33results about How to "With power saving function" patented technology

The invention provides a touch panel and a dynamic control method thereof. The dynamic control method for a touch panel, includes the steps of: providing a dynamic resolution control circuit for configuring a touch panel to possess a first resolution and a second resolution; and providing an induced signal gain control circuit for configuring the touch panel to have a first gain corresponding to the first resolution, and a second gain corresponding to the second resolution, wherein, the resolution of the touch panel will change from the first resolution to the second resolution when an object is within a distance from the panel. In addition, the present invention further presents a touch panel system and a dynamic control method for adjusting the sensitivity of a touch panel.

The invention relates to an LED energy-saving illuminating lamp driven by the constant current, which is applied to the power-factor compensation of an AC power grid. In order to realize the purpose of compensation, the technical solution proposal of the invention is that: the AC commercial power lights the LED energy-saving illuminating lamp by utilizing the capacitance to reduce the voltage, limit and commutate the current and filter the constant current so as to drive the illuminating lamp. In the AC power grid, the LED energy-saving illuminating lamp of the invention is capacitive and has the function of the power-factor compensation. The LED is preferably driven by the direct current and the constant current since the driving manner can not only ensure that the LED can work in a best state, but also completely eliminate the weakness of stroboflash of the LED illuminating lamp to protect the eyesight. The LED energy-saving illuminating lamp of the invention solves the problems that the overall efficiency of the LED energy-saving illuminating lamp is not high when the illuminating lamp in the current market is lighted by being driven by the direct current and the constant current. The invention is served as the LED energy-saving illuminating lamp as well as a power factor compensator. When the invention is served as the LED energy-saving illuminating lamp driven by the constant current, the illuminating lamp has the advantages of low power consumption, high brightness, long service life and no stroboflash; when the invention is served as the power factor compensator, the compensator can improve the power factor.

The invention relates to a portable global position system (GPS) device with a power-saving function. The portable GPS device comprises a microprogrammed control unit (MCU), a GPS power supply control unit and a GPS module. The input end of the GPS power supply control unit is connected with the output end of the MCU, the output end of the GPS power supply control unit is connected with the input end of the GPS module to control a power supply return circuit of the GPS module to be connected and disconnected, one setting end of the GPS module is connected with one input end of the MCU, and the other output end of the GPS module is connected with the other input end of the MCU. The invention further relates to a power-saving method using the device. The portable GPS device and the power-saving method have the advantages of high efficiency and power-saving performance.

The invention relates to an anti-theft electromobile charging station which comprises a control cabinet, a control panel, a coin device, a coin storage box, a display, a card reader, a transformer, an air switch, an electric energy meter, a button, a camera and a voice player, wherein the coin device, the display, the card reader, the transformer, the camera and the voice player are all connected with the control panel, an alarm device and a data transmission base station are connected to the control panel, a protective box is arranged outside the data transmission base station, antennae are connected to the data transmission base station, an SIM card is mounted in the data transmission base station, the data transmission base station and the control cabinet are mounted separately, a multi-channel protector is connected to the control panel and comprises a relay and a fuse, a mutual inductor is connected to the control panel, and the mutual inductor comprises a connector and a mutual inducting ring. The anti-theft electromobile charging station has a humanized charging method and a burning loss preventing function, more comprehensive and more humanized anti-vehicle-theft and anti-electricity-theft functions are realized, and vehicle safety can be guaranteed.

The invention relates to an input device with an electric-saving function and an electric-saving method of an input device. The method of the input device comprises calculating the idle time of the input device, comparing whether the idle time of the input device is longer than a predetermined time or not to judge whether to detect ambient luminance or not, and comparing whether the ambient luminance is larger than a predetermined luminance or not to enable the input device to enter into a first light sleep mode or a first deep sleep mode. According to the input device with the electric-saving function and the electric-saving method of the input device, sequentially entering into different modes or directly entering into the most energy-saving mode can be judged to use according to the luminance of actual lamplight, thus better electric-saving effect can be achieved.

The invention provides an ultrasonic sensing device. The ultrasonic sensing device comprises an integrated protection layer, a signal sending unit and a plurality of signal receiving units, wherein the signal sending unit is used for generating and sending ultrasonic waves, and the signal receiving units are used for receiving the ultrasonic waves; the integrated protection layer has a pressure sensing function; when the integrated protection layer senses pressure, the signal sending unit generates and sends ultrasonic waves; when the integrated protection layer does not sense the pressure, the signal sending unit does not generate ultrasonic waves. The ultrasonic sensing device has the electricity-saving function, and the working state of the corresponding element is started according to needs.

