| Class Number |
Class Name |
No. of Patents |
| 356/916 |
Altimeters for aircraft (go1c 5/00a) |
0 |
| 356/138 |
Angle measuring or angular axial alignment |
418 |
| 356/153 |
Alignment of axes nominally coaxial |
357 |
| 356/140 |
Apex of angle at observing or detecting station |
33 |
| 356/148 |
Artificial reference |
31 |
| 356/149 |
Gyroscope or pendulum stabilized optical element |
66 |
| 356/147 |
Measurement in two planes (e.g., azimuth and elevation; hour angle and declination) |
47 |
| 356/142 |
Scale and remote point simultaneously observable |
17 |
| 356/143 |
Artificial reference |
9 |
| 356/141.1 |
With photodetection of reflected beam angle with respect to a unidirectional source beam |
354 |
| 356/141.2 |
With photodetection |
98 |
| 356/141.5 |
With at least 2-dimensional sensitivity |
237 |
| 356/141.4 |
With optical scanning of light beam or detector |
152 |
| 356/141.3 |
With unidirectional or planar source beam directed at the photodetecting station |
213 |
| 356/144 |
With plural images |
23 |
| 356/145 |
Lines of sight relatively adjustable with two degrees of freedom |
17 |
| 356/146 |
Two or more lines of sight deflected |
20 |
| 356/139.04 |
Automatic following or aligning while indicating measurement |
81 |
| 356/139.05 |
With optical elements moving relative to fixed housing to follow or align |
73 |
| 356/139.06 |
With optical housing moving to follow or align |
52 |
| 356/139.07 |
With photodetection of reflected beam angle with respect to a unidirectional source beam |
51 |
| 356/139.08 |
With source beam moving to follow or align |
59 |
| 356/139.1 |
Photodetection of inclination from level or vertical |
83 |
| 356/139 |
Plural scales or different portions of same scale simultaneously observable |
25 |
| 356/139.03 |
Relative attitude indication along 3 axes with photodetection |
201 |
| 356/150 |
Sides of angle or axes being aligned transverse to optical axis (e.g., drift meter) |
87 |
| 356/151 |
With light pulsing or interrupting means |
11 |
| 356/139.01 |
Star/sun/satellite position indication with photodetection |
91 |
| 356/139.02 |
With reticle or slot |
16 |
| 356/139.09 |
Wheel alignment with photodetection |
135 |
| 356/152.1 |
With photodetection remote from measured angle |
126 |
| 356/152.2 |
With reflection of a unidirectional source beam from a planar or nonretroreflective surface |
112 |
| 356/152.3 |
With reflection of a unidirectional source beam from a retroreflector |
86 |
| 356/154 |
With screen |
66 |
| 356/155 |
Wheel alignment |
135 |
| 356/39 |
Blood analysis |
852 |
| 356/40 |
Hemoglobin concentration |
102 |
| 356/41 |
Oximeters |
290 |
| 356/42 |
Standards |
48 |
| 356/399 |
By alignment in lateral direction |
653 |
| 356/400 |
With light detector (e.g., photocell) |
964 |
| 356/401 |
With registration indicia (e.g., scale) |
1225 |
| 356/388 |
By configuration comparison |
83 |
| 356/394 |
With comparison to master, desired shape, or reference voltage |
607 |
| 356/398 |
With object being compared and light beam moved relative to each other (e.g., scanning) |
142 |
| 356/397 |
With object being compared and scale superimposed |
60 |
| 356/389 |
With photosensitive film or plate |
38 |
| 356/391 |
With projection on viewing screen |
31 |
| 356/392 |
For comparison with master or desired configuration |
40 |
| 356/393 |
Having master or desired configuration projection |
20 |
| 356/395 |
With relatively movable optical grids |
73 |
| 356/396 |
With scale or optical grid displaced relative to remote fiducial mark |
