231 results about "Magnification device" patented technology

Disclosed is a magnification device for use by blind and / or low vision individuals. The device includes an X-Y table upon which an item to be magnified can be placed. A stationary camera arm and a pivotal monitor arm are oriented over the X-Y table. The monitor arm includes a video monitor pivotally mounted at its distal end. The camera arm also includes two laterally disposed lighting arms. A series of controls are provided along a lower edge of the monitor via a mounting bracket.

There is provided a small-sized and lightweight image display apparatus which is thinned in the line of sight and which incorporates a display unit for displaying a magnified virtual image and a direct image, the display apparatus comprising a real image display part for displaying an image, an image magnifying means for optically magnifying the image formed in the real image forming means so as to form a virtual image, and a light guide means for guiding light from the real image display part to the image magnifying means, the magnifying means being formed in a triangular columnar shape having a substantially isosceles triangular cross-section, and having a first surface serving a light incident surface, a light emanating surface and a reflective surface, and a first internal reflecting surface and a second internal reflecting surface for reflecting light into the light guide means, wherein emanating light from the real image display part is incident upon the light guide means through the first surface, and is then reflected by the first internal reflection surface and the second internal reflection surface, and thereafter, the light emanating from the light guide means and entering into the image magnifying means.

An electronic device is described that assists blind and / or low vision users in magnifying and reading printed text, fast book scanning and printing magnified images of said text. The device can also produce audio output that allows listening to the text being pronounced.

A book stand folds flat, forming a single panel for storage or use as a clipboard, sketchpad, or straight edge. The book stand may also unfold into operational configuration to include an inclined supporting surface and a shelf, on which a book can rest at an inclined angle. The preferred legs or other support members extend from the rear side of the book stand near the left and right side edges of the book stand and diverge from each other to form a broad and stable base. The book stand may be set up in operational position with a minimum number of steps, by flipping up the shelf and pivoting the two legs on the backside of the book stand to swing underneath the shelf. In its folded, collapsed configuration, the preferred book stand may be a flat, substantially solid panel approximately 8.5″×11.″ The device can also be equipped with a magnification device, light, clip, page protector, or other visual aid devices.

A hands free magnification device is provided that is capable of illuminating an area adjacent the user. A method of use of the device is also provided.

A magnification device including a housing having a distal open end and a proximal open end is disclosed. The housing includes an optical system including one or more objective lenses adjacent the distal open end, and one or more eye lenses adjacent the proximal open end, the optical system produced a desired level of magnification; and a filtering system having first filter selectively filtering a first group of wavelengths and a second filter selective filtering a second group of wavelengths. The first and second filters having an optical density selected based on a magnification level of the optical system. A vision enhancing assembly including a carrier device and one or more magnification devices coupled to the carrier device is also disclosed, wherein the magnification devices include filters that have optical densities based on a magnification level.

The invention discloses a mechanical property testing device and a mechanical property testing method for a soldered joint, relating to the field of mechanical property testing on materials. The device is characterized by comprising a force generation acquisition converting device, a micro amplification acquisition conveying device and a data display and processing device, wherein the force generation acquisition converting device comprises a loading device which can be used for clamping and drawing the soldered joint; one end of the loading device is connected with the data display and processing device through a stepper motor (5) and a controller; the other end of the loading device is connected with the data display and processing device through the force acquisition conveying device; the micro amplification acquisition conveying device comprises a micro amplification device which is just aligned with the soldered joint and an image acquisition conveying device which is arranged behind the microgram amplification device and is connected with the microgram amplification device; one end of the image acquisition conveying device is connected with a power supply (11); the other end of the image acquisition conveying device is connected with the data display and processing device. By using the mechanical property testing device and the mechanical property testing method for the soldered joint, the mechanical property of the soldered joint can be tested, the data are accurate, and the testing cost is lowered.

A moire magnification device is disclosed, comprising a transparent substrate carrying: a regular array of micro-focusing elements on a first surface, the focusing elements defining a focal plane; and a corresponding first array of microimage elements located in a plane substantially coincident with the focal plane of the focusing elements. The pitches of the micro-focusing elements and the array of microimage elements and their relative locations are such that the array of micro-focusing elements cooperates with the array of microimage elements to generate magnified version of the microimage elements due to the moire effect. Along at least one axis across at least a first region of the device, the pitch between the microimage elements and / or between the micro-focusing elements continuously varies across the respective array(s), whereby the moire effect causes different degrees of magnification of the image elements to occur, such that the viewer perceives that the magnified elements are located on a first image surface which is tilted or curved relative to the surface of the device.

