Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 7424858 | Rudder angle sensor There is provided a rudder angle sensor that is attached to a steering shaft for measuring an absolute angle of the steering shaft and includes: a coarse signal measuring mechanism and a fine signal measuring mechanism which measure a rotation angle of the steering ... | 09/16/2008 |
| 7364480 | Engine output control system for water jet propulsion boat A jet-propelled watercraft can include an engine output control system that adjusts the output of the engine based on a steering force and the engine speed. The control system can also be configured to detect abnormalities in the steering force sensor and to prohibi... | 04/29/2008 |
| 7366593 | Method and system for maneuvering movable object A movable object maneuver method wherein a destination point is set; wherein a thrust value is calculated in real time which minimizes or maximizes a performance index associated with one or more state variables and thrust required for a movable object to reach the ... | 04/29/2008 |
| 7263943 | Outboard motor steering system In a boat having a seat, a steering wheel, and an outboard motor, an outboard motor steering system is provided, where the steering wheel is installed near the seat a steering angle sensor installed near the steering wheel for outputting a signal indicative of a ste... | 09/04/2007 |
| 7258072 | Multiple steer by wire helm system A steering apparatus for a marine craft or other vehicle having a communication bus and a plurality of helm apparatuses. Each of the helm apparatuses includes a steering device. Additionally, each of the helm apparatuses is connected to the communication bus. Each o... | 08/21/2007 |
| 7220156 | Outboard motor steering control system In an outboard motor steering control system having an actuator steering the outboard motor, three rotation angle sensors each detecting a rotation angle of a steering wheel, three steering angle sensors each detecting a steering angle of the outboard motor, and a c... | 05/22/2007 |
| 7186155 | Power steering rate controller for a boat and method The invention provides a device and method for producing substantially kinematic steering of a boat whose yaw rate and direction is approximately proportional to the rate and direction that a steering device such as a steering wheel is being operated. The invention ... | 03/06/2007 |
| 7168383 | Steering apparatus for ship propeller In a steering apparatus for a ship propeller in which a steering handle is provided within a ship body, a propelling unit is fixed to a steering shaft rotatably supported to an attaching bracket fixed to the ship body. A steering cable connected to the steering hand... | 01/30/2007 |
| 7156034 | Steering system for boat A steering system for a boat can include a main switch for turning power on and off, an emergency stop switch for stopping an engine, a steering wheel for operation by an operator, a steering wheel displacement sensor for detecting the operator's displacement of the... | 01/02/2007 |
| 7142931 | Control system with controlled dead zone A method of operating a control device having a setpoint value, an error signal, and a control output is disclosed. The error signal is representative of a difference between a controlled variable and the setpoint value, the control output operable to affect the con... | 11/28/2006 |
| 7140315 | Method and system for steering watercraft A method of steering a watercraft propulsion device mounted to a transom plate and having a steering drive unit which allows the watercraft propulsion device to rotationally move about a swivel shaft. The method can include calculating a steering parameter for the s... | 11/28/2006 |
| 7137347 | Steer by wire helm A helm apparatus for a marine craft or other vehicle having a steered member such as a rudder includes a mechanically rotatable steering device and a sensor which senses angular movement of the steering device when the craft is steered. A communication link to the r... | 11/21/2006 |
| 7103518 | Embedded sensor steering shaft A steer-by-wire assembly 10 is provided, including a flexible polymer steering column shaft 12 having a fixed end 14 and a free rotational end 16, and a control feature 22 in communication with said free rotational end 16. T... | 09/05/2006 |
| 7097520 | Steering system for small boat A cylinder unit is provided in a rear side of a boat body to rotate an outboard motor main body as a steering apparatus, and a pump unit is provided to drive the pump unit via a hydraulic pipe by a steering wheel in a driver's seat. A steering torque inputted to the... | 08/29/2006 |
| 7061202 | Automobile servomotor controller An automobile servomotor controller includes a master control unit having a master control circuit for transmitting a designation signal and a slave unit having a motor and a control circuit which controls driving of a motor by outputting an operation signal to a dr... | 06/13/2006 |
| 7036446 | Marine steering assembly Disclosed is a marine steering assembly having a steering wheel pedestal, a steering output member, a manual steering mechanism and an auto-pilot drive. The manual steering mechanism is connected to a steering wheel. The manual steering mechanism is retained by the ... | 05/02/2006 |
| 7036445 | Watercraft steer-by-wire system A watercraft steer-by-wire control system for watercraft comprising: a direction control system including a rudder position sensor; a helm control system including at least one of; a helm position sensor to produce and transmit a helm position signal and an optional... | 05/02/2006 |
| 7005821 | Servomotor controller In a servomotor controller, when a comparing circuit (70) detects that a position of an object to be controlled has been achieved to a target position, an operation inhibiting signal generating section (71) supplies an operation inhibiting signal (7... | 02/28/2006 |
| 7006905 | Method and device for allocating thrust Force balance and moment balance associated with thrust of air and water craft equipped with thrust generators are preset in view of non-linear characteristics and dynamic characteristics of thrust generators. A performance index for minimizing thrusts generated by ... | 02/28/2006 |
| 6941195 | Method and device for allocating thrust Force balance and moment balance associated with thrust of air and water craft equipped with thrust generators are preset in view of non-linear characteristics and dynamic characteristics of thrust generators. A performance index for minimizing thrusts generated by ... | 09/06/2005 |
