| Patents for G11B 17 - Guiding record carriers not specifically of filamentary or web form, or of supports therefor (20,090) |
|---|
| 01/20/1981 | US4246618 Floppy disc drive unit |
| 01/13/1981 | US4245266 Arrangement for automatically loading a floppy disc into a floppy disc drive unit |
| 01/06/1981 | CA1092989A1 Spindle adaptors |
| 12/23/1980 | US4241240 Optical information recording apparatus |
| 12/16/1980 | US4239238 Record extracting mechanism for caddy type video disc player |
| 12/16/1980 | US4239108 Video disc caddy |
| 12/11/1980 | WO1980002769A1 Isolated multiple core magnetic transducer assembly |
| 12/11/1980 | WO1980002768A1 Gas circulation and filtration apparatus for magnetic disc recording systems |
| 12/02/1980 | US4237503 Semi-rigid magnetic recording disk module |
| 12/02/1980 | CA1090710A1 Phonograph record lowering and lifting mechanism |
| 11/25/1980 | US4236232 Optical read apparatus for reading a disc-shaped record carrier |
| 11/18/1980 | US4234195 Apparatuses for reproducing signals from rotary recording mediums |
| 11/12/1980 | EP0018429A1 Device for the vibration-free engagement of a gramophone disc with the turntable of a record player |
| 11/11/1980 | US4232870 Clamping device for a rotatable information carrying record |
| 10/21/1980 | US4229774 Self-adapting flow restrictors |
| 10/14/1980 | US4227699 Manual scanning mechanism for video disc player |
| 10/07/1980 | US4226570 Blocker for magnetic diskette gripper |
| 10/07/1980 | US4226424 Player latching and unlatching mechanism for video disc holder |
| 10/01/1980 | EP0016185A1 Automatic apparatus for changing records |
| 09/30/1980 | US4225141 Mechanism for aiding carriage return in video disc player |
| 09/23/1980 | US4224648 Disc centering |
| 09/16/1980 | US4223359 Flexible magnetic disk recording apparatus |
| 09/02/1980 | US4220340 Constant drag carriage translating mechanism for video disc player |
| 09/02/1980 | US4220339 Caddy-actuated declutching mechanism for video disc player |
| 09/02/1980 | US4220338 Video disc player having modular construction |
| 08/20/1980 | EP0014231A1 Information storage apparatus |
| 08/19/1980 | US4218065 Arrangement for centering, aligning and retaining a rotating record |
| 08/19/1980 | CA1084161A1 Data storage apparatus |
| 08/12/1980 | US4216969 Carriage translating apparatus for video disc player |
| 08/06/1980 | EP0013712A1 Gripping mechanism for magnetic diskette |
| 08/05/1980 | US4216511 Flexible magnetic recording disc with cartridge having a latching drive member |
| 08/05/1980 | US4216510 Drive apparatus for magnetic discs |
| 07/23/1980 | EP0013472A1 Removable cover for video disk and a video disk and player system for use with a disk having a removable cover |
| 07/22/1980 | US4214286 Flexible disk pack and improved transducing-manipulation thereof |
| 07/22/1980 | US4214280 Method and apparatus for recording data without recording on defective areas of a data recording medium |
| 07/15/1980 | CA1081846A1 Head mounting for disc recorder |
| 07/09/1980 | EP0012844A1 Transducer carriage assembly |
| 07/09/1980 | EP0012842A2 Magnetic transducers |
| 07/08/1980 | US4211421 Video disc player having adjustable end-of-play switch |
| 07/08/1980 | CA1081360A1 Procedure for tightening tape wraps on a spindle |
| 07/01/1980 | US4210941 Data-recording device |
| 06/17/1980 | US4208684 Damper for constant load arm |
| 06/17/1980 | US4208683 Frusto-conical magnetic recording disc |
| 06/17/1980 | US4208682 Positioner cone for flexible disks |
| 06/17/1980 | US4208681 Cartridge type record player having a three position holder |
| 06/17/1980 | US4208678 Stabilized rotation of flexible disk files |
| 06/17/1980 | CA1079849A1 Transducer support and stabilizer |
| 06/10/1980 | US4206926 Video disc player having record size identification apparatus |
| 06/10/1980 | CA1079396A1 Stepper for slow motion disc recorder |
| 06/03/1980 | US4205853 Record side identification apparatus for video disc player |
