Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Optical & Optics
Class Information
Number: 359
Name: Optical: systems and elements >
Description: GENERAL STATEMENT OF THE CLASS SUBJECT MATTER










Class Number Class Name No. of Patents
359/885

Absorption filter

593
359/891

Filters in optical parallel (e.g., colors side-by-side, etc.)

286
359/886

Fluid

114
359/889

Movable in or out of optical path

219
359/888

Neutral or graded density

169
359/887

Sequentially additive

31
359/890

Superimposed or series

136
359/892

With support or frame

225
359/901

Acoustic holography

22
359/600

Barrel end eye guard (e.g., shield or cushion, etc.)

69
359/480

Binocular devices

105
359/481

Binocular loupe type

33
359/482

Reflected line of sight

45
359/591

Building interior illumination with reflected, refracted or predetermined angle of entrance of outside light

114
359/596

Slats or strips

63
359/592

Unitary light transmitting member comprising plural reflecting or refracting elements

75
359/594

Elements on two sides of member

19
359/593

Plural members in series

27
359/595

With internal reflections

42
359/597

With reflection

77
359/598

Internal reflection in single optical element

36
359/641

Collimating of light beam

388
359/362

Compound lens system

183
359/368

Microscope

1252
359/382

Entire microscope adjustable along optical axis

79
359/383

Focus adjustment

196
359/385

Illuminator

824
359/386

Using polarized light

120
359/387

With annular lighting structure

132
359/389

With illumination and viewing paths coaxial at the image field

258
359/390

With illuminator support

141
359/388

With optical switching means

264
359/381

Imaging elements movable in and out of optical axis

275
359/370

Interference

106
359/371

Using polarized light

98
359/379

Spacing of optical elements axially adjustable

124
359/380

Variable magnification

185
359/391

Stage or slide carrier

256
359/392

Adjustable along optical axis

141
359/393

With plural transverse movements

205
359/395

With temperature control

46
359/394

With turntable

35
359/396

Transparent slide

96
359/397

Reference lines or grids

39
359/398

Specimen cavity or chamber

161
359/372

With plural optical axes

132
359/374

Plural oculars

26
359/375

Binocular

70
359/376

Stereoscopic

156
359/377

With single or parallel objectives

141
359/378

For viewing stereo pairs

37
359/373

Side-by-side fields

26
359/384

With rotatable adjustment

202
359/369

With viewed screen

100
359/367

Right angle inspector

42
359/399

Telescope

384
359/407

Binocular

277
359/409

Body supported or with handle

115
359/411

With adjustable interocular distance

46
359/410

With focusing means

61
359/408

Foldable or collapsible

58
359/418

Spacing of optical elements axially adjustable

59
359/412

With adjustable interocular distance

60
359/415

Oculars rotate about separate axes

15
359/416

Spacing of optical elements axially adjustable

25
359/413

Oculars swing about central axis

27
359/414

Spacing of optical elements axially adjustable

42
359/417

Spacing of optical elements axially adjustable

21
359/425

Focusing or relatively sliding barrels

73
359/426

Internal focusing

31
359/427

With reticle

12
359/402

Periscope

76
359/405

With mechanical adjustment

44
359/406

Extensible structure

27
359/403

With plural optical axes

48
359/404

Binocular

18
359/421

Selectable magnification

53
359/422

Variable magnification

126
359/401

With image anti-rotation

27
359/429

With line of sight adjustment

87
359/430

Equatorial mount

74
359/419

With plural optical axes

71
359/420

Plural magnification in same viewing field

20
359/431

With prism or u-shaped optical path

172
359/423

With relay

32
359/424

With reticle

36
359/428

With reticle

89
359/400

With viewed screen

69
359/432

Variable magnification

183
359/364

With curved reflective imaging element

208
359/365

Two or more in a series

217
359/366

Concave, convex combination

249
359/363

With image recorder

230
359/434

With relay

179
359/435

Repetitious lens structure

113
359/433

With tilted lens or tilted image plane

56
359/196

Deflection using a moving element or medium (offsetting or changing at least a portion of the beam)

486
359/222

By frustrated total internal reflection

52
359/223

By moving a reflective element

680
359/225

Pivoting or moving in circular arc

229
359/224

Reflective element moved by deformable support

854
359/226

Rotating

205
359/197

Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element)

142
359/205

Having particular focusing element to receive scanned light

558
359/207

Anamorphic element

263
359/208

Concave reflector

169
359/206

High distortion lens (e.g., fo lens, etc.)

