69 results about "Elementary circuit" patented technology

The present invention provides a circuit, in which a device typified by a PLED element is built into a flip-flop. In this case, a storage node of the device is low leakage. According to the present invention, it is possible to realize a SRAM that has nonvolatility while achieving high-speed operation. It is also possible to realize a flip-flop having the same characteristics. An example of a typical mode of the present invention is a storage circuit characterized by the following: a storage element is a device incorporating: a first path for a carrier; a first mode for storing a charge that generates an electric field where conductivity of the first path is changed; and a barrier structure through which a second carrier moves in response to given voltage so that the second carrier is stored in the first node; and the storage circuit includes a second node, to which information stored in the first node is outputted steadily in a state in which power is supplied. The flip-flop and the SRAM are realized using such a basic circuit.

A semiconductor integrated circuit is constructed with composite pass-transistor logic circuits serving as elementary circuit units each including a plurality of pass-transistor logic trees and a multiple-input logic gate. A wide variety of logical operations, even complex opearations, can be efficiently expressed using the composite pass-transistor logic circuit, and the resultant logic circuit can operate at a high speed. Thus, the semiconductor integrated circuit of the present invention can realize various logic functions required for various users in an efficient fashion. The present invention is particularly useful when applied to a field-programmable gate array integrated circuit, since complex logical operations can be expressed in a simple and efficient fashion by the composite pass-transistor logic circuits. The gate array integrated circuit obtained in accordance with the present invention can operate at a high speed with low power consumption. The present invention also discloses a basic cell suitable for use in an integrated circuit in the form of a gate array, and more particularly, a programmable logic block for use in a field programmable gate array integrated circuit.

The present invention provides a display device which includes a common electrode drive circuit having the single channel constitution which can miniaturize a circuit scale without increasing elements compared to a conventional display device. A display device includes a plurality of pixels and a common electrode drive circuit. The common electrode drive circuit includes a plurality of basic circuits, wherein the basic circuit includes a first circuit which latches a first input signal at a point of time that a clock signal is changed to a first voltage level from a second voltage level; a second circuit which latches a second input signal at the point of time that the clock signal is changed to the first voltage level from the second voltage level; a first switching circuit which is turned on based on the voltage latched by the first circuit and outputs a first power source voltage to an output terminal in an ON state; and a second switching circuit which is turned on based on the voltage which is latched by the second circuit and outputs a second power source voltage to an output terminal in an ON state, wherein when the first input signal assumes the second voltage level, the second input signal assumes the first voltage level, and when the second input signal assumes the second voltage level, the first input signal assumes the first voltage level, and after the clock signal is changed to the second voltage level from the first voltage level and before the clock signal returns to the first voltage level from the second voltage level, either one of the first input signal and the second input signal is changed to the second voltage level form the first voltage level.

A shift register circuit has a plurality of shift pulse generation circuits, and a scanning voltage generation circuit has a plurality of base circuits. The base circuits are presented with a first shift pulse generated by a shift pulse generation circuit, and a scanning line clock. The base circuits have a first transistor in which the first shift pulse is input to a first electrode, and a first power supply voltage is input to a control electrode; and a second transistor in which a control electrode is connected to a second electrode in the first transistor, a scanning line clock is input to the first electrode, and the second electrode is connected to a scanning voltage output terminal. The base circuits output a selected scanning voltage synchronized with the scanning line clock from the scanning voltage output terminal when the first shift pulse is at a first voltage level.

Alarms are often required on various vehicles and equipment such as fork lifts, dump trucks, bulldozers, etc. An alarm is disclosed controlled by a microprocessor, which is an integral part of the basic circuit. The alarm has a flat diaphragm, and a novel acoustic lens. The acoustic lens is constructed such that sound emanating from the center of the diaphragm has a direct path to the outside of the alarm. Sound produced around the periphery of the diaphragm must pass through a path containing switchbacks, that serve as an acoustic delay line, so this sound is delayed in exiting the alarm. The result is an alarm that with full sound in the important regions such as behind and to the side rear of the vehicle, but is very quiet for the operator or driver of the vehicle. The microprocessor is relied upon for adjusting alarm output based on source voltage and varying the signal based on ambient noise, as well as specific signals for particular applications.

A monolithic integrated circuit is provided that includes at least one transmission line integrated into the circuit. The transmission line includes a series circuit of at least two elementary circuits, wherein each elementary circuit has at least one lumped inductive element (L) and/or at least one lumped capacitive element (C).

A fabricating method of a printed circuit board (PCB) with a cavity and a structure of the PCB fabricated by the method are provided. The method includes a first step of forming a base circuit board provided with an internal circuit layer having cavity circuit patterns on a surface of a substrate, a second step of forming a laser stopper layer on upper portions of the cavity circuit patterns, a third step of forming at least one external circuit layer on the base circuit board, and a fourth step of forming a cavity region by removing the external circuit layer on an upper portion of the laser stopper layer. Accordingly, in a fabricating method of a multi-layered PCB with a cavity, a laser stopper layer is formed on upper surfaces of cavity circuit patterns, so that it is possible to rapidly and precisely form the cavity, to precisely control the depth of the cavity and to have no influence on a circuit previously formed in the interior of the cavity.

