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| Number | Title | Issue Date |
| 7277254 | Magnetic recording disk and process for manufacture thereof A magnetic recording disk having a substrate, a magnetic layer formed on the substrate, a protective layer formed on the magnetic layer and a lubricant layer formed on the protective layer, the lubricant layer containing a perfluoropolyether compound having an end m... | 10/02/2007 |
| 7092191 | Magnetic tape transport system generating air pressure between magnetic heads Disclosed is a magnetic tape transport system which has multiple magnetic heads arranged parallel to each other that a magnetic tape slides in contact with, and which has a structure to prevent a decrease in contact pressure between the magnetic tape and the magneti... | 08/15/2006 |
| 6903303 | Method and equipment for welding conductors to substrates A method of welding conductors to substrates with a stud attached to the substrate consists in welding to the substrate a stud which has the same composition by volume as the conductor and fastening the conductor to the stud by laser spot welding. ... | 06/07/2005 |
| 6466384 | Apparatus and method for reading magnetic images with an adjustable force pressure pad A device for reading magnetically encoded data on a document, such as a strip of characters printed in magnetic ink along the lower edge of a check, executes a subroutine to determine whether each character, as it is read, is legitimate. This error detect... | 10/15/2002 |
| 5903787 | Magnetic head apparatus with gimbaled load pad A gimbaled load pad mounting arrangement in which a rigid load pad is detachably mounted on the spherical end of a spring-loaded mounting shaft. The load pad is provided on the side with flexible retention hooks with finger portions that engage the unders... | 05/11/1999 |
| 5838523 | Magnetic head with reduced gap wear A magnetic head for use in an acoustic apparatus having first and second magnetic gaps provided between, and excluding, the head peak on the slidable surface of the magnetic tape and a tape departure point downstream of the running magnetic tape.... | 11/17/1998 |
| 5828506 | Magnetic head interface having a single narrow band of contact for longitudinal edge track record/reproduce on magnetics-on-film (MOF) Photographic apparatus for recording/reproducing information in a magnetic region along an edge of photographic film, the apparatus comprising: a magnetic head supported by said apparatus in contact with a magnetic region of film transported past the magnetic ... | 10/27/1998 |
| 5634729 | Magnetic reader with a flexible pressure film pressure pad A point of sale printer includes a magnetic reader for processing transactions and payment by check at a checkout point of a retail establishment. The printer includes a magnetic or MICR reader located at a predetermined point on the printer's document tr... | 06/03/1997 |
| 5589771 | Magnetic media head dynamic testing apparatus and method which operate by deforming a localized portion of magnetic media toward the head element A method and apparatus (10, 410) for testing magnetic media read/write head components such as a head element bar (46) and a slider assembly (546). The component to be tested is held in a head bar holding assembly (44) or an alternate head holding assembl... | 12/31/1996 |
| 5561573 | Method of assembling a tape cassette and securing a plate spring and shield plate therein A method of assembling a magnetic tape cassette, and a cassette are provided in which a magnetic shield plate and a plate spring having a pad attached thereto are incorporated very easily into upper and lower cassette halves and are free from chattering. ... | 10/01/1996 |
| 5519464 | Magnetics-on-film image area recording head with film flattening emulsion side support Magnetic recording and/or reproducing heads particularly for use for recording and reading information on a magnetics-on-film (MOF) layer in the image area of photographic filmstrips exhibiting a cross-film curvature in cameras or other filmstrip handling... | 05/21/1996 |
| 5477290 | Camera with magnetic head A camera for use with a photo film having a magnetic layer includes an exposure frame, behind which a film support plate supports the photo film. A magnetic head is disposed on the film support plate, and includes a shielding case, and a core provided wit... | 12/19/1995 |
| 5367581 | Magnetic reader with read head biased against document by resilient deflection of circuit board A document reader, such as a hand-fed check reader is described herein. The reader includes a transducer elastically supported relative to a circuit board. Components and circuitry to manipulate signals produced by (read head transducer), or applied to (w... | 11/22/1994 |
