Did You Know...
...that the Band-Aid Bandage was invented by a Johnson & Johnson employee whose wife had cut herself? Earl Dickson's wife was rather accident prone, so he set out to develop a bandage that she could apply without help. He placed a small piece of gauze in the center of a small piece of surgical tape, and what we know today as the Band Aid bandage was born!
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Communications
Click the
icons below for an RSS feed of the most recent documents in each class. What is RSS?- 331 OscillatorsSubclasses: 200
- 379 Telephonic communicationsSubclasses: 807
- 375 Pulse or digital communicationsSubclasses: 218
- 358 Facsimile and static presentation processingSubclasses: 202
- 116 Signals and indicatorsSubclasses: 306
- 181 AcousticsSubclasses: 208
- 367 Communications, electrical: acoustic wave systems and devicesSubclasses: 207
- 346 RecordersSubclasses: 173
- 178 TelegraphySubclasses: 180
- 386 Television signal processing for dynamic recording or reproducingSubclasses: 131
- 329 DemodulatorsSubclasses: 73
- 340 Communications: electricalSubclasses: 972
- 343 Communications: radio wave antennasSubclasses: 221
- 342 Communications: directive radio wave systems and devices (e.g., radar, radio navigation)Subclasses: 347
- 334 TunersSubclasses: 89
- 398 Optical communicationsSubclasses: 215
- 455 TelecommunicationsSubclasses: 558
- 370 Multiplex communicationsSubclasses: 394