318
359/212

Including reflective type moving element

656
359/216

Having multifaceted rotating element

879
359/217

With facets parallel to rotation axis

306
359/219

Having five or fewer facets

54
359/218

Having six, seven, or eight facets

220
359/213

Having oscillating element

199
359/214

Single plane mirror element

294
359/215

With imaging lens

87
359/221

Having planar rotating reflector with rotation axis in its plane

226
359/220

Having planar rotating reflector with transverse rotation axis

116
359/209

Including transmissive type moving element

164
359/210

Having moving lens

203
359/211

Having moving prism

209
359/198

Particular mount or driver for element

429
359/200

Bearing or shaft for rotary driver

123
359/199

Particular oscillating driver

208
359/201

Plural moving scanning elements

360
359/203

Having a common axis of rotation

84
359/202

X-y scanner

206
359/204

Utilizing plural light beams

541
359/558

Diffraction

338
359/566

From grating

806
359/568

For diffractive subtractive filtering

79
359/567

For ornamental effect or display

120
359/569

Including particular grating characteristic

885
359/571

Echelette or blazed grating

303
359/576

Laminated or layered

292
359/570

Nonplanar grating substrate (e.g., concave)

174
359/572

Reflection grating (e.g., retrodirective)

399
359/573

Variable grating

248
359/574

With curved or geometrically shaped corrugation

132
359/575

With nonuniform corrugation width, spacing, or depth

201
359/565

From zone plate

367
359/559

Using fourier transform spatial filtering

295
359/562

For changing zeroth order intensity

57
359/560

For convolution (cross-correlation)

39
359/561

For correlation

199
359/563

With diffraction grating

109
359/564

With photographic media

28
359/599

Diffusing of incident light

694
359/503

Extended spacing structure for optical elements

91
359/506

Extension of tubular element adjustable

19
359/504

Wide angle (e.g., door peep)

36
359/505

With screen or reticle in real image plane

13
359/601

Glare or unwanted light reduction

639
359/611

Barrel end or lens mount shade

90
359/612

Collapsible or foldable

60
359/613

Directional or angular discrimination

211
359/609

Display window

151
359/614

With absorption means

256
359/610

With blind for nonviewing eye

23
359/602

With mirror (e.g., mirror with glare screen, etc.)

89
359/603

Anti-glare mirror

169
359/604

Adjustable

224
359/605

Plural reflecting surfaces

46
359/606

Prismoidal

61
359/607

Reversible

20
359/608

Translucent or other semitransmitting panel selectively positioned in front of mirror

100
359/350

Having significant infrared or ultraviolet property

594
359/358

Fluid filter or fluid mirror

62
359/351

Having folded optical path

96
359/352

Having polarizing element

134
359/361

Having ultraviolet absorbing or shielding property

296
359/353

Including alternative optical path or optical element (e.g., day-night, hi-low magnification)

102
359/354

Including continuously variable magnification or focal length (zoom lens, adjustable lens)

70
359/355

Lens, lens system or component

252
359/356

Infrared lens

218
359/357

Having four or more components

99
359/359

Multilayer filter or multilayer reflector

755
359/360

Having metal layer

330
359/902

Holographic interferometer

16
359/1

Holographic system or element

457
359/2

Authentication

354
359/12

Copying by holographic means

163
359/22

For producing or reconstructing images from multiple holograms (e.g., color, etc.)

500
359/25

Discrete hologram only

166
359/26

Sequential frames on moving film

49
359/23

Holographic stereogram

188
359/24

Superimposed holograms only

270
359/32

For reconstructing image

327
359/33

Real image

79
359/9

For synthetically generating a hologram

354
359/29

Fourier transform holography

257
359/35

Hardware for producing a hologram

341
359/21

Having defined page composer

94
359/28

Having multiple object beam or diffuse object illumination

141
359/30

Having optical element between object and recording medium

250
359/31

Focused image holography

39
359/27

Having particular laser source

101
359/3

Having particular recording medium

592
359/8

Having nonplanar recording medium surface

47
359/4

Recyclable

63
359/7

Crystalline material

163
359/5

Magnetic material

10
359/6

Sandwich having photoconductor

34
359/13

Head up display

305
359/14

Holograph on curved substrate

60
359/15

Using a hologram as an optical element

1097
359/19

Lens

269
359/20

Multiple point hologram (e.g., fly-eye lens, etc.)

