Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 4169758 | Nuclear reactor vessel inspection apparatus Apparatus for the in situ inspection of a nuclear reactor vessel to detect the location and character of flaws in the walls of the vessel, in the welds joining the various sections of the vessel, in the welds joining attachments such as nozzles, elbows an... | 10/02/1979 |
| 4149429 | Adjustable gear assembly An adjustable gear train is disclosed wherein play in a train of intermeshing bevel gears is accommodated by forming one of the gears of two radially separated coaxial parts which are axially movable with respect to one another, one of the parts being gea... | 04/17/1979 |
| 4146924 | System for visually determining position in space and/or orientation in space and apparatus employing same Visual system for determining position in space and/or orientation in three-dimensional space for purposes, for example, of directing or instructing an industrial robot to perform manipulative acts and apparatus employing the visual system. The system inc... | 03/27/1979 |
| 4110736 | Shape recognition system An apparatus for separating the signals of an internal shape from the signals of an external shape for use in a shape recognition system.... | 08/29/1978 |
| 4105925 | Optical object locator In order to determine the position and orientation of an object on a conveyor, two planes of light intersect at a single transverse line on the conveyor surface, the planes of light each being at an acute angle to the conveyor. A linear diode array aligne... | 08/08/1978 |
| 4081669 | Recognition system for class II robots A recognition system for robots is responsive to encoded information from a plurality of sources for enabling a robot to recognize and identify the sources. A receiver located on the robot detects incoming signals and decodes them. The decoded signal is c... | 03/28/1978 |
| 4047025 | Position indicating system and methods An apparatus and method are provided for indicating the location of a device such as a machine tool component or an inspection probe so as to permit the automatic control thereof or the derivation of information defining its position for automatically mea... | 09/06/1977 |
| 4044377 | Video target locator A closed circuit TV camera with a fixed focus lens, is used to measure the vertical displacement from and longitudinal distance from an industrial robot arm to checkered-row target pattern, i.e., a row of alternate black and white squares. The pattern is ... | 08/23/1977 |
| 4017721 | Method and apparatus for determining the position of a body A system for generating electrical signals relating to the position and orientation of a part supported on a reference surface for use by manipulating devices includes an image converter tube which receives the light information from a test part and the s... | 04/12/1977 |
| 3976382 | Procedure and apparatus for determining the geometrical shape of a surface A procedure and an apparatus for obtaining information regarding the geometry of surfaces, for example on work pieces in mechanical industry. The procedure is based on casting a shadow on the surface by partially shielding incident light or other types of radi... | 08/24/1976 |
| 3973685 | Photoelectric sensing apparatus for pallet storage systems A photoelectric sensing apparatus for a pallet carrying robot vehicle is disclosed. The sensing apparatus includes a plurality of photoelectric sensors mounted on the robot vehicle for sensing the location of stored pallets mounted on storage rails in ord... | 08/10/1976 |
| 3972733 | Method for producing electrical energy by means of liquid crystal devices Method for producing electrical energy by means of a liquid crystal device having opposite electrode plates between which a liquid crystal is inserted and at least one of which is transparent. The opposite electrode plates include asymmetrical electrodes ... | 08/03/1976 |
| 3958682 | Coordination of robot and conveyor An endless chain is caused to become locked to and driven by a work-carrier forming part of a conveyor. The chain drives a signal generator whose output represents the advance of the work-carrier past a robot and the generated signal is combined with prog... | 05/25/1976 |
| 3936195 | Device for determining the position of a structural element The invention is related to a device for determining the position of a structural element to which is affixed a scale composed of regularly spaced markings which are optically cast onto a line scanner containing regularly spaced photosensitive elements, t... | 02/03/1976 |
