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President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 6685631 | Electronic endoscope system having variable power function To provide an electronic endoscope system provided with an objective optical system for optically magnifying an image to be observed by using a variable power lens and an electronic zoom IC circuit for electronically magnifying an image obtained by a CCD.... | 02/03/2004 |
| 6607159 | Take-up reel, veneer reeling apparatus, tape feeding unit for veneer roll, veneer roll unwinding apparatus and a production method for laminated wood A take-up reel has a diameter equal to or more than 85 times a thickness of a veneer sheet wound thereon and equal to or more than 300 mm so as to be of a curvature of the take-up reel to reduce cracking in parallel to fiber orientations that occurs in wi... | 08/19/2003 |
| 6606204 | Wide-angle three-group zoom lens A negative first lens group, a positive second lens group, and a positive third lens group are provided in sequence from an object side of a zoom lens. An aperture is provided in the second group of lenses. At the time of zooming operation, the three grou... | 08/12/2003 |
| 6599933 | Tocotrienol derivative, process for producing the same and γ-CEHC delivering agent The object of the present invention is to provide a tocotrienol derivative which is highly water-soluble and shows high bioavailability in the living body and γ-CEHC delivering agent. ##STR1## (A tocotrienolcarboxylic acid ester derivative represented by... | 07/29/2003 |
| 6595916 | Endoscope apparatus using curvature of field This endoscope apparatus utilizes a phenomenon called "curvature of field" of a lens to satisfactorily bring a shape, into focus, of an object to be observed such as unevenness especially during enlargement in accordance with a shape of unevenness or the ... | 07/22/2003 |
| 6596086 | Apparatus for thin film growth In an apparatus for vapor phase growth of silicon single crystal thin films, in-plane uniformity of susceptor temperature is improved and film thickness of a silicon single crystal thin film is uniformized. The base material of a lift pin 8 provided in a ... | 07/22/2003 |
| 6597390 | Electronic endoscope apparatus The present electronic endoscope apparatus makes it possible to select either of a conventional pixel mixing and reading system and a new all-pixel reading system. For example, an electronic endoscope apparatus having a pixel mixing and reading system cir... | 07/22/2003 |
| 6597342 | Game machine controller A game machine controller operates a character of a game, such as an airplane, a robot, or the like, which carries out various movements. The controller is shaped in a form identical to the character and comprises a posture detector, whereby the controlle... | 07/22/2003 |
| 6593559 | Image readout apparatus and image readout method using the same In an image readout apparatus comprising a light source for illuminating an original, a linearly arranged light-receiving device array, and an imaging lens for forming an image of the original illuminated with the light source onto the light-receiving dev... | 07/15/2003 |
| 6592662 | Method for preparing silicon single crystal and silicon single crystal In a method manufacturing a silicon single crystal 8 according to an MCZ method, a flow rate of an inert gas flowing in a growth furnace 1 during growth of the silicon single crystal 8 and/or a pressure in the growth furnace 1 is altered according to a pu... | 07/15/2003 |
| 6589336 | Production method for silicon epitaxial wafer and silicon epitaxial wafer Performing the post-implantation annealing for recovering crystallinity in a hydrogen atmosphere can successfully suppress the surface roughening on the ion-implanted layers without pre-implantation oxidation. This allows omission of the pre-implantation ... | 07/08/2003 |
| 6585380 | Illumination apparatus and projector type display apparatus using the same An illumination apparatus comprises a plurality of light source sections, an integrator section, and a mirror element. Each light source section is constituted by a luminous body and a reflector comprising an ellipsoidal surface having one focal point loc... | 07/01/2003 |
| 6583939 | Auxiliary imaging lens and imaging apparatus using the same An auxiliary imaging lens is attachable to the main part of zoom lens on the object side; and is configured such that, when capturing an image for a screen having an aspect ratio of 4:3, an effective imaging area having such a size that the screen having ... | 06/24/2003 |
