4672 results about "Square Shape" patented technology

The invention provides a nail head assembly of a stitching device and a sewing cutting device. The nail head assembly comprises a U-shaped frame. The U-shaped frame is composed of a right lateral section and a left lateral section which are arranged in parallel and a connection arm arranged between the right lateral section and the left lateral section. A pull rod frame is arranged at the far end of the right lateral section, a through hole is arranged on the pull rod frame, a locking mechanism used for fixing the far end of a pull rod is arranged at the far end of the left lateral section relatively, and a locking matching mechanism matched with the locking mechanism is arranged at the far end of the pull rod. After the locking matching mechanism at the far end of the pull rod is locked on the locking mechanism on the left lateral section, the right lateral section, the connection arm, the left lateral section and the pull rod of the U-shaped frame are arranged in a square shape. The nail head assembly has the advantages of effectively improving nail head strength, reducing parallelism deflection of a nail anvil and a nail bin and being widely used in a linear stitching device, a linear sewing cutting device or an arc sewing cutting device.

An improved 90° waveguide bend has the following features:the waveguide bend has two waveguide connectors located perpendicularly to each other,the waveguide connectors have a square internal cross section having an edge length (a),between the two waveguide connectors there is provided an angular portion producing the 90° change in direction,the angular portion has externally to the 90° change in direction a chamfer as a delimiting wall for the waveguide bend, the waveguide channel being outwardly delimited by the chamfer, andthe chamfer has in the plane of curvature a length corresponding to the edge length (a) of the waveguide connectors which are square in cross section, ±less than 0.5%.

A connection plate in form of flat plate is welded to be connected to portion that are close to each other, i.e., a connection-electrode portion of one of two adjacent cells and a bottom of a cell case of the other cell, while being bridged between the connection-electrode portion and the bottom of the cell case, thereby forming an inexpensive connecting structure between cells, that reduces the electric resistance, by simple processes. A battery module having a solid structure impervious to vibration or shock is formed by accommodating cylindrical cells in cell-accommodating portions, each of which has a square shape seen from the front, of a holder case made of synthetic resin with their cell axes arranged in parallel, and by closing both sides of the holder case with cover members having radiation holes. Then, a battery pack is formed by attaching outer plates to a plurality of such battery modules that are arranged and integrating them.

The present invention generally relates to an optical system that is able to reliably deliver a uniform amount of energy across an anneal region contained on a surface of a substrate. The optical system is adapted to deliver, or project, a uniform amount of energy having a desired two-dimensional shape on a desired region on the surface of the substrate. Typically, the anneal regions may be square or rectangular in shape. Generally, the optical system and methods of the present invention are used to preferentially anneal one or more regions found within the anneal regions by delivering enough energy to cause the one or more regions to re-melt and solidify.

One embodiment of the present invention provides a solar panel. The solar panel includes a plurality of subsets of solar cells. The solar cells in a subset are coupled in series, and the subsets of solar cells are coupled in parallel. The number of solar cells in a respective subset is sufficiently large such that the output voltage of the solar panel is substantially the same as an output voltage of a conventional solar panel with all of its substantially square shaped solar cells coupled in series.

A multi-function layout square of modular construction having a laser that is capable of performing multiple functions is disclosed. The multi-function square has a metallic outer casing with magnetic properties, with a protractor plate slidably, pivotally, and removably attached by thumbscrews to the casing that can be moved and rotated with respect to the casing and slid linearly along a portion of the length of the casing. When the protractor plate is removed the casing may be used as a level, a plumb bob, a ruler, and a compass. When the protractor plate is attached the tool may be used as a framing square, roofing framing square or rafter square, and a gauge or scribe for straight lines, arcs, or circles. The laser, a switch, and a pair of bubble level vials are contained in a module installed at one end of the casing, and a second module containing batteries is removably installed at the other end of the casing. Each module has electrical contacts that engage the interior surface of the casing and contacts that engage the batteries when the modules are installed and abutted. When the switch is on, a circuit is completed through the metallic casing, which electrically connects the batteries to the laser. The casing may be suspended vertically from a support surface by passing a string or wire through a bore in one of the thumbscrews, may be mounted on a tripod, or may be magnetically attached to metal objects.

