577results about How to "High power consumption" patented technology

A method and a control circuit for controlling an output of an audio signal of a battery-powered device are described.

Displays are provided with circuitry performing color correction to compensate for the displays' luminance and chrominance transfer characteristics. Some techniques are suitable for RGBW displays and for subpixel-rendered displays. Some displays include an external light source (e.g. a backlight unit in LCDs), and the color correction is coordinated with dynamic control of the light source.

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.

In some embodiments, the invention involves off-loading processor workloads to reduce power requirements of a multi-processor system. In one embodiment, a multi-processor system redistributes computing among the multiple processors and changes the state of one or more processors to sleep mode. In another embodiment, a multi-processor system throttles the processor speed of under-utilized processors to reduce power consumption. Other embodiments are described and claimed.

In some embodiments, a data processing system including an operation unit including circuitry configurable to perform any selected one of a number of operations on data (e.g., audio data) and a configuration unit configured to assert configuration information to configure the operation unit to perform the selected operation. When the operation includes matrix multiplication of a data vector and a matrix whose coefficients exhibit symmetry, the configuration information preferably includes bits that determine signs of all but magnitudes of only a subset of the coefficients. When the operation includes successive addition and subtraction operations on operand pairs, the configuration information preferably includes bits that configure the operation unit to operate in an alternating addition / subtraction mode to perform successive addition and subtraction operations on each pair of data values of a sequence of data value pairs. In some embodiments, the configuration information includes bits that configure the operation unit to operate in a non-consecutive (e.g., butterfly or bit-reversed) addressing mode to access memory locations having consecutive addresses in a predetermined non-consecutive sequence. Other aspects are audio encoders and decoders including any embodiment of, and configuration units and operation units for use in, any embodiment of the system, and methods performed during operation of any embodiment of the system or configuration or operation unit thereof.

The disclosed invention provides intelligent adaptive control for optimization of production output, energy efficiency and safety of a linear reciprocating long stroke hydraulic lift system, for use at the surface of oil and gas wells to extract fluids or gas after free flowing stopped due to natural decline of reservoir pressure.The hydraulic pump and its adaptive control system introduced in this invention are capable of optimizing its production capacity by varying multiple operating parameters, including its stroking length and speed characteristics continuously and instantaneously at any point. Merits and benefits of this invention include significant increase in production efficiency, improved durability and longevity of the pumping equipment, significant power consumption savings and an ability to adapt effectively to changing well conditions.

Displays are provided with circuitry performing color correction to compensate for the displays' luminance and chrominance transfer characteristics. Some techniques are suitable for RGBW displays and for subpixel-rendered displays. Some displays include an external light source (e.g. a backlight unit in LCDs), and the color correction is coordinated with dynamic control of the light source.

An air conditioner for a vehicle includes a vapor compression refrigeration cycle configured to have a heat pump cycle for heating air to be blown into an interior of a vehicle compartment, and a heating member for heating the air using a coolant of an internal combustion engine of the vehicle as a heat source. In the air conditioner, an operation request signal is output by an air conditioning controller to the internal combustion engine when an outside air temperature is lower than a predetermined threshold.

A mobile network terminal device and method for monitoring the electrophysiological data and a pathological image are provided, including: a baseband processor module, an electrophysiological data collection module, a keyboard module, a graphics and image display module, an image and picture sensor, a voice communication module, an external data memory card, an external data memory, a Bluetooth module, a USB interface module, a GPS receiver module, an application module set and run in the operation system of the baseband processor; an electrophysiological data remote mobile monitoring, a heart pacemaker remote mobile monitoring, a remote consultation appointment, a pathological image remote mobile monitoring, a data exchange, a medical advisory VoIP communication and a network emergency call being performed by the mobile network terminal device under the control of the application module.

Gimbal system, including method and apparatus, for mounting a gimbal apparatus to a support platform with a mount assembly. The mount assembly may include first and second bar assemblies that are rotationally coupled to each other by a pair of gears.

A packaged device is obtained using an innovative package approach that allows integration of miniature planar magnetics into standard low-cost semiconductor packages (BGA, PDIP, SOIC, etc.) with electronic and electrical components, where those components can be C&W and / or SMD types. The packaged device includes a planar magnetic substrate having first and second dielectric layers, the first dielectric layer having a first winding defined thereon, the second dielectric layer having a second winding defined thereon. A magnetic component is provided in the substrate. A package material provided at least partly around the substrate and the magnetic component to protect the substrate and magnetic component. The magnetic component is an inductor or transformer. The packaged device further includes at least one semiconductor component provided on the first dielectric layer.

An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a controller, and a self-testing unit. All of these components can be packaged for integration into a single IC including components such as filters and inductors. The controller for adaptive programming and calibration of the receiver, transmitter and LO generator. The self-testing unit generates is used to determine the gain, frequency characteristics, selectivity, noise floor, and distortion behavior of the receiver, transmitter and LO generator. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or the meaning of the claims.

