132 results about "Level trigger" patented technology

A network selection system that includes a mobile terminal in communication with a first network, a second network in communication with the first network and an application layer triggering mechanism that determines which one of a plurality of triggers is required in a certain set of circumstances to provide a particular application.

Methods and apparatus are disclosed for determining whether the highest priority pending interrupt is an active level-triggered interrupt. One method includes: determining whether the vector corresponding to the highest priority pending interrupt matches the vector associated with a particular interrupt input; if it does, determining whether that particular interrupt input is programmed to be a level-triggered interrupt; if it is, determining whether the level-status of that particular interrupt input is active; and, if it is, sending a level-triggered active message for the highest priority pending interrupt, by maintaining the set status of a particular bit. One embodiment of the present invention includes an interrupt service register operable to indicate when an interrupt is being serviced, an interrupt request register operable to indicate when an interrupt is pending, and a comparator operable to compare the vector corresponding to the highest priority pending interrupt with the vector associated with the particular interrupt input. Included also is a control generator coupled to the comparator, and operable to selectively clear and/or set bits contained in the interrupt service register and in the interrupt request register. The present invention supports both edge-triggered and level-triggered interrupts, without the need for a trigger mode register or other similar overhead house-keeping controls and related storage logic, and without any hand-shake requirements.

The present invention is directed to a system, method and server to assist account issuers in managing risk, fraud and unauthorized use. A system, method and server for use in pushing advanced warning alerts to issuers based on consumer data element level triggering events and fraud and unauthorized use reports is disclosed. The ability to the push the alerts to issuers with a permissible purpose for receiving the information in the alerts provides a real-time, online and cost effective way of providing issuers with valuable risk management tools.

An embodiment of the invention provides SIM (subscriber identity module) card hot plug protection method and terminal, and SIM card in-place power-down swiping method and terminal. The SIM card hot plug protection method includes: if first effective level triggered by a first signal generation switch of an SIM card socket is detected, generating a power-down control signal according to the first effective level; and powering down the SIM card socket according to the power-down control signal. The first effective level is trigged when an SIM card moves to a first position of the SIM card socket and touches the first signal generation switch during insertion, or the first effective level is triggered when the first SIM card moves to a second position of the SIM card socket during pulling. Compared with the prior art using timing adjustment schemes, the methods are higher in reliability.

The invention discloses a display device and a gate drive circuit and unit. The gate drive unit comprises a signal holding circuit, a first-level output circuit and a second-level output circuit, wherein the signal holding circuit is used for outputting a high electrical level according to an input high-electrical-level trigger signal during the high-electrical-level period of a first clock signal; the first-level output circuit is used for outputting a high-electrical-level first-stage driving signal according to the high electrical level at the output end of the signal holding circuit during the high-electrical-level period of a second clock signal; the second-level output circuit is used for outputting a high-electrical-level second-stage driving signal according to the high electrical level at the output end of the first-level output circuit during the high-electrical-level period of a third clock signal. The number of gate drive units in the display device is reduced, the cascade relation of the gate drive units can also be simplified, cascade wiring space is saved, and miniaturization and low cost of the display device are benefited.

A system (with corresponding methods) for responding to an electrical meter alarm. The system utilizes a processor at a meter or at a utility, and an alarm chronical encoded in memory of the processor. The alarm chronical includes an alarm level correlating to a degree of risk associated with a state of the meter, a time stamp including a date and a time of when the alarm level triggered, a meter identification, and performance data of the meter.

The invention discloses a power-on resetting circuit which comprises a power-on circuit, a level triggering circuit and a discharging circuit, wherein the power-on circuit comprises a current mirror, a first capacitor and a second capacitor; when power-on voltage is supplied to the power-on resetting circuit, the current mirror respectively charges the first capacitor and the second capacitor; the level triggering circuit is connected to a voltage reference node of a power-on circuit and is used for detecting the voltage of the voltage reference node and outputting a power-on resetting signal when the voltage of the voltage reference node is greater than a triggering value; and the discharging circuit is connected between the power-on circuit and the level triggering circuit and is used for discharging the first capacitor and the second capacitor after the power-on voltage disappears. By the power-on resetting circuit, when power voltage is powered on for many times, the power-on resetting signal can still be correctly generated; and after the resetting signal is generated, a static working current dose not exist, so that the power consumption is reduced.

