1122results about How to "Avoid power consumption" patented technology

An IC Card may include electronic components to receive a power supply and a main clock signal by a reader device. The power supply may be provided to a subset of the electronic components during a main clock stop status wherein the main clock signal is suspended for avoiding a maximum power consumption threshold. The IC Card may also include a low precision clock included in the subset of electronic components for measuring time in the main clock stop status.

A photovoltaic unit is disclosed comprising a plurality of sub-units connected in series, each sub-unit having a main input and a main output, which main output is connected to the respective main input of a neighbouring sub-unit, each sub-unit further comprising a segment comprising one or more series-connected solar cells, and a supplementary power unit, wherein the supplementary power unit is configured to at least one of receive power from or supply power to the neighbouring sub-unit. The supplementary power unit is preferably a DC-DC converter, and arranged to exchange energy between neighbouring segments, without requiring a high-voltage connection across the complete string (of more than 2 segments). The converter may be inductive or capacitive.A DC-DC converter configured for use in such a unit is also disclosed, as is a method of controlling such a photovoltaic unit.

An embodiment of the invention provides a method and a device for clearing malicious power consumption applications, and a user terminal. Background work power consumption of applications running in the user terminal is periodically counted, the applications with the background work power consumption not lower than a power consumption threshold value are determined as the malicious power consumption applications, wake lock holding time of each application running in the user terminal with a screen closed is periodically counted, if a certain application with the holding time not shorter than a set time threshold value is a background work application, the application is determined as a malicious power consumption application unreasonably occupying resources in background, the applications with high power consumption but normally used by a user are not malicious power consumption applications, the malicious power consumption applications can be accurately positioned and detected, unnecessary power consumption of the user terminal is avoided while usage experience of the user is ensured, electric energy is saved, and the battery life of the user terminal is prolonged to a certain degree.

An object of the present invention is to prevent from concentrating communication on one terminal, thereby avoiding an increase in power consumption and thereby prolonging the network configuration time when forming a network by a plurality of devices. A wireless communication device Pa established as a master receives battery information including battery remaining amount, communication possible time, a possibility of becoming a master, from wireless communication devices Pb, Pc, Pd established as slaves within a wireless network, and decides a candidate terminal for the next master based on the battery information. A master / slave switching instruction is issued to a candidate terminal for the next master from the wireless communication device Pa, under a master / slave switching condition, when the battery remaining amount of the master becomes the established value or less, and the like. This can prevent from concentrating communication on one terminal, so to make the power consumption of the respective terminals uniform and prolong the configuration time of the wireless network.

A portable surveillance camera and a personal surveillance system are disclosed. More specifically, provided are a portable surveillance camera comprising a mini-camera such as a CMOS camera or a CCD camera, and a system for surveilling a predetermined place using the portable surveillance camera. The personal surveillance system receives multimedia data such as image, sound, event and control data on real time from the portable surveillance camera installed in various areas such as a house, a shop or an office with a control device connectable to a network such as a LAN or an internet, and then monitors or stores the multimedia data. Also, the personal surveillance system can search, surveille, control, edit and store multimedia data such as image, sound, event and control data for a desired period of time from data stored in the portable surveillance camera or the control device.

An apparatus including a section acquiring the information as to the information processor of the delivery destination in the second network, a section alternatively providing service to an access from the first network by using the acquired information, a section receiving and delivering the information from the first network by using the alternatively supplied service, a section changing the information processor of the delivery destination in the second network to the service providing state, when the apparatus receives the information including the contents from the first network and the information processor of the delivery destination in the second network is not in the service providing state, it is possible to change the information processor of the delivery destination to the service providing state and deliver information including the contents to the information processor of the delivery destination.