80
359/17

Scanner

166
359/18

Flat rotating disk

147
359/16

With aberration correction

125
359/10

Using modulated or plural reference beams

273
359/11

Spatial, phase or amplitude modulation

258
359/34

With optical waveguide

217
359/554

Image stabilization

348
359/555

By movable reflective structure

73
359/556

Having plural reflecting surfaces

61
359/557

By movable refractive structure

517
359/616

Kaleidoscope

77
359/617

Including particles loosely housed for agitation

43
359/642

Lens

673
359/744

Afocal (e.g., galilean telescopes, etc.)

127
359/668

Anamorphic

156
359/671

Having four or more components

34
359/670

Variable magnification anamorphoser

41
359/669

With prism anamorphoser

81
359/724

Annular zonal correcting

57
359/720

Asymmetric (e.g., prismatic or eccentric, etc.)

107
359/809

Combined with diverse art tool, instrument or machine

149
359/810

Operation viewed through lens

37
359/707

Diffusing

156
359/643

Eyepiece

131
359/644

Having four components

74
359/647

Having one component

19
359/645

Having three components

91
359/646

Having two components

100
359/665

Fluid

448
359/667

With gas

69
359/666

With variable magnification

349
359/662

High distortion lens (e.g., f0, etc.)

149
359/708

Including a nonspherical surface

666
359/709

Conical

92
359/710

Cylindrical

210
359/714

Having five components

251
359/715

Having four components

372
359/718

Having one component

211
359/719

Objective for laser (e.g., optical disc, etc.)

