35results about How to "Prevent miswork" patented technology

In a shift register circuit, a defective operation while an output signal is not outputted and a drive capability lowering while the output signal is outputted are prevented. A unit shift register comprises a first transistor for supplying a clock signal inputted to a first clock terminal to an output terminal, and the first transistor is driven by a drive circuit. A second transistor is connected between the gate of the first transistor and the output terminal and has a gate connected to the first clock terminal. The second transistor connects the gate of the first transistor to the output terminal based on the clock signal when the gate of the first transistor is at L (Low) level.

The invention discloses an adjustable heat dissipation structure for a new energy vehicle battery, includes two heat sink plates, The top between the two heat dissipation plates is fixedly connected by a connecting device, the surface of the heat dissipation plate is provided with a first heat dissipation hole, A dust-proof pad is fixedly connected to one side of the heat dissipation plate close to the connecting device, and a heat dissipation regulating device is fixedly connected to one side of the heat dissipation plate far away from the connecting device. The heat dissipation regulating device comprises a shell, wherein one side of the shell close to the heat dissipation plate is fixedly connected to the heat dissipation plate, and a visible glass window is fixedly connected to the groove at the top of the shell. As that heat dissipation regulate device is arranged, The invention solves the problem that the traditional heat dissipation structure of the new energy vehicle can not beadjusted, and can adjust the position of the heat dissipation fan according to the position of the heat dissipation hole of different types of the new energy battery, thereby achieving the effect ofmatching the heat dissipation area with the new energy battery, improving the use limit of the heat dissipation and realizing the flexible use.

Provided is a wrong work inhibiting method and device of an active safety function of a vehicle. The wrong work inhibiting method comprises the steps that environmental information during running of the vehicle is detected; current longitude and latitude information of the vehicle positioned by a global positioning system is received; judgment whether the vehicle needs intervention of an active safety system or not, such as automatic emergency braking, is performed according to a target detection result; when the vehicle needs the intervention of the active safety system, the current longitude and latitude information of the vehicle is compared with longitude and latitude information in a preset inhabitation site list, the preset inhabitation site list includes the longitude and latitude information of the site where wrong active safety work is implemented; if it is found that the current longitude and latitude of the vehicle are consistent to certain longitude and latitude in the inhabitation site list or are within a certain range after comparison, and activation of the active safety function of the vehicle is inhibited; if it is found that the current longitude and latitude of the vehicle are not consistent to the certain longitude and latitude in the inhabitation site list or are not within the certain range after comparison, and an intervention instruction of the active safety system is sent out to activate the active safety function.

The invention relates to a vehicle disc overheat-warning system and a control method thereof. According to the operating states of a braking safety system and a brake system mounted on a vehicle, the vehicle disc overheat-warning system predicts the temperature of discs by increasing and decreasing the heat generated by the braking safety system and the brake system in operation and the coolness of the braking safety system and the brake system not in operation, and thereby not only can warn the overheating state of the discs, but also can prevent misoperation by stopping the operation of the braking safety system, so that the vehicle can be safely driven.

The invention provides a device and method for preventing an automatic emergency braking system from conducting misoperation on small barriers and belongs to the technical field of automotive electronics. By means of the device and method, the problem that in the prior art, automatic emergency braking systems conduct misoperation on small barriers is solved. The device comprises a sampling module, a barrier analysis module and a filtering module, wherein the sampling module is used for sampling radar detection results; the barrier analysis module is used for analyzing sampling results; and the filtering module is used for filtering out small barrier information. The control method comprises the steps that the radar detection results are sampled; samples RCS are analyzed to judge the size of the barriers; and the small barrier information is filtered out, large barrier information is transmitted to a vehicle-mounted controller, and the vehicle-mounted controller controls the automobile emergency braking system to perform braking operation. Through the device and method, the sizes of the barriers detected by radar can be judged, the useless small barrier information is filtered out, and the automatic emergency braking system is prevented from conducting misoperation on the small barriers.

A sense amplifier is connected to a pair of folded bit lines via selection gates. At the time of reading data in a memory cell connected to the bit line, the pair of folded bit lines enter a floating state. At this time, the selection gate is turned off to disconnect the bit line from a sense node. After that, a potential is supplied to the bit line from an equalizer. Consequently, a semiconductor memory device of the invention can suppress deterioration in charge holding capability of a memory cell and prevent erroneous operation.

