G05B 2219/21022
Telephone ring interface, detect ring sequence to control devices
G05B2219/21022 (Telephone ring interface, detect ring sequence to control devices) appears on 1 US grants and 1 published applications in this corpus.
Search patents in G05B- Granted patents
- 1
- Published applications
- 1
- Assignees
- 0
- Inventors
- 3
- Latest grant
- 9 Apr 1996
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
By publication year. Applications have been published since 2001.