Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 22,905

Document Document Title
WO/2018/106970A1
Improved wafer-scale testing of optoelectronic devices, such as CMOS image scan devices, is provided. A probe card includes an LED light source corresponding to each device under test in the wafer. The LED light sources provide light fro...  
WO/2018/100508A1
An optical setup, comprising one or more platforms having a plurality of fixation locations repeatedly arranged, and defining a discrete position coordinate system; and a plurality of modular optical units, each comprising an optical por...  
WO/2018/099852A1
The invention describes a method of analyzing a light distribution (20) of a vehicle headlight (10). The method determines a cutoff line (29) based on a brightness distribution within a column (109) of an image of the light distribution ...  
WO/2018/094823A1
A uniformity test method and system for a display screen. The test method comprises: acquiring a display state image of a display screen under test, determining the display state image as an initial image, and filtering the initial image...  
WO/2018/095883A1
A method of distinguishing whether a detected change in reflected power in an optical time domain reflectometer (OTDR) measurement carried out in a fiber optic transmission system (16) using an OTDR is caused by a an event causing actual...  
WO/2018/094876A1
An optical element supporting device (100), comprising: a base (20) comprising a supporting area on the top surface of the base; and a sealing ring (10) mounted on the top surface of the base (20) and used for bearing an optical element ...  
WO/2018/090450A1
Disclosed is a uniformity measurement method for a display screen, comprising: acquiring a preset image template and a display state picture of a display screen under measurement, and performing zooming processing on the image template t...  
WO/2018/094407A1
Aspects of the disclosure relate to an integrated optical probe card and a system for performing wafer testing of optical micro-electro-mechanical systems (MEMS) structures with an in-plane optical axis. On- wafer optical screening of op...  
WO/2018/087424A1
This specification describes a method comprising: based on a plurality of images of at least one displayed straight line captured by an image capture device (10) having at least one lens (20) and a sensor (50), the line having a differen...  
WO/2018/089198A1
Optical polarization control devices that include two pairs of squeezing plates oriented in mutually perpendicular directions are described. Compressive forces exerted by the two pairs of plates onto an optical fiber can be configured fo...  
WO/2018/086161A1
A measurement method for spectral responsivity of a large-aperture radiometer (6), relating to the field of optical measurement and test. The method comprises: first generate monochromatic light by using a monochromator (14); then the mo...  
WO/2018/086323A1
A backlight detection device may comprise a film-pressing device (30) and a vacuum equipment (11). The film-pressing device (30) may be configured to place a film (34) on a surface of a backlight (33). The vacuum equipment (11) may be co...  
WO/2018/083970A1
The purpose of the present invention is to provide a robot system (100) capable of easily and rapidly performing the work of connecting an optical connector (61) with an object being connected and confirming light conduction. A robot sys...  
WO/2018/078602A1
A method for determining the inversion state of a soft contact lens (1 ), comprising imaging a soft contact lens having a convex surface (2, 3) and a concave surface (3, 2), a lens center and a lens edge (5) surrounding said soft contact...  
WO/2018/077356A1
The invention relates to a reference plate for calibrating and/or checking a deflectometry sensor system, said deflectometry sensor system comprising an image generating device and a capturing device having at least one capturing element...  
WO/2018/079835A1
A spectacle lens evaluation method includes calculating, on the basis of convergence accommodation, visual acuity relative to an object at a prescribed distance in a prescribed direction when viewed through spectacle lenses, and evaluati...  
WO/2018/075911A1
Shape sensing with a multi-core fiber can achieve high accuracy as well as accommodate small bend radii by measuring signals with peripheral waveguide cores placed at multiple different radial distances from the center axis of the fiber,...  
WO/2018/075691A1
System and method for performance characterization of multi configuration near eye displays includes: a mirror; a lamp; a beamsplitter; a collimating and reflective lens for collimating light reflected from the beamsplitter and reflectin...  
WO/2018/073576A2
A system (101) for examining lenses in a pair of glasses includes a tablet computer (112), a camera (128) mounted above the computer screen and a glasses mount (156) for holding a lens in a pair of glasses between the camera and the disp...  
WO/2018/073577A2
A test pattern (170) comprising a set of dots (174) which define a first ellipse (176) of best fit in which the major and minor axes R1, R2 are equal (i.e. a circle) is displayed on a plane surface and a digital image of the (usually dis...  
WO/2018/068199A1
A measurement apparatus for transmission wavefront equation of aspherical surface compensator (S13) comprises a phase-shifting interferometer, a range finding interferometer, and a reference spherical component, wherein the aspherical su...  
WO/2018/071264A1
Methods for estimating the Effective Modal Bandwidth (EMB) of laser optimized Multimode Fiber (MMF) at a specified wavelength, λS, based on the measured EMB at a first reference measurement wavelength, λM. In these methods the Differen...  
WO/2018/069143A1
The present invention relates to a headlight setting test device comprising a lens, which directs an image of the tested headlight on a monitor, comprising a data memory, which stores the height difference between the contact area of a r...  
WO/2018/064827A1
Provided is a system wave aberration measurement method capable of calibrating system error; subtraction is performed between the system error of a tested projection lens (8) and the system error of a shear interference measurement syste...  
WO/2018/065801A1
A digital fiber optic connector imaging system that can automatically capture two or more images of the endface of a multifiber connector, wherein the captured images as a group have sufficient resolution and a sufficient FOV to be used ...  
