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Class Information
Number: 360/133
Name: Dynamic magnetic information storage or retrieval > Record medium > In container > For disk
Description: Subject matter wherein the record is in the form of a disk.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4739433 |
Method of cleaning magnetic recording disk of magnetic recording disk cartridge |
Apr. 19, 1988 |
| 4739434 |
Disk cartridge having a hub including a stepped portion |
Apr. 19, 1988 |
| 4737876 |
Write protect device for a record disk assembly |
Apr. 12, 1988 |
| 4736357 |
Recording and/or reproducing apparatus |
Apr. 5, 1988 |
| 4734145 |
Method for making a magnetic transducer head cleaning card |
Mar. 29, 1988 |
| 4734796 |
Technique for preventing unauthorized copying of information recorded on a recording medium and a protected recording medium |
Mar. 29, 1988 |
| 4734813 |
Clamper holding mechanism for positioning an information recording disk |
Mar. 29, 1988 |
| 4734814 |
Plural disk cartridge arrangement |
Mar. 29, 1988 |
| 4734815 |
Disc cartridge with a cleaning mechanism |
Mar. 29, 1988 |
| 4729047 |
Disk driving device for a disk cartridge |
Mar. 1, 1988 |
| 4724962 |
Disk jacket |
Feb. 16, 1988 |
| 4724501 |
Jacket for floppy disk |
Feb. 9, 1988 |
| 4722439 |
Disc receiving tray and a combination of such a tray with a storage cassette |
Feb. 2, 1988 |
| 4722017 |
Static reduction in magnetic record disk assemblies |
Jan. 26, 1988 |
| 4717981 |
Hard disc cartridge arrangement with an automatically activated door |
Jan. 5, 1988 |
| 4714973 |
Shutter assembly for use in a disc cartridge |
Dec. 22, 1987 |
| 4713705 |
Means and methods for improved transducing of flexible disk packs |
Dec. 15, 1987 |
| 4709816 |
Recording disc cartridge |
Dec. 1, 1987 |
| 4710839 |
Magnetic disc cartridge |
Dec. 1, 1987 |
| 4709283 |
Recording disk centering and clamping apparatus |
Nov. 24, 1987 |
| 4707752 |
Spacer means on floppy disks and associated techniques |
Nov. 17, 1987 |
| 4707819 |
Disc driving device |
Nov. 17, 1987 |
| 4704179 |
Process for producing magnetic discs |
Nov. 3, 1987 |
| 4704181 |
Apparatus for fabricating computer disks |
Nov. 3, 1987 |
| 4704649 |
Magnetic disk cartridge |
Nov. 3, 1987 |
| 4700245 |
Drive pin for a data transfer apparatus with a disklike record medium |
Oct. 13, 1987 |
| 4698714 |
Flexible magnetic disc cassette |
Oct. 6, 1987 |
| 4698715 |
Magnetic recording disk having center core secured by a base-less double-sided adhesive tape |
Oct. 6, 1987 |
| 4697216 |
Disk drive apparatus with automatic centering arrangement |
Sep. 29, 1987 |
| 4695910 |
Recording disc cartridge having an improved hub assembly |
Sep. 22, 1987 |
| 4695911 |
Floppy diskette protection device |
Sep. 22, 1987 |
| 4695912 |
Dustproof liner for a magnetic disc cartridge |
Sep. 22, 1987 |
| 4694362 |
Device for loading or unloading magnetic disc pack |
Sep. 15, 1987 |
| 4694370 |
Magnetic disk cartridge |
Sep. 15, 1987 |
| 4694448 |
Disc case |
Sep. 15, 1987 |
| 4692831 |
Disc cartridge having positive isolation means when in storage |
Sep. 8, 1987 |
| 4689705 |
Counter device for a magnetic recording disk cartridge |
Aug. 25, 1987 |
| 4688127 |
Magnetic recording disk cartridge with locking member |
Aug. 18, 1987 |
| 4688129 |
Protective jacket for a disk-shaped recording medium |
Aug. 18, 1987 |
| 4688206 |
Device for opening and closing a shutter member of a disk cartridge |
Aug. 18, 1987 |
| 4686666 |
Flexible micro disk |
Aug. 11, 1987 |
| 4685017 |
Write/protect tab assembly for a floppy disc jacket and method for assembling same |
Aug. 4, 1987 |
| 4683505 |
Alternately centered disk pack assembly and method |
Jul. 28, 1987 |
| 4682257 |
Micro floppy disc head cleaner |
Jul. 21, 1987 |
| 4682260 |
Magnetic disk cartridge |
Jul. 21, 1987 |
| 4682322 |
Disk cartridge |
Jul. 21, 1987 |
| 4680661 |
Magnetic disk cartridge |
Jul. 14, 1987 |
| 4680662 |
Disk cartridge having a shutter mechanism |
Jul. 14, 1987 |
| 4679106 |
Spring loaded ejector for disc cartridge |
Jul. 7, 1987 |
| 4677516 |
Disk cartridge having elastic pieces |
Jun. 30, 1987 |
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