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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 |
| 7148948 | Scanning exposure apparatus, and device manufacturing method A scanning exposure apparatus includes an illumination optical system for illuminating a pattern of an original through an opening being conjugate or approximately conjugate with the pattern of the original, and a changing mechanism for changing a width of the openi... | 12/12/2006 |
| 6795165 | Focus inspection device and focusing method A photographic lens and test chart provide for a method of inspecting and adjusting the focus of the lens. The test chart is obliquely inclined relative to a plane perpendicular to the viewing axis of the photographic lens. Test photographs are taken of the test cha... | 09/21/2004 |
| 6466302 | Scanning system with document previewing A document scanning system includes a preview sensor that is dedicated to document previewing and distinct from any other sensor that is involved in the document scanning process. The preview sensor is preferably a two-dimensional sensor array that captur... | 10/15/2002 |
| 6157439 | Copy system with document previewing A document copy system includes a preview sensor that is dedicated to document previewing and distinct from any other sensor that is involved in the document copying process. The preview sensor is preferably a two-dimensional sensor array that captures th... | 12/05/2000 |
| 5946123 | Scan-range-changing mechanism of a scanner A scan-range-changing mechanism of a scanner includes a scanning-scale ruler, a charge coupled device (CCD), a sliding seat which supports single-axis or two-axis moving capabilities, a plurality of lenses which are rigidly fixed on a sliding seat and loc... | 08/31/1999 |
| 5625469 | Apparatus for alignment of material to be scanned in a flat-bed scanner A scanning apparatus providing an object focal plane for original documents to be scanned, wherein a scan carriage containing illumination, sensor, and optical elements is moved together to scan an original document and to obtain a digitized representatio... | 04/29/1997 |
| 4870453 | Magnification varying mechanism for image forming apparatus A copier for providing photographic copies of different sized originals, having an optical system variable for altering the magnification of an original, a scale member movable to locate the end of each respective size of original on the copier, and a lin... | 09/26/1989 |
| 4740811 | Indicator for indicating a range of image formation for an image forming apparatus An image forming apparatus is provided with a pair of pointers for indicating a range for image formation on an original table. The pointers, which are driven by a pulse motor, can move in a direction perpendicular to the moving direction of an optical sy... | 04/26/1988 |
| 4725869 | Display device of copying machine A display device for a copying machine, wherein when a special mode such as copying with reduction and duplex copying (copying on both surfaces of a copying paper) is selected, it is judged whether the paper feed cassette set for copying is proper for the... | 02/16/1988 |
| 4655585 | Image forming apparatus An image forming apparatus is provided with a pair of pointers for indicating a range for image formation on an original table. The pointers, which are driven by a pulse motor, can move in a direction perpendicular to the moving direction of an optical sy... | 04/07/1987 |
| 4598999 | Area detection method of an original for use in copying machines The area detection method detects an area on an original enclosed with a mark of specific color by the steps of scanning the original by a photosensor, judging whether the number of the mark segment detected by the photosensor in a single scan line is an ... | 07/08/1986 |
| 4557593 | Focus and magnification determining and control device for variable magnification type copying machine A variable magnification type copying machine has a zoom lens disposed between a platen and a photosensitive surface, the zoom lens being composed of a plurality of movable lenses. A chart located on the platen in a position not to interfere with the plac... | 12/10/1985 |
| 4365891 | Copy camera focusing A copy camera has a lens board positioned by a lens lead screw and a copyboard positioned by a copyboard lead screw. A ratio-selecting knob rotates the shaft of a lens counter that is connected by a flexible coupling to spur gears that rotate the lens fee... | 12/28/1982 |
| 4143961 | Electrophotographic duplication apparatus In an electrophotographic apparatus, an image transmission system which is provided with a focusing light path, a duplication light path and a magnifying mechanism moves toward an original laying unit by scanning the image of an original section by sectio... | 03/13/1979 |
| 4105327 | Multiple reduction indicators for continuously variable reduction copier machines A continuously variable reduction optical system for document copiers wherein a plurality of sets of reduction indicators are provided, each set corresponding to a particular size copy paper. Each set of indicators can be moved by the operator to frame th... | 08/08/1978 |
