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An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.
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| Number | Title | Issue Date |
| 7149028 | Transmissive-diffractive light modulator The present invention provides a transmissive-diffractive light modulator in which a substrate having the same structure as that of a conventional diffractive light modulator has a light transmittance gate or is made of a transparent material, thus diffracting incid... | 12/12/2006 |
| 7126741 | Light modulator assembly A light modulator assembly includes a substrate, a micro-electro mechanical semiconductor device (MEMS device) formed on the substrate, and a temperature control device coupled to the substrate and configured to maintain the MEMS device at or above an elevated thres... | 10/24/2006 |
| 7102821 | Apparatus and system for a re-configurable channel dropping de-multiplexer An improved apparatus and system for a re-configurable optical channel dropping de-multiplexer is herein disclosed. A re-configurable channel dropping de-multiplexer in accordance with the present invention comprises an input, a first polarizing port optically coupl... | 09/05/2006 |
| 7099064 | Electrostatic-type variable diffractive light modulator and manufacturing method thereof Disclosed herein are an electrostatic-type variable diffractive light modulator, which includes lower micromirrors that are provided on a glass substrate to be spaced apart from each other, and actuates upper micromirrors that are spaced apart from the substrate by ... | 08/29/2006 |
| 7095559 | Variable 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 |
| 6690346 | Image display An image display capable of effectively preventing deterioration of the contrast and permitting sufficient resolution improvement to be obtained by wobbling is disclosed. A display element 1 has a display surface with a regular array of a plurality of pix... | 02/10/2004 |
| 6061103 | Image display apparatus An image display apparatus for use in head-mounted image display apparatus is disclosed. The apparatus comprises an image display element having a plurality of pixels arrayed in matrix, for displaying images by scanning these pixels with image signals; a ... | 05/09/2000 |
| 5963291 | Optical attenuator using polarization modulation and a feedback controller An optical power regulator employs a variable optical attenuator having a first birefringent element that spatially separates the input optical beam into two orthogonally-polarized beams. Both beams pass through a polarization modulator (e.g., a liquid cr... | 10/05/1999 |
| 5930028 | Split reciprocal polarization switch A split reciprocal polarization switch (SRPS) for use in constructing high performance switching devices used in fiber optics. The SRPS allows selective changes in the polarization of one or the other of two optical rays passing therethrough along first a... | 07/27/1999 |
| 5729380 | Loop phase-conjugate mirror for depolarized beams A loop four-wave mixing phase conjugator that can be used with depolarized signal beams comprises a polarization separator, a polarization mixer, an optical diode, a gain medium and relay optics that together form a unidirectional laser resonator. In oper... | 03/17/1998 |
| 5548427 | Switchable holographic apparatus A switchable holographic device which includes a first polarizer having a spatially varying direction of polarization. The device also includes a liquid crystal device arranged to act as a controllable phase plate, the liquid crystal device having a prede... | 08/20/1996 |
| 5537256 | Electronic dithering system using birefrigence for optical displays and method An electronic dithering system based on birefringence or double refraction increases the resolution of a display and includes a birefringent material, such as a calcite material, which selectively refracts or deflects light depending on an optical polariz... | 07/16/1996 |
| 5497437 | Method and apparatus for receiving light with a modulated polarization There is provided a method for modulating the polarization of light that allows detection of any modulated output regardless if the optical analyzers are rigidly held in place. According to a first aspect of the invention, a method for receiving light wit... | 03/05/1996 |
| 5477350 | Interferometric spatial switch for polarized or unpolarized light using liquid crystal An interferometric switch for spatially switching either linearly polarized or unpolarized externally derived beams of substantially coherent light includes an optical input unit for dividing an externally derived light beam into a constituent beam pair. ... | 12/19/1995 |
| 5212587 | Binary tree switching network A binary tree switching network in which the switching states are configured to switch an input signal from a selected input to an output by means of a control code set having a minimum Hamming distance (d) greater than one which eliminates cross-talk of ... | 05/18/1993 |
| 4969720 | Magneto-optic bypass switch An optical bypass switch receives arbitrarily polarized light from an input optical fiber which is divided into the P and S-polarized light beams by a polarization beamsplitter. These P and S-polarized light beams are focussed to a magneto-optic garnet wh... | 11/13/1990 |
| 4492471 | Arrangement for checking dimensional accuracy An arrangement for checking the dimensional accuracy and/or measuring the dimensions of large objects (1), such as car bodies or the like, where the object is provided with checking points such as bolt heads, suspended measuring rods (2-7). At least one m... | 01/08/1985 |
| 4145607 | System and method for shaping pulses of optical radiation A system for shaping pulses of optical radiation includes a birefringent element for receiving a polarized pulse from a source of optical radiation and projecting the pulse into two orthogonally polarized beams. The birefringent element is designed to int... | 03/20/1979 |
| 3976360 | Prism arrangement for digital electro-optical light deflection systems The invention relates to a deflection prism arrangement for the formation of a dot pattern for digital electro-optical light deflectors, e.g. laser light deflectors, in which the prism angle of each of the sequence of prisms is doubled, the prism apex ang... | 08/24/1976 |
| 3953108 | Digital beam deflector In a digital light deflector which includes electrooptical polarization switches and birefringent prisms the influence of undesirably deflected radiation can be suppressed by providing, behind the final deflection stage, a lens for spatially separating th... | 04/27/1976 |
