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7575214 |
Omnipositional cable-suspension system
An omnipositional cable-suspension system suspends an inanimate object. A pair of spaced apart holes pass through the object. A first closed cable loop passes through both of the holes and a first...
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7561784 |
Gimbal system
A gimbal system. The gimbal system may include space-saving features configured to accommodate one or more payload components, thus increasing the payload capacity of the gimbal ball without...
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7543792 |
Device and method for adjusting seats in vehicles
The invention relates to a device for adjusting a vehicle seat, the frame structure ( 4, 5, 6 ) of which can be adjusted using drive motors ( 40 ) having presupported gear units ( 39 ), and the...
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7543791 |
Tunable inverse pendulum vibration isolation system
A vibration isolation system couples two resonant systems to provide isolation of transverse vibrational motions. The first system incorporates a plurality of tunable inverse pendulum assemblies....
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7516934 |
Sample plate support of adjustable angular orientation
A platform that supports a sample plate such as a microtiter plate, a multi-well plate of any size, or a glass slide with sample spots distributed over its surface, and presents the plate for assay...
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7418324 |
Active suspension for a marine platform
A look-ahead detection system (LADS) that actively controls the suspension of at least some of the seats in a watercraft to drastically reduce the shock and/or vibrations experienced by passengers...
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7403376 |
Automatic stabilizing device for a display
An automatic stabilizing device. A base plate includes a through hole. An imbalance detecting mechanism is disposed on the base plate and includes a detecting member and an engaging member...
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7296777 |
Acceleration clamp assist
Forces are minimized in an object supported relative to a surface by providing a first, preferably static force sufficient to retain the object is position when at rest, preferably through a...
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7275627 |
Active vibration suppression apparatus, control method therefor, and exposure apparatus having active vibration suppression apparatus
An active vibration suppression apparatus includes a rotating actuator which is fixed to a vibration suppression target and generates a torque in a rotational direction, an inertial load which is...
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7264220 |
Gimbal system
A gimbal system. The gimbal system may include space-saving features configured to accommodate one or more payload components, thus increasing the payload capacity of the gimbal ball without...
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7232104 |
Setting foot comprising a base and a carrier of which the level can be set by a lift mechanism with at least one screw thread
Setting foot provided with a base and a carrier of which the level can be set with respect to the base by means of a lifting mechanism, in which the base is provided with an axial cylindrical...
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7174244 |
Suspension of a vehicle and method for controlling the same
A vehicle suspension system is designed such that its equation of motion can be decoupled. Such a suspension system is provided with actuators, and the actuators are optimally controlled to reduce...
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7137634 |
Active control type mounting bushing device for vehicle
An active control type mounting bushing device adapted to properly change the hardness of the mounting bushing according to a driving state, thereby obtaining a proper hardness of the mounting...
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7114692 |
Vibration isolation device
A vibration isolation device for isolating a vibration source from a carried member, includes: a carrier for carrying the carried member; a housing positioned on the vibration source, and formed...
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7093806 |
Method and system for decoupling structural modes to provide consistent control system performance
A method and system for calculating a control function for a structural system ( 10 ) that can be used to determine an appropriate control force to apply to an active member ( 18 ) within a...
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7073644 |
Anti-vibration system for use in exposure apparatus
In order to control an internal pressure of an air spring appropriately without being influenced by a change in supply pressure, an anti-vibration system includes an air spring as an actuator for...
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7051985 |
Drawer device
A drawer device or container holder includes a member disposed in a closed position to be able to draw into an open position, a driving device attached to the member to move the member between the...
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7049592 |
Lithographic apparatus and device manufacturing method
A lithographic apparatus includes a projection system mounted on a reference frame, which in turn is mounted on a base which supports the apparatus. Vibrations and displacement errors in the base...
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7032453 |
Method and apparatus for the diagnosis of natural vibrations in a mechatronic system
A method for the diagnosis of natural vibrations in a mechatronic system, includes at least one rigid body (WT 1 , WT 2 ), which is moved relative to another rigid body (S) by means of at least one...
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7017858 |
Two-tone isolator assembly
The invention proposes to address the vibration transfer function transmitted by a turbo-fan engine or equivalent to the aircraft structure, with two types of isolators mounted on a unique assembly...
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6935693 |
Seat suspension
A suspension for a seat that varies the preload, spring rate and damping rate of the suspension in direct proportion to the suspended weight of an occupant of the seat to provide the same effective...
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6935471 |
Active dynamic beater
The invention provides a dynamic beater comprising a spring-mass unit, said unit having a mass M and a stiffness K actuated by a drive motor and presenting a device for coupling to a host structure...
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6886650 |
Active seat suspension control system
A suspension system supports a seat with respect to a base mounted on a frame of a vehicle. The system includes a hydraulic actuator coupled between the seat and the base. A single accelerometer is...
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6884992 |
Imaging and/or raster-mode scanning system provided with a device for compensating the image degradations resulting from environmental factors
An imaging and raster-mode scanning apparatus has a compensation device for compensating for ambient influences that may degrade the imaging, comprising an electrical filter, and at least one...
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6879375 |
Exposure apparatus and method that exposes a pattern onto a substrate
An exposure apparatus that exposes a pattern of a mask onto a substrate is provided with a projection system that projects the pattern onto a substrate, a holder that holds the projection system, a...
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6874748 |
Active floor vibration control system
An active vibration control system for controlling excessive or unwanted vibrations in floors or other structures. The system has three main components: (1) velocity sensor w/signal conditioner;...
