196results about How to "Help miniaturization" patented technology

The invention relates to the technical field of unmanned aerial vehicles and discloses a pan-tilt attitude detection method and a pan-tilt attitude detection device. The method comprises the following steps: acquiring data of a pan-tilt inertia measurement unit, wherein the data of the inertia measurement unit includes angular velocity data of a gyro and accelerometer data; performing quaternion integral operation on the data of the inertia measurement unit; changing the data of the inertia measurement unit from quaternion expression into rotation matrix expression; and changing the data of the inertia measurement unit from the rotation matrix expression into eulerian angle expression, wherein the step of performing the quaternion integral operation on the data of the inertia measurement unit comprises the following sub-steps: by taking the rotation matrix expression as feedback, performing feedback correction on the quaternion expression, acquiring pan-tilt attitude data through an attitude heading system, performing pan-tilt attitude expression by adopting different algorithms and compensating and correcting the pan-tilt attitude. Therefore, the accuracy of the pan-tilt attitude detection is improved.

A high-frequency circuit comprising a switch circuit connected to an antenna terminal, first and second diplexer circuits connected to the switch circuit, first and second power amplifier circuits connected to the first diplexer circuit, first and second bandpass filter circuits connected to the first and second power amplifier circuits, a third bandpass filter circuit connected to the second diplexer circuit, a detection circuit disposed between the switch circuit and the first diplexer circuit, and a low-noise amplifier circuit disposed between the switch circuit and the second diplexer circuit.

The present invention discloses a sampling system anti-collision device and an anti-collision method. The sampling system comprises a moving mechanism, a motor and so on. The anti-collision device comprises a code wheel, an optical coupling, a position signal detecting unit, a drive pulse counting unit and a drive pulse delivery unit. Wherein, the code wheel or the optical coupling is connected with the moving mechanism. The code wheel is provided with uniformly-spaced transparent slits. The optical coupling detects the transparent slit on the code wheel while moving relatively and outputs a detecting signal with periodical level variation. In addition, the position signal detecting unit determines whether a position signal is output to the drive pulse counting unit. The drive pulse counting unit judges whether the sampling system undergoes collision according to the position signal. Moreover, the present invention discloses a sampling system comprising the anti-collision device. The present invention can effectively detect collision state of the sampling system, make immediate response, stop sampling system operation, ensure personal safety and prevent instrument damages.

An external terminal 30 comprises a terminal electrode connection part 32 connected to the terminal electrode 22 to face to the end surface of the element body 26; a mounting connection part 34 connectable to a mounting surface 62; and a joint part 36 which joins the terminal electrode connection part 32 with the mounting connection part 34 to separate one side surface 26a of the element body 26 closest to the mounting surface 64 therefrom. A width W1 of the joint part 36 along a direction parallel to the mounting surface 62 is smaller then a width W0 of the terminal electrode connection part 32.

PURPOSE: To provide a battery cap unit which prevents degradation of accuracy of a protection unit by using a heat sensitive switch as one and can constitute a compact, fit for assembly, and low-cost battery by integrating and unitizing the protection unit with a battery cap body. CONSTITUTION: The unit is provided with a metal battery cap body 2 sealing a battery cell 1 used for a secondary battery and shielding the inside of the cell, and a heat sensitive switch 4 making changeover of switching at a given temperature, and it is so structured that the heat sensitive switch 4 is fitted to the battery cap body 2 and the heat sensitive switch 4 and the battery cap body 2 are integrated, to aim at unitization.

The invention relates to a multi-sensor-based micro-satellite attitude determination method, which determines the attitude of a micro-satellite by using a MEMS gyro, a magnetometer and a sun sensor asattitude determination sensors based on an improved federated filtering algorithm. According to the present invention, the application background of the micro-satellite is fully considered, and the sensors with advantages of low cost, small volume, low power consumption and the like are selected as the attitude sensors, wherein the MEMS gyro is used as the main attitude sensor, the initial attitude determination information is obtained through integral, and the magnetometer and the sun sensor are used as the auxiliary attitude sensors to timely correct the attitude determination result of theMEMS gyros; and the improved federated filtering algorithm is provided, and achieves the attitude calculation and information fusion based on the sensors, such that the attitude determination precision of the micro-satellite attitude determination system is effectively improved, and the advantages of excellent good fault tolerance, good real-time performance and the like are provided.

