32results about How to "No size increase" patented technology

The present invention relates to an image pre-processing method for a pattern detection system, such as a bar code detection system. The method comprises the steps of: detecting a start point and an end point of a pattern on the basis of image data of at least a portion of a captured image, estimating a point spread function from the image data or a modified image data on the basis of the detected start point and the end point, and restoring the image data or the modified image data using the estimated point spread function.

The invention relates to a dual-notch UWB (ultra wide band) antenna based on a Mushroom-EBG (electromagnetic band gap) structure. The dual-notch UWB antenna comprises a partial metal grounding plate (10), a medium substrate (20), an antenna radiating patch (30), a 50 ohm feeder line (31) and two Mushroom-EBG structure units (40 and 50). The two Mushroom-EBG structure units (40 and 50) with different size parameters are respectively coupled with the 50 ohm feeder line (31) of a regular hexagon-shaped UWB antenna, so the signals of two frequency bands, namely WIMAX (worldwide interoperability for microwave access) and WLAN (wireless local area network), can be effectively filtered out. The dual-notch UWB antenna has the advantages that the antenna has good all-bearing radiating property and stable gain effect in the full frequency band, the notch property is good, and the antenna is suitable for the UWB wireless communication system.

Suppression of increase in size of semiconductor devices and reduction of noise. A semiconductor device comprises: a substrate (5), surface layers (9, 11) are respectively provided on both sides of a substrate core layer (7) made of a printed circuit board; semiconductor elements (1) are mounted on the substrate (5 )superior. The semiconductor element (1) is connected to one of the surface layers (9) by a connector (3), and an outer lead terminal (55) is arranged on the other surface layer (11). Through holes (41, 43, 45, 75, 77) are made in the core layer (7) to electrically connect the semiconductor element (1) with the outer lead terminal (55). The vias (41, 43, 45, 75, 77) comprise arrayed vias (41, 43, 45) arranged in accordance with the outer via array (55), one or more additional vias (75, 77) made in Between the arrayed through holes (41, 43, 45).

The invention is suitable for the technical field of spectrographs, and discloses a mobile phone spectrograph module and a mobile phone spectrograph with the mobile phone spectrograph module. The mobile phone spectrograph module comprises a shell with a slit. A plane-convex collimating lens used for collimating light rays entering the slit is arranged in the shell. A reflecting grating used for reflecting the light rays collimated by the plane-convex collimating lens and changing the incident polychromatic light into monochromatic light emitted in different directions is arranged on one side of the plane-convex collimating lens. A spherical reflecting mirror used for gathering the monochromatic light emitted by the reflecting grating is further arranged in the shell. A biconvex lens is arranged between the spherical reflecting mirror and the receiving face of a mobile phone camera. The mobile phone spectrograph comprises a mobile phone and the mobile phone spectrograph module. The mobile phone spectrograph module and the mobile phone spectrograph with the mobile phone spectrograph module are high in spectral resolution, compact in structure, easy to install and capable of being easily expanded and externally arranged.

The invention discloses an optical transmission window for an atomic clock. The optical transmission window includes a sleeve and an optical lens set in the sleeve; a cylindrical wall of the sleeve includes a vertical side wall; The bottom end of the vertical side wall portion is an extension portion extending outward along the circumference of the bottom end of the vertical side wall portion; the circumferential side wall surface of the optical lens and the vertical side wall of the cylindrical body wall The inner side wall surface of the part is sealed and fixed; the bottom surface of the optical lens is flush with the bottom edge of the vertical side wall part in the barrel wall. By improving the structure of the optical transmission window, the invention is suitable for the batch coating of the optical transmission window, and solves the problem that the traditional optical transmission window cannot be used for multiple optical transmission windows at one time due to the limitation of its structure by the existing coating machine. The problem of batch coating of optical lenses in .

