and the practicability and reliability of collected data are enhanced.

The embodiment of the invention relates to the technical field of face recognition, and discloses a non-screen face recognition calibration method and device, non-screen face recognition equipment and a storage medium. The method comprises the following steps: acquiring a target image by using an image acquisition module; performing face detection on the target image, and evaluating face quality according to a face detection result; when the evaluation result of the face quality is not in the preset range, using light or / and sound to remind to collect a new target image until the evaluation result of the new target image is in the preset range; and performing face recognition on the target image of which the evaluation result is within a preset range to confirm the identity of the person. By implementing the embodiment of the invention, various costs can be saved while rapid identification can be realized.