The present invention discloses a triggering drive circuit. The triggering drive circuit comprises N-level triggering drive circuit units (N>=2, and N is an integer); an nth-level triggering drive circuit unit comprises a pull-up control module, a pull-up module, a signal control module and a pull-down module, wherein 1<=n<=N, and n is an integer; and the pull-up control module, the pull-up moduleand the pull-down module are connected with a pull-up control node, the signal control module and the pull-down module are connected with an output node, and the output node outputs triggering drivesignals. The present invention further discloses an organic luminescence display device. The organic luminescence display device employs the triggering drive circuit to control a time proportion of brightness and darkness of an organic light emitting diode to achieve a function of displaying different gray-scale frames in the same current drive so that it is avoided that a drive current is low andthe current is unstable to cause an uniform frame problem when a low gray scale frame is displayed.

The invention discloses long-distance infrared remote-controlled device and method used for embedded equipment, belonging to the technical field of electronic information. The device comprises an infrared remote-controlled signal emission device and an infrared remote-controlled signal receiving device. In the remote-controlled method, after adding a sync character in front of a binary encoding a button corresponds to, the infrared remote-controlled signal emission device converts the binary encoding into a high-low electric level combination corresponding to an infrared signal encoding mode; then a 38k sinusoidal wave modulates the binary encoding and an infrared emitting head sends out the modulated binary encoding; after receiving the signal modulated by the 38k sinusoidal wave, an integral infrared receiving head of the infrared remote-controlled signal receiving device converts the signal into a pulse signal consisting of a high-low electric level; the pulse signal is output to a GPIO lead foot of an embedded equipment through an output lead foot of the integral infrared receiving head; the pulse signal consisting of the high-low electric level triggers an interruption of the GPIO port; during interruption processing program, lasting times of a high electrical level and a low electrical level are calculated out through timing; thus decoding can be carried out, and the high-low electric signal is deciphered into binary data.

The invention discloses a low power consumption power-on reset circuit, comprising two branches which are connected in parallel; a first branch comprises a first PMOS transistor, a first depletion type MOS transistor and a second depletion type MOS transistor; the source electrode of the first PMOS transistor is connected to a power supply; a grid is in short circuit connection with a drain electrode; the drain electrode of the first depletion type MOS transistor is connected to the drain electrode of the first PMOS transistor, and the node between the MOS transistor and the PMOS transistor is used as a first node; a first capacitor is connected between the first node and the ground; a second branch comprises a second PMOS transistor and a first NMOS transistor which are in parallel connection with a common grid; the source electrode of the second PMOS transistor is connected to the power supply; the drain electrode is connected to the drain electrode of the first NMOS transistor; the node between the second PMOS transistor and the first NMOS transistor is used as a second node for outputting a first reset signal; the lower-power consumption power-on reset circuit also comprises a third PMOS transistor; the third PMOS transistor is used for locking voltage of the first node according to a first reset signal. The low-power consumption power-on reset circuit adopts an electrical level triggering mode to generate a reset signal, has advantages of low power consumption and a strong anti-interference capability and compensates insufficiency in the current technology.

A system and method of transmitting and receiving bit serial information is disclosed. In a differential embodiment, serial bits are transmitted by a pair of line-matched differential drivers that are ac coupled to a two-conductor transmission line. A receiver is ac coupled to the line and receives the transmitted serial information via a high pass filter. The receiver includes a level-triggered latch that provides a threshold for receiving the serial information, changes state to reflect the received information, and then clamps the received information to the state of the latch. In a single-ended embodiment, the ac-coupled receiver receives the bit serial information via a high pass filter. The resistance for the filter is an active device that also provides a voltage threshold for the receiver. The received bit serial information changes the state of a device which then alters the threshold, via hysteresis, for the net bit of serial information.

The invention provides a pulse timing and counting device and method for liquid flow verification. A pulse timing and counting device is arranged above a flow meter of a liquid flow device and comprises a main controller; the main controller coordinates the work of external modules; the external modules comprise a timing and counting module, a communication module, a key input module, a level trigger module, a display module and an output module. A diverter diverts to enable water to flow into a weighing water tank, a blocking piece on the diverter blocks a photoelectric switch to generate a trigger signal, and the trigger signal is transmitted to the pulse timing and counting device to start to time and count; when the water in the weighing water tank reaches predetermined weight, the diverter diverts to stop timing and counting, and the weight, the time and the pulse count for weighing are recorded. By adopting the pulse timing and counting device and method, the synchronization of timing and counting of the flow verification device can be realized; meanwhile the diversion time difference of each diversion of the diverter can be detected.

