Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 6353561 | Semiconductor integrated circuit and method for controlling the same A semiconductor memory device, such as a synchronous DRAM, receives external commands and an external clock signal via input buffers. The device generates internal clock signals having a slower frequency than the external clock signal and uses the interna... | 03/05/2002 |
| 6327120 | Actuator using piezoelectric element and head-positioning mechanism using the actuator An actuator having a simple configuration requiring no high dimensional accuracy, high in positioning accuracy and low in cost, and a head-positioning mechanism using the actuator are disclosed. An actuator according to a first application comprises a she... | 12/04/2001 |
| 6212157 | Apparatus for suppressing warping optical disk and optical disk apparatus An apparatus for suppressing warping of a rotating optical disk including a disk warp suppressing member facing a surface of the upturned side of the optical disk in a manner to be in sliding contact with the optical disk, and an elastic member for suppor... | 04/03/2001 |
| 6011869 | Method and apparatus of decoding moving image In storing decoded image data of a picture into a memory 23, PTS1 and a valid/invalid flag F1 corresponding to the picture are stored at the top boundary address ADR1 of a storage area within the memory 23, ADR1 is temporarily held in a register circuit 2... | 01/04/2000 |
| 5893931 | Lookaside buffer for address translation in a computer system A method and apparatus for performing address translation in a computer system supporting virtual memory by searching a translation lookaside buffer (TLB) and, possibly, a translation table held in memory and implemented as a B-tree data structure. The TL... | 04/13/1999 |
| 5850224 | Three dimensional parallel drawing apparatus for synthesizing graphics data with image data using a pixel depth buffer and an image depth register A three-dimensional graphics drawing apparatus having a plurality of frame buffers, a Z buffer and a Z register. The frame buffers are for writing pixel data into an address designated by coordinate values (X, Y) of ZY display coordinates and for storing ... | 12/15/1998 |
| 5829045 | Apparatus for restoring/copying the contents recorded in a storage medium to an auxiliary storage including partitions having independent file structures An apparatus for restoring/copying recorded contents includes a first auxiliary storage (for example, a hard disk) including partitions each having an independent file structure. One particular partition recording partition data concerns the storage posit... | 10/27/1998 |
| 5694550 | Automatic switching method of a right of management/control for shared-storage unit An automatic method for switching a right of management/control for a shared-storage unit between a plurality of service processors in a cluster-coupled system having a shared-storage unit with a service processor selecting register and a plurality of clu... | 12/02/1997 |
| 5671239 | Semiconductor memory of xN type having error correcting circuit by parity A memory device for storing data of a multi-bit structure in a plurality of memory cell blocks has a parity cell block having the same structure as the memory cell block. If read data contains an error bit, this error bit is corrected by an EOR calculatio... | 09/23/1997 |
| 5582950 | Process for producing flash fusing color toner A process for producing a wherein an aminium salt infrared light absorber and a positive charge control agent are used in combination while preventing a mutual reaction therebetween. In this toner, the physical contact of the aminium salt compound with th... | 12/10/1996 |
| 5489372 | Process for producing light absorption layer of solar cell A process for producing a light absorption layer of a solar cell is disclosed, in which prior to heat-treatment, at least two of the following steps are performed in combination: (1) electrodeposition of a copper layer including selenium particles, (2) el... | 02/06/1996 |
| 5359604 | Input-output signal control apparatus When input signals from a plurality of input ports are selected and are inserted into the time slots to be output from a single output port and to insert respective signal data into time slots in synchronization with a synchronizing signal, the apparatus ... | 10/25/1994 |
| 5339132 | Mount structure of a light emitting element array in electronic photographic apparatus A light emitting element array in an electronic photographing apparatus, in which a photoconductor drum is exposed to a light from a light emitting array having a plurality of light emitting diodes to form a latent image on the drum, and a high quality, s... | 08/16/1994 |
| 5270224 | Method of manufacturing a semiconductor device having a region doped to a level exceeding the solubility limit A bipolar transistor includes a base region made of silicon crystal doped with a first impurity to a first level so as to establish a first carrier concentration in the base region and an emitter region made of silicon crystal doped with a second impurity... | 12/14/1993 |
| 5264382 | Method of producing semiconductor device using dummy gate structure A method of producing a semiconductor device (MESFET) which includes the following steps (a) to (h): (a) forming a trapezium dummy gate, which is made of a first insulating material (SiO2) and has two normal slopes, on a semiconductor substrate... | 11/23/1993 |
| 5187732 | Board-to-board test unit for a digital subscriber line An upstream PCM link accommodated in a new switch is bridged to a downstream PCM link accommodated in an old switch in the normal operating condition. A test unit sends the number of a subscriber to be tested to an old and new switches. The old switch sen... | 02/16/1993 |
| 5178721 | Process and apparatus for dry cleaning by photo-excited radicals In a photo-excited dry cleaning with a halogen, a highly efficient radical generation can be obtained while selecting a cleaning gas or reaction gas pressure appropriate for removing contaminants from a substrate to be cleaned. This can be attained by con... | 01/12/1993 |
| 5130980 | Data communication system with protection of error propagation A synchronous communication system includes a plurality of node elements and at least one two-way transmission line. Each of the node elements contains a receiving unit for receiving information which is transmitted on the transmission line; a transmittin... | 07/14/1992 |
| 5125783 | Automatic conveyance system An automatic conveyance system comprises a buffer storage for storing a plurality of unit racks containing units; a plurality of test cells for testing the units contained in the unit racks; and a plurality of test cell controllers, each being provided in... | 06/30/1992 |
