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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 6473188 | Apparatus and method for aligning components An apparatus for aligning components is disclosed. The apparatus includes a light source, a scattering plate for scattering light emitted from the light source towards the side of the component, a focus lens for focusing the scattered light having passed ... | 10/29/2002 |
| 6469386 | Lead frame and method for plating the same A lead frame for a semiconductor package and a method for manufacturing the lead frame. In the manufacture of the lead frame, a protective layer is formed with nickel (Ni) or Ni alloy on a metal substrate, an intermediate layer is then formed with palladi... | 10/22/2002 |
| 6352915 | Method for manufacturing semiconductor package containing cylindrical type bump grid array A method for manufacturing a semiconductor package comprising the steps of (a) forming a plurality of bumps on a metal frame and a bridge for connecting and supporting the bumps, (b) coating liquid solder on the bumps, (c) aligning the frame with respect ... | 03/05/2002 |
| 6318437 | Tape feeder for component part mounter A tape feeder for a part mounter including a guide frame into which first through third guide portions and a stripper are incorporated, a driving motor installed on the rear surface of the guide frame, first through third gears for transmitting the power ... | 11/20/2001 |
| 6308403 | Head assembly for part mounting apparatus and part mounting apparatus adopting the same A head assembly for a part mounting apparatus includes a housing, a plurality of rod housings installed to be capable of elevating with respect to the housing, a plurality of voice coil motors fixed to the housing to be capable of elevating the respective... | 10/30/2001 |
| 6232651 | Lead frame for semiconductor device A lead frame for semiconductor devices including a metal substrate having inner leads and outer leads, a nickel thin layer formed on the metal substrate, an outer layer formed of palladium or a palladium alloy on the nickel thin layer, and a protection la... | 05/15/2001 |
| 6178833 | Electronic parts loading device Disclosed is an electronic parts loading device comprising a head unit on which a operating means, such as a loading mechanism for loading electronic parts on a printed circuit board or an adhesive spread mechanism for spreading adhesive on a place of the... | 01/30/2001 |
| 6150711 | Multi-layer plated lead frame A multi-layer plated lead frame is provided. The lead frame has a structure in which a first precious metal plating layer, an intermediate plating layer, and a second precious metal plating layer are sequentially formed on a substrate made of ferroalloy. ... | 11/21/2000 |
| 6147745 | Exposure apparatus An exposure apparatus includes a frame member with a first stage having a substrate disposed thereon provided in a lower portion of the frame member. A leveling mechanism is provided for adjusting an orientation of the first stage. The exposure apparatus ... | 11/14/2000 |
| 6118947 | Drive method and device for an electronic shutter and auto focus control mechanism used in cameras A method for driving a shutter of a camera includes the steps of determining whether a first shutter release is performed, measuring light and distance to the subject if the first shutter release is performed, determining both a focus position of the focu... | 09/12/2000 |
| 6082010 | Stage apparatus having rotary table A stage apparatus having a rotary table and a method of operating the same are provided. The stage apparatus includes a base, a stage which is rectilinearly movable on the upper surface of the base, and a rotary table which is rotatable on the stage and o... | 07/04/2000 |
| 6074728 | Multi-layered circuit substrate A multi-layered circuit substrate and a manufacturing method thereof comprising the steps of coating the upper surface of a substrate with a photosensitive insulating layer; exposing and developing the photosensitive insulating layer to form a photosensit... | 06/13/2000 |
| 6067145 | Light exposing device for manufacturing semiconductor device which further removes asymmetrical aberration A light-exposing device for making a semiconductor device. A reticle has patterns to be exposed to light. A blind controls a light-exposing area of the reticle. An optical system between the blind and the reticle condenses light passing through the blind.... | 05/23/2000 |
| 6061523 | Photographic camera and a control method thereof A photographic device and a control method thereof in which a user can take a portrait photograph by changing a photographic screen range according to a size and a number of objects to be photographed. The photographic device includes a photographic selec... | 05/09/2000 |
| 6050103 | Air conditioning system An air conditioning system including a compressor for compressing high temperature air supplied by an engine, a turbine for cooling the compressed air by expanding the compressed air, a condenser which is connected to the turbine and condenses air, and an... | 04/18/2000 |
| 6046862 | Zoom lens system A zoom lens system includes three lens groups. The first lens group and the third lens group have a positive refractive power, and the second lens group has a negative refractive power. The second lens group and the third lens group move along an optical ... | 04/04/2000 |
| 6037653 | Semiconductor lead frame having multi-layered plating layer including copper-nickel plating layer A semiconductor lead frame and a fabricating method thereof are provided. The semiconductor lead frame includes a metal substrate, and a multi-layered plating layer including a copper-nickel alloy layer formed on the metal substrate, and a palladium or pa... | 03/14/2000 |
| 6034816 | Real image zoom finder The invention comprises a real image zoom finder including an objective lens group, an erecting group, and an eyepiece lens group. The objective lens group includes a first lens having a negative refractive power, a second lens having a positive refractiv... | 03/07/2000 |
| 6017777 | Method of forming a plating layer of a lead frame A method for forming a plating layer of a lead frame having excellent anti-corrosion properties is provided. At least a portion of a lead frame is plated, then a first heating of the plated portion of the lead frame to a first temperature is performed, an... | 01/25/2000 |
| 6011931 | Apparatus and method for preventing magnetic recording errors in an advanced photo system camera An apparatuses for preventing magnetic recording errors in an advanced photo system camera. The apparatus comprises a film transport sensing unit for detecting a perforation in a film and for generating an output signal for each detected perforation. A co... | 01/04/2000 |
