Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 6855285 | Magnetic tape cassette In a magnetic tape cassette, a top end portion of a reel urging plate spring for urging a tape reel is subjected to a surface treatment to prevent from a friction. A distance between a couple of flanges of the tape reel is selected to keep a form of the wound magnet... | 02/15/2005 |
| 6744596 | Magnetic tape cartridge In a magnetic tape cartridge comprising a thin cartridge casing having flat upper and lower surfaces and a single reel which is housed in the cartridge casing for rotation and around which a magnetic tape is wound, island-like or point-like projections are provided ... | 06/01/2004 |
| 6563670 | Data storage tape cartridge with guide having wear pattern A data storage tape cartridge (10) includes two tape guides (23, 24). The tapes guides (23, 24) have a foil (43, 143, 243) which is constructed from material which causes a wear pattern (200) to be formed in the foil (43), thereby removing localized force... | 05/13/2003 |
| 6417977 | System for testing and cleaning a removable media drive A system for testing and cleaning a removable media drive such as a tape drive includes a utility cartridge and computer readable program code to initiate utility operations. The utility cartridge comprises computer readable magnetic storage media for per... | 07/09/2002 |
| 6288872 | Lifter device for magnetic tape cartridge A lifter device, and a method of maintaining contact between a magnetic tape in a tape cartridge and an external read/write device using the lifter device that provides tension on the tape sufficient to maintain contact between the tape and a read/write d... | 09/11/2001 |
| 6118630 | Compliant edge guiding and following system for tape Disclosed is a compliant edge guiding and following system for recording tape. Two tape bearings are provided which define a tape path, each having a bearing surface for supporting lengthwise travel of the recording tape along the tape path. A movable tap... | 09/12/2000 |
| 6108168 | Tension stabilizer insert for data cartridge A stabilizer insert is attached to a magnetic tape cartridge, where the cartridge includes a magnetic tape, a bay portion where the magnetic tape is exposed to the outside of the tape cartridge so that a read/write device can physically contact the tape. ... | 08/22/2000 |
| 6057993 | Lifter device for magnetic tape cartridge A lifter device is provided, with an adhesive for attaching the lifter device to a magnetic tape cartridge, the cartridge including a magnetic tape, and a bay portion where the magnetic tape is exposed outside of the tape cartridge. A read/write device ca... | 05/02/2000 |
| 5757593 | Magnetic-type cassette with a pad having a polytetrafluoroethylene layer anchored to the open pores of a foam base In a cassette for a magnetic tape, which has a housing with a housing wall formed with an access opening for a magnetic head, and a tape-pressure device including a pressure-pad support and, arranged thereon, a pressure pad having an elastic base of a foa... | 05/26/1998 |
| 5519562 | Compliant tape guide A compliant tape guide in a tape cartridge loads edge of a tape with an optimum pressure and a minimum of vibration by a series of compliant spring arms which transmit a guiding load to the edge through a flexible metal foil. The metal foil contacts the t... | 05/21/1996 |
| 5477406 | Pressure device for recording media in a tape cassette A pressure device for recording media in tape form, in particular magnetic tapes, has at least one pressure element and comprises a support element. When the device is actuated by the head coming to bear, a deflection of the device takes place, and a pres... | 12/19/1995 |
| 5420738 | Audio tape cassette comprising a felt pad and a magnetic tape having a specified back coat layer An audio tape cassette comprising a cassette shell, a pair of hubs which is rotatably positioned in the cassette shell, a magnetic tape which is wound around the hubs with its magnetic layer facing outward, guiding parts which are positioned in the casset... | 05/30/1995 |
| 5418669 | Magnetic-tape cassette having a pressure-member support and a tape-guide-member support which independently engage common abutments therein A magnetic tape having an elongate pressure-member support for supporting a pressure member and an elongate tape-guide-element support for supporting two tape guide elements. Two abutment parts are arranged at the location of side portions of the pressure... | 05/23/1995 |
