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4764821 |
Cassette type recording apparatus
A cassette type recording apparatus is disclosed, in which a signal indicative of executing the timer-activated recording and a signal indicating whether or not a tape cassette is inserted into a...
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4764826 |
Tape cassette and cooperating apparatus
A tape cassette that includes a rotatable drum having a centrally disposed tape storage device and a surrounding circumferential wall with one or more openings therein through which tape passes...
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4761700 |
Video cleaning device
A device for cleaning the components in the cassette receiving area of a video playing/recording unit comprises a housing having a cleaning tape 26 wound about a pair of spools 24, 25. A carrier...
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4758910 |
Method of controlling a tape deck display
A method of display control is disclosed for an audio tape deck having a display unit employing an array of light-emitting segments, whereby both data relating to playback audio signals and tape...
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4757413 |
Recording and reproducing apparatus
In a recording and reproducing apparatus (1) for record carriers (6, 7) in the form of a tape contained in cassettes (4, 5), comprising a reproduction deck (8) and a recording/reproduction deck...
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4755883 |
Removable information inputting device for an electronic recording apparatus
A removable information inputting device which is removably provided with an electronic apparatus includes a keyboard for inputting an information of a program to be recorded, a memory for storing...
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4755246 |
Method of making a laminated head cleaning disk
A cleaning disk is described that is made of a pair of layers of head-cleaning material which are translucent to light produced by a light source in a magnetic disk-reading machine. The layers are...
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4754359 |
Plug for a cassette
A plug for a cassette without a recording tab is provided. The plug is adapted to be removably fitted into the protecting recess of a cassette. The plug comprises a bung (14) dimensioned to form a...
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4752843 |
System for indicating a precise tracking in a video cassette recorder
A tracking indication system of a VCR to make a recognition to a user whether or not a precise tracking of a video head is achieved. The invention includes a peak value detecting and holding...
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RE32702 |
Brushless D.C. motor assembly
An improved motor assembly including a brushless D.C. motor and an annular member defining a platform for the drive electronics and speed control circuits of the motor. The member is carried on a...
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4751600 |
Apparatus for use in cleaning a tape head
Apparatus for use in cleaning a tape head comprises a cartridge in which there is a frame carrying tape head cleaner in the form of a spindle carrying a foam sponge cleaning roller. For...
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4750063 |
Floppy disk drive having a pivotally supporting cartridge carrier
The present invention provides a floppy disk drive which can removably receive a cartridge containing a floppy disk and which can travel a READ/WRITE head to the desired track on the floppy disk...
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4747005 |
Automatic disc separating and feeding apparatus for disc copying machine
An automatic disc separating and feeding apparatus for a disc copying machine is disclosed which is capable of effectively preventing the damage to a disc and/or an envelope thereof during the...
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4745495 |
Easily operable recording/reproducing apparatus of double cassette type
An easily operable recording/reproducing apparatus of double cassette type having a master tape and a slave tape is disclosed, which is adapted to operate each of these tapes in a plurality of...
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4743995 |
Disk file with in-hub motor
A disk file comprises a disk stack subassembly and a head positioning actuator each mounted on opposite sides of a central box frame. The disk stack subassembly has a non-rotating central spindle...
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4743990 |
Test cassette for measuring capstan azimuth angles
Azimuth angle of the capstan of a magnetic-tape-cassette apparatus is measured using a cassette having a reference sensor which engages the cassette, and at least one measurement sensor which...
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4742405 |
Device for storing and retrieving cassettes
A device for storing and retrieving cassettes includes a casing in which a plurality of cassettes are stored in a radial array about a vertically disposed axis. A carrier for transferring a...
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4739432 |
Lid assembly for magnetic tape cassette
A magnetic tape cassette having an upper half, a lower half and a front lid with a front plate and first and second side plates with first and second bearing shafts extending from the side walls,...
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4734897 |
Cassette adapter for playback device, such as a compact disk player
An adapter for enabling the signals produced by one type of playback device, such as a compact disc player, to be reproduced as audio sounds by a cassette player audio system, the latter having a...
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4734791 |
Video tape recorder having status display mode
A video recording and reproducing system provides an operator with the ability to view the status of all operating conditions of a system at one time. When it is desired to view the status, an...
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4734145 |
Method for making a magnetic transducer head cleaning card
A card is provided for cleaning transducer heads of magnetically-encoded card reading machines. The card includes a surface region disposed for contacting such a transducer head and releasably...
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4733318 |
Magnetic tape driving device
A magnetic tape driving device for a tape recorder or like machines wherein a base plate is partially formed from a synthetic resin material while eliminating possible mechanical and thermal...
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4729051 |
Selectively inhibited actuating mechanism for a latched pushbutton
An apparatus has a part which can be moved to an operating position by an actuating device, in response to movement of a button to an on position. Upon movement of the part to its operating...
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4727446 |
Method of determining the elapsed and/or still available playing time of a magnetic tape
A method of determining the elapsed and/or still available playing time of a magnetic tape. First, the time the spindle takes to rotate once is measured. The number of coils on the spindle are...
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4723179 |
Video tape cassette with locking flap assembly
A cassette comprising a housing made of two portions having a front surface provided with an aperture through which access can be had to the video tape, this aperture being closed by a...
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4717982 |
Electrical connector retaining assembly for facilitating removable mounting of a rigid disk drive
An interconnection assembly permits a Winchester-type rigid magnetic disk storage unit, inclusive of the disk drive mechanism, to be plug-in removable from a systems unit or an add-on peripheral...
