213results about How to "Reliable conduction" patented technology

A microphone element having a diaphragm and a fixed electrode disposed opposite to each other on a silicon board having a central opening portion is mounted and fixed onto a base board having a sound hole. A perimeter-shaped side board and a cover board are mounted and fixed onto the board, thereby forming a back cavity on an upper side of the microphone element. The diaphragm and the fixed electrode are conducted to conductive layers of the cover board through conductive layers of the base board, and a conductive layer and a coiled spring in the side board respectively, and mounting on a surface of a printed board of an external apparatus can be carried out in a conductive layer on an upper surface thereof.

A microactuator element as an example of an electrical component is disposed on a metallic, electrically conductive plate member. A conductive resin member is disposed on a current-carrying part of the conductive plate member and a conduction part of the microactuator element. A thin porous plating layer of thickness 100 nm or less includes a large number of gold particles is formed in a region of a surface of the conductive plate member which covers the current-carrying part. The conductive resin member is secured to the conductive plate member through the thin porous gold plating layer and electrically connected to the conductive plate member.

A liquid crystal panel 1 has a configuration in which an element substrate 10 including routing wiring 16 and a counter substrate 20 including scanning lines 25 are adhered with a sealing material 30 therebetween and, in addition, a liquid crystal is injected between both substrates through a liquid crystal injection hole 30a formed in the sealing material 30. The scanning lines 25 are brought into conduction with the routing wiring 16 through conducting particles 32 dispersed in the sealing material 30. However, the scanning lines 25, which have end portions reaching the neighborhood of the liquid crystal injection hole 30a, among the plurality of scanning lines 25, are brought into conduction with the routing wiring 16 through conducting particles 32 dispersed in a vertical conduction portion 37 or through the conducting particles 32 in both the sealing material 30 and the vertical conduction portion 37.

A heterojunction bipolar transistor with InGaP as the emitter layer and capable of both reliable electrical conduction and thermal stability wherein a GaAs layer is inserted between the InGaP emitter layer and AlGaAs ballast resistance layer, to prevent holes reverse-injected from the base layer from diffusing and reaching the AlGaAs ballast resistance layer.

A biological molecule biochip that supports biological molecules between a first member and a second member; in either the first member or the second member, by forming a plurality of grooves in parallel in a face that makes contact with the other member, a plurality of spaces are provided that become reaction regions.

A blood test device (21) ensuring successful measurement wherein fingers scarcely slip out from the blood test device and blood never sticks to other sites in the course from the puncture of the patient's skin to the completion of the blood test. This blood test device (21) comprises a cartridge (24) in which sensors (23) pooling blood oozing out from the punctured skin are stored in a layered state, a transport unit transporting a single sensor sheet (23) from the inside of the cartridge (24) to the outside, a holder (25) holding the transported sensor (23), a laser emitting unit (26) puncturing the skin in the state where the sensor (23) is held by the holder (25), and a pump (28) keeping the inside of the holder (25) and the inside of the cartridge (24) under negative pressure.

There is provided a liquid jetting apparatus, including: a channel structure in which a liquid channel including a nozzle and a pressure chamber communicating with the nozzle is formed; a piezoelectric element including a piezoelectric body and an electrode; a driving device; and a cover member joined to the surface of the channel structure. A first wiring section connected to the electrode is formed on the surface of the channel structure, and the cover member includes a cover body section and a wiring connection section. A second wiring section is formed in the cover member. The wiring connection section is joined to the surface of the channel structure in a state that the second wiring section is electrically conductive with the first wiring section. A thickness, of the wiring connection section is thinner than a thickness of the cover body section.

A method and apparatus allow the computer based implementation of an auction of heterogeneous types of items wherein one or more types of the items may include plural items. At any point in the bidding process, the set of feasible assignments of the items, given the bidding state, is the set of all possible allocations of the available quantity of the types of items to the bidders, subject to satisfying all the constraints on the assignment of the items, the constraints on the bidding process and the constraints posed by the bidding state. There may be a time in the auction when, based on the bidding state, one or more items (of one or more types) can only be assigned to one particular bidder in any feasible assignment, i.e., the particular bidder is guaranteed to be assigned the item. Such item is assigned to such bidder at such time.

