Quotables
"To place a man in a multi-stage rocket and project him into the controlling gravitational field of the moon where the passengers can make scientific observations, perhaps land alive, and then return to earth--all that constitutes a wild dream worthy of Jules Verne. I am bold enough to say that such a man-made voyage will never occur regardless of all future advances."
Lee deForest, American radio pioneer ; 1957
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| Number | Title | Issue Date |
| 4197011 | Defect detection and plotting system Defect detection apparatus provides a moving light beam which illuminates the surface of a rotating grooved disc with a light spot spanning a plurality of convolutions of the groove. The beam is translated to rapidly scan the grooved surfaces in a radial ... | 04/08/1980 |
| 4162126 | Surface detect test apparatus Apparatus and method for testing surface defect on an object are disclosed, which comprise an illumination means for illuminating collimated lights onto a surface of the object obliquely to the surface and from two symmetrical directions, a sensor compose... | 07/24/1979 |
| 4099051 | Inspection apparatus employing a circular scan The disclosure is directed to an apparatus for inspecting the surface of an object at an inspection position. In accordance with an embodiment of the invention, source means are provided for generating a relatively narrow collimated beam of radiation, the... | 07/04/1978 |
| 4095905 | Surface-defect detecting device A surface-defect detecting device including: illuminating means for illuminating a minute peripheral or annular zone on the surface of a material to be inspected, such as the circumferential surface of a cylindrical body; at least a pair of reflecting mir... | 06/20/1978 |
| 4030830 | Process and apparatus for sensing defects on a smooth surface Method and apparatus for sensing the effective magnitude and/or number and/or position of individual depression and/or protrusion defects on a high-precision smooth surface of an article which may have said defects randomly distributed and relatively spat... | 06/21/1977 |
| 4028728 | Method of and video system for identifying different light-reflective surface areas on articles Article surface defect detection methods and closed-circuit video systems for use therewith are disclosed for discriminating between different types of light-reflective surface areas on articles. Such methods and systems are particularly adapted to ascert... | 06/07/1977 |
| 3984189 | Method and apparatus for detecting defects in a surface regardless of surface finish A method and apparatus for detecting a flaw, color shading, or the like on the surface of a running object and for producing an electrical signal in response thereto by optically scanning such surface, characterized in that there is provided not only a ph... | 10/05/1976 |
| 3958940 | Method for the removal of penetrant An improvement in the method of inspecting a test piece for surface flaws in which an oily based dyed penetrant is applied to the test piece and subsequently the test piece is treated with an emulsifying agent to remove excess penetrant from its surface. ... | 05/25/1976 |
| 3956636 | Method and apparatus for inspecting and sorting buttons The present invention provides a method and apparatus for inspecting and sorting buttons and the like. The inspection means includes a main chamber having a first aperture opening with a diameter substantially equal to the diameter of the buttons to be in... | 05/11/1976 |
| 3935468 | Light responsive detector A film inspection apparatus is provided for detecting changes in surface profile of film, e.g., edge breaks sprocket hole tears, poor splices, etc. The film inspection apparatus includes a device mounted above a sapphire film support and having a pair of ... | 01/27/1976 |