| 05/28/1980 | EP0011425A1 A method for accessing a disc in a flexible disc memory |
| 05/27/1980 | US4205357 Disk drive unit incorporating a field-replaceable fixed disk assembly |
| 05/27/1980 | US4205355 Flexible disk drive apparatus |
| 05/27/1980 | US4204686 Phonograph record protective cushion |
| 05/27/1980 | CA1078511A1 Process for controlling the starting and stopping of the reading of a recording support |
| 05/27/1980 | CA1078303A1 Phonograph record player/changer |
| 05/14/1980 | EP0010606A1 Flexible disk pack assembly |
| 05/14/1980 | EP0010605A1 Magnetic disk drive apparatus |
| 05/13/1980 | CA1077620A1 Storage disk and read/write system |
| 05/01/1980 | WO1980000892A1 Educational magnetic reproduction apparatus |
| 04/30/1980 | EP0010172A2 Magnetic disk file machine |
| 04/29/1980 | US4200294 Automatic record player capable of changing discs automatically |
| 04/22/1980 | US4199820 Random access storage apparatus with a movable recording medium |
| 04/22/1980 | CA1076254A2 Disc drive linear actuator and control system therefor |
| 04/22/1980 | CA1076034A1 Record player |
| 04/15/1980 | CA1075808A1 Flexible disc recorder with skewed transducer transport |
| 04/15/1980 | CA1075615A1 Pneumatic record player |
| 04/08/1980 | US4197359 Hub for a disk storage medium |
| 04/08/1980 | US4197011 Defect detection and plotting system |
| 04/08/1980 | US4196907 Record player |
| 04/08/1980 | US4196906 Video disc player |
| 04/08/1980 | CA1075359A1 Record player, in particular, a video player, for playing disc-shaped records provided with information tracks |
| 04/02/1980 | EP0009130A1 Device for producing a gap between flexible recording media anywhere in a rotating stack of magnetic discs |
| 04/01/1980 | US4195848 Spindle adaptors |
| 03/25/1980 | US4195322 Record/playback head and data storage apparatus therefor |
| 03/25/1980 | US4195321 Apparatus for loading a plurality of floppy disks in a reading and/or writing unit |
| 03/25/1980 | CA1074441A1 Access to floppy disk stack |
| 03/25/1980 | CA1074422A1 Record storage apparatus employing enhanced transducer positioning servomechanisms |
| 03/20/1980 | WO1980000508A1 Automatic apparatus for changing records |
| 03/19/1980 | EP0008690A1 Flexible disk pack assembly |
| 03/18/1980 | US4194228 Magnetic disc housing with means to prevent radial disc shift |
| 03/18/1980 | US4194225 Housing for disk drive unit |
| 03/18/1980 | US4194224 Disk indicator and ejector |
| 03/18/1980 | CA1074008A1 Apparatus for detachably mounting a record sheet in place in a sheet type recorder/player |
| 03/11/1980 | US4193102 Disk file machine with cable connection to transducers |
| 03/11/1980 | US4193101 Collet loading apparatus |
| 03/04/1980 | US4191981 Record storage apparatus employing enhanced transducer positioning servomechanisms |
| 03/04/1980 | US4191980 Transducers with tapered edge profiles and assembly thereof |
| 03/04/1980 | US4191381 Apparatus for facilitating carriage return in video disc player |
| 03/04/1980 | US4191380 Video disc player having unitary record handling platform construction |
| 02/19/1980 | US4189759 Cantilevered head support arm having increased resonance frequency |
| 02/19/1980 | CA1072208A1 Fixed head, direct access storage device |
| 02/19/1980 | CA1072206A1 Storage device utilizing flexible magnetic disks |
| 02/12/1980 | US4188650 Diskette with access cover means |
| 02/12/1980 | CA1071767A1 Video disc player for playing records of different thickness |
| 01/23/1980 | EP0007199A1 Method and apparatus for information retrieval from an optically readable storage medium |
| 01/22/1980 | US4185314 Record disk cartridge having eject spring within cartridge |
| 01/22/1980 | US4185313 Disc memory module dust shield |
| 01/22/1980 | US4185311 Partition of high performance floppy pack and associated means |
| 01/15/1980 | US4184184 Cartridge with improved access door closing means |