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8016221 |
Apparatus, system, and method for dynamic tape stick and tape break detection
An apparatus, system, and method are disclosed for dynamic tape stick and tape break detection. A first counter increments a first count and resets a second count in response to a sensor pulse from...
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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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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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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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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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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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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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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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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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4875113 |
Automatic stopping device for a tape feeding apparatus
An automatic stopping device for a tape feeding apparatus which can assuredly detect that a tape is wound to its last end and can stop feeding of the tape not only in a reproduction mode but also...
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4811132 |
Early end of tape sensing for a cache buffered tape drive
An early end of tape sensing subsystem for a data processing system, including a host computer, a cache buffer, and a magnetic tape drive subsystem utilizes outputs dependent upon the movement of a...
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4790677 |
Method and apparatus for determining halt of tape feed in a tape cartridge for a printer
Apparatus and method for use with a tape cartridge of a printer to determine halt of tape feed from a supply reel to a take-up reel of the cartridge comprising reflective and non-reflective...
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4635868 |
End of rewind detector for a telephone answering device
An end of rewind detector in a telephone answering device utilizes at least one tape cassette having a spindle. A rotating member which is made of a conductive plastic material containing carbon...
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4630148 |
Magnetic-tape-cassette apparatus with improved function switching mechanism
A mechanism for switching from one operating function to another upon stoppage of tape movement, including a switching wheel which is driven continuously during operation and actuates a switching...
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4597547 |
Logic circuit for detecting reverse rotation of a take-up reel in a tape transport mechanism
The invention provides sensing switches for indicating proper rotation of a take-up reel in a tape recorder-player and for sensing reverse rotation of the take-up reel and provides a logic circuit...
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4566654 |
Web transport device
A web transport device transports a web wound on one shaft to the other shaft by rotatively driving the shaft on the take-up side and causing the shaft on the supply side to be driven. When it is...
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4522353 |
Automatic cassette ejecting device
An automatic tape ejecting device for a tape rewinding apparatus responsive to an increase of the tension difference between the tight side strand and the slack side strand of the transmission belt...
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4508280 |
Tape deck with take-up reel rotation sensor configured to prevent tape windup on the capstan or pinch roller
A tape deck, which incorporates a non-contacting take-up reel rotation sensing means and associated sensing circuit for enabling the capstan and take-up reel drive mechanism. A magnetic field...
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4502647 |
Tape attached sensor
A method and system for detecting tape attachment to a machine reel of an automatically threading magnetic tape system. During the threading process, a file reel is rotated to allow a sufficient...
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4500049 |
Device for automatically stopping a tape recorder
A malfunction prevention device for a tape recorder functions to place the recorder in a stop mode upon an erroneous manual operation such as the actuation of rewind and fast forward controls at...
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4494712 |
Tape deck with non-contacting unidirectional rotation sensor configured to prevent capstan tape windup
A tape deck, which incorporates a non-contacting take-up reel rotation sensing means and associated sensing circuit for enabling the capstan and take-up reel drive mechanism, includes a magnet...
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4448364 |
Reversible ribbon drive
A web drive system for automatically reversing the direction of travel of the web when the end of the web is reached. A reversible electric motor provides power to either the supply or take up...
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4378917 |
Tape-end detecting device
A tape-end detecting device wherein a magnet member fitted to a lower portion of a reel turntable is disposed so as to be spaced from a chassis, a printed circuit board is disposed in the so formed...
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4362370 |
Automatic film transport device
An automatic film transport device for use in cameras has a first function of (i) automatically completely unrolling an unexposed film from a film case or magazine and winding it on a take-up reel...
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4352472 |
System for detection of tape thickness in tape recorders or players
A tape recorder which comprises indicator means for the progress of the tape on a true playing time basis, also during fast winding, makes use of a system for measuring the speed of rotation of at...
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4348702 |
Device for preventing tape windup on the capstan of a tape deck
A tape deck which incorporates a take-up reel rotation sensing switch and associated sensing circuit for enabling the capstan and take-up reel drive mechanism includes a sensing switch which only...
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4341364 |
Device for detecting irregular operative situations, particularly for tape decks
A device for detecting irregular operative situations, particularly for tape decks, serves to detect the rotational state of one of the two discs only. In fact, the rotational state of only one of...
