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  1. Technology classes
  2. /G · Physics
  3. /G11 · Information storage
  4. /G11B · Information storage based on relative movement between record carrier and transducer
  5. /G11B 23/00 · Record carriers not specific to the method of recording or reproducing
  6. /G11B 23/02 · Containers
  7. /G11B 23/04 · Magazines
  8. /G11B 23/08 · For housing webs or filaments having two distinct ends
  9. /G11B 23/087 · Using two different reels or cores
  10. /G11B 23/08707 · Details
  11. /G11B 23/08735 · Covers
  12. /G11B 23/08742
G11B 23/08742

In combination with brake means

Official title: {in combination with brake means}

G11B23/08742 (In combination with brake means) appears on 44 US grants and 1 published applications in this corpus.

Search patents in G11B

Where it sits

  1. GPhysics
  2. G11Information storage
  3. G11BInformation storage based on relative movement between record carrier and transducer
  4. G11B 23/00Record carriers not specific to the method of recording or reproducing
  5. G11B 23/02Containers
  6. G11B 23/04Magazines
  7. G11B 23/08For housing webs or filaments having two distinct ends
  8. G11B 23/087Using two different reels or cores
  9. G11B 23/08707Details
  10. G11B 23/08735Covers
  11. G11B 23/08742In combination with brake means
Granted patents
44
Published applications
1
Assignees
13
Inventors
59
Latest grant
28 Oct 2003

Filings by year

Granted patentsPublished applications
G11B 23/08742: granted patents and published applications per publication year
YearGranted patentsPublished applications
197720
197810
197910
198020
198110
198200
198330
198400
198510
198600
198730
198870
198960
199020
199100
199220
199330
199400
199530
199600
199710
199800
199900
200010
200100
200231
200320

1977198719972003

By publication year. Applications have been published since 2001.

Recent patents

  • Hub lock releasing structure for a tape recorder and related method of fabrication28 Oct 2003US 6,637,251 B1Samsung Electronics Co., Ltd.
  • Hub lock releasing structure for a tape recorder and related method of fabrication8 Jul 2003US 6,588,247 B2Samsung Electronics Co., Ltd.
  • Tape cassette having a biased locked member18 Jun 2002US 6,407,886 B1TDK Corporation
  • Tape cartridge14 May 2002US 6,388,837 B1TDK Corporation
  • Tape cartridge5 Mar 2002US 6,353,513 B1Sony Corporation
  • Hub lock releasing structure for a tape recorder and related method of fabrication21 Feb 2002US 2002/0020774 A1Samsung Electronics Co., Ltd.

Most cited

By later US patents
  • Tape cassette brake assembly34US 4,290,567 ASony Corporation · 1981
  • Tape cassette28US 4,106,724 AMatsushita Electric Industrial Co., Ltd. · 1978
  • Tape cassette24US 4,004,752 ASony Corporation · 1977
  • Recording tape cartridge23US 4,553,717 AHitachi Maxell, Ltd. · 1985
  • Tape cassette19US 4,214,719 ASony Corporation · 1980

Top assignees

Documents
  • Sony Corporation14
  • Fuji Photo Film Co., Ltd.7
  • TDK Corporation7
  • Hitachi Maxell, Ltd.4
  • Samsung Electronics Co., Ltd.3
  • SSony Corporation2
  • USU. S. Philips Corporation2
  • AGAgfa-Gevaert1
  • Hitachi, Ltd.1
  • MEMatsushita Electric Industrial Co., Ltd.1

Often classified with

  • Y10TTechnical subjects covered by former us classification1

Documents that also carry the other class.

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Search every US patent grant since 1976 and every published application since 2001. Updated weekly from USPTO.

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