The invention relates to an LED energy saving lighting lamp applied to AC network power factor compensation. To realize said object, the invention provides a technical resolvent: the LED energy saving lighting lamp is lighted by AC with capacitance voltage-dropping and current-limiting, the lamp shows capacitive in AC network and plays an power compensation role. The invention solves problem that transient voltage breakdown LED by using capacitance voltage-dropping and current-limiting to light LED. The LED energy saving lighting lamp provided by the invention also can be used as a power factor compensator. As the LED energy saving lighting lamp, it has merits of power saving, high-brightness, long service time; as the power factor compensator, it has merits of increasing power factor, reducing power loss, absorbing harmful pulse of power network, and has power saving function, can convert reactive power into active power. The LED energy saving lighting lamp has low-cost, can improve harmonic current of AC network, upgrade power factor of AC network and save energy source if the LED energy saving lighting lamp is extended to every families.

The invention provides a multimedia system. The multimedia system comprises a portable device and a multimedia expansion device, wherein, the portable device is provided with a host computer and a first display, and the host computer is provided with a first multimedia module and a switching module; and the multimedia expansion device is provided with a slot, a multimedia converting circuit, a plurality of signal output interfaces and a power control circuit, wherein, the slot is coupled with the portable device, the multimedia converting circuit is respectively combined with a second multimedia module and a repeater, the power control circuit provides a power source to the slot, the multimedia converting circuit and the signal output interfaces, and the signal output interfaces are coupled with a second display. In the multimedia system, the switching module can switch a multimedia signal output by the host computer to the first multimedia module or the multimedia converting circuit; the multimedia converting circuit is electrically connected with the second multimedia module or the repeater selectively; and the power control circuit stops power output when the slot is separated from the portable device.

The invention discloses a method for group matching of power lithium-ion rechargeable batteries. The method comprises the following steps: one-step charge and discharge detection is conducted to the power lithium-ion rechargeable batteries and the batteries with capacities larger than lower limit capacity are taken as acceptable batteries; the acceptable batteries are charged to a state with 50-90 percent of rated capacity and the rechargeable batteries with acceptable voltage drop are sorted; the obtained acceptable batteries are fully charged and are connected in parallel for at least 4 hours to enable the voltage difference between any two rechargeable batteries to be less than or equal to 1mV; the obtained rechargeable batteries are connected in series to discharge, the voltage of each rechargeable battery during discharge is acquired and recorded, and the discharge is stopped when the voltage of any battery reaches cutoff voltage; and a voltage difference standard is set according to the number of series batteries required for group matching and the battery voltage at the moment of discharge cutoff, and the batteries with voltage differences within the preset range are matched into a group. Since the parameters of the batteries are measured and sorted under the simulated battery use conditions and the single rechargeable batteries with close characteristics are sorted, the quality of the group matching is improved.

Provided is a support tool for supporting a flexible component. The support tool for a flexible component is foldable without impairing reliability of the flexible component. The support tool has a region in which two different hinges overlap, and in the region, a bending operation is possible in only one direction from a state of forming a plane. Thus, even when an unintended reverse-direction bending stress is applied to the region, it is possible to protect the flexible component or the support tool. In addition, two hinges have mechanisms for correcting the positions of each other, so that it is possible to perform a stable bending operation.

The invention relates to a brownout backlight unit. It is suited for a portable electric device with a primary display panel and a secondary display panel which are connecting back to back. The first area set on the primary display panel includes: the first light emitting device and the second light emitting device. When the portable electric device is in the state of receiving or sending, the portable electric device simultaneously devices the first light emitting device and the second light emitting device to supply light sources for the first area and the second area of the primary display panel. When the portable electric device is in the state of shutdown, the portable electric device only drives the first light emitting to supply light source for the secondary display panel. Moreover, the display device and the portable electric device using the brownout backlight unit could be revealed together.

The invention relates to an embedded type electronic device with an electricity-saving function and an electricity-saving method thereof. The embedded type electronic device comprises an operation system and a microprocessor, wherein the microprocessor is used for detecting the electric quantity of a battery and outputting an interrupt signal to the operation system when the electric quantity of the battery is equal to warning electric quantity. After the operation system receives the interrupt signal, the operation system can wake up the embedded type electronic device in an electricity-saving mode and update the state of the battery. Therefore, the invention can reduce the frequency of updating the state of the battery so as to reduce the electric quantity consumption of the battery andachieve the electricity-saving effect. Under the operation of the same time range, the times of updating the electric quantity of the battery of the invention are obviously less than that of a traditional method.

The invention relates to a rhythm director for rowing training. The rhythm director for rowing training is characterized in that the invention comprises a power-source voltage stabilizing circuit, a CPU controlling circuit, a guiding light and peripheral memory circuit, a frequency display circuit, a buzzer circuit, a watching-dog and voltage detecting circuit, and a rechargeable battery. The input end of the power-source voltage stabilizing circuit is connected with the rechargeable battery, the output end of the power-source voltage stabilizing circuit provides +5volt power source, the guiding light and peripheral memory circuit, the frequency display circuit, the buzzer circuit, the watching-dog and voltage detecting circuit are respectively connected with connecting feet of a central processing unit of the CPU controlling circuit. The invention has the advantages of intuitive beat displaying, good beat displaying effect and capability of saving electrical-power resource.