| 5982560 | Compact zoom lens system A compact zoom lens system includes a positive first lens group and a negative second lens group. The first lens group includes a first positive lens, a second negative biconcave lens and a third positive biconvex lens. The second lens group includes a fo... | 11/09/1999 |
| 5977620 | Lead frame having a Ni-Mn alloy layer and a Pd layer A method for manufacturing a lead frame includes degreasing and activating the surface of a metal sheet, providing the plating solution containing nickel(II) sulfamate tetrahydrate, (Ni(H2 NSO3)2.4H.sub.2 O), manganese(II)... | 11/02/1999 |
| 5969773 | Device for reversing an image of an object A device for reversing an image of an object includes selector for selecting a reverse mode and control signal generator for generating a plurality of control signals. The control signal generator outputs a down-counting signal when the reverse mode is se... | 10/19/1999 |
| 5969879 | Compact zoom lens system Disclosed is a compact zoom lens system. The lens systems includes a first lens group having positive refractive power; a second lens group having negative refractive power; a third lens group having positive refractive power; and a fourth lens group havi... | 10/19/1999 |
| 5965837 | Artillery shell carrier A device for carrying artillery shells, each shell having a cylindrical body and a conical head, is disclosed. The device includes an upper body and a lower body. A gripper assembly is connected to the lower body and has an inner circumferential surface c... | 10/12/1999 |
| 5958607 | Lead frame for semiconductor device A lead frame has a metal substrate directly coated with a palladium alloy layer to prevent diffusion of metal molecules from the metal substrate. The lead frame does not contain a nickel intermediate layer, thereby preventing the diffusion of nickel molec... | 09/28/1999 |
| 5956185 | Compact camera zoom lens system The invention comprises a fast zoom lens system comprising, from an object side to an image side, three lens groups. The first lens group has an overall positive refractive power, the second lens group has an overall positive refractive power, and the thi... | 09/21/1999 |
| 5950016 | Recyclable camera and film combination for a camera recycling system A recyclable camera and film combination for a camera recycling system is disclosed. The camera comprises a film cartridge chamber with a lid, a rotatable dial manually rotated in the same, direction flame by frame, for every shot, both in controlling the... | 09/07/1999 |
| 5946035 | Flash control method for an interline charge coupled device camera A flash control method for an interline charge coupled device (CCD) camera, in which two photographic fields of an object are used to form one frame, is disclosed. The method comprises the step of storing an equation defining the relationship between a li... | 08/31/1999 |
| 5943513 | Zooming method and apparatus for a camera Zooming systems consistent with the present invention are used with a camera having a zoom lens barrel which moves in at least two zoom directions. The zooming system comprises a switch for selecting a zooming operation of the camera. An encoder detects a... | 08/24/1999 |
| 5940638 | Apparatus and method for reading photographic information for an advanced photo system camera An apparatus and a method for reading photographic information for an advance photo system camera utilizes a single optical sensor to record the photographic information on a data disk contained in a film cartridge. The apparatus further includes an infor... | 08/17/1999 |
| 5929910 | Video overhead display system A video overhead display system for displaying an image of an object includes an image enlarging unit for magnifying an optical image of the object. An image pick-up unit receives the magnified optical image of the object and converts the magnified optica... | 07/27/1999 |
| 5920425 | Internal lighting device for a video microscope system An internal lighting device for a video microscope system coupled to a video machine, such as a video presenter, that can be used to observe an object. The internal lighting device uses a source mounted in the video machine or on a video microscope, and c... | 07/06/1999 |
| 5917301 | Method for generating a motion profile of a motor Methods and systems consistent with the invention generate a motion profile of a motor. A reference acceleration profile, a reference velocity profile, and a reference displacement profile are first defined. Displacement-velocity data defining displacemen... | 06/29/1999 |
| 5917650 | Variable magnification finder The present invention relates to a variable magnification finder comprising an objective lens group having a positive refractive power for enabling a wide angle view of an object. The objective lens group includes a first lens sub-group having either a ne... | 06/29/1999 |
| 5911087 | Camera finder system Camera finder systems consistent with the present invention, used for observing an object and for use with a camera, include an objective lens system for forming a first image of the object and for magnifying the first image. An inverting optical system i... | 06/08/1999 |
| 5907900 | Device for selectively using position determination chuck or camera to correct position of a component for mounting on printed circuit board A component mounting device mounts electronic components from several component stages on a printed circuit board. The component mounting device includes a mounting head, a camera unit, and a selection unit. The mounting head, movably installed between th... | 06/01/1999 |
| 5900991 | Compact wide-angle zoom lens system The invention comprises a zoom lens system including two lens groups. The first lens group has an overall positive refractive power, and includes three sub-group lens units. The first sub-group lens unit has a negative refractive power, the second sub-gro... | 05/04/1999 |
| 5887205 | Apparatus and method for magnetically recording photographic data for an advanced photo system camera An apparatus for magnetically recording photographic data for an advanced photo system camera comprises a film transport sensing unit for sensing perforations in a film and for generating a signal per each perforation, an operation control unit for contro... | 03/23/1999 |
| 5857667 | Vacuum chuck A vacuum chuck according to the present invention includes a base plate having an outer wall formed in a predetermined height around the base plate. In addition, at least one inner wall, having the same height as the outer wall, is formed on the base plat... | 01/12/1999 |