The embodiment of the invention provides an image magnification method, an image magnification device and a display device, and relates to the technical field of image processing. The method specifically includes the steps that the image magnification device obtains the high-frequency components and the low-frequency components of a source image; the image magnification device conducts pixel interpolation on the low-frequency components of the source image through the first interpolation algorithm so as to obtain low-frequency sub-images; the image magnification device conducts pixel interpolation on the high-frequency components of the source image through the second interpolation algorithm so as to obtain high-frequency sub-images; the image magnification device fuses the low-frequency sub-images and the high-frequency sub-images so as to obtain fusion result images, wherein the first interpolation algorithm and the second interpolation algorithm are different so that the quality of the magnified image can be ensured while the calculation amount is reduced. The image magnification method, the image magnification device and the display device are used for image magnification.

The invention relates to a method and a system for detecting and screening end defects in circular parts. The system comprises an optical amplifier, a control computer, a controller, a pneumatic nozzle device, a step motor and a conveyor belt. The method includes the steps of 1, photographing a circular part to be detected by the optical amplifier to obtain an optically amplifier image of the end of the circular part to be detected; 2, subjecting the optically amplified image to image processing and defect recognition by the control computer, and judging whether the circular part is qualified or not according to defect conditions; 3, allowing the controller to receive a command of controlling the computer, control the pneumatic nozzle device to operate, remove unqualified parts, and control the conveyor belt to convey next part to a detection position. The method and the system have the advantages that end defects in circular parts can be reflected truly, whether an object is qualified or not can be judged accurately, automation level is high, and detection efficiency is improved.

An optical magnification device, configured to magnify the display of a videographic display device, may be constructed using a high-resolution Fresnel lens. The optical magnification device may be constructed to be foldable and able to be compactly stored / transported. Its construction may be configured to orient the lens above and generally parallel to a tray upon which a videographic display device may be positioned and or fastened for viewing through the lens.

The invention provides a portable fish egg incubator, comprising an incubation barrel, a micro magnification device, a tripod, a water inlet tube, an inlet pipe and an overflow pipe, wherein the incubation barrel is internally provided with a temperature regulator and a short-wave ultraviolet generator; the lower part of the incubation barrel is provided with a circular hole structure; the incubation barrel is stored with water for incubation; the short-wave ultraviolet generator sterilizes water for incubation; the micro magnification device amplifies the fish eggs in the incubation barrel; the tripod is provided with a wheel to fix or move the incubator; the water inlet pipe, the inlet pipe and the overflow pipe are communicated with each other and are communicated with the incubation barrel through the water inlet; the water inlet at the bottom of the incubation barrel is provided with an air inlet and holds the fish eggs in an all-dimensional manner by utilizing flow current and airflow for incubation. The invention has simple structure, is convenient for moving and for tracking to observe embryonic development; the short-wave ultraviolet generating device can prevent the breeding of water molds, improve incubation rate of fish eggs; the overflow pipe can control water level. Therefore, no overflow tank is required to be added and the cost is saved. The invention has strong controllability, demersal eggs, viscid eggs and pelagic eggs can be incubated directly.

An object of the invention is to provide a stereoscopic image display device, which does not generate a non-display region when an observer observes each parallax image despite being a stereoscopic image display device for displaying a multi-visual point image, and has little reduction of the image quality.The stereoscopic image display device of the present invention has an image display means for displaying the synthesized image obtained by synthesizing a plurality of parallax images, an aperture portion, a light-shielding portion, and horizontal directional control means for giving a directivity toward each of the desired directions to the image information light including the information on the parallax image radiated from the image display means, wherein longitudinal enlarging means for enlarging longitudinally only the light beam having passed the aperture of the horizontal directional control means in directions is disposed in front of the horizontal directional control means.

A magnification device including a housing having a distal open end and a proximal open end is disclosed. The housing includes an optical system including one or more objective lenses adjacent the distal open end, and one or more eye lenses adjacent the proximal open end, the optical system produced a desired level of magnification; and a filtering system having first filter selectively filtering a first group of wavelengths and a second filter selective filtering a second group of wavelengths. The first and second filters having an optical density selected based on a magnification level of the optical system. A vision enhancing assembly including a carrier device and one or more magnification devices coupled to the carrier device is also disclosed, wherein the magnification devices include filters that have optical densities based on a magnification level.

A book stand folds flat, forming a single panel for storage or use as a clipboard, sketchpad, or straight edge. The book stand may also unfold into operational configuration to include an inclined supporting surface and a shelf, on which a book can rest at an inclined angle. The preferred legs or other support members extend from the rear side of the book stand near the left and right side edges of the book stand and diverge from each other to form a broad and stable base. The book stand may be set up in operational position with a minimum number of steps, by flipping up the shelf and pivoting the two legs on the backside of the book stand to swing underneath the shelf. In its folded, collapsed configuration, the preferred book stand may be a flat, substantially solid panel approximately 8.5''x11.'' The device can also be equipped with a magnification device, light, clip, page protector, or other visual aid devices.

