Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 4054782 | Device for counting and calculating A device is described for obtaining counting and calculating stereological data. The device includes a number of separate counters each of which can be used to accumulate the numerical value of a point count or intersect count made using a test system typ... | 10/18/1977 |
| 4017680 | Methods and apparatus involving light pen interaction with a real time display Improvements and modifications are described to an image analyzing system in which an image of a field under analysis is displayed on a television monitor screen and features can be edited by adding or subtracting feature content to or from the display (a... | 04/12/1977 |
| 3946361 | Image analysis An image analysis system is described in which the video signal information is processed so that only the measurements on any one feature are delivered to the output during any one frame scan. In a modification, the function of the computing circuit performing... | 03/23/1976 |
| 3940557 | Subtractive image analysis A method and apparatus is described for performing controlled erosion of electrical signals relating to detected features in an image which is scanned. The erosion is performed by counting (in an up or down counter) n timing pulses in each sequence corres... | 02/24/1976 |
