Quotables
"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 6907124 | Optical encryption and decryption method and system The invention relates to securing of information utilising optical imaging technologies and more specifically to phase encryption and decryption of images. An image is encrypted into a mask having a plurality of mask resolution elements (Xm, Ym... | 06/14/2005 |
| 5055851 | Vehicle location system A system for determining a location of a selected vehicle from which an alarm signal is generated which includes a fixed array of cellular sites each site having a wireless signal detecting and generating units each of which is capable of receiving an inp... | 10/08/1991 |
| 5024495 | Computer software protection, by optical effects This apparatus and method protects software from unauthorized distribution and use, by utilizing the fact that holograms and other optical effects-producing media are extremely difficult to copy. A hologram, series of holograms, or other optical media, ar... | 06/18/1991 |
| 4972477 | Encoder/decoder The encoder/decoder comprises a spherical body on which is provided a plurality of different letters and/or numerals. Connecting means in the form of three circular members sharing the same axis encompass the sphere, two defining two parallel sighting hoo... | 11/20/1990 |
| 4560164 | Toy puzzle In a tubular toy puzzle, the object is to manipulate indicia on rotatable rings to achieve a desired arrangement of the indicia. Manipulation occurs by rotating a drive mechanism connected with a combination of the rings. Axial repositioning of a drive sh... | 12/24/1985 |
