| Patents for G11B 33 - Constructional parts, details or accessories not provided for in the other groups of this subclass (27,271) | 
|---|
| 04/23/1991 | US5010426 Installation mechanism for removable computer drive module | 
| 04/23/1991 | US5010422 Driving system for endless video tape by one-touch timer | 
| 04/23/1991 | US5010246 Optical head apparatus applicable to optical disc apparatus | 
| 04/18/1991 | WO1991005334A1 Disc drive with spindle motor rotor configuration in a removable disc cartridge | 
| 04/18/1991 | WO1991004926A2 Disk shipper | 
| 04/17/1991 | EP0422318A1 Flat case and clip therefor | 
| 04/17/1991 | EP0363419A4 Latch mechanism for disk drives | 
| 04/16/1991 | US5008552 Data recording and reproducing apparatus for an optical card | 
| 04/16/1991 | US5007256 Cartridge operated entertainment system with removal deterrent device for preventing unauthorized use | 
| 04/16/1991 | CA1283204C Disk drive locking device | 
| 04/12/1991 | CA2004006A1 Cd case clip handler | 
| 04/11/1991 | DE3933674A1 Counting system for CD disc use - is built into turntable and is triggered each time system is used | 
| 04/11/1991 | DE3933091A1 Lock unit for computer system - has disc and tape drives protected by cover plate that is locked in position | 
| 04/10/1991 | EP0421847A1 Fastening device for computer peripheral units | 
| 04/10/1991 | EP0421591A2 Method for depositing a protective film on a disk file slider | 
| 04/09/1991 | US5007091 Procedure and device for facilitating audiovisual observation of a distant object | 
| 04/09/1991 | US5005708 A rectangular | 
| 04/04/1991 | WO1991004558A1 Housing for storing a recording support such as a magnetic tape cassette, laser disc or the like | 
| 04/04/1991 | WO1991004387A1 Anti-theft device | 
| 04/03/1991 | EP0420350A1 Package for at least one disc provided with a central centre hole | 
| 04/03/1991 | CN2074491U Pocket recorder | 
| 04/02/1991 | US5004207 Shock mounting structure and magnetic disk apparatus | 
| 04/02/1991 | CA1282492C Disk file with in-hub motor | 
| 03/27/1991 | EP0419345A2 Magnetic disk storage apparatus with improved vibration resistance | 
| 03/27/1991 | EP0419022A2 Disk storage apparatus | 
| 03/27/1991 | CN1012229B Positioning transportation tape for positioning reproducing many of disc records and simple gramophone | 
| 03/26/1991 | US5003417 Magnetic tape cassette | 
| 03/26/1991 | US5001809 Door apparatus with damper switch | 
| 03/26/1991 | CA1282103C Box | 
| 03/20/1991 | EP0417886A2 Disk storage/select player | 
| 03/20/1991 | EP0417860A2 Portable liquid-crystal TV set with a video recorder/player | 
| 03/20/1991 | EP0417726A2 Optical disk cartridge | 
| 03/20/1991 | EP0417110A1 Method of assembling a disk file. | 
| 03/20/1991 | CN1050107A Leaf spring for supporting reels of a video tape cassette | 
| 03/19/1991 | US5000316 Optically readable disc case | 
| 03/13/1991 | EP0416797A2 Loading apparatus for a disc-shaped record medium | 
| 03/13/1991 | EP0239616B1 Apparatus including a mechanism housing and a protective cover therefor | 
| 03/12/1991 | US4999745 Electrical equipment chassis unit | 
| 03/12/1991 | US4999724 Disk drive having an electrically isolated disk stack | 
| 03/06/1991 | EP0415696A2 Multi-unit storage carriers for disc-shaped containers | 
| 03/06/1991 | EP0415492A2 Recording and/or reproducing apparatus | 
| 03/05/1991 | US4997032 Thermal transfer bag | 
| 02/28/1991 | DE4026576A1 Camcorder with different image reception modes - has switching device for selecting required mode with determination of exposure or shutter dia. | 
| 02/28/1991 | DE3927939A1 Container for tape cassette - has hinged sections with controlled action to avoid ejection of cassette on opening | 
| 02/27/1991 | EP0414579A2 A carriage servo unit in a disk player | 
| 02/27/1991 | EP0414306A1 Storage cassette for a disc having a centre hole | 
| 02/26/1991 | CA1280822C Disk file with air filtration system | 
| 02/21/1991 | WO1991002350A1 Floppy maintenance disk for a computer disk drive | 
| 02/21/1991 | WO1991002349A1 Architecture for 2-1/2 inch diameter single disk drive | 
| 02/20/1991 | CN1049423A Linear actuator for a disk file | 
| 02/19/1991 | US4993552 Packaging device | 
| 02/14/1991 | DE3926602A1 case for data storage devices - allows indication of presence of storage device and recording and playback of data | 
