G05B 2219/1172
Direct negation, inversion of inputsignal
G05B2219/1172 (Direct negation, inversion of inputsignal) appears on 5 US grants and 0 published applications in this corpus.
Search patents in G05B- Granted patents
- 5
- Published applications
- 0
- Assignees
- 4
- Inventors
- 11
- Latest grant
- 6 Nov 1990
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Sequence controller6 Nov 1990US 4,969,119 AHitachi, Ltd.
- Single bit storage and retrieval with transition intelligence18 Aug 1987US 4,688,191 AAMCA International Corporation
- Bit processing utilizing a row and column ladder sequence18 Aug 1987US 4,688,193 AHitachi, Ltd.
- Programmable logic controller23 Jun 1987US 4,675,843 AInternational Business Machines Corporation
- Programmable controller with hardwired backup connecting terminals and related control system using programmable controller and hardwired backup26 Sep 1978US 4,117,317 ADynage, Incorporated
No published applications in this class yet.
Most cited
By later US patents
- Programmable controller with hardwired backup connecting terminals and related control system using programmable controller and hardwired backup14US 4,117,317 ADynage, Incorporated · 1978
- Single bit storage and retrieval with transition intelligence10US 4,688,191 AAMCA International Corporation · 1987
- Sequence controller10US 4,969,119 AHitachi, Ltd. · 1990
- Bit processing utilizing a row and column ladder sequence5US 4,688,193 AHitachi, Ltd. · 1987
- Programmable logic controller4US 4,675,843 AInternational Business Machines Corporation · 1987