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7394618 System and method for cleaning a tape drive  
A system, a method, and article of manufacture are employed to clean the input/output transducers on tape drives, verified by the tape drives reading alphanumeric information from data tracks and...
6934098 Data card with a full circular track for alignment and amplitude calibration  
This invention discloses a flat data storage medium that includes a plurality of substantially parallel data arc-segments. The data arcs further include at least one full circle data track provided...
6680808 Magnetic millipede for ultra high density magnetic storage  
The present invention relates to computer storage systems which have a tip ( 24 ) directed close or in contact to the storage medium ( 10 ) by which bit-writing and bit-reading is enforced. It is...
6417980 Magnetic data card servo writer  
This invention discloses a magnetic servo writer. The magnetic servo writer includes a magnetic pickup head for rotationally moving over and writing servo data in a magnetic flat data-storage...
6356406 Magnetic storage system  
A multi-pattern is formed to have a plurality of read/write elements on a plane. A medium is formed on a single crystal of Si substrate. A motion of the head relative to the medium is made a simple...
6282776 Magnetic head and method of manufacturing the same  
There is provided a magnetic head which is able to enhance the magnetic field intensity to be generated by shaping a magnetic pole, and a method of manufacturing the same. The method of...
5981055 Tape-type magnetic recording medium and signal reproducing method using the same  
A tape-type magnetic recording medium is disclosed which is adaptable to a yoke-type magnetoresistance effect magnetic head and with which a dense recording operation can be performed and a signal...
5973421 Voice coil motor actuator for magnetic disk device  
A voice coil motor actuator for a magnetic disk device includes a pivot bearing shaft, a positioner, a magnet, and a coil. The positioner is pivotally supported by the pivot bearing shaft. The...
5870249 Magnetic disk drive in which change in distance between magnetic head and disk is minimized  
A high-recording-density magnetic disk drive is provided which minimizes changes in the distance between a magnetic disk and a magnetic head and is reduced in size and weight. The magnetic head and...
5793560 Storage device having vibratory head  
A storage device includes a substrate, a magnetic storage medium provided on the substrate, information being magnetically stored in the magnetic storage medium, a head unit, and a reciprocating...
5559317 Card reader with carriage powered by movement of inserted card  
A card reader stores the energy imparted by a user inserting a card into a slot. When the card is fully inserted, a release mechanism is triggered and the stored energy moves a read head over a...
5541644 Image reproducing apparatus  
An image reproducing apparatus for reproducing an image recorded on successive frames of a film having a storage medium which information for each frame is readable from and writable on, the...
5452146 Recording current setting method and an information signal recording apparatus  
A recording current setting method comprises the steps of: recording signals on a tape by changing, by steps, recording current for the tape; detecting a reproduced signal level at each recording...
5378886 Magnetic head drive device having a cogged belt  
A drive device for a magnetic head (6) reciprocally movable in a slot (8) in a bank printer is suspended on a driving cogged belt (1), the cogged side of which at the same time serving as a...
5172282 Single motor data storage device utilizing centrifugal force and counteracting spring  
The present invention proposes a memory device comprising a fixed disc on the surface of which data may be stored, and rotating transducers or heads which may be positioned to access any location...
5128820 Static media/spinning head storage device  
The present invention proposes a memory device comprising a fixed disc on the surface of which data may be stored, and rotating transducers or heads which may be positioned to access any location...
4984113 Information storage and reproduction apparatus and method employing a flexible belt record member  
An apparatus and method for magnetically transducing information with respect to select portions of selected of a multitude of parallel record tracks on an elongated magnetic record member such as...
4974105 Hand-held transducing device  
A hand-held transducing device for magnetically recording upon and playing from stationary records of a type adapted to be carried on back of a photograph or the like employs a rotating head for...
4944616 Passbook read/write mechanism  
A magnetic read/write head is supported on the carriage that carries the platen of a passbook printer. The passbook is moved to the printing station and a sensor is provided for detecting the...
4916684 Head drive arrangement for a data reproducing apparatus  
A disc data reproducing apparatus, including a rotating mechanism for rotating the disc about a central axis, an optical head disposed opposite the disc for receiving data from the disc, and a...
4851929 Recorder/player device with stationary recording medium and constant speed signal head drive  
Signal heads are displaced relative to a recording surface on a stationary recording medium having a separate surface on which visual data is recorded and displayed. Differential drive mechanism...
4843483 Method for the simultaneous depiction of at least two temporally sequential events on television, and equipment for implementing this method  
A method for simultaneous depiction of at least two temporally sequential events, particularly sports events in the form of racing or jumping, on adjoining picture surfaces such as of at least one...
4636893 Piezoelectric driven mass storage  
A planar array of high track density magnetic heads is mounted on a piezoelectric structural member. The heads are in contact with an area of magnetic recording medium coated onto a stationary...
4613962 Tracking device with linear motor  
A device for tracking a movable body along a linear path parallel to a plane includes a linear motor for driving the body along the linear path. The body is mounted, as by rollers, for movement...
4609957 Magnetic card reader-encoder apparatus  
The invention relates to a reader-encoder of an magnetic card, which comprises means for maintaining the support in a fixed and well determined position in contact with read-write means disposed on...
