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5541796 |
Cassette case board and release part for recording medium cassette
A recording medium cassette comprises a cassette case cassette case board and a release part. The cassette case board has a plurality of board terminals and also has positioning holes formed in its...
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5540973 |
Magnetic recording medium and a method for manufacturing such medium
A magnetic recording medium with improved friction and levitation characteristics and undiminished electromagnetic conversion characteristics, and a method for manufacturing such a medium, are...
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5541797 |
Tape cartridge base plate comprising a novel aluminum alloy
A tape cartridge comprising a flat base plate and component parts mounted on the plate, including pins that are nominally perpendicular to the base plate and which support and facilitate tape...
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5541795 |
Tape cassette having an open/close mechanism
A tape cassette including a housing accommodating a pair of tape reels around which a tape is wound, the housing having a front opening at a front face where the tape is exposed in a state of being...
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5537280 |
Tape cassette
A tape cassette capable of being readily assembled irrespective of a lid for covering a tape being constituted by three lid member and effectively preventing disengagement of a support shaft of the...
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5537279 |
Tape cassette and magnetic recording/reproducing device
A tape cassette comprising an insertion opening disposed in a main body case and a detecting optical path, for detecting the leading and rear ends of a tape, interposed between the insertion...
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5531394 |
Magnetic tape cassette having variable force reel pressing device
A magnetic tape cassette includes a leaf spring and magnetic tape reels in which the depression force of the leaf spring is varied such that, in assembling the cassette, the leaf spring provides a...
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5529256 |
Dual reel-locking mechanism for compact tape cassette
A compact size tape cassette including a pair of brake mechanisms associated with supply and take-up reel hubs for simultaneously locking the reel hubs in position against rotation relative to a...
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5526209 |
Tape cassette with reduced wear of positioning holes
A tape cassette comprises a cassette proper for containing therein a recording tape. The cassette proper is constructed of a plastic. At least one positioning opening with a collar therearound is...
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5522668 |
Plastic chassis having a mounting construction of a rod-like member
A plastic chassis is provided in which a shaft is fixed to the chassis even if a snap fitting integrally formed with the chassis is broken. An arm member having a claw portion is formed around a...
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5524005 |
Cartridge for a recording reproducing medium having a shutter configured to reduce damage to the casing
A cartridge for a recording/reproducing medium has a shutter for opening and closing a window opening formed in a casing in which a projection or a gate formed at an outer edge of the shutter is...
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5521780 |
Tape cassette and magnetic recording/reproducing apparatus used therefor
The present invention has been achieved to provide a novel tape cassette capable of stable and excellent magnetic recording and reproducing operations realizes highly accurate head touch necessary...
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5518196 |
Tape cassette having different diameter tape reels
A cassette tape is constructed so that a radius of one reel side in a condition where to a middle point of a magnetic tape wound on a reel with a same radius k is a radius of a large-diameter reel,...
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5517377 |
Endless-loop tape cassette with backstop and transmission mechanism
An endless-loop tape cassette includes an endless-loop magnetic tape; and a disk which has a portion of the magnetic tape wound in a stack thereon, and which is rotatable along with one of a supply...
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5515223 |
Cleaning cassette for magnetic heads
A cleaning cassette for magnetic heads in a cassette drive includes at least one container with cleaning fluid, comprising an at least partially flexible hollow body, at least one valve device and...
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5515216 |
Data storage cartridge having a case with recesses accommodating flanges of tape reels and a drive roller
The present invention provides a data cartridge having a cartridge case (1) capable of containing either of two kinds of magnetic tapes differing from each other in width. The data cartridge is...
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5508871 |
Continuous audio and video tape
A continuous magnetic tape cassette for use in a magnetic tape recording and/or reproducing apparatus. The cassette comprises a casing for housing a magnetic tape, which has two ends connected...
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5508870 |
Cassette having multilayer molded cassette half
A tape cassette includes a pair of cassette halves and a pair of hubs enclosed between the cassette halves, and about which a recording medium, or tape can be wound. Each cassette half includes a...
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5506738 |
Tape cassette with tape guide support structure
A tape cassette includes a pair of pinch rollers 118, 119 for guiding a magnetic tape T movably provided in a cassette opening 75 of shell body 71. Both ends of a roller shaft 124, 125 rotatably...
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5506739 |
Tape cassette with slidably guided, spring-biased reel locking means
A tape cassette having a reel lock mechanism which includes a slider adapted to slide in frontward and rearward directions within a cassette housing; a pair of lock pawls adapted to engage with...
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5504634 |
Video tape cassette adapter
An improved tape cassette adapter uses a mono-directionally operable motor having a worm rod attached to the end of the output shaft thereof that is engaged with a speed variation gear set. The...
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5503348 |
Opening and closing of a front lid of a tape cartridge
A tape cartridge provided with a slider member slidably mounted for sliding movement in forward and backward directions at an outer side under surface on the bottom wall of a main casing for...
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5504644 |
Recording/erasing prevention device
A tape cartridge includes a casing having an upper portion and a lower portion. A channel formed in the upper of portion of the casing is disposed at a corner portion defined by an external upper...
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5502608 |
Tape cassette
In a tape cassette having a case with a mouth for receiving a magnetic head drum of a recording/reproducing apparatus and containing a recording tape wound on rotatable reels and including a tape...
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5495992 |
Belt-driven magnetic tape cartridge having a device for applying mechanical tension to the tape in the cartridge
A device for applying a mechanical tension to a tape in a cartridge of the type having an internal belt for moving the tape, particularly a fast-running tape that is to be unwound from a first reel...
