86results about How to "Reduce wake up time" patented technology

Methods and apparatus for adaptively adjusting temporal parameters such as e.g., wake-up times of digital tracking algorithms (such as timing, frequency and power control). In one exemplary embodiment, wake-up times for tracking loops are based on success/error metrics (e.g., Block Error Rate (BLER), Bit Error Rate (BER), Packet Error Rate (PER), Cyclic Redundancy Checks (CRC), etc.) of one or more previous discontinuous reception (DRX) cycles. In a second embodiment, wake-up times for tracking loops are based on residual frequency and timing errors, etc.

The invention relates to a method for shortening the wakeup time of a mobile terminal through the prediction of user wakeup intention. The mobile terminal has a work state and a sleep state. The method is characterized in that the mobile terminal is further provided with a pre-wakeup state. The method comprises the following steps: 1) a sensor responds to an external operation which satisfies a triggering condition to wake up a CPU (Central Processing Unit) when the mobile terminal is under the sleep state; 2) the CPU judges a reason why the CPU is woken up, and a step 4) is executed when the CPU is woken up by the sensor's response to the external operation, and a step 3) is executed if the CPU is not woken up by the sensor's response to the external operation; 3) the CPU judges the reason why the CPU is woken up, a step 5) is executed if the CPU is woken up by a wakeup module; 4) the mobile terminal enters the pre-wakeup state, a plurality of peripheral devices work, and a screen does not work; and 5) the wakeup module responds to the external operation to wake up the mobile terminal, and the mobile terminal enters the work state. The method has the advantages of being simple in steps, convenient in implementation and favorable in user experience.

A method for operating a first station configured to transmit data includes transmitting during a paging window, a first frame to page a second station, the first frame including an identifier associated with the second station, and generating a second frame including first timing information for a first time period to be subscribed by the first station for transmitting data to the second station, the first time period occurring after the paging window. When a third frame is received after a pre-specified short interval after transmitting the first frame, the third frame acknowledging the first frame, the method includes transmitting the second frame after the pre-specified short interval after receiving the third frame, and transmitting the data during the first time period.

A fast wake-up crystal oscillating circuit includes: a crystal oscillator for generating oscillation signal, an amplifier set, a feedback resistor, first and second triggers and an amplifier switch logic. The amplifier set amplifies the oscillation signal. The feedback resistor supplies DC operation bias to the amplifier set. The first trigger has an input connected to the output of the amplifier set so that the first trigger is triggered by the amplified oscillation signal to generate a first clock. The second trigger has an input connected the output of the amplifier set so that the second trigger is triggered by the amplified oscillation signal to generate a second clock, wherein the second trigger has a hysteresis voltage higher than a predetermined value. The amplifier switch logic is connected to the second trigger to gradually decrease the amplification of the amplifier set when detecting that the second trigger generates the second clock.

There is provided a bit line voltage supply circuit for reducing leakage current flowing from bit lines to a memory cell without substantially deteriorating the performance of a semiconductor memory device. A bit line voltage switch applies a first supply voltage to a bit line pair in response to a first switch control signal, and applies a second supply voltage having a lower voltage than the first supply voltage to the bit line pair in response to a second switch control signal. A bit line voltage controller controls the first and second switch control signals so that the second supply voltage is supplied to the bit line pair during a standby mode, and the first supply voltage is supplied to the bit line pair when the semiconductor memory device changes from the standby mode to an operational mode for a predetermined time period.

The embodiment of the invention discloses a method for awakening a smart device for speech recognition. The method comprises the steps of entering the speech detection state after determining that a first portion of a user holding a first smart device faces a second smart device, and conducting speed recognition after detecting speech energy in the speech detection state. According to the scheme, the second smart device is awaken for speech recognition without using an awakening word, that is to say, the second smart device is awaken before a user speaks the awakening word, so that awakening time is shortened and awakening efficiency is improved. Furthermore, the second smart device is awaken for speech recognition only after the first portion of the user holding the first smart device faces the second smart device, and the situation that the second smart device is in a constantly awaken state is avoided, so that power consumption of the second smart device is reduced and user experience is improved.