PURPOSE: A low temperature generator and an absorption type chiller-heater with the same are provided to have a simple pipe structure because an additional shell for using an auxiliary heat source is not necessary by installing an auxiliary heat source generator in a low temperature generator arranged in a shell of a condenser. CONSTITUTION: An absorption type chiller-heater comprises a high temperature generator (400), a low temperature generator (500), and a condenser (600). The high temperature generator heats dilute solution receiving from an absorber (300) so that the dilute solution can be separated to refrigerant vapor and intermediate solution. The low temperature generator separates the intermediate solution received through an intermediate solution pipe (406) to refrigerant vapor and rich solution using the heat energy of the refrigerant vapor separated by the high temperature generator. The condenser is arranged in one side of the lower temperature generator and condenses the refrigerant vapor separated by the low temperature generator to the liquid-phase refrigerant. [Reference numerals] (200) Outdoor unit

The invention discloses an installation device and an assembly method of a transmission assembly. The installation device includes a bearing, the inner ring of the bearing is connected with the transmission assembly, the outer ring of the bearing is fixed on the installation surface of the case, and the case is provided with a The casing hole, the mounting surface of the casing is located on the outside of the casing, the outer ring of the bearing is extended axially to form a mounting ring for extending from the casing through the casing hole to the outside of the casing, the outer diameter of the mounting ring Less than or equal to the outer diameter of the outer ring, the outer wall surface of the installation ring is provided with an axial positioning groove along the circumference, and the end surface of the installation ring is provided with a circumferential positioning block. The outer ring is fixed with a fixed anti-rotation mechanism. The fixed anti-rotation mechanism is inserted into the axial positioning groove, and the mounting ring is pressed axially and then fixed on the mounting surface, so as to realize the axial positioning of the bearing. At the same time, the fixed anti-rotation mechanism and The circumferential positioning blocks are matched to prevent the outer ring of the bearing from rotating in the circumferential direction.

The invention provides a heart ventricle connection assembly which comprises a suture ring assembly and a blood pump connection assembly. The suture ring assembly not only comprises a suture ring and a suture ring seat, but also comprises a connection hinge pin; the connection hinge pin passes through a through hole formed in the suture ring seat and is locked with a screw thread head at one end of the connection hinge pin by a nut to be arranged on the suture ring seat, so that the connection hinge pin freely rotates in the through hole; the blood pump connection assembly comprises an inlet sintering pipe sleeved on an inner pipe of an inlet of a blood pump; the periphery of the inlet sintering pipe is provided with a connecting groove; and by rotating the connection hinge pin, a cylindrical surface on a circular arc tangent plane, which is arranged on the connection hinge pin, falls into the connecting groove and the suture ring seat is clamped and fixed on the inlet sintering pipe. The heart ventricle connection assembly has a simple structure, has a small axial size after connection and is beneficial for being implanted into a human body to stably play functions; and by the device designed by the invention, rapid connection of a heart ventricle auxiliary device and the heart can be implemented and not only is time of the whole operation process shortened, but also operation risk is reduced.

The invention discloses a card base connector for realizing Nano SD 2.0 high-speed transmission. The card base connector comprises a holding piece and a plurality of PIN terminals embedded and formed in the holding piece, wherein the PIN terminals comprise eight first PIN terminals meeting the communication requirement of an SIM card and a Nano SD card, the eight first PIN terminals form a first group of contact points and a second group of contact points which are connected with corresponding contact points of an SIM card or a Nano SD card, the first group of contact points and the second group of contact points are oppositely distributed, the PIN terminal further comprises a high-speed PIN terminal group meeting high-speed transmission, the high-speed PIN terminal group comprises 3-8 second PIN terminals, and the high-speed PIN terminal group is provided with a third group of contact points. The card base connector can be compatible with a SIM card and a Nano SD card at the same time, high-speed transmission can be achieved, the Nano SD2.0 protocol communication requirement is met, the universality of the mobile phone card holder is greatly improved, and the market requirement is better met.

Disclosed is an antenna apparatus. The antenna apparatus includes a lower antenna element; an upper antenna element on the lower antenna element; and an intermediate ground element interposed between the lower antenna element and the upper antenna element and overlapping with the lower antenna element and the upper antenna element. The antenna apparatus may have an expanded resonance frequency band.

Disclosed is a substrate bearing apparatus for bearing substrates, comprising at least one tray (71, 72, 73), wherein each tray (71, 72, 73) has two opposite tray surfaces for bearing substrates. Compared with current common substrate bearing apparatus of the same size, the substrate bearing apparatus can bear more substrate during processes, thus effectively increasing device production capacity and process gas utilization rate. Also disclosed is a substrate processing device using the substrate bearing apparatus.