| 4745320 | Induction motor An induction motor has a stator formed by inserting and holding piled steel plates (12) between end plates (11a, 11b) and welding support bars (13) consisting of nonmagnetic metal along the external surface of said piled steel plates.... | 05/17/1988 |
| 4538639 | Robot wrist of an industrial robot A robot wrist of an industrial robot having a wrist housing supporting two orthogonally arranged rotating output shafts therein, each of the shafts being connected to a robot hand, and a built-in fluid conveying means provided for distributing pressurized... | 09/03/1985 |
| 4530636 | Device for operating a hand of an industrial robot A device for operating a hand of an industrial robot is so constructed that fluid pressure cylinders (43, 44) are provided as a driving mechanism of the hand (4) of the industrial robot, branch passages including a pressure-reducing valve (47) are provide... | 07/23/1985 |
| 4518916 | System for detecting rotational speed A system for detecting the rotational speed of a rotating body comprising the steps of generating two kinds of signals A and B having alternating wave forms and corresponding to the rotational speed of the rotating body by means of position-detecting devi... | 05/21/1985 |
| 4502830 | Industrial robot An industrial robot having a trunk mounted for vertical and rotational movement on a stationary base is provided with two arm members extensible from the said trunk having a robot wrist mechanism attached to their ends. The extending and contracting movem... | 03/05/1985 |
| 4495561 | Numerical control method Disclosed is a numerical control method for a numerical control (NC) system having a device to execute a mirror image function wherein the moving direction of a movable member is reversed with respect to a commanded direction for each control axis, and a ... | 01/22/1985 |
| 4495453 | System for controlling an industrial robot A system for controlling an industrial robot having a wrist (1) driven to rotate by a direct-current motor (2) having a servomechanism, wherein stroke-limit position control (6) of the wrist and rotational control (7) of the wrist can be selectively carri... | 01/22/1985 |
| 4494206 | Control device for indexing a stepping rotatable member A control device for indexing a stepping rotatable member, such as a turret of an NC lathe, comprising a means for generating code signals which generates different code signals at every stop position of the stepping rotatable member (TR), a means for gen... | 01/15/1985 |
| 4492301 | Workpiece feeder A workpiece feeder for successively feeding workpieces to a predetermined workpiece gripping station of the robot's hand. The workpiece feeder includes a conveyor having a plurality of interspaced pallets traveling on a table. Each pallet comprises a lowe... | 01/08/1985 |
| 4491906 | Method of creating curved surface A method of creating the curved surface of a body including steps of generating a plurality of intermediate sections and finding a section curve in each of the intermediate sections, in accordance with predetermined rules, from section data specifying giv... | 01/01/1985 |
| 4490781 | System and method for preparing numerical control information A system for preparing numerical control information wherein data necessary for machining is divided into several items and then entered, item-by-item, in accordance with certain rules, in an apparatus for preparing numerical control information. The appa... | 12/25/1984 |
| 4489821 | Workpiece feeder An apparatus for feeding workpieces to a workpiece gripping position of a hand of an industrial robot, especially a workpiece feeder used for a limited axis robot, comprising a conveyor which is mounted on a table and has a plurality of pallets, the workp... | 12/25/1984 |
| 4486741 | Manual data input device for a numerical control apparatus A data input device equipped with a keyboard including a plurality of keys at least some of which are assigned both a letter of the alphabet and a numerical value, which keys are operated to generate signals representing data that comprises a letter of th... | 12/04/1984 |
| 4485458 | Cassette-type magnetic bubble memory device A magnetic bubble cassette comprising bubble memory devices mounted on a printed board in a case and a connector for connecting said bubble memory devices to an external apparatus, including through another bubble memory device for driving said bubble mem... | 11/27/1984 |
| 4484855 | Double-hand unit A double-hand unit adapted to be secured to the wrist part of an industrial robot and to be used for gripping shaft works or the like is disclosed. The double-hand unit comprises two hand units (2, 3) comprising at least two pairs of fingers (2-1, 2-2 and... | 11/27/1984 |
| 4485423 | Power source for control equipment A power source for control equipment which is designed so that even if one or more independent power sources (700) are added to a main power source (600), the power source arrangement, as viewed from the control equipment supplied with power therefrom, ca... | 11/27/1984 |
| 4484286 | Numerical control system A numerical control system for executing numerical control processing on the basis of a command program, and for actuating a machine in accordance with the results of the processing steps to machine a workpiece in the manner specified by the instructions ... | 11/20/1984 |
| 4484287 | System for restoring numerically controlled machine tool to former condition A system for restoring a numerically controlled machine tool to its former condition after a power interruption, the numerical control system being of the type in which a position sensor senses the current position of a movable member or of a drive motor ... | 11/20/1984 |
| 4481568 | Numerical control method and apparatus A numerical control method and apparatus for controlling the movement of a movable member by setting entry forbidden areas which the movable member is forbidden to enter. Entry forbidden information relating to the boundaries of the entry forbidden areas ... | 11/06/1984 |
| 4479754 | Industrial robot An industrial robot, mountable on a machine tool for carrying a workpiece to a spindle of the machine tool, and having an arm, one end of which is equipped with a wrist having a gripping device for gripping a workpiece. The robot further includes a main b... | 10/30/1984 |
| 4473785 | Numerical control unit A numerical control unit which includes a main bus connected to (a main processor) operates, according to an execution program stored in a main memory, on data from the memory or a tape reader, and applies the results of the operation to axis-control circ... | 09/25/1984 |
