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7586708 |
Tape drive for avoiding tape stiction
A method for avoiding tape stiction is provided with a tape drive with a pair of motors for driving a pair of tape reels for conveying data tape across one or more read/write heads. Tachometers...
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7484682 |
Operating a tape drive during and after a transition to a stand-by mode
In a tape drive during a transition to a stand-by mode, a tape is wound under control of a processor (e.g., CPU) until duration of a time interval between moments when rotational positions of the...
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7364106 |
Compensation for tape breakage in a tape drive
Disclosed are a system, a method, and an article of manufacture to provide for the detection and compensation of tape breakage in a tape drive. The invention operates by simultaneously monitoring...
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7275297 |
Device for attaching leader pin, device for processing end portion of tape type recording medium, and method for attaching leader pin
A leader pin attaching device for attaching a leader pin to a pin attachment portion of the leader tape (a device for processing end portion of tape type recording medium) is provided. The device...
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7218514 |
I/O interface cover assembly of computer enclosure
An I/O interface cover assembly includes a panel, a bracket for accommodating an I/O interface element, a driving device, a locking device and a button. The panel defines an opening and a button...
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7114673 |
Tape-like recording medium running device
A stop command detecting unit detects an operation transition from fast forwarding/rewinding modes to a stop mode, a take-up side reel braking unit and a supply side reel braking unit start a...
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6934109 |
Apparatus and method to monitor the relative position of a tape medium disposed in a tape drive
A method to monitor the relative position of a magnetic tape disposed in a tape drive, where that tape drive includes a first tape reel motor and a second tape reel motor. The method provides a...
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6885018 |
Reel rotation and optical detection mechanism for video cassette deck
An object of this invention is to reduce the manufacturing cost by simplifying a reel rotation detecting mechanism in a video cassette deck. A light emitting element and a light receiving element...
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6668131 |
Tape end detector and video cassette reproducing apparatus
A tape end detector includes a first resistor connected between a positive power source and an analog input terminal, a second resistor connected between the analog input terminal and the ground, a...
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6459541 |
Magnetic recording and reproducing apparatus arranged to save electric power consumed in detecting tape end and reduce load on microprocessor
A magnetic recording and reproducing apparatus arranged to use a magnetic tape. The apparatus operates to derive the current taken-up position of the magnetic tape from the signals that are...
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6450431 |
Method for preventing a reverse connection failure in a single reel tape drive
A method for preventing a reverse connection between a takeup leader connected to a single reel tape drive and a tape cartridge leader connected to a magnetic tape media contained in a single reel...
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6257515 |
Magnetic recording and reproducing apparatus detecting end of tape by counting motor signals per supply-reel revolution
A magnetic recording and reproducing apparatus feeds magnetic tape from a supply reel to a take-up reel driven by a motor. Sensors generate signals responsive to each revolution of the supply reel...
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6186430 |
Tape drive connection sensing assembly
A sensing assembly for use in determining if magnetic tape within a single reel tape cartridge properly connects to a takeup reel within a tape drive during loading of the tape cartridge, so that...
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6137649 |
Magnetic recording/reproduction apparatus in which one of a reel base pair is rotated to wind a magnetic tape by a predetermined amount when an abnormality is detected
The magnetic recording/reproduction apparatus of this invention records/reproduces information on/from a magnetic tape by drawing out the magnetic tape from a tape cassette and allowing the...
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6093925 |
Reel sensor and start/finish end detecting device
In a reel sensor for a start/finish and detecting device in which a light from a light-emitting element is radiated into an incident light window formed in a video cassette and a start/finish end...
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6079652 |
Tape-thickness measuring method, and tape-running control method using the tape-thickness measuring method
A tape-thickness measuring method is used in a tape running apparatus in which a tape runs between a supply reel and a take-up reel. In the method, rotation periods of the supply reel and the...
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6057973 |
Method of seeking to tape segment without the use of inter-segment gap
A tape drive comprising a processor which determines a position to which to move a recording tape without detecting inter-segment gaps on the tape. The tape drive includes a drive motor which...
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5803387 |
Method and apparatus for the quick rewinding of a recording tape
A system for rapidly rewinding a tape from a first spool onto a second spool of a recording device. First and second sensors respectively sense the rotational speed of the first and second spools....
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5801893 |
Method for adaptively detecting tapewrap in cassette tape player
A method for adaptively detecting when portion of a magnetic tape is wrapped around a capstan of a magnetic tape cassette player includes the steps of transferring the magnetic tape from a supply...
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5794869 |
Paper winding device for photographic printer
A paper winding device for winding up photographic paper after exposure on a take-up spool in a photographic printer. A loop forming portion for storing exposed portion of the photographic paper in...
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5775615 |
VCR having a reel sensor prism device
A VCR has a reel sensor prism device fabricated by being separated into a scattering member and a fixing member. The scattering member includes a cylindrical body part for transmitting light and a...
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5735475 |
Multi-motor film feeding device with planetary gearing
A film feeding device for a camera uses first and second electric motors associated with first and second planetary gearing mechanisms, respectively. In one embodiment, the first motor and first...
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5717537 |
Magnetic tape apparatus
A cartridge of a single reel is inserted and information is recorded and reproduced by a helical scan type using a rotary head. A control pulse is reproduced from a recording signal of a control...
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5713532 |
Cam gear for actuating a reel brake mechanism in a video cassette recorder
A cam gear is provided with a camming groove including an inside camming face and an outside camming face. The inside camming face is divided into a stop mode inner-section of a first constant...
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5713530 |
Film winder
A film winder which can stop the rotation of a film winding spool at a constant position. The film winder has a drive pin for rotating the spool in a film cartridge. The drive pin carries a gear...
