Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 5267093 | Video recorder having phase-displaced video recording channels A video recorder for recording and reproducing video signals having a bandwidth with a limited upper transmission frequency, including HDTV signals. A recording signal processing circuit (14) with a first scanning circuit (10.1) for scanning the video sig... | 11/30/1993 |
| 5172187 | Method of determining the pretilt angle of liquid crystal molecules The invention concerns a method of determining the angle of attack (pretilt angle) of liquid crystal molecules in a liquid crystal display (LCD) provided with top and bottom cover plates. The following steps are proposed for a simple and cheap determinati... | 12/15/1992 |
| 5164697 | Input keyboard for an electronic appliance in entertainment electronics An input keyboard (1) contains a switching device (3) for pushbuttons (22) wherein the contact linings (11.1, 11.2) on a printed circuit board (10) are bridged by a countercontact (16) operated by the pushbutton (22). The countercontact (16) consists of a... | 11/17/1992 |
| 5120623 | Method of producing a substrate plate for a liquid crystal cell with black matrix areas A method of producing a substrate plate for a liquid crystal cell with black matrix areas in which blackened polymer material is already deposited before the structured areas of photosensitive resist overlying the structured electrode areas are removed. R... | 06/09/1992 |
| 5108332 | Method of manufacturing a liquid-crystal cell A method of introducing the liquid crystal into a liquid-crystal cell is disclosed in which the liquid-crystal material is cooled to the solid state, ground to a grain size less than 50 micrometers, and subsequently sprinkled into the space formed by the ... | 04/28/1992 |
| 5102685 | Method and jig for LCD-production In a process for applying orientation layers to cell plates (11.o, 11.u), the cell plates are arranged in relation to a centrifuge rotational axis (14) so that the plate planes lie parallel to the rotational axis. The centrifugal forces then act over the ... | 04/07/1992 |
| 5094642 | Method of manufacturing a control subassembly for flat display devices For a flat display device, a control subassembly is needed which consists of two control plates (1;7) each formed by a layer of parallel conductors (2;8) which are isolated from each other. During the manufacture of the control subassembly, the first cont... | 03/10/1992 |
