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 |
| 7362347 | Image recording apparatus having a recording drum rotatable with a recording medium mounted peripherally thereof An image recording apparatus includes a recording drum rotatable with a printing plate mounted peripherally thereof, a recording head for recording an image on the printing plate mounted on the recording drum, a rotary encoder for detecting a rotation angle of the r... | 04/22/2008 |
| 7353614 | Vehicle compass system with continuous automatic calibration The compass system of the present invention utilizes an improved calibration routine in which a processing circuit of the compass recalibrates the compass each time three data points are obtained from a magnetic field sensor that meet predetermined criteria. One suc... | 04/08/2008 |
| 7337035 | Method for carrying out a printing correction and apparatus for doing this A method for carrying out a printing correction and a device for this. A method for carrying out a printing correction is provided, a product being printed on during a processing procedure by a plurality of processing devices, positions of two printing marks A,B,C,D... | 02/26/2008 |
| 7283886 | Practical measurement system for a manufacturing process A complete Direct Digital Numerical Control (DDNC) automation system for a practical measurement system for a manufacturing process where a given slide or ram is moved under power by input of GO-TO location commands to cause a cascade of motion events to an approxim... | 10/16/2007 |
| 7227809 | Clock generator having a delay locked loop and duty cycle correction circuit in a parallel configuration A clock generator having a delay locked loop and a duty cycle correction circuit. The delay locked loop adjusts a first adjustable delay circuit to generate a first output clock signal that is synchronized with a first input clock signal and adjusts a second adjusta... | 06/05/2007 |
| 7178412 | Encoder failure detection An encoder failure detector system and method for detecting failure of an encoder at near-zero rotational speeds. For example, in one embodiment a failure is indicated if a torque command exceeds a selected threshold for a selected period of time and no movement of ... | 02/20/2007 |
| 7093540 | Method and device for initial adjustment of the register of the engraved cylinders of a rotary multicolor press To adjust peripheral register of engraved cylinders, the positions of a respective angular register mark arranged on each cylinder is measured with respect to a zero reference, and an angular printing mark characteristic of the position of the engraving is associate... | 08/22/2006 |
| 7047270 | Reporting a saturated counter value A saturating count counts received event signals up to a first predetermined number. An overflow counter counts overflows up to a second predetermined number. The counter indicates overflow when the overflow count is non-zero and saturates and stops counting at a ma... | 05/16/2006 |
| 7026734 | Timing disc fixing The invention relates to a timing disc fitting for an encoder system. It consists of a timing disc hub (1) which can be plugged to a motor shaft (2) and to which there is fixed a timing disc (3). In accordance with the invention, the timing disc... | 04/11/2006 |
| 7014289 | Image forming device A head (101) prints a predetermined test pattern under the control of a head control unit (204) in order to precisely detect a head deviation when a head has been changed, the printed test pattern is read by a sensor 110 and detected by a pattern detec... | 03/21/2006 |
| 6912444 | Device for reliable position monitoring A position transducer is connected to merely one input circuit. The outputs of the input circuit are connected, transmitted or routed, in part, to a first and to a second counter circuit. For the counting process, the first counter circuit uses the digital signals o... | 06/28/2005 |
| 6854455 | Rotation angle detector, injection system and corresponding operating method A rotation angle detector for detecting the angular position of a shaft, i.e. a camshaft or a camshaft of an internal combustion engine, includes a rotatable detector wheel coupled to the shaft. Markings of a first type are distributed along a periphery of the detec... | 02/15/2005 |
| 6695460 | LED Christmas tree for drag racing starting and timing LED Christmas tree for drag racing starting and timing having light emitting diode signal lights arranged on an upper display tier and on a lower display tier.... | 02/24/2004 |
| 6246343 | Increment encoder failure detection An error detection method for use with a two channel increment encoder. The error detection method operates to detect errors over a wide range of rotational velocity of a rotating member. The error detection method employs the signal from one or two of th... | 06/12/2001 |
| 6198788 | Encoder test apparatus and method Apparatus and method for testing an optical encoder used to determine position of a moveable member. The optical encoder supplies a first binary signal indicative of a position of the moveable member and a second binary signal indicative of the position. ... | 03/06/2001 |
| 6119666 | Device for controlling a multi-cylinder internal combustion engine A device for controlling a multi-cylinder internal combustion engine with a rotatable shaft has a transmitter wheel mountable on the rotatable shaft and having a number of uniform spaced angular marks spaced and at least one reference mark which as a sync... | 09/19/2000 |
| 6043483 | Apparatus and method using an indexed-encoder to sense the absolute position of an object with a single set of optics An apparatus and method for detecting the absolute position of a movable member, by monitoring the incremental and directional of movement of an indexed-encoder, coupled to the movable member, and comprising a single index space and a plurality of non-ind... | 03/28/2000 |
| 5978436 | Device for electronically simulating the position of a component The device for electronically simulating a component position includes a first counter (40,42) which counts counter pulses (Zt) determined by respective occurrences of a periodic event marking respective component positions; a second counter (30) which, i... | 11/02/1999 |
| 5946368 | Pedestrian traffic counting system A counting apparatus including a sensor surface having a plurality of zone locations with pressure actuated switches which produce a contact event signal corresponding to the zone location when an object traveling across the sensor surface contacts the zo... | 08/31/1999 |
| 5880954 | Continous real time safety-related control system A safety-related control system (SRCS) designed to safeguard personnel operating hazardous production equipment. The SRCS integrates the safety-related part of a machine into one homogenous system for the purpose of increasing safety. In so doing, the SRC... | 03/09/1999 |