341
359/713

Having six components

132
359/716

Having three components

358
359/717

Having two components

296
359/712

Paraboloidal

42
359/711

Toroidal

76
359/656

Microscope objective

215
359/659

Having five components

70
359/660

Having four components

85
359/661

Having less than four components

168
359/657

Having seven components

35
359/658

Having six components

65
359/754

Multiple component lenses

300
359/763

Five components

112
359/770

First component negative

144
359/764

First component positive

148
359/766

+ - + - + arrangement

63
359/765

+ - - + + arrangement

30
359/767

First two components positive

14
359/769

+ + - + + arrangement

9
359/768

+ + - - + arrangement

29
359/771

Four components

143
359/781

First component negative

139
359/783

- + + + arrangement

47
359/782

- + + - arrangement

42
359/772

First component positive

126
359/780

+ + + - arrangement

23
359/779

+ + - + arrangement

39
359/774

+ - + + arrangement

147
359/773

+ - + - arrangement

179
359/775

+ - - + arrangement

59
359/776

With multiple element component

24
359/778

Having a biconvex single element component

20
359/777

Infinite radius

4
359/755

Seven components

90
359/756

Six components

76
359/761

First component negative

80
359/762

First two components negative

28
359/757

First component positive

66
359/758

+ - + + - + arrangement

24
359/759

First two components positive

29
359/760

+ + - - + + arrangement

34
359/784

Three components

349
359/792

+ + + arrangement

42
359/791

+ + - arrangement

108
359/785

+ - + arrangement

192
359/789

With first component biconvex

19
359/786

With multiple element first component

35
359/787

With multiple element second component

24
359/788

With multiple element third component

36
359/790

With third component biconvex

32
359/793

Two components

329
359/794

+ + arrangement

159
359/795

+ - arrangement

119
359/725

Panoramic

145
359/721

Plural focal length

149
359/749

Reverse telephoto

182
359/750

With eight components

62
359/753

With five or less components

258
359/751

With seven components

60
359/752

With six components

58
359/672

Selective magnification by exchanging or adding a lens component

105
359/673

To the front of a basic lens

64
359/674

To the middle of a basic lens

46
359/675

To the rear of a basic lens

79
359/722

Selective wavelength transmitting or blocking

148
359/723

With separate filter

82
359/796

Single component with multiple elements

184
359/797

Three or more elements

67
359/664

Spherical

111
359/663

Telecentric system

165
359/745

Telephoto

108
359/746

With five components

40
359/747

With four components

36
359/748

With less than four components

51
359/737

With diverse refracting element

160
359/648

With field curvature shaping

73
359/649

Projection type

575
359/650

Having four components

114
359/651

Having less than four components

168
359/652

With graded refractive index

274
359/654

Having a radial gradient

212
359/655

In a variable media (e.g., gas, elastomer, etc.)

10
359/653

Having an axial gradient

87
359/808

With lens casing

128
359/738

With light limiting or controlling means

347
359/739

Diaphragm

285
359/740

Between lens components

580
359/741

With multipart element

176
359/742

Echelon (e.g., fresnel lens, etc.)

480
359/743

Having curvilinear lens

143
359/726

With reflecting element

573
359/732

For producing a double pass

107
359/727

Including concave or convex reflecting surface

345
359/730

Reflectors in series

133
359/731

With concave and convex reflectors in series

154
359/728

With aspheric surface (e.g., schmidt lens, etc.)

166
359/729

With concave and convex reflectors in series

107
359/733

Multiple component lenses

64
359/734

Four components

9
359/735

Three components

18
359/736

Two components

35
359/811

With support

881
359/815

Body or apparel attached or carried

105
359/816

Monocular loupe type

14
359/817

Foldable or collapsible

97
359/819

Lens mounts

1665
359/822

Adjustable

817
359/823

With axial adjustment (e.g., adjustable focus, etc.)

1107
359/824

Electromagnetic or piezoelectric drive

907
359/825

Focusing ring

133
359/826

Sliding barrels

208
359/827

Detachably attached (e.g., plate, barrel, etc.)

238
359/828

Bayonet coupling

65
359/821

Plural lenses in common carrier selectively operable (e.g., turret type, etc.)

211
359/830

With ring

112
359/820

With temperature compensation or control

379
359/829

With threads

117
359/813

Lens movable in its plane

582
359/814

Electromagnetic motive power

414
359/812

With additional handle

23
359/818

With clamp or grip

119
359/676

With variable magnification (e.g., zoom type)

896
359/694

Adjusting mechanism

696
359/699

Having cam device

382
359/700

Cam groove type

421
359/701

Cam ring type or zoom ring type

268
359/696

Motor driven

403
359/697

Condition responsive

139
359/698

Auto focusing

226
359/695

Three or more movable lens groups

114
359/702

With adjustment lock

72
359/705

With macro type focusing

75
359/706

With specific ring means

45
359/703

With specified mount

129
359/704

Having detail of barrel

333
359/677

Optically compensated

52
359/678

Prism lens type

68
359/680

Reverse telephoto

425
359/681

Having eight or nine components

106
359/682

Having seven or less components

363
359/679

With fixed conjugates

88
359/683

With mechanical compensation

724
359/686

Four groups

685
359/687

+ - + + arrangement

724
359/688

+ - - + arrangement

160
359/685

Nonlinear variator/compensator movements

256
359/684

Other than first group moves for focusing (internal focus type)

641
359/689

Three groups

809
359/690

+ - + arrangement

247
359/691

Two groups

400
359/692

+ - arrangement

223
359/693

With macro-type focusing

93
359/798

With viewed object or viewed field illumination

77
359/799

Illuminating beam coaxial with lens axis

47
359/800

Illumination through lens

87
359/802

Magnifier

178
359/803

Hand held

72
359/801

With viewed object support

43
359/804

With viewed object support

77
359/807

Flat opaque document or picture

12
359/805

On lens supporting handle

17
359/806

Relatively movable informatory sheet and lens (e.g., reading machine, etc.)