31 |
| 356/390 |
With two images of single article compared |
86 |
| 356/300 |
By dispersed light spectroscopy |
371 |
| 356/302 |
For spectrographic (i.e., photographic) investigation |
52 |
| 356/305 |
With diffraction grating |
100 |
| 356/304 |
With sectored disc |
2 |
| 356/303 |
With spectral analysis |
99 |
| 356/326 |
Utilizing a spectrometer |
697 |
| 356/328 |
Having diffraction grating means |
876 |
| 356/329 |
Including servo slit adjustment means |
12 |
| 356/327 |
Having light polarizing means |
71 |
| 356/330 |
Having optical gating means |
84 |
| 356/319 |
Utilizing a spectrophotometer (i.e., plural beam) |
375 |
| 356/323 |
Having beam modulation |
88 |
| 356/325 |
Prior to testing |
98 |
| 356/324 |
With plural dispersion |
16 |
| 356/320 |
Having plural wavelengths |
135 |
| 356/321 |
Having servo equalization |
11 |
| 356/322 |
With polarized light beams |
18 |
| 356/310 |
With aperture mask |
95 |
| 356/307 |
With background radiation comparison |
113 |
| 356/306 |
With internal standard comparison |
34 |
| 356/331 |
With monochromator structure |
49 |
| 356/332 |
Having adjustable color or bandwidth |
60 |
| 356/333 |
In a double monochromator |
53 |
| 356/334 |
With diffraction grating means |
278 |
| 356/301 |
With raman type light scattering |
700 |
| 356/311 |
With sample excitation (e.g., burning) |
164 |
| 356/313 |
By arc or spark |
77 |
| 356/314 |
Including sputtering |
23 |
| 356/312 |
By electrical resistance heating (e.g., graphite tube) |
165 |
| 356/315 |
By flame |
120 |
| 356/316 |
By high frequency field (e.g., plasma discharge) |
267 |
| 356/317 |
By light |
565 |
| 356/318 |
Monochromatic (e.g., laser) |
856 |
| 356/308 |
With synchronized spectrum repetitive scanning (e.g., cathode-ray readout) |
90 |
| 356/309 |
Using plural beams |
20 |
| 356/344 |
By electrophoresis |
238 |
| 356/426 |
By inspection with agitation or rotation |
103 |
| 356/427 |
Of container contents |
189 |
| 356/428 |
Of containers |
97 |
| 356/450 |
By light interference (e.g., interferometer) |
407 |
| 356/496 |
For dimensional measurement |
178 |
| 356/511 |
Contour or profile |
284 |
| 356/512 |
By wavefront detection |
301 |
| 356/513 |
Of highly reflective surface (e.g., mirror) |
126 |
| 356/514 |
Planar surface |
73 |
| 356/515 |
Of transmission (e.g., lens) |
124 |
| 356/516 |
Step height (differential, between points) |
50 |
| 356/498 |
Displacement or distance |
272 |
| 356/499 |
Having wavefront division (e.g., by diffraction) |
226 |
| 356/501 |
Of probe head (e.g., atomic force microscope) |
58 |
| 356/502 |
Surface displacement due to acoustic wave propagation) |
138 |
| 356/500 |
X-y and/or z table |
188 |
| 356/508 |
For orientation or alignment |
146 |
| 356/509 |
Between mask and wafer |
90 |
| 356/510 |
Tilt |
75 |
| 356/505 |
Gap |
53 |
| 356/507 |
Between slider/disc (e.g., flying height) |
60 |
| 356/506 |
Fabry-perot type |
53 |
| 356/497 |
Having short coherence length source |
317 |
| 356/503 |
Thickness |
191 |
| 356/504 |
Refraction from surfaces of different refractive index |
160 |
| 356/517 |
For refractive indexing |
167 |
| 356/518 |
Having schlieren effect |
4 |
| 356/484 |
Having light beams of different frequencies (e.g., heterodyning) |
317 |
| 356/485 |
For dimensional measurement (e.g., thickness gap, alignment, profile) |
90 |
| 356/490 |
Alignment |
50 |
| 356/489 |
Contour or profile |
93 |
| 356/486 |
Displacement or distance |
108 |
| 356/487 |
Polarization |
155 |
| 356/488 |
Having wavefront division (e.g., by diffraction) |