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5683053 |
Cine-video film transport apparatus having film supply and take-up reels between which the film is driven at a speed varied in accordance with changes in the outer diameter of the film being unwound from one of the reels
Film transport apparatus for a cine-video system in which video signals are produced from film that is driven between supply and take-up reels. The film, which may be wound in A or B configuration...
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5659435 |
Method for controlling tape running
A method for controlling tape running in a tape driving apparatus in which the size of a hub is determined when a tape is inserted into the tape driving apparatus and the number of reference pulses...
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5655724 |
Autoreverse cassette tape mechanism with tape-eating prevention
A cassette tape transport mechanism is provided with a mechanism for quickly detecting the stoppage of a take-up reel, thereby causing a tape direction change cycle to be initiated before a...
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5617336 |
Method for checking top and end of tape for data recording and reproducing apparatus
A method for checking top and end of tape for data recording and reproducing apparatus is disclosed. The method includes a first step for sensing a transparent tape section of a start portion of a...
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5600504 |
Method and apparatus for detecting tape termini in a tape recorder
An apparatus for detecting the starting or ending terminus of a tape by determining the rotatory state of a reel, includes a supply reel pulse generator for generating first pulses in response to...
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5557483 |
Tape end detection device
The detection period of detection unit for detecting a prescribed portion which is provided at at least an end of a tape is decreased in response to the detection of the prescribed portion by the...
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5489071 |
Cassette tape player having circuit for detecting reverse rotation of take-up reel
A system for preventing improper tape feed in a cassette tape player uses pulse width measurements from the take-up reel output signal to sense normal or aberrant tape feeding conditions. The pulse...
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5478022 |
Overload prevention device of film winding/rewinding motor for a camera
An overload protection device for the film winding/rewinding motor of a camera to prevent breakage of the camera by detecting an overload of a winding motor controlled by a one comma switch. The...
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5308016 |
Tape transport with differential torque between takeup and feed reels
A tape transport mechanism that senses the end of a tape while minimizing but not eliminating back tension at the tape-feeding end. Excessive back tension causes uneven transport in fast forward or...
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5301896 |
Auto rewinder for V8-type video cassette
An auto rewinder for a video cassette includes a base, a tape leading mechanism mounted on the base for leading a portion of the tape out of the cassette, a locking mechanism to prevent the...
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5234180 |
Bi-directional rewinding apparatus for 8 mm video tape
An automatic bi-directional tape rewinding apparatus applicable to 8 mm video tape. The apparatus has very few mechanical elements, which include a device capable of automatically moving rollers to...
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5152477 |
Electronic detection device for detecting the ending of the rewinding of a video cassette rewinder
An electronic device for detecting the conclusion of the rewinding cycle of a video cassette rewinder. When the rewinding cycle is completed, a detection circuit and capacitive level sensing...
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5075810 |
Tape cassette with sealed light aperture
A tape cassette suitable for use in an 8-mm video tape recorder for recording and/or reproducing video and audio signals, which comprises a light projecting section inserting aperture formed on the...
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5031851 |
Driving device for video cassette rewinder
An improved video cassette rewinder which comprises a base, a receptacle, a driving device, and a receptacle opening device, etc. The driving device comprises a single belt pulley provided beneath...
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5018040 |
Tape time display device for displaying a tape remainder time
A tape time display apparatus according to the invention includes a device for outputting a predetermined number of pulse signals for one rotation of a reel on which tape is wound, a detector for...
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5016031 |
Film winding/rewinding apparatus
This invention relates to a film winding/rewinding apparatus for winding a film after cooking a diaphragm, a mirror, and a shutter of a camera and the rewinding the film at a predetermined time. In...
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4998686 |
Mechanical structure for video tape rewinder
A mechanical structure for video tape rewinder comprising a movable base, a main winding head, a motor, a cylindrical combining base for setting the motor in, two gear wheels engaging with the...
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4993661 |
Tape cassette with tape leader detection improvements
An optical tape leader detection system includes a light source and a light detector. In a video cassette using opaque magnetic tape, the tape follows a defined tape path and has a transparent...
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4993659 |
Tape twine detecting device
A tape twine detecting device is disclosed, in which the rotation direction of a reel base is detected on the basis of signals having waveforms of at least three different widths generated by the...
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4992811 |
Film advancing and rewinding mechanism
A motorized film winding and rewinding mechanism includes a take up drum for advancing a film and a motor to drive the take up drum. A spool for rewinding a film is connected to the take up drum...
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4988056 |
Reel motor braking apparatus for video cassette tape recorder
A reel motor braking apparatus for a video cassette tape recorder which can perform the braking of a supply reel and take-up reel speedily even if the termination of a tape has failed to be...
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4975790 |
Tape recorder have reel stop detecting mechanism
A mechanism for detecting stopping of rotation of a normally rotating member which mechanism can be minimized in its axial direction and reduced in production cost. The mechanism comprises a...
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4956731 |
Tape feeding direction controlling device for automatic reversing tape recorder
A tape feeding direction controlling device for an automatic reversing tape recorder wherein operation of a first or a second high speed operating member during a reproducing operation will cause...
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4932605 |
Switching device in a magnetic-tape apparatus of the auto-reverse type
The invention relates to a switching device in a magnetic-tape apparatus of the auto-reverse type, comprising a pivotal drive mechanism which is pivotable between two turntables to drive a first...
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4895318 |
Magnetic tape transport with simplified threading arrangement and related method
A tape transporter is provided with elements to straighten out the normally sinuous tape supply and tape take-up paths of a magnetic tape apparatus in order to facilitate the threading of a...
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