A receiving circuit mainly available in a digital modulation type communication system having a plurality of channels, which is capable of reducing power in a receiving system, simplifying the circuit and reducing the power consumption. Upside and downside frequencies corresponding to a central value between channels are separately supplied from a local frequency signal generating circuit 4 to first and second frequency converting circuits 2, 3 so that two output signals are developed with respect to one of a desired wave, upside channel and downside channel. The desired wave present in common in the first and second frequency converting circuits 2, 3 is extracted in a common wave extracting circuit 5, and a frequency offset of omegao existing in the output of the common wave extracting circuit 5 is removed a frequency offset circuit 6 and further an unnecessary frequency component is filtered by a filter 8. In addition, the common wave extracting circuit 5 has transformers and, using its inductances, raises the difference between the common wave and the non-common wave within the circuit to more than two times that of a prior art.

In some embodiments, the invention involves off-loading processor workloads to reduce power requirements of a multi-processor system. In one embodiment, a multi-processor system redistributes computing among the multiple processors and changes the state of one or more processors to sleep mode. In another embodiment, a multi-processor system throttles the processor speed of under-utilized processors to reduce power consumption. Other embodiments are described and claimed.

An optical coherence analysis system comprises a swept source laser for generating optical signals that are tuned over a scan band; an interferometer for transmitting the optical signals over a sample arm and reference arm and combining the optical signals; a k-clock for generating a sampling clock indicating non-linearities in the frequency tuning of the optical signals over the scan band, the k-clock being not delay matched to propagation delays for the optical signals in the interferometer; a sampling system for sampling the optical signals from the interferometer in response to the k-clock to generate interference signals; and a processing system for determining non-linearities in the sampling clock and for transforming the interference signals into an image of a sample in response to the non-linearities. The system compensates for the lack of an electronic delay of k-clock using a nonuniform discrete Fourier transform.

It is an object to provide a semiconductor display device having a touch panel, which can reduce power consumption. The semiconductor display device includes a panel which is provided with a pixel portion and a driver circuit which controls an input of the image signal to the pixel portion, and a touch panel provided in a position overlapping with the panel in the pixel portion. The pixel portion includes a display element configured to perform display in accordance with voltage of the image signal to be input, and a transistor configured to control retention of the voltage. The transistor includes an oxide semiconductor in a channel formation region. The driving frequency of the driver circuit, that is, the number of writing operations of the image signal for a certain period is changed in accordance with an operation signal from a touch panel.

Apparatus for probing, sensing, testing penetrating and sampling a medium generally includes an actuator (12) for generating vibrations at ultrasonic frequencies and a horn (14) coupled to the actuator (12) for amplifying the actuator vibrations along with a non-rotating coring and drilling bit (16) for penetrating the medium. A bit (16) includes a drill stem (20) attached to the horn (14) and a bore (26) extends through the bit (16), horn (14) and actuator (12) for withdrawal of samples. A free mass (36) is disposed between the horn (14) and the drill stem (20) for oscillating therebetween in response to the actuator vibration for causing migration of medium debris around and through the actuator bore for effectively self-cleaning of the bit (16). The hammering action of the free mass (36) is used for penetration of the medium and for analysis of the medium though the use of spaced apart accelerometers (92 and 94).

A system is coupled to a network by a network interface. In a power savings mode the speed setting of the network interface is reduced to accommodate increased system latency.

A method and apparatus for vaporizing liquid fuel. The apparatus includes at least one capillary flow passage, the at least one capillary flow passage having an inlet end and an outlet end; a fluid control valve for placing the inlet end of the at least one capillary flow passage in fluid communication with the liquid fuel source and introducing the liquid fuel in a substantially liquid state; a heat source arranged along the at least one capillary flow passage, the heat source operable to heat the liquid fuel in the at least one capillary flow passage to a level sufficient to change at least a portion thereof from the liquid state to a vapor state and deliver a stream of substantially vaporized fuel from the outlet end of the at least one capillary flow passage; and means for cleaning deposits formed during operation of the apparatus. The flow passage can be a capillary tube heated by a resistance heater or a section of a tube heated by passing electrical energy therethrough. The liquid fuel can be supplied to the flow passage at any desired pressure depending on the required mass flow rate for the application. The vaporized fuel can be mixed with air to form an aerosol having a mean droplet size of 25 μm or less to minimize ignition energy of the fuel-air mixture, promote fuel flow in an air stream, and combust the liquid fuel efficiently and cleanly.

The present invention provides a driving circuit capable of exerting improved driving performance while saving power consumption. A capacitive load driving circuit includes a gate driver, which drives scan electrodes aligned in a column direction of capacitive load circuits arranged in a matrix, and a source driver, which drives data electrodes aligned in a row direction of the capacitive load circuits. The source driver includes a plurality of output circuits, which are aligned in the row direction, for driving the respective data electrodes. Each of the plurality of output circuits drives the corresponding data electrode after changing the pre-charge amount on the basis of the position of the scan electrode driven by the gate driver.

The present invention discloses a novel material is represented by the following formula (A), the organic EL device employing the material as blue emitting layer can lower driving voltage, prolong half-lifetime and increase the efficiency.Wherein m represent an integer of 0 to 4, R1 and R2 are identical or different. R1 and R2 are independently selected from the group consisting of a hydrogen atom, alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 6 to 30 carbon atoms. R3 and R4 are identical or different, R3 and R4 are independently selected from the group consisting of hydrogen atom, a halide, a substituted or unsubstituted arylamine, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms.