The invention discloses a device structure for increasing the reverse breakdown voltage of GaN L-FER and a manufacturing method thereof. The structure includes a substrate, a GaN or AlN buffer layer, an intrinsic GaN channel layer, and an intrinsic AlGaN barrier layer , dielectric passivation layer, anode double Schottky contact and cathode ohmic contact. Epitaxially grow AlGaN / GaN heterojunction material on the substrate, and form ohmic contact and planar isolation on the structure, further form the anode structure of double Schottky contact, and finally deposit the passivation layer to realize the passivation of the device. The present invention utilizes the anode structure of double Schottky contacts, and the Schottky contacts have a certain shielding effect on the high voltage in the reverse breakdown process, thereby reducing the injection from the anode to the cathode through the device channel barrier layer or buffer layer. leakage current, which in turn increases the reverse breakdown voltage of the device. The implementation method of the invention is simple, and the reverse breakdown voltage of the GaN L-FER can be greatly improved so as to broaden its application in the field of power electronics.

The invention provides a multi-polarization microstrip patch antenna loading a zero-order resonator. The antenna comprises an upper-layer microstrip structure, a middle medium base plate and a bottom-layer metal floor, wherein the upper-layer microstrip structure is arranged on one surface of the middle medium base plate and comprises a microstrip transmission line, a coupling feed part and an antenna main body; the microstrip transmission line is vertically connected with the coupling feed part; the antenna main body and the microstrip transmission line are arranged at the two sides of the coupling feed part respectively; a gap is reserved between the antenna main body and the coupling feed part; the antenna main body consists of two microstrip patch parts and a zero-order resonance part; and the zero-order resonance part is arranged between the two microstrip patch parts and consists of an upper-layer microstrip patch and a grounding metal column vertically arranged between the upper-layer microstrip patch and the middle medium base plate. In the antenna provided by the invention, by combining the traditional microstrip patch antenna with a second-order mushroom type zero-order resonator, the shortcomings of respective polarization direction and radiation patterns of the traditional microstrip patch antenna and the second-order mushroom type zero-order resonator are overcome, so that good radiation characteristic is realized.

The invention relates to the technical field of pressure sensors, specifically a passive high-temperature pressure sensor based on the principle of microwave scattering measurement and its preparation method, which solves the problems of many defects in existing pressure measurement methods in harsh environments such as high temperatures, including cylindrical bases and The sealing diaphragm is provided with a concave cylindrical cavity in the base, and four symmetrically distributed inner cylinders are arranged in the center of the concave cylindrical cavity. The height of the inner cylinders is lower than the upper end surface of the concave cylindrical cavity. The upper surface of the inner cylinder is sputtered with a metal layer; the upper surface of the sealing diaphragm is sputtered with a microstrip antenna, the lower surface is sputtered with a ground plane, and a rectangular coupling gap is opened on the lower surface; the base and the sealing diaphragm are bonded to form a microwave resonant cavity. The design is reasonable, the sensitivity is high, the stability is good, and it can work for a long time in harsh environments such as high temperature and high pressure, and realizes a passive high-temperature ceramic pressure sensor based on wireless measurement of microwave scattering.

The application discloses a broadband dual-polarized microstrip antenna sub-array with filtering and calibration functions, including a radiation layer, a paper honeycomb support layer and a functional layer, the functional layer includes: the upper surface of the upper printed board is provided with an upper metal surface , etched with "H"-shaped slits, the first "H"-shaped slits are arranged along the vertical direction of the upper metal surface, and the second "H"-shaped slits are arranged along the horizontal direction; the lower printed board is provided with polarization feed Network, including "T" stripline and characteristic stripline, "T" stripline and the first "H" shaped slot perpendicular to the polarization feed network, denoted as horizontal polarization feed network, and the second "H" If the "shaped gap is vertical, it is recorded as a vertical polarization feed network; metallized via holes are provided on the metal surface of the lower layer, and the metallized via holes pass through the lower layer printed board and are symmetrically distributed on both sides of the polarized feed network. Through the technical solution in this application, a dual-polarized broadband microstrip antenna sub-array with power distribution, filtering and calibration functions is realized.