27 |
| 356/519 |
Having partially reflecting plates in series (e.g., fabry-perot type) |
382 |
| 356/491 |
Having polarization |
222 |
| 356/492 |
For dimensional measurement |
81 |
| 356/495 |
Contour or profile |
121 |
| 356/493 |
Displacement or distance |
137 |
| 356/494 |
Having wavefront division (e.g., by diffraction) |
59 |
| 356/520 |
Having shearing |
188 |
| 356/521 |
Having wavefront division (by diffraction) |
325 |
| 356/457 |
Holography |
98 |
| 356/458 |
For optical configuration |
96 |
| 356/459 |
Rotation rate (e.g., ring laser gyros) |
164 |
| 356/460 |
By fiber or waveguide interferometer (e.g., sagnac effect) |
238 |
| 356/465 |
Fiber coil winding |
69 |
| 356/466 |
Having m x n loop coupler where (m is greater than 2) and (n is greater than or equal to 2) (e.g., passive bias) |
28 |
| 356/464 |
Having null feedback loop |
141 |
| 356/462 |
Multi-axis (x-y-z) having multiplexing |
25 |
| 356/463 |
Multiple harmonic output |
31 |
| 356/461 |
Resonant loop |
96 |
| 356/469 |
Cavity mirror details |
61 |
| 356/468 |
Cavity output beam combiner |
38 |
| 356/467 |
Four frequency, multi-oscillator, non-planar cavity |
68 |
| 356/472 |
Lock-in prevention |
36 |
| 356/476 |
By dithering (suspensions, drives, flexures) |
52 |
| 356/475 |
Having dither signal control |
15 |
| 356/474 |
Having dither signal removal from output |
14 |
| 356/473 |
Path length control (plc) |
52 |
| 356/471 |
Multi-axis cavity |
20 |
| 356/470 |
Passive cavity (laser source outside cavity) |
21 |
| 356/451 |
Spectroscopy |
287 |
| 356/454 |
Fabry-perot type or etalon type |
186 |
| 356/455 |
Having a rotating, pendulous, or wedge scanning element |
78 |
| 356/452 |
Having particular linear mirror drive or configuration |
66 |
| 356/456 |
Imaging |
76 |
| 356/453 |
Polarization |
55 |
| 356/477 |
Using fiber or waveguide interferometer |
487 |
| 356/482 |
For distance or displacement measurement |
109 |
| 356/479 |
Having a short coherence length source |
250 |
| 356/478 |
Multiplexed sensor array |
151 |
| 356/483 |
Plural counter-propagating beams (e.g., non-motion sagnac device) |
91 |
| 356/481 |
Refraction indexing |
56 |
| 356/480 |
Resonant cavity |
171 |
| 356/429 |
By monitoring of webs or thread |
347 |
| 356/430 |
For flaws or imperfections |
335 |
| 356/431 |
Including transverse scanning |
234 |
| 356/337 |
By particle light scattering |
278 |
| 356/338 |
With photocell detection |
632 |
| 356/339 |
At right angles to the light beam (e.g., nephelometer) |
234 |
| 356/340 |
At variable angle to the light beam |
101 |
| 356/341 |
For light comparison means |
103 |
| 356/342 |
Of back-scattered light |
231 |
| 356/343 |
Using plural photocells |
271 |
| 356/364 |
By polarized light examination |
594 |
| 356/369 |
Of surface reflection |
794 |
| 356/365 |
With birefringent element |
187 |
| 356/370 |
With light attenuation |
38 |
| 356/366 |
With polariscopes |
71 |
| 356/367 |
Including polarimeters |
188 |
| 356/368 |
With electro-optical light rotation |
158 |
| 356/402 |
By shade or color |
470 |
| 356/409 |
Fluid color transmission examination |
67 |
| 356/410 |
Of flowing liquids |
133 |
| 356/411 |
With plural light detectors (e.g., photocells) |
62 |
| 356/414 |
With color transmitting filter |
110 |
| 356/415 |
Including liquid filter comparison |
3 |
| 356/412 |
With ionic determination |
20 |
| 356/413 |
With variable light path length |
13 |
| 356/404 |
Photography |
93 |
| 356/406 |
Trichromatic examination |
150 |
| 356/405 |
Tristimulus examination |
