Famous Patents
The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7218469 | Reel driving apparatus and magnetic recording and reproducing device having the same A reel driving apparatus and a magnetic recording and reproducing device including the reel driving apparatus, where the reel driving apparatus includes: a driver including at least a portion protruding under a deck chassis; a power transmitting unit transmitting a ... | 05/15/2007 |
| 6198595 | Logic deck mechanism for portable audio A portable audio logic deck mechanism includes a main base; a driving source installed on the main base; a power transmitting unit including a pair of capstan wheels isolated from each other at a predetermined interval on the main base, a pulley installed... | 03/06/2001 |
| 6105892 | Autoreverse mechanism An autoreverse mechanism for a tape recorder having two fly-wheels and two pinch rollers for winding a tape in forward and reverse directions comprises a head mount plate designed in such a way that when the head mount plate moves toward a reproducing/rec... | 08/22/2000 |
| 6018442 | Recording and/or reproducing apparatus having rotary scanning drum supported by a bearing having contacting bearing surfaces which provide electrical grounding An apparatus having a read/write head for reading and/or writing information on an information carrier which may be in the form of a tape or disc. The head is mounted on a drum which is supported on a shaft which axially rotates the drum so as to move the... | 01/25/2000 |
| 5995331 | Magnetic-tape-cassette apparatus In a tape deck for a magnetic-tape-cassette apparatus, a magnetic head is mounted on a magnetic-head mount in which the magnetic-head mount is arranged on a carrier element mounted on a deck plate and in which the magnetic head is movable in different pos... | 11/30/1999 |
| 5784230 | Automatic reversible tape recorder An automatic reversible tape recorder is disclosed in which the functions of the keys for fast forward and rewinding are improved, and the manufacturing and assembling are rendered easier owing to the simple structure of the components. The tape recorder ... | 07/21/1998 |
| 5765741 | Switching device for an auto-reverse deck of a magnetic tape cassette apparatus A switching device in an auto-reverse deck for a magnetic-tape-cassette apparatus, in which a first pressure roller (24) mounted on a first pressure-roller lever (20), for a first tape-transport direction, can be applied to a first capstan (36) in a first... | 06/16/1998 |
| 5742447 | Auto-reverse tape deck comprising a switching device The invention relates to a switching device in an auto-reverse deck for a magnetic-tape-cassette apparatus, comprising a drive mechanism which is pivotable in a pivoting range between a first and a second reel-disc wheel (51, 52), by means of which drive ... | 04/21/1998 |
| 5669570 | Magnetic tape cassette apparatus for reversible playing of magnetic tape cassettes A magnetic tape cassette apparatus for reversible playing of magnetic tape cassettes with two tape spools and spool hubs, whereby one of the tape spools is rotatable in the playback or fast winding mode at any given moment. For the fast winding function, ... | 09/23/1997 |
| 5650888 | Magnetic recording and/or reproducing apparatus having tape transport mechanism with capstan and roller arrangement A magnetic recording and/or reproducing apparatus is operable with a tape cassette including spaced apart tape supply and take-up reels and a length of magnetic recording tape having its opposite ends anchored to the tape supply and take-up reels, respect... | 07/22/1997 |
| 5638232 | Recording and/or reproducing apparatus for tape-shaped recording medium A tape recorder for recording and/or reproducing information signals by relative sliding contact between a rotary magnetic head provided on the rotary head unit and a magnetic tape having information signals recorded on it. The tape recorder includes a ro... | 06/10/1997 |
| 5583719 | Magnetic head mounting arrangement for a reversible drive tape cassette apparatus A reversible tape cassette drive includes a support plate which is displaceable with respect to the magnetic tape and is also pivotable about a pivot axis. By pivoting the support plate, a selected one of two pressure rollers is driven against a correspon... | 12/10/1996 |
| 5581431 | Playback/recording units with single power source selectively powering all operating functions A playback/recording apparatus, which operates with a recording tape medium, having a playback/recording head and tape driving capstan/pinch rollers mounted in cooperative relation, a loading/unloading mechanism which loads and unloads the tape medium bet... | 12/03/1996 |
