Bizarre Patents
Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 5508871 | Continuous audio and video tape A continuous magnetic tape cassette for use in a magnetic tape recording and/or reproducing apparatus. The cassette comprises a casing for housing a magnetic tape, which has two ends connected together continuously forming one endless loop. A hub is rotat... | 04/16/1996 |
| 5257747 | Unidirectional short tape endless loop cassette In a cassette for a standard tape player including a platen having an inverted conical hub mounted on the platen to freely rotate about one of the sprocket drive apertures of the cassette with an endless spool of magnetic tape coiled on the hub and platen... | 11/02/1993 |
| 4947279 | Miniature continuous tape loop cartridge having tape withdrawing opening A miniature continuous magnetic tape loop cartridge designed for heavy duty "fool proof" usage in message repeaters. It embodies a loading spindle for fast production loading, and spill chambers and a stripping post for protection against tape tangles and... | 08/07/1990 |
| 4910618 | Guide structure for guiding endless magnetic tape in a rotary head transport A guide structure for an endless magnetic tape has a stationary reel on which the tape is wound in a form of a tape roll. The tape is drawn out from an innermost turn of the tape roll and is taken up on an outermost turn of the tape roll. The guide struct... | 03/20/1990 |
| 4817881 | Endless microcassette tape A microcassette tape comprising a tape housing including top and bottom case halves, a reel, a tape mounted on said reel, a rotating shaft for the tape reel, a pinch roller provided at the front of the tape housing, and a capstan between which the tape pa... | 04/04/1989 |
| 4695003 | Self adjusting endless loop tape cartridge A cartridge including a cylindrical hub attached to a housing, which hub has a central opening and a slot extending axially across the width of the hub and communicating with the central opening, and an endless length of magnetic tape having a major porti... | 09/22/1987 |
| 4655408 | Separate tape guide for a continuous loop tape cassette A continuous loop tape cassette for use with an external tape player/recorder apparatus, having a cassette base, a cover and a separate tape guide positioned therebetween. The separate tape guide includes an elongated bridge molded of a low friction plast... | 04/07/1987 |
| 4494703 | Endless tape cassette A magnetic endless tape is made with a half of a normal tape width to avoid the tape housed in the housing from being pressed with unreasonable force; and a reel is provided with flanges as its upper and lower sides and a tape rolling-up wall of the reel ... | 01/22/1985 |
| 4427160 | Equalizer for tape tension In a tape cartridge, an equalizer for tension in the tape, comprising a unitary oscillatable member having means bearing on the tape at the takeoff area of a reel on a loose hub, and a second means bearing on the tape at the return or feedback area, the t... | 01/24/1984 |
| 4394989 | Adjustable endless loop tape cartridge with shipping lock A cartridge including a cylindrical hub attached to a housing, which hub has a central opening and a slot extending axially across the width of the hub and communicating with the central opening, and an endless length of magnetic tape having a major porti... | 07/26/1983 |
| 4367850 | Endless loop tape cartridge A cartridge including a cylindrical hub fixed on a housing, which hub has a central opening and a slot extending axially across the full width of the hub and communicating with the central opening, and an endless length of magnetic tape having a major por... | 01/11/1983 |
| 4311286 | Fixed reel type endless tape cassette An endless tape cassette including a stationary reel having a slit communicating the inner and outer peripheral sides and carrying an endless tape wound on the outer periphery, guide plates for guiding the endless tape wound on the stationary reel such th... | 01/19/1982 |
| 4301976 | Tape cartridge Within a single pack tape cartridge, a bearing szrface is integrated on the cartridge case to preclude segments of the tape pack from telescoping into clearance space and thereby a retaining ring is eliminated from the tape cartridge assembly.... | 11/24/1981 |
| 4219167 | Dual capstan tape transport mechanism A dual capstan tape transport mechanism having a magnetic tape trained along a path for movement successively between an upstream capstan and pressure roller, past record and play heads, and between a downstream capstan and pressure roller. A motor drives... | 08/26/1980 |
