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 |
| 7321811 | Methods and systems of adjustable bed position control Aspects of this invention relate to an adjustable bed that may include providing a plurality of values that may define a range of available positions for an adjustable bed; receiving a request to save a position of the adjustable bed as a user selected position; det... | 01/22/2008 |
| 7317291 | Frequency control circuit, motor drive apparatus, frequency control method, control method of motor drive apparatus, and program allowing computer to execute control method A frequency control circuit including a control circuit for setting a set value, an adding circuit for adding the set value per unit time and effecting counting based on the adding result, and a signal output circuit for outputting an alternating signal of a cycle c... | 01/08/2008 |
| 7107639 | Infant support apparatus An infant support apparatus for supporting an infant lying prone on its torso, configured to aid in soothing the infant and to aid in relieving and reducing the infant's gas pains. The infant support apparatus supports the head of the infant, the torso of the infant... | 09/19/2006 |
| 5939851 | Position control device A position control device for driving a movable member by a motor to a target position prevents a re-start of the motor by the vibration after stopping of the movable member. A re-start operation is forcedly inhibited during a predetermined period after a... | 08/17/1999 |
| 5764018 | Hysteresis removal for positioning systems with variable backlash and stiction A system and method for reducing non-repeatable positioning errors. Non-repeatable positioning errors caused by the effects stiction and backlash in the mechanical system are reduced by "shaking" or vibrating the positioning system in a controlled manner.... | 06/09/1998 |
| 5600214 | User-controllable adjustable massage bed In an articulated bed having a motor for raising and lowering the bed, a control circuit operated by the user has first user memory for storing a first user variable indicating a user-selected first preferred bed position and a recall button by which the ... | 02/04/1997 |
| 4535760 | Vibratory massage apparatus A vibratory massage apparatus comprises a treatment portion elastically carried on a support, a vibration generator including an electric motor for providing vibrations to the treatment portion, and a control circuit connected to the motor for causing vib... | 08/20/1985 |
| 4259653 | Electromagnetic reciprocating linear actuator with permanent magnet armature A spring-less linear actuator, especially useful as a print wire drive. A permanent magnet armature is driven from a rest position on a pole piece by magnetic repulsion upon energization of a solenoid by a D.C. pulse. The armature is fixed to a print wire... | 03/31/1981 |
| 4117381 | Vibrator A base yieldably supporting a frame, on which an electromagnetic assembly is mounted, is fixedly secured to a more massive body to which an armature is elastically connected by coupling springs. Limit switches control initiation and termination of a timer... | 09/26/1978 |