A magnification device including a housing having a distal open end and a proximal open end is disclosed. The housing includes an optical system including one or more objective lenses adjacent the distal open end, and one or more eye lenses adjacent the proximal open end, the optical system produced a desired level of magnification; and a filtering system having first filter selectively filtering a first group of wavelengths and a second filter selective filtering a second group of wavelengths. The first and second filters having an optical density selected based on a magnification level of the optical system. A vision enhancing assembly including a carrier device and one or more magnification devices coupled to the carrier device is also disclosed, wherein the magnification devices include filters that have optical densities based on a magnification level.

The present invention discloses a digital semiconductor photoelectric magnification image sensor which comprises a digital semiconductor photosensitive pixel array for detecting a photon, an address unit which is connected to each digital semiconductor photosensitive pixel unit so as to determine the address information of each digital semiconductor photosensitive pixel unit in the array, a control unit which communicates with and is connected to the address unit to enable the digital semiconductor photosensitive pixel unit of a specified address and send corresponding data and address output command, and an output unit which communicates with and is connected to each digital semiconductor photosensitive pixel unit to transmit the data emitted by the digital semiconductor photosensitive pixel units and the corresponding address information after the digital semiconductor photosensitive pixel unit of the specified address is enabled. The sensor can output information that whether the photon is detected and the position information of the detected photon and thus can be widely used in a digital photoelectric imaging system.

The invention relates to a sound emission detection method of a water boiling state and mainly solves the problem in the prior art that the change of the boiling state in one part of industrial heat-exchanging equipment cannot be accurately detected in real time. The method comprises the following steps of: (1) receiving a sound signal inside the heat-exchanging equipment; (2) selecting total energy, standard deviation, average absolute deviation and a main frequency of the sound signal as characteristic parameters; and (3) analyzing changing characteristics of the characteristic parameters and taking a k value as a criterion to detect the boiling state in the heat-exchanging equipment and conversion thereof online in real time. The method can be used for accurately and effectively obtaining the characteristic parameters of signals, can be used for easily and conveniently detecting the boiling state and the conversion of the heat-exchanging equipment on line in real time. The invention further discloses a detection device comprising a signal receiving device, a signal amplification device, a signal collection device, a signal processing device, an output displaying device and a control device. The device is in a non-invading type, is simple, easy and convenient to use, and has strong applicability to the different heat-exchanging equipment.

A system to support at least one magnification device on a readable digital display screen upon a base that is interchangeable with a clamp, and that is further capable of omni-directionally orienting the supported magnification device about at least two axes.

A virtual non-invasive blood analysis device workstation includes a light source adjacent the body part of a person for illuminating a portion of a blood vessel therein. A magnification device magnifies particles of substances in the illuminated portion of the blood vessel, and an imaging device captures images of the magnified particles. A transducer device generates electromagnetic waves based on the captured images being exposed to an electromagnetic field, with the electromagnetic waves forming color bands. Each color band corresponds to a respective particle of substance within the blood vessel. A separation chamber separates at least a portion of the color bands within the electromagnetic waves. The separated color bands represent current characteristics of a selected particle of substance within the blood vessel. A processor matches the separated color band according to the selected particle of substance with at least one of the color bands in the database, and compares the current characteristics of the separated color band to the known characteristics of the at least one matched color band.

The invention discloses a clamping device used for a clamp system, comprising a micro-displacement driving device, a stroke magnification device and a displacement output device. The clamping device is characterized in that the micro-displacement driving device comprises a base; a sleeve is arranged outside the base and a super magnetostrictive rod is arranged inside the base; one end of the super magnetostrictive rod is fixedly connected with the base and the other end thereof is connected with an output ring; two sides of the super magnetostrictive rod are provided with frameworks; a coil is arranged between the framework and the sleeve; the stroke magnification device comprises a piston cylinder which is internally provided with a piston; one end of the piston is fixedly connected with the output rod and the other end thereof is provided with a hydraulic chamber which is filled with liquid medium; the displacement output device comprises an output cylinder which is internally provided with an output piston rod, one end of which is fixedly connected with the hydraulic chamber of the stroke magnification device. In the invention, the micro-displacement driving device and stroke magnification device are adopted to drive the displacement output device to carry out the clamping, thus improving the utilization efficiency of the energy resource, and having good stability and generating no pollution.

A high-definition magnified image is obtained by simple computation. A magnified image is obtained by obtaining a deteriorated image on the basis of an input original image, determining enhancement filters used for individual small areas of the original image using the deteriorated image at least, performing a filtering process by applying the filters thus determined to the individual small areas to achieve enhancement, and interpolating the image for magnification.

A magnification device for a display screen of an electronic device that can be selectively sized to fit directly thereon. The magnification device is of a thin, flexible synthetic resin sheet having distributed magnification and static adhesion properties that can easily be cut to size to fit the display screen venue to be magnified.

