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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 6791604 | Electronic camera An electronic camera of the present invention includes a paper exit opening for removal of printed paper provided on the upper surface of the case of the camera main body, a protection sheet having a base end fixed to the inside of the paper exit opening, with a fre... | 09/14/2004 |
| 6778777 | Camera An electronic camera having therein a CCD (image sensing device). A lens barrel is mounted on a camera body thereof. As focusing means, this camera has therein a ranging unit in an active AF manner and a contrast detector in a contrast AF manner using subject light ... | 08/17/2004 |
| 6486877 | Method and apparatus for creating virtual environment, and record medium having recorded thereon computer readable program for creating virtual environment A virtual environment model of an inside of a room is created from a panoramic image thereof by performing the steps of: arranging the panoramic image on a cylindrical body in a virtual space such that information about an angle of view of the relevant panoram... | 11/26/2002 |
| 6356518 | Information recording and/or reproducing apparatus for optical disks having various protective layer thicknesses An information recording reproducing apparatus for recording and/or reproducing informations on and/or from an optical recording medium. The apparatus comprises a light source, at least two objective lenses corresponding to at least two kinds of optical r... | 03/12/2002 |
| 6331841 | Image display system An image display system for viewing an electronic image and an external sight simultaneously, which includes image display units which have an individual controller for outputting image signals to a display unit. The display unit enables a switching opera... | 12/18/2001 |
| 6310849 | Apparatus for recording and/or reproducing information and/or from optical information record disk An apparatus for recording and/or reproducing information on and/or from a magneto-optical disk including an optical head for projecting a laser beam onto a magneto-optical disk and receiving the laser beam reflected by the disk, an up-down block arranged... | 10/30/2001 |
| 6181666 | Optical pickup An optical pickup comprises a plurality of light sources for generating recording and reproducing light of information, a plurality of optical elements for treating light beam generated from the light sources, light detecting means for detecting light bea... | 01/30/2001 |
| 6166784 | Imaging optical system An imaging optical system is disclosed. The system comprises a liquid crystal lens including a first body consisting of a substantially transparent birefringent liquid crystal member, a second body consisting of a substantially transparent birefringent li... | 12/26/2000 |
| 6157488 | Diffractive optical element A diffractive optical element including a stack of first, second and third optical regions or a stack of first, second, third and fourth optical regions, a first relief pattern formed between the first and second optical regions, and a second relief patte... | 12/05/2000 |
| 6137457 | Image display system An image display system capable of viewing an electronic image and an external sight simultaneously, or selectively is disclosed. The system comprises a plurality of image display units including a controller for outputting image signals and at least one ... | 10/24/2000 |
| 6128127 | Differential interference contrast microscope and microscopic image processing system using the same A differential interference contrast microscope including an illuminating light source, a polarizer for converting an illumination light ray into a linearly polarized light, a polarized light separating unit for dividing the linearly polarized light ray i... | 10/03/2000 |
| 6099146 | Illuminating optical system for cutting infrared light by relief type optical element An illumination optical system for cutting infrared light by a relief type optical element includes a light source and a relief type diffraction optical element having a rectangular sectional-shaped grating having an equal area of land and groove areas so... | 08/08/2000 |
| 6069867 | Apparatus for supporting optical system of optical information recording/reproducing apparatus and method of manufacturing the same An apparatus for supporting an optical system such as an objective lens in an optical recording and/or reproducing apparatus movably in a focusing direction and/or tracking direction including an optical system holding member, a stationary member which is... | 05/30/2000 |
| 6034933 | Apparatus for recording and reproducing optical information on and from optical record medium An apparatus for recording and reproducing optical information on and from an optical record medium such as optical card including an optical device having semiconductor lasers 1, 2, diffraction gratings 6, 10a, 10b and objective lens 3 for projecting a r... | 03/07/2000 |
| 5917460 | Head-mounted type image display system A head-mounted type image display system includes right and left image display devices, first and second projection optical systems projecting right and left images displayed on the first and second image display devices onto right and and left eyes of a ... | 06/29/1999 |
| 5878017 | Optical recording and/or reproducing apparatus having objective lens adjusting mechanism An optical recording and/or reproducing apparatus having an objective lens adjusting mechanism suitable for a compact optical pickup device. The apparatus has a carriage for holding an objective lens, and a guide. The carriage is movable along the guide. ... | 03/02/1999 |
| 5863286 | Endoscope system including endoscope and disposable protection cover In an endoscope system including an endoscope having an insertion section and an operation section and a disposable protection cover having an insertion section cover having formed therein a forceps channel and a forceps inlet opening through which a forc... | 01/26/1999 |
| 5854151 | Glass body with distribution composition The present invention provides a glass body with distributed composition which contains, for example, a rare-earth element having a concentration distribution, which can be produced in high yield while inhibiting cracking at the time of vitrification and ... | 12/29/1998 |
| 5843321 | Method of manufacturing optical element Methods of manufacturing optical elements such as diffraction type lenses, aspherical lenses and diffraction gratings are disclosed. Deposited on a glass substrate is a workpiece film made of a material which can be machined much more easily than the subs... | 12/01/1998 |