164 |
| 356/425 |
With color determination by light intensity comparison |
232 |
| 356/416 |
With color transmitting filter |
200 |
| 356/420 |
Included with colored light sources |
48 |
| 356/417 |
Included with sample excitation |
540 |
| 356/419 |
Including multicolor filters |
355 |
| 356/418 |
Including rotating sequential filters |
242 |
| 356/403 |
With merging colors or patterns (e.g., maxwell disc) |
10 |
| 356/421 |
With reflective multicolor chart or standard |
69 |
| 356/424 |
Drum or endless tape |
3 |
| 356/422 |
Plate |
23 |
| 356/423 |
Disk |
23 |
| 356/407 |
With sample responsive to plural colors applied simultaneously |
219 |
| 356/408 |
With sequential comparison of sample and standard |
91 |
| 356/2 |
Contour plotting |
126 |
| 356/30 |
Crystal or gem examination |
180 |
| 356/31 |
Axes determination |
23 |
| 356/69 |
Cutting blade sharpness |
3 |
| 356/625 |
Dimension |
344 |
| 356/628 |
Area |
55 |
| 356/629 |
Light scanning |
43 |
| 356/626 |
Cavities |
78 |
| 356/634 |
Length |
132 |
| 356/630 |
Thickness |
486 |
| 356/631 |
By triangulation |
69 |
| 356/632 |
Of light permeable material |
311 |
| 356/627 |
Volume |
103 |
| 356/635 |
Width or diameter |
221 |
| 356/636 |
Line width |
136 |
| 356/638 |
Shadow or beam blocking |
145 |
| 356/639 |
Scanning |
49 |
| 356/640 |
Single beam scans entire width or diameter |
77 |
| 356/637 |
Web |
33 |
| 356/71 |
Document pattern analysis or verification |
672 |
| 356/52 |
Egg candling |
18 |
| 356/68 |
Lamp attachments |
3 |
| 356/53 |
Photoelectric |
30 |
| 356/54 |
With counting, marking, or weighing |
5 |
| 356/55 |
With egg transfer |
4 |
| 356/58 |
Endless conveyor |
9 |
| 356/59 |
Manual transfer |
3 |
| 356/61 |
Portable receptacles |
1 |
| 356/60 |
With light shading chamber |
0 |
| 356/56 |
With egg turning or jarring |
3 |
| 356/57 |
Endless conveyor |
1 |
| 356/64 |
With light box |
2 |
| 356/65 |
With egg turning or jarring |
0 |
| 356/66 |
With particular illumination means |
7 |
| 356/67 |
With particular electrical switching |
3 |
| 356/62 |
With light shading chamber |
4 |
| 356/63 |
Hood type |
1 |
| 356/247 |
Fiducial instruments |
80 |
| 356/248 |
Artificial reference |
37 |
| 356/249 |
Liquid surface (e.g., bubble level) |
45 |
| 356/250 |
Pendular suspension of optical element or reticle |
46 |
| 356/253 |
Deflection of line of sight |
6 |
| 356/255 |
By reflection |
29 |
| 356/254 |
Two or more deflections |
12 |
| 356/251 |
Reticle lies outside viewing path |
46 |
| 356/252 |
Reticle image transversely adjustable relative to optical axis |
52 |
| 356/123 |
Focal position of light source |
77 |
| 356/432 |
For light transmission or absorption |
743 |
| 356/433 |
By comparison |
118 |
| 356/434 |
Photoelectric (e.g., sequential viewing) |
172 |
| 356/435 |
With plural detectors (e.g., simultaneous viewing) |
212 |
| 356/436 |
Of fluent material |
499 |
| 356/437 |
Gas |
443 |
| 356/438 |
Exhaust, dust or smoke |
185 |
| 356/439 |
Contained |
119 |
| 356/441 |
Having particles suspended in liquid |
105 |
| 356/442 |
With light detector |
241 |
| 356/440 |
With significant sample holder or supply |
542 |
| 356/443 |
Of photographic film |
95 |
| 356/444 |
With scanning, sweeping, or moving detector over film |
90 |
| 356/73.1 |
For optical fiber or waveguide inspection |
1261 |
| 356/335 |
For size of particles |
258 |
| 356/336 |
By particle light scattering |
528 |
| 356/907 |
Goniometers (go1b 9/10) |
0 |
| 356/51 |
Infrared and ultraviolet |
269 |
| 356/237.1 |
