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3716242 |
TAPE DRIVE REVERSAL MECHANISM FOR TAPE RECORDER
A tape drive reversal mechanism for a tape recorder using two reels is initiated by actuation of a plunger and the like. In response to the actuation of the plunger, an eccentric cam is rotated in...
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3716241 |
DRIVE APPARATUS FOR TAPE PLAYBACK APPARATUS
In a tape recording and playback machine for language teaching or for a dictation system, the tape can be fed at both fast and slow forward and reverse speeds. Sound recorded on the tape can be...
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3708633 |
UNIDIRECTIONAL TAPE MOTION DETECTION APPARATUS AND AUTOMATIC TAPE RETURN
In dictation systems in which magnetic tape is stored in bins, unidirectional tape motion switches and related control and monitor circuits are provided to automatically return previously reversed...
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3706859 |
UNIDIRECTIONAL TAPE MOTION DETECTION APPARATUS AND AUTOMATIC TAPE RETURN
In dictation systems in which magnetic tape is stored in bins, unidirectional tape motion switches and related control and monitor circuits are provided to automatically return previously reversed...
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3702906 |
APPARATUS AND METHOD FOR CONDITIONING MAGNETIC TRANSDUCER SYSTEM WITH BOTH HEAD CLEANER AND BULK DEMAGNETIZER
A magnetic tape transducing machine with integral head cleaning brush, head demagnetizer and bulk tape demagnetizer, for selective conditioning of the head and tape alternately with actual...
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3693982 |
REVERSIBLE TAPE TRANSPORT SYSTEM
A transport for flexible tape employs a reversible rotatable capstan with supply and take-up rolls mounted on axes parallel to the axis of rotation of and movable toward and away from the capstan...
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3689076 |
COMBINED TAPE LIFTING AND CAPSTAN DRIVE ENGAGEMENT MECHANISM
In a tape recording and/or reproducing mechanism, the tape is wrapped a sufficient distance around a capstan idler wheel so that for high speed operations the tape is lifted fully from the tape...
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3688956 |
MAGNETIC TAPE TRANSPORT WITH CAPSTAN DRIVE
In a magnetic tape transport, an electromagnetic transducer assembly is positioned adjacent a capstan tape drive. Magnetic tape wraps around the capstan and the capstan moves the tape past the...
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3677493 |
AUTOMATIC STOP MECHANISM FOR A RECORDER USING MAGNETIC TAPE STORED IN A CASSETTE
A take-up reel drive control for tape recorders incorporating an automatic shut-off feature which utilizes the same motive force that drives the take up reel for actuating the automatic shut-off...
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3678216 |
AIR DISTRIBUTOR FOR OBTAINING UNIFORM HEAD-TAPE CONTACT IN MAGNETIC TAPE TRANSPORT
The specification discloses an air distributor for evenly distributing the flow of air against the width of a magnetic tape to maintain the tape along its entire width adjacent a read/write...
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3678209 |
STRIP MATERIAL HANDLING MECHANISM FOR SOUND SYSTEMS
A strip material handling mechanism comprises a rotatable sprocket wheel for moving strip material along a threading path in either of two directions through an openable sound gate having opposed...
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3673346 |
SOUND REPRODUCING AND OPTICAL PROJECTOR FUNCTION CONTROL APPARATUS
A sound reproducing apparatus includes a two channel magnetic tape and transducing head with associated circuitry. A first channel records and reproduces sound. A second channel reproduces and...
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3673351 |
TAPE FEED INDICATOR DEVICE FOR A TAPE RECORDER
A tape feed indicator device for a tape recorder comprising a switch for changing over a power source to a first or a second circuit in interlocking relationship with a device for changing a tape...
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3670145 |
TAPE FEED SYSTEM
A tape feed system together with an optical reader for reading data from the tape. A drive capstan having inner and outer flanges defining a tape holding region is driven by a step motor. One of...
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3653568 |
TAPE TRANSPORT MECHANISM
A transport mechanism for a strip of flexible recording tape. The mechanism includes a support having a loop-shaped passageway formed therein. The passageway has a predetermined length and is...
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3643890 |
APPARATUS FOR THE AUTOMATIC THREADING OF A FLEXIBLE MEDIUM
A unit for transporting a flexible record-keeping member, such as magnetic tape, with respect to a transducer, such as a read-write head, in which the medium is automatically threaded over a...
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3641279 |
REVERSIBLE TAPE TRANSPORT WITH INTERLOCKED HEAD POSITION AND TAPE DIRECTION CONTROL
A reversible tape transport moves a record tape, such as magnetic recording tape, between two rolls which function alternately as supply and takeup Rolls. One or more magnetic recording and/or...
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3641584 |
INCREMENTAL RECORDER WITH COMMON CONTROL OF DRIVE AND RECORDER
Apparatus for recording a series of data bits on a record track, and including a motor preferably operable by alternating current to advance the record track one step for each half cycle of the...
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3632899 |
ENDLESS MAGNETIC TAPE INDICATOR APPARATUS WITH AUTOMATIC INDEX AFTER A TAPE CYCLE
An endless magnetic tape indicator apparatus for an endless magnetic tape recording and reproducing apparatus wherein there is provided indication means which comprises, an index member rotatable...
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3633187 |
METHOD AND APPARATUS FOR CERTIFYING MAGNETIC RECORDING TAPE
A digital tape certifier method and apparatus is disclosed wherein certification digit signals are recorded on the tape at desired density for certification, the signals read and the tape stopped...