A design method and a design device can design an optimal optoelectronic circuit in a relatively short period of time by exploiting the performance of hardware. They have a step of generating a connection list to be carried by electric circuits (electric nets) and a connection list to be carried by optical connections (optical nets), a step of designing the layout of electric circuits and subsequently designing optical connections and a step of evaluating the designs.

A conductive member has a first face adapted to be mounted on a board on which an inspection circuit is arranged and a second face adapted to be opposed to a device to be inspected. The conductive member is formed with a plurality of first through holes having a first common diameter and communicating the first face with the second face. A first contact probe is provided with a first tubular body having a second diameter which is smaller than the first diameter, and a first plunger retractably projected from one end of the first tubular body. A second contact probe is provided with a second tubular body having a third diameter which is smaller than the second diameter, and a second plunger retractably projected from one end of the second tubular body. A retainer is formed with a plurality of second through holes having a common shape, and provided on at least the second face of the conductive member so as to communicate the first through holes with the second through holes, so that the first contact probe and the second contact probe are retained in the conductive member while only the first plunger and the second plunger are projected from one ends of the second through holes.

This surge absorber includes an insulating part upon which is formed a conductive layer which is divided into two separate portions by a discharge gap (micro gap) around its circumferential surface; a pair of terminal electrodes which are arranged to oppose the insulating part, and contacts the conductive layer; an insulating tube at the ends of which the terminal electrodes are arranged, and which seals the insulating part in its interior along with seal gases; and a conductive portion provided at least between the terminal electrodes and the conductive layer. As a result, it becomes possible to provide a surge absorber of lower cost, and which is endowed with stabilized performance and high quality, while moreover it exhibits excellent durability.

A conductive member has a first face adapted to be mounted on a board on which an inspection circuit is arranged and a second face adapted to be opposed to a device to be inspected. The conductive member is formed with a plurality of first through holes having a first common diameter and communicating the first face with the second face. A first contact probe is provided with a first tubular body having a second diameter which is smaller than the first diameter, and a first plunger retractably projected from one end of the first tubular body. A second contact probe is provided with a second tubular body having a third diameter which is smaller than the second diameter, and a second plunger retractably projected from one end of the second tubular body. A retainer is formed with a plurality of second through holes having a common shape, and provided on at least the second face of the conductive member so as to communicate the first through holes with the second through holes, so that the first contact probe and the second contact probe are retained in the conductive member while only the first plunger and the second plunger are projected from one ends of the second through holes.

The invention discloses an electric power-assisted steering system which comprises a relay, a main MCU (Microprogrammed Control Unit) and an auxiliary MCU, wherein a normally-open contact of the relay is connected in a power-assisted motor driving loop in series; the main MCU and the auxiliary MCU carry out data transmission in a serial communication mode; the relay is jointly controlled by the main MCU and the auxiliary MCU; in the electrified initial operation period, the switching logic of the relay is diagnosed, and whether the relay can be controlled by the two MCUs to actuate according to correct logic is judged; in the program polling operation period, the two MCUs mutually monitor the operating states, when any one of the two MCUs breaks down, the relay is switched off through the other normally-operating MCU, a power supply of the motor-assisted motor driving loop is cut off, and the electric power-assisted steering system is enabled to be switched to the mechanical steering mode. With the adoption of the electric power-assisted steering system, the potential safety hazards in a hardware watchdog or a software watchdog can be solved, and the system security is guaranteed.

A method and apparatus allow the computer based implementation of an auction of heterogeneous types of items wherein one or more types of the items may include plural items. At any point in the bidding process, the set of feasible assignments of the items, given the bidding state is the set of all possible allocations of the available quantity of the types of items to the bidders, subject to satisfying all the constraints on the assignment of the goods, the constraints on the bidding process and the constraints posed by the bidding state. Depending on the particulars of the bids, there may be one or more items (of one or more types) which are only included in the bid of a single bidder. The bidding is constrained such that once an item is uniquely spoken for, that bidder is guaranteed to receive the item. The item is said to be desired by only one bidder and such item is assigned to that bidder at the time. The auction continues until all items are assigned.

