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Patent No. 6293874

User-operated amusement apparatus for kicking the user's buttocks

An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.

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Class 359/251 - With particular direction of the field in relation to the medium, beam direction or polarization


Subclass of Class 359 - Optical: systems and elements
Definition: Subject matter wherein details of the medium are given,
No. of patents: 140
Last issue date: 10/28/2008


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NumberTitleIssue Date
7443440Color separator and imager
A color separator includes a polarization converting section for converting an incoming light ray into a linearly polarized light ray such that the polarization direction of the linearly polarized light ray is selectable from a number of predetermined directions, an...
10/28/2008
7426069Optical apparatus and imaging apparatus
An optical apparatus is disclosed. The optical apparatus includes: a first optical element having a first polarizing layer containing a material having a refractive index that changes in accordance with the magnitude of applied voltage and first and second transpare...
09/16/2008
7403677Fiberoptic reconfigurable devices with beam shaping for low-voltage operation
An apparatus and method to operate on a light beam by using a lens that collimates the light beam to a collimated beam with at least one cross-sectional dimension less than a critical dimension of 400 μm or less over a working range WR. The apparatus has a bulk ele...
07/22/2008
7357511Stress birefringence compensation in polarizing beamsplitters and systems using same
Some projection systems use a polarization beamsplitter (PBS) for coupling light to and from an image-forming device. The PBS is typically formed with a reflective polarizing layer disposed between glass covers. Stress birefringence in the glass cover lying between ...
04/15/2008
7355777Energy storage structures using electromechanically active materials for micro electromechanical systems
System and method for storing energy using electromechanically active materials in micro electromechanical systems. A preferred embodiment comprises a movable element, an intermediate layer formed under the movable element, and electrical addressing circuitry formed...
04/08/2008
7339714Variable blazed grating based signal processing
A light processing system includes an array of optical signal processing devices. The array of processing devices are operable to receive at least some of a first signal part and to modulate the first signal part based at least in part on a control signal received f...
03/04/2008
7324257Low bias drift modulator with buffer layer
The invention relates to an electro-optic modulator structure containing an additional set of bias electrodes buried within the device for applying bias to set the operating point. Thus the RF electrodes used to modulate incoming optical signals can be operated with...
01/29/2008
7305743Method of producing piezoelectric ceramic device
A piezoelectric ceramic compound expressed by a basic formula of Pb(Zn1/3Nb2/3)aZrxTiyO3 (where 0.90
12/11/2007
7301974Wavelength monitoring apparatus
An optical signal emitted from a semiconductor laser is converged by a lens and then received by a single uniaxial birefringent crystal having a C axis that is inclined at an angle other than 90 degrees against a laser optical axis to output an optical signal having...
11/27/2007
7295360Structure having light modulating film and light control device using the same
A structure includes a substrate and a light modulating film formed on top of the substrate. The light modulating film is made of polycrystalline PLZT containing Pb, Zr, Ti, and La as constituent elements. The film has a La concentration in the range of 5 at % to 30...
11/13/2007
7291829Light intensity detector
A polarization separating element such as a beam splitter receives a first light of a first polarization plane. The polarization separating element derives out of the first light a second light of a second polarization plane set perpendicular to the first polarizati...
11/06/2007
7275877Optical module having individual housing for an optical processing unit and an optical sub-assembly
The present invention provides an optical module in which an optical alignment between the light-emitting device and the waveguide device may be simplified. The optical module of the present invention has a waveguide device, first and second lenses, a housing and an...
10/02/2007
7274347Prevention of charge accumulation in micromirror devices through bias inversion
Methods and apparatus are provided for preventing charge accumulation in microelectromechanical systems, especially in micromirror array devices having a plurality of micromirrors. Voltages are applied to the micromirrors for actuating the micromirrors. Polarities o...
09/25/2007
7263250Optical switch using polarization beam splitters
A polarization based optical switch capable of redirecting light signals to a plurality of different output locations. The optical switch utilizes polarization beam splitters to separate each optical channel into multiple polarization portions. Reflection members ar...
08/28/2007
7206116Faraday rotator
A Faraday rotator for a Faraday isolator with an input polarizer, with an output polarizer, with a roller-shaped optical crystal that is arranged therebetween and that is arranged symmetrical to its axis of symmetry, with a right hollow cylinder that surrounds this ...
04/17/2007
7193766Differential interferometric light modulator and image display device
A light modulator incorporates a polarization sensitive prism and a novel MEMS ribbon device to impart a relative phase shift to polarization components of an incident light beam. A linear array of phase shifting elements in the MEMS device creates a linear image wh...
03/20/2007
7192147Lighting system and projector
The invention provides a compact, thin, and lightweight lighting system and projector. A lighting system included in a projector according to the present invention is provided with an LED array having LEDs and a reflective plate at the rear side of the LEDs in the l...
03/20/2007
7173956Electrically controlled uniform or graded reflectivity electro-optic mirror
An electrically controlled variable reflectance mirror that includes a Pockels cell which enables its retardation or birefringence to be controlled in order to vary the light outcoupled from a laser cavity. Since the retardation is a function of the voltage applied ...
02/06/2007
7162136Non-circular, mechanically variable optical attenuator
A non-circular, mechanically variable optical attenuator using a pair of specially constructed polarizing elements with means enabling a gradual transition from un-crossed polarization vector fields to crossed polarization vector fields using a linear motion with re...
01/09/2007
7142353System and method utilizing an electrooptic modulator