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3604847 |
MULTITRACK MAGNETIC RECORDING SYSTEM
A magnetic recording head has at least two magnetic transducers constructed in a common head in spaced-apart relation sufficient for convenient assembly and proper shielding of the individual...
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3602650 |
APPARATUS FOR SELECTIVELY FEEDING AN ENDLESS TAPE AT NORMAL OR FAST FEED AND FOR AUTOMATICALLY CHANGING FROM FAST FEED TO NORMAL FEED
A tape fast feed control apparatus in an endless magnetic tape cartridge player comprising a rotary drive capstan for driving the tape in the cartridge, an electric motor provided for driving the...
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3596009 |
TRANSLATING MACHINE
A translating machine that allows a prerecorded message to be selected by a user and reproduced. The machine might translate English to Russian, Russian to English, English to Vietnamese or any...
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3595584 |
TRANSDUCER APPARATUS
A video and/or audio magnetic transducer apparatus includes a capstan assembly formed with at least one annular groove therein and a compressible medium in the groove for nonrigidly backing a...
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3591731 |
METHOD AND APPARATUS FOR RECORDING REAL TIME SUPERIMPOSED ON OTHER INFORMATION
A method and apparatus for recording real time information simultaneously with other information signals to be recorded. The system utilizes one or more self-synchronous "generators" (record...
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3586789 |
TWO-SPEED TAPE TRANSPORT CONTROL USING TWO CONTROL SIGNALS
Apparatus for feeding a loop of magnetic tape is described in which signals recorded in a control track coextensively with information signals recorded in an information track are utilized to...
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3585313 |
GUIDE AND TRANSDUCER MOUNTING MEANS FOR TAPE TRANSPORT SYSTEM
A tape transport employing a capstan in contact with supply and takeup rolls of tape serves to drive the tape from supply to takeup roll. A crescent-shaped guide element defines a portion of the...
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3582781 |
VELOCITY DETECTING APPARATUS EMPLOYING A PAIR OF MODULATION-TYPE MAGNETIC HEADS ON WHICH CARRIERS ARE PHASE MODULATED BY FLUX FROM A MOVING MAGNETIC SCALE
A velocity detecting apparatus comprises a movable magnetic scale and a pair of modulation-type magnetic heads adjacent the scale and spaced apart along the latter by a distance (n+1/4) times the...
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3579870 |
TEST ADMINISTERING APPARATUS
A test administering apparatus has a plurality of tape playback units individually controllable by an examiner at a console to provide verbal instructions for, and to time a respective test, and...
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3580585 |
DEVICE FOR REPRODUCING SOUNDS IN TOYS
A sound-producing tape is wound on a reel having a spring-driven rewind. As the tape is pulled from the reel past a sound reproducer and a pivoted finger, the finger is pivoted due to its...
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3576584 |
DIGITAL INCREMENTAL MAGNETIC TAPE RECORDER
A recording medium is advanced an incremental distance by a stepper motor in response to a step command input. A displacement indicating means generates a write control signal to a recording means...
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3575658 |
METHOD FOR MEASURING INCREMENTAL SPEED OF TAPE TRANSPORT
A method for measuring the incremental speed of tape transport is disclosed. A first series of marks are prerecorded along the length of the tape at predetermined increments of space before...
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3575575 |
TAPE AND TAPE TRANSPORT PROVIDING DISTANCE SYNCHRONIZED MESSAGES
A vehicle-mounted tape transport adapted to play a single tape having sequential messages, each message beginning at preselected points along a designated route of vehicle travel.
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3569637 |
GAS ENVIRONMENT FOR RECORDER-REPRODUCER SYSTEMS
A technique is disclosed for minimizing undesirable frictional effects at the transducer-record medium interface of a recorder-reproducer system. The recorder-reproducer system is provided at the...
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3564155 |
PNEUMATICALLY OPERATED WRITE LOCKOUT MEANS FOR MAGNETIC RECORDER
Write lockout protection for a magnetic record is provided by having a lockout device removably carried with the record so as to engage, when the record is operatively installed on the recording...
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3550984 |
TAPE TRANSPORT MECHANISM
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3545766 |
TAPE RECORDER CONTROLS
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3545765 |
DEVICE FOR ENABLING THE DRIVING SPEED OF MAGNETIC TAPE TO BE INCREASED MOMENTS IN RECORDING AND PLAYBACK APPARATUS
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3531575 |
REPEAT MAGNETIC TAPE MACHINE
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3518649 |
TAPE DRIVE WITH MEANS TO INTERMITTENTLY CONNECT VACUUM TO TWO LOOP BOXES
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3506271 |
DEVICE FOR GUIDING AND DRIVING LINEAR RECORDING CARRIERS IN APPARATUSES FOR MAGNETIC SIGNAL RECORDING AND REPRODUCING
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3497635 |
TAPE RECORDER WITH AUDIBLE END OF TAPE INDICATING MEANS
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3495337 |
AUDIO RECORD TEACHING SYSTEM
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3493948 |
TAPE LOOP STORAGE DEVICE
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3487392 |
INCREMENTAL WEB MEMBER DRIVE SYSTEM
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3484051 |
COMPUTER TAPE TRANSPORT
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3482230 |
MAGNETIC TAPE RECORDER FOR RECORDING ALTERNATE BLOCKS OF DIGITAL SIGNAL DATA ON THE SAME TRACK
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3476884 |
AUTOMATIZED MAGNETIC RECORDING AND REPRODUCING APPARATUS
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3472464 |
AUTOMATIC RECIPROCATING MAGNETIC TAPE RECORDING AND REPRODUCING APPARATUS
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3472465 |
TAPE PLAYER REVERSING MECHANISM
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