G11B 15/67528
Of endless tape cassette
Official title: {of endless tape cassette}
G11B15/67528 (Of endless tape cassette) appears on 7 US grants and 0 published applications in this corpus.
Search patents in G11B- Granted patents
- 7
- Published applications
- 0
- Assignees
- 4
- Inventors
- 13
- Latest grant
- 14 Apr 1981
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Apparatus for preventing damage to a tape player head14 Apr 1981US 4,261,527 AFord Aerospace & Communications Corporation
- 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.
- Cartridge loading and unloading device use in cartridge type tape recorders23 Aug 1977US 4,044,390 AMotorola, Inc.
- Apparatus for turning rotor for each desirable angle by driving force of capstan drive system14 Jun 1977US 4,030,134 A
No published applications in this class yet.
Most cited
By later US patents
- Apparatus for preventing damage to a tape player head6US 4,261,527 AFord Aerospace & Communications Corporation · 1981
- 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
- Cartridge loading and unloading device use in cartridge type tape recorders2US 4,044,390 AMotorola, Inc. · 1977