| 6582280 | Sandblasting agent, wafer treated with the same, and method of treatment with the same A silicon wafer is sand blasted using a sand blasting abrasive material containing a chelating agent which is selected from the group consisting of, for example, the following compounds (1) to (4) and salts thereof: (1) Nitrilotriacetic acid (NTA) (2) Ethylene... | 06/24/2003 |
| 6573297 | (2-substituted oxyphenyl)alkanamide derivative, hair growth promoter and external composition for skin using the same A (2-substituted oxyphenyl)alkanamide derivative or a salt thereof expressed by the following Formula (I): ##STR1## wherein one of A and B is a hydrocarbon group of C3-30 expressed by R1 and the other is --(CH2)n-NR2 | 06/03/2003 |
| 6572539 | Linear transmission member driving unit for endoscope In the endoscope, in which a protective tube and a linear transmission member are arranged from a tip end portion to an operating unit, for transmitting rotation of a motor to the tip end portion through the linear transmission member to thereby drive a m... | 06/03/2003 |
| 6570661 | Optical system for oblique incidence interferometer and apparatus using the same In an interferometer optical system comprising a reference standard having an entrance surface on which a luminous flux from a light source is incident and a reference plane on which the luminous flux entering from the entrance surface is obliquely incide... | 05/27/2003 |
| 6569239 | Silicon epitaxial wafer and production method therefor A surface roughness distribution in the surface of a silicon epitaxial wafer is made uniform by optimizing a temperature distribution in the surface of a susceptor used in a vapor phase thin film growth apparatus. The susceptor is not supported by its cen... | 05/27/2003 |
| 6565335 | Vertical pump A vertical pump which has a rotating body having an impeller arranged with its axial center being vertical, and a cylindrical rotor fixed to an upper portion of the impeller with their axial center being, aligned with each other. A main portion of the cyl... | 05/20/2003 |
| 6563126 | Ultraviolet light permeable filter for flaw detection light and method for detection of flaws An ultraviolet light permeable filter for an ultraviolet detection light is equipped on a filter glass surface with a dielectric multi-film layer which allows a visible radiation of wave length from 694 nm to 780 nm to reflect on the layer. The 694 nm to ... | 05/13/2003 |
| 6558741 | Aluminum reflecting mirror and method of making the same Within a chamber in a vacuum atmosphere, SiO is deposited on a glass substrate so as to form a first layer as a protective film, Al is deposited on the first layer so as to form a second layer as an aluminum reflective film, MgF2 is deposited o... | 05/06/2003 |
| 6558317 | Air and water supply system for endoscopes The present invention provides a system for endoscopes which can supply air and water according to each application by regulating air and water flow rates independently. Although air and water may be supplied with one pump, the present invention controls ... | 05/06/2003 |
| 6557795 | Winding reel, veneer winding device, device for delivering tape to veneer roll, veneer roll unwinding device, and method of manufacturing plywood A take-up reel has a diameter equal to or more than 85 times a thickness of a veneer sheet wound thereon and equal to or more than 300 mm so as to be of a curvature of the take-up reel to reduce cracking in parallel to fiber orientations that occurs in wi... | 05/06/2003 |
| 6559901 | Illumination optical system and projection type display apparatus using the same In an illumination optical system comprising a light source unit, an integrator unit for homogenizing a luminous flux from the light source unit, and a light valve for modulating light from the integrator unit according to predetermined image information ... | 05/06/2003 |
| 6556478 | Method and apparatus for a voltage responsive RESET for EEPROM An under voltage lockout RESET circuit is connected to the RESET terminal of a EEPROM. The EEPROM is used in a system which may include a computer or processor and which may be used in space. The under voltage lockout RESET circuit maybe an under voltage ... | 04/29/2003 |
| 6556304 | Method of supporting reference plate for lightwave interferometer An O ring 41 having an inside diameter slightly smaller than the diameter of a reference plate 1 is wound about the reference plate 1 at an outer peripheral face position aligning with a neutral plane 42 of the reference plate 1, and the O ring 41 and the... | 04/29/2003 |
