| Class 359 | OPTICAL: SYSTEMS AND ELEMENTS |
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![[List of Pre Grant Publications for class 359 subclass 1]](../as.gif) | ![[List of Patents for class 359 subclass 1]](../ps.gif) | 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 |
| | 196.1 | DEFLECTION USING A MOVING ELEMENT |
| | 197.1 | Using a periodically moving element |
| | 198.1 |  With particular mount or driver for element |
| | 199.1 |  Oscillating driver |
| | 200.1 | Bearing or shaft for rotary driver |
| | 200.6 | Electrostatic driver |
| | 200.7 | Electromagnetic driver |
| | 200.8 | Electromechanical driver |
| | 201.1 | With multiple scanning elements (e.g., plural lenses, lens and prism, etc.) |
| | 201.2 | Reflective element (e.g., mirror, reflector, etc.) |
| | 202.1 | X-Y scanners |
| | 203.1 | Having a common axis or rotation |
| | 204.1 | Utilizing multiple light beams |
| | 204.2 | Including modulated light beam |
| | 204.3 | Including polarized light beam |
| | 204.4 | Having multiple light beams with visible wavelengths |
| | 204.5 | With diffraction grating |
| | 205.1 | Post scanning optical element |
| | 206.1 | High distortion lens (e.g., f-Theta lens) |
| | 207.1 | Anamorphic elements |
| | 207.6 | Cylindrical or toric lens |
| | 207.7 | With diffraction portion or element |
| | 207.8 | With reflecting prism |
| | 207.9 | Polarized beam |
| | 207.11 | Thermal compensation |
| | 208.1 | Concave reflector |
| | 209.1 | Transmissive type moving element |
| | 212.1 | reflective type moving element |
| | 212.2 | Rotating reflective element |
| | 213.1 | Oscillating reflective element |
| | 216.1 | Multifaceted rotating element |
| | 218.1 |  Having six, seven, or eight facets |
| | 219.1 | Having five or fewer facets |
| | 219.2 | Inclined reflective elements |
| | 217.1 | With facet plane substantially parallel to rotating axis plane |
| | 217.2 | With beam modulation |
| | 217.3 | Having vibration absorbing means |
| | 217.4 | With diffractive element |
| | 220.1 | Rotation axis traversely oriented relative to reflective element |
| | 221.1 | Having planar rotating reflector with co-planar axis of rotation |
| | 221.2 | With particular mount or drive for element |
| | 222.1 | By frustrated total internal reflection |
| | 223.1 | By moving a reflective element |
| | 224.1 | Reflective element moved by deformable support |
| | 225.1 | Pivotally or moving in circular arc |
| | 226.1 | Rotating |
| | 226.2 | Pivotal or rotational element |
| | 226.3 | Fluid filled medium |
| | 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 | Pockels 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 |
| | 483.01 | POLARIZATION WITHOUT MODULATION |
| | 484.01 | Polarization using a time invariant electric, magnetic, or electromagnetic field (e.g. electro-optical, magneto-optical) |
| | 485.01 | Polarization by reflection or refraction |
| | 485.02 | Brewster angle polarizer (reflective or transmissive) |
| | 485.03 | Multilayer polarizer |
| | 485.05 | Wire grid polarizer |
| | 485.06 | Prism |
| | 485.07 | Mirror |
| | 486.01 | Polarization (direction or magnitude) variation over surface of the medium |
| | 487.01 | Polarizarion by dichroism |
| | 487.02 | With stain or dye |
| | 487.03 | Wire grid polarizer |
| | 487.04 | Wavelength-selective beamsplitter |
| | 487.05 | Having plural elements |
| | 487.06 | Oriented particles |
| | 488.01 | Glare prevention by discriminating against polarized light |
| | 489.01 | Polarization by birefringence |
| | 489.02 | With compensation techniques |
| | 489.03 | Intrinsic birefringence or photoelastic (stress) effect |
| | 489.04 | Temperature |
| | 489.05 | Path length |
| | 489.06 | Form birefringent element |
| | 489.07 | Waveplate or retarder |
| | 489.08 | Beam deflector or splitter |
| | 489.14 | Lens |
| | 489.15 | Plural birefringent elements |
| | 489.16 | Three or more birefringent elements |
| | 489.17 | In parallel |
| | 489.18 | With lenses |
| | 489.19 | Frequency filter or interference effects |
| | 489.2 | Mounting structure |
| | 490.01 | By relatively adjustable superimposed or in series polarizers |
| | 491.01 | With color filter |
| | 492.01 | Polarization by optical activity |
| | 493.01 | Polarization by scattering |
| | 494.01 | Depolarization |
| | 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 observers 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 |
| | 904 | MICRO MIRROR |
| FOREIGN ART COLLECTIONS | ||
| FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
| Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived. | ||
| FOR100 | DEFLECTING USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) (359/196) |
| FOR101 | Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) (359/197) |
| FOR102 | Particular mount or driver for element (359/198) |
| FOR105 | Plural moving scanning elements (359/201) |
| FOR108 | Utilizing plural light beams (359/204) |
| FOR109 | Having particular focusing element to receive scanned light (359/205) |
| FOR110 | High distortion lens (e.g., fQ lens, etc.) (359/206) |
| FOR111 | Anamorphic element (359/207) |
| FOR112 | Concave reflector (359/208) |
| FOR113 | Including transmissive type moving element (359/209) |
| FOR116 | Including reflective type moving element (359/212) |
| FOR117 | Having oscillating element (359/213) |
| FOR120 | Having multifaceted rotating element (359/216) |
| FOR124 | Having planar rotating reflector with transverse rotation axis (359/220) |
| FOR125 | Having planar rotating reflector with rotation axis in its plane (359/221) |
| FOR126 | By frustrated total internal reflection (359/222) |
| FOR127 | By moving a reflective element (359/223) |
| FOR131 | POLARIZATION WITHOUT MODULATION (359/483) |
| FOR132 | Time invariant electric, magnetic, or electromagnetic field responsive (e.g., electro-optical, magneto-optical) (359/484) |
| FOR133 | Light polarization without any external input (359/485) |
| FOR134 | By grid or dipoles (359/486) |
| FOR135 | By reflection or refraction (e.g., Brewster angle) (359/487) |
| FOR137 | Polarization (direction or magnitude) varies over surface of the medium (e.g., vectograph) (359/489) |
| FOR138 | By dichroic medium (359/490) |
| FOR141 | Glare prevention by discriminating against polarized light (359/493) |
| FOR142 | By birefringent element (359/494) |
| FOR143 | For beam deflection or splitting (359/495) |
| FOR144 | Prisms (359/496) |
| FOR145 | Using plural elements (359/497) |
| FOR146 | Frequency filter or interference effects (359/498) |
| FOR147 | Using compensation techniques (359/499) |
| FOR148 | With particular material or mounting structure (359/500) |
| FOR149 | By relatively adjustable superimposed or in series polarizers (359/501) |
| FOR150 | With color filter (359/502) |