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Class Number: 358 Class Title: PICTORIAL COMMUNICATION; TELEVISION Subclass Subclass Number Title 1 NATURAL COLOR TELEVISION 2 .Holography 3 .Stereoscopic 310 .Recording or reproducing 311 ..Editing 312 ..Fast, slow, or stop reproducing 313 ..Field, frame, or line skipping 314 ..Dropout detection or correction 315 ..Signal amplitude level control 316 ...Color component 317 ....Color killer 318 ....Using reference signal 319 ..Synchronization signal modification 320 ..Time (e.g., phase or frequency) control 321 ...Of relative transducer/record medium speed 322 ....Disc 323 ...Using recorded references (e.g., pilot signal) 324 ...Phase matching or color components to an external reference 325 ....Using variable delay 326 ....Color burst 327 ..Recorder or reproducer fault condition compensation 328 ...Crosstalk elimination 329 ...Comb filtering 330 ..Frequency modulation recording techniques 331 ..Using diffraction technique or stripe filter 332 ..Using photographic record 333 ...With color signal in nonpictorial form 334 ..Separately recorded primary color signals 10 .Monitoring, testing, or measuring 11 .Signal format conversion 12 .Transmission signal formatting 13 ..Pulse code modulation 14 ..Simultaneous and sequential signals 15 ..Simultaneous signals 16 ...Luminance plus dual-phase modulated color carrier 17 .Color synchronization 18 ..Of line-sequential switch 19 ..Using burst 20 ...Specific burst separation circuit 21 R .Specific signal processing circuitry 22 ..Special effects 23 ..Modulator or demodulator 24 ...For PAL signal 25 ...Reference signal control or source 26 ..Color killer 27 ..Color signal amplitude control 28 ..Hue control 29 ..Color balance or temperature 30 ..Matrixing or mixing 31 ..Chrominance-luminance signal separation 32 ..Gamma correction 33 ..Blankingg 34 ..D.C. insertion 35 ..Differential phase or amplitude distortion correction 36 ..Noise elimination 37 ..Signal enhancing 38 ..Frequency response modification 39 ..Luminance channel circuitry 40 ..Chrominance channel circuitry 21 V ..Vertical interval test/reference signal use 41 .Picture signal generators 42 ..With moving color filters 43 ..With one pick-up device supplying more than one color signal 44 ...Single photosensitive device 45 ....With indexing 46 .....Including conductive grid at target 47 ....Frequency separable signals 48 ....Color signals at separate output terminals 49 ....Separate complete images on face of photosensitive device 50 ..With more than one pick-up device; each supplying only one color signal 51 ...Misregistration correction 52 ...Having four photosensitive devices 53 ..Using mechanical-optical scanning means only 54 ..Motion picture film scanning 55 ..Optics 56 .Picture display 57 ..Red-white phenomena 58 ..With moving color filters 59 ..Electroluminescent or solid state 60 ..Projection device 61 ...Using birefringent or polarizing medium 62 ...Using deformable medium 63 ...Using mechanical-optical scanning means only 64 ..Using cathode-ray tube 65 ...Using separate electron beams in a single tube 66 ...Using the same electron beam for more than one color 67 ....With beam position indicating means 68 .....Horizontal stripes 69 .....Photoelectric sensor 70 .....Secondary emission sensor 71 ....With electron-optical color selection 72 ....With beam energy determining color 73 .....With variable depth of penetration of electron beam into the luminescent layer 74 ....Beam intensity or ultor supply control 500 NATURAL COLOR FACSIMILE 501 .Image reproduction 502 ..Ink-Jet 503 ..Thermal 504 .Measuring, testing, and calibrating 505 .Scanning 506 ..Transparency image scanning 507 ..Cathode-ray tube 508 ..Transceiver 509 ..Illumination 510 ...Coherent light 511 ..With prism 512 ..With color filters 513 ..Solid statee 514 ...With plural sensors 515 .Color separation 516 ..White balance correction 517 ..Color masking 518 .Color correction 519 ..Gamma correction 520 ..Hue, saturation and luminance 521 ..Gradation 522 ..With histogram 523 ..With memory for storage of conversion data 524 .Intermediate storage 525 .Interpolation 526 .With mark-forming function 527 .Color photography previewer 528 .Size variation 529 .Black signal synthesis 530 .Specific image-processing circuitry 531 ..Electronic retouch 532 ..Sharpness emphasizing 533 ..Moire reduction 534 ..Halftone processing 535 ...Matrix 536 ...Halftone screening 537 ..Image editing 538 ..Image portion selection 539 ..Image coding (encoder/decoder) 540 ..Composite image 81 PSEUDO COLOR 82 .With conventional color television receiver 83 TELEVISION 84 .Audience survey and use accounting 85 .Telephone-television system and apparatus 86 .Wired broadcasting and distribution 87 .Panoramic 88 .Stereoscopic 89 ..Pseudo 90 ..Holographic 91 ..Separate views on same channel 92 ...Alternately transmitted 93 .Including structure dictated by use 94 ..Aid for the blind 95 ..Back scatter reduction 96 ..Contour generator 97 ..Combined television and motion picture 98 ..Endoscope 99 ..Underwater 100 ..Hazardous or inaccessible 101 ..Manufacturing 102 ..Film, disc, or card retrieval 103 ..Navigation 104 ..Simulator 105 ..Motion detector 106 ..Flaw detector 107 ..Measurement 108 ..Surveillance 109 ...Aerial viewing 110 .Responsive to nonvisible energy 111 ..X-rayy 112 ..Sonic or ultrasonic 113 ..Infrared 349 .Use or access blocking (e.g., locking switch) 125 .Camera tracking 126 ..Using tracking gate 335 .Recording or reproducing television 336 ..Noise pulse or dropout detection or correction 337 ..Time (e.g., phase or frequency) control 338 ...Of relative transducer/record medium speed 339 ...Digital techniques 340 ..Noise (e.g., crosstalk) reduction 341 ..Separately recorded audio and video 342 ..With disc 343 ..Audio and video multiplexed onto same track 344 ..With thermoplastic record 345 ..With photographic record 346 ...Recording at different frame rate 347 ...Using laser or electron beam 348 ...With record moving continuously 133 .Bandwidth reduction of signal 134 ..Fast in-slow out 135 ..Difference transmission 136 ...Between fields or frames 137 ..Scan rate variation 138 ..Sampling 139 .Monitoring, testing, or measuring 140 .Standards or scan conversion 141 .Transmission signal formatting 142 ..For transmission of more than one information signal 143 ...Including sound 144 ....Stereo sound 145 ....During sync or blanking intervals 146 ...Sequentially over the same band 147 ....In blanking or sync periods 148 .Synchronization 149 ..Remote-local lock in 150 ..Generation of sync signals 151 ...Means on video signal generator 152 ..To achieve interlace scanning 153 ..Sync separation 154 ...Vertical from horizontal 155 ...Noise reduction 156 ....Amplitude limiting 157 ....Noise inversion 158 ..Automatic frequency control 159 ...Sync signal compared with sawtooth derived from oscillator 160 .Specific processing circuitry 161 ..Control dependent on ambient light 162 ..Aperture correction 163 ..Shading or black spot correction 164 ..Gamma correction 165 ..Picture blanking or sound muting 166 ..Signal enhancing 167 ..Noise elimination 168 ..Brightness control (auto and manual) 169 ..Contrast control (auto and manual) 170 ..White limiter 171 ..D.C. insertionn 172 ...Keyed clamp 173 ...Diode 