|
Match
|
Document |
Document Title |
|
|
4530106 |
Counter device for use in tape recorder
In the disclosed device, a counter digitally counts the used or unused length of a tape, a display using a liquid crystal or the like displays the count, and a switch optionally shifts the count up...
|
|
|
4527210 |
Mode selecting mechanism for magnetic tape recording and/or reproducing apparatus
A mode selecting mechanism for a magnetic tape recording and/or reproducing apparatus is provided with a rotary member having a crank pin extending therefrom and being mounted on a chassis for...
|
|
|
4525761 |
Transcriber with erasing device
A transcriber used for repeatedly reproducing information recorded on a tape, comprised of a through-hole provided in a part of the main body of the transcriber and an eraser which has a magnet to...
|
|
|
4523247 |
Signal detection operating lever device of magnetic recording tape reproducing apparatus
A signal detection operating lever device comprises a first base plate, a second base plate parallel to the first base plate, a first operating lever between the base plates movable between a first...
|
|
|
4522488 |
Cleaning apparatus for a magnetographic printing device
A vacuum cleaning apparatus for a magnetic tape used in a magnetographic printer. The apparatus comprises an elongated nozzle opening in a flat base with a non-conductive screen attached thereto...
|
|
|
4521821 |
Operating lever apparatus
An operating lever apparatus for use in combination with a tape recorder which may be set to various modes according to various electric signals from a signal generating means, comprises a first...
|
|
|
4520470 |
Cleaning device for discs
A disc or record cleaning device especially for laser-read discs having digital recordings is provided in a disc storage container and incorporates a cleaning member with which the disc or record...
|
|
|
4520412 |
Autostop mechanism for tape recorder
A tape recorder of the cassette type is operated by a push button system employing cam surfaces and pins engaging and locking the respective buttons in the operational state. The buttons may be...
|
|
|
4519011 |
Power control circuit
An electronic power control circuit used in recording seismic data at unmanned remote locations is disclosed wherein the power requirements are minimized by segregating power distribution between...
|
|
|
4516176 |
Magnetic head cleaning diskette
A disk having a thin flexible platter with a mildly abrasive coating on at least one side thereof for contacting and cleaning a magnetic head. The coating includes magnetite (Fe 3 O 4 ) having an...
|
|
|
4514777 |
Device for cleaning the magnetic head of a recorder/reproducer apparatus for use with a magnetic tape cartridge or the like
A device is disclosed for cleaning the magnetic head of a recorder/reproducer apparatus having a cartridge compartment into which a tape cartridge is slid for data transfer contact with the...
|
|
|
4510544 |
Optoelectronic device for reading data contained on a magnetic medium
An optoelectronic device for reading data contained on the magnetic surface f a carrier comprises a source (SLP i ) for emitting a beam of polarized light and means (MDK i ) for detecting the angle...
|
|
|
4510545 |
Capstan cleaner for eight-track cassettes
A capstan cleaner for cassettes is disclosed, comprising a standard cassette casing provided with a cleansing wad located at the front end of the casing opposite the capstan of a cassette player...
|
|
|
4510589 |
System for securing combination radio and tape recorder
A coupling/uncoupling device for use in a combination appliance including a main appliance combined with an auxiliary appliance. The device includes an accommodation recess for accommodating the...
|
|
|
4507695 |
Tape recorder having transit noise preventing means
A tape recorder comprises transfer mechanism which is operatively connected to a power switch and transfers a head support lever to a position where a magnetic head is in contact with a tape upon...
|
|
|
4507694 |
Selection/drive system for use in a tape recording/reproducing apparatus
An improved selection/drive system is incorporated in a magnetic tape recording/reproducing apparatus such that the apparatus may be changed into any of the stop, playback, pause, que and review...
|
|
|
4506309 |
Tape drive calibration meter
A tape drive calibration meter that is adapted to display a number of calculated parameters for providing a numerical display of such conditions as skew, tape velocity, amplitude, and tape...
|
|
|
4504875 |
Information scanning circuit for use with a detachable portable _cassette tape recorder
A cassette tape recorder (1) of pocket size, which is detachably coupled to a radio receiver (2) is given music searching function. The cassette tape recorder (1) is normally powered by small...
|
|
|
4504871 |
Magnetic media test fixture apparatus
A test fixture apparatus for testing drives of magnetic recording media; the apparatus being adapted to simulate magnetic media for insertion within a magnetic recording drive. The test fixture...
|
|
|
4503476 |
Magnetic tape-cassette apparatus comprising at least two push-buttons
A magnetic tape-cassette apparatus having at least two push-button members, which perform different functions in the apparatus and a movable cassette compartment which is adapted to receive a...
|
|
|
4503475 |
Tape cleaner
Tape cleaning apparatus comprising a platform having an upstanding wall at one end is disclosed. Upper and lower means are provided in the wall for receiving pads to clean, lubricate, and impart...
|
|
|
4503471 |
Control arrangement for electronic appliance
The operation of an electronic appliance, such as a cassette tape deck, is controlled completely or partially by switch operation. The appliance includes a memory for storage of control...
|
|
|
4499516 |
Cleaning disk with opaque ring
A cleaning disk made of a thin fibrous material is provided with an opaque ring so that the cleaning disk will look like magnetic media to the sensors of a flexible disk system. The opaque ring may...
|
|
|
4499514 |
Disc drive apparatus
A disc drive apparatus for driving a disc selected from discs of various diameters with and without a central hole comprises: a turntable with a hole at the center of rotation thereof; a turntable...
|
|
|
4498115 |
Magnetic-tape cassette having a capstan cleaning device
A magnetic-tape cassette provided with a device for cleaning the capstan of a magnetic-tape cassette apparatus comprises at least one wiper which is connected to the housing of the cassette and...