The invention discloses a construction method of a heating ventilation air conditioning hot and cold water pipe network space topological structure, which comprises the following steps: 1) recording pipe section information of a water supplying pipe network and a water return pipe network and cold and heat source and user's information respectively; 2) building incidence matrix and elementary circuit matrix of the water supplying pipe network and the water return pipe network respectively; 3) building incidence matrix and elementary circuit matrix of the cold and heat source and the user respectively; 4) combining the incidence matrix of the water supplying pipe network and the water return pipe network and the incidence matrix of the cold and heat source and the user into a space pipe network incidence matrix; combining the elementary circuit matrix of the water supplying pipe network and the water return pipe network the elementary circuit matrix the cold and heat source and the user into a space pipe network elementary circuit matrix. Through the building of the heating ventilation air conditioning hot and cold water pipe network space topological structure, the topological structure of pipe network with arbitrary shape is built, and a traditional plane pipe network method is broken through, so as to realize hydraulic working condition simulation and analysis of multiple source multiple loop pipe network, asymmetrical pipe network and the like.

The invention relates to a camera module and first and second circuit boards thereof. The first circuit board comprises a ceramic substrate and a basic circuit which is integrated in the ceramic substrate, wherein the ceramic substrate is provided with an installation surface, a connection surface, and a side surface which is used for connecting the installation surface and the connection surface. The installation surface is used for installing an image sensing chip of the camera module group, and the side surface is recessed to form a card slot. The card slot is provided with a first inner wall and a second inner wall, wherein the first inner wall is close to the installation surface. The first circuit board also comprises two groups of first golden fingers which are respectively disposed on the first and second inner walls and are respectively connected with the basic circuit in an electrical manner. The card slot is in pluggable connection with the second circuit board of the camera module group, so as to enable the circuit board to be electrically connected with an external circuit board through the two groups of first golden fingers and the second circuit board of the camera module group. The first circuit board is used in the camera module group, thereby effectively shortening the manufacturing period of a sample.

An integrated circuit arrangement (1; 2; 3; 4) for setting a predefined phase difference (phi_target) between a first high-frequency signal (x1; x1p, x1n) and a second high-frequency signal (x2; x2p, x2n), comprising:

• e) a chain connection of a plurality (N) of basic circuits (10; 20; 30; 40), whereby each basic circuit has a first transmission line (11; 11p, 11n) for transmitting the first signal (x1; x1p, x1n), a second transmission line (12; 12p, 12n) for transmitting the second signal (x2; x2p, x2n), and a controllable phase-influencing means (13; 23; 33; 43), connected to the first transmission line, for controllably influencing the phase of the first signal,
• f) a phase difference detector (14; 34), which is connected to the output-side basic circuit and is formed to detect a current phase difference (phi_actual) between the first and second signal,
• g) a control unit (15; 35), which is connected to the phase difference detector and each controllable phase-influencing means (13; 23; 33; 43) and is formed to generate first digital control voltages, dependent on the current phase difference (phi_actual), as control signals (vt1, vt2, . . . ) for each phase-influencing means (13; 23; 33; 43), whereby the digital control voltage can assume only two different voltage values, and
• h) whereby each controllable phase-influencing means (13; 23; 33; 43;) has at least one first tunable capacitive unit (16; 16p, 16n; 46p, 46n), which is connected to the first transmission line and the control unit and is designed to delay the first signal depending on one of the first control signals.

A gate signal line driving circuit includes plural basic circuits, each outputting to a gate signal line a gate signal which is high during a high signal period and low during a low signal period. Each of the basic circuits includes: agate line high voltage application circuit which is turned on in accordance with the high signal period to apply the high voltage to the gate signal line; a gate line low voltage application circuit which is turned on in accordance with the low signal period to apply the low voltage to the gate signal line; and a second gate line low voltage application circuit which is turned on to apply the low voltage to the gate signal line in at least a part of a period between turning off the gate line high voltage application circuit and turning on the gate line low voltage application circuit.

A system that simulates an integrated circuit is formed of a plurality of devices. The system initially performs a fundamental circuit simulation run using original parameters for the plurality of devices and an initial time step. The system generates one or more fundamental time steps from the fundamental circuit simulation run. The fundamental time steps are generated when changes that indicate state time derivatives during two or more successive integration steps are within a predetermined range. The system stores the one or more fundamental time steps as fundamental circuit events in an events queue, and updates the parameters for the plurality of devices based on the fundamental circuit events to generate one or more derivative circuits. The system then performs one or more derivative circuit simulation runs using the derivative circuits.

