Bizarre Patents
An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 5538260 | Mechanical seal A mechanical seal for preventing the leakage of fluid through the rotary sliding contact surfaces, in which a contact surface is provided with a plurality of fine one-way grooves having outer closed end portions. The fine grooves which are inclined outwar... | 07/23/1996 |
| 5532932 | Numerical control unit A numerical control unit for changing a cutting condition of a machine tool during machining of a workpiece. The numerical control unit includes a knowledge storage section for storing at least two rules for changing the cutting condition. At least one of... | 07/02/1996 |
| 5528016 | Drying apparatus for use in photosensitive material processing system A drying apparatus for use in a photosensitive material processing system, which is designed so that nonuniformity of drying in a direction intersecting a belt-shaped photosensitive material, e.g., a photographic negative film, photographic paper, etc., i... | 06/18/1996 |
| 5527604 | Metal base board and electronic equipment using the same A metal base board comprising a metal plate, a circuit conductor section, and an insulating layer provided between the circuit conductor and the metal plate wherein the insulating layer comprises an organic insulating material with flaky inorganic fillers... | 06/18/1996 |
| 5524536 | Print mechanism enabling mail carriers to be distinguished The present invention relates to the specific field of processing mail. More particularly, it relates to a print mechanism enabling a ail carrier to be recognized from the franking print applied to an article of mail, the carrier having been previously se... | 06/11/1996 |
| 5513802 | Revolving nozzle with fluid leakage prevention device The supply of fluid to a nozzle is interrupted by stopping the supply of fluid by providing a fluid leakage prevention device, that is opened by fluid supply pressure, inside a fluid feed hole possessed by a housing that holds a sphere integrated into a s... | 05/07/1996 |
| 5507004 | Communication control system for either providing blank areas or overwriting areas in a receiving RAM depending on deficient or execess word counts in received frames A communication control apparatus comprises a transmission control section for successively reading out words forming the transmission frame every once from a transmitting RAM in the case of transmission, a receiving control unit for writing the words for... | 04/09/1996 |
| 5493502 | Numerical control unit for controlling a machine tool to machine a workpiece at an instructed feed rate along linear and rotational axes A numerical control unit for a machining apparatus which operates under the control of a machining program comprising a plurality of blocks, such blocks being adapted to define a command or instruction for specifying and automatically controlling the rela... | 02/20/1996 |
| 5479585 | Method of carrying a sheet member for plotter and device therefor A method and apparatus for transferring a sheet by a belt drive in a plotter, so that the position of a transfer rail, on which grip devices which grip the sheet are disposed, does not shift during such transfer. The plotter includes a sheet support surfa... | 12/26/1995 |
| 5479409 | Method of transmitting timing advance data to a mobile station in a cellular mobile radio network and corresponding mobile station, base station controller and transmission system A method and system for transmitting timing advance data to a mobile station in cellular mobile radio network and corresponding mobile station, base station controller and transmission system. The method and system of the invention applied to a cellular m... | 12/26/1995 |
| 5477203 | Ignition coil assembly for internal combustion engine An ignition coil assembly for an internal combustion engine includes a primary coil, a secondary coil, at least one bobbin, a core, a first resin member and a casing. The primary coil and said secondary coil are wound on the bobbin. The core has core elem... | 12/19/1995 |
| 5469030 | Direct current motor drive apparatus A direct current motor drive apparatus generating low levels of heat is described. A pulse width modulation signal, generated by a pulse width modulator corresponding to a torque command signal, is applied to a Hall effect element. The Hall effect element... | 11/21/1995 |
| 5462034 | Intensive self-diagnosing system for engine exhaust gas control components and systems Malfunction of a purge air control system is checked based on a variation of a fuel tank inner pressure or an air-fuel ratio in response to forced introduction of purge air into an engine. During a mode of checking malfunction of the purge air control sys... | 10/31/1995 |
| 5461563 | Non-stage transmission control system In a non-stage transmission control system, the output current instruction signal of a microcomputer is provided as a pulse-width-modulated signal, with a result that the number of signal lines from the microcomputer is reduced. Furthermore, the current f... | 10/24/1995 |
| 5444783 | Automatic sound volume control device for acoustic instruments The present invention relates to a sound volume control device whereby the sound volume of an audio device is automatically controlled as a function of background noise. The apparatus includes a background noise detector means for generating driving signa... | 08/22/1995 |
| 5423069 | Method of allocating carrier frequencies for transmission within a transmission network, in particular in tactical network In a method of allocating carrier frequencies for transmission within a transmission network, such as a tactical network, the set of carrier frequencies constituting the available frequency resource for the network is broken down into batches of unequal s... | 06/06/1995 |
| 5422634 | Locking system using a key including an IC memory A locking system which is operated with card keys and the locking system is generally provided for a door lock of a guest room in a hotel. The locking system requires no time piece, and a card key including an IC memory can be used many times without ille... | 06/06/1995 |
| 5415154 | Dropaway arrow rest and overdraw assembly An arrow rest and overdraw assembly for use with a compound bow. The apparatus comprises a bracket mounted to the frame of the compound bow, an arrow rest/overdraw arm pivotally mounted to the bracket, and an actuator arm pivotally mounted to the arrow re... | 05/16/1995 |
| 5412543 | Variable light distribution type headlamp In the rear of a collimator lens there is disposed a reflector having a bulb serving as a light source, and a shade is interposed between the collimator lens and bulb. The reflector is mounted by means of a guide engagement mechanism, which is arranged su... | 05/02/1995 |
| 5405558 | Method of manufacturing microcapsules A method for manufacturing microcapsules which prevents capsule particles from adhering to the inner wall surfaces of a wall-film-forming reactor device, thereby to eliminate the possibility that qualities of the microcapsule, such as the heat resisting, ... | 04/11/1995 |