The invention relates to a power supply control circuit for a relay driving module, which comprises a processor; the processor outputs a power supply control signal used for controlling power supply of a relay driving circuit, and a relay control signal used for controlling on and off of a first relay coil; a power supply control module is arranged between a first relay controlled power supply node and the processor; the power supply control module consists of a low level trigger unit and a second relay connected with an output end of the low level trigger unit; one end of an output circuit of the second relay is connected with a power supply used for supplying power for the relay driving circuit, and the other end of the output circuit of the second relay is connected with the controlled power supply node which is arranged in a first relay and used for supplying power for the relay driving circuit; and the processor is set with default codes. The power supply control circuit effectively prevents equipment from being powered on or off and the malfunction of a relay caused by the external disturbance.

The invention provides a method and device for testing pressure. The method comprises the steps that initialization is firstly conducted, wherein a reading connection pool and a writing connection pool of the epoll are initialized, application for a data area cache is conducted according to preset user customized parameters, and a data package is loaded to the cache from a pressure file; with regard to connection established with a module to be tested, data are read and written in a level triggered mode and trigger events of data reading and data writing are arranged and the connection is added to the reading connection pool and the writing connection pool; the pressure condition is counted at regular time through a counting thread and transmission of pressure data is stimulated at regular time through effective global variables which are continuously transmitted through set identification; after the trigger event of data writing is monitored through a pressure transmission thread, if the global variables are effective, the pressure data in the cache are transmitted to the module to be tested in a polling mode until the pressure number of the transmission period is achieved, and then the global variables are set ineffective. According to the method and device for testing the pressure, the high pressure testing requirement can be satisfied and the phenomenon that the tested pressure reaches the limit of a physical network card becomes possible.

The invention provides a ground experiment device of a rotary directed drilling equipment communication system and a using method thereof, and belongs to the technical field of petroleum drilling. A main control board of the ground experiment device is connected with a temperature sensor, a three-axial acceleration sensor, a pressure collection and decoding development board, a low-level trigger relay and an LED liquid crystal display screen through a wire; the input end of a positive pressure pulse generator is connected with the main control board; the input end of the negative pressure pulse generator is connected with the pressure collection and decoding development board; the output end of the positive pressure pulse generator and the output end of the negative pressure pulse generator are connected with a normally closed electromagnetic valve; and the normally closed electromagnetic valve is connected with a drilling fluid circulating pump. Pressure pulses detected by a pressure sensor are transmitted to the pressure collection and decoding development board, and then the decoded signals are transmitted to the main control board and a ground upper computer. The ground experiment device of the rotary directed drilling equipment communication system enables the simulation and testing process of the rotary directed communication system to be simpler, more convenient, more rapid, more accurate and more systematized; and the funds consumed by underground experiments can be greatly reduced, and the test period of the underground experiments can be greatly shortened.

A signal generating system for generating an output signal with a 50% duty cycle, comprising: a frequency dividing module, comprising an odd number of level triggering devices, for generating a plurality of frequency divided signals utilizing a frequency dividing ratio equaling to M, wherein the M is an positive integer; and a signal combining module, for combining at least two of the frequency divided signals to generate at least one output combined signal. The signal generating system generates the output signal based on the output combined signal. The frequency dividing module cooperates the signal combining module to provide a frequency dividing ratio equaling to N.5, wherein the N is a positive integer. According to the system, the output signals with quadrature phase and odd frequency-dividing ratio can be generated.

The invention relates to a silicon through hole test circuit and a method thereof, a test circuit of a silicon through hole group in a three-dimensional integrated circuit and a method thereof. The circuit comprises an excitation source, two parallel circuit branches, a third circuit branch and a detection circuit branch, wherein the excitation source is connected to an input terminal of a TSV and is used for providing an excitation signal; the two parallel circuit branches are connected to an output terminal of the TSV; one circuit branch comprises an inverting device and the other circuit branch comprises a level trigger device and a switch device; the switch device is used for controlling on and off of the circuit branch where the level trigger device is located; the third circuit branch is connected to output terminals of the two parallel circuit branches and is used for giving corresponding output according to a current conduction or disconnection state of the circuit branch; and the detection circuit branch is used for determining whether the TSV has an open circuit defect or a short circuit defect according to an output signal presentation of the third circuit branch. Through analyzing the signal presentations of two circuit branch output terminals, the TSV defect is determined. Through using one set of test circuit, open circuit defect and short circuit defect tests can be covered.