| 02/13/1991 | EP0412462A2 Audio/video apparatus with foldable flat screen | 
| 02/13/1991 | CN1011641B Combination of magnetic-tape-cassette apparatus | 
| 02/12/1991 | US4992893 Alignment disk for magnetic disk driving apparatus and method and apparatus for verifying tracking error of the magnetic disk driving apparatus | 
| 02/12/1991 | US4992879 Image pick-up apparatus | 
| 02/12/1991 | US4992128 Method of making holder for flat objects such as computer disks | 
| 02/12/1991 | US4991888 Child-proofing device for tape cassette players | 
| 02/07/1991 | WO1991001552A1 Cooling body for an element to be cooled | 
| 02/06/1991 | CN2070943U Sealing and opening clip for floppy disk writing cutaway protection | 
| 02/05/1991 | US4991211 Integrated driving system for signal-processing devices | 
| 01/30/1991 | EP0409885A1 Anti-theft device for an entertainment system | 
| 01/24/1991 | DE3923107A1 Recording and playback appts. for data disc. e.g. CD - uses combination of spring and arms to retain disc in position and resist vibration | 
| 01/23/1991 | EP0409816A2 Optical system for aiming apparatus using a laser diode | 
| 01/23/1991 | EP0409110A2 System for identifying information on optical discs | 
| 01/23/1991 | CN1048763A Dissipator for cooling elements | 
| 01/22/1991 | US4987514 Method and apparatus for preventing parasitic electrical discharges in magnetic disk drives | 
| 01/22/1991 | US4986415 Box for the storage, display and selection of diskettes or other magnetic members | 
| 01/22/1991 | CA1279182C Conductive coatings and foams for anti-static protection, energy absorption, and electromagnetic compatability | 
| 01/16/1991 | EP0407398A1 Removable cartridge disc drive with radial arm voice coil actuator | 
| 01/15/1991 | US4985884 Disk shaped recording reproduction device | 
| 01/15/1991 | US4985883 Apparatus for imparting sound and movement to an ornament | 
| 01/15/1991 | US4985785 Rotary head type reproducing apparatus | 
| 01/15/1991 | US4984909 Bearing device | 
| 01/10/1991 | WO1991000682A1 Stand for audio components | 
| 01/10/1991 | WO1991000594A1 Method for compensating for the unique mechanical and electrical characteristics of a disc drive | 
| 01/10/1991 | DE4019658A1 Vertical axis pin motor for magnetic data disc - has rotor combined with hub supported from axis pin via facing rotary bearings | 
| 01/10/1991 | DE3920024A1 Piloteltive housing for portable radio or tape cassette record - has transparent sealed housing containing solar cells and unit | 
| 01/09/1991 | EP0406687A2 Video camera having DC power source light | 
| 01/08/1991 | US4984115 Rotary actuator and bearing support therefor | 
| 01/02/1991 | CN1011094B Rotational magnetic head device | 
| 01/01/1991 | US4982399 Information processing apparatus | 
| 01/01/1991 | US4982303 Removable hard disk drive having a combination latch, lever and handle | 
| 01/01/1991 | US4982300 Restrictively damped actuator mount for disc drives | 
| 01/01/1991 | US4982291 Electronic still video camera capable of searching desired picture in simple and quick manner | 
| 12/26/1990 | CN2067929U Multi-purpose videocorder tape stand | 
| 12/25/1990 | US4980786 Method and apparatus for improved thermal isolation and stability of disk drives | 
| 12/25/1990 | US4980785 Disk drive slot dust protector | 
| 12/25/1990 | US4979909 Release apparatus for computer mass storage devices | 
| 12/19/1990 | EP0402960A2 Disc drive isolation system | 
| 12/18/1990 | US4979161 Disc-record player with a loading device for loading a disc into the record player | 
| 12/18/1990 | US4979062 Disk drive architecture | 
| 12/18/1990 | US4979055 Disk drive system controller architecture utilizing embedded real-time diagnostic monitor | 
| 12/18/1990 | US4978005 Disc container assembly | 
| 12/18/1990 | US4977762 Locking device for a video cassette recorder and/or player | 
| 12/18/1990 | CA1278091C Disc cartridge | 
| 12/13/1990 | WO1990015411A1 Packaging unit for compact disc or the like | 
| 12/13/1990 | DE3918619A1 Cassette recorder with electronic tape control - uses tape counter, control circuitry and memory to determine position of tape | 
| 12/12/1990 | EP0401475A2 Recording medium player apparatus | 
| 12/11/1990 | US4977455 System and process for VCR scheduling |