148results about How to "Improve consumption efficiency" patented technology

There is provided a method and apparatus for transmitting a frame which is performed by a transmission STA in a WLAN system. The method of transmitting a frame according to the present invention includes generating an MAC Protocol Data Unit (MPDU) to be transmitted to a target station, generating a PLCP Protocol Data Unit (PPDU) by attaching a Physical Layer Convergence Procedure (PLCP) header to the MPDU, and transmitting the PPDU to the target station. The PLCP header comprises a partial Association ID (AID) of the target station.

A method of a transmission station (STA) transmitting a frame in a Wide Local Area Network (WLAN) system is provided. The method includes transmitting a Direct Link Setup (DLS) request frame, requesting direct link setup with a destination STA, to an Access Point (AP) and receiving a DLS response frame from the AP in response to the DLS request frame, wherein the DLS request frame comprises an Association ID (AID) allocated from the AP to the transmission STA in a process of the transmission STA being associated with the AP.

This invention relates to certain rubber formulations which exhibit a low level of hysteresis which are comprised of a chemically functionalized renewed rubber and virgin solution styrene-butadiene rubber. These rubber formulations are loaded with a reinforcing silica. The rubber formulations of this invention can be utilized in making rubber products such as, tires, tracks, and conveyor belts which will promote energy savings by virtue of their low hysteretic properties. The present invention more specifically discloses a rubber composition which is comprised of (1) a solution styrene-butadiene rubber; (2) a functionalized renewed rubber composition which is comprised of an elastomeric polymer and a stabilizer; wherein the rubber composition has a crosslink density which is within the range of 0.05 to 2.0×10⁻⁵ mole/g, and wherein the rubber composition has a solubility fraction of less than 90 percent; and (3) a reinforcing filler including reinforcing silica.

The present disclosure is directed to a system and method of authenticating a user's face with a ranging sensor. The ranging sensor includes a time of flight sensor and a reflectance sensor. The ranging sensor transmits a signal that is reflected off of a user and received back at the ranging sensor. The received signal can be used to determine distance between the user and the sensor, and the reflectance value of the user. With the distance or the reflectivity, a processor can activate a facial recognition process in response to the distance and the reflectivity. A device incorporating the ranging sensor according to the present disclosure may reduce the overall power consumed during the facial authentication process.

A transmit power control method of a first station in a wireless LAN (WLAN) system includes: receiving path loss information from an (access point) AP, the path loss information containing a maximum value among path losses between the AP and at least one or more stations included in the WLAN system; controlling a transmit power by using the path loss information; and transmitting a frame according to the controlled transmit power. In said controlling the transmit power by using the path loss information, the transmit power is controlled by using a path loss obtained by adding the maximum value and a path loss between the first station and the AP or by using the path loss between the first station and the AP.

A universal power supply system having a power supply configured to generate a predetermined direct current output sufficient to simultaneously power a plurality of direct current powered devices connected thereto. A plurality of identical sockets are electrically coupled in parallel with the direct current output of the power supply. Individual power cables having a standardized first plug which fits into the sockets at one end and a device specific second plug at an opposing end. A voltage regulating circuit is operatively disposed in either the standardized first plug or device specific second plug which converts the intermediate direct current voltage generated by the power supply to a direct current voltage required by a particular direct current powered device.

A cleaning robot and a control method thereof may improve power consumption efficiency by using low-voltage power for a moving or inspecting operation and performing the moving or inspecting operation while operation of the cleaning unit is stopped when the operation of the cleaning unit is not needed. The cleaning robot includes a battery, a moving unit, a cleaning unit, a power converter which converts and outputs power supplied from the battery into a first voltage driving the moving unit and a second voltage driving the cleaning unit, and a controller which supplies power having the first voltage to the moving unit so as to drive the moving unit and supplies power having the second voltage to the cleaning unit so as to perform a cleaning operation. The controller continues driving the moving unit but stops driving the cleaning unit when the cleaning robot moves on an already cleaned area.

In a drive of a stepping motor, an electromotive force is generated on the coil of a motor with a sinusoidal wave having the same period as an energization period by smoothly rotating a rotor with microstep driving, and an induced power is stably detected by detecting the electromotive force at the zero cross of driving current. The detection around the current zero cross makes it possible to shorten a detection section, form a driving waveform with few distortions, and perform driving with a driving waveform as in an ordinary micro step. Thus a circuit is provided which is aimed at reducing noise, vibrations, and loss of synchronization, and increasing current consumption efficiency in the determination of stop.

