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Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
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Class 359 | OPTICAL: SYSTEMS AND ELEMENTS |
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1 | HOLOGRAPHIC SYSTEM OR ELEMENT |
2 | Authentication |
3 | Having particular recording medium |
9 | For synthetically generating a hologram |
10 | Using modulated or plural reference beams |
12 | Copying by holographic means |
13 | Head up display |
15 | Using a hologram as an optical element |
21 | Having defined page composer |
22 | For producing or reconstructing images from multiple holograms (e.g., color, etc.) |
27 | Having particular laser source |
28 | Having multiple object beam or diffuse object illumination |
29 | Fourier transform holography |
30 | Having optical element between object and recording medium |
32 | For reconstructing image |
34 | With optical waveguide |
35 | Hardware for producing a hologram |
107 | OPTICAL COMPUTING WITHOUT DIFFRACTION |
196 | DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) |
197 | Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) |
198 | Particular mount or driver for element |
201 | Plural moving scanning elements |
204 | Utilizing plural light beams |
205 | Having particular focusing element to receive scanned light |
209 | Including transmissive type moving element |
212 | Including reflective type moving element |
222 | By frustrated total internal reflection |
223 | By moving a reflective element |
227 | LIGHT CONTROL BY OPAQUE ELEMENT OR MEDIUM MOVABLE IN OR THROUGH LIGHT PATH |
228 | Fluid |
229 | With glare or flicker elimination |
230 | Electro-mechanical |
232 | Slit type |
233 | With relative motion of two apertured elements |
234 | With rotating or pivoting element (e.g., scanning discs) |
237 | OPTICAL MODULATOR |
238 | Light wave temporal modulation (e.g., frequency, amplitude, etc.) |
239 | Modulator output feedback to modulator |
240 | Changing bulk optical parameter |
241 | By actinic radiation (e.g., photochromic) |
245 | Electro-optic |
246 | Modulation of polarized light via modulating input signal |
247 | Using reflective or cavity structure |
249 | Compensation technique |
250 | Using plural mediums |
251 | With particular direction of the field in relation to the medium, beam direction or polarization |
252 | With particular medium or state of the medium |
254 | With particular electrode structure or arrangement, or medium mounting structure or arrangement |
255 | With particular field |
256 | With birefringent element |
257 | Pockel`s cell |
258 | Kerr cell |
259 | Plural modulation cells |
260 | Etalon structure |
261 | Multiple reflections within cell |
262 | Excitation by electron beam |
263 | By reflection |
264 | Pulse modulation |
265 | Electrochromic |
266 | Particular nonplanar electrode arrangement |
267 | Reflection-type (e.g., display device) |
268 | Complementary device |
269 | Particular counter electrode |
270 | Particular electrolyte layer |
271 | Particular planar electrode pattern |
272 | Liquid cell |
273 | Particular electrochromic layer structure |
274 | Diverse layer |
275 | Transmission-type (e.g., windows) |
276 | Amplitude modulation |
278 | Frequency modulation |
279 | Phase modulation |
280 | Magneto-optic |
281 | Modulation of polarized light via modulating input signal |
282 | Using layered structure or plural mediums |
283 | With particular direction of the field in relation to the medium, beam direction or polarization |
284 | Amplitude modulation |
285 | Acousto-optic |
288 | Thermo-optic |
290 | By changing physical characteristics (e.g., shape, size or contours) of an optical element |
298 | Light wave directional modulation (e.g., deflection or scanning is representative of the modulating signal) |
299 | Opto-optical device |
300 | Phase conjugate |
301 | Acting on polarized light |