A ballast for a discharge lamp includes a fluorescent lamp (3), an AC/DC conversion portion (6), a dimming control portion (7), and a DC/AC conversion portion (9). The AC/DC conversion portion (6) converts a phase-controlled input AC voltage to a DC voltage. The dimming control portion (7) calculates a dimming control signal from the input AC voltage. The DC/AC conversion portion (9) converts the DC voltage from the AC/DC conversion portion (6) to a high frequency AC voltage to be applied to the fluorescent lamp (3) and lights and dims the lamp in response to the dimming control signal. The DC/AC conversion portion has a first operation mode for maintaining the lighting of the fluorescent lamp and for lighting and dimming the same and a second operation mode for supplying the fluorescent lamp with a voltage lower than the starting voltage of the lamp in its non-operating state. The conducting period of the phase-controlled AC voltage can be detected even in the non-operating state of the fluorescent lamp so as to restart the lamp.

This semiconductor memory device comprises: a memory cell array including plural bit lines, plural word lines intersecting the plurality of bit lines, and memory cells provided at intersections of the plural bit lines and the plural word lines; and a control unit operative to control a voltage applied to the bit line and the word line. The control unit, when performing a certain operation consecutively on a plurality of the memory cells, selects a first bit line selected from among the plural bit lines and a first word line selected from among the plural word lines to perform a first operation on a first memory cell. Then, in a subsequent second operation following this first operation, selects a second bit line different from the first bit line and a second word line different from the first word line to select a second memory cell.

The invention discloses an anti-interference microwave induction lamp and a method for resisting environment microwave interference. The anti-interference microwave induction lamp comprises a lamp, ahigh-frequency transceiving module, a signal amplifier module, a signal output module and a control module, the signal amplifier module is in communication connection with the high-frequency transceiving module, the signal output module is in communication connection with the lamp, the control module is in communication connection with the signal amplifier module and the signal output module, thehigh-frequency transceiving module radiates frequency signals to ambient environments, the frequency signals meet a moving object, then are reflected to the high-frequency transceiving module and generate weak alternating-current detection signals, the detected signals are amplified and transmitted into the control module, the control module decodes the detected signals by a sampling and comparingmode and detects whether fluctuation generated by the detected signals meets a preset range or not, the control module transmits a lightening instruction to the signal output module if the fluctuation meets the preset range, and the signal output module controls the lamp to be lightened according to the lightening instruction.

The invention relates to a power take-off ECU control system with a clutch. The system comprises a VECU, a power take-off, the clutch, a clutch switch, a power take-off switch, a power take-off electromagnetic valve and a gas storage tube, the gas storage tube is communicated with a clutch air cylinder through the power take-off valve, a connecting shaft in the clutch air cylinder is in driving connection with the power take-off, the control end of the power take-off valve is connected with the output end of the VECU through the power take-off switch, the input end of the VECU is connected with a grounding wire through the clutch switch, the part between the grounding wire and the intersection position of the power take-off switch and the power take-off electromagnetic valve is in parallelconnection with a multifunctional buzzer and a dashboard indicating lamp, and when the system is used, whether or not the power take-off electromagnetic valve is electrified is controlled by the clutch switch so as to control whether or not air is taken into the clutch air cylinder to further control whether or not the power take-off is operated. By means of the system, not only can freely gear switching be achieved under the working condition of driving power take-off, but also the prompting effect is better, and the safety performance is higher.

The present invention provided a display device, using the current drive control circuit to prevent the alteration of the a-Si TFTs vale value voltage of the gate driver. A display device includes a gate driver for driving pixels (PX), a drive control circuit for outputting a predetermined control signal to the gate driver, and a frequency division circuit. The pixels, the gate driver, and the frequency division circuit are formed using amorphous silicon thin film transistors (a-Si TFTs) formed on an insulating substrate. The control signal output from the drive control circuit includes a start signal for a start of a frame period of an image signal, and the frequency division circuit generates a frequency division signal whose period corresponds to a frequency which is obtained by dividing a frequency of the start signal.

An automatic-discriminating apparatus. The switch connects one of crystal oscillators to a VCO of the APC circuit by a control signal from the automatic discrimination control circuit. The automatic discrimination control circuit divides one vertical scanning period into predetermined sections. When receiving a killer signal indicating the OFF state from the killer circuit at the predetermined sections even one time, it outputs a control signal holding the connection state thereof to the switch, and holds the APC circuit in the locking state. When receiving a killer signal indicating the ON state at the divided predetermined sections a predetermined number of times, it outputs a control signal connecting the other crystal oscillator through the VCO to the switch. As a result, the time for discriminating the TV broadcast systems can be shortened, a malfunction can be avoided, and a stable discrimination can be achieved.

