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Pneumatic Shoe Lacing Apparatus
This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.
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| Number | Title | Issue Date |
| 4176295 | High peak power microwave generator using light activated switches A high peak power microwave generator is disclosed in which a plurality of transmission lines are connected to an output wave guide at predetermined intervals along the direction of propagation. Each transmission line is periodically charged, and this ele... | 11/27/1979 |
| 4156853 | Active filter for providing improved notch and band pass filters An active filter is disclosed for providing improved notch and band pass filters. The output to input frequency response of an active filter is mathematically expressed as a ratio of two polynominals in the Laplace operator S. In any notch filter, the coe... | 05/29/1979 |
| 4152632 | D.C. motor speed control apparatus having both armature current rate control and zero current deadtime optimized A speed control system is disclosed for a direct current motor drive energized by a thyristor armature supply. Voltage regulation for the thyristor supply is through a parallel current controller in which an armature current controller is arranged in para... | 05/01/1979 |
| 4120014 | Dividing timer This disclosure relates to a timer for subdividing a finite time interval into a number of periods. An operational amplifier is connected as an integrator with a capacitor in its feedback path. An adjustable resistance network, enabling the selection of a... | 10/10/1978 |
| 4113042 | Manual control handle for electric vehicle The disclosure relates to a manual control handle for an electrically powered utility vehicle. The handle provides three functions for the vehicle: steering guidance, speed selection and directional control (forward or reverse). These functions are so des... | 09/12/1978 |
| 4096344 | Electric arc furnace control system This disclosure relates to an electric arc furnace control system for positionally displacing the consumable furnace electrodes. Each electrode is coupled to an electric motor and arranged for vertical height displacement in relation to the material in th... | 06/20/1978 |
| 4047080 | Common bus parallel speed regulator system This disclosure relates to a parallel speed regulator system for a plurality of d.c. motors operated on a common bus having a single armature electrical supply. The speed control, current limiting, and field current controllers for each motor are arranged... | 09/06/1977 |
| 4011743 | Stand speed reference circuit for a continuous tandem rolling mill A stand speed reference circuit is disclosed for providing speed reference signals to each of a plurality of selected stands in a continuous tandem rolling mill. U.s. pat. No. 3,852,983 to Cook for "Work Strip Gauge Change During Rolling in a Tandem Rolli... | 03/15/1977 |
| 4000448 | Control system for sensing the air gap between a cutting tool and a work piece A system for sensing the air gap between a cutting tool and a work piece mounted on a machine for the purpose of controlling the traverse feed rate of the machine as contiguity approaches. A drive coil is mounted on the machine. A search coil surrounds th... | 12/28/1976 |
| 3983466 | Motor field control for d.c. drives A motor field control for d.c. drives, for regulating the speed in response to an input reference signal Ein. A first operational amplifier is arranged as a ramp generator to receive the input command Ein and deliver an output E... | 09/28/1976 |
| 3979080 | Analog automatic slowdown system An analog automatic slowdown control system is described for determining the optimum instant of time to initiate slowdown, for a process line in which a coil of material is being unwound from a mandrel at a linear speed. Using the intelligence derived fro... | 09/07/1976 |
| 3959698 | Speed control system for a coiler drive motor A speed control system is disclosed for driving a motor at ω radians per second for the purpose of rolling material in a hollow cylindrical form with preselected outside and inside diameter OD and ID respectively. The material to be rolled is fed to the ... | 05/25/1976 |
| 3939330 | Vector conversion system A vector conversion system for a numerical contouring control having a programmed machine path with at least two axial displacements ƊX,ƊY, with a given cutter radius RCRAD. Master vector and slave vector computers are provided and arranged to operate i... | 02/17/1976 |
