Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 4167766 | Flexible disk transducer loading and unloading system A flexible magnetic disk storage system wherein the magnetic transducers ride on opposite sides of the diskette. The transducers are arranged with one transducer fixed in position relative thereto. The movable transducer is mounted on a carriage in a flex... | 09/11/1979 |
| 4158870 | Reflecting means for visual inspection of magnetic tape head This invention relates to improvements in magnetic tape transport mechanisms and provides means for facilitating the visual inspection of the magnetic head for use in combination with a flux shield for the magnetic tape. Reflector means is disposed in suc... | 06/19/1979 |
| 4153918 | 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... | 05/08/1979 |
| 4149206 | Cleaner for a playing head of a cassette player A cleaner of a playing head of a cassette player having a sprocket drive and a recess able to receive a cassette tape in a playing position. The cleaner comprises a hollow container dimensioned to be retainable within the recess. A hollow post is within t... | 04/10/1979 |
| 4141053 | Magnetic tape head cleaning apparatus The present invention is a device used to clean the magnetic tape head of a magnetic taped recording/playback unit incorporating the use of cassette mounted magnetic tapes. A housing of substantially the same shape and size of a magnetic tape cassette is ... | 02/20/1979 |
| 4138757 | Ultrasonic film cleaning apparatus An ultrasonic liquid film cleaning device having means for moving a film strip at high speeds between a pair of oppositely moving cleaning strips. The cleaning strips and the film are positioned for movement between a pair of beds which act as guides and ... | 02/13/1979 |
| 4138229 | Cleaning tape for magnetic head A cleaning tape used for cleaning the surface of a magnetic recording head of a tape recorder or the like consists of a substrate and a cleaning layer. The cleaning layer contains two kinds of particles. One kind of particles has a small diameter and a hi... | 02/06/1979 |
| 4135219 | Demagnetizer for a magnetic head of a recording-reproducing device A demagnetizer for a magnetic head for a recording/reproducing device. The demagnetizer includes an electromagnet for producing an alternating magnetic field which gradually decreases in intensity. The demagnetizer is mounted in a case formed in the shape... | 01/16/1979 |
| 4129892 | Back-up pressure mechanism with tensioned elongated member Tensioning device for use with electromagnetic read/write transducing apparatus wherein a flat elongated band or strip of non-magnetic material is arranged adjacent to a plurality of read/record heads effective to support an item adapted to move between t... | 12/12/1978 |
| 4106067 | Magnetic head cleaning jacket A cleaning jacket for a magnetic head used for flexible discs comprising a cleaning sheet and a sheet retaining jacket, the cleaning sheet comprising a flexible and non-magnetizable support, at least on one surface of which is provided an antistatic layer... | 08/08/1978 |
| 4100643 | Magnetic tape sensing head cleaner A magnetic tape sensing head cleaner disclosed has a hollow housing including a pair of housing members that are selectively latchable to each other in a closed position and releasable therefrom to permit replacement of a cleaning loop received by a track... | 07/18/1978 |
| 4065801 | Kit for cleaning tape cartridge playback unit A kit for cleaning the interior working parts of a cartridge type tape playback unit comprises a completely hollow cartridge case having parallel track guide means disposed in its two sides. The hollow cartridge case is designed to actuate the unit when i... | 12/27/1977 |
| 4065798 | Cleaning cartridge A cartridge for cleaning a magnetic head for use with flexible discs. The cartridge contains a cleaning disc comprising a flexible and non-magnetic support, with a magnetic layer provided on one or both surfaces of the flexible and non-magnetic support. A... | 12/27/1977 |
| 4044393 | Hand guided tape player The device is configured so that it is easily held in the user's hand and thereby guided along a strip of recording tape attached to a card, sheet of paper or plastic sheet and having a predetermined message recorded thereon. The device includes a motor f... | 08/23/1977 |
| 4012783 | Magnetic head A magnetic head comprises a pair of core pieces with a spacer interposed therebetween which defines a gap, a yoke which interconnects the ends of the both core pieces located remote from the gap, a bobbin into which the both core pieces and the yoke are f... | 03/15/1977 |
| 4004314 | Magnetic tape cleaning device A tape cleaning device, particularly for cleaning magnetic tapes contained in cartridges, cassettes or analogous receptacles, includes a housing having a leading end insertable into a tape recording and playing unit which has a capstan drive, and a traili... | 01/25/1977 |
| 3997919 | Cartridge tape machine cleaner apparatus Apparatus to enable efficient cleaning of the tape-contacting and associated elements of a cartridge tape machine. An open-backed tape cartridge shell is inserted in conventional fashion into a cartridge tape machine to provide access through the tape car... | 12/14/1976 |
| 3978520 | Magnetic head cleaning tape and method Magnetic heads of color video tape recorder (vtr) machines are cleaned without harmful abrasion by means of a novel magnetic head cleaning tape carrying a color bar signal. Abrupt appearance of the color bar test pattern at the video monitor permits cessa... | 08/31/1976 |
| 3964104 | Intermittent cleaner for rotating magnetic head Disclosed herein is a head cleaner for cleaning a rotating magnetic head without interrupting the operation of the tape drive using the rotating magnetic head. The cleaning is achieved by mounting an idler brush wheel at an angle to the path of the rotati... | 06/15/1976 |
| 3961375 | Apparatus for cleaning an informational tape An apparatus and method for cleaning an informational tape carried in a tape cassette. The cassette is positioned within a cradle defining a rear wall. Mounted to the wall for rotary movement thereon is a bobbin wrapped with cleaning fabric. Coaxially sec... | 06/01/1976 |
| 3958273 | Cassette-type head demagnetizer A cassette-type demagnetizer for magnetic heads of tape-recording and/or playback units has a housing provided with an open side which is juxtaposed with a magnetic head of a unit when the demagnetizer has placed onto the latter. A rotatable tape supply h... | 05/18/1976 |
| 3955214 | Device for cleaning the magnetic head and capstan roller of a cassette-type recording and/or playback unit in response to operation of the tape drive of the unit A cassette housing has an open side which faces the head and capstan roller of a tape recording and/or playback unit of the type using magnetic-tape cassettes, when the housing is placed in operative position on the unit in lieu of a tape cassette. One or... | 05/04/1976 |
| 3949424 | Guide member for use with a magnetic head of a ticket issuing machine A guide member for use with a magnetic reading and/or recording head of a ticket issuing machine is made of material of low permeability and has a portion of material of high permeability. When the guide member is located adjacent a magnetic read/record h... | 04/06/1976 |
| 3938193 | Magnetic transducer head having an integral magnetic shield and wear indicator Described is a magnetic transducer head assembly provided with a wear indicator to produce an indication when the head wear has proceeded to a predetermined point. For this purpose, the magnetic shield of the head includes a portion aligned with the pole ... | 02/10/1976 |
| 3932887 | Tape marker A tape marker for a tape playing machine in which tape runs past a reproducing head in a housing compartment. The compartment has a door through which tape is inserted and withdrawn when the tape is changed or edited. A marking arm having an inked marking... | 01/13/1976 |
| 3931643 | Magnetic head cleaning tape cartridge for use in magnetic recording and reproducing apparatus of the rotary head type A magnetic head cleaning tape cartridge is disclosed which comprises a length of cleaning tape assembly consisting of a transparent and relatively rigid leader tape, a cleaning tape which has a layer made of fibrous materials for intimate contact with the... | 01/06/1976 |