The invention discloses a mobile phone intelligent play method by using a mobile phone intelligent player system. The intelligent player system and the method of the mobile phone comprise the following steps: step A, a support on the rear cover of the mobile phone is opened so that a magnet is away from a Hall sensor; step B, the Hall sensor is free from the induction of a magnetic field and correspondingly outputs a high electric level to a microprocessor; step C, a central processing unit CPU generates a high-electric-level-triggered interrupt signal according to the high electric level signal, judges that the support is in an opened state, and control a player to play. According to the intelligent player system and the method of the mobile phone, the effect, on the Hall sensor, of the magnetic field of the magnet is utilized, when the support is opened, the Hall sensor correspondingly generates the high electric level and enables the CPU to generate high-electric-level-triggered interrupt in a corresponding mode, so that the player is controlled to be turned on automatically. According to the intelligent player system and the method of the mobile phone, automatic turn-on of player are achieved through the opening of the support, operation and use of a user are greatly facilitated, and the problem that operation procedures of a mobile phone player are complex currently is solved.

The invention provides a high-trigger-accuracy oscilloscope. The high-trigger-accuracy oscilloscope comprises: a setting unit for setting comparison levels; a data sampling unit for performing digital sampling on a tested signal to obtain n sampled data, wherein n is greater than or equal to 1; a numeric comparison unit for performing the level comparison process on each sampled data separately according to a first high level and a first low level to generate n first comparison signals and performing the level comparison process on each sampled data separately according to a second high level and a second low level to generate n second comparison signals, wherein the first high level is less than or equal to the second low level; and a trigger control unit for performing the trigger logical process according to the comparison signals to generate a trigger signal. According to the invention, the level comparison process is performed on the sampled data through four comparison levels, so not only the noise can be eliminated, and but also the time error can be reduced, so that the trigger position which is expected by a user is more close to the trigger position which is generated actually, so the trigger accuracy can be improved.

The embodiments of the invention provide a weak sight assisting method and apparatus, and relates to the field of eyesight assisting technologies, aimed at addressing poor user experience in assisting people with weak sight. The method includes the following steps: receiving a first-level triggering request which is triggered by user operation; the first-level triggering request including position information of a region which a user wants to observe; based on the position information, acquiring the visual frame of the region which the user wants to observe; processing and displaying the visual frame. According to the embodiments of the invention, the method and the apparatus herein are intended for assisting people with weak sight.

The invention relates to an electric disk and method utilizing a backup power supply to execute data destruction, wherein the electric disk comprises an electric disk body, and further comprises an intelligent backup power supply comprising a charging circuit, an energy storage element, a power supply control circuit, a data destruction pulse generation circuit and an automatic discharging circuit; the charging circuit is connected with the energy element also connected with the power supply control circuit, the data destruction pulse generation circuit and the automatic discharging circuit are arranged between the power supply circuit and the electric disk body; the method is as follows: the power supply is controlled by the power supply control circuit; a high electrical-level triggering signal is generated by data destruction pulse; data destruction action is executed by the electric disk body; after that, a feedback signal is provided; and the automatic discharging circuit provides a switch-off signal for the power supply control circuit, which is followed by end. According to the invention, the data destruction is executed by the backup power supply, so that the data destruction function can be finished by the electric disk under both of electrified or non-electrified conditions.

The invention provides a nuclear power plant area security method. The method comprises steps: a drone conducts inspection on the nuclear power plant area, peripheral person and surrounding environment images of the nuclear power plant area are photographed, own position coordinates are also acquired, and the images and the own position coordinates are transmitted to a command center; the commandcenter performs person image comparison, after the person is determined to be an outside person, comparison among the surrounding environment image photographed by the drone, the drone position coordinates, a warning area boundary identification line position and an environment image is carried out, the current intrusion behavior and the previous intrusion record of the outside person are determined, and in preset warning levels and corresponding security strategies, the warning level triggered by the outside person currently is obtained, the corresponding security strategy is started and executed to stop intentional invasion or destruction of the outside person. When the method and the system are executed, on the basis of not increasing manpower input, multi-dimensional, low-blind area and high-efficiency novel security is formed, the nuclear power plant warning efficiency can be effectively enhanced, and the possibility of deliberate intrusion or destruction by persons can be reduced.