A color image forming apparatus includes an image forming section that is configured to adopt an intermediate transfer system for three colors of cyan, magenta and yellow, and a direct transfer system for black. A transfer medium is conveyed to a transfer medium convey belt. Cyan, magenta and yellow are intermediately transferred by an intermediate transfer belt and a secondary transfer roller. Black is directly transferred by a black photoconductor body and a transfer roller. Toners of the respective colors are fixed by a fixing device.

An integral communication device and method for controlling the integral communication device are provided for expanding the communication capability of a mobile terminal. An integral communication device of the present invention includes a plurality of communication modules that operate with different communication standards, a connector having terminals for electrical connection to a mobile terminal, a switch for switching the terminals of the connector between the communication modules, and a device controller for controlling the switch to establish electric links to the communication modules individually.

An exemplary printed monopole multi-band antenna comprises a common radiator element, a first radiator arm connected to the common radiator element and a second radiator arm connected to the common radiator element. Electromagnetic coupling between the first radiator arm and the second radiator arm contributes to and/or shifts the resonance of the first radiator arm and the second radiator arm, thereby allowing the multi-band antenna to be tuned such that the first radiator arm is capable of resonating at a first frequency range and at a second frequency range, and the second radiator arm is capable of resonating at a third frequency range.

The present invention relates to an energy storage module system and, more specifically, to a hybrid energy storage module system selectively using, according to the amount of power required in a load, a lithium battery and a lead storage battery by mutually supplementing the lithium battery and the lead storage battery. According to the present invention, the hybrid energy storage module system is an energy storage module system for supplying power necessary for the driving of a load and comprises an energy storage device, a first sensing unit and a second sensing unit, and a controller. The energy storage device includes at least one lithium battery module and at least one lead storage battery module. In addition, the energy storage device includes a switching network configured so as to connect the lithium battery module and the lead storage battery module in different arrangement modes. The energy storage device is connected to both ends of a load and supplies power. The switching network can include a path for connecting the lithium battery module and the lead storage battery module, and a plurality of switches provided on the path. The first sensing unit is configured so as to measure the temperature and the voltage of the lithium battery modules, and the second sensing unit is configured so as to measure the temperature and the voltage of the lead storage battery module. The controller controls the switching network in order to change the arrangement modes of the lithium battery module and the lead storage battery module of the energy storage device.

Disclosed is a 5G or a pre-5G communication system to support a higher data transmission rate than a system after a 4G communication system such as LTE. A wireless communication method by a terminal according to one embodiment may include the operations of: identifying information indicating a type of each of multiple wireless networks, a strength of each of signals received from the multiple wireless networks, respectively, and power consumption of the terminal; selecting one wireless network among the multiple wireless networks on the basis of the information and the strength of each of current signals received from the multiple wireless networks, respectively; and communicating with the selected wireless network.

The embodiment of the invention provides a message consumption method and device and a readable storage medium. fThe message consumption method comprises the following steps: caching each message to afirst target message queue corresponding to a target partition, sending the maximum offset of the message in each message to a Kafka server to obtain at least one message after the maximum offsetd, so that the at least one message after the maximum offset can be obtained without waiting for the completion of the processing of a batch of obtained messages, and the rate of obtaining the messages from the Kafka server is increased to a certain extent. The messages can be acquired from the first target message queue through the plurality of first threads in the thread pool corresponding to the first target message queue, and the messages are consumed, so that the message consumption efficiency is improved.

The invention discloses an air-conditioner condensed water recycling device which comprises a refrigerant pipeline and a condensed water pipeline, wherein both ends of the condensed water pipeline are respectively provided with a condensed water inlet and a condensed water outlet; both ends of the refrigerant pipeline are respectively provided with a refrigerant inlet and a refrigerant outlet, and at least one part of the refrigerant pipeline is sleeved in the condensed water pipeline. The temperature of refrigerant is further reduced by carrying out the heat exchange between condensed water generated in the process of refrigeration and the refrigerant in an air-conditioner refrigerating system. On this condition, the invention also discloses the air-conditioner refrigerating system utilizing the air-conditioner condensed water recycling device.