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A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 8189270 | Zoom lens and imaging apparatus Disclosed are a zoom lens and an imaging apparatus having a high zoom ratio, a small total length, and a small overall size. A zoom lens includes a first lens group having a positive refractive power, a second lens group having a negative refractive power, a ... | 05/29/2012 |
| 8149515 | Zoom lens and image pickup apparatus with the same The zoom lens includes, in order from an object side, a first lens unit (positive), a second lens unit (negative), a reflective member and subsequent lens units. A distance between the second and subsequent lens units is reduced during zooming from a wide-angle end ... | 04/03/2012 |
| 8107171 | Zoom lens system and image pickup apparatus including the same A zoom lens system comprises, from an object to an image side: a first, a second, a third, a fourth, and a fifth lens units, wherein all units move during zooming so that an interval between the first and second lens units is larger, an interval between the second a... | 01/31/2012 |
| 8023197 | Zoom lens and camera with the same The zoom lens is a retractable bent-type zoom lens capable of providing a high zoom ratio and a reduced thickness, and capable of retracting into a camera body with an easily-configured mechanism. The zoom lens includes in order from an object side to an image side,... | 09/20/2011 |
| 8018659 | Image forming optical system and electronic image pickup apparatus equipped with same An image forming optical system comprising, in order from the object side: a first lens group G1 that is fixed during zooming and includes a reflecting optical element for bending an optical path; a second lens group G2 having a negative refracting pow... | 09/13/2011 |
| 7995284 | Zoom lens and image pickup apparatus A zoom lens includes: a first lens group having a positive refracting power; a second lens group having a negative refracting power; a third lens group having a positive refracting power; a fourth lens group having a positive refracting power; and a fifth lens group... | 08/09/2011 |
| 7990623 | Zoom lens and imaging capturing device An object is to reduce the effect of defocusing due to the movement of an image plane when a shifting lens group movable in a direction perpendicular to the optical axis for correcting hand jiggling is positionally deviated along the optical axis, thereby maintainin... | 08/02/2011 |
| 7982966 | Zoom lens, optical apparatus, and method for forming an image of an object In a zoom lens ZL having a plurality of lens groups which are disposed in order from an object, a first lens group that is disposed to closest to the object among the plurality of lens groups has positive refractive power and comprises a light path bending element w... | 07/19/2011 |
| 7982967 | Zoom lens and image pickup apparatus including the same A zoom lens includes, in order from an object side to an image 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 rear group including at leas... | 07/19/2011 |
| 7961402 | High zoom-ratio zoom lens system A high zoom-ratio zoom lens system includes a positive first lens group, a negative second lens group, a positive third lens group, a negative fourth lens group, a positive fifth lens group, and a negative sixth lens group, in this order from an object. Upon ... | 06/14/2011 |
| 7940470 | Zoom lens A zoom lens includes sequentially from an object side, a positive first lens group; a negative second lens group; a diaphragm; a positive third lens group; a positive fourth lens group; and a positive fifth lens group, wherein a first condition 0.8≦(SLM−(SLW+SLT... | 05/10/2011 |
| 7864442 | Zoom lens A zoom lens includes, in order from an object side thereof: a first lens group with a positive refractive power; a second lens group with a negative refractive power; a third lens group with a positive refractive power; a fourth lens group with a negative refractive... | 01/04/2011 |
| 7848028 | Variable focal length lens system A variable focal length lens system includes: a first lens group having a positive refracting power; a second lens group having a negative refracting power; a third lens group having a positive refracting power; a fourth lens group having a negative refracting power... | 12/07/2010 |
| 7821723 | High power zoom lens system and image pickup apparatus A high power zoom lens system includes, in order from the object side: a first lens group having a positive refractive power and remaining stationary during zooming; a second lens group having a negative refractive power and moving during zooming; a third lens group... | 10/26/2010 |
| 7813051 | High zoom-ratio zoom lens system A high zoom-ratio zoom lens system of five lens groups includes a positive first lens group, a negative second lens group, a positive third lens group, a positive fourth lens group, and a negative fifth lens group, in this order from the object. Upon zooming ... | 10/12/2010 |
| 7813050 | Zoom lens and image capturing module using same A zoom lens includes, in order from an object side to an image side, a first lens group having positive refractive power, a second lens group having negative refractive power, a third lens group having negative refractive power, a fourth lens group having positive r... | 10/12/2010 |
| 7800832 | Image forming optical system and electronic image pickup apparatus using image forming optical system An optical system has a positive lens group, a negative lens group, and an aperture stop. The negative lens group is disposed at an object side of the aperture stop and has a cemented lens, and in a rectangular coordinate system in which a horizontal axis is Nd and ... | 09/21/2010 |
| 7791816 | Zoom lens and image taking apparatus A zoom lens having a variable image magnification, for introducing object light from an object side toward a light receiving surface on an optical axis, is provided. An objective lens system has a positive refractive power, and includes a prism for reflecting the ob... | 09/07/2010 |
| 7777966 | Compact zoom lens Provided is a zoom lens. The zoom lens includes a first lens group with a positive refractive power, a second lens group with a negative refractive power, a third lens group with a positive refractive power, a fourth lens group with a negative refractive power, and ... | 08/17/2010 |
| 7773310 | Zoom lens and image pickup apparatus A zoom lens includes first to fifth lens groups respectively having positive, negative, positive, positive, and negative refractive powers in that order from the object side. Zooming is performed by moving the second lens group and the fourth lens group in an optica... | 08/10/2010 |