WO/2018/063546A1
Example embodiments include an optical assembly for an optical interrogation system having a single core or a multicore sensing fiber, a measurement fiber to couple light into the sensing fiber, and a reference fiber arranged with the me...  
WO/2018/054090A1
A light detection system and a light detection device (100). The light detection system comprises a light source (10), a first aperture (20), a diffusion unit (30), a polarization conversion unit (40), an LCD panel (50), and a detection ...  
WO/2018/052505A1
An optical apparatus (20) includes a diffractive optical element (DOE - 26), having at least one optical surface, a side surface (34, 36), which is not parallel to the at least one optical surface of the DOE, and a grating (30), which is...  
WO/2018/046580A1
The spectacle lens (42) comprises a substrate and an anti-reflection or mirror interference coating covering said substrate on the side of the front face (46), said interference coating forming a one-dimensional or two-dimensional bar co...  
WO/2018/042760A1
The present invention makes it possible to measure the effective refractive index difference between propagation modes at a specific point in a multimode optical fiber. In the present invention, a Brillouin frequency shift ν1 is measure...  
WO/2018/039046A1
A system and method are provided for distributed acoustic sensing in an optical fiber (300). The system includes a transmitter (2001) for simultaneously propagating a sequence of M light pulses through the optical fiber (300) using a spa...  
WO/2018/038937A1
A tool (100) for testing the termination of optical connectors (156) has a housing, a cradle (112) attached to the housing, and a cover (195) removeably attached to the cradle. The cradle (112) is configured to restrain a fiber optic con...  
WO/2018/037448A1
A wavefront measurement device is provided with a light source system (26) for illuminating an optical system (3) under inspection and causing beams of light having a plurality of wavefront measurement fields of view to be emitted from t...  
WO/2018/033365A1
The invention relates to a method for detecting a surrounding region (8) of a motor vehicle (1) using a camera system (2) of the motor vehicle (1). In the method, a detection region (9) is specified by an optical device (3) of the camera...  
WO/2018/034066A1
A light source device 100 includes a light source 101 that emits light to be irradiated, a chromaticity measuring unit (spectrometer) 109 that measures the chromaticity of light emitted by the light source, and a chromaticity adjusting u...  
WO/2018/034847A1
Aspects and techniques of the present disclosure relate to a diagnostic method for testing continuity along an optical fiber. The method can include a step of mounting a dust cap to an optical port where the dust cap includes a self-powe...  
WO/2018/034181A1
An image inspection device provided with: a mounting unit 10 having mounted thereon an image projection device 30 for directly projecting an image onto a user's retina; a condensing lens 12 for condensing a light beam 50 output from the ...  
WO/2018/027527A1
Provided is an imaging quality detection method for an optical system, which solves the problems that in the prior art, the imaging quality detection method of an optical system is complicated, with low execution efficiency. The method c...  
WO/2018/026618A1
Embodiments of the present invention provide an improved method of determining splice losses of mechanically terminated optical connectors in the field, without the need of terminating both sides of the fiber link. Embodiments of the pre...  
WO/2018/026439A1
Optical transceivers comprising optical loopback circuits are described. The optical transceiver may comprise a housing, which may host a transmitter, a receiver and the optical loopback circuit. The optical loopback circuit may be confi...  
WO/2018/025851A3
An optical characteristic of a coupled multi-core optical fiber is evaluated without core alignment, one of plural cores thereof being arranged as a center core at the center of a cladding thereof, a total number of spatial modes being a...  
WO/2018/021388A1
According to an aspect of the present invention, provided is a character-blurring evaluation method for a display device 20, characterized in that light emitted from the display device 20 is photographed with two or more kinds of stripe ...  
WO/2018/015888A1
There is described a method for inspecting an ophthalmic lens, in particular a contact lens, using Optical Coherence Tomography. The method according to the invention comprises illuminating a sample volume including the ophthalmic lens w...  
WO/2018/009064A1
A device comprises a housing, a detector for receiving solar irradiance and for providing a detector signal providing an indication of an amount of solar irradiance received by the detector and a shield transparent to at least part of th...  
WO/2018/007211A1
A measuring method and a measuring system for interferometrically measuring the imaging quality of an optical imaging system are configured, by adapted design of measurement structures of associated structure carriers, to carry out a wav...  
WO/2018/007008A1
The invention relates to a measurement system (10) for determining a wavefront aberration of an optical imaging system (12), comprising an irradiation device (24) for passing measurement radiation (26) through the imaging system (12), an...  
WO/2018/007098A1
The invention relates to an appliance for the moiré measurement of an optical test object, comprising a grating arrangement made of a first grating (11) which is positionable in the optical beam path upstream of the test object (12) and...  
WO/2018/009802A1
A fiber optic ferrule inspection tool (100) inspects and cleans a fiber optic ferrule (900). The tool includes a mounting arrangement (216), a camera (500), a grazing light assembly (800), an axial light (512), and a nozzle (320, 320?). ...  
WO/2018/001450A1
The invention concerns a device (10) for calibrating distributing sensing technologies. The device (10) comprises an optical fiber (8), a first input (11) arranged for receiving at least one optical pulse (5) and injecting this at least ...  
WO/2018/005278A1
A computer-implemented method for testing a modulation transfer function or spatial frequency response of an imaging system includes, on a computing device, generating a plurality of accumulation cells running along an accumulation line....  

Matches 1 - 50 out of 22,905