| Class Number |
Class Name |
No. of Patents |
| 358/909.1 |
Electronic still camera or scene reproducer |
286 |
| 358/400 |
Facsimile |
658 |
| | Facsimile | |
| 358/434 |
Auxiliary signal |
633 |
| 358/441 |
Facsimile alarm |
41 |
| 358/437 |
Interruption detection and control |
226 |
| 358/439 |
Receiver supplies auxiliary signal(s) |
113 |
| 358/440 |
Telephone number or address of designator |
346 |
| 358/435 |
Transmitter and receiver both supply auxiliary signal(s) |
208 |
| 358/436 |
Auxiliary signal controls apparatus at both transmitter and receiver |
127 |
| 358/438 |
Transmitter supplies auxiliary signal(s) |
192 |
| 358/470 |
Coded character |
116 |
| 358/403 |
Document filing and retrieval system |
562 |
| 358/402 |
Electronic mailbox |
546 |
| 358/406 |
Facsimile measuring, testing, or calibrating |
688 |
| 358/404 |
Facsimile memory monitoring |
505 |
| 358/407 |
Facsimile relay system |
422 |
| 358/442 |
Facsimile system interface |
676 |
| 358/401 |
Image reproduction system |
554 |
| 358/405 |
Image transmission accuracy verification |
288 |
| 358/425 |
Multiplex |
72 |
| 358/471 |
Picture signal generator |
465 |
| 358/472 |
Combined read and write head |
125 |
| 358/473 |
Hand-held reader |
330 |
| 358/474 |
Scanning |
2131 |
| 358/485 |
Cathode-ray tube |
17 |
| 358/480 |
Coherent light |
134 |
| 358/481 |
Including a polygon reflector |
211 |
| 358/493 |
Curved scanning surface |
116 |
| 358/498 |
Document feed |
768 |
| 358/488 |
Document position detection |
353 |
| 358/475 |
Facsimile illumination control |
634 |
| 358/487 |
Facsimile transparency image scanning |
502 |
| 358/479 |
Facsimile video |
85 |
| 358/484 |
Fiber optics or optical waveguides |
195 |
| 358/489 |
Helical scanning pattern |
55 |
| 358/492 |
Specified sheet clamp |
46 |
| 358/490 |
Transparent drum |
28 |
| 358/491 |
Internal scan |
40 |
| 358/494 |
Linear scanning pattern |
562 |
| 358/496 |
Document moves during scanning |
717 |
| 358/497 |
Scanning element moves relative to a flat stationary document |
850 |
| 358/495 |
Spiral or helix aperture with linear aperture |
11 |
| 358/477 |
Nonlight |
21 |
| 358/478 |
Stylus type |
34 |
| 358/486 |
Scan rate or document movement variation in accordance with data presence |
353 |
| 358/482 |
Solid state |
518 |
| 358/483 |
Charge coupled device |
580 |
| 358/476 |
Transceiver |
95 |
| 358/408 |
Plural scanner station |
120 |
| 358/296 |
Recording apparatus |
1602 |
| 358/300 |
Electrostatic or electrolytic |
549 |
| 358/301 |
Magnetic |
38 |
| 358/302 |
Photographic |
343 |
| 358/303 |
Pressure (e.g., on carbon paper) |
13 |
| 358/304 |
With paper cutter |
64 |
| 358/426.01 |
Reduced time or bandwidth for static image communication |
108 |
| 358/426.12 |
Auxiliary information transmitted (e.g., required to perform or identify decoding technique) |
101 |
| 358/426.15 |
Coding for analog facsimile equipment (e.g., group 1 or 2) |
10 |
| 358/426.16 |
Coding for digital facsimile equipment (e.g., group 3 or 4) |
33 |
| 358/426.13 |
Combined with lossless coding technique (e.g., fixed or variable run-length coding) |
97 |
| 358/426.14 |
Combined with lossy coding technique (e.g., coding of quantized transform coefficients) |
62 |
| 358/426.02 |
Condition based selection or control of image coding technique or communication arrangement |
104 |
| 358/426.06 |
Amount of image data or code |
28 |
| 358/426.08 |
Bandwidth or property of a communication medium |
16 |
| 358/426.11 |
Coded image communication rate |
23 |
| 358/426.07 |
Coding or decoding rate |
28 |
| 358/426.09 |
Communication error rate or level |
30 |
| 358/426.1 |