The invention relates to the field of power system devices, in particular to a novel method for triggering thyristor for converter valve module test. The triggering method adopts a digital triggering technology, and VBE (Valve-Based Equipment) receives a synchronous signal and can generate a triggering coded pulse with any phase angle which can be conveniently and flexibly adjusted according to the synchronous signal. The reliable triggering of a thyristor under a low voltage is a basis for ensuring the normal and reliable operation of a converter valve and needs two conditions: (1) the voltage difference between the anode and the cathode of the thyristor is a positive voltage, and (2) the thyristor can be triggered and conducted only when the triggering pulse is received. The triggering pulse for reliably triggering the thyristor under a low voltage is provided by TE (Thyristor Electronics), a low-voltage circuit provides the TE with energy for normal work, the TE receives and decodes the triggering coded pulse from the VBE and then provides a voltage and a current to trigger and conduct the thyristor through a power amplifier so as to trigger and conduct the thyristor.

Discussed is a display device including a substrate having at least one of a first and a second electrode, a conductive adhesive layer configured to cover the wiring substrate, and a plurality of semiconductor light emitting devices coupled to the conductive adhesive layer, and electrically connected to the first and second electrode, wherein the conductive adhesive layer has a first conductive adhesive layer disposed in a first region and a second conductive adhesive layer disposed in a second region adjoining to the first region such that the conductive adhesive layer is partitioned into a plurality of regions on the wiring substrate.

The invention discloses a totem-pole bridgeless PFC circuit, a power conversion device and an air conditioner. The totem-pole bridgeless PFC circuit comprises at least one upper bridge arm MOS tube, at least one lower bridge arm MOS tube, an inductor, a filter capacitor and at least one bootstrap circuit, wherein each upper bridge arm MOS tube and the lower bridge arm MOS tube are connected in series to form a switch bridge arm circuit; the bootstrap circuit corresponds to the number of the switch bridge arm circuits; the output ends of a driving power supply circuit are respectively connectedto a grid electrode of the lower bridge arm MOS tube and the input end of the bootstrap circuit; the output end of the bootstrap circuit is connected to a source electrode of the upper bridge arm MOStube, wherein the driving power supply circuit is used for driving the conduction of the upper bridge arm MOS tube and / or the lower bridge arm MOS tube; and the bootstrap circuit and the driving power supply circuit form a charging loop for storing electric energy when the corresponding lower bridge arm MOS tube is conducted. According to the totem-pole bridgeless PFC circuit, the power conversion device and the air conditioner, a problem that the upper bridge arm MOS tube cannot be reliably conducted due to the fact that the bootstrap capacitor cannot be charged or has insufficient charge.

A device and a method for the optical scanning of a machine-readable label applied to an object are proposed. The device has at least one belt conveyor (1) and one receiving tray, which are located sequentially spaced apart. A scanning device (3) is located between the belt conveyor (1) and the receiving tray. An additional conveyor device (4) is provided close to the belt conveyor (1) and the scanning device (3) which has several carriers (7) running perpendicular to the direction of travel of the belt conveyor (1). Between two carriers (7) there is a space (12) to accommodate an object. The conveying device (4) covers the scanning device (3) completely and the belt conveyor (1) at least partially. An object is placed on the belt conveyor (1) between two carriers (7) with the side carrying the label and taken across the scanning device (3) by the carriers (7). Then the object is taken to the receiving tray by the carriers (7).

An inhaler, preferably for insertion into a nostril, in particular a horse's nostril, with a pressure generator, which has a tensioning device for the drive, and with a tensioning mechanism for tensioning the tensioning device, whereby the tensioning mechanism has a lever gear for tensioning the tensioning device.