| 4148443 | Tape cartridge A tape cartridge for use in the reproduction of sound recordings on a tape is characterized by a brake mechanism which moves in a linear direction toward and away from the rotating reel and hub which carry the tape. The brake mechanism consists of a unita... | 04/10/1979 |
| 4122985 | Tape cartridge with self-aligning tape transport roller A tape cartridge is formed with a rotatable tape transport roller having a cylindrical exterior surface and a central bore into which protrudes a node from each inner sidewall of the cartridge to serve as trunnion axes for supporting the roller therein. I... | 10/31/1978 |
| 4034927 | Continuous loop tape cartridge A tape-pack carrier for a continuous loop tape cartridge comprises a hub for receiving the tape as a pack coiled therearound and to be mounted non-rotatively within the cartridge and an opening in the peripheral wall of the cartridge for the tape to be pu... | 07/12/1977 |
| 4022397 | 8-Track cartridge An endless tape cartridge having a base and cover includes a reel on the base on which a tape pack is coiled. The reel includes a flange and a hub, and the hub has an upper cylindrical portion which overhangs the tape wound on the reel. A flexible member ... | 05/10/1977 |
| 4020999 | Endless loop cartridge for video A video tape cartridge of endless loop configuration capable of tape speeds suitable for longitudinal scan television recording while providing one hour or more of continuous playing time on one-quarter inch width tape. In an illustrative embodiment tape ... | 05/03/1977 |
| 4017897 | Magnetic tape guide having a tapered roller and an adjustable contoured edge A tapered roller guide, provided for use with a helical-scan tape recorder, is rotatably mounted on a stationary guide post for guidedly inclining a magnetic tape toward or away from a helical path around a recording drum. A contoured edge guide provided ... | 04/12/1977 |
| 4015790 | Tape cartridge A cartridge for an endless magnetic tape with a reel having (1) a tape deck and an upwardly and inwardly tapered column with a wide cap to support the tape on the deck; (2) ribs and openings in the deck to crown the tape on the deck and allow particles to... | 04/05/1977 |
| 4004746 | Cassette magazine for motion-picture films Cassette magazine for motion-picture films comprising: a flat container having on a sidewall thereof a longitudinal sliding and exposing opening for the film drawn by conventional means of the projector, and a disc rotably carried in the container and hav... | 01/25/1977 |
| 3999719 | Reverse mechanism for tape cartridges A tape cartridge is provided having a reverse mechanism which enables recording tape to be driven in the reverse direction in the tape cartridge. The reverse mechanism includes a rewind reel that is mounted in a juxtaposed relation with the tape reel of t... | 12/28/1976 |
| 3974975 | Doubled-end cartridge tape An improved cartridge tape that is wound up upon a tape spool, and consisting of an endless tape located in a tape player cassette, the tape being able to be unwound from the center of the tape roll and wound up around the outer edge of the roll, so that ... | 08/17/1976 |
| 3972485 | Endless-roll film cartridge In an endless-roll film cartridge the problem of cyclical variation in film stepping distance (tick-tocking) is overcome by isolating the inertia of the coil of film from the segment of the film loop engaged by the drive claw, and by storing energy in the... | 08/03/1976 |
| 3966134 | Cassette for an endless type cinefilm Cassette for an endless type cinefilm comprises a casing containing therein the film coiled to form windings thereof supported and guided between outer and inner guide rings. The casing has a film gate across which a portion of the film pulled out of the ... | 06/29/1976 |
| 3945582 | Cassette tape A tape cassette comprises a case open at its top and having a tape-loaded reel rotationally mounted therein, a cover slidably opening and closing the opening of the case in a sidewise direction, and a pair of tape delivery members mounted on the forward p... | 03/23/1976 |
| 3942734 | Tape cartridge A cartridge for an endless magnetic tape which includes a tape reel, a pressure roller and a drive connection between the pressure roller and a portion of the tape reel. In this way, the pressure roller can be utilized to drive that portion of the tape re... | 03/09/1976 |
| 3938752 | Auxiliary drive endless loop tape cartridge Commercially available cassette cartridges which are reel-to-reel magnetic tape cartridges of a standard size and design can be converted to endless loop cartridges by replacing one of the reels with an auxiliary drive assembly including a drive hub with ... | 02/17/1976 |
