Patents for G01B 11 - Measuring arrangements characterised by the use of optical means (73,862)
07/2012
07/18/2012CN102589487A Portable earth surface roughness measuring instrument
07/18/2012CN102589486A Tissue pathologic change degree pathological diagnosis quantifying membrane
07/18/2012CN102589485A Positive displacement motor stator inner hole straightness measuring device
07/18/2012CN102589484A Autocollimation indication error detection method and device using same
07/18/2012CN102589483A Method and device for sensing angular displacement of reflective differential intensity modulating optical fiber
07/18/2012CN102589482A Wide spectrum laser beam divergence angle measurement system
07/18/2012CN102589481A Design of sinusoidal grating under modulation of optimal width
07/18/2012CN102589480A Design of sinusoidal grating in structured light three-dimensional vision measurement
07/18/2012CN102589479A Three-dimensional topography central perturbation composite grating projection measuring method and device
07/18/2012CN102589478A Overall phase demodulating method applied to multi-frequency three-dimensional measurement
07/18/2012CN102589477A Design of sinusoidal grating in optic three-dimensional outline measurement
07/18/2012CN102589476A High-speed scanning and overall imaging three-dimensional (3D) measurement method
07/18/2012CN102589475A Three dimensional shape measurement method
07/18/2012CN102589474A Evaluating method and evaluating device for surface shape
07/18/2012CN102589473A Visual collecting device on surface of welding pool
07/18/2012CN102589472A Method for highly precisely eliminating adjustment error in spherical surface shape interference detection
07/18/2012CN102589471A Parallel confocal detection system and method
07/18/2012CN102589470A Fuzzy-neural-network-based tea leaf appearance quality quantification method
07/18/2012CN102589469A Device for detecting profile of planar conjugate cam and control method thereof
07/18/2012CN102589468A Modeling method of cartilaginous fish placoid scale groove section profile curve
07/18/2012CN102589467A Convex aspheric optical element surface type detection device
07/18/2012CN102589466A Contour microscopic method and device
07/18/2012CN102589465A Linear array camera based automatic panoramic acquisition system for outer surface of cylindrical surface
07/18/2012CN102589464A Detection method for contour dimension of automobile airbag and application device of detection method
07/18/2012CN102589463A Two-dimensional and three-dimensional integrated imaging measurement system
07/18/2012CN102589462A Heavy-caliber paraboloid measurement system
07/18/2012CN102589461A Image-based snow depth measuring method
07/18/2012CN102589460A Rail straining and sensing method based on bidirectional strain matching fiber grating demodulating technique
07/18/2012CN102589459A Fully-distributed optical fiber sensor in combination of optical fiber Raman frequency shifter and Raman amplifier
07/18/2012CN102589458A Automobile chassis metal plate detecting system and method
07/18/2012CN102589457A Auxiliary device for a drilling machine and control procedure
07/18/2012CN102589456A Method for eliminating axis error during measurement of inner diameter and outer diameter of end of steel pipe
07/18/2012CN102589455A Standing wood diameter detection device based on laser and visual technology
07/18/2012CN102589454A Wheel rotary cutting method of rail wagon
07/18/2012CN102589453A External diameter images measuring device for axial work pieces and measuring method thereof
07/18/2012CN102589452A Method and device for measuring thickness and refractive index of thin film
07/18/2012CN102589451A Length measuring device for elastic rope of toy
07/18/2012CN102589450A Automatic length measuring device for elastic rope of toy
07/18/2012CN102589449A Length measuring device of slab and measuring method
07/18/2012CN102589448A High-precision six-freedom degree pose monitoring device
07/18/2012CN102589447A Micro linear displacement sensor based on two-channel grating
07/18/2012CN102589446A High precision micro-displacement measurement apparatus and method
07/18/2012CN102589445A Sag detection method and device of belt
07/18/2012CN102589444A Concave mirror catoptric imaging type optical lever micro displacement measurement system
07/18/2012CN102589443A System and method for intelligently detecting duct piece splicing quality based on image identification
07/18/2012CN102589442A Single-code coding and decoding method based on absolute position determination
07/18/2012CN102589441A Fully-automatic nondestructive measurement system and measurement method for phenotype parameters of potted rice
07/18/2012CN102589440A Continuous variable-angle digital holographic metrology method and device
07/18/2012CN102589439A Contact type temperature non-inductive three-dimensional detection sensor based on fiber Bragg grating (FBG)
07/18/2012CN102589438A Method for detecting vault subsidence and clearance convergence of tunnel