A moire magnification device comprises a transparent substrate (20) carrying: i) a regular array (22) of micro-focusing elements on a first surface, the focusing elements defining a focal plane; ii) a corresponding first array (10) of microimage elements in a first colour and located in a plane substantially coincident with the focal plane of the focusing elements; and, iii) a corresponding second array (11) of microimage elements, in a second colour different from the first colour, and located in a plane substantially coincident with the focal plane of the focusing elements. The pitches of the micro-focusing elements (22) and first and second arrays (10, 11) of microimage elements and their relative locations are such that the array of micro-focusing elements cooperates with each of the first and second arrays of microimage elements to generate respective magnified versions of the microimage elements of each array due to the moire effect and such that the magnified version of the first array of microimage elements is viewed against a background defined by the magnified version of the second array of microimage elements, the magnified version of the first array of microimage elements exhibiting movement relative to the background when the device is tilted, and wherein the pitch mismatch between the arrays is chosen such that the magnified version of the elements of the first array appears above or below the magnified version of the elements of the second array.

A foldable support includes a shell, a cover, a lens, and a stand. The shell receives and secures a mobile device having a screen. The cover rotatably connects to the shell. The lens rotatably connects to the cover. The stand rotatably connects to the lens.

A method and apparatus for producing a series of amplified optical pulses from a series of input optical pulses including creating a set of local optical pulses from a series of input optical pulses, the set of local optical pulses having different amplitudes arranged in a graded order. The set of local optical pulses are amplified by an optical amplifier to form a significantly amplified first local optical pulse that is removed from the set of local optical pulses and output. The method successively removes the significantly amplified first local optical pulse, re-creates the set of local optical pulses by adding a new optical pulse to the end of the set of local optical pulses; and routes the recreated set of local optical pulses back to the input of the optical amplifier to continue producing the series of amplified optical pulses.

A passive power generation system comprised of a magnification device for magnifying energy and a recovery device operatively coupled to the magnification device for recovering at least a portion of the magnified energy and a method for making the passive power generation system for magnifying and recovering energy.

The invention relates to the technical field of laser amplifiers, and provides a large-diameter laser amplifier based on multi-dimensional laser diode stack side pumping. The large-diameter laser amplifier based on the multi-dimensional laser diode stack side pumping comprises a plurality of pump light source combinations. Each pump light source combination comprises a semiconductor laser diode stack, a light beam shaping unit and a coupling light pipe. The shape of a working substance is a trustum of a pyramid. The upper bottom surface and the lower bottom surface are both polygons. The quantity of the sides of each polygon is equal to the quantity of pump light source combinations. The large-diameter laser amplifier based on the multi-dimensional laser diode stack side pump also comprises a cooling device. Each side surface of the working substance is correspondingly provided with one pump light source combination. Pump light emitted by the semiconductor laser diode stack is subjected to shaping by the light beam shaping unit, and is then subjected to coupling realized by the light pipe. The pump light is incident from the side surface of the working substance to perform side pumping, and amplification is carried out on a laser incident from the upper bottom surface, which is the trustum of the pyramid, of the working substance. The invention is applicable to large-scale laser devices using large-diameter laser working substances. The large-diameter laser amplifier based on the multi-dimensional laser diode stack side pump is convenient to debug, convenient for troubleshooting, convenient for maintain and enables a higher energy gain.

A method and apparatus for producing a series of amplified optical pulses from a series of input optical pulses. The method includes creating a set of local optical pulses from a series of input optical pulses, the set of local optical pulses being applied to the input of an optical amplifier and having different amplitudes arranged in a graded order. The set of local optical pulses are amplified by an optical amplifier to have a significantly amplified first local optical pulse that is removed from the set of local optical pulses and output as a part of the series of amplified optical pulses. After removing the significantly amplified first local optical pulse, the set of local optical pulses is recreated by adding a new optical pulse from the series of input optical pulses to the end of the set of local optical pulses; and the recreated set of local optical pulses is routed back to be applied to the input of the optical amplifier to continue producing the series of amplified optical pulses. The formed set of local optical pulses having different (graded) amplitudes arranged in a descending order is configured such that the first local optical pulse has a much higher peak power before the optical amplifier gets saturated.

A compact and portable device uniformly illuminates and magnifies the words, images, or other information on a surface, such as the words on a page of a book, while minimizing the amount of light transmitted beyond or away from the illuminated surface. The device employs a light transmitting body formed of a transparent light conductive material and a magnifying lens. The device also employs a housing with a light source and a power source for powering the light source. To receive and deflect light from the light source onto the underlying surface, the light transmitting body is configured to have a wedge shape tapering from a thicker edge to a thinner edge. The wedge-shaped light transmitting body and the magnifying lens may be integrally formed to allow seamless transmission of light between the light transmitting body and the magnifying lens.