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4338645 |
Tape running time indication system
In a video tape recorder or audio tape recorder, the remaining tape length indicated as time or taken-up tape length indicated as time is calculated by use of microcomputer and then accurately...
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4333115 |
Tape transport control system
A tape transport control system for monitoring the amount of tape on a tape reel using a first transducer means to provide a signal representative of the rotational speed of the tape reel. A fixed...
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4331308 |
Back spacing apparatus for a transcribing machine
A back spacing apparatus for a transcribing machine comprises a first means for providing a first signal (a) corresponding to the period of rotation of a supply reel or a take-up reel, a drive...
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4309729 |
Magnetic tape cassette reproducing and/or recording system
A magnetic tape reproducing and/or recording system in which two magnetic cassette tape transports are mounted on the same chassis and are adapted to selectively drive magnetic tape from two...
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4269373 |
Automatic stop mechanism for tape recorder
An automatic stop mechanism for a tape recorder having a first rotary member adapted to rotate in connection with the feed of the tape, a second rotary member adapted to rotate in connection with...
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4223855 |
Braking system for reel-to-reel tape transport
In order to obtain smooth and positive braking, particularly with very thin magnetic tapes, a tape transport is provided which combines dynamic braking with specially configured mechanical braking...
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4222536 |
Device for sensing and indicating the end of a tape in a tape recorder
In the device disclosed, a rotatable tape end sensing lever is connected to a tape supply shaft at one end and an operational switch at the other end. In normal operation, a fly-wheel having an...
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4214283 |
Drive mechanism for cassette tape recorders
A drive mechanism for cassette tape recorders is disclosed wherein first and second reel bases are rotated in opposite tape take-up directions to pull in the slack of a tape after a cassette is...
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4213583 |
Reel drive motor control system for cassette/cartridge tape recorders
A tape transport control system suitable for use in tape recording apparatus which utilizes supply and take-up reels onto which the tape is wound. The control system is coupled to both the supply...
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4202513 |
Tape end detector for reel driven cassette tape recorder
A tape end detector for reel driven cassette tape recorders includes a drive gear which is driven by a motor, a transmission gear which normally transmits the rotation of the drive gear to a...
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4194704 |
Auto shut-off apparatus for cassette tape recorder
An auto shut-off apparatus for a cassette tape recorder includes a pinion fixedly mounted on a capstan in coaxial manner, and a pair of rack levers carrying a rack which meshes with the pinion. The...
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4174079 |
Method of detecting tape transport condition
A method of detecting tape transport condition, wherein a signal is derived from detector means provided in association with at least one of a pair of spindle reels of a tape recorder to detect the...
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4157488 |
Apparatus and method for controlling a tape drive to maintain a substantially constant linear tape velocity
A tape drive including a drive motor; a take-up reel driven thereby; and a motor speed control system controlling the angular velocity of the drive motor for maintaining a substantially constant...
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4046334 |
Automatic reversal mechanism
The mechanism is for use with a tape recorder of the cassette type in which the direction of rotation of tape reels within a cassette is automatically reversed at the end of taking up the tape. A...
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4010917 |
Automatic stop device for a magnetic tape recording and/or playback apparatus
A stop device for a magnetic tape recording and/or playback apparatus having an end of tape detector responsive to reference marks positioned near the ends of the magnetic tape and adapted to stop...
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4001552 |
Method and apparatus for measuring web material wound on a reel
Method and apparatus for measuring the number of layers of a web material of known thickness wound on a storage or take-up reel. The method and apparatus are based on the principle that, at a...
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3999197 |
Film rewinding device for cameras
A film rewinding device for a camera using a motor for rewinding film. Upon completion of film rewinding, the device automatically stops the film rewinding operation with detecting means disposed...
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3977623 |
Film drive mode change actuator
A system for initiating operating mode change in a film handling apparatus in response to cessation of film movement incident to an end-of-film condition.
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3921220 |
Apparatus for automatic high speed positioning of magnetic recording tape by sensing reel revolutions from tape beginning
A remote control, electronic, random access, automatic apparatus for use with a standard tape player for locating and playing a prerecorded message on a tape. Numerical pushbuttons permit selection...
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3913519 |
Advance warning device
Apparatus for indicating a predetermind position on a filament such as a magnetic tape transported between supply and take-up reels. Such a predetermined position is representative of the amount of...
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