The invention discloses a single-optical-port wavelength division multiplexing / demultiplexing photoelectric transceiver device. A pin and a glass carrier are respectively arranged above and below a collimating lens of the device. A total reflector plate and a band-pass optical filter array are respectively bonded on the upper surface and the lower surface of the glass carrier. A glass partition is arranged below the glass carrier. An optical circulator is arranged above the glass carrier or on one side surface of the glass partition. A laser transmitting module and a detector receiving module are respectively arranged on the two side surfaces of the glass partition. The single-optical-port wavelength division multiplexing / demultiplexing photoelectric transceiver device has the advantages that since the laser module and the detector module share the same multiplexer / demultiplexer and one public optical port, the input and the output of downlink detector signals and uplink laser signals from the same optical port can be realized, the used device cases and the size of a module can be effectively reduced, the miniaturization and the integration of the device and the module are facilitated and the working wavelength of the device can be applied to the situation of simultaneous working of multi-channel wavelength of CWDM (Coarse Wavelength Division Multiplexing) and LWDM (LAN Wavelength Division Multiplexing).

The embodiment of the invention provides a miniature antenna of a laptop and a mobile electric apparatus, wherein the miniature antenna comprises a first antenna for providing antenna service of a first mode, a second antenna for providing antenna service of a second mode; the first mode is different from the second mode; and the grounding branch of the first antenna is coupled to a radiation branch of the second antenna. The embodiment of the invention can improve the performance of antenna in complicated environment and realize coexistence of multiple antenna systems in the laptop.

An image scanner includes a light source (2), an imaging optics system (1), an imaging element section (41), a memory (5), and a processor unit (6). The imaging optics system is an optics system for collecting scattered light reflected on an object being imaged to image such collected light as a picture image, and has a plurality of cells (11) and the like which are arranged plurally in a main scanning direction (211) as independent imaging optics systems respectively and form a telecentric optics system at a manuscript side, while arranging the cells in two lines in a sub-scanning direction (212). Each cell in a respective line is arranged in a zigzag pattern in the main scanning direction such that imaged pictures can be complemented between each cell in the sub-scanning direction. The imaging element section is arranged corresponding to each of the cells. The processor unit restores the image information stored on the memory to the picture images and synthesizes those picture images to create a manuscript image.

The present invention aims to provide an engine device which allows a gas purifying filter (1) as a part constituting an engine (70) to be highly rigidly mounted to the engine (70), which eliminates the need that each device of a vehicle has countermeasures for exhaust gas, and which enhances the versatility of the engine (70). The engine device provided by the invention is provided with a diesel engine (70) having an exhaust manifold (71), and also with an exhaust gas purifying device (1) for purifying exhaust gas discharged by the diesel engine (70). Filter support bodies (19) for supporting the exhaust gas purifying device (1) are provided to the upper part of a flywheel housing (78) of the diesel engine (70). The exhaust gas purifying device (1) is connected to the exhaust manifold (71) and also connected to the flywheel housing (78) through the filter support bodies (19).

The invention discloses a method and device for an FPGA (field programmable gate array) to communicate with a DSP (digital signal processor) via a DDR2 (double data rate 2) interface. The method comprises: initializing the DDR2 interface in the electric starting process; receiving timing sequence configuration of a DDR2 controller of the DSP; generating a reading and writing timing sequence according to reading and writing instructions and the timing sequence configuration when receiving the reading and writing instructions sent by the DDR2 controller; and performing reading and writing operations indicated by the reading and writing instructions at the reading and writing timing sequence. By utilizing the method and the device, the FPGA is enabled to communicate with the DSP via the DDR2 interface, thus the cost and resource consumption of the FPGA chip devices communicating with the DSP are reduced.

Disclosed is a preferable structure for an external electrode which is used in a multilayer ceramic capacitor and also serves as a resistor element. The external electrode having such a structure is not reduced even by firing in a reducing atmosphere, thereby allowing an internal electrode to use Ni or a Ni alloy, and realizes good electrical connection with the internal electrode. Specifically disclosed are external electrodes (6, 7) formed on the outer surface of a capacitor main body (2) which respectively have a structure comprising a conductive layer (8) and a metal plating layer (9) formed on the conductive layer (8). The conductive layer (8) has a composition containing a glass component and a complex oxide such as an In-Sn complex oxide that is reactive with Ni or a Ni alloy.