50
359/227

Light control by opaque element or medium movable in or through light path

210
359/230

Electro-mechanical

284
359/231

String or ribbon type

50
359/228

Fluid

151
359/232

Slit type

64
359/229

With glare or flicker elimination

18
359/233

With relative motion of two apertured elements

100
359/234

With rotating or pivoting element (e.g., scanning discs)

160
359/235

Continuously rotating apertured element

91
359/236

Element rotates about axis perpendicular to light path

91
359/615

Light dispersion

194
359/577

Light interference

291
359/578

Electrically or mechanically variable (e.g., tunable, adjustable)

281
359/579

By nonmovable driving element (e.g., piezoelectric, magnetostrictive)

72
359/580

Produced by coating or lamina

513
359/583

Beam splitter or combiner

197
359/581

By transmissive coating on lens

171
359/585

Including metal or conductive layer

347
359/582

Layer having specified nonoptical property

165
359/586

Layers having specified index of refraction

582
359/588

Filter having four or more layers

337
359/587

Plural layer groups lateral in parallel light paths

145
359/584

Reflector

428
359/589

Selective wavelength transmission or reflection

833
359/590

Having another filter

128
359/900

Methods

2050
359/838

Mirror

352
359/843

Automatically adjustable in response to vehicle position, control, or indicator

159
359/840

Back to back

34
359/867

Concave cylindrical or providing a line focus

108
359/845

Fluid cooled mirror

116
359/870

Fracture resistant (e.g., shatterproof, etc.)

28
359/846

Including specified control or retention of the shape of a mirror surface

397
359/849

Including a plurality of adjustable mirror supports

225
359/847

Membrane mirror in mechanical contact only at its edge

166
359/848

With structure to minimize internal mirror stress

140
359/842

Mounted on vehicle having handlebars (e.g., bicycle, motorcycle, etc.)

47
359/844

On adjustable diverse vehicle portion or accessory

139
359/850

Plural mirrors or reflecting surfaces

485
359/851

Composite or echelon mirrors or light concentrating array

204
359/853

Light concentrating (e.g., heliostat, etc.), concave, or paraboloidal structure

320
359/852

With a line focus

105
359/855

Identical adjacent mirrors identically supported

263
359/856

With successive reflections

95
359/854

Identical side mirrors adjustable with respect to a central mirror

42
359/864

Including adjacent plane and curved mirrors

121
359/865

Relatively adjustable

184
359/866

Wide angle segmented mirrors

89
359/857

With successive reflections

376
359/862

Including an adjustable mirror

110
359/863

Including a curved mirror

51
359/858

Including curved mirror surfaces in series

283
359/859

With concave and convex mirrors in series

295
359/860

To view observer

35
359/861

With three or more successive reflections

250
359/841

Retractable vehicle mirror

449
359/839

With a transmitting property

247
359/868

With mirror surface of varied radius

168
359/869

Concave

145
359/884

With selective absorption or transparent overcoating

232
359/871

With support

713
359/883

Laminated or layered mirror support

321
359/872

Mirror movable relative to support

1138
359/879

Body or apparel mirror support

107
359/880

Having support or apparel engaging head or neck

57
359/875

With a rigid handle extending to or near a mirror pivot

105
359/881

With mirror supporting column or sliding adjustment

196
359/873

With rotary to linear motion converting mirror adjustment

171
359/874

With rotation of mirror about perpendicular axes

192
359/876

With rotation of mirror about perpendicular axes

267
359/877

With switch or motor controlling mirror movement

601
359/878

Fluid pressure actuated

27
359/882

With handle

42
359/896

Miscellaneous

270
359/333

Optical amplifier

523
359/349

Beam combination or separation

264
359/336

Bistable

18
359/337

Correction of deleterious effects

539
359/337.3

Additional dopant or host composition

28
359/337.4

Complementary, adjusting stages

168
359/337.2

Filtering (e.g., noise)

104
359/337.21

Grating

87
359/337.22

Interferometer or interference

19
359/337.1

Spectral gain flattening or equalization

250
359/337.11

Feedback

130
359/337.13

Adjusting input signal power

77
359/337.12

Using number of signals

83
359/337.5

Dispersion compensation

151
359/338

Using phase conjugation

58
359/339

Using saturable or spatial filter

32
359/335

Free electron

21
359/340

Mode locked

43
359/347

Multiple pass

98
359/348

Regenerative

49
359/341.1

Optical fiber

549
359/341.2

Bi-directional

116
359/341.5

Composition (e.g., tm, tb, eu, ho, dy, nd)

154
359/341.4

Feedback

175
359/341.41

Automatic gain control (agc)

248
359/341.42

Automatic level control (alc)

124
359/341.44

Fault detection

54
359/341.43

Surge protection

78
359/341.3

Pumping

389
359/341.31

Operating frequency

84
359/341.32

Radiation routing

143
359/341.33

With multiple systems

159
359/342

Particular active medium (e.g., crystal, plasma, fluid, etc.)