| 5408378 | Magnetic-tape cassette comprising a pressure-member support, and pressure-member support for such a cassette In a cassette (1) comprising a pressure-member support (58) arranged adjacent a side wail (8) to hold an elastic pressure member (56) by means of which a magnetic tape (2) can be pressed against a magnetic head which can be introduced into the cassette (1... | 04/18/1995 |
| 5390063 | Video cassette pressure flap A pressure flap for eliminating slack in a tape cassette. The pressure flap includes a body portion having a tape contact edge at a first end thereof, and a fold line at a second end thereof. The body portion is bowed along a line extending generally para... | 02/14/1995 |
| 5094434 | Support spring for a tape cassette The present invention provides a support spring which may be used in connection with cassettes, and particularly video cassettes. The support spring has a central portion which is adapted to be fixed to an inside surface of the upper portion of a cassette... | 03/10/1992 |
| 5074486 | Magnetic-tape cassette A magnetic-tape-cassette (1) comprises tape guides (34, 35), which are arranged on a resilient element (40) and is constructed for cooperation with an apparatus (2) comprising a magnetic-head unit (4) and further tape guides (6, 7). During cooperation wit... | 12/24/1991 |
| 5075811 | Tape cartridge modified to regulate insertion depth of the cartridge case in a recording device In a recording tape cartridge having a front lid member movable between a closed position for protecting a recording tape and an opened position and a dust cover movable with the front lid member for defining a tape accommodating space therebetween, the l... | 12/24/1991 |
| 5010434 | Tape cassette having a two-reel brake system having identical brake levers therefor A tape cassette has a two-reel brake system having identical brake levers and an actuating element possessing actuating arms for the brake levers, the actuating arms being arranged at least close to the ends of the swivel axle. The brake system is suitabl... | 04/23/1991 |
| 4946148 | Leaf spring for supporting reels of a video tape cassette A leaf spring for supporting supply and take-up reels of a video tape cassette which has a narrow and uniform width on the whole while having a proper tensional force suitable for supporting the reels, whereby the leaf spring prevents a tape from badly tr... | 08/07/1990 |
| 4942492 | Wiping device for magnetic tape cassettes A wiping device for a magnetic tape cassette is provided with an elastic main body having a securing element cooperable with a cassette housing so that the main body can be mounted to and removed from the housing from the outside of the cassette without d... | 07/17/1990 |
| 4860967 | Magnetic-tape cassette and tape-pressure member for use in such a cassette In a magnetic-tape cassette the housing comprises a peripheral wall (7) with an opening (7a) for the passage of a magnetic head (27). The cassette is provided with a tape-pressure (19) comprising a pressure element (22) which near the opening (7a) lies ag... | 08/29/1989 |
| 4821135 | Thermosetting resin stationary tape guides for magnetic tape cassettes A tape guide for magnetic tape cassettes, comprising a thermosetting resin composition, such as a polyester resin having a glass transition point of not lower than 100° C. containing an inorganic filler such as silicon powder and, optionally, a resin pow... | 04/11/1989 |
| 4796135 | Two layered tape pad for a magnetic tape cassette In a magnetic recording tape cassette, a tape pad to be urged in contact with a magnetic head of a tape-recorder with the intervention of a magnetic tape is secured to a resilient metal strip. The tape pad is composed of at least one layer of a porous syn... | 01/03/1989 |
| 4761701 | Biasing member for biasing a tape in a magnetic tape cassette A plate spring with an attached pad for mechanically biasing a magnetic tape in a tape cassette. The plate spring has a central portion to which the pad is attached, two tapering portions on either side thereof, and two pawls at right angles at the ends o... | 08/02/1988 |
| 4750066 | Grounding for magnetic head unit in a plastic mount Magnetic head unit (1) in a plastic mounting (3) which encloses the magnetic head casing (30) behind the head face (4). The plastic mounting (3) has tape guide elements (7) which guide the magnetic tape moved along the head face (4) in the correct azimuth... | 06/07/1988 |