302 | Using reflecting or cavity structure |
303 | Using more than one polarization (e.g., digital) |
304 | Using single polarization |
305 | Acousto-optic |
306 | Correlation or convolution |
307 | Utilizing optical feedback |
308 | Filter |
309 | Acting on polychromatic light |
310 | Plural cell array |
311 | Plural transducers on single cell |
312 | Single transducer generating composite plural frequency acoustic wave |
313 | Particular cell shape |
314 | Particular cell orientation |
315 | Electro-optic |
321 | Having particular chemical composition or structure |
325 | OPTICAL DEMODULATOR |
326 | OPTICAL FREQUENCY CONVERTER |
327 | Raman type |
328 | Harmonic generator |
330 | Parametric oscillator |
331 | Optical laser acoustic delay line type |
332 | Dielectric optical waveguide type |
333 | OPTICAL AMPLIFIER |
334 | Raman or Brillouin process |
335 | Free electron |
336 | Bistable |
337 | Correction of deleterious effects |
337.1 | Spectral gain flattening or equalization |
337.2 | Filtering (e.g., noise) |
337.3 | Additional dopant or host composition |
337.4 | Complementary, adjusting stages |
337.5 | Dispersion compensation |
340 | Mode locked |
341.1 | Optical fiber |
341.2 | Bi-directional |
341.3 | Pumping |
341.4 | Feedback |
341.41 | Automatic Gain Control (AGC) |
341.42 | Automatic Level Control (ALC) |
341.43 | Surge protection |
341.44 | Fault detection |
341.5 | Composition (e.g., Tm, Tb, Eu, Ho, Dy, Nd) |
342 | Particular active medium (e.g., crystal, plasma, fluid, etc.) |
345 | Particular pumping type (e.g., electrical, optical, nuclear, magnetic, etc.) |
346 | Particular resonator cavity (e.g., scanning, confocal or folded mirrors, etc.) |
347 | Multiple pass |
349 | Beam combination or separation |
350 | HAVING SIGNIFICANT INFRARED OR ULTRAVIOLET PROPERTY |
351 | Having folded optical path |
352 | Having polarizing element |
353 | Including alternative optical path or optical element (e.g., day-night, hi-low magnification) |
354 | Including continuously variable magnification or focal length (zoom lens, adjustable lens) |
355 | Lens, lens system or component |
358 | Fluid filter or fluid mirror |
359 | Multilayer filter or multilayer reflector |
361 | Having ultraviolet absorbing or shielding property |
362 | COMPOUND LENS SYSTEM |
363 | With image recorder |
364 | With curved reflective imaging element |
367 | Right angle inspector |
368 | Microscope |
369 | With viewed screen |
370 | Interference |
372 | With plural optical axes |
379 | Spacing of optical elements axially adjustable |
381 | Imaging elements movable in and out of optical axis |
382 | Entire microscope adjustable along optical axis |
384 | With rotatable adjustment |
385 | Illuminator |
386 | Using polarized light |
387 | With annular lighting structure |
388 | With optical switching means |
389 | With illumination and viewing paths coaxial at the image field |
390 | With illuminator support |
391 | Stage or slide carrier |
392 | Adjustable along optical axis |
393 | With plural transverse movements |
394 | With turntable |
395 | With temperature control |
396 | Transparent slide |
399 | Telescope |
400 | With viewed screen |
401 | With image anti-rotation |
402 | Periscope |
407 | Binocular |
408 | Foldable or collapsible |
409 | Body supported or with handle |
412 | With adjustable interocular distance |
413 | Oculars swing about central axis |
415 | Oculars rotate about separate axes |
417 | Spacing of optical elements axially adjustable |
418 | Spacing of optical elements axially adjustable |
419 | With plural optical axes |
421 | Selectable magnification |
422 | Variable magnification |
423 | With relay |
425 | Focusing or relatively sliding barrels |
428 | With reticle |
429 | With line of sight adjustment |
431 | With prism or U-shaped optical path |
432 | Variable magnification |
433 | With tilted lens or tilted image plane |
434 | With relay |
436 | SCALE OR INDICIA READING |