A system and method utilize an optical element that receives an electrical field, which changes an index of refraction in at least one direction within the optical element. The change in index of refraction imparts a change to a beam of radiation passing through the...
11/28/2006
7133134Method of measuring a physical function using a symmetric composite function
A method measures a physical function, such as a second-order optical nonlinearity profile, or a temporal waveform of a laser pulse. The method includes forming a symmetric composite function by superimposing the physical function with a substantially identical phys...
11/07/2006
7130500Reconfigurable optical add-drop multiplexer
An optical multiplexer is provided that includes a reconfigurable switching fabric with a number of inputs and outputs. In addition, the reconfigurable switching fabric employs VLSOAs that facilitate at least partial reconfiguration of the switching fabric by servin...
10/31/2006
7119474Systems and methods for overcoming stiction
An electromechanical system includes a structural plate in contact with a stop and an actuator activated by a force for creating a movement of the stop relative to the structural plate, wherein the movement is sufficient to overcome stiction forces between the struc...
10/10/2006
7116862Apparatus and method for providing gain equalization
In one aspect of the invention, a gain equalizer comprises a wavelength division demultiplexer operable to separate one or more communication bands into a plurality of wavelengths and an array of phase shifter stages. Each phase shifter stage comprises a micro-elect...
10/03/2006
7110623Temporally coherent depolarizer and a polarization transformer
A corner cube utilized for both a polarization transformer and a depolarizer requires a special glass for the corner cube. For the transformer a polarized probe beam irradiates only one facet of the corner cube off-axis to vertex, whereas for the depolarizer a circu...
09/19/2006
7095559Variable optical delay circuit
In a variable optical delay circuit to be used for compensation for polarization mode dispersion of an optical signal and for other purposes, there are provided a first birefringent member, a second birefringent member and a variable optical rotator interposed betwe...
08/22/2006
7077519System, apparatus, and method for correcting vision using an electro-active lens
An electro-active spectacle lens is disclosed. The disclosed lens includes a first lens optic. The disclosed lens also includes a first electro-active zone positioned in a cooperative relationship with the first lens optic. In certain embodiments, the electro-active...
07/18/2006
7068866Slow wave optical waveguide for velocity matched semiconductor modulators
A PIN electro-optical traveling wave modulator (10) including diffraction gratings (34, 36) positioned at opposing sides of an optical waveguide (20) that act to change the propagation pattern of the waveguide (20). The modulator (10
06/27/2006
7068878Optical beam scanning system for compact image display or image acquisition
An optical fiber having a reduced cross-sectional region adjacent to its distal end, which is fused to an optical component, is vibrated, rotating the optical component to scan a region. The optical component has a back focal point that is substantially coincident w...
06/27/2006
7057787Architecture for large-FOR EO-crystal-based agile beam steering
An electro-optic crystal based beam-steering device preferably based on KTN, having a first deflector and a second deflector. The first deflector has a pair of substrates each having a plurality of first electrode lines extending along a first direction and a plural...
06/06/2006
7046434Optical crossbar using lasing semiconductor optical amplifiers
An optical crossbar switch is described that minimizes the number of electrical components and optimizes the conversion between optical and electrical signals. Utilizing various characteristics of lasing semiconductor optical amplifiers, the optical crossbar switch ...
05/16/2006
7042610Method and apparatus for improved waveplates and suppression of stray light in LCoS kernel applications
Optical components are louvered with a light absorptive material that absorbs stray light rays. The louvers are constructed, for example, using a “black” thin film coating between sheets of glass. The louvered components are placed in an optical path at one or m...
05/09/2006
7035484Tunable optical filter
A tunable optical filter is provided that includes an array of independently tunable filter elements. Each of the elements is located along a different optical path that extends between an input and an output port. Optical assemblies for receiving an incident optica...
04/25/2006
7035485Optical waveguide device, and a travelling wave form optical modulator
An optical waveguide device 1 has an optical waveguide substrate 19, a supporting body 2 for supporting the substrate 19 and a joining layer 3 for joining the substrate 19 and the supporting body 2. The substrate 1...
04/25/2006
7031066Integrator of optical device
An integrator of an optical device using a color drum is disclosed. The integrator includes an opening receiving a light generated from a lamp, an optical path part reflecting and passing forward the light received at the opening, a mirror part refracting and totall...
04/18/2006
7023603Micro-mirror device including dielectrophoretic microemulsion
A micro-mirror device includes a substrate having a surface, and a plate spaced from and oriented substantially parallel to the surface of the substrate such that the plate and the surface of the substrate define a cavity therebetween. A dielectrophoretic microemuls...
04/04/2006
7019724Liquid crystal optical switch
The present invention, which relates to a polarization control liquid crystal optical switch for optical communication and its drive method, may be applied to the wavelength division multiplexing (WDM) communication method and an optical network using optical fibers...
03/28/2006
7016096Transmission wavelength characteristics variable optical element, and wavelength characteristics variable apparatus, optical amplifier, and optical transmission system, using same
An object of the invention is to easily realize an optical element using an etalon type structure, capable of changing a periodic transmission wavelength characteristic in an axial direction of transmissivity, and also capable of changing a periodic characteristic w...
03/21/2006
7009760Optical 2R/3R regeneration
Optical regenerators are disclosed, one of which includes a splitter having an input signal input, and first and second outputs, where the first output is connected to a first input of an optical flip-flop that also includes an output. A first OAND gate includes a f...
03/07/2006
6972886Variable blazed grating
In one aspect of the invention, an apparatus operable to provide optical signal processing includes an inner conductive layer including an at least substantially conductive material and a plurality of at least partially reflective mirror strips disposed outwardly fr...
12/06/2005
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