A power takeoff hydraulic electric control system with a clutch comprises a bypass valve, a booster, the clutch, a power takeoff, a power takeoff control valve, a power-assisted control valve, a hydraulic source, a power takeoff switch, a power takeoff solenoid valve and an air reservoir. The air reservoir sequentially passes the power takeoff solenoid valve and the power takeoff control valve andthen is communicated with a clutch cylinder, a connecting shaft in the clutch cylinder is in driving connection with the power takeoff, a control end of the power takeoff solenoid valve is controlledto be powered on by the power takeoff switch, a control end of the power takeoff control valve is controlled to acquire gas or not by the hydraulic source through the power-assisted control valve, the booster and the bypass valve, and a multifunctional buzzer and a meter lamp are parallelly connected between the junction of the power takeoff switch and the power takeoff solenoid valve and a grounding wire. By the design, free gear shifting under driving power takeoff conditions can be realized, prompt effects are good, hydraulic pressure and air pressure are sufficiently used for control, andthe system is high in popularization and application value and strong in safety.

The invention discloses a filtering and wave trapping circuit-based voltage following negative ion generator. The voltage following negative ion generator is characterized by mainly comprising a transformer T2, a control chip U3, a triode VT1, a discharge terminal E, a potentiometer R1, a diode D2 and the like, wherein the potentiometer R1 is connected between the b end and the f2 end of a gas sensitive sensor Q in series; and the P electrode of the diode D2 is connected with the control end of the potentiometer R1 while the N electrode of the diode D2 is connected with the base electrode of the triode VT1. Negative ions can be generated automatically according to the concentration of harmful gas in the room, so that high sensitivity is achieved, and indoor air can be purified effectively;meanwhile, the sensitivity can be adjusted according to needs, so that the voltage following negative ion generator can be applicable to different occasions; and the discharge terminal can be controlled stably, thereby generating stable negative ions and purifying indoor air effectively.

It is an object of the present invention to obtain a nonvolatile semiconductor memory capable of suppressing the occurrence of disturbing defects during erasing. Bit lines BL are formed extending in the column direction of the matrix. Gate electrode 9 is formed on channel region CH. The nonvolatile semiconductor memory includes a plug 10 for interconnecting the gate electrode 9 and the word line. Each row of word lines has two sub-word lines WL. Sub-word lines WL1a, WL1b and sub-word lines WL2a, 2b are sub-word lines belonging to the same row, respectively. The sub-word line WL1a is in contact with the plugs 1012 and 1014, the sub-word line WL1b is in contact with the plugs 1011 and 1013, the sub-word line WL2a is in contact with the plugs 1022 and 1024, and the sub-word line WL2b is in contact with the plugs 1021 and 1023.

The invention provides a power takeoff relay control system with a clutch. The power takeoff relay control system comprises an internal relay, a power takeoff, the clutch, a clutch switch, a power takeoff switch, a power takeoff solenoid valve and an air reservoir. The air reservoir communicates with a clutch air cylinder through the power takeoff solenoid valve, and a connecting shaft arranged inthe clutch air cylinder is connected with the power takeoff in a driving mode. The control end of the power takeoff solenoid valve sequentially passes through an inner contact and the power takeoff switch and then is connected with a power line in an electrical mode. An inner coil and the clutch switch connected in series are located between a grounding wire and the power line. A multi-function buzzer and a meter indicator lamp are connected in parallel between the joint of the inner contact and the power takeoff solenoid valve and the grounding wire. During use, the clutch switch controls whether the power takeoff solenoid valve is energized or not by the internal relay, thereby controlling whether the clutch air cylinder is inflated or not, and then whether the power takeoff acts or notis controlled. The power takeoff relay control system can not only realize free shifting of a driving car under the power takeoff working condition, but also has high prompting property, high safety,high sensitivity and good control effect.

The invention aims to secure the operation of an active matrix type display device with a holding circuit. The holding circuit 110 for holding a video signal every pixel is arranged, and a normal operation mode and a memory operation mode are switched to each other for displaying. In the memory operation mode, a gate signal line 51 or/and a drain signal line 61 are fixed at a prescribed voltage. Therefore, a transistor connected with the gate signal line 51 or/and the drain signal line 61 can be prevented from operating erroneously. Grounding transistors 401, 402 connected with the gate signal line 51 or/and the drain signal line 61 are realized to be switched on in the memory operation mode.

A transfer circuit (200) includes an input circuit (110), a reset circuit (120), an output circuit (130), and an output stabilizer circuit (240), and obtains an input signal at an input terminal (IN),holds the input signal, and outputs the input signal from an output terminal (OUT) as an output signal in synchronization with a clock signal. The output stabilizer circuit (240) includes an invertercircuit (250) and a transistor (T8). The inverter circuit (250) outputs from an output terminal an inverted signal having an inverted polarity of at least one of the input signal and the output signal. The transistor (T8) has a control signal end connected to the output terminal of the inverter circuit (250), a first main signal end connected to a power supply line (Vss1) of the output stabilizercircuit (240), and a second main signal end connected to the output terminal of the transfer circuit.