There is provided method for transmitting binary data contained in respective successive time cells, the data being in the form of an optical signal obtained by amplitude modulation and frequency modulation of an optical carrier wave, with a 0 bit data value having a 0 bit mean amplitude having a 0 bit amplitude time duration and a 0 bit frequency having a 0 bit frequency duration, and a 1 bit data value having a 1 bit mean amplitude having a 1 bit amplitude time duration and a 1 bit frequency having a 1 bit frequency duration; the improvement wherein: independently adjusting the 0 bit mean amplitude relative to the 1 bit mean amplitude; independently adjusting the 0 bit frequency relative to the 1 bit frequency; and independently adjusting time duration of the frequency profile of the 1 bit relative to the time duration of the amplitude profile of the 1 bit, whereby to extend the error-free propagation of the optical signal though a dispersive optical fiber beyond the dispersion limit. There is provided a method for transmitting Non-Return-To-Zero (NRZ) binary data contained in respective successive time cells, the data being in the form of an optical signal obtained by amplitude modulation and frequency modulation of an optical carrier wave, with a 0 bit data value having a 0 bit mean amplitude having a 0 bit amplitude time duration and a 0 bit frequency having a 0 bit frequency duration, and a 1 bit data value having a 1 bit mean amplitude having a 1 bit amplitude time duration and a 1 bit frequency having a 1 bit frequency duration; the improvement wherein: the phase across each 1 bit data value is substantially constant, and the phase of the carrier changes across each and every 0 bit by an amount equal to the product of the frequency difference between the 1 bit and the 0 bit and the duration of the 0 bit; whereby to extend the error-free propagation of the optical signal though a dispersive optical fiber beyond the dispersion limit. In accordance with one form of the present invention, there is provided a method for transmitting binary data contained in respective successive time cells, the data being in the form of an optical signal obtained by amplitude modulation and frequency modulation of an optical carrier wave, with a 0 bit data value having a 0 bit mean amplitude having a 0 bit amplitude time duration and a 0 bit frequency having a 0 bit frequency duration, and a 1 bit data value having a 1 bit mean amplitude having a 1 bit amplitude time duration and a 1 bit frequency having a 1 bit frequency duration; the improvement wherein: the amplitude profile of the 1 bit is substantially bell-shaped, and the frequency profile of the 1 bit is substantially square-shaped, with steeper rise and fall time and a wider flat top region; whereby to extend the error-free propagation of the optical signal though a dispersive optical fiber beyond the dispersion limit.

An interlocking paving stone of rectangular or square shape, the stone having a width W, a length L, and a thickness H. Each side of the stone is provided with at least one pair of alternating tongues and grooves on a bottom part thereof, having a size and shape adapted to receive a corresponding tongue or groove of an adjacent block. The groove has an overall volume greater than the volume of the tongue to facilitate the pouring of joint filling materials. The length of a pair of tongue and groove is equal to a length l, where both W and L are whole multiples of l. Furthermore, the tongues and grooves have a generally truncated pyramidal shape, where the peak of the truncated pyramid lies below the top surface of the block by 40 to 50% of the total height of the stones. The stone according to the present invention provides greater lateral and vertical stability to an assembled pavement.

An illuminating device (1) is formed of a light source (12) in which LED chips (11) are arranged in an array shape and lens cells (14) are arranged on a light-emission side of each of the LED chips (11), and a pair of fly's eye lenses (13) that integrates and guides to a liquid crystal panel (3) the light emitted from each of the LED chips (11) and collimated by the lens cells (14). The LED chip (11) and the lens cell (14) are formed in a square shape, and an aspect ratio thereof corresponds to that of the liquid crystal display panel (3). In addition, the lens cells (14) are arranged separately from one another in such a manner to have wall surfaces (air gaps), and the wall surfaces serve as reflective surfaces.

An electron beam system or a method for manufacturing a device using the electron beam system in which an electron beam can be irradiated at a high current density and a ratio of transmittance of a secondary electron beam of an image projecting optical system can be improved and which can be compact in size. The surface of the sample S is divided into plural stripe regions which in turn are divided into rectangle-shaped main fields. The main field is further divided into plural square-shaped subfields. The irradiation with the electron beams and the formation of a two-dimensional image are repeated in a unit of the subfields. A magnetic gap formed by the inner and outer magnetic poles of the objective lens is formed on the side of the sample, and an outer side surface and an inner side surface of each of the inner magnetic pole and the outer magnetic pole, respectively, forming the magnetic gap have each part of a conical shape with a convex having an angle of 45° or greater with respect to the optical axis.

