35results about How to "Realize scanning imaging" patented technology

The invention relates to a biological multimode picture detecting technique, wherein it comprises one PET shooting system with symmetry electrodes, one infrared transparent (reflective) shooting system, one visual light (or fluorescent) transparent (or reflective) shooting system, one ultraviolet (or X-ray) transparent (or reflective) shooting system, one rotation carrier of animal, multi-axle motion controller, multi-channel processor and computer. The carrier comprises one object platform, one frame, one constant-temperature controller, one rotator, and one XYZ three-dimension mover. The invention has multimode composition and 360degree scanning picture, with low cost.

The invention provides an automatic detecting and positioning device of a laser spot focus. A photoelectric detector (4) of the device detects a laser spot focused by a focusing lens (13) from a spotincidence hole of a spot detecting face (5) to obtain signals, the signals are sent by a signal sending line (3) to a central processing unit (1) connected with the signal sending line, and the central processing unit (1) sends a movement instruction to an X-directional, Y-directional and Z-directional stepping motor connected with the central processing unit (1) through a signal receiving line (3) according to spot signal data changes until the spot detecting face (5) moves to the laser focus. By means of the automatic detecting and positioning device, feedback adjustment is conducted on theposition of the spot detecting face through a horizontal movement table control module, the automatic search of the position of the laser focus is realized, the precise setting of a to-be-detected sample can be realized, and the scanning and imaging of a tiny spot can be realized through a filtering image reconstruction module. The automatic detecting and positioning device is suitable for a supervacuum closed space and has the remarkable advantages of being easy to operate, flexible in measurement method, simple in system framework, low in construction cost and the like.

The invention relates to an uncooled large area array fast scanning optical system. The system achieves the clear imaging of the image and solves the problem that an image becomes virtual and trailingin the motion process of the area array fast scanning imaging system by adding a fast scanning swing mirror into the parallel optical path formed by a Keplerian telescope system, quickly scanning theswing of the swing mirror to compensate for the field angle in the motion of the imaging system, and ensuring that the target is stable in the image plane imaging position in the integration time. The system determines the configuration of the optical system by the theoretical calculation and analysis of a paraxial optical system. In addition, the system optimizes the image quality by optimizingthe lens curvature radius, lens spacing, and matching of different optical materials, and correcting the aberration of the optical system using special surface types such as an aspheric surface or a diffractive surface and the like.

The invention provides a borehole inner wall ultrasonic scanning and imaging device, which comprises an external connection unit, a guidance pipe body and a scanning unit, wherein the external connection unit comprises a numerical control module and a wind speed regulation and control device; the numerical control module is connected with the scanning unit; the wind speed regulation and control device is provided with an air duct which is independently connected with the wind speed regulation and control device and the guidance pipe body; a magnetic pull wire is arranged between the numericalcontrol module and the scanning unit; the scanning unit comprises a scanning unit shell, wherein an ultrasonic distance measuring instrument and a scanning driving motor are arranged in the scanning unit shell; the motor shaft of the scanning driving motor is connected with a transmission shaft; the transmission shaft is connected with the ultrasonic distance measuring instrument; and the ultrasonic distance measuring instrument is provided with an ultrasonic probe. In addition, the invention also provides a scanning and imaging method for the above borehole inner wall ultrasonic scanning andimaging device. By use of the device disclosed by the invention, the three-image scanning and imaging of the borehole inner wall can be realized, a three-dimensional scanning image of a whole boreholeis obtained, and the detection of a hole collapsing position of the borehole is realized.

The invention relates to a three-dimensional laser scanning device and a robot. The three-dimensional laser scanning device comprises a support assembly, a rotation driving assembly arranged above thesupport assembly, a laser sensor rotation assembly, a GPS positioning assembly arranged above the support assembly, a laser sensor arranged on the laser sensor rotation assembly and a control box assembly arranged below the support assembly, and is characterized in that the rotation driving assembly is used for driving the laser sensor rotation assembly to rotate, and the control box assembly isconnected with the rotation driving assembly and the laser sensor through a cable. According to the three-dimensional laser scanning device, scanning and imaging for a three-dimensional complex environment can be realized, and functions of robot navigation, obstacle avoidance and positioning in the complex environment are realized. In addition, the three-dimensional laser scanning device is compact in overall structure and reasonable in layout; and the support assembly, the rotation driving assembly, the laser sensor rotation assembly, the GPS positioning assembly, the laser sensor and the control box assembly can adopt the modular design.

The invention discloses a grating imaging system and a scanning method thereof. The system comprises a source grating (G0), a first grating (G1) and a second grating (G2) which are sequentially arranged along a light path, at least one of the source grating (G0), the first grating (G1) and the second grating (G2) is a curved surface grating, and an imaging irradiation position is arranged betweenthe first grating (G1) and the second grating (G2). According to the system, the good image quality is kept, the overall scanning time is reduced to the level close to that of a clinical X-ray chest radiography, and meanwhile the radiation dose is well controlled. In conclusion, the large-view grating imaging system has the advantages and characteristics of large imaging view, high scanning speed,low radiation dose and the like.