174 ..Automatic gain control 175 ...Carrier envelope 176 ...Sync or blanking responsive 177 ....Noise reduction or elimination 178 ....Keyed 179 ...Delayed AGC 180 ..Sweep expansion or reduction 181 ..Switching 182 ..Dissolves or fades 183 ..Wipes or inserts 184 ..Amplifiers 185 .Studio equipment 186 .Transmitter circuitry 187 ..To suppress echo 188 .Receiver circuitry 189 ..TV receiver adapted to receive radio broadcast or in combination with radio receiver 190 ..Power supply 191.1 ..Tuning 192.1 ...With indicator 193.1 ...Search tuning 194.1 ..Remote control 195.1 ..Automatic frequency control 196 ..Sound traps 197 ..Intercarrier circuits 198 ..Sound circuit 199 .Mechanical-optical scanning 200 ..With fiber optics 201 ..By acoustic wave 202 ..Moving aperture 203 ...Drum or belt 204 ...Multiple scanning elements 205 ..Moving lens or refractor 206 ..Moving reflector 207 ...Helical element 208 ...Vibrating or oscillating 209 .Picture signal generator 210 ..Remote control of generator 211 ..Low light level 213.11 ..Scanned solid state device 213.12 ...Junction field effect sensor (e.g., static induction) 213.13 ...Having specific optical feature (e.g., shutter-readout coordination, viewfinder) 213.15 ...Noise reduction or defect correction 213.16 ....Dark current or temperature compensation 213.17 ....With defective pixel compensation 213.18 ....Transient or fixed pattern signal reduction (e.g., flicker, spike, grain) 213.19 ....Blooming reduction or light level control (e.g., exposure control) 213.22 ...Having particular interlacing feature 213.23 ...Including charge transfer device 213.24 ....Smear reduction 213.25 ....Frame transfer 213.26 ....Readout feature 213.27 ...Readout enhancementt 213.28 ....Increased resolution 213.29 ....Having shift register-sensor relationship 213.31 ....Having specific biasing or pulsing feature 212 ..Array of photocells 214 ..Motion picture film scanner 215 ...Intermittent film movement 216 ...With modification of scanner sweep 217 ..Cathode-ray tube 218 ...Automatic beam focusing 219 ...Automatic beam current or sensitivity control 220 ...Burn-in prevention 221 ...Dark current compensation 222 ...Image stabilization 223 ...Remanent image erasure 224 ...Viewfinder 225 ..Optics 226 ...Optical multiplexing 227 ...Focus control 228 ...Automatic iris control 229 ..Support or housing 230 .Picture reproducer 231 ..Projection device 232 ...Kerr cells, polarizing 233 ...Deformable medium 234 ....Specific composition of medium 235 ...Acoustic 236 ...Alterable transmissivity 237 ...Cathode-ray tube as light source 238 ....With concave mirror 239 .....With correcting plate 240 ..Array of lamps 241 ..Scanned solid state device 242 ..Cathode-ray tube 243 ...Excess beam current or ultor voltage control 244 ...With means to photograph displayed image 244.1 ....Recording at different frame rate 244.2 ....With record moving continuously 245 ...Protective device 246 ....Tensioned metal band 247 ....Protective glass or panel 248 ...Support 249 ....Adjustable 250 ...Optics 251 ....For line elimination 252 ....Glare reduction 253 ....Filters 254 ..Cabinet or chassis 255 ...With light shield 400 FACSIMILE 401 .Image reproduction system 402 .Electronic mailbox 403 .Document filing and retrieval system 404 .Facsimile memory monitoring 405 .Image transmission accuracy verification 406 .Facsimile measuring, testing, or calibrating 407 .Facsimile relay system 408 .Plural scanner station 409 .Synchronizationn 410 ..Sync or phase pulse generator 411 ..Facsimile carrier as synchronization signal 412 ..Phase or speed regulation 413 ...Start-stop 414 ...With particular clutch mechanism 