| Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826) |
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| 06/17/1991 | WO1991009398A1 Drive chassis for a magnetic tape recorder |
| 06/13/1991 | WO1991008578A1 Process for sputtering multilayers for magneto-optical recording |
| 06/13/1991 | DE4039007A1 IR temp. measuring appts. - produces IR image for conversion into IR temp. distribution data |
| 06/13/1991 | DE4038325A1 Data writing onto magnetic disc - holding data in cache memory and transferring onto tracks on multiple discs |
| 06/13/1991 | DE3940810A1 Erase head supply for video recorder - has switched supply that provides seventy kHz signal for erase head |
| 06/13/1991 | DE3153617C2 Helical scan VTR audio recording method |
| 06/12/1991 | WO1991009275A2 Integrated vehicle positioning and navigation system, apparatus and method |
| 06/12/1991 | EP0432145A2 Magnetic disc device |
| 06/12/1991 | EP0432056A1 Character information display system of cassette player and a method thereof |
| 06/12/1991 | EP0431936A1 Magnetic recording and reproducing apparatus |
| 06/12/1991 | EP0431860A2 A tape player having a rotary head |
| 06/12/1991 | EP0431858A2 Magnetic recording medium |
| 06/12/1991 | EP0431857A2 Vertical magnetic recording medium and method of manufacturing the same |
| 06/12/1991 | EP0431806A2 Solid state scanning transducer that utilizes low flux densities |
| 06/12/1991 | EP0431787A2 Self-synchronizing servo control system and servo data code for high density disk drives |
| 06/12/1991 | EP0431647A2 Apparatus for evaluating a scanning locus of a rotary head |
| 06/12/1991 | EP0431633A2 Magnetic transducer head for narrow track width recording |
| 06/12/1991 | EP0431630A2 Process for producing multi-layered magnetic recording media |
| 06/12/1991 | EP0431577A2 Data transducer positional apparatus |
| 06/12/1991 | EP0431061A1 Training method and apparatus with audio and digital signals recording and play back |
| 06/12/1991 | CN1012859B Recorder of preventing erase head move into direction of magnetic tape breadth |
| 06/12/1991 | CA2071831A1 Integrated vehicle positioning and navigation system, apparatus and method |
| 06/11/1991 | US5023862 Apparatus for locking a pickup unit of a disc player for a vehicle |
| 06/11/1991 | US5023738 Corrosion resistant magnetic recording read |
| 06/11/1991 | US5023737 Disc drive slider lifter using shape memory materials |
| 06/11/1991 | US5023736 Magnetic latch for disk drive actuator |
| 06/11/1991 | US5023735 Magnetic head support device with double gimbal structure |
| 06/11/1991 | US5023734 Cylindrical rotary transducer |
| 06/11/1991 | US5023733 Head positioning control for a spindle motor disk drive |
| 06/11/1991 | US5023732 Magnetic disk apparatus having a circuit for detecting the position of servo information recorded on a magnetic disk |
| 06/11/1991 | US5023731 Magnetic recording and playback apparatus |
| 06/11/1991 | US5023498 Flexible circuit board for motor position adjustment |
| 06/11/1991 | US5023148 Alloy with tungsten and tontalum over substrate having chromium surface; high performance digital |
| 06/11/1991 | US5023135 Magnetic recording medium which contains a binder of nitrogen containing vinyl chloride polymer and an amino group containing polyurethane |
| 06/11/1991 | US5022141 Method for manufacturing multiturn thin film coil |
| 06/11/1991 | US5022140 Method of manufacturing magnetic head |
| 06/11/1991 | CA1284840C Magnetic recording and reproducing device |
| 06/11/1991 | CA1284839C Magnetic transducer head structure |
| 06/09/1991 | CA2030917A1 Solid state scanning transducer that utilizes low flux densities |
| 06/06/1991 | DE3940129A1 Erase head power circuit for video recorder - uses DC power source with parallel tuned circuit to provide AC for erasure |
| 06/05/1991 | WO1991008647A1 Split swipe tape recording |
| 06/05/1991 | EP0430717A2 Improvements in, or relating to tape duplicator systems |
| 06/05/1991 | EP0430672A2 Magnetoresistive transducer |
| 06/05/1991 | EP0430613A2 Apparatus for reproducing digital and analogue audio signals |
| 06/05/1991 | EP0430579A2 Fluoroaliphatic-group-substituted esters and method of making the same |
| 06/05/1991 | EP0430504A2 Soft magnetic alloy films |
| 06/05/1991 | EP0430498A2 Magnetic disc |
| 06/05/1991 | EP0430457A2 Method and apparatus for qualifying data pulses in a raw data signal produced by a magnetic transducer |
| 06/05/1991 | EP0430427A2 Digital signal equalizing circuits |
| 06/05/1991 | EP0430407A2 Integrated magnetic read/write head/flexure/conductor structure |
