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Patent No. 5205055

Pneumatic Shoe Lacing Apparatus

This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.

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Class 388/843 - Field control, or field and armature control


Subclass of Class 388 - Electricity: motor control systems
Definition: Subject matter in which regulation of the acceleration of
No. of patents: 11
Last issue date: 09/18/2007


NumberTitleIssue Date
7272302PSC motor system for use in HVAC applications with field adjustment and fail-safe capabilities
A field-adjustable motor control system includes a motor, an inverter coupled to provide energization to the motor, a controller coupled to the inverter, and a field adjustment circuit that provides field adjustment signals to the controller. The controller provides...
09/18/2007
7230399Vehicular generator-motor system
A vehicular generator-motor 1 is composed of a rotor, a stator having three phase armature winding 2, and a converter 4. The rotor is provided with a field winding 3 for magnetizing a plurality of magnetic pole pieces 14a...
06/12/2007
5905348Powering and control of a brushless DC motor
A brushless and sensorless DC motor control assembly powers a low torque to inertia ratio device such as a gyroscope or centrifuge. The assembly includes a brushless and sensorless DC motor including a rotor and three phase coils, a motor control integrat...
05/18/1999
5814958Method and apparatus for the electronic control of electric motor driven golf car
A system is provided for controlling a DC motor which is constructed to propel a golf car. The motor is a shunt wound motor having independently excited armature and field windings. The basic input to the armature of the motor is supplied through a pulse ...
09/29/1998
5793175Performance event sensing for control of electric motor driven golf car
A system is provided for controlling a D-C motor which is constructed to propel a golf car. The motor is controlled to provide performance according to a predetermined field current map which calls for a particular performance response to specified perfor...
08/11/1998
5642023Method and apparatus for the electronic control of electric motor driven golf car
A system is provided for controlling a DC motor which is constructed to propel a golf car. The motor is a shunt wound motor having independently excited armature and field windings. The basic input to the armature of the motor is supplied through a pulse ...
06/24/1997
5014336Motor control
In a shunt wound d.c. motor for driving centrifuges, an apparatus for obtaining smooth acceleration by regulating the bottom speed range in accordance to a preset slope current and then accelerating the armature current with full excitation. Smooth brakin...
05/07/1991
4300079DC Motor control system
A DC motor control system which has means for detecting the rise and fall of a drive command signal to generate an ON ACCELERATION/DECELERATION signal and means for generating a current limit signal for driving a DC motor by the ON ACCELERATION/DECELERATI...
11/10/1981
4238716Miniature vehicle dispenser spin-up speed control system
A precision motor speed control system where a reference generator produces pulses for each revolution of a dispenser shaft, the time between pulses is measured and compared to a preselected standard, a time greater than standard will generate a pulse cau...
12/09/1980
4224558Selectable servo ratio and dual speed control system for large centrifuge units
A selectable servo ratio and dual speed centrifuge control apparatus utilizing a plurality of phase-lock loops with selected gain increments to provide motor control from coarse to fine in conjunction with an automatic acceleration and deceleration circui...
09/23/1980
4107586Control system for a compound DC electric motor
A control system for a compound DC electric motor includes a shunt field winding connected in parallel with a series field winding, with both windings being connected to a power source. A time delay is positioned between the series field winding and the p...
08/15/1978
 
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