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Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 8028549 | Control device for a washing machine A device and method for controlling a drainage pump of a washing machine. The drainage pump is powered by a synchronous motor that is connected to a mains voltage bus by a switch. During one or more stages of a washing program the switch is operated to apply in each... | 10/04/2011 |
| 7263735 | Washing machine control method and washing machine using the same A washing machine control method includes executing a dewatering step. The method accelerates a motor to rotate a drum according to a predetermined rate in response to the dewatering execution step. The method detects if the predetermined rate exceeds a first value ... | 09/04/2007 |
| 7251848 | Method for controlling dehydrating operation of drum type washing machine A method for controlling the dehydrating operation of a drum type washing machine includes a pre-acceleration step for accelerating a drum to a predetermined control starting speed, and a main accelerating step for accelerating the drum from the control starting spe... | 08/07/2007 |
| 7246397 | Method for controlling dehydrating operation of drum type washing machine A method for controlling the dehydrating operation of a drum type washing machine includes a pre-acceleration step for accelerating a drum to a predetermined control starting speed, and a main accelerating step for accelerating the drum from the control starting spe... | 07/24/2007 |
| 7146670 | Method of operating a laundry appliance drain pump A method of operating a drain pump in a laundry washing machine during the drain phase of the wash cycle to reduce pump blockages is disclosed. The method includes the steps of (a) starting the pump and running it for a first period of time to produce a discharge of... | 12/12/2006 |
| 7039976 | Braking control system for a washing machine An inner tub of a washing machine is rapidly braked during a portion of a deceleration phase following an extraction phase of an overall spin cycle. A controller establishes the braking operation over a critical speed band or resonant frequency zone during which exc... | 05/09/2006 |
| 7000436 | Appliance control system with hyperspin mode A power controller for an appliance, especially a washing machine, is operative to place the appliance into a hyperspin mode. When in the hyperspin mode, the washing machine rotates its washing basket at a higher speed in relation to a traditional spin mode for the ... | 02/21/2006 |
| 6951121 | Washing machine having floatage clutch The present invention relates a washing machine of direct drive pulsator manner that is directly connected to a motor. In this washing machine, the conversion of cleansing/dehydrating processes can be smoothly achieved by a floatage clutch capable of being actuated ... | 10/04/2005 |
| 6940252 | DC motor control method and apparatus A DC motor control method and apparatus for reducing time required for deceleration without degrading positioning accuracy. In a device which drives a mechanism by using a DC motor as a power source, in deceleration of the DC motor, when the mechanism arrives at a p... | 09/06/2005 |
| 6938627 | Dishwasher A dishwasher is provided such that an impurity-collecting filter collecting impurities is detachably mounted to a front of a cabinet, thus allowing the impurity-collecting filter to be easily cleaned, and keeping a bottom of a washing tub cleaner. The dishwasher inc... | 09/06/2005 |
| 6931891 | Washing machine with a drain pump The invention provides a washing machine (10) having a front panel (11), a tube (14) for containing articles to be washed, a water inlet (16) for admitting water to the tub, a water outlet (26) for discharging water from the tub ( | 08/23/2005 |
| 6931892 | Drainage control device for washing machines A drainage control device for washing machines is disclosed. This device controls the drain port, provided at the bottom of a washing tub, thus draining water from the washing tub in accordance with an operational mode of a washing machine. This drainage control dev... | 08/23/2005 |
| 6691359 | Washing machine and method of controlling the same A washing machine and a method of controlling the same by braking a spin-drying tub after interrupting the power of a motor for the spin-drying tub is disclosed. The washing machine comprises a mode selection unit for selecting a spin-drying mode, and a s... | 02/17/2004 |
| 6668599 | Washing machine The objective of the present invention is to provide a washing machine capable of removing earth/sand, waste thread, dust and the like stuck to the washing. In order to realize the objective, the washing machine is constituted so as to be operated as foll... | 12/30/2003 |
| 6363563 | User observation cycle for an automatic washer An automatic washer includes a control which allows the user to observe the operation of the washer under a set condition or conditions. When these conditions are met, the user may open the door or lid of the washer and observe, for a predetermined period... | 04/02/2002 |
| 6257027 | Full-automatic washing machine with two drive motors A full-automatic washing machine includes a rotatable tub for accommodating laundry together with water, an agitator provided in the rotatable tub for agitating the water or the laundry, a variable-speed washing motor for directly driving the agitator, an... | 07/10/2001 |
| 6240586 | Unbalance detecting device and method of washing machine An unbalance detecting method of a washing machine, wherein an unbalanced mass of a washing machine is accurately detected and classified according to input voltage variation when the unbalance is detected utilizing a ripple width of a current by a curren... | 06/05/2001 |
| 6151930 | Washing machine having a controllable field responsive damper A controllable medium device for resisting movement (rotary, linear, or sliding) between two relatively moveable members includes a first member and a second member coupled for relative movement having a working space between them, and a controllable medi... | 11/28/2000 |
| 6134925 | Washing machine A washing machine having a water supply valve 10 to supply water into a washing spin tank 2. The washing spin tank 2 is rotatably provided inside outer tank 1. The washing machine also has a motor 5, etc., and a controller to control the washing machine a... | 10/24/2000 |
| 6134926 | Accelerometer for optimizing speed of clothes washer A method and apparatus for optimizing the rotational speed of a washing machine tub to minimize washing machine vibration. The washing machine uses an accelerometer to sense machine vibration. A computer software program monitors, records, and compares ma... | 10/24/2000 |
