G11B 15/67586
With servo control
Official title: {with servo control}
G11B15/67586 (With servo control) appears on 4 US grants and 0 published applications in this corpus.
Search patents in G11B- Granted patents
- 4
- Published applications
- 0
- Assignees
- 3
- Inventors
- 11
- Latest grant
- 6 Jan 1987
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Cassette-receiving door device for cassette tape recorder6 Jan 1987US 4,635,148 APioneer Electronic Corporation
- Tape cassette lid opening device for magnetic recording tape driving apparatus24 May 1983US 4,385,332 AOlympus Optical Co., Ltd.
- Tape recorder having cassette reversing device8 Jun 1982US 4,334,251 AOlympus Optical Co., Ltd.
- Magnetic tape recording and/or reproducing apparatus1 May 1979US 4,152,738 AMatsushita Electric Industrial Co., Ltd.
No published applications in this class yet.
Most cited
By later US patents
- Magnetic tape recording and/or reproducing apparatus5US 4,152,738 AMatsushita Electric Industrial Co., Ltd. · 1979
- Tape cassette lid opening device for magnetic recording tape driving apparatus4US 4,385,332 AOlympus Optical Co., Ltd. · 1983
- Tape recorder having cassette reversing device3US 4,334,251 AOlympus Optical Co., Ltd. · 1982
- Cassette-receiving door device for cassette tape recorder3US 4,635,148 APioneer Electronic Corporation · 1987