The invention discloses a double-working-condition semiconductor refrigeration type fruit and vegetable distribution box and a control method thereof. The distribution box includes a distribution box body provided with an air guide baffle, a cold guide aluminium plate, a cold equalizing plate and a heat dissipation aluminium plate, as well as a basic circuit module, a master control module, an executing mechanism and a signal acquisition module, wherein the basic circuit module includes a power source circuit, a crystal oscillation clock circuit, a reset circuit and a power source conversion module; the master control module includes a central controller, a program writing circuit, a keyboard circuit, an LCD display circuit and an executing mechanism control circuit; the executing mechanism includes a cold guiding blower, a heat dissipation blower and a semiconductor refrigeration module; the signal acquisition module includes a temperature sensor circuit. During working, the cold guiding blower drives air flow to circulate in a forced manner, so that air flow absorbs cold energy at the cold guide aluminium plate, cold air flow passing through the air guide baffle is guided to the fruit and vegetable fresh-keeping environment and transfers heat with fruits and vegetables and then reflows to the cold guide aluminium plate, as a result, the refrigeration and cooling are realized. According to the invention, the distribution box has the advantages that the temperature is adjustable, the temperature reduction is uniform, the control is flexible, energy is saved, and the environment is protected, and the like.

The particle detection circuit comprises a plurality of basic circuits. Each basic circuit comprises a particle detector element connected to an associated counter and a summing circuit having a first input connected to the output of the counter. Basic circuits, each forming a subpixel, are grouped together by series connection of their summing circuits to form a pixel. The output of the pixel, formed by the output of the summing circuit of a last basic circuit of the pixel, supplies counting signals representative of the number of particles detected by the set of basic circuits of the pixel. Disabling certain basic circuits of the pixel, by selective zero resetting of the first input of their summing circuit, can enable only the particles detected by certain zones of the pixel to be counted.

The invention provides an automotive electronic and electrical experiment box for teaching and its system, wherein the electronic and electrical experimental box for teaching includes a shell, a panel, automotive electronic and electrical components, a DC stabilized power supply, a modular circuit, supporting wires and intelligent faults Set up an assessment system, in which the modular circuits include automotive lighting basic circuits, automotive lighting parallel circuits, automotive lighting series circuits, automotive lighting hybrid circuits and other typical automotive circuits; intelligent fault setting assessment system to set typical faults, including practice, assessment, management There are three modes, and the assessment is carried out in different management modes, and the scoring is automatically completed. The automobile electronic appliance experiment box for teaching provided by the present invention is suitable for students majoring in automobile operation and maintenance in secondary vocational schools to carry out practical teaching of automobile electronic appliances, and can be equipped with typical circuit faults to meet the needs of skill examination and assessment requirements; at the same time, the DC voltage is stabilized The power supply is equipped with various protection functions, which is safe and reliable.

A shift register circuit having a level conversion function is provided with a simple circuit configuration. Each basic circuit of the shift register circuit includes: a first transistor of a second conductivity type having a first electrode to which a second supply voltage is applied; a second transistor of the second conductivity type having a first electrode connected to a second electrode of the first transistor and a second electrode connected to an output node; a third transistor of a first conductivity type having a first electrode to which a first supply voltage is applied and a second electrode connected to the output node directly or through another transistor, the first conductivity type being different from the second conductivity type; and a fourth transistor of the first conductivity type having a first electrode to which the first supply voltage is applied and a second electrode connected to the second electrode of the third transistor, wherein a clock signal is supplied to a control electrode of the first transistor, a set signal is supplied to a control electrode of the second transistor, a clear signal is supplied to a control electrode of the third transistor, a reset signal is supplied to a control electrode of the fourth transistor, and a voltage of the output node is an output of a scanning circuit.

The present invention relates to a display device, and more particularly to a display device which includes a drive circuit having a CMOS shift register which is constituted of a CMOS circuit. The display device includes: a plurality of pixels; and a drive circuit, wherein the drive circuit includes a shift register that includes n(n≧2) basic circuits connected vertically in multiple rows, the basic circuit includes a first transistor having a first electrode to which a clock is applied, and a second transistor of a second conductive type which is different from the first transistor of the first conductive type in a conductive type and has a second electrode thereof connected to a second electrode of the first transistor and has a second power source voltage applied to a first electrode thereof, an input signal is applied to a control electrode of the first transistor and a control electrode of the second transistor, and the second electrode of the first transistor is connected to a scanning circuit output terminal.

A circuit breaker includes several elementary circuit breakers (1) arranged as several segments (2), each suitable for powering several independent loads (3). These provisions make it possible to improve the thermal equilibrium on each segment by distributing the heating over all the segments. The segmental circuit breakers are more particularly suitable for multi-wire networks which power a single load through a multitude of wires of the network in parallel.