Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Optical & Optics
Class Information
Number: 356/355
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
Adaptive analog echo/next cancellation
Phase lock loop with injection pulse control
System and method for optimizing use of plug-in air conditioners and portable heaters
Large scale data storage system with fault tolerance
Decoration holder
Decision management system and method
Method and apparatus for supporting management actions for very high throughput in wireless communications
  Randomly Featured Patents
Output stage of a power amplifier having a switched-bulk biasing and adaptive biasing
Tactile presenting device
Inset for a tool
Flexibility enhancing coating for boxboard, particularly of carton joints and fold lines, and method of application
Angiotensin converting enzyme homolog and therapeutic and diagnostic uses therfor
Printing with a vertical nozzle array head
Handbag
Holdback control in apparatus for coating the internal surfaces of metal tubes
Control apparatus including an electronic timer
Anti-collision interrogation pulse focusing system for use with multiple surface acoustic wave identification tags and method of operation thereof