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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...
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7050265 |
Negative pressure type rotary head drum unit and magnetic tape drive using the same
Disclosed herein is a rotary head drum unit including a cylindrical drum surface and a magnetic head for recording/reproducing a signal to/from a magnetic tape running along the drum surface. The...
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7006329 |
Magnetic tape head assembly with laterally moveable central section
A magnetic head assembly in a linear tape system. The magnetic head assembly includes a magnetic head having a central section, a first outrigger, and a second outrigger. The central section...
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6937435 |
Tape head with thin support surface and method of manufacture
According to one aspect, an exemplary method of manufacturing a magnetic head assembly with a predetermined wrap angle is described. The method includes removing a portion of a magnetic head...
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6722608 |
Porous air bearings for tape transports and method of fabrication thereof
An air bearing system for a tape transport ( 10 ) including air bearing ( 322 ) having portions ( 360 and 370 ) providing different flow rates of air to support the tape.
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6469867 |
Floating tape head having side wings for longitudinal and azimuth play back with minimized tape wrap angle
A tape recording and playback unit records and reads back data from tape either in a high track density standard format or alternatively reads back data from a tape previously recorded on another...
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6212040 |
Magnetic head having pole tips extending above and off a transverse width of an isolated mesa
A magnetic head that delays the onset of pole tip recession. Each read and write transducer protrudes out from a mesa, which in turn protrudes out of the magnetic head's tape bearing surface. The...
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6191919 |
Magnetic transducer with debris guiding channels having non-vertical sloping walls formed in a tape bearing surface
A magnetic head having a pair of longitudinal channels in a tape bearing surface that flank each transducer. The channels reduce the effective height of debris in the channels near the transducers....
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6122147 |
Negative pressure head contour in a linear tape recording system with tape deforming cavity
A magnetic head assembly in a linear tape system having an interface region having a substantially flat region with a substantially square leading edge and at least one cavity in the flat region....
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5969912 |
Bidirectional magnetic read/write recording head surface contour with plurality of Bernoulli Pocket cavities for generating very low media-to-head separations
A bi-directional magnetic recording/reproduce head surface contour that provides the lowest possible Head-to-Media separation at high media-to-head relative speeds with accompanying best condition...
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5434735 |
Recording/playback apparatus for controlling contact between a head and a magnetic tape by controlled spouting of air in the vicinity of the head
A recording/playback apparatus including a stationary drum on which a traveling magnetic tape is wound, a plurality of magnetic heads for recording and playing back data, a rotary portion which is...
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4825317 |
Mechanism for damping tape vibrations in a magnetic tape recorder
A mechanism for use with a magnetic tape recorder having a tape drive composed of take-up and take-off reels, of buffer chambers allocated thereto, and a single tape capstan arranged between the...
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4695909 |
Magnetic head assembly
A magnetic head for recording and reproducing information on and from a flexible magnetic recording tape. The active face of tape supporting protrusions formed in the magnetic head is so configured...
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4428011 |
Vented magnetic tape read head
A magnetic tape apparatus is disclosed in which the tape is held stationary on the surface of a drum while the drum is rotated at a high velocity, thereby providing an air bearing for supporting...
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4414592 |
Support for stabilizing the movement of a magnetic medium over a magnetic head
A coupler for a magnetic head includes a flat circumferential surface around the aperture in which the head is mounted and a circumferential orifice surface outside of and adjacent to the flat...
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4414593 |
Streaming cartridge tape drive
The following specification discloses a streaming cartridge tape drive, wherein magnetic tape in a cartridge is driven over a magnetic head for purposes of recording and reading information...
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4387408 |
Multi-speed magnetic recorder with wear resistance playback head
A magnetic tape recorder of the type wherein tape is transported at high speed during recording and at low speed during playback is described. The recorder has separate record and playback heads....
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4112472 |
Longitudinal scan, cam shaped, turntable rotor for magnetic recording
In a reel-to-reel longitudinally scanned tape transport or recorder, a length of media is positioned to fly in transducing relationship with a transducing head. The transducing head is mounted on a...
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4071863 |
Stationary magnetic tape transducing system with means for controlling the air bearing support
In an illustrated embodiment a magnetic transducing system utilizes a short length of magnetic tape as an electronic image store. The magnetic tape is held in an arcuate loop configuration by means...
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3947887 |
Transducer head contour and method of generating same
A head assembly for reading and writing data upon the magnetizable surface of passing tape. In its initial form the contour of the head comprises four bearing areas separated by three grooves or...
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3872507 |
ROTATING AIR BEARING HEAD WITH SHAPED CONTROL SLOTS
A magnetic recording and reproducing device is disclosed in which one magnetic head or a plurality of magnetic heads are so disposed upon a rotary drum as to extend beyond the outer peripheral...
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3823415 |
ROTARY MAGNETIC HEAD APPARATUS HAVING AN AIR-BEARING SUPPORTED HEAD WHEEL
Rotating head apparatus, for use in magnetic tape recording and/or reproduction, having an annular rotor or head wheel which is air-bearing supported radially and in opposing axial direction. The...
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3725606 |
ROTATING MAGNETIC TAPE HEAD HAVING AIR CUSHION SUPPORT FOR THE TAPE
A rotating head structure used in magnetic tape recorders such as those for storing digital data. The head assembly has a tape guiding groove and one or more recording and/or playback heads and is...
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3715521 |
RECORDER APPARATUS USING FLUID SUPPORT
A long-life, high-reliability magnetic tape recorder in which the relatively-moving parts of the system are separated from each other by fluid films. The recorder components are immersed in a fluid...
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3643037 |
SEPARATION CONTROL FOR RECORD MEDIA TRANSDUCER WITH TRANSVERSE SLOTS TO SUPPLY AMBIENT PRESSURE
Means for improving separation between a transducer operating surface and a moving record media. Nonuniform pressure distribution between the media and the operating surface produces a cocking...
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3582917 |
MAGNETIC HEAD HAVING A CONTINUOUSLY VARIABLE RADIUS OF CURVATURE
A magnetic head employing a fluid bearing between the head operating surface and a tape moving thereover, with the head surface configuration characterized by a continuously varying radius of...
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3533058 |
EDGE CURL CONTROL FOR A FLAT VACUUM HEAD
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3525087 |
FLEXIBLE MAGNETIC RECORD MEMBER PROFILE CORRECTION MEANS FOR ROTATING HEAD DRUM MEMORY SYSTEM
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3512145 |
AERODYNAMIC TRANSDUCER DISPLACED WITH RESPECT TO THE CENTER OF TAPE WRAP
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3510604 |
DRUM CONSTRUCTION FOR HELICAL SCAN TAPE RECORDER
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3465320 |
CONVEX-SURFACED VACUUM CONTROLLED AIR FILM
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3435442 |
FLUID LUBRICATED MAGNETIC TAPE TRANSDUCER
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3435441 |
FLUID LUBRICATED MAGNETIC TAPE TRANSDUCER
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3416148 |
Compound radius transducer head
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3414880 |
Source error correction for relatively moving signals
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3398870 |
Controlled air film bearing
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3327916 |
Vacuum controlled air film
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3172114 |
Magnetic recording device
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3170045 |
Hydrodynamically air lubricated magnetic tape head
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2984398 |
Apparatus for driving webs
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