Fill bit or dummy signal used |
27 |
| 358/426.04 |
Processing or analysis of an uncoded or decoded image |
68 |
| 358/426.05 |
Storage arrangement or capacity |
47 |
| 358/426.03 |
Transfer rate of an uncoded or decoded image |
28 |
| 358/443 |
Specific signal processing circuitry |
366 |
| 358/469 |
Carrier wave modulation |
45 |
| 358/468 |
Facsimile control unit |
926 |
| 358/448 |
Image processing |
917 |
| 358/449 |
Document size detection |
239 |
| 358/452 |
Image editing |
333 |
| 358/453 |
Image portion selection |
521 |
| 358/463 |
Noise elimination |
388 |
| 358/465 |
Picture signal thresholding |
235 |
| 358/466 |
Variable thresholding technique |
304 |
| 358/451 |
Picture size conversion |
655 |
| 358/450 |
Plural images combined into a single image |
514 |
| 358/461 |
Shade correction |
435 |
| 358/462 |
Text and image detection and processing |
585 |
| 358/464 |
To distinguish intelligence from background |
345 |
| 358/444 |
Memory interface |
706 |
| 358/447 |
Signal enhancing |
436 |
| 358/445 |
Signal sampling and conversion |
210 |
| 358/446 |
Signal voltage or gain control |
113 |
| 358/409 |
Synchronization |
187 |
| 358/411 |
Facsimile carrier as synchronization signal |
10 |
| 358/412 |
Phase or speed regulation |
156 |
| 358/420 |
Receiver motor power source frequency change |
15 |
| 358/422 |
Receiver motor power source interruption |
12 |
| 358/421 |
Receiver motor power source voltage change |
16 |
| 358/419 |
Receiver motor power transmitted from transmitter |
10 |
| 358/413 |
Start-stop |
28 |
| 358/424 |
Stylus |
3 |
| 358/418 |
With movable phase shifter |
3 |
| 358/414 |
With particular clutch mechanism |
15 |
| 358/415 |
With pendulum |
3 |
| 358/423 |
With resistance variable in receiver motor power source |
8 |
| 358/417 |
With strobe |
4 |
| 358/416 |
With tuning fork |
3 |
| 358/410 |
Sync or phase pulse generator |
69 |
| 358/901.1 |
Fiber optics |
56 |
| 358/906 |
Hand-held camera with recorder in a single unit |
523 |
| 358/305 |
Miscellaneous |
24 |
| 358/500 |
Natural color facsimile |
485 |
| 358/529 |
Black signal synthesis |
190 |
| 358/518 |
Color correction |
1851 |
| 358/519 |
Gamma correction |
283 |
| 358/521 |
Gradation |
359 |
| 358/520 |
Hue, saturation and luminance |
661 |
| 358/522 |
With histogram |
183 |
| 358/523 |
With memory for storage of conversion data |
589 |
| 358/527 |
Color photography previewer |
408 |
| 358/515 |
Color separation |
474 |
| 358/517 |
Color masking |
96 |
| 358/516 |
White balance correction |
147 |
| 358/501 |
Image reproduction |
406 |
| 358/502 |
Ink-jet |
230 |
| 358/503 |
Thermal |
58 |
| 358/524 |
Intermediate storage |
229 |
| 358/525 |
Interpolation |
324 |
| 358/504 |
Measuring, testing, and calibrating |
729 |
| 358/505 |
Scanning |
421 |
| 358/507 |
Cathode-ray tube |
37 |
| 358/509 |
Illumination |
331 |
| 358/510 |
Coherent light |
26 |
| 358/513 |
Solid-state |
135 |
| 358/514 |
With plural sensors |
220 |
| 358/508 |
Transceiver |
8 |
| 358/506 |
Transparency image scanning |
255 |
| 358/512 |
With color filters |
191 |
| 358/511 |
With prism |
25 |
| 358/528 |
Size variation |
115 |
| 358/530 |
Specific image-processing circuitry |
343 |
| 358/540 |
Composite image |
195 |
| 358/531 |
Electronic retouch |
34 |
| 358/534 |
Halftone processing |
404 |
| 358/536 |
Halftone screening |
195 |
| 358/535 |
Matrix |
126 |
| 358/539 |
Image coding (encoder/decoder) |
202 |
| 358/537 |
Image editing |
159 |
| 358/538 |
Image portion selection |
232 |
| 358/533 |
Moire reduction |
97 |
| 358/532 |
Sharpness emphasizing |
136 |
| 358/526 |
With mark-forming function |
