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5521777 |
Automatic apparatus for selectively sliding a write-protect tab
An apparatus for switching a write-protect tab of a computer disk includes a supply hopper for storing a plurality of disks and includes a mechanism for delivering the disks in a one-by-one manner...
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5508860 |
Disk drive design having reduced height and improved means for electrical connections
A reduced height disk drive includes a suspension-actuator assembly in which a head suspension (10) is attached to an actuator (9) on the same side of the head suspension as a transducer head (8)...
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5506741 |
Operation mode change-over device of a tape recorder and a reel rotation stoppage detection mechanism therefor
An operation mode change-over device for a tape recorder has a detection mechanism including a detection member comprised of a fine wire made of a spring material for detecting a stoppage of a reel...
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5499151 |
Mode changing method utilizing one cam gear and one solenoid for a cassette tape recorder
A method for mode changing of a deck mechanism suitable for use in a compact cassette tape recorder employs a single cam gear and a single electrically operated solenoid and does not cause...
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5497085 |
Method for determining an outer diameter rolloff in a process for making magnetic disks
A method is shown for testing a magnetic disk to be used in a disk drive. The method includes the steps of measuring a height profile of an outer radial edge of the disk, using the profile to...
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5495371 |
Magnetic tape library device and method for maintaining magnetic recording and reproducing device and magnetic head
A magnetic recording and reproducing device and a magnetic tape library device are provided for properly recovering a function and issuing a warning when a failure of a magnetic head of the device...
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5493461 |
Storage media lockout device for a computer mass storage media drive
A media lockout device and associated method for a combined media drive. The combined media drive permits the insertion of storage media into two separate insertion openings of the combined media...
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5491607 |
Method of modifying a disk drive from serial to parallel operation
A disk drive that is the product of modifying a standard computer disk drive to read and write data in parallel with all of its transducer heads at once, rather than serially with only one head at...
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5483391 |
Method of and apparatus for adjusting deck mechanism of video cassette recorder
An automatic deck adjusting apparatus having a tape running system adjusting mechanism for adjusting a VCR deck automatically and control means for controlling the adjusting mechanism to adjust the...
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5481427 |
Mode selector mechanism for cassette tape recorder including improved cam gear and drive selecting mechanism
A mode selector mechanism for use in a cassette tape recorder includes a mode selector lever, a cam gear, an operating mechanism, a motor, a selecting mechanism, and a tape transport assembly. The...
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5479313 |
Tape cleaner for magnetic recording and reproducing apparatus
A tape cleaner for a magnetic recording and reproducing apparatus includes a plurality of blades disposed so that their tip portions are simultaneously in contact with a magnetic tape in the...
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5475548 |
Electrostatic discharge protection for a magnetic tape cartridge
A magnetic tape drive for magnetic tape housed within a cartridge is provided which includes a rectangular access through which the cartridge is inserted into the drive and a wiping member...
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5475547 |
Flywheel for a magnetic-tape-cassette apparatus
A flywheel in a magnetic tape apparatus includes preferably identical, flat discs (3a, 3b) which are joined to one another and each have a bevelled portion (11a, 11b) at their circumferences (9a,...
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5471038 |
Smart-diskette read/write device having fixed head
A data storage system includes a data read/write device which can be incorporated in electronic data processing (EDP) devices with the external shape of an 88.9 mm (31/2 inch) diskette drive, which...
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5465381 |
Processor and read/write head incorporated in disk for communicating data to host directly from processor read/write head to read/write head of host disk drive
A computer-based system, such as a value printing system, has a host data processor having at least one disk drive that includes a first read/write head for reading data from and for writing data...
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5457590 |
Insertable element for a disk station of EDP equipment with connections to external components
An insertable element for the diskette or cassette station of a piece of electronic data processing equipment having an interface. The arrangement is such that data transmission between the EDP...
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5450265 |
Tape cleaning apparatus of a tape recorder using tapeguide mechanism during record and playback mode
A tape cleaning apparatus for a tape recorder includes a cleaning member fixed on one side of the tape running path and a cleaning roller for pressing the tape toward the cleaning member. The tape...
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5446614 |
Pinch roller cleaning apparatus of tape recording/reproduction device
A pinch roller apparatus for a recording/reproduction device which prevents the contamination of a head, resulting from foreign objects settled on the recording medium, by providing a cleaning...
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5446240 |
Magnetic disk system having flexible print cable for magnetic head and method of assembling the same
End faces of the opposite ends of an FPC for connecting a movable magnetic head and a stationary electric circuit to each other are supported parallel to the plane of a recording medium and in the...
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5442506 |
Head drum ground system having a resiliently mounted conductive brush
A head drum ground system for use with a VCR comprises an electrical coupler which is located and arranged in an inner space of the head drum assembly so that a rotary drum is electrically...
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5424891 |
Leakage flux shielding structure of disk unit
A flexible disk unit having a reduced thickness includes a spindle motor for rotating a magnetic recording medium having a magnet at its outer periphery, a movable carriage supporting a magnetic...
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5424884 |
Disk drive with cleaning device, and cleaning method
A disk device with a cleaning device and a cleaning method according to the present invention include cleaning motor control means for rotating a disk oppositely to a direction of rotation of the...
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5420739 |
Portable audio device with a detachable control unit
A portable audio unit has a main unit, such as a CD player or tape recorder. The main unit is connected to a control unit by a cable. Audio and control signals are transmitted by the cable. The...
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5406435 |
Devices for preventing video cassettes from being inserted into a video cassette recorder
A device for locking up a video cassette recorder having a box with a base, a top wall and upstanding side walls, and with intermediate walls therebetween, a drum journaled through the front and...
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5400196 |
DASD with spindle imbalance isolation and method for producing same
An apparatus (and a method for producing the same) for preventing internal vibrations produced as a result of rotary motion at a predetermined frequency within a device mounted in an enclosure from...