173
359/343

Glass (amorphous)

123
359/344

Semiconductor

432
359/345

Particular pumping type (e.g., electrical, optical, nuclear, magnetic, etc.)

240
359/346

Particular resonator cavity (e.g., scanning, confocal or folded mirrors, etc.)

170
359/334

Raman or brillouin process

628
359/894

Optical aperture or tube, or transparent closure

344
359/895

Submerged object viewer

22
359/107

Optical computing without diffraction

210
359/108

Logic gate

165
359/325

Optical demodulator

98
359/326

Optical frequency converter

949
359/332

Dielectric optical waveguide type

422
359/328

Harmonic generator

677
359/329

Third harmonic

74
359/331

Optical laser acoustic delay line type

29
359/330

Parametric oscillator

326
359/327

Raman type

111
359/237

Optical modulator

697
359/321

Having particular chemical composition or structure

373
359/322

Electro-optic crystal material

197
359/323

Plzt material

96
359/324

Magneto-optic crystal material

95
359/298

Light wave directional modulation (e.g., deflection or scanning is representative of the modulating signal)

714
359/305

Acousto-optic

319
359/309

Acting on polychromatic light

24
359/306

Correlation or convolution

45
359/308

Filter

120
359/314

Particular cell orientation

34
359/313

Particular cell shape

47
359/310

Plural cell array

64
359/311

Plural transducers on single cell

91
359/312

Single transducer generating composite plural frequency acoustic wave

48
359/307

Utilizing optical feedback

35
359/301

Acting on polarized light

53
359/303

Using more than one polarization (e.g., digital)

35
359/302

Using reflecting or cavity structure

43
359/304

Using single polarization

10
359/315

Electro-optic

225
359/318

By reflection

207
359/319

Focusing

64
359/317

Multiple reflections within cell

34
359/316

Plural modulation cells

125
359/320

Switching

167
359/299

Opto-optical device

100
359/300

Phase conjugate

69
359/238

Light wave temporal modulation (e.g., frequency, amplitude, etc.)

406
359/290

By changing physical characteristics (e.g., shape, size or contours) of an optical element

1642
359/296

Changing position or orientation of suspended particles

1366
359/297

Light control surface formed or destroyed

90
359/291

Shape or contour of light control surface altered

1676
359/295

Having multiple electrodes

593
359/292

Light control surface forms image on projected light beam

421
359/293

Electron beam causes surface alteration

59
359/294

Using photoconductive layer

29
359/240

Changing bulk optical parameter

183
359/285

Acousto-optic

304
359/286

Amplitude modulation

58
359/287

Frequency modulation

93
359/241

By actinic radiation (e.g., photochromic)

331
359/243

Bistable device

70
359/242

Display device

144
359/244

Opto-optical device

206
359/245

Electro-optic

1320
359/276

Amplitude modulation

240
359/277

Within display element

35
359/263

By reflection

148
359/265

Electrochromic

990
359/266

Particular nonplanar electrode arrangement

115
359/267

Reflection-type (e.g., display device)

505
359/268

Complementary device

98
359/274

Diverse layer

163
359/272

Liquid cell

217
359/269

Particular counter electrode

152
359/273

Particular electrochromic layer structure

428
359/270

Particular electrolyte layer

340
359/271

Particular planar electrode pattern

139
359/275

Transmission-type (e.g., windows)

438
359/260

Etalon structure

185
359/262

Excitation by electron beam

26
359/278

Frequency modulation

111
359/246

Modulation of polarized light via modulating input signal

319
359/249

Compensation technique

111
359/258

Kerr cell

26
359/257

Pockel`s cell

66
359/250

Using plural mediums

125
359/247

Using reflective or cavity structure

289
359/248

Semiconductor

375
359/256

With birefringent element

158
359/251

With particular direction of the field in relation to the medium, beam direction or polarization

