| Class Number |
Class Name |
Patents |
| 348/14.01 |
Two-way video and voice communication (e.g., videophone) |
479 |
| 348/162 |
Responsive to nonvisible energy |
87 |
| 348/169 |
Object tracking |
593 |
| 348/173 |
Cathode-ray tube burn-in prevention |
95 |
| 348/175 |
Camera with built-in test signal generator, test pattern, or adjusting adjunct |
40 |
| 348/177 |
Display or receiver with built-in test signal generator, test pattern, or adjusting adjunct |
72 |
| 348/180 |
Monitoring, testing, or measuring |
392 |
| 348/195 |
Mechanical optical scanning |
39 |
| 348/206 |
Special scanning (e.g., spiral, random, zigzag) |
35 |
| 348/207.99 |
Camera, system and detail |
546 |
| 348/21 |
Plural transmitter system considerations (e.g., interference reduction) |
139 |
| 348/22 |
Slow scanning transmission (e.g., still frame) |
36 |
| 348/24 |
Plural still images over conventional channel |
25 |
| 348/25 |
Image falsification to improve viewer perception of selective object (e.g., moving object or target) |
45 |
| 348/31 |
Back scatter reduction |
58 |
| 348/32 |
Pseudo color |
63 |
| 348/35 |
Pseudo black and white |
6 |
| 348/36 |
Panoramic |
329 |
| 348/377 |
Cathode-ray tube display excessive voltage control |
75 |
| 348/379 |
Cathode-ray tube display automatic black level bias control |
86 |
| 348/380 |
Cathode-ray tube display beam current control |
134 |
| 348/383 |
Modular image display system |
137 |
| 348/384.1 |
Bandwidth reduction system |
183 |
| 348/40 |
Holographic |
68 |
| 348/42 |
Stereoscopic |
412 |
| 348/441 |
Format conversion |
731 |
| 348/460 |
Diverse device controlled by information embedded in video signal |
249 |
| 348/461 |
Nonpictorial data packet in television format |
249 |
| 348/469 |
Format |
148 |
| 348/497 |
Flutter or jitter correction (e.g., dynamic reproduction) |
104 |
| 348/500 |
Synchronization |
274 |
| 348/552 |
Combined with diverse art device (e.g., computer, telephone) |
720 |
| 348/553 |
Basic receiver with additional function |
315 |
| 348/571 |
Image signal processing circuitry specific to television |
361 |
| 348/61 |
Special applications |
221 |
| 348/722 |
Studio equipment |
273 |
| 348/723 |
Television transmitter circuitry |
172 |
| 348/725 |
Receiver circuitry |
584 |
| 348/739 |
Video display |
77 |
| 348/844 |
Miscellaneous |
9 |
| 348/901 |
High speed television system |
5 |
| 348/902 |
Photochromic |
9 |
| 348/903 |
Including side panel information in single channel |
11 |
| 348/904 |
Separation or joining of side and center panels |
15 |
| 348/905 |
Reproduction of a color field or frame |
4 |
| 348/908 |
Convertible circuits (e.g., y/c separation or noise reduction) |
4 |
| 348/909 |
Noise responsive signal processing |
7 |
| 348/910 |
Flicker reduction |
151 |
| 348/911 |
Line doubler adapted for reproducing program originally from film (e.g., 24 frame per second) |
45 |
| 348/912 |
Differential amplitude consideration (e.g., amplitude vs. frequency) |
4 |
| 348/913 |
Letterbox (e.g., display 16:9 aspect ratio image on 4:3 screen) |
77 |
| 348/914 |
Delay for equalization |
21 |