Inspection of flaws or impurities |
959 |
| 356/241.1 |
Bore inspection (e.g., borescopes, intrascope, etc.) |
192 |
| 356/241.2 |
Firearm bore inspection |
8 |
| 356/241.4 |
Flexible |
40 |
| 356/241.6 |
Having guiding means |
21 |
| 356/241.5 |
Specific construction of distal end |
22 |
| 356/241.3 |
With adjustable head |
6 |
| 356/240.1 |
Containers or enclosures (e.g., packages, cans, etc.) |
106 |
| 356/237.6 |
Having predetermined light transmission regions (e.g., holes, aperture, multiple material articles) |
98 |
| 356/237.2 |
Surface condition |
944 |
| 356/237.3 |
Detection of object or particle on surface |
228 |
| 356/237.4 |
On patterned or topographical surface (e.g., wafer, mask, circuit board) |
497 |
| 356/237.5 |
On patterned or topographical surface (e.g., wafer, mask, circuit board) |
726 |
| 356/238.1 |
Textile inspection |
73 |
| 356/238.3 |
Detection of foreign material (e.g., trash, splinters, contaminants, etc.) |
32 |
| 356/238.2 |
Elongated textile product (e.g., thread, yarn, etc.) |
72 |
| 356/239.1 |
Transparent or translucent material |
267 |
| 356/239.4 |
Containers (e.g., bottles) |
230 |
| 356/239.5 |
Detection of foreign matter on or in container |
53 |
| 356/239.6 |
Of container contents |
45 |
| 356/239.2 |
Optical element (e.g., contact lens, prism, filter, lens, etc.) |
118 |
| 356/239.3 |
Patterned surface |
33 |
| 356/239.7 |
Surface condition |
74 |
| 356/239.8 |
Detection of an object or particle on surface |
81 |
| 356/900 |
Interferometers (go1b 9/02) |
0 |
| 356/902 |
Involving diffraction gratings (go1b 9/02g) |
0 |
| 356/901 |
Involving fiber optics or integrated optics (go1b 9/02f) |
2 |
| 356/903 |
Using holographic techniques (go1b 9/021) |
0 |
| 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) |
6 |
| 356/929 |
Arrangements, or apparatus for facilitating the optical investigation (go1n 21/01) |
3 |
| 356/930 |
Cuvette constructions (go1n 21/03) |
0 |
| 356/953 |
Probe photometers (go1n 21/85b) |
1 |
| 356/954 |
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) |
0 |
| 356/931 |
Systems in which incident light is modified in accordance with the properties of material investigated (go1n 21/17) |
3 |
| 356/939 |
Color; spectral properties, i,e., comparison of effect of material on the light at two or more different wavelengths or wavelength bands (go1n 21/25) |
3 |
| 356/942 |
Arrangements using two alternating lights and one detector (go1n 21/25d) |
0 |
| 356/940 |
Colorimeters (go1n 21/25b) |
1 |
| 356/941 |
For batch operation, i.e., multi-sample apparatus (go1n 21/25b2) |
0 |
| 356/945 |
Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g., atomic absorption spectrometry (go1n 21/31) |
4 |
| 356/943 |
Using photo-electric detection (go1n 21/27) |
2 |
| 356/944 |
For following a reaction, e.g., for determining photometrically a reaction rate (go1n 21/27c) |
0 |
| 356/935 |
Dichroism (go1n 21/19) |
0 |
| 356/946 |
Holographic interferometry (go1n 21/45b) |
0 |
| 356/936 |
Polarization-affecting properties (go1n 21/21) |
2 |
| 356/938 |
Bi-refringence (go1n 21/23) |
0 |
| 356/937 |
Ellipsometry (go1n 21/21b) |
2 |
| 356/947 |
Scattering, i.e., diffuse reflection (go1n 21/47f) |
4 |
| 356/933 |
With calorimetric detection, e.g., with thermal lens detection (go1n 21/17c) |
0 |
| 356/934 |
With modulation of one or more physical properties of the sample during optical investigation, e.g., electra reflectance (go1n 21/17m) |
0 |
| 356/932 |
With opto-acoustic detection, e.g., for gases or analyzing solids (go1n 21/17b) |
0 |