| 5309302 | System comprising a player and/or recorder apparatus and a tape cassette, and the apparatus and a cassette suitable for use in such a system A system comprises an apparatus (20) and a cassette (1) adapted to cooperate with each other. The apparatus comprises a magnetic-head unit (32) with a magnetic head (38), further tape guides (42, 44) and projections (48, 52). The cassette comprises a magn... | 05/03/1994 |
| 5307100 | Magnetic recording/reproducing apparatus for a camera having pressure roller A magnetic recording/reproducing apparatus for recording photographing information and print information on a magnetic recording layer formed on the back surface of a photographic film, and reading film information written in the magnetic recording layer.... | 04/26/1994 |
| 5274522 | Magnetic head-to-media backer device A magnetic head-to-media backer device comprising an elastically deformable reed-like backer member adapted to urge a flexible magnetic media into contact with a magnetic head, is characterized in that a rigid frame has a cavity defined at least by a pair... | 12/28/1993 |
| 5204795 | Magnetic recording and reproduction system having opposed magnetic heads A magnetic recording and reproduction system having magnetic heads opposing each other across a magnetic disk. The heads have shaped control portions to generate a negative pressure between the magnetic heads and the magnetic disk in association with rota... | 04/20/1993 |
| 5162962 | Magnetic recording apparatus having reduced friction sliding parts This invention relates to a magnetic recording apparatus which includes a magnetic head and device for moving a magnetic recording medium with respect to the magnetic head and makes recording to and reproduction from the magnetic recording medium, compris... | 11/10/1992 |
| 5142427 | Magnetic transducer pressure pad A pressure pad for urging a document against a magnetic recording head has an elastameric belt with a low friction, wear resistant coating which urges the document against the head.... | 08/25/1992 |
| 5138510 | Flap of video tape cassette and its installing structure The present invention relates to a flap which applies elastic pressure to the tape which runs in a Video Tape Cassette and its installing structure. The flap is formed by coating its both sides which use a PET(Polyethylene Terephthalate) film as the base with ... | 08/11/1992 |
| 5107384 | Magnetic recording and reproduction device having opposed magnetic heads A magnetic recording and reproduction device having magnetic heads opposing each other across a magnetic disk. The heads have shaped control portions to generate a negative pressure between the magnetic heads and the magnetic disk in association with rota... | 04/21/1992 |
| 5099377 | Pad support device incorporating leaf spring A pad support device for supporting a pad member which is to be pressed against a disk member accomodated in a jacket. A movable member is moved toward and away from the disk member. A plate member carries the pad member, and a leaf spring is formed such ... | 03/24/1992 |
| 5083231 | Ribbed cleaning apparatus for disk cartridges A disk cartridge including a rotatable disk, a cartridge case for housing the disk having upper and lower shells, and a cleaning wiper disposed between each surface of the disk and the respective upper and lower shells is disclosed. A lifter is mounted on... | 01/21/1992 |
| 5047884 | Magnetic head having a control portion for generating negative pressure A magnetic head having a control portion provided integrally with an opposing surface located opposing the recording surface of a magnetic disc or a head mount for generating a negative pressure between the control portion and the magnetic disc to attract... | 09/10/1991 |
| 5003423 | Vertical recording magnetic head A vertical recording magnetic head is disposed for movement close to or into sliding contact with a vertical recorded magnetic medium for purpose of magnetic recording and playback. To prevent the influences of external magnetic field upon a recording or ... | 03/26/1991 |
| 4998175 | Transducer-to-medium stabilizing device having a static pressure releasing arrangement for maintaining the transducer in a stable contact relationship with a recording medium A transducer-to-medium stabilizer assembled with a transducer in a recording and/or reproducing apparatus is disposed in an opposing relationship with a flexible storage disk which is used as an information recording medium. The stabilizer comprises first... | 03/05/1991 |