A power supply system comprises a parallel arrangement of a linear amplifier (LA) and a DC-DC converter (CO). The linear amplifier (LA) has an amplifier output to supply a first current (II) to the load (LO). The DC-DC converter (CO) comprises: a converter output for supplying a second current (12) to the load (LO), a first inductor (L1), and a switch (SC) coupled to the first inductor (L1) for generating a current in the first inductor (L1), and a low-pass filter (FI) arranged between the first inductor (L1) and the load (LO). The low pass filter (FI) comprises a first capacitor (C1; CA) which has a first terminal coupled to the switch (SC) an a second terminal coupled to a reference voltage level (GND), and a second inductor (L2; LC) which has a first terminal coupled to the first inductor (L1) and a second terminal coupled to the load (LO). The low-pass filter further comprises, either: (i) a series arrangement of a second capacitor (C2) and a damping resistor (R2), which series arrangement is arranged in parallel with the first capacitor (C1), or (ii) a parallel arrangement of a third capacitor (CB) and a damping resistor (RB) arranged in series with the first capacitor (CA), or (iii) a series arrangement of a third inductor (L3) and a damping resistor (R3), which series arrangement is arranged in parallel with the second inductor (L2), or (iv) a parallel arrangement of a fourth inductor (LD) and a damping resistor (RD), which parallel arrangement is arranged in series with the second inductor (LC).

A feature extracting unit obtains sensor data from a plurality of sensors to calculate each feature. When an event determining unit determines the occurrence of an event based on each feature, a display data constructor generates remote-controller display data for displaying the event, and controls a remote-controller display device to display the remote-controller display data. When a user decision is input from a user input IF based on this display, a control unit controls the sensors to be turned ON or OFF. When an infrared sensor detects an abnormality, a microwave sensor whose power consumption is small after the infrared sensor is turned ON. When the microwave sensor detects an abnormality, a video camera and a microphone are turned ON, and the microwave sensor is turned OFF. A communication unit wirelessly transmits an image signal captured by the video camera and an audio signal processed by the microphone. Then, if the infrared sensor does not detect an abnormality, the video camera and the microphone are turned OFF. With this arrangement, power consumption can be suppressed. The present invention is applied to, for example, a security system, for example, for monitoring outside a vehicle by a video camera disposed in the vehicle when the vehicle is parked.

A semiconductor memory device comprises writing means for performing a first writing action for shifting an electric resistance of a variable resistance element from a first state to a second state by applying a first voltage between both ends of a memory cell and a gate potential to a gate of a cell access transistor, and a second writing action for shifting the electric resistance from the second state to the first state by applying a second voltage having a polarity opposite to that of the first voltage between both ends of the memory cell and a gate potential to the gate of the cell access transistor, and the polarity and absolute value of the voltage to be applied to both ends of the variable resistance element in the memory cell to be written in the first writing action is different from those in the second writing action.

A card functions as a credit card or a cash card, the card including: a card management section configured to (i) transmit card information to a smartphone, (ii) accept from the smartphone an instruction for activating the card, and (iii) activate the card in accordance with the instruction thus accepted; and a battery which is rechargeable and is configured to supply electric power used in the card.

A portable device and a method for controlling the same are discussed. The portable device comprises a double sided display unit including a first display screen on a front side and a second display screen on a back side; a first touch sensor unit and a second touch sensor unit configured to respectively sense a first touch input for the first display screen and a second touch input for the second display screen; and a processor configured to: switch the second touch sensor unit to a ready-to-active state activating temporarily the second touch sensor unit for a predetermined period when the first touch input for the first display screen is sensed, and switch the second touch sensor unit to an active state when the second touch input for the second display screen is sensed within the predetermined period.

A vehicle load control device comprises a battery that supplies power to an electrical load of the vehicle; a battery sensor that detects a consumption state of the battery; and a control unit that cuts off power supply to the electrical load when the consumption state of the battery reaches a predetermined state. The control unit detects a consumption state of the battery at a relatively short first time interval, in a case where a consumption amount of the battery after the engine stops is greater than or equal to a predetermined value, and detects a consumption state of the battery at a relatively long second time interval, in a case where the consumption amount of the battery after the engine stops is less than a predetermined value, and cuts off power supply to the electrical load depending on the consumption state of the battery detected by the battery sensor.