| 5323279 | Magnetic tape driving apparatus with capstan rotating at different speeds A magnetic tape driving apparatus includes: a stationary magnetic head capable of recording and reproducing digital signals simultanouesly on multichannel tracks; tape guide members for drawing out a magnetic tape wound on a pair of tape supply/take-up re... | 06/21/1994 |
| 5321566 | Magnetic tape threading and transport apparatus including a sensor for controlling air bearing block movement A magnetic tape cassette helical scan magnetic tape recorder has a magnetic tape threading and transport apparatus including multi-surface, multi-radius air bearing blocks for transporting magnetic tape in a helical path around a tilted rotary head scanne... | 06/14/1994 |
| 5280400 | Microcassette to standard cassette adapter Disclosed is an adapter apparatus useful in conjunction with recording systems employing tape cassettes. The apparatus includes a first and second element for operatively engaging the tape drive element of a tape recorder/playback apparatus, a compartment... | 01/18/1994 |
| 5276571 | Cassette tape player A cassette tape player for use with a tape housed in a cassette for recording and/or reproducing the tape. The cassette is generally provided with two capstan insert holes, two guide holes formed between the two capstan insert holes, two pinch roller inse... | 01/04/1994 |
| 5276567 | Tape player A tape player includes a changeover mechanism for shifting the position of a tape travel direction changeover member in response to the reciprocating movement of a rewind pushbutton actuator, a head channel selector switch connected to the changeover mech... | 01/04/1994 |
| 5184262 | Dual motor mode switching mechanism for a recording and/or reproducing apparatus The present disclosure is relative with a recording and/or reproducing apparatus employing a tape, such as a magnetic tape, as the recording medium, and provides a mode switching mechanism for such apparatus. The mechanism includes a swing arm provided wi... | 02/02/1993 |
| 5164868 | Magnetic tape threading and compliance element guiding apparatus A helical scan magnetic tape recorder includes tape threading and guiding apparatus for threading magnetic tape from a two reel cassette about a rotary magnetic head scanner and for tensioning the tape during tape transport. The threading and guiding appa... | 11/17/1992 |
| 5144507 | Cassette tape recording and/or reproducing apparatus with a single pinch lever assembly A cassette tape recording and/or reproducing apparatus in which a single pinch lever pivotally supports a pair of pinch rollers corresponding to a pair of capstans rotatable in directions opposite to each other. A head operating member such as a head base... | 09/01/1992 |
| 5062014 | Reversing device having change-over mechanism for pinch rollers in tape recorders A reversing device for tape recorders includes a pivotable elongate resilient member having one end connected with a reciprocally movable changeover plate so as to move concurrently therewith in a direction perpendicular to the direction of movement of a ... | 10/29/1991 |
| 5029025 | Magnetic tape recording and playback apparatus A magnetic tape recording and playback apparatus includes a tape driving system for driving a tape, a recording/playing system for recording/playing/erasing and a linking device for mechanically linking the operations of the tape driving system with the r... | 07/02/1991 |
| 5023742 | Magnetic-tape-cassette apparatus including pinch roller-operated switching elements for producing muting and/or track direction detection The invention relates to a magnetic-tape-cassette apparatus (1) comprising a deck for playing magnetic-tape cassettes (2), containing a magnetic tape (29). The deck includes at least one drivable capstan (30 or 31) and a pressure roller counterpart (35) w... | 06/11/1991 |
| 5006941 | Reversible drive mechanism for a tape recording apparatus A motor for rotating a pair of capstan journals for feeding a tape in a tape recording apparatus is operable both in forward and reverse directions, so that the direction of feed of the tape is determined by the direction of operation of the motor. When t... | 04/09/1991 |
| 4873592 | Pinch roller drive engagement mechanism for a communications monitor and logger The communications monitor and logger preferably uses reel-to-reel tape recorders to continuously record communications over multiple channels such as multiple telephone lines. Each tape recorder uses a pair of capstans and pinch rollers to move the tape ... | 10/10/1989 |