443 | PROJECTION SCREEN |
444 | With sound producer |
445 | Acoustical |
446 | Moving during projection |
447 | Tracing (e.g., camera lucida, etc.) |
448 | With lens (e.g., camera obscura, etc.) |
449 | With reflector or additional screen |
450 | Border, mask, shade, or curtain |
451 | Curved |
452 | Embedded particles |
454 | Unitary sheet comprising plural refracting areas |
459 | Unitary sheet comprising plural reflecting areas |
460 | Rear projection screen |
461 | Roll up screen |
462 | STEREOSCOPIC |
463 | Having record with lenticular surface |
464 | With right and left channel discriminator (e.g., polarized or colored light) |
466 | Stereo-viewers |
467 | View changers |
470 | Compensates for camera position (e.g., plotting or mapping type) |
471 | Reflected line of sight |
473 | Ocular spacing or angle between ocular axes adjustable |
474 | Collapsible |
475 | Having illumination |
476 | Ocular to picture distance adjustable |
477 | Supporting, mounting, enclosing or light shielding structure |
478 | RELIEF ILLUSION |
480 | BINOCULAR DEVICES |
483 | POLARIZATION WITHOUT MODULATION |
484 | Time invariant electric, magnetic, or electromagnetic field responsive (e.g., electro-optical, magneto-optical) |
485 | Light polarization without any external input |
486 | By grid or dipoles |
487 | By reflection or refraction (e.g., Brewster angle) |
489 | Polarization (direction or magnitude) varies over surface of the medium (e.g., vectograph) |
490 | By dichroic medium |
493 | Glare prevention by discriminating against polarized light |
494 | By birefringent element |
495 | For beam deflection or splitting |
496 | Prisms |
497 | Using plural elements |
500 | With particular material or mounting structure |
501 | By relatively adjustable superimposed or in series polarizers |
502 | With color filter |
503 | EXTENDED SPACING STRUCTURE FOR OPTICAL ELEMENTS |
504 | Wide angle (e.g., door peep) |
505 | With screen or reticle in real image plane |
506 | Extension of tubular element adjustable |
507 | PROTECTION FROM MOISTURE OR FOREIGN PARTICLE |
508 | Optical element rotates |
509 | Fluid directed across optical element |
510 | Microscope drape |
511 | Cap or cover |
512 | Humidity or temperature control |
513 | Sealing |
515 | SIGNAL REFLECTOR |
516 | Body carried |
520 | Moving |
527 | For a signal source remote from observer |
528 | Light transmitting from source behind a reflector |
529 | 3-Corner retroreflective (i.e., cube corner, trihedral, or triple reflector type) |
534 | Including a curved refracting surface |
535 | Within individual indentations |
536 | Minute transparent spheres |
537 | Directional reflection (e.g., prevent viewing unless critical angle of light is used) |
538 | On flexible substrate (e.g., flexible sheeting, bumper sticker, etc.) |
539 | Mixture in liquid binder (e.g., paint, resin) |
540 | Placed on top of binder (e.g., resin, asphalt, glue, etc.) |
542 | Plural refracting elements formed as a unitary mass |
543 | With individual reflector element mount |
546 | Discrete reflecting elements formed as a unitary mass |
549 | Rigidly mounted on vehicle |
551 | Mounted on roadway |
552 | Mounted adjacent roadway |
553 | Emergency or temporary reflectors (i.e., portable self standing) |
554 | IMAGE STABILIZATION |
558 | DIFFRACTION |
559 | Using Fourier transform spatial filtering |
560 | For convolution (cross-correlation) |
561 | For correlation |
562 | For changing zeroth order intensity |
563 | With diffraction grating |
564 | With photographic media |
565 | From zone plate |
566 | From grating |
577 | LIGHT INTERFERENCE |
578 | Electrically or mechanically variable (e.g., tunable, adjustable) |
580 | Produced by coating or lamina |
591 | BUILDING INTERIOR ILLUMINATION WITH REFLECTED, REFRACTED OR PREDETERMINED ANGLE OF ENTRANCE OF OUTSIDE LIGHT |
592 | Unitary light transmitting member comprising plural reflecting or refracting elements |
596 | Slats or strips |