In a vehicle having a battery and a generator, when a residual charge amount of the battery is reduced to a first predetermined amount, a power-generation command is output to a generator, and the battery is charged by the generator driven by an engine. When the residual charge amount is reduced to a second predetermined amount lower than the first predetermined amount, plural air-conditioning electrical devices are stopped. Thereafter, when the residual charge amount of the battery is increased to be larger than the second predetermined amount, the electrical devices are started at different start times.

A cell reselection method and system using an active measurement set in a mobile communication, which determines whether the user equipment enters in a power-saving mode based on the signal strength and strength variability of a serving cell and the mobile feature of a user equipment. In the power-saving mode, in accordance with the signal strength of neighboring cells on the serving cell, an active measurement set is formed with cells that are selected from the neighboring cells broadcasted by a WCDMA system and have stronger signals. The user equipment only requires measuring the cells in the active measurement set. Thus, since the cell number of the active measurement set is smaller than that defined by the WCDMA system, the number of neighboring cells required to be measured is reduced, so as to reduce the power dissipation and increase the idle time on the user equipment.

The embodiment of the invention discloses a method for a multimode terminal to register in a network and a terminal, relates to the technical field of communication and provides a solution for the problem that a multimode terminal is poor in network searching efficiency. The method comprises the following steps: the terminal determines an available network system at the start of network searching; the terminal judges whether the available network system is a network system supported by a telephone card; and the terminal uses the available network system to search a network and resister in the network when the available network system is a network system supported by the telephone card. The method is applicable to multimode terminals.

A method for communication performed by a station in a wireless local area network system is provided. The method includes receiving a first change sequence from an access point, transmitting a probe request frame to an access point in order to request updated system information, the probe request frame including the first change sequence, and receiving a probe response frame from the access point in response to the probe request frame. The probe response frame includes a second change sequence. The first change sequence and the second change sequence indicate a change of system information within a basic service set (BSS).

An electric socket is provided. The socket includes a power saving circuit determining operation status of an electronic apparatus or plural electronic apparatus connected to another electric socket according to a load signal to control to supply or automatically interrupt power. It is possible to control power according to operating status of the connected electronic apparatus and to control power supplied to the electronic apparatus connected to a home network. After time has elapsed when the electronic apparatus is not used, power is automatically interrupted so that undesired power consumption due to standby power can be prevented and costs thereof are significantly saved. The electronic apparatus is prevented from accident load inputted from the exterior so that the lifespan of the electronic apparatus can be elongated and user convenience is remarkably improved.

The invention discloses a method and a device capable of judging whether a terminal is switched between two wireless networks. The method comprises the following steps: judging whether the signal intensity of a first wireless network on the position of the terminal which is accessed to the first wireless network satisfies a first switching condition, if does not satisfy, judging not to switch; otherwise, judging whether the switching times in a first period satisfy a second switching condition, if does not satisfy, judging not to switch, and otherwise judging the terminal to be switched. The invention further discloses a method capable of judging whether the terminal is switched from the second wireless network to the first wireless network, and the device capable of judging whether the terminal is switched between the two networks. The signal strength is used as a first condition to judge whether the terminal is switched between networks, when the switching conditions are satisfied, the switching times in unit time are used for deciding whether to be switched, so that the ping-pong switching phenomena between different networks are reduced, and energy consumption and network source cost brought by the terminal are reduced.

A method of handling a point-to-multipoint (p-t-m) Multimedia Broadcast Multicast Service (MBMS) service in a wireless communications system includes the following step of receiving a message used for carrying information of the p-t-m MBMS service via a first channel when a radio resource control (RRC) state of the receiving terminal is a dedicated state. The message includes an instruction utilized to indicate the receiving terminal to release resources used for receiving the p-t-m MBMS service. Otherwise, the method includes the step of adding an instruction into a message used for carrying information of the p-t-m MBMS service when the message is transmitted to a receiving terminal via a dedicated channel. The instruction is utilized to indicate the receiving terminal to release resources used for receiving the p-t-m MBMS service.

