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Patent No. 5307162

Cloaking System Using Optoelectronically Controlled Camouflage

A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.

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Class 318/501 - By shunting armature or primary winding


Subclass of Class 318 - Electricity: motive power systems
Definition: Subject matter in which means are provided for shunting
No. of patents: 12
Last issue date: 03/20/2007


NumberTitleIssue Date
7193378Wye switch inverter for electric and hybrid vehicles
A circuit for controlling a multi-phase machine having a stator with stator windings includes a controller, primary commutation switch pairs, a neutral terminal, and commutation control switches. Each switch pair includes first and second primary commutation switche...
03/20/2007
7187151Conveyor unit, controller for a driving roller for use in the conveyor unit, and zone controlled conveyor system incorporating the conveyor unit
A conveyor unit (2) including a driving roller (5), a motor (30) for powering the driving roller (5), and a controller (10) adapted to adjust the motor (30) so as to control the driving roller (5), the motor (30
03/06/2007
6998804Electric motor with electronic brake
A retarded electric motor designed as a series motor or an asynchronous motor having a squirrel cage rotor. A valve is provided for switching between motor operation and braking operation. During motor operation the motor is operated in a known configuration as seri...
02/14/2006
6781332Rotary electric apparatus for vehicle
An on-vehicle rotary electric apparatus, such as an on-vehicle generator, is provided. The apparatus comprises a stator having multi-phase windings, a rotor driven to rotate by either an on-vehicle motor or the running drive shaft of a vehicle, and a driving member ...
08/24/2004
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
5703451Motor driving circuit
Between one end of a motor coil and the ground, a drive transistor is connected. When the drive transistor is turned off, and in particular at the moment when a current flowing through the motor coil drops to zero, a back electromotive force is induced at...
12/30/1997
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
5325033Circuit arrangement for influencing the start-up and/or braking behavior of three-phase A.C. non-synchronous motors
In a circuit arrangement for influencing the start-up and/or braking behavior of three-phase a.c. non-synchronous motors having phase windings (5, 6, 7), which are connected in star for continuous operation and have terminals for the phase conductors (1, ...
06/28/1994
5216343Motor construction and method for limiting spin-up time in a hard disk drive
A hard disk drive having a plurality of disks mounted on the rotor of a current limited, electronically commutated dc motor. Windings on the stator of the motor are divided into serially connected run and start sections and first and seconds drive circuit...
06/01/1993
5138242Inverse electromotive force eliminating device for motor utilizing MOS-FET
This invention relates to an inverse electromotive force eliminating device which protects a motor controller of a motor utilizing a MOS-FET by effectively eliminating the inverse electromotive force generated in a process for accelerating and deceleratin...
08/11/1992
3962617Current limiting impedance network for dryer control
A current limiting impedance network for a dryer control in which a controlled conduction device, such as an SCR, is connected to shunt an AC motor to selectively prevent operation of the motor, in which a current limiting, power dissipating resistor is r...
06/08/1976
 
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