The objective of the present invention is to provide: a glass interposer having high reliability and excellent electrical characteristics, which has a through electrode that is free from voids, and wherein a wiring line exhibits good adhesion to a glass base; and a method for producing this glass interposer. The method for producing a glass interposer comprises: a step wherein a wiring formation part (3) in a first layer and a land formation part (4) in the first layer are formed within a glass base (1); a step wherein a metal layer (6) is formed only on the front surface of the glass base (1); a step wherein a blind hole (7) is formed only in a portion of the glass base (1), said portion extending from the land formation part (4) in the back surface to the land formation part (4) in the front surface; a step wherein a buried through electrode (8) is formed in the blind hole (7) by electrolytic plating using the metal layer (6); a step wherein a metal layer (14) is formed on the back surface of the glass base (1); and a step wherein the metal layers (6, 14) on the front and back surfaces of the glass base (1) are polished until the glass base (1) is exposed therefrom.

The present invention provides an electrically operated valve which can reduce the number of components and facilitate assembling and downsizing particularly when a back pressure chamber is arranged in a large-sized electrically operated valve. In the electrically driven valve, a screw joint (A) formed between an outer thread part (41) of which an outer peripheral surface is provided with an outer thread (41a) and an inner thread part (6a) on which an inner peripheral surface is provided with an inner thread (6d) turns rotational motion of the rotor (4) into linear motion and enables the valve element (17) to move linearly in the axial direction based on the linear motion. The electrically operated valve is characterized in that the inner thread part (6a) provided with the inner thread (6d) and a valve element guiding part (6b) that guides the valve element (17) to move in the axial direction are integrated into one member, and the valve element (17) is guided in the axial direction in such a way that the valve element (17) slidably contacts with the inner peripheral surface of the valve element guide member (6b).

The invention discloses a flexible steering drilling tool, and relates to the technical field of drilling. According to the flexible steering drilling tool, the passing ability of the flexible steering drilling tool is improved through a flexible driving drilling column and a flexible driving control system, and the problem of well track control in a well with an extremely short radius is solved; by arranging a deflection guiding mechanism, the flexible steering drilling tool can drive a drill bit to deflect in the preset direction under the rotary drilling condition; drilling power transmission is achieved through a plurality of bearing short sections connected through universal transmission mechanisms; and the deflection guiding mechanism and an electric driving actuator are arranged in different functional short sections correspondingly and connected through the flexible transmission mechanisms, the length of a steering drilling section and the distance between the universal transmission mechanisms are decreased to the maximum extent, and the control problem of the flexible steering drilling tool is solved. According to the flexible steering drilling tool, drilling of the well with the short radius and the extremely short radius can be achieved, or steering drilling is continuously conducted through the well with the short radius and the extremely short radius.

The present invention provides an inkjet head liquid feeding device and an inkjet head cleaning device, which do not cause the complexity of the pipeline and do not cause gas to remain in the liquid delivery pipeline when the liquid material is supplied to the inkjet head, Furthermore, the hydraulic pressure of the liquid material supplied to each inkjet head is made uniform. Each independent liquid-feeding pipeline (3) used for supplying the liquid material communicated with a plurality of ink-jet heads (4) respectively is connected to a common liquid-feeding pipe communicated with an ink tank (1) storing a kind of liquid material On the road (2), and each independent diffuser pipeline (19) that can circulate gas is connected to the bypass pipeline (18a) (common diffuser pipeline 18) that can be opened and closed to the atmosphere. The gas pipeline (19) and the common liquid delivery pipeline (2) communicate with each connecting portion of each independent liquid delivery pipeline (3), or each inkjet head (4), or both of them respectively.

First and second through-side field effect transistors are connected between first and second high frequency signal input / output terminals, and an antenna, respectively. The first and the second high frequency signal input / output terminals are connected with one end of the first and the second shunt-side field effect transistors, respectively. A series resonant circuit including a shunt capacitor and a bonding wire is connected between the other end of the first and the second shunt-side field effect transistors, and a ground.

The invention provides a short-radius drilling tool. The short-radius drilling tool comprises a guide drilling short section, a driving drill string and a driving control short section, the guide drilling short section comprises a guide short section and a drill bit, the guide short section comprises a bearing body, a deflection guide mechanism and an electric driving actuator are arranged on thebearing body, the drill bit is connected with the bearing body, the deflection guide mechanism can drive the drill bit to deflect in a preset direction, the driving drill string comprises a pluralityof bearing short sections which are sequentially connected from top to bottom, the bearing short section located at the lowest position is connected with the bearing body, every two adjacent bearing short sections are hinged through a bit pressure torque deflection transmission mechanism, the bearing short sections are hinged to the bearing body through the bit pressure torque deflection transmission mechanism, the driving control short section is provided with an electric driving actuator driving control circuit, and the electric driving actuator driving control circuit is electrically connected with the electric driving actuator through a jumper circuit. According to the short-radius drilling tool, the short build-up rate can be achieved, the length of the guide short section is effectively shortened, and then the directional drilling function can be achieved in a high-curvature borehole more easily.