The invention discloses a controller low-power-consumption starting method and device, computer equipment and a storage medium. The method comprises the steps that receiving a command sent by a host;judging whether the command enters a low-power-consumption command or exits the low-power-consumption command;if the low-power-consumption command exits, enabling the CPU 0 to operate the starting code; enabling a running pointer of the CPU 0 to jump to a zero address of the low-power-consumption awakening project; restoring a register value of an interface module in the solid state disk controller; taking out a register value from the dynamic random access memory, and re-assigning the value; recovering the memory area data stored in the dynamic random access memory; and resetting other CPUs except the CPU0, and enabling the firmware to run again. By means of the method, original CPU instructions and firmware stacks are stored. In the wake-up process, operations of stack initialization andfirmware reading from the memory are not needed, so that the wake-up time is shortened.

There is provided a band gap reference voltage generation circuit capable of reducing wake up time during transition from an idle mode to a normal mode and further capable of removing the RF noise of an output voltage. The band gap reference voltage generation circuit includes an operation amplifier for outputting a uniform voltage in accordance with a reference voltage input to an inversion terminal and a non-inversion terminal; a first-type first transistor for outputting a power source voltage in accordance a power down signal; a first-type second transistor for outputting bias current corresponding to an output voltage from the operation amplifier using an output voltage from the first-type first transistor; a reference voltage circuit for supplying a reference voltage to the inversion terminal and the non-inversion terminal using the bias current; a second-type first transistor different from the first-type first transistor for supplying a base voltage to the output port of the operation amplifier in accordance with the power down signal; a start up circuit for driving the entire circuit during power up; a first node between the second-type second transistor and the reference voltage circuit; and an output terminal connected to the first node.

The invention provides a vehicle keyless entry method and system. The keyless entry method comprises the following steps: by a PEPS controller, receiving the signal of a door handle switch sensor, awakening a CAN bus, and awakening a BCM through an LIN bus; by the PEPS controller, sending a vehicle door operation instruction and a first secret key to the BCM through the LIN bus; by the PEPS controller, awakening a key, and sending a second secret key to the key; and by the BCM, receiving the vehicle door operation instruction, the first secret key and a third secret key produced by encrypting the second secret key through the key, authenticating the first secret key and the third secret key, and when authentication succeeds, executing corresponding operation according to the vehicle door operation instruction, wherein the vehicle door operation instruction is associated with the state information of a vehicle after the former keyless entry operation. By adopting the method and the system, vehicle network awakening time required by keyless entry schemes can be effectively reduced.

The invention also provides a computer power source management device and method. The device includes detection element, decision element, and computer control element. The detection element detects the user is in front of computer or not, and the detection result is sent to the decision element; and the decision element is used to obtain the state of operation system, and the relative control signal is sent to the computer control element according to operation system state and the user's state from the detection element; and said computer control element is used to receive the control signal form the decision element, when the control signal is effective signal, the computer will do relative operation, and the computer enters the power source management mode set by the user. The device and method of invention can make the user operate the computer, and reduce the power consumption at the same time.

A liquid crystal display includes a system and a liquid crystal module. The system detects an input frame frequency, generates a DISP signal indicating the input of an abnormal signal at a high logic level when the detected frame frequency is within a previously determined range, and generates the DISP signal at a low logic level when the detected frame frequency is beyond the previously determined range. The liquid crystal module includes a signal processing unit which selectively outputs digital video data for implementing a normal screen and digital black data for implementing a black screen in response to the DISP signal.