The invention discloses a voice waking up method and a voice recognition device in man-machine interaction. The voice waking up method includes the following steps: a step of silence detection, performing waking up word detection when a machine detects sound energy, waking up the machine to start voice recognition if the sound energy includes a waking up word, otherwise, enabling image detection; and a step of image detection, waking up the machine to start voice recognition if a man is detected in image detection, otherwise, continuously detecting the sound energy. The voice waking up method and the voice recognition device can achieve natural man-machine interaction by adoption of image detection, and low power consumption can be maintained in a standby state.

A method for updating system information in a terminal in which data is transmitted by means of superframes, includes: receiving system information, scheduling periodicity information of the system information and changing information indicating changing status of the system information transmitted by means of a superframe header (SFH) from a base station; and updating the system information based on the changing information, wherein the SFH comprises a primary SFH including the changing information and a secondary SFH including at least one subpacket containing the system information, the scheduling periodicity information indicating a transmission periodicity of the subpacket is transmitted by means of the primary SFH or a predetermined subpacket, and when the terminal detects that a changed system information transmitted by means of the subpacket is not scheduled as indicated in the scheduling periodicity information, the terminal wakes up until the changed system information is received.

In a vehicle having a battery and a generator, when a residual charge amount of the battery is reduced to a first predetermined amount, a power-generation command is output to a generator, and the battery is charged by the generator driven by an engine. When the residual charge amount is reduced to a second predetermined amount lower than the first predetermined amount, plural air-conditioning electrical devices are stopped. Thereafter, when the residual charge amount of the battery is increased to be larger than the second predetermined amount, the electrical devices are started at different start times.

A cold plasma apparatus for treating seeds to improve the germination rate and quality of seeds has a cylindrical body with feeding inlet, discharging cutlet, cavuumizing port and air inlet, parallel upper and lower plate electrodes in said cylindrical body, a seed conveying belt driven by power unit to pass through the region between said upper and lower plate electrodes, a RF source connected electrically with said upper and lower plate electrodes, and metallic shielding cover for said plate electrodes.

The display device of the present invention includes a display area having a plurality of pixels arranged in rows and columns, at least one source driving device providing power or electric charges for the pixels through source lines, at least one gate driving device controlling the pixels through gate lines, and a boundary switch separating the display area into a plurality of sub-display areas and placed between the sub-display areas to connect or disconnect the source lines and / or the gate lines. When the boundary switch disconnects the source lines and / or the gate lines, the sub-display area directly connecting with the source driving device or the gate driving device will be driven.

Conventionally, no consideration was given to the control of the main power supply circuit in a storage apparatus. Thus, unnecessary electric power will be consumed because it is not possible to inhibit the power consumption of the main power supply circuit of the storage apparatus. With this storage system having a plurality of storage apparatuses, a storage apparatus internally has a power supply control program for controlling the respective components and the main power supply circuit, and the power supply control command program provided to the management computer migrates a storage extent to be used for business to another storage apparatus based on the operation schedule of business to use the storage extent of the storage apparatus, and commands the power supply control of the main power supply circuit in the storage apparatuses and the respective components.

A receiver in receipt of a plurality of pseudo noise codes, where each of the pseudo noise codes originates from a GPS transmitter and a plurality of chips make tip each pseudo noise code with an offset between 511 chips before a pseudo noise code boundary and 512 chips after the pseudo noise code boundary, and a local clock having an error of less than 0.5 ms relative to a GPS time and synchronized to a GPS signal that is able to be decoded with a decoder connected to the receiver and the local clock and by simultaneously solving the four pseudo range equations for at least four GPS transmitters a determination of the location of the receiver occurs.