The invention discloses a wireless sensor network application-oriented low-power consumption radio frequency receiving and sending device which comprises a duplexer, a radio frequency front end, a variable gain complex filter, an automatic frequency tuning circuit, a programmable gain amplifier, a phase-locked loop frequency synthesizer, a digital processor, a storage, a variable gain power amplifier, a mixer and a low pass filter, wherein the duplexer, the radio frequency front end, the variable gain complex filter, the automatic frequency tuning circuit and the programmable gain amplifier form a receiving link which is used for receiving and processing a radio frequency signal and converting the radio frequency signal into a low-medium frequency digital signal so that the signal can be conveniently processed by a subsequent analog-digital converter later; the duplexer, the variable gain power amplifier, the mixer and the low pass filter form an emitting link which is used for mixing a baseband analog modulation signal into a carrier frequency and sending a wireless signal; and the receiving link and the emitting link share the duplexer. The wireless sensor network application-oriented low-power consumption radio frequency receiving and sending device realizes singlechip integration by adopting a standard CMOS (Complementary Metal Oxide Semiconductor) process, is simple in structure and low in power consumption, and is applicable to a wireless sensor network.

A video / audio processing device (1), such as a DVD recorder, has controller (2) for controlling a state of power-on / off. The controller (2) has a first standby mode and a second standby mode having power consumption larger than that of the first standby mode in a power-off state of the video / audio processing device (1). The first standby mode is a mode for maintaining a power of the video / audio processing device (1) in the “off” state. The second standby mode is a mode for maintaining the power of the video / audio processing device (1) in an apparent “off” state. The controller (2) switches between the first standby mode and the second standby mode in conjunction with a state of power-on / off of external equipment (11) such as television.

A balanced charging / discharging circuit for a lithium battery set, including a plurality of serially connected lithium batteries each having a positive electrode controlled by a corresponding control signal to selectively establish connection with a positive electrode of a battery charging circuit, and a negative electrode controlled by a corresponding control signal to selectively establish connection with a negative electrode of the battery charging circuit. Voltage of the positive and negative electrodes of each of the serially connected lithium batteries is transmitted to a corresponding terminal of a control circuit respectively so that the control circuit generates a corresponding transfer signal to the battery charging circuit and supplies the control signal to establish connection of a corresponding series of lithium batteries for charging. Battery sets arranged in series or in parallel can be charged with the maximum current and the service life is extended and charging time is shortened.

The present invention is directed to an image sensor with an integrated light meter that can be used to automatically adjust the display brightness based on ambient light in the environment. According to one embodiment, an automatic exposure (AE) control loop estimates the ambient light when the image sensor is imaging, and the image sensor measures the ambient light when the image sensor is not imaging.

A method for forming integrated circuit includes providing a first semiconductor substrate having a front surface and a back surface that is opposite to the front surface. One or more first trenches are in the first semiconductor substrate from the front surface side, the first trenches being characterized by a first depth. One or more second trenches are formed in the first semiconductor substrate from the front surface side, the second trenches being characterized by a second depth which greater than the first depth. A horizontal isolation layer is formed parallel to the front surface and at a third depth from the front surface. The method also includes forming a first recessed region extending in the first semiconductor substrate from the back surface side to the horizontal isolation layer that results in a thinned semiconductor region having a thickness substantially equal to the third depth. The method further includes forming a bulk dielectric layer covering the back surface side of the first semiconductor substrate.

A passive equalizer circuit incorporated at a front-end of an integrated receiver circuit uses passive components that are distributed between inside and outside of an integrated circuit package. The passive equalizer circuit has off-chip components that are placed on a printed circuit board and on-chip components that are fabricated on a common integrated circuit die as a receiver chip. The on-chip components include one or more variable resistors for adjusting a degree of equalization. The off-chip components include one or more resistors for fine tuning input impedance matching of the integrated receiver circuit.

A conventional setting voltage was a value with an estimated margin of a characteristic change of a light, emitting element. Therefore, a voltage between the source and drain of a driver transistor Vds had to be set high (Vds≧Vgs−VTh+a). This caused high heat generation and power consumption, because a voltage applied to the light emitting element. The invention is characterized by, feedbacking a change in a current value in accordance with the deterioration of a light emitting element and a power source voltage controller which modifies a setting voltage. Namely, according to the invention, the setting voltage is to be set in the vicinity of the boundary (critical part) between, a saturation region and a linear region, and a voltage margin for the deterioration is not required particularly for an initial setting voltage.

Disclosed herein are a mobile robot system to restrict a traveling region of a robot and to guide the robot to another region, and a method of controlling the same. Only when a remote controller reception module of a beacon senses a signal transmitted from a mobile robot, the sensed result is reported to the mobile robot in the form of a response signal. In addition, the Field-of-View (FOV) of the remote control reception module is restricted by a directivity receiver. Only when the signal transmitted from the mobile robot is sensed within the restricted FOV, the sensed result is reported to the mobile robot.