A mobile communication terminal including a memory unit configured to store at least one call related event, a display configured to display a time line, and a controller configured to display the at least one call related event on the time line based on a time information of the at least one call related event. Further, the time line includes a circular-shaped time line, a chart-shaped time line, a spiral-shaped time line, a snowman-shaped time line, a star-shaped time line, a rectangular-spiral-shaped time line, or a square-shaped time line.

A sheath flow cell includes a cell having a guide hole with an inlet and an outlet for guiding a sheath liquid. The cell has a rectifying section, an accelerating section and an orifice section having a cylindrical through-hole, a cone-shaped through-hole tapered toward the outlet and a prism-shaped through-hole with a square shaped section, respectively. The cylindrical, cone-shaped and square prism-shaped through-holes serially and smoothly communicating to each other so as to define the guide hole. There is a sample liquid supply nozzle having a cylindrical shape and extending from the inlet toward the accelerating section co-axially with the through-hole of the rectifying section. The through-hole of the orifice section has a cross section having a side length along its length square of 0.1 mm to 0.4 mm and the through-hole of the rectifying section has an axial length four or more times greater than its inner diameter.

An indexable cutting insert includes a first component with an outer or top surface and side surfaces. A third component is mirror symmetric with respect to the first component about a vertical or y-axis of the cutting insert. A second component is disposed between the first and third components. Multiple cutting edges are defined at an intersection between the side surfaces and the top surface, wherein the cutting edges define a positive axial rake angle. In one embodiment, the first and third components are in the shape of a polygonal with a star appearance, and the second component is in the shape of a square. The first and third components are offset from one another by a first offset angle, while the second component is offset from the first and third components by a second offset angle to allow the cutting insert to be indexable.

A RFID tag to be attached to an object to identify the object or a characteristic or feature thereof from data stored in the tag accessible by a RFID reader includes a relatively flat structure having a small aperture antenna positioned on or proximate the tag in the form of a polygon having electrically conductive sides. The flat structure, which may be fabricated as a sticker or label, incorporates a small aperture antenna, such as a slot antenna, in the form of a polygon having electrically conductive sides. The polygon may be triangular, rectangular, square, elliptical, circular, or other polygonal figure depending on number of its plurality of sides. A constitutes the aperture of the antenna. An integrated circuit chip containing the electronics of the tag is secured to the flat structure within the boundary of the aperture constituting the central open portion within the polygon, and substantially equidistant from a pair of opposite sides of the polygon, with a pair of conductive impedance matching elements of substantially equal length confronting each other in the aperture from the opposite sides. Methods of use are disclosed.

The invention provides a light low-frequency wideband film metamaterial sound isolator. The light low-frequency wideband film metamaterial sound isolator is composed of a grid support, adhesive elastic films and balancing weights, wherein the grid support is made of rigid light materials and formed by square grids periodically extending in the x direction and y direction, the adhesive elastic films are bonded with the grid support in tensing mode, the balancing weights correspond to the square grids respectively and are periodically and additionally arranged on the adhesive elastic films, and each square grid, the corresponding adhesive elastic film and the corresponding balancing weight form a cellular which is a smallest acoustic metamaterial unit, used for isolating low-frequency noise, in the sound isolator. The light low-frequency wideband film metamaterial sound isolator is formed by periodically arranging the acoustic metamaterial units, and achieves coverage of a wideband, namely a wide frequency range through the balancing weights, of different weights, arranged in the adjacent cellulars. When the metamaterial units are stimulated by acoustic waves, the balancing weights and the tensioned adhesive elastic films generate a local resonance phenomenon, the average displacement of each whole cellular is zero, and sound is isolated efficiently.

Disclosed is a dual-band dual-polarized antenna for a mobile communication base station, which includes: a reflection plate; a first radiation device module for transmitting and receiving two linear orthogonal polarizations for a first frequency band, the first radiation device module generally having a square shape, the first radiation device module including a plurality of dipoles arranged to form the square shape, each of the dipoles substantially having a transverse side and a vertical side; and a second radiation device module for a second frequency band which is arranged within the square shape of the first radiation device module, and includes a plurality of dipoles generally arranged to form a cross-shape.

A layered cushioned composite such as a carpet or carpet tile which in at least one embodiment incorporates a layer of stabilizing material and a layer of adhesive material below a primary carpet and above a layer of compressed particle, recycled and / or rebond foam or cushioning material and having special applicability to the residential market, especially the residential do-it-yourself market. In accordance with a preferred embodiment, the residential carpet tile has a high twist frieze face, a polyurethane rebond foam cushion, and a non-square shape providing for interlocking with adjacent or abutting carpet tiles.