| 6549344 | Retro focus type wide-angle lens apparatus using the same A retro focus type wide-angle lens comprises a front group having a negative refracting power and a rear group having a positive refracting power. The front group comprises a first lens made of a negative meniscus lens, a second lens made of a biconvex le... | 04/15/2003 |
| 6545823 | Double-wavelength aperture restricting filter and optical pickup apparatus using the same A double-wavelength aperture restricting filter has a zonal part adapted to act such that one wavelength λ1 of light keeps the quantity of light in an outer peripheral part of the luminous flux thereof whereas the other wavelength λ2 | 04/08/2003 |
| 6545821 | Diffraction type lens and optical pickup apparatus using the same One surface of the substrate constituting a diffraction type lens is formed with a zone plate exhibiting a smaller converging action with respect to a first wavelength λ1 of light and a greater converging action with respect to a second wavele... | 04/08/2003 |
| 6540671 | Electronic endoscope apparatus driving light shielding plate There is provided a light shielding plate to shield light from a light source lamp, and this light shielding plate is rotated and driven by a light shielding plate drive circuit, and a charge stored in a CCD for a period of, for example, 20H at a start of... | 04/01/2003 |
| 6542193 | Optical system for TV camera with still-taking function In a TV camera main body, a still-image-luminous-flux-decomposing prism is disposed adjacent to a color-decomposing prism of a TV-image-capturing system, whereby still images whose aberration is favorably corrected as with TV images are obtained in a simp... | 04/01/2003 |
| 6542314 | Objective lens for optical recording media and optical pickup apparatus using the same One surface of an objective lens is provided with a zonal part which acts such that the quantity of light having a wavelength of λ1 is apparently canceled in the outer peripheral portion of the luminous flux due to an interference effect, wher... | 04/01/2003 |
| 6542311 | Zoom lens and projection type display apparatus using the same A zoom lens comprises first to fifth lens groups successively from the enlargement side. The first lens group is fixed upon changing power and has a negative refracting power and a focusing function. The second and third lens groups having a positive refr... | 04/01/2003 |
| 6532073 | Fringe analysis error detection method and fringe analysis error correction method Fringe image data obtained by use of the phase shift method is Fourier-transformed, so as to determine the carrier frequency and the complex amplitude which occur due to the deviation between the respective wavefronts from the object to be observed and a ... | 03/11/2003 |
| 6525315 | Ultraviolet light permeable filter for flaw detection light, and method for detection of flaws An ultraviolet light permeable filter for an ultraviolet detection light is equipped on a filter glass surface with a dielectric multi-film layer which allows a visible radiation of wave length from 694 nm to 780 nm to reflect on the layer. The wave lengt... | 02/25/2003 |
| 6515799 | Image stabilizing apparatus In an image stabilizing apparatus in which an actuator for a pivoting gimbal suspension is controlled by a feedback loop, the gain of feedback loop based on the angular position is enhanced when the angular velocity is at a first set value or higher until... | 02/04/2003 |
| 6511419 | Endoscope tip part with no swell at outer skin fixing part In an endoscope tip part in which a lens barrel is arranged and fixed to a mounting hole of a support body of the endoscope tip part and to this lens barrel, and an optical member such as an optical filter or a prism is connected by an optical part holdin... | 01/28/2003 |
| 6508760 | Endoscope for optically variable power using moving time as position information A movable lens is provided at the tip of an electroscope, and an optically enlarged image can be observed by moving the movable lens by a motor. A microcomputer measures the entire moving time from a far end to a near end of the movable lens, and the movi... | 01/21/2003 |
| 6507432 | Bright wide-angle infrared lens A bright wide-angle infrared lens, suitable for a wavelength band of 8 to 12 μm, having favorable imaging performances comprises, successively from the object side, a first lens L1 made of a positive meniscus lens having a convex surface direc... | 01/14/2003 |
| 6503082 | Portable tooth/nail surface cleaning polisher A portable tooth or nail polisher has a motor connected to a coupler formed in a body. A head member is mounted on the coupler during use. An accommodating space is formed in the body for holding the head when not in use. A head holder for fixing the head... | 01/07/2003 |