|
|
|
4498113 |
Apparatus and method for cleaning a video player/recorder
A cleaning device comprising a cassette housing and a cleaning ribbon mounted on spools within the housing. With the housing inserted into a video unit, the guide members of the unit move the...
|
|
|
4497002 |
Method of and apparatus for driving a disk storage
To prevent damage to magnetic storage disks from sliding of the magnetic heads over the disk surface during running-out of the disk to a stop, the disk is positively braked when its drive is...
|
|
|
4495535 |
Wheel-driven mode switching mechanism for cassette tape recorders
A mode switching mechanism comprises a driving toothed wheel driven by a motor, a driven wheel having first and second coaxially mounted cams for rotation therewith, a toothed circumferential...
|
|
|
4491287 |
Pushbutton actuated cassette tape transport
A cassette tape recording and/or reproducing apparatus has a substantially rectangular chassis with a perimeter approximately coextensive with a tape cassette to be operatively positioned in a...
|
|
|
4491887 |
Mode selector of recording and/or reproducing apparatus
A stop/drive mode selector for a tape recording/playback device is capable of feather-touch operation by the plunger of a low power microsolenoid operating through a system of levers and springs. A...
|
|
|
4489740 |
Disc cleaning machine
A cleaning machine for cleaning annular discs is disclosed. Annular discs of rigid or flexible material are designed to receive a magnetic coating capable of operating as a memory for a computer....
|
|
|
4490766 |
Magnetic recording disk cleaning using controlled actuator motion
In a magnetic recording disk file employing a transducing slider which is closely spaced from the disk surface and has side rail members extending in the direction of disk motion and tapered...
|
|
|
4490761 |
Casette recorder cleaning unit
A disposable bobbin for a cassette cleaner unit includes a filament spool which holds a cleaning filament that is prewetted with a cleaning fluid. The bobbin is packaged in an impermeable pouch...
|
|
|
4490767 |
Manually operated conditioner for flexible magnetic disks
A simple and inexpensive apparatus for treating a floppy disk with conditioning fluid in order to clean, lubricate and destaticize the floppy disk is described. The apparatus comprises a means for...
|
|
|
4488197 |
Plate rocking-coupling apparatus
A plate rocking-coupling apparatus comprises a first plate member having in the peripheral surface of the first plate member an indentation with an opening, the length of the opening along the...
|
|
|
4488196 |
Remote control device for tape recorder
A remote control device for tape recorder is disclosed. The device comprises a microphone unit to be connected to a microphone amplifier system provided in a body of the tape recorder, various...
|
|
|
4485421 |
Colored floppy diskette
A colored diskette for holding a floppy disk with an outer colored substrate sheet forming an outer envelope, the inside of which is lined by a conductive layer acting as a shield and which is...
|
|
|
4484241 |
Automatic lock for head-carriage assembly in a disk file
A mechanical lock which serves to hold a transducer carriage in a fixed position at all times except when the storage disk is rotating at a speed sufficient to ensure that the transducers are...
|
|
|
4481382 |
Programmable telephone system
A cordless musical extension telephone unit with programmable capabilities, wherein a singular or a plurality of respective data block relevant to future phone calls to be made can be entered into...
|
|
|
4479579 |
Non-dublicable magnetic disk jacket and method of manufacture
A magnetic disk jacket which encloses and protects a magnetic disk is rendered duplication resistant by hot-stamp transfer printing an area of the jacket which cannot be supported in a flat or...
|
|
|
4479159 |
Process for detecting transported and residual tape amounts
A process for calculating the amount of recording tape or time left remaining on a tape reel includes sensing the rotational period of both the supply and take-up reels, and performing operations...
|
|
|
4475222 |
Tape cassette with use counter
The housing of a tape cassette is provided with mechanical or electrical structure for recording the number of times the cassette housing is withdrawn from a video cassette recorder. A display...
|
|
|
4472751 |
Tape recorder apparatus with portable plug-in module
A tape recording device consisting of a main module operative as a portable tape recorder including a first tape drive system and an adapter module having a second tape driving mechanism with which...
|
|
|
4471398 |
Magnetic-tape cassette apparatus having at least two push-buttons with a controlled overtravel
A magnetic tape-cassette apparatus comprising at least two push-buttons which have individual functions in the apparatus, when individually pushed in to produce a normal travel of their push-button...
|
|
|
4471391 |
Tape timer for tape recorder/reproducer
An improved tape timer is achieved by using pulses generated by a control track previously recorded on magnetic tape to determine the magnitude of phase shift between said control track pulses and...
|
|
|
4470089 |
Tape unit cleaning device
A cleaning cassette for a tape unit includes a supply reel and a take-up reel, with a cleaning ribbon mounted therebetween. The cleaning ribbon extends around various support surfaces in the...
|
|
|
4470083 |
Magnetic recording disk cartridge
An improved design for a compact floppy disk cartridge is provided in which the wiping fabric is prevented from moving and causing stringers out the head access window. This is accomplished by...
|
|
|
4467382 |
Magnetic recording and playback device having means for reducing head corrosion
A magnetic recording and playback device includes a magnetic head of a metallic soft magnetic material which, during operation, is in mechanical contact with a magnetic tape moved passed the head....
|
|
|
4467379 |
Recording and/or reproducing device making use of a cassette
A recording and/or reproducing device arranged to use a cassette containing a recording medium such as a tape, includes a tape loading mechanism operative to displace the tape contained in the...
|
|
|
4467380 |
Cassette loading/unloading apparatus for cassette tape recorder
A cassette loading/unloading apparatus for a slot-in type cassette tape recorder is provided with a toggle spring and an ejecting spring. The toggle spring is so disposed that a drawing-in stroke...
|