The invention relates to a compound anesthetic for dogs, which belongs to the technical field of veterinary drug preparation and is suitable for stopping and anesthetizing dogs. The preparation methodof the compound anesthetic for dogs comprises the following steps: sequentially dissolving 0.3g of citric acid, 1g of sodium citrate, 0.09g of methyl p-hydroxybenzoate, 0.01g of propyl p-hydroxybenzoate, 8g of ketamine hydrochloride, 0.2g of midazolam hydrochloride and 0.9g of xylazine hydrochloride into water for injection for preparing each 100ml of solution, filtering the solution, filling andsealing the solution into an ampoule, and sterilizing to obtain the compound anesthetic. The compound anesthetic for dogs preferably selects the formula through an orthogonal test, integrates the advantages of each drug, greatly reduces the side effect when each drug is used singly, and has stable anesthetizing and waking processes. Compared with the prior art, the induction time, the maintainingtime, the stage of surgical anesthesia and the waking time are respectively shortened by 81.67%, 81.45%, 73.33% and 48.28%, and the anesthetizing controllability is greatly improved; the influence oneach physiological parameter is little; and moreover, the compound anesthetic is taken intravenously, thus the dose can be supplemented for many times according to the operation requirements, and thecompound anesthetic can be used for complicated operations and long-lasting operations.

The invention provides a low-power-consumption dormant device awakening method and system. The method comprises: S1, a sending device circularly sending an awakening code comprising a short lead codeand a receiving address according to a preset sending period; S2, the receiving device automatically awakening according to a preset awakening period and opening a corresponding wireless receiving module within a preset awakening duration, and detecting whether the awakening code exists in the air or not; S3, if the receiving device detects that the wake-up code exists in the air, analyzing whether a receiving address in the wake-up code is consistent with an address of the receiving device or not; S4, if the receiving address is consistent with the address of the receiving device, receiving asubsequent data packet, and entering a low-power-consumption dormant state after the data packet is received; otherwise, directly entering a low-power-consumption dormant state. The power consumptionin the awakening process of the low-power-consumption dormant device is reduced.

The invention discloses a point-to-point meter reading method. The method includes the following steps that a meter reading machine sends awakening commands to metering instruments within the range; the metering instruments within the range are set to be in the valid monitoring state according to the awakening commands; the meter reading machine sends meter reading commands to the metering instruments; the metering instruments send meter reading data to the meter reading machine according to the meter reading commands. Compared with the prior art, when the first metering instrument is awaken, the rest of the metering instruments within a certain range are awaken at the same time; when meter reading is conducted on the subsequent metering instruments, because the metering instruments have been in the valid monitoring state, the meter reading commands of the meter reading machine can be directly received without conducting awakening again. At the moment, only by sending the meter reading commands to all the metering instruments through the meter reading machine, all the metering instruments can correspondingly respond to return meter reading data, and therefore the awakening time of the subsequent instruments is saved, the total meter reading time can be shortened, and the meter reading efficiency can be improved.

The embodiment of the invention discloses a standby -state NR cell measurement method. . The method comprises the steps that an NR terminal obtains SSB configuration of a service cell and PO configuration of paging time; a plurality of measurement time SMTC periods is acquired based on a synchronization signal block of a plurality of frequency points to be measured, and pre-arranging the pluralityof SMTC periods according to the plurality of SMTC periods, SSB configuration and PO configuration to obtain a blueprint pattern of the period; an NR terminal determines a to-be-measured frequency point and the time position of the to-be-measured frequency point at any time alpha according to the given any time alpha and the blueprint pattern; and the NR terminal receives data according to the time position, and calculates a measurement value of a cell corresponding to the to-be-measured frequency point according to the data. The technical scheme provided by the invention has the advantages that the calculation amount is reduced, and the energy consumption is reduced.

The invention relates to a communication method, a communication device and a communication system capable of realizing ultra-low power consumption. The communication method comprises the following steps: carrier signals are received in a set time period; carrier signal values are detected; the carrier signal values are compared with a preset value, and whether data required to be received is judged; a control instruction is sent, and whether externally transmitted data are received or not is determined according to the control instruction. Time for wakeup of a receiving mode from a sleep mode is shortened, so that the power consumption of equipment is reduced greatly, and the standby service life of the equipment is prolonged greatly.