135
359/254

With particular electrode structure or arrangement, or medium mounting structure or arrangement

461
359/255

With particular field

44
359/252

With particular medium or state of the medium

129
359/253

Liquid medium

151
359/261

Multiple reflections within cell

30
359/279

Phase modulation

368
359/259

Plural modulation cells

205
359/264

Pulse modulation

71
359/280

Magneto-optic

234
359/284

Amplitude modulation

32
359/281

Modulation of polarized light via modulating input signal

259
359/282

Using layered structure or plural mediums

179
359/283

With particular direction of the field in relation to the medium, beam direction or polarization

116
359/288

Thermo-optic

175
359/289

Amplitude modulation

46
359/239

Modulator output feedback to modulator

177
359/483

Polarization without modulation

258
359/485

Light polarization without any external input

297
359/494

By birefringent element

555
359/495

For beam deflection or splitting

665
359/496

Prisms

260
359/497

Using plural elements

593
359/498

Frequency filter or interference effects

202
359/499

Using compensation techniques

185
359/500

With particular material or mounting structure

305
359/490

By dichroic medium

167
359/492

Oriented particles

82
359/491

Stain or dye

81
359/486

By grid or dipoles

146
359/487

By reflection or refraction (e.g., brewster angle)

447
359/488

With particular medium

92
359/501

By relatively adjustable superimposed or in series polarizers

194
359/493

Glare prevention by discriminating against polarized light

79
359/489

Polarization (direction or magnitude) varies over surface of the medium (e.g., vectograph)

106
359/502

With color filter

84
359/484

Time invariant electric, magnetic, or electromagnetic field responsive (e.g., electro-optical, magneto-optical)

369
359/831

Prism (including mount)

422
359/832

Fluid filled

63
359/833

With reflecting surface

272
359/834

Plural reflecting surfaces

413
359/835

For binocular or porro-prism

42
359/836

Roof or roof-angle

72
359/837

With refracting surface

314
359/443

Projection screen

527
359/445

Acoustical

17
359/450

Border, mask, shade, or curtain

52
359/451

Curved

123
359/452

Embedded particles

182
359/453

Rear projection screen

187
359/446

Moving during projection

69
359/460

Rear projection screen

444
359/461

Roll up screen

122
359/447

Tracing (e.g., camera lucida, etc.)

7
359/459

Unitary sheet comprising plural reflecting areas

250
359/454

Unitary sheet comprising plural refracting areas

162
359/455

Lenticular

256
359/456

Rear projection screen

212
359/457

With fresnel lens

320
359/458

Stereoscopic imaging or three dimensional imaging

112
359/448

With lens (e.g., camera obscura, etc.)

39
359/449

With reflector or additional screen

247
359/444

With sound producer

23
359/507

Protection from moisture or foreign particle

307
359/511

Cap or cover

172
359/509

Fluid directed across optical element

170
359/512

Humidity or temperature control

140
359/510

Microscope drape

48
359/508

Optical element rotates

47
359/513

Sealing

131
359/514

Mirror, prism or signal reflector

71
359/478

Relief illusion

122
359/479

Reflected line of sight

55
359/436

Scale or indicia reading

44
359/440

Lens

45
359/441

Movable or adjustable

20
359/442

Along scale or indicia

21
359/439

Mirror

13
359/437

Polarizer

19
359/438

Prism

23
359/893

Screen (e.g., halftone screen, etc.)

63
359/515

Signal reflector

143
359/529

3-corner retroreflective (i.e., cube corner, trihedral, or triple reflector type)

349
359/530

Unitary plate or sheet comprising plural reflecting elements

345
359/532

Mounted adjacent roadway

43
359/531

Mounted on roadway

51
359/533

Mounted on vehicle

42
359/516

Body carried

33
359/518

Permanently fixed to clothing

41
359/517

Worn by hand or wrist

15
359/519

Worn over clothing

25
359/546

Discrete reflecting elements formed as a unitary mass

49
359/547

Mounted on or adjacent roadway

33
359/548

Mounted on vehicle

27
359/553

Emergency or temporary reflectors (i.e., portable self standing)

23
359/527

For a signal source remote from observer

31
359/534

Including a curved refracting surface

90
359/536

Minute transparent spheres

145
359/537

Directional reflection (e.g., prevent viewing unless critical angle of light is used)

27
359/539

Mixture in liquid binder (e.g., paint, resin)

52
359/538

On flexible substrate (e.g., flexible sheeting, bumper sticker, etc.)