| 5825456 | Stereoscopic video display apparatus An apparatus for displaying a stereoscopic image including right-eye and left-eye image display devices displaying right-eye and left-eye images, respectively, right-eye and left-eye magnifying lenses forming enlarged virtual right-eye and left-eye images... | 10/20/1998 |
| 5801882 | Real image mode finder optical system A real image mode finder optical system, situated separate from a photographing optical system, includes an objective system for forming an object image; an optical path splitting member for dividing a finder optical path formed by the objective system in... | 09/01/1998 |
| 5748372 | High numerical aperture and long working distance objective system using diffraction-type optical elements The invention provides a high-magnification and high-NA objective having a long working distance, which is corrected for various aberrations, especially chromatic aberrations over a wide wavelength range and allowed to have an aligning pupil position with... | 05/05/1998 |
| 5708851 | System for managing information by using hybrid card in main and subdata processing apparatuses In a system for managing medical information by using a hybrid card having an optical stripe and an IC module, in a hospital there is provided a main data processing apparatus which can write and read data on and from the optical stripe of the hybrid card... | 01/13/1998 |
| 5696630 | Focal plates and method of manufacturing the same A focal plate for use in camera and a method of manufacturing the same are disclosed. The focal plate comprises an optical plate, a plurality of lens-like uneven portions regularly formed on the surface of the optical material, and a plurality of fine rug... | 12/09/1997 |
| 5685311 | Image display system An ultrasonic probe having an electronic radial transducer is disclosed. In the ultrasonic probe, a plurality of piezoelectric elements having electrodes on both surfaces thereof are arranged and juxtaposed on a circular backing member. A doughnut shaped ... | 11/11/1997 |
| 5663843 | Optical system driving apparatus An optical system driving apparatus including a holder 2 supporting an objective lens 1, resilient supporting members 29a, 29b for supporting the holder movably in a focusing direction Z perpendicular to a record medium, and focusing coils 4a, 4b secured ... | 09/02/1997 |
| 5640171 | Image display system An image display device having liquid crystal panels separately in right and left sides of a viewer, and capable of performing a common video signal display (2D display) and a stereoscopic display in field sequentially, is disclosed. The device comprises:... | 06/17/1997 |
| 5159584 | Bias-Magnetic field generating system of photo-magnetic recording device A photo-magnetic (magneto-optic) recording device having recording medium in the form of a rotating magnetic disc having magnetic characteristics in a direction perpendicular to its surface has a pickup head (7) disposed on one side of the disc and movabl... | 10/27/1992 |
| 5069536 | Zoom lens system A zoom lens system comprising, in the order from the object side, a first lens unit having positive refractive power, a second lens unit having positive refractive power and a third lens unit having negative refractive power, and so adapted as to vary foc... | 12/03/1991 |
| 5005033 | Photographing data setting apparatus for camera A camera has a rotary operation member, a detection unit, a photographing data setting circuit, and a pulse signal generation unit. The rotary operation member is exposed from a plurality of portions of the camera to be able to be operated from a pluralit... | 04/02/1991 |
| 4937048 | Carrier transporting apparatus and carrier container for use in an immunological analysis A carrier transporting apparatus for use in an automatic chemical analyzer for measuring given substances in samples in accordance with an enzyme-immuno-assay includes a carrier supply device for supplying the predetermined number of carriers from a carri... | 06/26/1990 |
| 4924253 | Drive apparatus for a focusing lens A focusing lens drive apparatus in which an adjusting value for adjusting an fc error in an EEPROM of a digital memory has been stored, determines an amount of driving a focusing lens, when a CPU receives a measured range data from an AFIC, by calculation... | 05/08/1990 |
| 4851164 | Method of manufacturing focal plates A focal plate for use in camera and a method of manufacturing the same are disclosed. The focal plate comprises an optical plate, a plurality of lens-like uneven portions regularly formed on the surface of the optical material, and a plurality of fine rug... | 07/25/1989 |
| 4803475 | Image display apparatus An image display apparatus including a display memory which is accessed by a central processing unit for controlling input/output traffic of image information and by an image display device such as CRT in a time division multiplex mode. There are further ... | 02/07/1989 |
| 4799796 | Method and apparatus for measuring immunological reaction with the aid of phase-modulation of light In order to measure the antigen-antibody reaction, a linearly polarized laser light beam is divided into first and second light beams and the first light beam is made incident upon a cell containing a reaction liquid including particles. The second light ... | 01/24/1989 |
| 4778253 | Device for retaining an optical part A device for retaining an optical part is disclosed, which comprises an optical element, a holding frame and an adhesive for fixing the optical element to the holding frame. The adhesive comprises an ultraviolet curing type adhesive containing 0.5-20% by ... | 10/18/1988 |
| 4772487 | Method and apparatus of forming solid phase reagent in micro-module Solid reagent film is formed in a micro-well for diagnosis of e.g. AIDS. The process is formed fully automatically without any manual operation. The process includes dispensing reagent solution in micro-wells of one or two rows simultaneously on sequentia... | 09/20/1988 |
| 4764833 | Perpendicular magnetic head A perpendicular magnetic head for magnetizing a magnetic recording medium in the direction of thickness thereof comprises a main pole film of a magnetically soft material having a high magnetic permeability which is held sandwiched between a first and a s... | 08/16/1988 |
| 4764784 | Camera with a built-in zoom lens A camera with a built-in zoom lens includes at least first and second lens groups, a zoom frame for moving these lens groups along their optical axis during a zooming operation, a first lens holding frame carrying the first lens group and movable together... | 08/16/1988 |
| 4757487 | Method and apparatus for detecting track crossings on an optical disc In a method of detecting track crossings on an optical disc, a light source irradiates a light beam onto an optical disc having guide tracks in the form of a recess and the light beam is reflected and diffracted into a zero order light beam and positive a... | 07/12/1988 |