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5392290 |
System and method for preventing direct access data storage system data loss from mechanical shock during write operation
A secondary data storage system for a host computer system includes a disk drive system having a device controller, at least a first magnetic disk and a read/write magnetic transducer positionable...
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5392183 |
Service cassette extension for video cassette recorder, player and camera
A service cassette for simulating the presence of a conventional video tape cassette within a conventional video cassette recorder, player and camera wherein a retractable extending arm is provided...
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5392182 |
Mode changing apparatus utilizing one cam gear and one solenoid for a cassette tape recorder
An apparatus and a method for mode changing of a deck mechanism suitable for used in a compact cassette tape recorder. The apparatus includes actuating members for selectively actuating a mode...
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5388015 |
Magnetic tape device with a head cylinder
A system for heating a tape drive includes a heating element which is actuated by the same voltage that drives the motor. An electronic switch is responsive to the motor voltage and turns the...
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5383079 |
Portable information reproducing and voice amplifying apparatus
A portable recording and reproducing apparatus is adapted to reproduce a melody recorded on a recording medium such as a magnetic tape and to amplify the melody and voice through a speaker as the...
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5375025 |
Method of measuring the remaining time of tape in a tape recorder
A method for correctly measuring the time remaining for a tape running in a tape recorder on the basis of a previously calculated remaining time even when the speed of the tape running in the tape...
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5373405 |
Recording and/or reproducing apparatus constructed to receive a magnetic tape cassette
In a recording and/or reproducing apparatus (1) for a magnetic-tape cassette (6), the apparatus having at least one magnetic head (31, 32), at least one pressure device (46) for urging the cassette...
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5367423 |
Insertable protective device for VCRs
The invention is a protective member for the cassette receiving chamber of VCRs and audio cassette recorders. The device is insertable into the VCR and may be locked into place by means of a...
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5363259 |
Tape recorder having a compact reverse function including a limiter gear mechanism and a swing arm
A tape recorder including a limiter gear mechanism having a torque limiter; a driving device for rotationally driving the limiter gear mechanism in a forward or reverse direction; a swing lever...
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5359484 |
Circuit for generating a disk change signal
A disc change signal generating circuit which uses an index sensor for generating an index pulse in order to detect a rotation of a floppy disk, a timer to input the output of the index sensor into...
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5359504 |
Magnetic disk apparatus
A magnetic disk apparatus is disclosed wherein the apparatus comprises a magnetic disk, magnetic heads for recording and reproducing information to and from the magnetic disk, a disk driving device...
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5355271 |
Tape cassette with resiliently mounted tape cleaner
A sheet-shaped cleaner including a resilient film and nonwoven cloth consisting of synthetic fibers formed on one side of the film is disposed in opposition to a guide roller. A magnetic tape is...
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5355272 |
Disk drive lock having a hook mechanism to engage a diskette protective cover push rod
A lock mechanism for disk drives includes a case slightly shorter than an ordinary diskette, a lock slantly disposed in front of the case and controlled by a key, a transmission shaft extending...
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5355121 |
Alarm device for magneto-optical disc drive unit
An alarm device is provided with a temperature sensor for detecting an internal temperature of a magneto-optical disc drive unit having a cooling fan and a replaceable dust filter. When the...
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5353184 |
Cassette cleaner having both capstan and pinch roller elements
Device for cleaning a head assembly (12) of a magnetic tape player and/or recorder with a cleaning solution. The device includes a housing (14) adapted to be inserted in the player/recorder in a...
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5349713 |
Magnetic tape cleaning system
A cleaning system for magnetic tape intended for high density magnetic data usage combines passing a high volume flow of negatively ionized air across a moving tape surface with simultaneous wiping...
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5351161 |
Variable scale rotary switch
A switch assembly that can vary at least two controllable parameters and can vary the upper, lower and any intermediary limits of the switch assembly. The switch assembly has a pair of nested...
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5349480 |
Portable audio apparatus
A portable audio apparatus allows a user to sing along with the recorded song, the user's voice and recorded song being outputted through a speaker. The apparatus permits the recorded lyrics or...
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5347407 |
Method and system for removing particles without requiring a separate cleaning mechanism from a tape in a tape drive system
A method and system detect and remove particles from a tape. Debris on a tape can cause errors. Location of the tape is continuously monitored, and when an error is detected during a data transfer...
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5347415 |
Head height adjustment method including a synchronized rotating laser beam optical axis
In a magnetic recording and/or reproducing apparatus, it is necessary to adjust the height of each of a plurality of magnetic heads carried by a rotary cylinder for movement together therewith....
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5341254 |
Tape recording and/or reproducing apparatus
Apparatus is provided for switching between recording and playback modes of a tape recorder having a single input/output jack to which an output plug for an earphone, a headphone or the like, or an...
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5327315 |
Magnetic recorder with refrigeration element to locally cool tape
In order to prevent the staining of magnetic heads of a magnetic recorder in a low humidity environment, a refrigeration device which refrigerates a magnetic tape is positioned so as to engage the...
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5323286 |
Method of determining tape length and tape pack position of a tape cassette
A method of determining the position of a tape in a tape cartridge having a first hub, a second hub, a means for measuring the rotation of the first hub, a means for measuring the rotation of the...
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5321671 |
Radio receiver with tape deck having interrupt capability
Occurrence of mechanical noise and tape damage due to operation of a pinch roller is avoided when the system is switched from the tape playback mode to the radio mode or vice versa. On playback of...
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5319509 |
Method and apparatus for controlling and analyzing a data storage system
A system and method for controlling and analyzing data storage systems, and more particularly, to systems and methods for controlling and analyzing performance and physical attributes of a sealed...
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