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5497279 |
Tape cartridge and recording reproduction apparatus for the tape cartridge
A tape cartridge is arranged so that when an upper lid of a pocket portion of the tape cartridge is in a position for opening the upper side of the pocket portion, the upper lid is positioned above...
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5493455 |
Recording apparatus using a tape cassette with a memory
A memory is provided in a tape cassette and it consists of a program information area for recording information on each program recorded on a tape and a tape information area for recording...
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5492284 |
Tape cartridge connector lock
A single reel supply cartridge is provided with a lock clip which restrains a tape connector within the mouth of the cartridge. The lock-clip is released by the insertion of a release pin in to the...
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5490029 |
Compliant tape guide for data cartridges
A compliant tape guide for magnetic tape transported in a belt driven data cartridge which resiliently engages one edge of a tape and urges the tape to a position against a fixed flange. The...
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5488517 |
System comprising a magnetic-tape cassette and a magnetic-tape apparatus, and magnetic-tape cassette, tape-cleaning means and tape-cleaning element for use in the system
A system including a magnetic-tape cassette and a magnetic-tape apparatus for recording and/or reproducing information in digital form on/from a magnetic tape. The information is stored in a...
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5486971 |
Central hubs for flexible magnetic data discs formed of magnetically soft polyacetal compositions
Flexible sheet-like magnetic discs (so-called 37 floppy discs") are provided with a central hub formed of a magnetically soft polyacetal composition. The polyacetal composition necessarily includes...
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5481415 |
Recording/reproducing apparatus that handles both digital and analog data and distinguishes between the two
A digital signal source and an analog signal source, such as might be contained in a video tape cassette, can be discriminated from each other in a video tape recorder by providing only a minimum...
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5479097 |
Data corruption detector for magnetic media
A tape cartridge or other physical volume includes a housing configured to accommodate magnetic data storage media, such as a reel of magnetic tape. A magnetic field detector is coupled to the...
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5479312 |
Tape cartridge system implementing variable sized tape cartridges designed for use on the same recording/reproducing apparatus
A tape system for implementing tape cassettes of variable size which includes both large-sized and small-sized tape cartridges each housing a memory element having a set of terminals for electric...
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5479311 |
Magnetic tape cassette having improved magnetic tape substrate and tape guide for reducing electrostatic charging
A magnetic tape cassette whose reliability is considerably improved by preventing triboelectrification by tape-and-guide friction. A metal tape guide for guiding the magnetic tape while in contact...
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5475555 |
Cassette condition indicating device having plug with multiple selectable positions
A tape cassette for a recording/reproducing apparatus comprises a cassette casing comprising an upper half and a lower half, a front cover provided to cover a front opening portion of the cassette...
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5474968 |
Printing tape and printing-tape cartridge
Disclosed is a printing tape T having a support sheet 4, a heat-sensitive layer 3 including thermal chromogenic material formed on one surface of the support sheet 4, a protection layer 2 formed on...
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5474249 |
Method for producing tape leaders for hubs
A tape cassette is provided which has indicia indicating the characteristics of the tape contained therein. In one embodiment an information discriminating mark, capable of being optically sensed...
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5473688 |
Auditing system for single play tape cassette
A tape cassette or the like employs a resettable counter that disables the playing of the cassette after a limited number of playings consistent with home use. The small number of playings is...
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5468065 |
Molded tape cassette
In order to produce a cassette, such as tape cassette, disc cassette or the like, the following steps are taken. First, fixed and movable dies are prepared which are unitable to define therewithin...
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5469319 |
Magnetic tape cassette having tape edge regulating members
A magnetic tape cassette having tape reels on which a magnetic tape is wound, includes magnetic tape regulating members one end portion of which is securely fixed on the magnetic tape cassette,...
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5465187 |
Magnetic tape cartridge having leader block retainer mechanism
The improved magnetic tape cartridge includes a leader block retainer mechanism that provides a positive locking function to automatically secure the leader block in place in the opening of the...
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5461530 |
Magnetic tape cassette having a rocking guard panel
A magnetic tape cassette in which a mechanism for engaging a guard panel with a lower cassette half is simplified, the assembly process thereof is highly efficient, and the cassette is produced...
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5455722 |
A cassette having a recording medium for use with a recording/reproducing apparatus
A cassette having a recording medium contained therein for use with a recording/reproducing apparatus. The cassette includes a storage device for storing information pertaining to the recording...
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5453897 |
Information storage cartridge containing desiccant material
An information storage cartridge to be utilized within an electronic device so as to record and/or store information, the cartridge including a housing with a hollow interior wherein an information...
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5453896 |
Tape cassette with coordinated front and rear lids and a front rim member for protection of the tape and a rotatable lever connecting the lids
The present invention discloses a tape cassette having a front lid for protecting a magnetic surface of a magnetic tape accommodated in a casing made of upper and lower half members against dust or...
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5452150 |
Data cartridge with magnetic tape markers
The tape in a data cartridge has a beginning of tape (BOT) zone adjacent a leading end, a load point (LP) zone adjacent the BOT zone, an end of tape (EOT) zone adjacent a trailing end, an early...
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5448440 |
Data storage device with roller lubricant that provides excellent drag force characteristics
A data storage device, of the type having a roller mounted on a shaft, wherein the roller has a central bore adapted to receive the shaft, and wherein a lubricant is provided between the shaft and...
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5447278 |
Tape drive and cassette with precise registration
A tape transport system has a cassette housing with two stationary generally cylindrical guide members. The bottom wall has two openings extending therethrough, each of which receive one end of a...
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5440439 |
Cassette screw bosses having ribbed surfaces
A videocassette housing includes a base connected to a cover. Cover bosses are received within respective base bosses, and the cover is connected to the base by fasteners passing through the base...
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