| 356/948 |
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) |
0 |
| 356/949 |
Optically excited (go1n 21/63) |
2 |
| 356/951 |
Florescence; phosphorescence (go1n 21/64) |
3 |
| 356/952 |
Raman scattering (go1n 21/65) |
0 |
| 356/950 |
Using photolysis and investigating photolyzed fragments (go1n 21/63c) |
0 |
| 356/121 |
Lamp beam direction or pattern |
326 |
| 356/122 |
With lamp focusing |
13 |
| 356/124 |
Lens or reflective image former testing |
490 |
| 356/125 |
Focal length measuring |
122 |
| 356/126 |
Deflecting or interrupting optical path |
22 |
| 356/124.5 |
For optical transfer function |
87 |
| 356/127 |
Optical center, cylinder axis, or prism measuring or determining |
146 |
| 356/32 |
Material strain analysis |
218 |
| 356/35.5 |
By light interference detector (e.g., interferometer) |
217 |
| 356/33 |
With polarized light |
69 |
| 356/34 |
Attached detector |
31 |
| 356/35 |
Sheet material |
31 |
| 356/912 |
Measuring angles (go1c 1/00) |
1 |
| 356/915 |
Sextants (go1c 1/08) |
0 |
| 356/913 |
Theodolites (go1c 1/02) |
0 |
| 356/914 |
Combined with cameras (go1c 1/04) |
0 |
| 356/917 |
Measuring inclination, e.g., by clinometers, by levels (go1c 9/00) |
0 |
| 356/908 |
Measuring length, width, or thickness (go1b 11/02) |
4 |
| 356/910 |
By means of diode-array scanning (go1b 11/02c) |
1 |
| 356/909 |
By means of tv-camera scanning (go1b 11/02b) |
1 |
| 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) |
0 |
| 356/956 |
Using a ring laser (go1p 3/36b) |
1 |
| 356/957 |
Using diffraction of light (go1p 3/36c) |
1 |
| 356/958 |
Using photographic means (go1p 3/38) |
1 |
| 356/904 |
Measuring microscopes (go1b 9/04) |
5 |
| 356/925 |
Measuring optical phase difference: measuring optical wavelength (go1j 9/00) |
4 |
| 356/905 |
Measuring telescopes (go1b 9/06) |
0 |
| 356/926 |
Measuring the characteristics of individual optical pulses or of optical pulse trains (go1j 11/00) |
1 |
| 356/911 |
Measuring the deformation in a solid, e.g., optical strain gauge (go1b 11/16) |
0 |
| 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) |
0 |
| 356/924 |
Measuring velocity of light (golj 7/00) |
0 |
| 356/256 |
Miscellaneous |
58 |
| 356/23 |
Motion stopping (e.g., stroboscopes) |
58 |
| 356/25 |
Periodically moving light interrupting element |
5 |
| 356/26 |
Vibrating or oscillating element |
2 |
| 356/24 |
Periodically moving reflecting or refracting element |
8 |
| 356/445 |
Of light reflection (e.g., glass) |
1102 |
| 356/448 |
By comparison |
241 |
| 356/446 |
With diffusion |
585 |
| 356/447 |
With modulation (e.g., flicker beam) |
52 |
| 356/70 |
Oil testing (e.g., contamination) |
118 |
| 356/29 |
Optical element or reticle responds to relative velocity of remote object |
17 |
| 356/906 |
Optical projection comparators, e.g., for profile (go1b 9/08) |
0 |
| 356/43 |
Optical pyrometers |
193 |
| 356/45 |
Plural color responsive |
79 |
| 356/46 |
With incandescent standard |
6 |
| 356/47 |
Automatic intensity control |
5 |
| 356/48 |
Modulating (e.g., flicker beam) |
4 |
| 356/49 |
Telescopic |
9 |
| 356/50 |
Current control |
4 |
| 356/44 |
With sample engaging rod or tube |
120 |
| 356/918 |
Photogrammetry; photographic surveying (go1c 11/00) |
2 |
| 356/921 |
Interpretation of pictures (go1c 11/04) |
1 |
| 356/919 |
Picture taking arrangements specially adapted for photogrammetry or photographic surveying, e.g., controlling overlapping of pictures (go1c 11/02) |
1 |
| 356/920 |
By scanning the object (go1c 11/02a) |
0 |
| 356/213 |
Photometers |
