Bizarre Patents
Behavior Modification Wristwatch
A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.
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| Number | Title | Issue Date |
| 7906932 | Signal processing device, velocity detecting device and servo mechanism A driving velocity of a motor is detected by processing a position information signal output from a sensor in accordance with a driving position of a motor. The signal processing device includes a position information signal processor (410) that processes the... | 03/15/2011 |
| 7659682 | Servo motor controlling method A servo motor controlling method includes: directly or indirectly detecting a position of a moving body which performs a circular-arc interpolation feeding motion by a servo motor; performing a feedback control for enabling the position of the moving body to comply ... | 02/09/2010 |
| 7528565 | Signal processing device, signal processing method, signal processing program, recording medium storing the program, speed detector and servomechanism A signal processing device processes a position information signal (A sinθ, A cosθ) output from a sensor in accordance with a driving position of a motor and detects a driving speed of the motor. The signal processing device includes a position information signal ... | 05/05/2009 |
| 6999843 | Numerical control apparatus and CAM system Upon analyzing a processing program (5) in an analyzer (11, 31), a numerical control apparatus extracts information about a contact position between a tool and a workpiece, and based on the information, it calculates a main spindle revolution instructi... | 02/14/2006 |
| 6859680 | Numerical controlling unit having tool-breakage detecting function A numerical controlling unit includes: an inputting part into which a machining program is inputted; an analyzing part that analyzes the machining program to generate an instructed spindle rotational speed and calculates a spindle load ratio of a load applied to a s... | 02/22/2005 |
| 6823233 | Numerical controlling unit A numerical controlling unit that accelerates or decelerates a feeder-driving system includes; an acceleration setting part that can set a volume and a timing of an acceleration that should be supplied to the feeder-driving system, based on a predetermined target co... | 11/23/2004 |
| 6771036 | Position control method and position control system for drive feed equipment When driving a plurality of paralleled feed drive mechanisms individually by servo motors (105, 106), torque of the servo motors (105, 106) is detected, and in dependence on a difference therebetween, a position command of servo motor (106) at a... | 08/03/2004 |
| 6690136 | Numerical controlling unit The invention relates to a numerical controlling unit that includes: a instructing part that provides a command acceleration for a servomotor, a parameter storing part that stores a threshold parameter about a load of the servomotor, and a load measuring ... | 02/10/2004 |
| 6625502 | Automatic speed loop gain adjustment method and apparatus for a feedback control system Automatic speed loop gain adjustment of a feedback control system begins by setting up a phase margin range and a gain margin range. A speed open loop condition is provided by separating a speed command value from a speed feedback value. White noise is in... | 09/23/2003 |
| 6606535 | Numerical control apparatus and feed control processing method therefor A machining program is read in and interpreted and a determination is made as to whether the amount of movement called for by a block of commands is larger or smaller than a minimum amount of movement that is established by a feed speed and a one sampling... | 08/12/2003 |
| 6597968 | Numerical control apparatus and control method of machine tool A numerical control apparatus of a machine tool capable of shortening a machining time while maintaining a machining precision of a workpiece, provided with an analyzer for analyzing a machining program defining machining process of a workpiece by the mac... | 07/22/2003 |
| 6556879 | Numerical controlling unit using machining information The numerical controlling unit includes an inputting part for inputting an inputting program. The inputting program includes a NC program defining a relative feed speed and a relative rotational number between a tool and a work, and also includes addition... | 04/29/2003 |
| 6469467 | Servo control apparatus and method of stabilizing same In a servo control apparatus including a speed controller (35) for controlling a servo motor so a difference between a speed command value and a speed feedback value becomes a zero, a filter (41) having characteristics that are reverses of, or approximate... | 10/22/2002 |
| 6301511 | Numerical control unit for turning mechanism A numeric control device of a turning mechanism which turns a turning body from a driving source which circularly moves through a non-linear transmitting mechanism has a coordinate transformation device outputting a signal which converts an inputted turni... | 10/09/2001 |
| 6034498 | Servo adjustment method and apparatus therefor Response delay error is calculated from an instructed position based on a position of a moving body and a position instruction to detect reversal of a servo motor and to compare response delay error produced in reversal of the servo motor and threshold va... | 03/07/2000 |
| 6029098 | Numerical controller for automatic axial feed A numerical controller controls a machine tool to achieve a tapping operation with high accuracy and satisfactory quality without being constrained by a set axial feed distance and a specified axial feed speed. An analyzing unit (4B) calculates a minimum ... | 02/22/2000 |
| 6018685 | Position control system A position control system, capable of correcting the positional deviation between mechanically related control axes. The position control system comprises a structural body having a Y-shaft supported by a fixed member so that two end portions can move in ... | 01/25/2000 |
| 5994863 | Numerical control unit An object of the present invention is to provide a numerical control unit which commands definition data of free curved line to directly interpolate a free curved line and also holds down various errors which occurs during the aforesaid process within eac... | 11/30/1999 |
| 5936366 | Servo adjustment method and apparatus thereof The variation of deviations of actual positions of a moving body from corresponding command positions is quantitatively evaluated as a servo control error, whether a feedback control system is oscillating is decided on the basis of the servo control error... | 08/10/1999 |
| 5920169 | Servomotor control method The position of a movable body driven for circular interpolation movement by servomotors is measured directly or indirectly, and the servomotors are controlled in a feedback control mode to drive the movable body for movement according to a position comma... | 07/06/1999 |
| 5827020 | Numerical control apparatus A numerical control apparatus can process a workpiece at high speed and high precision while suppressing tool abrasion by maintaining optimum cutting conditions determined by a combination of spindle rotational speed and tool feed speed. A spindle rotatio... | 10/27/1998 |