A gradient index lens for electromagnetic radiation includes a dielectric substrate, a plurality of conducting patches supported by the dielectric substrate, the conducting patches preferably being generally square shaped and having an edge length, the edge length of the conducting patches varying with position on the dielectric substrate so as to provide a gradient index for the electromagnetic radiation. Examples include gradient index lenses for millimeter wave radiation, and use with antenna systems.

A trim attachment structure includes a door frame, trim and a clip. The door frame has an attachment part, which is formed by a single plate, and a fitting hole. The fitting hole has a square shape in which the diagonals thereof are aligned with specific directions. The trim has a pair of ribs which extend towards the inner side in the width direction of the vehicle, respectively facing a pair of end parts of the fitting hole. The clip is installed in the fitting hole. The clip includes a head part, a tube part and a latching hook. The tube part has a tip end part which projects from the fitting hole to the outer side of the attachment part in the width direction of the vehicle. Angled parts of the tip end part are held between the ribs. The latching hook is latched at the peripheral edge of the fitting hole on the outer side of the attachment part in the width direction of the vehicle.

The invention relates to a lens used in LED light source. It includes one upper surface, four side faces, and one under surface. The upper one is light emergent face. The under one is LED light source incidence face. The four side faces is formed by two pairs of symmetroids which can make the incident light occur total internal reflection and the angle theta c between the emergence light projection on the cross section and the upper surface normal direction. The incident light on the side face can be reflected to refract out of the lens. Thus the light radiated from the LED light source can form an illumination range with rectangle, square, or strip on far field though the lens.

The invention provides implants such as bone nails, bone plates, cages, trays or slices which can form needed appropriate shape states according to expectation or bone-filling implants for replacing autogenous bones. A medical hollow-out rack implant comprises at least one or more than two small three-dimensional hollow-out units different in multiple dimensions, three-dimensional wire rack molding bodies and radially-formed radial hollow-out bodies, wherein the small three-dimensional hollow-out units spliced in a rule-oriented manner or overlapped in a staggered manner are hollow-out bodies which are all composed of multidimensional wire poles and are equal or different in size and in three-dimensional geometric shapes of roundness, square, octagon or sphere and the like, a small solid unit overlapping array is arranged between every two small three-dimensional hollow-out units, and each three-dimensional wire rack molding body is provided with multidimensional mesh open spaces different in density. Since various-sized rule-oriented and configurable hollow-out body arrays are formed by the wire poles, the racks of the implants can be controlled in hole shape and size according to different hardness and hyperplasia speeds of soft and hard tissues, and further support intensity and the best mechanical performance required by the implants can be regulated. Besides, the medical hollow-out rack implant can control the hyperplasia speed.

A square that includes two rigid, channeled members having an interior and an exterior, with the two members being joined at a ninety-degree angle to form a one-piece L-shaped tool having an elbow and a notch disposed on an exterior corner opposite the elbow. The invention also features a bubble level attached to the exterior of each member and a releasable adhesive member disposed upon the interior of each member, such as magnets, tapes, or adhesive plastic materials. Methods for pipe-fitting and for holding pipes or joints in place with the invention are also provided.

The power booster fuel saver is made of a cut and formed piece of stainless steel in the shape of a cylinder. The strip is provided in a length sufficient to correspond to the inner diameter of the inlet pipe to a vehicle engine or from its turbo fan outlet, or into the inlet pipe leading to the turbo fan or in the exhaust pipe from the engine. A series of square-shaped tabs are cut along one side of the strip and then bent diagonally to form a series of dog-ears. Finally, the strip is rolled into the shape of a cylinder in which the edges meet and the resulting device is inserted into the intake of a vehicle.

A wall flow type exhaust gas purification filter includes a honeycomb structure body and plugging portions. Four inlet opening cells having a substantially hexagonal shape in cross section surround one outlet opening cell having a substantially square shape in cross section, where one side of an inlet opening cell and one side of the outlet opening cell have a substantially same length and are substantially parallel and adjacent to each other. Distance a between the partition wall defining a first side of the outlet opening cell and the partition wall defining an opposed second side is in a range of exceeding 0.8 mm and less than 2.4 mm, and distance b between the partition wall defining a third side of the inlet opening cell and the partition wall defining an opposed fourth side has a ratio to the distance a in a range exceeding 0.4 and less than 1.1.