"Radio has no future."
Lord Kelvin, British mathematician and physicist ; 1897
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| Number | Title | Issue Date |
| 5253296 | System for resisting interception of information A time segment scrambling information encoding and decoding system wherein a multiplicity of scrambling algorithms are stored in a memory such as a ROM for use during transmission via a chosen medium and a multiplicity of correlated unscrambling algorithm... | 10/12/1993 |
| 4412610 | Meat cooking apparatus and method Cooking apparatus and method for preparing meats to suit individual tastes of different consumers. The meat is subjected to electric current heating to cook the meat and to radiant broiling to char its surface. The cooking current passing through the meat... | 11/01/1983 |
| 4304488 | Blood oxygen analyzer A method and system for measuring the oxygen carrying capacity of normal and abnormal hemoglobins and red cells under controlled pH, ionic strength, temperature and gas conditions is described. A blood sample and a physiologically balanced medium are plac... | 12/08/1981 |
| 4244284 | Meat cooking apparatus Cooking apparatus for preparing meats to suit individual tastes of different consumers. The meat is subjected to electric current heating to cook the meat and to radiant broiling to char its surface. The cooking current passing through the meat is regulat... | 01/13/1981 |
| 4217087 | Isostatic apparatus for treating articles with heat and pressure A method of and apparatus for treating articles with heat and pressure is disclosed. Included in the apparatus is a furnace in which the articles are to be treated. The articles are placed in the furnace and, the furnace is evacuated, then filled with an ... | 08/12/1980 |
| 4154489 | Rate responsive control for magnetic suspension system Improved apparatus is disclosed for use in a magnetic suspension system for developing signals representative of the rate of displacement of a magnetically suspended body along one or more axes thereof for use in applying forces to the body to restore it ... | 05/15/1979 |
| 4147396 | High speed rotor system A magnetically suspended rotor system is provided capable of operating at rotational speeds of 100,000 rpm or greater. The system comprises a rotor assembly and electric motor means for producing rotation of the assembly about an axis thereof. Electromagn... | 04/03/1979 |
| 4125335 | Agitator system An efficient agitator system capable of high speed agitation without excessive vibration is provided by use of an inclined-axis portion on a motor drive shaft and providing a driven oscillatory member coupled thereto with high speed bearing means and arra... | 11/14/1978 |
| 4122610 | Cutting gauge or guide A unitary cutting guide or gauge is provided for engaging the lower blade of a pair of shears and establishing any one of several pre-selected widths of cut, the gauge having a series of perforations at selected distances from the cloth edge guide portion... | 10/31/1978 |
| 4070912 | Temperature indicating compositions and devices Polymeric mixtures of a cholesterol material and a monomer are disclosed which can advantageously be utilized for the construction of temperature indicating devices. Each polymeric composition exhibits a color at temperatures below a fixed threshold tempe... | 01/31/1978 |
| 4043614 | Magnetic suspension apparatus A magnetic suspension system for efficiently supporting a rotor of relatively large radius and high available moment of inertia includes concentric stator and rotor elements spaced apart by narrow gaps of relatively large diameter and very small axial ext... | 08/23/1977 |
| 3957505 | Gold reclamation process Gold is recovered from gold bearing materials by dissolving gold in an iodide-iodine solution, precipitating gold with a reducing solution, removing the precipitated gold and then regenerating the iodide-iodine solution with an oxidizing agent.... | 05/18/1976 |
| 3952602 | Rotor balancing apparatus and system Rotor balancing apparatus and a system comprising balance probes for measuring unbalance at the ends of a magnetically suspended rotor are disclosed. Each balance probe comprises a photocell which is located in relationship to the magnetically suspended r... | 04/27/1976 |
| 3937148 | Virtually zero power linear magnetic bearing A linear magnetic bearing provides magnetic support by means of permanent magnets and control by means of electromagnets and an electronic control system such that virtually zero power is required to maintain the bearing in suspension. Persisting net forc... | 02/10/1976 |