Quotables
"There is practically no chance communications space satellites will be used to provide better telephone, telegraph, television, or radio service inside the United States."
T. Craven, FCC Commissioner ; 1961
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7782546 | Zoom lens having increased positioning accuracy A zoom lens includes a cam roll, straight-forward units, lens groups, a driving unit, a detecting unit and a micro-processing unit. The lens groups moved by the cam roll sequentially varies from a receiving status to a zeroing status, a macro shooting-distance statu... | 08/24/2010 |
| 7379249 | Downsize, high performance, and wide range magnification zoom lens and camera apparatus A zoom lens includes a first lens band having a positive focal length, a second lens band having a negative focal length, and at least third to fifth lens bands having positive focal lengths. An aperture diaphragm is located in the vicinity of the third lens band. W... | 05/27/2008 |
| 7352387 | Camera with positioning device used to capture magnified and demagnified images To provide a camera that is suited to shoot both a demagnified image and a magnified image. The camera includes a housing body 11 containing a CCD 15, and a lens barrel 12. An abutted member 20 having an objective lens 40 th... | 04/01/2008 |
| 7312921 | Microscope and sample observation method For a semiconductor device S as an inspected object, there are provided an image acquisition part 1, an optical system 2 including an objective lens 20, and a solid immersion lens (SIL) 3 movable between an insertion position including an... | 12/25/2007 |
| 7307795 | Zoom lens and image pickup apparatus having the same The present invention has as its object to obtain a zoom lens having a high variable power ratio, and having high optical performance which can sufficiently cope with even the use, for example, of a solid state image pickup element having a wide angle of field. ... | 12/11/2007 |
| 7289273 | Zoom lens and electronic imaging apparatus having the same A zoom lens includes, in order from the object side, the first lens unit consisting of one negative lens component in which a plurality of lens components are cemented to one another and the second lens unit including one negative lens component and having positive ... | 10/30/2007 |
| 7286300 | Zoom lens and image pickup apparatus A zoom lens is disclosed which has a macro mode wherein the magnifying power is higher than 0.5. The zoom lens includes a first positive lens group, a second negative lens group movable upon power variation, and a plurality of movable lens groups cooperable with the... | 10/23/2007 |
| 7269344 | Optical apparatus An optical apparatus has an imaging optical system provided with a deformable mirror and an electronic zoom function that an image recorded in an image sensor by the imaging optical system is magnified by image processing. A ray deflecting function of the deformable... | 09/11/2007 |
| 7215477 | Zoom lens and image display apparatus including the zoom lens Provided is a projection lens, including: a plurality of moving lens units that move on an optical axis for zooming; and a plurality of plastic lenses containing plastic, in which when a focal distance of an i-th positive lens from a predetermined plane side of N po... | 05/08/2007 |
| 7072126 | Temperature compensation device for optical instruments The present invention discloses a temperature compensation device for optical instruments which comprises a lens assembly, motor means for rotating the lens assembly about the optical axis thereof, kinematic means for producing rectilinear motion of the lens assembl... | 07/04/2006 |
| 7038858 | Downsize, high performance, and wide range magnification zoom lens and camera apparatus A zoom lens includes a first lens band having a positive focal length, a second lens band having a negative focal length, and at least third to fifth lens bands having positive focal lengths. An aperture diaphragm is located in the vicinity of the third lens band. W... | 05/02/2006 |
| 6993256 | Zoom and focus control method and system A focus lens and a zoom lens group having a first zoom lens and a second zoom lens are controlled separately from one another in an internal-focus camera. The positions of the focus lens and the second zoom lens in the zoom lens group are tracked, and are controlled... | 01/31/2006 |
| 6751032 | Lens barrel A lens barrel includes cam ring which is rotated about an optical axis to move a lens group in the optical axis direction, and a rotational ring which transfers a rotational motion to the cam ring. The rotational ring includes a rotation-transmission arm extending i... | 06/15/2004 |
| 6714731 | Zoom and focus control method and system A focus lens and a zoom lens group having a first zoom lens and a second zoom lens are controlled separately from one another in an internal-focus camera. The positions of the focus lens and the second zoom lens in the zoom lens group are tracked, and are controlled... | 03/30/2004 |
| 6646816 | Portable terminal and drive method for photographic optical system A portable telephone 1 is provided with a body 2 and a camera unit 3. In the camera unit 3, photography is switched to macro photography by pressing a macro button 22 on the body 2. In this way, the convenience of the portable telephone 1 is improved beca... | 11/11/2003 |
| 6577452 | Variable focal length lens system A variable focal length lens system comprises, from the object side, a positive first lens group, a positive second lens group and a negative third lens group. The lens groups are moved toward the object side such that, when changing from wide angle to te... | 06/10/2003 |
| 6476985 | Image pickup lens unit An image pickup lens unit includes, as viewed from an object side, a retainer having an aperture stop, an image pickup lens, and a holder. The retainer having an aperture stop and the image pickup lens are united with each other. The holder assumes a subs... | 11/05/2002 |
| 6449102 | Zoom lens device adapted to macro photography In a zoom lens device, the mechanism for guiding lens groups for achieving a composite focal length for the zoom lens function is used also for positioning the lens groups for the macro lens function. In particular, the position for the macro lens functio... | 09/10/2002 |
| 6426839 | Image pickup lens unit An image pickup lens unit includes, as viewed from an object side, a retainer having an aperture stop, an image pickup lens, and a holder. The retainer having an aperture stop and the image pickup lens are united with each other. The holder assumes a subs... | 07/30/2002 |
