| Class Number |
Class Name |
No. of Patents |
| 355/78 |
Contact printing |
63 |
| 355/82 |
Book page copying |
24 |
| 355/85 |
Exposing on sensitized printing press plate or cylinder (e.g., photocomposers) |
84 |
| 355/86 |
Step and repeat |
32 |
| 355/87 |
Fluid pressure |
26 |
| 355/91 |
Fluid pressure retention of carrier and receiver in exposure position |
144 |
| 355/92 |
Air-inflated cushion |
12 |
| 355/93 |
Pivoted frame |
24 |
| 355/94 |
With pump |
25 |
| 355/122 |
Frames |
22 |
| 355/123 |
Strip film |
11 |
| 355/127 |
Transfer of plural images |
10 |
| 355/125 |
With diffusing or masking (e.g., vignetting) |
67 |
| 355/126 |
Adjustable parameters |
17 |
| 355/128 |
With platen |
9 |
| 355/131 |
Attached platen |
1 |
| 355/129 |
Divided platen |
4 |
| 355/130 |
With closing spring bias |
2 |
| 355/124 |
With shutters |
1 |
| 355/113 |
Light boxes |
33 |
| 355/117 |
Cylindrical or curved exposure station |
16 |
| 355/118 |
Divided or flexible platen |
9 |
| 355/116 |
Foot-operated platen or shutter |
1 |
| 355/119 |
Indirect illumination |
3 |
| 355/120 |
Platen-controlled illumination circuit |
9 |
| 355/114 |
Transfer of plural images |
6 |
| 355/115 |
With exposure timing |
7 |
| 355/121 |
With shutter |
5 |
| 355/83 |
Light monitoring exposure control |
63 |
| 355/80 |
Localized contrast modification (e.g., dodging or fading) |
18 |
| 355/81 |
With scanning |
15 |
| 355/97 |
Machine (i.e., having at least partly automatic feed) |
42 |
| 355/98 |
Sound track printing |
2 |
| 355/104 |
With cylindrical or curved exposure station structure |
44 |
| 355/108 |
Continuous running |
6 |
| 355/111 |
Indeterminate-length carrier and receiver |
5 |
| 355/109 |
Repeated printing from a carrier |
9 |
| 355/110 |
Rotating exposure station cylinder |
29 |
| 355/105 |
Light lowered into vertical cylinder |
1 |
| 355/106 |
With further developing processing |
54 |
| 355/107 |
With intermediate printing material |
6 |
| 355/99 |
With flat exposure station structure |
72 |
| 355/103 |
Continuous running |
14 |
| 355/102 |
Repeated printing from a carrier |
15 |
| 355/100 |
With further developing processing |
112 |
| 355/101 |
With shutters |
10 |
| 355/132 |
Methods |
112 |
| 355/88 |
Multicolor printing |
72 |
| 355/89 |
Plural exposure stations or plural machines |
25 |
| 355/90 |
With plural webs of indeterminate length (e.g., motion picture film) |
3 |
| 355/112 |
Print counting and marking |
19 |
| 355/95 |
Step and repeat |
34 |
| 355/96 |
Strip receiver |
1 |
| 355/79 |
Superimposed carriers (e.g., montage or combination printing) |
43 |
| 355/84 |
With scanning |
66 |
| 355/2 |
Hologram, seismogram, graph or scale copying |
17 |
| 355/1 |
Including fiber optics |
258 |
| 355/133 |
Miscellaneous |
167 |
| 355/18 |
Projection printing and copying cameras |
174 |
| 355/21 |
Collapsible or portable |
38 |
| 355/19 |
Combined with or convertible to a contact printer |
20 |
| 355/23 |
Copying both sides of original |
149 |
| 355/25 |
Book page copying |
132 |
| 355/24 |
Duplex |
241 |
| 355/31 |
Copying sound record |
15 |
| 355/75 |
Detailed holder for original |
1222 |
| 355/76 |
Including vacuum, fluid or spring pressure |
257 |
| 355/72 |
Detailed holder for photosensitive paper |
1058 |
| 355/74 |
Including adjustable or selective masking frame |
175 |
| 355/73 |
Including vacuum or fluid pressure |
209 |
| 355/52 |
Distortion introducing or rectifying |
325 |
| 355/55 |
Focus or magnification control |
975 |
| 355/56 |
Automatic or semiautomatic focusing when varying image size |
108 |
| 355/58 |
Including a cam or a screw with nonuniform pitch |
56 |
| 355/59 |
And an indicator or scale |
15 |
| 355/57 |
Reflector between original and photo-sensitive paper |
185 |
| 355/61 |
Including indicator or scale |
60 |
| 355/62 |
Vertical optical path |
17 |
| 355/60 |
Reflector between original and photo-sensitive paper |
123 |
| 355/63 |
Vertical optical path |
55 |
| 355/40 |
Identifying, composing, or selecting |
925 |
| 355/42 |
Including electromagnet |
22 |
| 355/41 |
Including photocell |
354 |
| 355/43 |
Including reflector between original and photosensitive paper |
214 |
| 355/67 |
Illumination systems or details |
1835 |
| 355/69 |
Electricity to lamp controlled |
430 |
| 355/68 |
Including photocell or phototube |
453 |
| 355/71 |
Including shutter, diaphragm, polarizer or filter |
1131 |
| 355/70 |
Plural lamps |
184 |
| 355/64 |
Image transferred from individual documents to film strip |
161 |
| 355/65 |
Reflector between original and photo-sensitive paper |
50 |
| 355/47 |
Image transferred to or from curved surface |
100 |
| 355/48 |
Original moves continuously |
29 |
| 355/49 |
Reflector between original and photo-sensitive paper |
52 |
| 355/77 |
Methods |
1787 |
| 355/32 |
Multicolor picture |
239 |
| 355/33 |
Lenticular film |
23 |
| 355/34 |
Including detailed diaphragm |
7 |
| 355/35 |
Regulating light intensity or exposure time |
277 |
| 355/36 |
Including electromagnet |
12 |
| 355/38 |
Including |
365 |
| 355/37 |
Plural lamps |
67 |
| 355/50 |
Original moves continuously |
246 |
| 355/51 |
Reflector between original and photo-sensitive paper |
181 |
| 355/26 |
Photographing on both sides of photo-sensitive paper |
113 |
| 355/46 |
Plural |
155 |
| 355/54 |
Producing plural rows of pictures on photosensitive paper |
205 |
| 355/66 |
Reflector between original and photo-sensitive paper |
235 |
| 355/53 |
Step and repeat |
3390 |
| 355/22 |
Stereoscopic |
127 |
| 355/39 |
Tilting |
89 |
| 355/20 |
With cathode ray tube for light source |
123 |
| 355/27 |
With developing |
580 |
| 355/28 |
And film severing |
139 |
| 355/29 |
With film severing |
149 |
| 355/44 |
With focusing or projection screen |
56 |
| 355/45 |
Reflector in optical path |
217 |
| 355/30 |
With temperature or foreign particle control |
870 |
| 355/400 |
Using microcapsules |
53 |
| 355/401 |
Condition responsive control |
34 |
| 355/402 |
Exposure |
45 |
| 355/404 |
Of selected area or border |
14 |
| 355/403 |
Using mask original |
26 |
| 355/405 |
Heating (e.g., thermal fixing) |
56 |
| 355/406 |
Pressure developing |
62 |
| 355/407 |
Sheet feeding |
76 |
| 355/408 |
Having document handling detection |
26 |