07/18/2012CN102589437A Calibration method for measuring head center position in light pen-type portable three-coordinate measuring system
07/18/2012CN102589436A Double-lever digital measuring head
07/18/2012CN102589435A Efficient and accurate detection method of laser beam center under noise environment
07/18/2012CN102589434A Method for detecting vehicle sideslip movement by image hub mark
07/18/2012CN102589433A Groove lens installation accuracy measurement system based on global positioning system (GPS) locating technology
07/18/2012CN102589432A Field calibration device of high-temperature forging structure light photography measurement system
07/18/2012CN102589431A Automatic detection method for accurate positions and directions of multiple strain foils
07/18/2012CN102589430A Calibrating method for multi-instrument coordinate unification device
07/18/2012CN102589429A On-line engine cylinder hexahedral hole set position error detecting method
07/18/2012CN102589428A Asymmetric-incidence-based sample axial position tracking and correcting method and device
07/18/2012CN102589427A System and method for automatically identifying and positioning instrument in electronic health station
07/18/2012CN102589426A Geology photographing system and method capable of automatically calibrating size
07/18/2012CN102589425A Measuring method for unit panel of reflecting surface of spherical radio telescope
07/18/2012CN102589424A On-line detection vision positioning method for combination surface hole group of engine cylinder
07/18/2012CN102589423A Micro-nano three-dimensional contact scanning measurement probe
07/18/2012CN102589422A Orthogonal light path two-dimensional micro-focus collimation and three-dimensional coordinate sensor
07/18/2012CN102589421A Automobile body dimension metal plate detecting system and method
07/18/2012CN102589420A Optical positioning device
07/18/2012CN102589419A Measurement method and measurement device based on PSD (Phase Sensitive Demodulator)
07/18/2012CN102589418A Method for detecting positions of concrete crack and reinforcing steel bar of reinforced concrete member
07/18/2012CN102589416A Wavelength scanning interferometer and method for aspheric measurement
07/18/2012CN102589415A Metering type digital image plane equal thickness interferometer and method for measuring flatness of object surface by employing the same
07/18/2012CN102589414A Synchronous phase-shifting Fizeau interference device capable of measuring in real time
07/18/2012CN102589413A Multi-axis displacement signal processing method for double-frequency laser interferometer
07/18/2012CN102589379A Automatic measuring monitor for primer catenary track of coating production line
07/18/2012CN102581704A Device for measuring circular trace of numerical control machine by using laser interferometer
07/18/2012CN102581071A Automatic centring feeding system for uncoiler and centring feeding method
07/18/2012CN102577694A Measurement method of thickness of seed coat of wheat seed
07/18/2012CN102147422B Servo-type fiber bragg grating (FBG) acceleration sensor
07/18/2012CN102095374B Method and device for measuring displacement along optical axis direction by using peaks and valleys of three primary colors as characteristics
07/18/2012CN102087101B Device and method for measuring strain
07/18/2012CN102062577B Automatic laser detector for wheel sets and method for automatically detecting wheel sets
07/18/2012CN101995231B Three-dimensional detection system for surface of large thin-shell object and detection method thereof
07/18/2012CN101936718B Sine stripe projection device and three-dimensional profile measuring method
07/18/2012CN101825478B Decoder device and movement controller
07/18/2012CN101825440B Clearance detecting system and method for product parts
07/18/2012CN101819023B Non-contact vision measurement device for geometric dimension of ship
07/18/2012CN101782375B Three-dimensional measuring device
07/18/2012CN101726499B Surface inspection apparatus
07/18/2012CN101726493B Method and device for detecting shrinkage and cracking performance of cement-based material
07/18/2012CN101726263B Probe system that utilizes structured-light
07/18/2012CN101701804B Collimated light beam detector
07/18/2012CN101612697B Die core clamping tool and center correction method thereof
07/18/2012CN101576707B Measurement system and measurement method for lens length
07/18/2012CN101566460B Substrate detection system for double-sided circuit board, detection method and detection carrier therefor
07/18/2012CN101435699B Light angle detection device, method for fabrication thereof and electronic device employing same
07/18/2012CN101435694B Scanning unit and optical position measuring device with this scanning unit
07/18/2012CN101379597B Semiconductor device manufacturing method and method for reducing microroughness of semiconductor surface
07/18/2012CN101231160B Method for representing nondestructive film
07/18/2012CN101144730B Position measuring device