The invention relates to the semiconductor lighting technology, in particular to an LED fluorescent lamp and an installation method thereof. The LED fluorescent lamp according to embodiments comprises a glass inner tube, a glass outer tube enclosing the glass inner tube, end covers covering two ends of the glass inner tube, an LED drive power source, a plurality of LED units, and a drive circuit module; each end cover is provided with pins adapting to a fluorescent lamp holder; the LED drive power source comprises an elongated substrate fixed within the glass inner tube; the drive circuit module is arranged at one end or two ends of the elongated substrate and electrically connected with the LED units and the pins.

To evenly cool down an armature winding along the circumferential direction of a stator in a generator motor. A generator motor includes a stator (1) fixed to the inner diameter side of a housing (18), a rotor (130) rotatably supported by a bearing (5), and an armature winding wound around the teeth of a stator core (110). A bracket (200) provided via the bearing (5) has a passage (201, 202) through which cooling oil flows and an injection hole (204) which communicates with the passage and injects cooling oil at a position opposite the winding end of the armature winding. Cooling oil is injected toward the winding end of the armature winding from the injection hole (204) of the bracket (200) arranged on both sides of a shaft (6) in the axial direction. In the flow distribution of oil from a plurality of the injection holes (204), oil flow is set to be greater the higher the position of the injection hole is above the level of the shaft (6). The placement pitch of the injection holes (204) on the bracket (200) is narrower at the upper positions in the vertical direction of the bracket (200), and gradually becomes wider closer to the level of shaft (6).

The present invention provides a cast insulation resin for an electric apparatus having an improved fracture toughness. The cast insulation resin for an electric apparatus is a cast insulation resin used in an electric apparatus, comprising at least either a polar fine elastomer particle or a liquid elastomer having a polar molecule dispersed in an epoxy resin, and a filler formed of at least either an inorganic compound or an inorganic compound having a modified surface thereon with an organic compound. The invention also provides a high voltage electric apparatus using the same.

To realize a thin plate material having a distribution state of nonmetallic inclusions effective at improving fatigue resistance characteristics in a type of stainless steel having a high Si content in which deformation-induced martensite is generated. A thin steel plate comprising, in terms of mass%, 0.010-0.200% C, over 2.00% and no more than 4.00% Si, 0.01-3.00% Mn, 3.00% to less than 10.00% Ni, 11.00-20.00% Cr, 0.010-0.200% N, 0-3.00% Mo, 0-1.00% Cu, 0-0.008% Ti, and 0-0.008% Al, the remainder being Fe and unavoidable impurities, the distance between particles in a rolling direction being20 [mu]m or less, the distance between particles in a plate thickness direction being 10 [mu]m or less, and the number density of nonmetallic inclusions having a length in the rolling direction of 40[mu]m or greater being 3.0 inclusions / mm2 or less in an L cross-section.

Supply of the collector electrode of a transistor (1) used for amplification is supplied by voltage converted by a DC / DC converter (11). The output voltage of the DC / DC converter (11) is determined by input impedance of a post-stage circuit module, for example, voltage of the DC / DC converter (11) is set, so for input impedance (generally 50 [omega]) of the post-stage circuit module, even though an output matching circuit is not used, output waveform of an amplification circuit becomes proper when being used as a modulation method (mode) of an object or using frequency (frequency band).

Provided are a film-like light shielding plate and a digital camera, a stop of a digital camera, a light amount adjustable stop device for a projector or a shutter to which the film-like light shielding plate is applied, wherein the film-like light shielding plate is comprised of a light shielding thin film with a sufficient light shielding property and a low reflective property in a visible light area that is widely applicable to an optical member is formed on a resin film of a base substrate. A film-like light shielding plate includes a light shielding thin film (B) comprised of a crystalline titanium oxide-carbide film that is formed on at least one surface of a resin film substrate (A), wherein the film-like light shielding plate is characterized in that the light shielding thin film (B) contains an amount of carbon that is equal to or more than 0.6 in the atomic number ratio of C / Ti and contains an amount of oxide that ranges from 0.2 to 0.6 in the atomic number ratio of O / Ti, the total thickness of the light shielding thin film (B) is made to be equal to or more than 260 nm, and an average optical density in the wavelengths ranging from 400nm to 800nm is equal to or more than 4.0.