128 |
| 356/229 |
Comparison |
54 |
| 356/230 |
With light standard |
26 |
| 356/232 |
Standard movable |
2 |
| 356/231 |
Variable incandescent standard |
0 |
| 356/216 |
Heat absorbing (e.g., radiometers) |
27 |
| 356/236 |
Integrating spheres |
153 |
| 356/215 |
Integrating |
59 |
| 356/234 |
Light absorbing |
25 |
| 356/235 |
Absorber continuously variable (e.g., wedge) |
9 |
| 356/217 |
Modulating (e.g., flicker beam) |
6 |
| 356/218 |
Photoelectric |
215 |
| 356/226 |
Detector and indicator electrical coupling (e.g., amplifying or attenuating) |
112 |
| 356/223 |
Logarithmic |
42 |
| 356/220 |
Multiple housings |
7 |
| 356/224 |
Multisensitivity range |
27 |
| 356/222 |
Plural detectors |
163 |
| 356/221 |
Responsive to incident or back lighting |
37 |
| 356/219 |
Simultaneous sighting and reading measurement |
21 |
| 356/227 |
With particular indicator |
30 |
| 356/228 |
Movable scale (e.g., calibrating) |
8 |
| 356/225 |
With predetector light modifier (e.g., diaphragm) |
74 |
| 356/214 |
Pupillary |
7 |
| 356/233 |
With variable light aperture size |
13 |
| 356/922 |
Photometry, e.g., photographic exposure meter (go1j 11/04) |
0 |
| 356/73 |
Plural test |
807 |
| 356/614 |
Position or displacement |
761 |
| 356/624 |
Focus |
114 |
| 356/615 |
Position transverse to viewing axis |
193 |
| 356/616 |
Having scale or grid |
170 |
| 356/617 |
Coded scale |
90 |
| 356/618 |
Moire |
109 |
| 356/619 |
Quadrature detection |
72 |
| 356/621 |
Occulting a projected light beam |
115 |
| 356/622 |
Position of detected arrangement relative to projected beam |
196 |
| 356/620 |
Special mark or target on object |
212 |
| 356/623 |
Triangulation |
200 |
| 356/923 |
Radiation pyrometry (golj 5/00) |
0 |
| 356/3 |
Range or remote distance finding |
136 |
| 356/9 |
Base line instrument (i.e., base is a part of instrument) |
5 |
| 356/16 |
Image displaced by moving refracting element |
15 |
| 356/17 |
Image displaced by rotating reflecting element |
9 |
| 356/15 |
Length of base line variable |
5 |
| 356/19 |
Prism structure for determining coincidence |
6 |
| 356/11 |
Range finder combined with height finder |
9 |
| 356/12 |
Stereoscopic |
104 |
| 356/13 |
Ortho-pseudo type |
3 |
| 356/14 |
Stationary measuring marks |
5 |
| 356/10 |
With filter or light valve |
10 |
| 356/18 |
With mounting, supporting, adjusting, or folding structure |
8 |
| 356/20 |
External basis type |
5 |
| 356/21 |
Object size or distance known |
32 |
| 356/22 |
With displaced images |
7 |
| 356/6 |
Instrument condition testing or indicating |
17 |
| 356/7 |
Periscope or offset type |
3 |
| 356/3.01 |
Triangulation ranging to a point with one projected beam |
172 |
| 356/3.09 |
Requiring scanning of a source beam |
59 |
| 356/3.03 |
Using a source beam with a fixed axial direction or plane |
58 |
| 356/3.06 |
With a single photodetector having multiple elements |
86 |
| 356/3.07 |
Having electronic scanning of the photodetector |
44 |
| 356/3.04 |
With a single staring photodetector having one element |
119 |
| 356/3.05 |
Having moving receiver optics |
35 |
| 356/3.08 |
With at least one paired set of staring photodetectors |
76 |
| 356/3.02 |
Using photodetection with a fixed axial line of sight |
49 |
| 356/3.1 |
Triangulation ranging to a point with two or more projected beams |
49 |
| 356/3.11 |
Using photodetection at the source station(s) |
41 |
| 356/3.12 |
Using photodetection remote from the source station(s) |
32 |
| 356/3.13 |
Triangulation ranging with photodetection, but with no projected beam |