A first connector housing is provided with a flexible lock arm. A tubular fitting detector is fitted to an outer periphery of the first connector housing while being slidable thereon between a first position and a second position. A retainer is provided on the fitting detector, and adapted to be engaged with a first portion of the lock arm in a case where the fitting detector is placed at the first position, and engaged with a second portion of the lock arm in a case where the fitting detector is placed at the second position. A second connector housing is provided with a projection adapted to release the engagement between the retainer and the first portion of the lock arm in a case where the second connector housing is completely fitted with the first connector housing, so that the fitting detector is allowed to slide from the first position to the second position. A finger pad is provided on the fitting detector, and arranged such that an operator's finger is placeable thereon while being separated from at least the lock arm, during a fitting operation between the first connector housing and the second connector housing.

An electro-optical device that displays an image on a display region on a substrate based on an input signal, includes a driving circuit element that has a plurality of electrode sections; a flexible printed board that has a plurality of first wiring lines; and an anisotropic conductive sheet that is formed to extend across the driving circuit element and the flexible printed board on the substrate and in which the plurality of electrode sections are electrically connected to a plurality of second wiring lines on the substrate, respectively, and the plurality of first wiring lines are electrically connected to the plurality of second wiring lines, respectively.

The invention discloses a segmental assembling box girder construction technology. A constructed box girder is composed of multiple porous girders. Each porous girder is formed by assembling multiple box girder segments from back to front. When the constructed box girder is constructed, the process includes the following steps that firstly, the box girder segments are prefabricated, wherein all the box girder segments used for forming the constructed box girder are prefabricated in a prefabrication site in a concentrated manner; secondly, the box girder segments are transported, wherein all the box girder segments are transported to the erection position of the constructed box girder through a girder transport vehicle; thirdly, the box girder is erected, wherein the constructed box girder is erected and constructed through a descending bridge girder erection machine, and the descending bridge girder erection machine comprises a bottom horizontal supporting system, a main girder system, a longitudinal moving system, a cantilever crane, an assembling frame and an assembling vehicle; and fourthly, a system is converted, wherein the system is converted after the erection construction process is finished. By the adoption of the segmental assembling box girder construction technology, the technological step is simple, design is reasonable, construction is easy and convenient, a construction process is easy to control, a use effect is good, the segmental assembling box girder assembling process can be simply, conveniently and rapidly finished, and the construction quality is easy to guarantee.

A lamp comprising a lamp tube, the lamp tube having a positioning slot formed on an inner side of the lamp tube for receiving a circuit board; two end covers installable at both ends of the lamp tube; each end cover comprises two electrical terminals for receiving electrical power from a source, and each end cover includes a conductive terminal disposed on an inner side of the end cover and coupled to the electrical terminal; and a circuit board arranged to be positioned in the positioning slot, the circuit board includes two sockets disposed at both ends of the circuit board; wherein in operation the conductive terminal of each end cover is plugged into the respective socket to conduct electric power.

The invention provides a forward topology synchronous rectification driver circuit comprising a rectifying tube Q3 and a follow current tube Q2, wherein the rectifying tube Q3 is connected between the secondary-side synonym end of a transformer and ground, and the follow current tube Q2 is connected between the secondary-side homonym end of the transformer and the ground; and an output inductor L1 is connected between the secondary-side homonym end of the transformer and the output end of a circuit. The driver circuit also comprises an auxiliary winding T1B of the transformer, wherein the synonym end of the auxiliary winding T1B of the transformer is connected with the cathode of a diode D1, the collector electrode of a triode VT1 and the public end of the first end of the auxiliary winding T1B of the transformer by a resistor R4; the second end of the resistor R2 is connected with the base electrode of the triode VT1 and the cathode of a stabilivolt D2 of which the anode is earthed by a resistor R5; the anode of the diode D1 is connected with the emission electrode of the triode VT1 and the first end of the resistor R1; the second end of the resistor R1 is connected with the gridelectrode of the follow current tube Q2; and the homonym end of the auxiliary winding T1B of the transformer is connected with the output end of the circuit.