4607355 Drive system  
A drive system for use in an optical disk file device has a multipolar motor such as a three-phase linear DC motor for positionally controlling a read/write head and driving the same to track an...
4591937 Head mounting arrangement in magnetic card reader  
A magnetic card reader of the moving head type in which a magnetic head is supported by a leaf spring on a supporting member horizontally. The leaf spring has an aperture at the center thereof to...
4578717 Magnetic record card transducing apparatus and method  
A magnetic recording and reproduction apparatus are provided employing a flat, flexible magnetic record member, such as a plastic sheet or card coated with or containing a magnetic recording...
4541028 Hand-held transducing device for insertable records  
A hand-held transducing device for magnetically recording upon and playing from stationary records of a type adapted to be carried on back of a photograph or the like employs a rotating head for...
4492991 Method and apparatus for controlling the stepping feed of an information medium  
In a mass storage system, a method for controlling the stepping feed of an information medium (T) on which recording tracks are formed by stripes (T n ) which run diagonally or vertically across...
4408906 High speed on-demand processor for pressure sensitive labels  
An apparatus for encoding magnetic data and printing on a plurality of closely spaced labels releasably mounted on a supply roll of carrier strip, includes a magnetic head for encoding the labels...
4247872 Facsimile signal converter  
A facsimile signal converter for mutually converting to each other one of a facsimile signal of one-way scanning and a facsimile signal of two-way scanning for each scanning line, in which a first...
4212037 Method for scanning a card with video signal  
An apparatus and method are provided for transducing information with respect to record cards such as oblong cards containing magnetic recording material. In one form, a magnetic record card is...
4165521 Video signal reproducing system with moveable head for slow or stop tracking control  
A video signal reproducing system having a normal signal reproducing mode and a still signal reproducing mode includes a control signal generating means for reproducing a still mode control signal....
4151564 Modular, semiautomatic credit card reader/writer apparatus  
A reader/writer credit card modular assembly wherein a T-shaped vertically disposed rail member provides accurate positioning of a credit card relative to a read/write transducer and to a timing...
4110803 Magnetic head assembly adjustable relative to roll, pitch and azimuth  
A magnetic card transport system for use with an electronic typewriter includes a magnetic head assembly mountable on a bridge frame having a lead screw and a guide shaft mounted thereon. The...
4106062 Apparatus for producing magnetically encoded articles  
An apparatus is provided for producing magnetically encoded articles such as credit cards. Data from a master or other source is recorded on an elongated web carrying magnetically encodable...
4091427 Electric control system for magnetic sheet recording and reproducing apparatus for audiovisual instruction  
Recording-reproducing apparatus utilizing as the recording medium a rectangular sheet of paper or the like having a spiral magnetic track on one surface and printed material on the opposite surface...
4084198 Card scanning video system  
An apparatus and method are provided for transducing information with respect to record cards such as oblong cards containing magnetic recording material. In one form, a magnetic record card is...
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...
4057256 Apparatus for detachably mounting a record sheet in place in a sheet type recorder/player  
A device for the accurate placement of a record sheet having a plurality of positioning holes, and recording area on a recorder-player having a recording-playing head and placement pins engageable...
4040108 Magnetic sheet reader  
A magnetic sheet or a magnetic slip with a magnetic tape or a magnetic coating on its back is driven intermittently by a sprocket wheel or a long roller. A rotating follower gives tension to the...
4040097 Magnetic card-reader with movable magnetic head  
The present invention relates to a magnetic card reader having a motor driven magnetic head sliding on a stationary magnetic card. An error-checking function for the inserted magnetic card is...
4027405 Record-reproduce device for flash cards  
A device having a slot in which removable-insertable flash cards or flexible tape are placed. On the face of the cards or flexible tape are placed, singly or in any combination, braille letters,...
4025957 Magnetic recording system using magnetic tape  
A magnetic recording system using a magnetic tape, in which information codes are recorded on a wider magnetic tape, block by block, in its transverse width dimension by reciprocating a magnetic...
4020505 Magnetic sheet player with an adjustable inclined magnetic head  
A teaching machine on which is replaceably mounted a rectangular sheet of paper or the like with a spiral magnetic track on one surface, which is directed downwardly, and with printed material on...
4014604 Sound slide  
There is disclosed sound slide assemblages which comprise a generally rectangular body incorporating an image bearing portion and a magnetic sound track portion. The image bearing portion is...
4009492 Video recording and/or reproducing medium  
An apparatus for recording and/or reproducing video signal information employs, as a record medium, a sheet assembly composed of at least two normally closely adjacent, confronting flexibly...
3996448 Data collection system  
A data collection system comprises magnetically encoded tickets and reading/writing/data collection elements -- one or more magnetic transducers -- for reading from (and/or writing on) the tickets...
3978964 Magnetic head control assembly for a magnetic passbook printing system  
A printing apparatus is provided for printing on a document or bank passbook which has affixed thereto a magnetic stripe on which information with respect to the print operation is written and/or...
Matches 1 - 50 out of 226 1 2 3 4 5 >