| 7773309 | Projection zoom lens device and projection-type display apparatus A projection zoom lens device includes, in order from a magnification side, a negative first group G1 and positive second to fifth groups (G2 to G5) and is configured so that the second group G2, the third group G3,... | 08/10/2010 |
| 7719773 | Zoom lens unit and imaging apparatus A zoom lens unit includes, in order from an object side to an image side: a first lens group having a positive refracting power; a second lens group having a negative refracting power; a third lens group having a positive refracting power; a fourth lens group having... | 05/18/2010 |
| 7688519 | Zoom lens and image pickup apparatus including the same A zoom lens includes, from object to image side, a first unit having positive refractive power, a second unit having negative refractive power, including a negative lens member and prism from the object to image side, and being stationary during zooming, a third uni... | 03/30/2010 |
| 7656589 | Zoom lens system, imaging device and camera An object is to provide: a zoom lens system that has a reduced overall length, a high resolution, and a variable magnification ratio as high as 9 or greater and that is satisfactorily adaptable for wide-angle image taking where the view angle at a wide-angle limit i... | 02/02/2010 |
| 7626765 | Bent zoom lens The bent zoom lens is configured to include, arranged in order from an object side, a first lens group GR1 having a positive refractive power, a second lens group GR2 having a negative refractive power, a third lens group GR3 having a positive r... | 12/01/2009 |
| 7626767 | Zoom lens A zoom lens for capturing images that enhances the image aberration correction rate to achieve high resolution and zooming ratio. The zoom lens includes, in sequence from an object side to an image side, a first lens group with positive refraction power, a second le... | 12/01/2009 |
| 7626766 | Zoom lens system, lens barrel, imaging device and camera A zoom lens system comprising a plurality of lens units each composed of at least one lens element, wherein an interval between at least any two lens units is changed so that an optical image is formed with a continuously variable magnification, the zoom lens system... | 12/01/2009 |
| 7623298 | Zoom lens, camera apparatus, and portable information terminal apparatus A zoom lens comprises a first lens group G1, which includes a negative focal length, a second lens group G2, which includes a positive focal length, a third lens group G3, which includes a negative focal length, a fourth lens group G4, wh... | 11/24/2009 |
| 7616385 | Zoom lens and image pickup apparatus including the same A zoom lens performs zooming by moving a plurality of lens units, and includes a front lens unit disposed on an object side of an aperture stop and at least one diffractive optical part having positive power, and a rear lens unit disposed on an image side of the ape... | 11/10/2009 |
| 7573648 | Zoom lens In this invention, to provide a compact zoom lens having a small number of optical element groups to be driven and a simple moving mechanism, at least one of a plurality of optical element groups arranged in the lens system includes a refractive power variable eleme... | 08/11/2009 |
| 7567390 | Zoom lens system, imaging device and camera A zoom lens system comprising a plurality of lens units each composed of at least one lens element, wherein an interval between at least any two lens units is changed so that an optical image is formed with a continuously variable magnification, any one of the lens ... | 07/28/2009 |
| 7564632 | Projection zoom lens A projection zoom lens includes, from a screen side to an image source side, a first lens group having a negative refractive power, a second lens group having a positive refractive power, a third lens group having a positive refractive power, a fourth lens group hav... | 07/21/2009 |
| 7561343 | Electronic image pickup apparatus using zoom lens system There is disclosed an electronic image pickup apparatus including an aperture stop disposed on an optical path reflected by a reflective surface of a first lens unit and having a non-circular aperture in a state in which an area of an aperture of the aperture stop i... | 07/14/2009 |
| 7545579 | Zoom lens system and image pick-up apparaus There is provided a zoom lens system, compact and light in weight and having high image formation performance over the zoom entire range irrespective of object lens while covering the range from the broad angle side up to the telescopic end state side, which is used... | 06/09/2009 |
| 7532410 | Projecting zoom lens and projection type display device A projecting zoom lens includes in order from a magnification side, a first negative group, second, third and fourth positive groups, a fifth negative group and a sixth positive group. The third group, the fourth group and the fifth group are moved along the optical... | 05/12/2009 |
| 7522348 | Zoom lens and projection display device using the same A zoom lens includes in order from a magnification side a first to fifth lens groups G1 to G5. The first and fifth lens group is fixed during varying of a power. The first lens group executes focusing. The second, third and fourth lens groups m... | 04/21/2009 |
| 7505212 | Zoom lens and image pick-up apparatus A zoom lens having a plurality of lens groups which performs zooming by changing distances between groups includes a reflective member to bend an optical axis which passes through the plurality of the lens groups. The plurality of lens groups includes, in order from... | 03/17/2009 |
| 7502173 | Zoom lens system A zoom lens system includes, in order from an object, a first lens group having positive power, a second lens group having negative power, a third lens group having positive power, a fourth lens group having positive power, and a fifth lens group having positive pow... | 03/10/2009 |
| 7492524 | Zoom lens system, imaging apparatus, method for vibration reduction, and method for varying focal length Providing a zoom lens system with a vibration reduction function, a high zoom ratio, and a wide angle of view, an imaging apparatus, a method for vibration reduction, and a method for varying a focal length. The system includes, in order from an object, a first lens... | 02/17/2009 |
| 7492525 | Zoom lens, camera apparatus and portable information terminal apparatus A zoom lens having five lens groups arranged in succession. The zoom lens is configured such that when zooming from a short focal length end toward a long focal length end, the second lens group lens moves toward the third lens group and the fourth lens group moves ... | 02/17/2009 |