597 | With reflection |
599 | DIFFUSING OF INCIDENT LIGHT |
600 | BARREL END EYE GUARD (E.G., SHIELD OR CUSHION, ETC.) |
601 | GLARE OR UNWANTED LIGHT REDUCTION |
602 | With mirror (e.g., mirror with glare screen, etc.) |
609 | Display window |
610 | With blind for nonviewing eye |
611 | Barrel end or lens mount shade |
613 | Directional or angular discrimination |
614 | With absorption means |
615 | LIGHT DISPERSION |
616 | KALEIDOSCOPE |
618 | SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) |
619 | By surface composed of lenticular elements |
620 | Having particular composition |
621 | Plural lenticular plates |
625 | Focusing or defocusing by noncurved surfaces (e.g., prismatic, etc.) |
626 | Particular focusing or defocusing characteristic |
627 | Reflective |
628 | Noncircular cross section |
629 | By partial reflection at beam splitting or combining surface |
630 | Superimposing visual information on observer`s field of view (e.g., head-up arrangement, etc.) |
631 | Including curved reflector |
632 | Rotatable heads-up device or combiner |
633 | With additional reflector (e.g., serial reflections, etc.) |
634 | Wavelength selective (e.g., dichroic mirror, etc.) |
635 | Drawing or plotting aid |
636 | Including full reflection and transmission of a beam at different portions of a beam divider |
637 | With path length or aberration correcting element |
638 | With partial reflection at a surface of a prism |
639 | By refraction at beam splitting or combining surface |
641 | COLLIMATING OF LIGHT BEAM |
642 | LENS |
643 | Eyepiece |
644 | Having four components |
645 | Having three components |
646 | Having two components |
647 | Having one component |
648 | With field curvature shaping |
652 | With graded refractive index |
656 | Microscope objective |
657 | Having seven components |
658 | Having six components |
659 | Having five components |
660 | Having four components |
661 | Having less than four components |
662 | High distortion lens (e.g., f0, etc.) |
663 | Telecentric system |
664 | Spherical |
665 | Fluid |
668 | Anamorphic |
669 | With prism anamorphoser |
670 | Variable magnification anamorphoser |
671 | Having four or more components |
672 | Selective magnification by exchanging or adding a lens component |
676 | With variable magnification (e.g., zoom type) |
677 | Optically compensated |
678 | Prism lens type |
679 | With fixed conjugates |
680 | Reverse telephoto |
683 | With mechanical compensation |
684 | Other than first group moves for focusing (internal focus type) |
685 | Nonlinear variator/compensator movements |
686 | Four groups |
689 | Three groups |
691 | Two groups |
693 | With macro-type focusing |
694 | Adjusting mechanism |
707 | Diffusing |
708 | Including a nonspherical surface |
709 | Conical |
710 | Cylindrical |
711 | Toroidal |
712 | Paraboloidal |
713 | Having six components |
714 | Having five components |
715 | Having four components |
716 | Having three components |
717 | Having two components |
718 | Having one component |
720 | Asymmetric (e.g., prismatic or eccentric, etc.) |
721 | Plural focal length |
722 | Selective wavelength transmitting or blocking |
724 | Annular zonal correcting |
725 | Panoramic |
726 | With reflecting element |
727 | Including concave or convex reflecting surface |
732 | For producing a double pass |
733 | Multiple component lenses |
737 | With diverse refracting element |
738 | With light limiting or controlling means |
741 | With multipart element |
744 | Afocal (e.g., Galilean telescopes, etc.) |
745 | Telephoto |
749 | Reverse telephoto |
750 | With eight components |
751 | With seven components |
752 | With six components |
753 | With five or less components |
754 | Multiple component lenses |
755 | Seven components |
756 | Six components |
763 | Five components |
764 | First component positive |
770 | First component negative |
771 | Four components |
772 | First component positive |
