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Class Information
Number: 375/2.1
Name: Pulse or digital communications >
Description:
Sub-classes under this class:
| Class Number |
Class Name |
Patents |
| 375/130 |
Spread spectrum |
2,031 |
| 375/211 |
Repeaters |
357 |
| 375/216 |
Apparatus convertible to analog |
242 |
| 375/218 |
Earth or water medium |
21 |
| 375/219 |
Transceivers |
1,913 |
| 375/224 |
Testing |
1,154 |
| 375/229 |
Equalizers |
1,333 |
| 375/237 |
Pulse number modulation |
45 |
| 375/238 |
Pulse width modulation |
602 |
| 375/239 |
Pulse position, frequency, or spacing modulation |
390 |
| 375/240 |
Bandwidth reduction or expansion |
1,358 |
| 375/242 |
Pulse code modulation |
564 |
| 375/256 |
Pulse transmission via radiated baseband |
140 |
| 375/257 |
Cable systems and components |
1,074 |
| 375/259 |
Systems using alternating or pulsating current |
1,308 |
| 375/286 |
Multilevel |
374 |
| 375/295 |
Transmitters |
2,483 |
| 375/316 |
Receivers |
3,289 |
| 375/353 |
Pulse amplitude modulation |
182 |
| 375/354 |
Synchronizers |
2,285 |
| 375/377 |
Miscellaneous |
688 |
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
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