The invention provides a mobile magnetic resonance system. The mobile magnetic resonance system comprises a scanning mechanism, a conjoined cabinet, an omni-directional mobile chassis and a sickbed mechanism, wherein the scanning mechanism and the conjoined cabinet are arranged on the omni-directional moving chassis; the conjoined cabinet is arranged on one side of the scanning mechanism, and theconjoined cabinet is connected with the scanning mechanism; the scanning mechanism is provided with a cavity structure; the side wall of the scanning mechanism is provided with a first opening penetrating through the cavity structure, and the first opening is arranged towards the direction of the conjoined cabinet; and the sickbed mechanism is slidably connected in the cavity structure and on thetop wall of the conjoined cabinet. The conjoined cabinet is arranged on one side of the scanning mechanism, serves as the conjoined cabinet to support the sickbed mechanism, and also serves as a control cabinet of the scanning mechanism to save the sickbed mounting space; the scanning mechanism and the conjoined cabinet are integrally driven by the omni-directional moving chassis to move on the ground or a working surface, so that the magnetic resonance system is integrally moved to a first preset position, such as beside a patient bed, for magnetic resonance examination.

The invention discloses a device and a method for improving THz-ATR imaging resolution and performance. According to the method, continuous terahertz waves emitted by a terahertz radiation source are converted into sine waves through a chopper, the sine waves enter a terahertz wave spectroscope and are divided into two beams, one beam is reflected light, and the other beam is transmitted light which serves as signal light for detecting sample information; the signal light sequentially passes through a first terahertz wave reflector, a first off-axis parabolic mirror, a solid immersion ATR lens, and a sample holder, the signal light generates total reflection at the sample holder-sample interface, then emits from the solid immersion ATR lens, the emitted light passes through a second off-axis parabolic mirror and a second terahertz wave reflector, and then is received by a second terahertz detector. A computer controls the sample holder to move, collects signals received by the terahertz detector and analyzes and processes data. According to the invention, the resolution of attenuated total reflection type imaging is obviously improved, the problem of small effective imaging area caused by focus offset in a traditional attenuated total reflection type system can be solved, and high-sensitivity and high-resolution terahertz imaging of a large-size sample can be obtained.

The invention discloses a movable CT device for the radiology department, and relates to the field of CT equipment, in particular to the movable CT device for the radiology department; the device comprises a scanning frame and a ray scanning slit; supports are connected to the lower ends of the two sides of the scanning frame, a base is fixed to the lower ends of the supports, and a control panel is installed at the front end of the scanning frame. An anti-interference wireless transmitter is embedded in the upper end of one side of the scanning frame; and the ray scanning slit is formed in the inner side of the scanning frame. The movable CT device for the radiology department is provided with a third motor which drives a specially-shaped gear meshed with a rotating gear, so that a bed frame fixedly connected with the specially-shaped gear drives the scanning bed to stand up, a patient can walk on a pedal and stand well during examination. And along with rotation of the third motor, the scanning bed is slowly laid flat, and the patient can lie on the scanning bed for CT examination without bending down, so that convenience is provided for examination of part of patients difficult to move, and the examination comfort is improved.

An optical lens and optical apparatus are disclosed. The optical lens comprises a first lens group, a second lens group and an imaging sensor in sequence from an object side to an imaging side along an optical axis, and further comprises a light splitting element arranged between the first lens group and the imaging sensor, the first lens group is used for collimating light after a to-be-measuredobject plane enters the lens, the first lens group comprises a front lens group and a rear lens group, the front lens group has negative diopter, the rear lens group has positive diopter, the second lens group comprises a lens group with a symmetrical double-gluing structure, and the light splitting element and the second lens group are used for imaging collimated light rays on the imaging sensoraccording to different wave bands. The optical lens is compact and small in size, can be applied to a hyperspectral imaging and detection camera, and has very high practicability.

The invention discloses an optical grating imaging system. The system includes a source optical grating (G0), a first optical grating (G1) and a second optical grating (G2) arranged in sequence alongan optical path, wherein the first optical grating (G1) includes a plurality of first optical grating units spliced with one another in a dislocation manner, and/or the second optical grating (G2) includes a plurality of second optical grating units spliced with one another in a dislocation manner. A large-area optical grating formed by dislocation splicing can complete imaging by only one scanning in the actual scanning imaging process, the scanning speed is faster, and the scanning efficiency is further improved; and the large-view field optical grating imaging system has the advantages andcharacteristics of a large imaging field of view, a fast scanning speed and a low radiation dose.