773 | + - + - Arrangement |
774 | + - + + Arrangement |
775 | + - - + Arrangement |
779 | + + - + Arrangement |
780 | + + + - Arrangement |
781 | First component negative |
784 | Three components |
785 | + - + Arrangement |
786 | With multiple element first component |
787 | With multiple element second component |
788 | With multiple element third component |
789 | With first component biconvex |
790 | With third component biconvex |
791 | + + - Arrangement |
792 | + + + Arrangement |
793 | Two components |
796 | Single component with multiple elements |
798 | With viewed object or viewed field illumination |
799 | Illuminating beam coaxial with lens axis |
800 | Illumination through lens |
801 | With viewed object support |
802 | Magnifier |
804 | With viewed object support |
805 | On lens supporting handle |
806 | Relatively movable informatory sheet and lens (e.g., reading machine, etc.) |
807 | Flat opaque document or picture |
808 | With lens casing |
809 | Combined with diverse art tool, instrument or machine |
811 | With support |
812 | With additional handle |
813 | Lens movable in its plane |
815 | Body or apparel attached or carried |
817 | Foldable or collapsible |
818 | With clamp or grip |
819 | Lens mounts |
831 | PRISM (INCLUDING MOUNT) |
838 | MIRROR |
839 | With a transmitting property |
840 | Back to back |
841 | Retractable vehicle mirror |
842 | Mounted on vehicle having handlebars (e.g., bicycle, motorcycle, etc.) |
843 | Automatically adjustable in response to vehicle position, control, or indicator |
844 | On adjustable diverse vehicle portion or accessory |
845 | Fluid cooled mirror |
846 | Including specified control or retention of the shape of a mirror surface |
847 | Membrane mirror in mechanical contact only at its edge |
848 | With structure to minimize internal mirror stress |
849 | Including a plurality of adjustable mirror supports |
850 | Plural mirrors or reflecting surfaces |
851 | Composite or echelon mirrors or light concentrating array |
852 | With a line focus |
853 | Light concentrating (e.g., heliostat, etc.), concave, or paraboloidal structure |
854 | Identical side mirrors adjustable with respect to a central mirror |
855 | Identical adjacent mirrors identically supported |
857 | With successive reflections |
858 | Including curved mirror surfaces in series |
860 | To view observer |
861 | With three or more successive reflections |
862 | Including an adjustable mirror |
864 | Including adjacent plane and curved mirrors |
865 | Relatively adjustable |
866 | Wide angle segmented mirrors |
867 | Concave cylindrical or providing a line focus |
868 | With mirror surface of varied radius |
870 | Fracture resistant (e.g., shatterproof, etc.) |
871 | With support |
872 | Mirror movable relative to support |
873 | With rotary to linear motion converting mirror adjustment |
875 | With a rigid handle extending to or near a mirror pivot |
876 | With rotation of mirror about perpendicular axes |
877 | With switch or motor controlling mirror movement |
879 | Body or apparel mirror support |
881 | With mirror supporting column or sliding adjustment |
882 | With handle |
883 | Laminated or layered mirror support |
884 | With selective absorption or transparent overcoating |
885 | ABSORPTION FILTER |
886 | Fluid |
887 | Sequentially additive |
888 | Neutral or graded density |
889 | Movable in or out of optical path |
890 | Superimposed or series |
891 | Filters in optical parallel (e.g., colors side-by-side, etc.) |
892 | With support or frame |
893 | SCREEN (E.G., HALFTONE SCREEN, ETC.) |
894 | OPTICAL APERTURE OR TUBE, OR TRANSPARENT CLOSURE |
896 | MISCELLANEOUS |
CROSS-REFERENCE ART COLLECTIONS | ||
900 | METHODS |
901 | ACOUSTIC HOLOGRAPHY |
902 | HOLOGRAPHIC INTERFEROMETER |
903 | WITH MAGNET |
FOREIGN ART COLLECTIONS | ||
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
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