| 6902446 | DC motor with integral controller A DC motor having a motor housing and a motor controller housed within the motor housing. In a preferred embodiment the heat producing components of the motor controller are in thermal communication with the housing such that the majority of the heat produced by suc... | 06/07/2005 |
| 6843195 | Outboard motor steering system In an outboard motor steering system for an outboard motor mounted on a stern of a boat and having an internal combustion engine at its upper portion and a propeller with a rudder at its lower portion powered by the engine to propel and steer the boat, a controller ... | 01/18/2005 |
| 6790110 | Marine power steering system An improved and simplified marine power steering device that provides assist by selectively operating an electric motor driven hydraulic motor to provide the assist. This eliminates pumps that are constantly driven by the watercraft engine. Also the entire assist un... | 09/14/2004 |
| 6655309 | Apparatus for maneuvering boats An apparatus for aiding in steering and maneuvering a boat that includes a thruster that applies a force transverse to the longitudinal axis of the boat. The operation of the thruster is under control of a remote radio frequency transmitter which permits ... | 12/02/2003 |
| 6652331 | Trolling motor with integral sonar transducer A trolling motor having an integral sonar transducer including: a submerged motor housing; an electric motor housed in the housing; a sonar transducer housed in the housing; a motor controller having a pulse width modulated output and a shielded electrica... | 11/25/2003 |
| 6592412 | Propelling and driving system for boats A propelling and driving system for boats having an outboard rudder propeller. The system provides the boat with reliable and comparatively good maneuverability. The system comprises at least two rudder propellers, each having driving motors configured in... | 07/15/2003 |
| 6468117 | Trolling motor foot control with detent A foot control unit for controlling the directional orientation of a trolling motor. The foot control unit includes an upper pivotal foot pedal and a lower flat base member to which the foot pedal is pivotally attached. The foot control unit further inclu... | 10/22/2002 |
| 6386930 | Differential bucket control system for waterjet boats A waterjet-driven boat has a reversing bucket for controlling forward/reverse thrust and a rotatable nozzle for controlling sideward forces. A bucket position sensor is connected to the reversing bucket, and the bucket is controlled using the output of th... | 05/14/2002 |
| 6299493 | Steering control method and apparatus for dual electric motor marine propulsion system A technique for steering a watercraft includes applying drive signals to first and second electric propulsion systems disposed at locations on either side of a longitudinal centerline of the craft. The drive signals power motors of the systems to drive pr... | 10/09/2001 |
| 6026759 | Adjustable leveling fin rudder method and apparatus for powerboats Method and apparatus for leveling or adjusting a power-boat's average angle of bank or list about its roll axis RA regardless of side wind or off-center loading to improve passenger comfort, increase fuel efficiency, and smooth hull passage through waves ... | 02/22/2000 |
| 5931110 | Vessel direction control system for small-scale vessel A fishing boat has a direction sensor disposed at a midship of the boat for detecting as a vessel direction a direction of a bow of the boat, an outboard motor attached to the bow for controlling the vessel direction, and a control unit responsive to a de... | 08/03/1999 |
| 5860842 | Self-steering system for watercraft An automatic controller for the helm of a watercraft uses sensors responsive to starboard and port contacts, with the predominating of the starboard and port contacts signalling the heeling of the watercraft. A transmitter attached to the person of the op... | 01/19/1999 |
| 5725402 | Wireless marine propulsion trim/tilt control system A wireless remote control for the trim/tilt of a boat propulsion system including a plurality of transmitters, each capable of generating a signal on two channels and a receiver control responsive to each of the two signals and capable of synthesizing a t... | 03/10/1998 |
| 5606930 | Hand operated trolling motor control station A hand operated remote control station for marine trolling motors. The hand operated remote control station enhances or replaces existing remote foot control stations for trolling motors. The remote control station controls the trolling motor by a transmi... | 03/04/1997 |
| 5555837 | Boat stabilizing rudder system A boat stabilizing rudder system is disclosed. A rudder is formed of planar sheet material positionable in a vertical orientation. A vertically positioned support rod has a lower end, an upper end and an elongated central extent therebetween. The lower en... | 09/17/1996 |
| 5525081 | Transducer system for trolling motor A trolling motor system and method for controlling the trolling motor, including a microcontroller, a plurality of transducers, a steering motor, and an outboard motor. The user is allowed to input commands via a keypad and the selected mode of operation ... | 06/11/1996 |
| 5481261 | Warning for remote control system A warning system embodied in a remote control system which includes a warning circuit and which alerts the individual operating the system if the position of a controlled member of the system does not correspond with the position of the remote operator of... | 01/02/1996 |
| 5413461 | Method and apparatus for controlling a propulsion engine output based on the net axial force on a propeller shaft A method and apparatus for controlling a propulsion engine output in a vessel, based on the net axial force on a propeller shaft in the vessel. The apparatus includes a regulating loop with a computer which continuously controls the delivery of fuel to th... | 05/09/1995 |
| 5362263 | Trolling autopilot An autopilot for a vessel for use in combination with a depth finder having a transducer, including a means for setting and storing a desired characteristic to be followed by the vessel, means for measuring the characteristic to be followed by the vessel,... | 11/08/1994 |
| 5357889 | Watercraft autopilot actuator An actuator housing securely attached to a back wall of a rotary helm unit mounted below the dashboard of a watercraft provides a mechanism for automatic control of the watercraft's rudder. The actuator housing encloses a wheel shaft extension passing thr... | 10/25/1994 |
