Y10S 388/918
Trigger by unijunction transistor
Y10S388/918 (Trigger by unijunction transistor) appears on 9 US grants and 0 published applications in this corpus.
Search patents in Y10S- Granted patents
- 9
- Published applications
- 0
- Assignees
- 8
- Inventors
- 13
- Latest grant
- 13 Jun 1989
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Current limiting control circuit for d.c. motors13 Jun 1989US 4,839,570 AK. B. Electronics Inc.
- Motor control fail-safe circuit23 May 1989US 4,833,379 ASherwood Medical Company
- Speed control circuit for an electric motor27 Sep 1988US 4,774,444 A
- Speed control system for electric motor5 Apr 1988US 4,736,142 ADart Controls, Inc.
- Two-way operation system control device for sewing machines10 Nov 1981US 4,299,182 AJanome Sewing Machine Co., Ltd.
No published applications in this class yet.
Most cited
By later US patents
- Motor control fail-safe circuit55US 4,833,379 ASherwood Medical Company · 1989
- Two-way operation system control device for sewing machines20US 4,299,182 AJanome Sewing Machine Co., Ltd. · 1981
- Servomechanism rate control system with compensation for motor-tachometer resonance10US 4,215,298 ALockheed Electronics Co., Inc. · 1980
- Current limiting control circuit for d.c. motors9US 4,839,570 AK. B. Electronics Inc. · 1989
- DC Motor speed control system7US 4,246,521 AYamamoto Electric Industrial Co., Ltd. · 1981