97
359/540

Placed on top of binder (e.g., resin, asphalt, glue, etc.)

97
359/541

With single transparent coating between spheres and atmosphere

69
359/542

Plural refracting elements formed as a unitary mass

40
359/543

With individual reflector element mount

7
359/544

Including a snap, spring clip, or spring retainer

9
359/545

Including a threaded member

6
359/535

Within individual indentations

35
359/528

Light transmitting from source behind a reflector

33
359/552

Mounted adjacent roadway

29
359/551

Mounted on roadway

38
359/520

Moving

18
359/521

Pedal mounted

5
359/522

Rotating

29
359/523

Spoke mounted

45
359/524

Tire, wheel, valve stem, hub cap, or axle mounted

22
359/525

Wind driven

18
359/526

Vibration

11
359/549

Rigidly mounted on vehicle

31
359/550

Bicycle or motorcycle

32
359/618

Single channel simultaneously to or from plural channels (e.g., light dividing, combining, or plural image forming, etc.)

941
359/629

By partial reflection at beam splitting or combining surface

756
359/635

Drawing or plotting aid

21
359/636

Including full reflection and transmission of a beam at different portions of a beam divider

189
359/630

Superimposing visual information on observer`s field of view (e.g., head-up arrangement, etc.)

1235
359/631

Including curved reflector

472
359/632

Rotatable heads-up device or combiner

136
359/633

With additional reflector (e.g., serial reflections, etc.)

411
359/634

Wavelength selective (e.g., dichroic mirror, etc.)

698
359/638

With partial reflection at a surface of a prism

285
359/637

With path length or aberration correcting element

258
359/639

By refraction at beam splitting or combining surface

163
359/640

Including prismatic element

248
359/619

By surface composed of lenticular elements

1264
359/625

Focusing or defocusing by noncurved surfaces (e.g., prismatic, etc.)

140
359/620

Having particular composition

248
359/628

Noncircular cross section

123
359/626

Particular focusing or defocusing characteristic

378
359/621

Plural lenticular plates

316
359/622

Serially disposed along optic axis

272
359/623

Cylindrical lenslets

147
359/624

Having crossed axes

79
359/627

Reflective

235
359/462

Stereoscopic

591
359/463

Having record with lenticular surface

260
359/466

Stereo-viewers

157
359/474

Collapsible

48
359/470

Compensates for camera position (e.g., plotting or mapping type)

22
359/475

Having illumination

42
359/473

Ocular spacing or angle between ocular axes adjustable

38
359/476

Ocular to picture distance adjustable

17
359/471

Reflected line of sight

64
359/472

Pictures offset, transposed or have respective right or left sides adjacent

72
359/477

Supporting, mounting, enclosing or light shielding structure

89
359/467

View changers

17
359/468

Picture moves linearly past viewing aperture

12
359/469

Using film strips

19
359/464

With right and left channel discriminator (e.g., polarized or colored light)

307
359/465

Using polarized light

205
359/903

With magnet

31
 
 
  Recently Added Patents
Power supply system for a data storage system and a method of controlling a power supply
Gas flow indicator
Adaptive non-positive inductor current detector (ANPICD)
Can seam inspection
System and method for computational unification of heterogeneous implicit and explicit processing elements
Method for increasing expression of active tumor necrosis factor receptor family member-Ig fusion proteins
Adjustable box extender
  Randomly Featured Patents
Motor mount assembly for an air cleaner
Addition of water to regeneration air
Method of manufacturing a semiconductor integrated circuit device
Hydraulic power steering apparatus
Method and system for automatic mapping of data flow
Preparing laminated thermoplastics stabilized with bisbenzophenones
Methods and apparatus for performing statistical static timing analysis
Self-aligning reusable liquid filtering system
Manufacture of ferrous picrate
Polyol resin