30 |
| 356/3.14 |
Using at least a pair of viewing axes |
117 |
| 356/3.16 |
With moving optical elements in all viewing axes |
25 |
| 356/3.15 |
With one viewing axis fixed |
47 |
| 356/4.01 |
With photodetection |
661 |
| 356/4.02 |
Of a simulation or test |
45 |
| 356/5.1 |
Of cw phase delay |
159 |
| 356/5.13 |
Having an alternating reference path |
25 |
| 356/5.11 |
Having multiple carrier or modulation frequencies |
43 |
| 356/5.12 |
Including an alternating reference path |
12 |
| 356/5.14 |
Having polarization discrimination |
17 |
| 356/5.15 |
Having specific if mixing of returns |
91 |
| 356/4.04 |
Of degree of defocus |
53 |
| 356/4.06 |
Of differential amplitude at two source or detector distances |
29 |
| 356/4.05 |
Of focal point search |
32 |
| 356/4.03 |
Of focused image size or dimensions |
77 |
| 356/5.09 |
Of frequency difference |
139 |
| 356/4.08 |
Of height relative to a light plane |
98 |
| 356/4.07 |
Of intensity proportional to distance |
108 |
| 356/4.09 |
Of light interference fringes |
62 |
| 356/4.1 |
Having different frequency sources |
45 |
| 356/5.01 |
Of pulse transit time |
499 |
| 356/5.03 |
Having one or more return pulse gates or windows |
63 |
| 356/5.04 |
Including a displayed image |
73 |
| 356/5.05 |
Having pulse transmission trigger significance |
73 |
| 356/5.06 |
Including optical pick-off of transmission start |
40 |
| 356/5.07 |
With specific counter type timing of returns |
31 |
| 356/5.08 |
Including specific counter type timing of returns |
70 |
| 356/5.02 |
Having return coincide with swept display or detector |
34 |
| 356/8 |
With view finder |
14 |
| 356/128 |
Refraction testing (e.g., refractometers) |
281 |
| 356/130 |
Differential |
30 |
| 356/131 |
With servo controlled optical member |
5 |
| 356/132 |
Reflective optical member |
5 |
| 356/135 |
Prism engaging specimen |
56 |
| 356/136 |
Internally reflecting prism |
89 |
| 356/137 |
Plural prisms |
18 |
| 356/134 |
Prism forming fluid specimen container |
23 |
| 356/133 |
Refractive rod engages specimen |
77 |
| 356/129 |
Schlieren effect |
24 |
| 356/244 |
Sample, specimen, or standard holder or support (e.g., plates or slides) |
789 |
| 356/245 |
Cotton graders |
6 |
| 356/246 |
Fluid containers (e.g., cells or cuvettes) |
1133 |
| 356/601 |
Shape or surface configuration |
567 |
| 356/609 |
By focus detection |
128 |
| 356/610 |
By projection of coded pattern |
47 |
| 356/612 |
By specular reflection |
110 |
| 356/611 |
By stereo |
51 |
| 356/613 |
Silhouette |
264 |
| 356/602 |
Triangulation |
234 |
| 356/606 |
Line of light projected |
109 |
| 356/607 |
Scan |
55 |
| 356/603 |
Projection of structured light pattern |
154 |
| 356/604 |
Pattern is series of non-intersecting lines |
104 |
| 356/605 |
Moire |
84 |
| 356/608 |
Scan |
166 |
| 356/243.1 |
Standard |
254 |
| 356/243.3 |
Flying height testers |
15 |
| 356/243.2 |
For fluid suspended particles |
42 |
| 356/243.4 |
Surface standard |
81 |
| 356/243.5 |
Color |
45 |
| 356/243.6 |
Foreign object |
10 |
| 356/243.8 |
Light intensity |
19 |
| 356/243.7 |
Texture |
5 |
| 356/600 |
Surface roughness |
287 |
| 356/242.1 |
Thread counting |
3 |
| 356/27 |
Velocity or velocity/height measuring |
51 |
| 356/28 |
With light detector (e.g., photocell) |
487 |
| 356/28.5 |
Of light interference (e.g., interferometer) |
455 |
| 356/72 |
With plural diverse test or art |
434 |
| 356/36 |
With sample preparation |
305 |
| 356/37 |
Condensation nuclei detector |
52 |
| 356/38 |
Depositing particles on optical surface |
69 |