| 4972282 | Head carriage mechanism of a magentic disc drive including a wear resistance, low friction slide member A head carriage mechanism of a magnetic recording/reproducing apparatus including a single guide rod fixed on a frame of the apparatus, a head carriage having a first side in which the guide rod is passed through, a rack of teeth provided on the head carr... | 11/20/1990 |
| 4942492 | Wiping device for magnetic tape cassettes A wiping device for a magnetic tape cassette is provided with an elastic main body having a securing element cooperable with a cassette housing so that the main body can be mounted to and removed from the housing from the outside of the cassette without d... | 07/17/1990 |
| 4851941 | Disk drive apparatus having fine adjustment structure for disk pressing pad Disclosed is a disk drive apparatus in which relative positional relation of head and recording medium is optimized in order to assure the best condition for the recording and replay of picture. Namely, the height of pad can be changed so that the relativ... | 07/25/1989 |
| 4843508 | Cleaning cartridge for cleaning the drive head/drive wheel of a cartridge tape drive system A cleaning cartridge for cleaning the magnetic heads, tape scraper, and drive wheel of computer tape drives that use tape cartridges. The cleaning cartridge is adapted to be inserted into the tape drive and can simultaneously clean (1) the heads and tape ... | 06/27/1989 |
| 4814922 | Recording and reproducing apparatus using flexible disc A recording or reproducing apparatus includes a recording or reproducing head for recording or reproducing information in sliding contact with a rotating flexible disc, and a stabilizer member disposed opposite to the head with the disc put between them. ... | 03/21/1989 |
| 4780782 | Magnetic tape backing leaf spring particularly for magnetic tape cassettes A magnetic tape backing leaf spring which includes a reed element comprising a working portion engageable directly with a tape and two supporting portions connected to the working portions by two stepped zones, the working portion getting elastically defo... | 10/25/1988 |
| 4777551 | Magnetic head supporting mechanism for flexible double-sided magnetic disks A mechanism for supporting magnetic heads has gimbal plates which support both magnetic heads in such a manner than the magnetic heads oppose to each other across a flexible double-sided magnetic disk. The magnetic heads are resiliently pressed onto the m... | 10/11/1988 |
| 4750073 | Magnetic recording/reproducing apparatus A magnetic recording/reproducing apparatus, which performs at least one of the two functions of recording and reproducing by using a flexible magnetic recording medium with a magnetic recording layer of a thin metal film, and which has a magnetic head, a ... | 06/07/1988 |
| 4750066 | Grounding for magnetic head unit in a plastic mount Magnetic head unit (1) in a plastic mounting (3) which encloses the magnetic head casing (30) behind the head face (4). The plastic mounting (3) has tape guide elements (7) which guide the magnetic tape moved along the head face (4) in the correct azimuth... | 06/07/1988 |
| 4747006 | Magnetic head having fluid pressure means A magnetic head comprises a magnetic pole placed at a position to effect a magnetic function to a magnetic recording medium to be driven; a medium supporter which is placed opposing the magnetic pole with respect to the magnetic recording medium with a ce... | 05/24/1988 |
| 4740852 | Disk presser mechanism for use in magnetic recording and reproducing apparatus A disk presser mechanism in a magnetic recording and reproducing apparatus includes a rotatable turntable, a clamp member for clamping a disk on the turntable, a clamp arm supporting the clamp member and movable toward and away from the turntable, a drive... | 04/26/1988 |
| 4734809 | Stabilizing member for a flexible disc in a recording and/or reproducing apparatus In a recording and/or reproducing apparatus of the kind having a recording and/or reproducing head arranged to be shiftable in the radial direction of a flexible disc, which is used as a record bearing medium, and a disc stabilizing member which is provid... | 03/29/1988 |
| 4710837 | Magnetic head device including magnetic media biasing and positioning means A magnetic head device for use with a disc-shaped magnetic recording medium, for example, includes a thin-film magnetic recording and reproducing head and a biasing magnetic head mounted in a positioning member for applying a magnetic field to the magneti... | 12/01/1987 |
| 4663687 | Magnetic tape drive with improved tape to head compliance Tape-to-head compliance in a bidirectional magnetic tape drive is substantially improved in both directions by pivotally mounting the pressure pads. Friction between the moving tape and the pressure pads causes the pads to rotate slightly, the leading por... | 05/05/1987 |