| 5873307 | Control system for a printing machine The present invention relates to a control means for a printing machine, in particular a sheet-fed offset printing machine, having a plurality of units, such as feeders, printing units, varnishing and coating devices, deliverers, folding apparatus and the... | 02/23/1999 |
| 5844960 | Synchronized voltage controlled oscillator lap counting circuit A synchronized voltage controlled oscillator lap counting circuit includes a bearing resolver circuit having a single Hall-effect sensor element which provides differential voltage output signals in response to an external magnetic field. The differential... | 12/01/1998 |
| 5793834 | Method for detecting position of linear stepping motor and apparatus therefor A method for detecting the position of a linear stepping motor which includes the steps of generating a reference clock signal for detecting the position of the linear stepping motor using an oscillator and counting the reference clock signal with a count... | 08/11/1998 |
| 5606257 | Device for forming a square-wave signal and detecting a reference mark from a sinusoidal signal with a singularity A device which reshapes sinusoidal signals with a singularity to generate square-wave signals and detects the singularity in an unambiguous and reliable manner. The sinusoidal pulses are reshaped into square-wave pulses in such a way that the edges of the... | 02/25/1997 |
| 5581463 | Pay-per-use access to multiple electronic test capabilities and tester resources A system and method for testing an electronic circuit is disclosed. The system includes a circuit board test platform having multiple electronic test capabilities and multiple hardware resources, and a pay-per-use module that is coupled to the circuit boa... | 12/03/1996 |
| 5572018 | Method and apparatus to detect absolute position using encoder having a counter clear signal Rotation of a code plate fixed to a shaft of a detecting object is detected for producing a one-rotation signal and an incremental signal corresponding to a division of one revolution into a plurality of equal sections. The incremental signal is counted b... | 11/05/1996 |
| 5469482 | Spline counting mechanism A spline counting mechanism for determining the number of splines on a shaft. The spline counting mechanism includes a plunger urged into engagement with the shaft and adapted to be rotated with respect to the shaft. The plunger is adapted to engage each ... | 11/21/1995 |
| 5455764 | Register control system, particularly for off-line web finishing A register control system, particularly one that registers marks on a printed web to a function cylinder, produces proportional and integral gains each independently variable to control the take over point of the integral gain with respect to the proporti... | 10/03/1995 |
| 5425073 | Analyzer circuit an inductive position sensor The analyzer circuit includes a first oscillator producing an output signal having a first frequency depending on an inductance of an inductive position sensor having two oscillator coils positioned near a movable part; a switching device in the first osc... | 06/13/1995 |
| 5341408 | Control system for currenty counter A currency counter for counting currency notes withdrawn from a supply and advancing the notes one by one along a path past a density detector and a magnetic material detector to a stacker at a delivery location upon energization of a common drive motor i... | 08/23/1994 |
| 5331680 | Position detecting apparatus A position detecting apparatus comprises a motion detecting section for generating a pulse when a carriage passes each of coordinate points set in a reciprocal movement span thereof at a predetermined pitch, and a counting section for storing position dat... | 07/19/1994 |
| 5323436 | Apparatus of and method for counting a number of revolutions of a servo motor A revolution counting circuit for performing such an operation includes a pulse multiplying unit for multiplying signal pulses generated by an encoder and a pulse dividing unit for dividing the multiplied signal pulses by a divided value set up by a micro... | 06/21/1994 |
| 5317614 | Programmable electronic angular position indicator based upon engineering units A programmable, electronic, angular position indicator, based upon engineering units, estimates the angular displacement of a rotating rotor. The angular position indicator is programmed with the particular arrangement of teeth (or other markings) on the ... | 05/31/1994 |
| 5276722 | Absolute multi-revolution encoder A precision, high-resolution, absolute, multi-revolution encoder which allows a multi-revolution position value of a shaft to be detected with high reliability, using only a single revolution detector, and makes multi-revolution detection indirectly relat... | 01/04/1994 |
| 5272648 | Method of detecting a position of a robot There is disclosed a position detection method of a robot which provides two incremental position transducers mounted to a robot axis in interlocked relationship with each other and rotatably to produce pulse signals having the number different from each ... | 12/21/1993 |
| 5258931 | Precision electronic absolute and relative position sensing device and method of using same A novel position sensing device and novel method for determining position use an electronic memory to retain a look up table for calibrated position indicia on a scale. The position indicia are preferably arranged along the scale so that at least two indi... | 11/02/1993 |
| 5210776 | Counter circuit for controlling an absolute position of a robot system The present invention relates to a counter circuit for counting the rotated position of the motor and controlling absolute position of the same to control an absolute position of a robot system, which comprises, a RS-422 receiver for receiving encode sign... | 05/11/1993 |
| 5202842 | Rotational position detecting device which compensates for eccentricity of rotating object A rotational position detecting apparatus detects the rotational position of a rotating object and compensates for an eccentricity of the rotating object. First and second sensors generate first and second detection signals having phases offset relative t... | 04/13/1993 |
| 5187724 | Absolute position detecting device An absolute position detecting device in which the number of revolutions of a drive shaft adapted to drive an object to be controlled is counted with a counter for detecting an absolute position of the object. When a predetermined point on the object retu... | 02/16/1993 |
| 5177770 | Linear scale measuring device A linear scale measuring device of the absolute type capable of exhibiting high resolution and accomplishing the measuring operation with high accuracy. In the device, A cycle of indented lines for increment data is set to be twice as large as that of ind... | 01/05/1993 |
