Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Optical & Optics
Class Information
Number: 356/349
Name: Optics: measuring and testing >
Description:










Sub-classes under this class:

Class Number Class Name Patents
356/121 Lamp beam direction or pattern 380
356/123 Focal position of light source 93
356/124 Lens or reflective image former testing 621
356/128 Refraction testing (e.g., refractometers) 339
356/138 Angle measuring or angular axial alignment 517
356/2 Contour plotting 142
356/213 Photometers 201
356/23 Motion stopping (e.g., stroboscopes) 59
356/237.1 Inspection of flaws or impurities 1,396
356/242.1 Thread counting 6
356/243.1 Standard 305
356/244 Sample, specimen, or standard holder or support (e.g., plates or slides) 941
356/247 Fiducial instruments 96
356/256 Miscellaneous 76
356/27 Velocity or velocity/height measuring 83
356/29 Optical element or reticle responds to relative velocity of remote object 33
356/3 Range or remote distance finding 206
356/30 Crystal or gem examination 217
356/300 By dispersed light spectroscopy 551
356/32 Material strain analysis 268
356/335 For size of particles 347
356/337 By particle light scattering 441
356/344 By electrophoresis 271
356/36 With sample preparation 366
356/364 By polarized light examination 798
356/388 By configuration comparison 99
356/39 Blood analysis 1,024
356/399 By alignment in lateral direction 796
356/402 By shade or color 630
356/426 By inspection with agitation or rotation 118
356/429 By monitoring of webs or thread 404
356/43 Optical pyrometers 217
356/432 For light transmission or absorption 1,050
356/445 Of light reflection (e.g., glass) 1,624
356/450 By light interference (e.g., interferometer) 560
356/51 Infrared and ultraviolet 372
356/52 Egg candling 20
356/600 Surface roughness 376
356/601 Shape or surface configuration 869
356/614 Position or displacement 1,255
356/625 Dimension 505
356/69 Cutting blade sharpness 4
356/70 Oil testing (e.g., contamination) 131
356/71 Document pattern analysis or verification 830
356/72 With plural diverse test or art 564
356/73 Plural test 1,019
356/73.1 For optical fiber or waveguide inspection 1,535
356/900 Interferometers (go1b 9/02) 2
356/904 Measuring microscopes (go1b 9/04) 7
356/905 Measuring telescopes (go1b 9/06) 0
356/906 Optical projection comparators, e.g., for profile (go1b 9/08) 0
356/907 Goniometers (go1b 9/10) 3
356/908 Measuring length, width, or thickness (go1b 11/02) 6
356/911 Measuring the deformation in a solid, e.g., optical strain gauge (go1b 11/16) 0
356/912 Measuring angles (go1c 1/00) 1
356/916 Altimeters for aircraft (go1c 5/00a) 1
356/917 Measuring inclination, e.g., by clinometers, by levels (go1c 9/00) 0
356/918 Photogrammetry; photographic surveying (go1c 11/00) 2
356/922 Photometry, e.g., photographic exposure meter (go1j 11/04) 1
356/923 Radiation pyrometry (golj 5/00) 0
356/924 Measuring velocity of light (golj 7/00) 0
356/925 Measuring optical phase difference: measuring optical wavelength (go1j 9/00) 7
356/926 Measuring the characteristics of individual optical pulses or of optical pulse trains (go1j 11/00) 2
356/927 Measuring variations of optical properties of material when it is stressed, e.g., by photoelastic stress analysis using infra-red, visible light, ultra-violet (go1l 1/24) 5
356/928 Investigating or analyzing materials by the use of optical means, i.e., using infra-red, visible, or ultra-violet light (go1n 21/00) 14
356/955 Measuring linear or angular speed utilizing devices characterized by the use of optical means, e.g., using infra-red, visible, or ultra-violet light (go1p 3/36) 1


Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
  Recently Added Patents
Methods for selective reverse mask planarization and interconnect structures formed thereby
Unified feedback frame for supporting a plurality of feedback modes and a multiple-input multiple-output (MIMO) communication system using the unified feedback frame
Pressing mold for optical lenses and method for manufacturing glass optical lenses
Power supply apparatus for light emitting diode
Method for transmitting a signal from a transmitter to a receiver in a power line communication network, transmitter, receiver, power line communication modem and power line communication syst
Upper surface of a skateboard deck
Probe for ultrasound diagnostic apparatus
  Randomly Featured Patents
H-bridge with sensing circuit
Extreme low resistivity light attenuation anti-reflection coating structure and method for manufacturing the same
Device for monitoring the position, intensity, uniformity and directivity of an ionizing radiation beam
Orthopedic pad
Device for widening of the nasal passage
Curtain hanger
Floribunda rose plant named `JACpan`
Novel thermosetting resins and process for preparing the same
Method and apparatus for detecting timeout for packets transmitted in a packet-switched point-to-point communication architecture
Back up of network devices