| 4747007 | Spring means for biasing a tape against a head inserted in a cassette A tape cassette has a housing and a pressure pad apparatus mounted within the housing for bringing a magnetic tape into direct contact with a magnetic head. The pressure pad apparatus includes a pad, a spring joined to the pad for imparting a pushing forc... | 05/24/1988 |
| 4731687 | Tape cartridge A partition wall and a pair of side ribs are disposed in the front portion of a tape cartridge with a gap substantially equal to a thickness of a magnetic shielding plate so as to support the magnetic shielding plate by the partition wall and the side rib... | 03/15/1988 |
| 4669020 | Cassette pressure pad improvement An improved pressure pad construction for a cassette is provided, comprising a soft foam material properly dimensioned to fit snugly between the magnetic shield plate and the tape and between the cassette sides, which in one form includes a bracket which ... | 05/26/1987 |
| 4669018 | Magnetic tape cassette A cassette tape having a reduced amount of movement of the tape in the widthwise direction of the tape. A U-shaped shield plate is disposed between and behind guide poles which protrude on both sides of a magnetic head inserting hole. The shield plate has... | 05/26/1987 |
| 4620255 | Tape cartridge static eliminator Static electric charge build-up is eliminated in tape cassettes having a housing with a take-off spool and a take-up spool for magnetic tape mounted in the housing. First and second tape guide support pins are mounted in the housing on the take-off spool ... | 10/28/1986 |
| 4599669 | Magnetic-tape cassette having an element for cleaning a tape drive capstan during normal operation A cleaning element is mounted between guide walls of a tape cassette housing for movement perpendicular to the front wall of the cassette. A spring presses the cleaning element radially against the capstan during normal tape transport past the capstan.... | 07/08/1986 |
| 4593335 | Pressure pad device for a magnetic tape cassette A pressure pad device for a magnetic tape cassette comprises a leaf spring having a central fulcrum portion, left and right side portions extending symmetrically from the central fulcrum portion, and each pad attached to each near end of the left and righ... | 06/03/1986 |
| 4564157 | Magnetic recording tape cassette A magnetic recording tape cassette includes a cassette casing for accommodating a pair of hubs around which a magnetic recording tape is wound. The casing is provided, in the front face thereof, with a magnetic head receiving opening and a pair of tape gu... | 01/14/1986 |
| 4561033 | Pad apparatus for magnetic tape cassette In a pad apparatus for a magnetic tape cassette for bringing a magnetic tape running in one direction into close contact with a core on the surface of a head of a tape recorder for recording or reproducing, a pad has a surface which faces the surface of t... | 12/24/1985 |
| 4544975 | Pad assembly for tape cassette In a magnetic recording tape cassette, a pad supporting member which supports a tape pad for backing the recording tape against the magnetic head of a recording/reproducing system comprises upper and lower halves. Each half includes a pad supporting porti... | 10/01/1985 |
| 4544976 | Pad provided in the interior of a videotape cassette A pad which is to be provided in the interior of a videotape cassette according to this invention is in the form of a hollow cylinder. When fitted in place in the interior of a videotape cassette, the cylindrical pad is yieldingly deformed to produce a re... | 10/01/1985 |
| 4506846 | Tape cassette with separate tape guide A tape cassette for use with an external tape player/recorder apparatus having upper and lower cassette halves and an independent tape guide for insertion between the cassette halves. The independent tape guide is a subassembly comprising an elongated bri... | 03/26/1985 |
| 4476510 | Tape cassette A thumb-sized tape cassette having a rectangular housing with top, bottom, front, back and side walls. The front wall is provided with a center opening and side openings disposed on opposite sides of the center opening. A tape member, which runs between s... | 10/09/1984 |
| 4451864 | Magnetic-tape cassette A magnetic-tape cassette of the type having an opening in a side wall along which the magnetic-tape extends, for insertion of a magnetic head through the opening to scan tracks on the magnetic-tape. A pressure element in the cassette, behind the place whe... | 05/29/1984 |
