G11B 15/67531
With servo control
Official title: {with servo control}
G11B15/67531 (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
- 6
- Latest grant
- 23 Sep 1980
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Cartridge ejecting apparatus for magnetic tape players23 Sep 1980US 4,224,650 ASecoh Giken Inc.
- Automatic cartridge-rejecting apparatus for a cartridge tape-playing device2 May 1978US 4,087,841 ATanashin Denki Co., Ltd.
- Tape cartridge release assembly5 Oct 1976US 3,984,871 AMotorola, Inc.
- Ejection device for tape cartridge9 Mar 1976US 3,943,567 A
No published applications in this class yet.
Most cited
By later US patents
- Ejection device for tape cartridge5US 3,943,567 A1976
- Cartridge ejecting apparatus for magnetic tape players4US 4,224,650 ASecoh Giken Inc. · 1980
- Tape cartridge release assembly3US 3,984,871 AMotorola, Inc. · 1976
- Automatic cartridge-rejecting apparatus for a cartridge tape-playing device2US 4,087,841 ATanashin Denki Co., Ltd. · 1978