25 |
| 358/908 |
Pause control (i.e., "commercial killers") |
59 |
| 358/1.1 |
Static presentation processing (e.g., processing data for printer, etc.) |
1161 |
| 358/1.9 |
Attribute control |
4091 |
| 358/3.24 |
Adaptive image reproduction |
132 |
| 358/2.99 |
Bi-level image reproduction (e.g., character or line reproduction) |
66 |
| 358/3.26 |
Distortion control in image reproduction (e.g., removing, reducing or preventing image artifacts) |
584 |
| 358/3.28 |
Embedding a hidden or unobtrusive code or pattern in a reproduced image (e.g., a watermark) |
300 |
| 358/3.29 |
Engraving or perforating material to form a printing surface (e.g., printing plate, cylinder, or stencil) |
153 |
| 358/3.31 |
Character or design formed on printing surface (e.g., intaglio) |
26 |
| 358/3.3 |
Halftone pattern formed on printing surface |
59 |
| 358/3.32 |
Mechanical arrangement for forming a printing surface |
38 |
| 358/3.27 |
Enhancement control in image reproduction (e.g., smoothing or sharpening edges) |
401 |
| 358/3.01 |
Multi-level image reproduction (e.g., gray level reproduction) |
225 |
| 358/3.21 |
Adaptive multi-level image reproduction |
187 |
| 358/3.22 |
Variable threshold determined by image or other condition (e.g., adaptive thresholding) |
77 |
| 358/3.03 |
Error diffusion in gray level or halftone generation |
298 |
| 358/3.05 |
Adaptive error diffusion |
128 |
| 358/3.04 |
Property of error weighting filter (e.g., adaptive, deterministic, random) |
73 |
| 358/3.06 |
Halftoning (e.g., a pattern of print elements used to represent a gray level) |
416 |
| 358/3.08 |
Descreening (e.g., inverse halftone conversion) |
80 |
| 358/3.13 |
Dithering (e.g., spatial distribution of print elements by threshold matrix) |
228 |
| 358/3.14 |
Adaptive dithering |
135 |
| 358/3.15 |
Edge adaptive |
73 |
| 358/3.16 |
Ordered dithering (e.g., deterministic or systematic) |
68 |
| 358/3.17 |
Clustered pattern |
63 |
| 358/3.18 |
Dispersed pattern |
19 |
| 358/3.19 |
Stochastic or random dithering |
106 |
| 358/3.09 |
Print element property varied to effect halftone pattern |
105 |
| 358/3.1 |
Density of print element (e.g., multi-level halftone) |
145 |
| 358/3.11 |
Shape of print element |
43 |
| 358/3.12 |
Size of print element |
98 |
| 358/3.07 |
Rescreening (e.g., converting spatial resolution) |
153 |
| 358/3.2 |
Screen property or geometry (e.g., shape, period, symmetry, aspect ratio) |
193 |
| 358/3.23 |
Look-up table for image processing or print attribute data (e.g., threshold value, print element property) |
266 |
| 358/3.02 |
Print element property varied to represent gray level |
84 |
| 358/2.1 |
Processing based on at least two different image attributes (e.g., character, graphic, photo, line, edge, gray-level, color) |
562 |
| 358/1.11 |
Character or font |
488 |
| 358/1.15 |
Communication |
4255 |
| 358/1.14 |
Data corruption, power interruption, or print prevention |
1275 |
| 358/1.18 |
Detail of image placement or content |
1341 |
| 358/1.12 |
Detail of medium positioning (e.g., movement to or from presentation location of medium, etc.) |
553 |
| 358/1.8 |
Dot matrix array (e.g., printheads, etc.) |
349 |
| 358/1.13 |
Emulation or plural modes |
1671 |
| 358/1.7 |
Flying dot (e.g., laser beam, etc.) |
133 |
| 358/1.16 |
Memory |
1657 |
| 358/1.17 |
Page or frame memory |
565 |
| 358/1.3 |
Plotter |
160 |
| 358/1.4 |
Plural marking means |
137 |
| 358/1.5 |
Position or velocity determined |
243 |
| 358/1.2 |
Size, resolution, or scale control |
805 |
| 358/1.6 |
Specific to image source |
322 |
| 358/907 |
Track skippers (i.e., "groove skippers") |
91 |