| 6385400 | Macro zoom lens system A macro zoom lens system includes at least three lens groups, such as, a positive first lens group, a negative second lens group, and a positive third lens group, in this order from the object. Upon zooming, at least two lens groups are made moveable. On ... | 05/07/2002 |
| 6271882 | TV camera lens device A TV camera lens device includes a flange back length control signal for moving a master lens group to a position of the proper flange back length in accordance with the operation of a flange back length control. It further includes a macro control signal... | 08/07/2001 |
| 6239920 | Zoom lens system A zoom lens system capable of macro-photography having, in the order from the object side, a first lens unit that has positive optical power and is fixed during zooming; a second lens unit that has negative optical power and moves along the optical axis d... | 05/29/2001 |
| 6222681 | Zoom lens system A zoom lens system capable of macro-photography having, in the order from the object side, a first lens unit that has positive optical power and is fixed during zooming; a second lens unit that has negative optical power and moves along the optical axis d... | 04/24/2001 |
| 6154324 | Macro lens system A macro lens system includes a positive first lens group, an aperture and a negative second lens group arranged in the order from an object side. The driving mechanism drives the lens groups and the aperture to move independently along an optical axis for... | 11/28/2000 |
| 6147820 | Apparatus for the adjustment of the focal position of an opto-electronic apparatus An apparatus is described for the adjustment of the focal position of an opto-electronic apparatus including a transmitter element which transmits light and a lens for the focusing of the light transmitted by the transmitter element. The apparatus include... | 11/14/2000 |
| 6101045 | Zoom lens system A zoom lens system has from an object side a first lens group of a positive refractive power, a second lens group of a positive refractive power and a third lens group of a negative refractive power. The second lens group has from the object side a lens u... | 08/08/2000 |
| 6094313 | Zoom lens system The invention relates to a zoom lens system having stable performance and a high magnification, which comprises a first lens group G1 having positive refracting power, a second lens group G2 having negative refracting power, a third lens group G3 having p... | 07/25/2000 |
| 6028714 | Zoom lens A zoom lens comprises a plurality of lens units movable along an optical axis for zooming and a lens unit movable along the optical axis for focusing, wherein the focusing lens unit moves integrally with one lens unit of the plurality of lens units in at ... | 02/22/2000 |
| 5909319 | Long focal length macrolens system A high-performance, long-focal length macrolens system is provided which is easy-to-operate and is capable of photographing an object at an infinitely far distance and an object at a close distance without changing the overall length of the macrolens syst... | 06/01/1999 |
| 5715097 | Zoom lens A zoom lens structured so that a substantially constant amount of movement of a focusing lens group is required for focusing on objects at the same distance regardless of the zoom position even when an inner focusing method is implemented. The zoom lens i... | 02/03/1998 |
| 5684639 | Zoom lens capable of focusing on close range A small zoom lens makes possible short distance focusing with a high zoom ratio and high performance using a simple lens barrel. A focusing second lens unit moves along the optical axis during focusing to the short distance object; a first lens unit is ad... | 11/04/1997 |
| 5623371 | Macro lens system The present invention provides a photographic lens system capable of close-up photography in which various aberrations such as spherical aberration and coma, and curvature of field are concurrently corrected in a well-balanced state and which is relativel... | 04/22/1997 |
| 5517361 | Zoom lens system A zoom lens system, with both zooming and focusing functions, has a plurality of lens groups including at least two focusing lens groups which move differently from each other either in zooming or in focusing, wherein when a certain movement trace for zoo... | 05/14/1996 |
| 5467226 | Optical apparatus having a lens for zooming movable to a zoom area and a macro area An optical apparatus has a lens for zooming movable to a zoom area and a macro area, and a stopper operable to be changed over to a first state in which the movement of the lens from the zoom area to the macro area is prohibited and a second state in whic... | 11/14/1995 |
| 5331465 | Macro lens A macro lens comprises first to third lens groups having positive powers and an aperture stop disposed the first and second lens groups. The first lens group, aperture stop and second lens group remain fixed with respect to one another and movable as one ... | 07/19/1994 |
| 5313329 | Lens hood assembly for zoom lens A lens hood assembly is provided for use with a zoom lens having a group of variable power lenses for varying focal length, the assembly comprising a lens hood which is adapted to be moved along the optical axis direction of the zoom lens and which is pro... | 05/17/1994 |
| 5303086 | Zoom lens with close-up lens A zoom lens with a close-up lens has first to fifth lens groups arranged in this order from the object side. Each of the first, second and fifth lens groups has a positive power and each of the third and fourth lens groups has a negative power. The first ... | 04/12/1994 |
| 5194991 | Zoom lens system A zoom lens system comprising a first lens unit having a positive refractive power, a second lens unit having a positive refractive power and a third lens unit having a negative refractive power, and is modifiable into a macro optical system for photograp... | 03/16/1993 |
| 5191475 | Zoom lens A zoom lens comprising, from front to rear, a focusing lens group, a variator lens group, a compensator lens group and a relay lens group, the relay lens group consisting of a front part and a rear part with a longest air spacing therebetween, and the rea... | 03/02/1993 |
| 5168402 | Vari-focal lens system A vari-focal lens system comprising, in the order from the object side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power and a fourth lens uni... | 12/01/1992 |
