| ??? 11/28/07 10:22 Read: times |
#147492 - Ultrasound Data Link |
I've got this idea (top secret, I'm afraid) about using ultrasound as a carrier for a data link.
It would be just very simple commands/responses to "ping" (no pun intended) between units. A bit like remote controls, really. But I'm hoping ultrasound will be better at going round corners than IR. Remembering that old remote controls did used to use ultrasonics, I tried searching on that - but the only info seemed to be just detecting the presence or absence of a carrier (which was why jingling keys could upset them). Searching for things like "ultrasonic data transmission" tends to give loads of stuff about handling the data from medical ultrasound scanners - rather than using ultrasound to transmit data! So, can anyone give any hints or tips on good terms & keywords for this search..? Thanks. PS Of course, if anyone does have complete source code for my unspecified requirement, that would be great...! ;-) |
| Topic | Author | Date |
| Ultrasound Data Link | 01/01/70 00:00 | |
| Not really ultrasonic. | 01/01/70 00:00 | |
| The other issue ... | 01/01/70 00:00 | |
| Echoes | 01/01/70 00:00 | |
| Speed of sound vs. speed of light | 01/01/70 00:00 | |
| multipath | 01/01/70 00:00 | |
| Signal attenuation is very big | 01/01/70 00:00 | |
| Similarity to IR remote | 01/01/70 00:00 | |
| the cheapest ultrasound transceivers ... | 01/01/70 00:00 | |
| Frequency ? | 01/01/70 00:00 | |
| Fish finder freq. | 01/01/70 00:00 | |
| Miniscule | 01/01/70 00:00 | |
| Thanks - that's useful | 01/01/70 00:00 | |
RC5 should do it | 01/01/70 00:00 |