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 |
| 7102317 | Method and apparatus to process an analog encoder signal A method and apparatus to process an analog encoder signal. The apparatus includes an analog encoder pattern generating unit, an analog encoder pattern storage unit, a digital/analog converting unit, a comparing unit, a recent state latch unit, a present state deter... | 09/05/2006 |
| 6525503 | Drive mechanism of scanner A drive mechanism for a scannerincludes a delivery device, a first rotational speed motor and a second rotational speed motor. The delivery device consists of an actuating wheel, a passive wheel and a conveyor belt. The conveyor belt is carried by the act... | 02/25/2003 |
| 6476575 | Method and system for adaptive control of turning operations An adaptive control system for adaptively controlling a turning operation performed at a work piece by a turning tool adjusts a controlled input operation parameter F to maintain an output operation parameter ƊM substantially at a predetermined value ƊM... | 11/05/2002 |
| 4804899 | Antenna rotator controllers and conversion systems therefor A conversion system for a controller for an antenna rotator which includes circuitry for generating an analog signal which varies as a function of the angular position of the antenna. The conversion system includes circuitry for converting the analog sign... | 02/14/1989 |
| 4397368 | Driving circuits of solenoid actuated devices In a solenoid actuated device for controlling the oil supplied to a power steering unit of a motor car, a driving circuit is provided to pass current through the solenoid. The driving circuit comprises a comparator supplied with an analogue control signal... | 08/09/1983 |
| 4363468 | Cutting torch height control apparatus An apparatus (10) for controlling the height of one or more cutting torches (12) above a workpiece (14). The apparatus (10) senses the actual height of the torch (12) above the workpiece (14) and compares the actual height with a desired reference height.... | 12/14/1982 |
| 4328049 | Torch height sensing apparatus A torch height sensing apparatus (10) is provided for generating information representative of the spacing between a cutting torch (12) and an associated workpiece (14). The apparatus (10) drives a preselected current from the torch (12) through the torch... | 05/04/1982 |
| 4128795 | Device for damping the critical frequencies of a rotor suspended by a radial electromagnetic bearing A device is disclosed for damping the critical frequencies of a rotor suspended by a radial electromagnetic bearing which has means associated therewith for detecting the radial position of the rotor, comprising a servo-circuit for connection between the ... | 12/05/1978 |
| 4117385 | Tracer control circuit A tracer control circuit for guiding a probe around a template comprising analog computers for calculating normalized values of x and y deflection signals and x and y velocity signals. The circuit comprises means for rotating the vector defined by the nor... | 09/26/1978 |