| 06/05/1991 | EP0430378A2 Lightweight rigid compact configuration for the voice coil carriage and printed circuit cable in a disc drive |
| 06/05/1991 | EP0430268A2 Magnetic recording and playback apparatus |
| 06/05/1991 | EP0430265A2 Magnetic tape reproducing system having analogue digital compatibility |
| 06/05/1991 | EP0429993A2 Method of forming thin film containing boron nitride, magnetic head and method of preparing said magnetic head |
| 06/05/1991 | EP0429598A1 Multitrack recording magnetic head with a compact matrix structure. |
| 06/05/1991 | CN2078481U Cleaning device for video head (video head drum) |
| 06/05/1991 | CN2078480U Portable liquid crystal displayed karaoke player |
| 06/05/1991 | CN1051997A Method and apparatus for qualifying data pulses in raw data signal produced by magnetic transducer |
| 06/05/1991 | CN1012765B Magnetic recording and reproducing method |
| 06/05/1991 | CA2068647A1 Split swipe tape recording |
| 06/04/1991 | US5022018 System for applying a perpendicular magnetic field to the illuminated side of a magneto-optic medium |
| 06/04/1991 | US5022017 Magneto optic data recording system with variable field strength, actuator therefor and method of providing |
| 06/04/1991 | US5021912 Apparatus for cleaning the recording/playing head, capstan and pinch roller of a cassette type audio recorder/player |
| 06/04/1991 | US5021911 Cleaning cassette |
| 06/04/1991 | US5021910 Buried servo magnetic head |
| 06/04/1991 | US5021909 Yoke type thin-film magnetic head and method for suppressing Barkhausen noise |
| 06/04/1991 | US5021908 Magnetic head component mounting system |
| 06/04/1991 | US5021907 Gimbal spring for supporting a magnetic transducer and making electrical contact therewith |
| 06/04/1991 | US5021906 Programmable air bearing slider including magnetic read/write element |
| 06/04/1991 | US5021898 Head positioning control method and apparatus |
| 06/04/1991 | US5021895 Method and magnetic head for recording signals magnetically |
| 06/04/1991 | US5021893 High speed tape duplicating machine |
| 06/04/1991 | US5021820 Order entry process for magnetically encodable film with dedicated magnetic tracks |
| 06/04/1991 | US5021292 Excellent binding power for ferromagnetic particle |
| 06/04/1991 | US5020879 Flexible replica grating |
| 06/04/1991 | US5020213 Method of producing a head core slider |
| 06/04/1991 | US5020212 Method of manufacturing a magnetic head |
| 06/01/1991 | CA2004359A1 Programs generating process used for the psychological training of persons, particularly while they are asleep |
| 05/30/1991 | WO1991007720A1 Method and apparatus for magnetic recording of data |
| 05/30/1991 | WO1991007520A1 Method and apparatus for thin film formation, device, electro-magnetic apparatus, data recording/reproduction apparatus, signal processor, and method of producing molten crystal |
| 05/30/1991 | CA2031104A1 Magnetic recording apparatus |
| 05/29/1991 | EP0429280A2 A magnetic recording medium |
| 05/29/1991 | EP0429179A2 Polymeric film |
| 05/29/1991 | EP0429079A2 Disk device with cleaning device, and cleaning method |
| 05/29/1991 | EP0428677A1 Magnetic field modulation control circuit for recording a magneto-optic memory. |
| 05/29/1991 | EP0428617A1 Dual deck videocassette recorder system |
| 05/29/1991 | EP0428528A1 Data security device. |
| 05/29/1991 | DE4034951A1 Construction magnetic head - uses sintered metal powder in protective housing to shield head |
| 05/29/1991 | CN1051811A Ultra low-speed recording method and apparatus using common tape recorder |
| 05/28/1991 | US5020040 Overwriting system for magneto-optical recording with self timing track |
| 05/28/1991 | US5019932 Hard disk drive having a carriage lock mechanism |
| 05/28/1991 | US5019931 Mechanism for suspending a head slider of a recording apparatus |
| 05/28/1991 | US5019930 Negative-pressure type magnetic head slider, and method of producing the same |
| 05/28/1991 | US5019929 Magnetic media duplication system |
| 05/28/1991 | US5019926 Magnetic-head unit including rotary and stationary transformer sections and amplifier arrangement |
| 05/28/1991 | US5018679 Magnetic recording medium wind-up method |
| 05/28/1991 | US5018311 Magnetic disk burnishing method and apparatus |
| 05/22/1991 | EP0428325A2 Positioning separate read and write heads in a disk file |
| 05/22/1991 | EP0428289A2 Magnetic head suspension assembly in a disk drive |
| 05/22/1991 | EP0428288A2 An actuator structure for a magnetic head suspension assembly in a disk drive |