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4717983 |
Device for operating a plunger in a tape player
A plunger operating mechanism in a tape player comprises: a head lock plate linked to a head plate normally biased to its withdrawal position by a stop mode spring; a drive means engaging the head...
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4716485 |
Cartridge-shaped cleaning device with a rotable cleaning assembly
A cleaning apparatus for cleaning the heads of tape player/recorder units in which, when the cleaning apparatus is operably loaded into the unit, movement of a spindle of the unit turns a cleaning...
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4713857 |
Apparatus for use in cleaning the tape of a tape cassette
Apparatus for use in cleaning the tape of a tape cassette comprises: a housing; an aperture defined by the housing whereby a tape cassette can be inserted into the housing; an opening defined by...
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4713715 |
Tape position display apparatus using counter roller pulses and CTL pulses
A tape position display apparatus including a circuit for generating first electrical pulses in response to transport of a tape, a first counter for counting the first electrical pulses, a circuit...
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4713714 |
Computer peripheral shock mount for limiting motion-induced errors
A disk drive shock mount is provided which attenuates shocks and vibrations to a disk drive (1, FIG. 1). The mount comprises a cradle 20 which is affixed to the disk drive housing, and a mounting...
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4712145 |
Operating mechanism for small portable cassette tape player
An operating mechanism for a small portable cassette tape player/recorder which does not require separate operating buttons to play and record. Operation of the player is effected by pushing the...
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4707757 |
Pressing spring for a magnetic tape cartridge
A magnetic tape cartridge is provided with a pressing spring secured to a cartridge to press a spring-contact projection formed at the center of the upper part of a reel. The pressing spring...
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4706147 |
Cassette for cleaning the heads of a magnetic tape recorder
A cleaning cassette for the read/write heads of magnetic tape recorders is disclosed in which an interchangeable cleaning device 23 is mounted to a supporting member 16. This supporting member can...
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4704651 |
Cassette tape deck operating mechanism
An operating mechanism for a cassette deck, particularly, a double-type cassette deck, with the use of which the overall size of the deck is significantly reduced. A swingable cassette holder is...
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4703138 |
Protected switch unit for cassette tape recorder
A protected switch unit is provided in a cassette tape recorder employing a single motor for driving a power transmission system for transferring a cassette holder and a power transmission system...
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4692828 |
Magnetic disk drive capable of mechanical connection to a data processing instrument without deformation
A flexible magnetic disk drive to be mounted between, and fastened to, a pair of opposed holder plates forming parts of the housing of a data processing instrument such as a computer or word...
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4692827 |
Divided housing for a magnetic disk drive comprising a peripheral sealing ring
A housing for a magnetic disk memory comprises a support shell and a cover for housing a magnetic disk pack and a rotational positioner. The disk pack is provided with two bearing locations one of...
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4692746 |
Recording-tape-reel assembly with electronic tag
A recording-tape-reel assembly, such as used with a computer, has an electronic tag to enable the presence of the assembly to be detected in a presence detection system in order to inhibit the...
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4692832 |
Method for lowering the frictional coefficient of the magnetic head-disk interface in a lubricated magnetic disk storage system
The frictional coefficient and triboelectric current that exist between the magnetic-head carrying slider and the surface of a magnetic disk when both are in sliding contact are reduced by an...
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4691261 |
Channel changing mechanism in a tape player
A channel changing mechanism in a tape player includes a pinch roller change plate for alternatively bringing a pair of pinch rollers to and apart from a pair of capstan shafts, and a power plate...
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4688112 |
Power-saving data transfer apparatus with a flexible magnetic disk or the like
A flexible magnetic disk drive is disclosed which has a disk drive motor for imparting rotation to the magnetic disk under the control of a "motor on" signal, and a stepping motor capable of...
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4688131 |
Information processing apparatus having locking means permitting ready detachment of the magnetic disk drive assembly
An information processing apparatus such as a computer of the class for office and home use is disclosed which employs a magnetic disk cartridge as an information storage medium, together with a...
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4688117 |
Display including variable mode for a record and/or playback device
A variable mode numerical display for a record/playback device normally displays a numerical count representing the present position of the record medium used with that device and is operable to...
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4688105 |
Video recording system
A video recording system enables self-service production of vended videocassette recordings to a user or customer, with user control of several features. Preferably the system includes forming a...
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4685015 |
Cleaner cartridge, in particular for cleaning audio and video tape recorders and players
This cleaner cartridge for cleaning read, record, entrainment and guide parts in audio, video, and magnetic tape apparatus comprises a reservoir for the special liquid or detergent incorporated in...
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4685013 |
Magnetic tape head alignment system
A method of aligning a tape head with the use of a calibration head that is adapted to produce a calibration tape having a pair of spacedly disposed write signals extending substantially normal to...
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4680659 |
Tape drive mechanism having torque transmitting gear assemblies
A tape drive mechanism includes a first gear assembly having a first gear mounted on a shaft driven by a motor and a second gear slip-frictionally coupled to the shaft in coaxial relationship with...
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4679105 |
Head positioning assembly for a disk drive
The invention is a head positioning assembly (10) for use with a conventional disk drive (12). The assembly (10) is adapted to position the ready/write head (22) on a rotating diskette (21) and...
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4677509 |
Spindle assembly for magnetic disks
A spindle assembly for magnetic disks of both-end support type has a hub for fixing the disks, a shaft to which the hub is fixed, a pair of bearings which are spaced in vertical or horizontal...
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