Optics: Measuring And Testing Patents (Class 356)
- Triangulation ranging to a point with one projected beam (Class 356/3.01)
- Triangulation ranging to a point with two or more projected beams (Class 356/3.1)
- Triangulation ranging with photodetection, but with no projected beam (Class 356/3.13)
- With photodetection (Class 356/4.01)
- Instrument condition testing or indicating (Class 356/6)
- Periscope or offset type (Class 356/7)
- With view finder (Class 356/8)
- Base line instrument (i.e., base is a part of instrument) (Class 356/9)
- External basis type (Class 356/20)
- With Raman type light scattering (Class 356/301)
- For spectrographic (i.e., photographic) investigation (Class 356/302)
- With internal standard comparison (Class 356/306)
- With background radiation comparison (Class 356/307)
- With synchronized spectrum repetitive scanning (e.g., cathode-ray readout) (Class 356/308)
- With aperture mask (Class 356/310)
- With sample excitation (e.g., burning) (Class 356/311)
- Utilizing a spectrophotometer (i.e., plural beam) (Class 356/319)
- Utilizing a spectrometer (Class 356/326)
- With monochromator structure (Class 356/331)
- Spectroscopy (Class 356/451)
- Holography (Class 356/457)
- Rotation rate (e.g., ring laser gyros) (Class 356/459)
- Using fiber or waveguide interferometer (Class 356/477)
- Having light beams of different frequencies (e.g., heterodyning) (Class 356/484)
- Having polarization (Class 356/491)
- For dimensional measurement (Class 356/496)
- For refractive indexing (Class 356/517)
- Having partially reflecting plates in series (e.g., Fabry-Perot type) (Class 356/519)
- Having shearing (Class 356/520)
- Having wavefront division (by diffraction) (Class 356/521)
- Plural scales or different portions of same scale simultaneously observable (Class 356/139)
- Star/Sun/Satellite position indication with photodetection (Class 356/139.01)
- Relative attitude indication along 3 axes with photodetection (Class 356/139.03)
- Automatic following or aligning while indicating measurement (Class 356/139.04)
- Wheel alignment with photodetection (Class 356/139.09)
- Photodetection of inclination from level or vertical (Class 356/139.1)
- Apex of angle at observing or detecting station (Class 356/140)
- Sides of angle or axes being aligned transverse to optical axis (e.g., drift meter) (Class 356/150)
- With photodetection remote from measured angle (Class 356/152.1)
- Alignment of axes nominally coaxial (Class 356/153)
- With screen (Class 356/154)
- With photosensitive film or plate (Class 356/389)
- With two images of single article compared (Class 356/390)
- With projection on viewing screen (Class 356/391)
- With comparison to master, desired shape, or reference voltage (Class 356/394)
- With relatively movable optical grids (Class 356/395)
- With scale or optical grid displaced relative to remote fiducial mark (Class 356/396)
- With object being compared and scale superimposed (Class 356/397)
- With object being compared and light beam moved relative to each other (e.g., scanning) (Class 356/398)
- With merging colors or patterns (e.g., Maxwell disc) (Class 356/403)
- Photography (Class 356/404)
- Tristimulus examination (Class 356/405)
- Trichromatic examination (Class 356/406)
- With sample responsive to plural colors applied simultaneously (Class 356/407)
- With sequential comparison of sample and standard (Class 356/408)
- Fluid color transmission examination (Class 356/409)
- With color transmitting filter (Class 356/416)
- With reflective multicolor chart or standard (Class 356/421)
- With color determination by light intensity comparison (Class 356/425)
- Pupillary (Class 356/214)
- Integrating (Class 356/215)
- Heat absorbing (e.g., radiometers) (Class 356/216)
- Modulating (e.g., flicker beam) (Class 356/217)
- Photoelectric (Class 356/218)
- Comparison (Class 356/229)
- With variable light aperture size (Class 356/233)
- Light absorbing (Class 356/234)
- Integrating spheres (Class 356/236)
- Textile inspection (Class 356/238.1)
- Transparent or translucent material (Class 356/239.1)
- Containers or enclosures (e.g., packages, cans, etc.) (Class 356/240.1)
- Bore inspection (e.g., borescopes, intrascope, etc.) (Class 356/241.1)
- Surface condition (Class 356/237.2)
- Having predetermined light transmission regions (e.g., holes, aperture, multiple material articles) (Class 356/237.6)
Cross-Reference Art Collections
- Arrangements, or apparatus for facilitating the optical investigation (GO1N 21/01) (Class 356/929)
- Systems in which incident light is modified in accordance with the properties of material investigated (GO1N 21/17) (Class 356/931)
- Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light (GO1N 21/62) (Class 356/948)
- Probe photometers (GO1N 21/85B) (Class 356/953)
- Scan or image signal processing arrangements specially adapted for investigating the presence of flaws or contaminates, e.g., for scan signal adjustments, for detecting different kinds of defects, for compensating for structures (GO1N 21/88) (Class 356/954)
Foreign Patent Art Collections
- Spectroscopy (356/346) (Class 356/FOR108)
- Holography (356/347) (Class 356/FOR109)
- With light beams of different frequency (e.g., heterodyning) (356/349) (Class 356/FOR111)
- With polarization (356/351) (Class 356/FOR113)
- With partially reflecting plates in series (e.g., Fabry-Perot type) (356/352) (Class 356/FOR114)
- With shearing (356/353) (Class 356/FOR115)
- With wavefront division (e.g., by diffraction) (356/354) (Class 356/FOR116)
- For dimensional measurement (e.g., thickness) (356/357) (Class 356/FOR119)
- For optical configuration (356/359) (Class 356/FOR121)
- For refractive indexing (356/361) (Class 356/FOR123)
- For orientation and alignment (356/363) (Class 356/FOR125)
- Of article displacement (356/373) (Class 356/FOR128)
- Of position (356/375) (Class 356/FOR130)
- Of contour or profile (356/376) (Class 356/FOR131)
- Of cavities (356/378) (Class 356/FOR133)
- Of area or volume (356/379) (Class 356/FOR134)
- Of thickness (356/381) (Class 356/FOR136)
- Of length (356/383) (Class 356/FOR138)
- Of width or diameter (356/384) (Class 356/FOR139)