| 4805044 | Idler gear cut-off mechanism for a cassette tape recorder A cassette type tape recorder comprises a magnetic head for recording on and reproducing from a magnetic tape in a tape cassette, a drive gear, a head displacing cam mechanism for changing-over the position of the magnetic head between its play and non-pl... | 02/14/1989 |
| 4799116 | Apparatus for controlling an auto-reverse tape recorder having a mode-changing mechanism In an auto-reverse type tape recorder also capable of repeatedly playing a tape in both directions, the tape travel is not shut off when the mode of operation is manually changed over from the normal run mode to the reverse run mode, or vice-versa, and af... | 01/17/1989 |
| 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 movable to its forward-mode, reverse-mode and neutral posit... | 09/01/1987 |
| 4674001 | Cam driven mode selection mechanism for tape recorder The mode selection mechanism in a magnetic tape recording and reproducing apparatus is adapted to move a mode plate and a forward/reverse changeover plate to given positions in response to a mode selecting manual operation and to thereafter move a power p... | 06/16/1987 |
| 4672477 | Cassette tape deck A cassette deck which can be easily miniaturized while being capable of being manufactured at a reduced cost. The cassette deck includes a head stand reciprocably mounted to be able to move in a direction perpendicular to the tape running direction. A mag... | 06/09/1987 |
| 4656552 | Cam driven actuating mechanism for a tape player A cam driven actuating mechanism for use in a tape player includes a drive source, a cam driven by the drive source, a control arm actuated by the cam profile of the cam, and a solenoid to hold the control arm at a given position off the cam. The cam incl... | 04/07/1987 |
| 4656321 | Three position switch and switching device for a magnetic-tape-cassette apparatus An electrical switch on a chassis of a magnetic-tape-apparatus has a switching lever movable between a center switch open position, an unstable switched closed position to one side of center, and a stable switched closed position to the other side of cent... | 04/07/1987 |
| 4647995 | Magnetic recording and/or reproducing apparatus A magnetic recording and/or reproducing apparatus for recording and/or reproducing signals on and/or from a magnetic tape which is accommodated within a cassette comprises a case, an inserting opening in the case through which the cassette is inserted int... | 03/03/1987 |
| 4639800 | Tape recorder First and second operating members can reciprocate in parallel to each other. When the first operating member moves one reel shaft rotates at high speed in the tape-winding direction. When the second operating member moves the other reel shaft rotates at ... | 01/27/1987 |
| 4638386 | Operation changing mechanism responsive to direction change of a reversible motor An operation changing mechanism for a tape recording/reproducing or other electronic apparatus includes a reversible electric motor for selectively rotating a driving gear in opposed directions, a first swinging gear engaged with the driving gear and rota... | 01/20/1987 |
| 4636889 | Magnetic-tape cassette apparatus with reversing tape direction A tape transport mechanism has a device for reversing the direction of tape transport, which pivots the head mounting plate so that either one of two pressure rollers pinches the tape against a respective capstan. The head mounting plate is guided by syst... | 01/13/1987 |
| 4612590 | Tape drive device for telephone answering device In a tape drive device for a telephone answering device, an idler is rotated by a motor and displaced selectively according to the directions of rotation of the motor so that the idler is brought into contact with a desired one of the first and second cap... | 09/16/1986 |
| 4602302 | Automatic reversing mechanism for cassette tape recording and reproducing apparatus A tape cassette recording and reproducing apparatus is provided with a mechanism that automatically reverses the tape drive direction at the end of the tape when the apparatus is in the playback mode, yet automatically stops the tape drive when the appara... | 07/22/1986 |
| 4599661 | Mechanism for driving capstans in tape recorders A mechanism for driving a pair of capstans includes a pair of first and second flywheels mounted respectively on the capstans and each having coaxial smaller- and larger-diameter portions, a capstan motor having a pulley including a pair of barrel-shaped ... | 07/08/1986 |