415 ...With pendulum 416 ...With tuning fork 417 ...With strobe 418 ...With movable phase shifter 419 ...Receiver motor power transmitted from transmitter 420 ...Receiver motor power source frequency change 421 ...Receiver motor power source voltage change 422 ...Receiver motor power source interruption 423 ...With resistance variable in receiver motor power source 424 ...Stylus 425 .Multiplex 426 .Time or bandwidth compression 261.1 ..Run length encoding 261.2 ...Predictive or adaptive encoding 261.3 ...Two dimensional encoding 427 ...Using Huffman code 261.4 ...Having addressable memory 262.1 ..Two level to three level 428 ..Interpolation 429 ..Halftone or grey level processing 430 ..Adaptive or predictive 431 ..Fill bits or dummy signal 432 ..Two dimensional or orthogonal 433 ...Block 434 .Auxiliary signal 435 ..Transmitter and receiver both supply auxiliary signal(s) 436 ...Auxiliary signal controls apparatus at both transmitter and receiver 437 ..Interruption detection and control 438 ..Transmitter supplies auxiliary signal(s) 439 ..Receiver supplies auxiliary signal(s) 440 ..Telephone number or address of designator 441 ..Facsimile alarm 442 .Facsimile system interface 443 .Specific signal processing circuitry 444 ..Memory interface 445 ..Signal sampling and conversion 446 ..Signal voltage or gain control 447 ..Signal enhancing 448 ..Image processing 449 ...Document size detection 450 ...Plural images combined into a single image 451 ...Picture size conversion 452 ...Image editing 453 ...Image portion selection 454 ...Moire effect elimination 455 ...Gray level processing 456 ....Halftone 457 .....Dither matrix 458 .....Gradation or spatial processing 459 .....Variable halftone dot shape or size 460 .....Addressable storage 461 ....Shade correctionn 462 ...Text and image detection and processing 463 ...Noise elimination 464 ...To distinguish intelligence from background 465 ...Picture signal thresholding 466 ....Variable thresholding technique 467 ...Image classification and coding 468 ..Facsimile control unit 469 ..Carrier wave modulation 470 .Coded character 471 .Picture signal generator 472 ..Combined read and write head 473 ..Hand-held reader 474 ..Scanning 475 ...Facsimile illumination control 476 ...Transceiver 477 ...Nonlight 478 ....Stylus type 479 ...Facsimile video 480 ...Coherent light 481 ....Including a polygon reflector 482 ...Solid state 483 ....Charge coupled device 484 ...Fiber optics or optical waveguides 485 ...Cathode-ray tube 486 ...Scan rate or document movement variation in accordance with data presence 487 ...Facsimile transparency image scanning 488 ...Document position detection 489 ...Helical scanning pattern 490 ....Transparent drum 491 .....Internal scan 492 ....Specified sheet clamp 493 ...Curved scanning surface 494 ...Linear scanning pattern 495 ....Spiral or helix aperture with linear aperture 496 ....Document moves during scanning 497 ....Scanning element moves relative to a flat stationary document 498 ...Document feed 296 .Recording apparatus 297 ..Ablative 298 ..Halftone 299 ...Engraving 300 ..Electrostatic or electrolytic 301 ..Magnetic 302 ..Photographic 303 ..Pressure (e.g., on carbon paper) 304 ..With paper cutter 305 MISCELLANEOUS * ****************************** * CROSS-REFERENCE ART COLLECTIONS * ****************************** 901 FIBER OPTICS 902 PHOTOCHROMIC 903 COMPUTER T.V. APPLICATIONS 904 FREQUENCY RESPONSE MODIFICATION 905 GHOST ELIMINATION 906 HAND-HELD CAMERA WITH RECORDER IN A SINGLE UNITT 907 TRACK SKIPPERS (I.E., "GROOVE SKIPPERS") 908 PAUSE CONTROL (I.E., "COMMERCIAL KILLERS") 909 ELECTRONIC STILL CAMERA OR SCENE REPRODUCER