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6872961 |
Vibration control utilizing signal detrending
A motion control system for reducing vibration in moving components. The system includes a position control drive and a vibration control drive. At least one position sensor is used to provide...
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6774981 |
Modular exposure apparatus with removable optical device and improved isolation of the optical device
An exposure apparatus ( 10 ) that includes a support frame ( 12 ), a base frame ( 14 ), a first stage assembly ( 16 ), a second stage assembly ( 18 ), an optical frame ( 20 ), an optical device (...
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6758313 |
Method and apparatus for operating a vibration isolation system having electronic and pneumatic control systems
A method and apparatus for implementing an active vibration isolation system (AVIS) is provided. The AVIS includes a pneumatic control system and an electronic control system. The pneumatic control...
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6758312 |
Apparatus and method for vibration-isolating bearing of loads
An active system for isolating vibrations includes: at least one first vibratio-isolating device, arranged between a load and a sstanding surface, for at least partially decoupling the static and...
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6742393 |
Vibration control apparatus, vibration control method, exposure apparatus, and device manufacturing method
The object of this invention is to constitute a high-accuracy position control system even for a low-rigidity object to be controlled. To achieve this object, a vibration control apparatus includes...
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6729596 |
Structure for support and positional regulation of automated levelling systems
A structure to be coupled to a machine for treating surfaces, comprising a centre web ( 1 ) joined to a machine ( 2 ) in which are movably and tightly fined with the aid of bearings a pair of...
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6684132 |
Active anti-vibration apparatus and exposure apparatus
This invention relates to an active anti-vibration apparatus having an anti-vibration table on which a stage is mounted. This anti-vibration apparatus includes a pneumatic spring actuator for...
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6644590 |
Active system and method for vibration and noise reduction
An active mount is provided for use in a rotary wing aircraft between each of the gearbox and airframe mounting locations for mechanically suspending the airframe from the gearbox. The active mount...
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6626412 |
Mountings for optical apparatus
The disclosure relates to a mounting for an optical apparatus having an optical axis. The mounting has a base and a support for the optical apparatus which provide movement about one or more...
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6626411 |
Active isolation module
A vibration isolator for isolating a load from a floor. The vibration isolator may have an active isolator assembly that isolates the load in a first direction and a passive isolator assembly that...
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6604451 |
Fluid actuator
A fluid actuator applicable to high load with small space, comprising a core with an output shaft and two discs; and a cylinder casing which receives the core in a hollow, an upper end of the upper...
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6590639 |
Active vibration isolation system having pressure control
An active vibration isolation system includes a pneumatic control system and an electronic control system. The pneumatic control system supports a mass sensitive to vibration and isolates the mass...
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6570298 |
Vibration control device and driving method thereof
A vibration control device 1 in accordance with the present invention is provided with a liquid lever mechanism 4 which has an action member 5 , a liquid chamber 6 and a driving plate 7 ,...
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6563128 |
Base stabilization system
A system that provides a base stabilization system for controlling motion of a controlled structure. The system includes a ground structure such as the floor of a fabrication facility and the...
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6547205 |
Isolation platform assembly for supporting an instrumentation payload
An isolation platform assembly ( 10 ) for a vehicle (V) on which is mounted instruments and sensors (S). The instruments and sensors are installed on a gimbal (G). A mounting bracket ( 12 a -12 c )...
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6536735 |
Vibration isolating apparatus for table for mounting device sensitive to vibrations and method therefor
There are disclosed a vibration isolating apparatus and a vibration eliminating method imposed less restrictions on the positioning of components, such as active actuators, forming part of the...
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6533221 |
Device for supporting a payload in a launch vehicle of said payload
The invention concerns a launch vehicle comprising a shroud ( 1 a, 5 a ) supporting auxiliary propellers ( 2, 3 ) applying in operation excess flow of stresses to the shroud ( 1 a, 5 a ), said...
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6522388 |
Vibration eliminator, exposure apparatus and projection exposure method
The columns of an aligner are placed on a surface plate. Actuators are provided between the surface plate and leg parts of the column. Acceleration sensors are attached to the surface plate and the...
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6518721 |
Oscillation isolator
An oscillation isolator for supporting an oscillation isolation platform on a pedestal includes an active oscillation isolator having a displacement generating type actuator to reduce oscillation...
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6511035 |
Active vibration isolation systems with nonlinear compensation to account for actuator saturation
A vibration control module that compensates for actuator saturation. The control module includes a sensor that provides an output signal which corresponds to a movement of an element. The module...
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6505804 |
Ergonomic base and chair providing constrained lateral movement there between
A base for a chair, the base comprising a chassis ( 11 ), at least one landing ( 20 ) operatively connected to the chassis; a carrier ( 32 ) for reduced friction sliding along the landing...
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6501203 |
Vibration control apparatus
A vibration control apparatus designed specifically for use on space vehicles includes a stator for mounting in the vehicle, a lower flotor, magnetically levitated on the stator, an upper flotor...
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6478269 |
Longitudinally adjustable leg assembly
A longitudinally adjustable leg assembly, comprising a holder ( 9, 12 ) which is adapted to be fixed to the underside of a table top ( 1 ); first and second elongate carrier elements ( 2, 3 ) which...
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6473159 |
Anti-vibration system in exposure apparatus
A vibration suppressing system includes a structural member with respect to which vibration suppression is to be executed, an actuator, having a pair of a fixed member and a movable member, for...
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