| 6049930 | Washing machine and method of controlling the same A washing machine includes a rotatable tub in which an agitator is disposed. A tub shaft connected to the rotatable tub is mounted on a base for rotation. A clutch is mounted on the tub shaft to be reciprocally moved so that the clutch engages a clutch en... | 04/18/2000 |
| 6029300 | Spin extractor In an inventive spin extractor, a speed controller applies a constant voltage to a motor for starting a rotation of a drum. Since the torque on the drum is constant, the drum rotates at a low speed when the laundry is in the form of a large mass and the l... | 02/29/2000 |
| 5979194 | Motor speed control for washing machine A full-automatic washing machine with an electric motor for driving an agitator and a dehydration tub includes an inverter main circuit including a plurality of switching elements connected to windings of a plurality of phases of the motor respectively, a... | 11/09/1999 |
| 5937467 | Method and apparatus for braking a washing machine A method and apparatus for braking a washing machine, capable of enhancing a braking reliability and a braking efficiency by simultaneously or selectively applying a mechanical band brake and an electrical brake. In the washing machine, a shaft of a drivi... | 08/17/1999 |
| 5930855 | Accelerometer for optimizing speed of clothes washer A method and apparatus for optimizing the rotational speed of a washing machine tub to minimize washing machine vibration. The washing machine uses an accelerometer to sense machine vibration. A computer software program monitors, records, and compares ma... | 08/03/1999 |
| 5913952 | Method of braking a dehydrating vessel in a washing machine Disclosed is a method of braking a dehydrating vessel in a washing machine which uses a switched reluctance (SR) motor as a rotary power source of the dehydrating vessel, capable of minimizing a noise generated when stopping the SR motor. In a washing mac... | 06/22/1999 |
| 5890247 | Automatic washing machine incorporating a suds detection and control system A washing machine for automatically laundering articles of clothing by imparting mechanical actions upon the articles of clothing within a basket of the machine during a washing operation that includes a wash cycle and a preset number of rinse cycles inco... | 04/06/1999 |
| 5862553 | Dynamic balancing method for a washing machine A clothes washing machine is provided with an oscillating washing assembly including a rotating drum capable of being driven at various rotating speeds and provided with a plurality of annular hollow bodies secured to the drum. A plurality of moving masse... | 01/26/1999 |
| 5824114 | Control method for direct-coupled washing machine Disclosed is a direct-coupled washing machine and a control method thereof. The direct-coupled washing machine connects the rotation shaft of a switched reluctance washing motor to the rotation shafts of both a pulsator and a dehydration water tub. The di... | 10/20/1998 |
| 5813069 | Motor control method for automatic clothes washer A motor control method for an automatic washer having an electronically commutated motor (ECM) serving as a power source, the ECM being serially connected to a washing axle and a drying axle without decreasing a spinning rate of the ECM, includes the step... | 09/29/1998 |
| 5752397 | Unbalance prevention for an electromechanical machine An apparatus and method for preventing a load of clothing from becoming unbalanced during the spin cycle of a washing machine includes a control circuit which causes the washing machine to alternately spin and agitate during the spin cycle of the washing ... | 05/19/1998 |
| 5720065 | Direct drive discriminator mechanism A direct-drive washing machine has a drive system adapted for spinning a spin tub during a spin cycle and oscillating an agitator within the spin tub during an agitation cycle. The drive system includes a mounting plate secured to a splash tub, an electri... | 02/24/1998 |
| 5596889 | Laundry machine with reduced suds spin cycle A laundry machine with a reduced suds spin cycle includes a laundry basket to hold laundry which contains a liquid, typically a water/detergent solution. A tub surrounds the laundry basket. A circular drainage void is formed between the laundry basket and... | 01/28/1997 |
| 5577399 | Pressure sensor for appliance products A household appliance for washing articles with a cleansing liquid includes a cleansing chamber to receive the articles to be washed; a working fluid distribution system coupled to the cleansing chamber to transfer the cleansing liquid to and from the cha... | 11/26/1996 |
| 5402586 | Device for controlling drying period of time in a washing machine A device for controlling a drying period of time in a washing machine which can control drying of laundry with an optimum period of time, comprises a non-conductive pipe arranged to drain water extracted from laundry well, a transmission voltage generatin... | 04/04/1995 |
| 5361439 | Method and apparatus for spinning and draining automatic clothes washer A method and apparatus for spinning and draining an automatic clothes washer after a wash or rinse cycle. After the water is pumped down, the spin drive and drain pump are activated with an on and off schedule of increasing on times, but constant off time... | 11/08/1994 |
| 5353612 | Single-tub washing machine A single-tub washing and dehydrating machine includes a microcomputer control means which, when the drain hole is blocked with laundries to be dehydrated in a dehydrating process to cause reduction of pressure inside an air trap and thereby a reset water ... | 10/11/1994 |
| 5325677 | Electronic washer control including automatic balance, spin and brake operations A fabric washing machine includes a container to receive fabrics and washing fluid. An SRM is operatively connected to oscillate and rotate the container. Ribs formed on the center post of the container agitate the fabrics and fluid as the container is os... | 07/05/1994 |
| 5181398 | Dehydrator A dehydrator includes a dehydration basket for containing clothes to be dehydrated, a variable speed motor such as a dc brushless motor for driving the dehydration basket so that the basket is rotated for dehydrating the clothes, and a microcomputer-based... | 01/26/1993 |
| 5171435 | Dehydrator tub for clothes washing with controlled variable rotational speeds A dehydrator for use in washing clothes or the like includes a dehydration tub mounted in an outer cabinet, a brushless motor for rotating the dehydration tub for a dehydrating operation, and a microcomputer-based controller for controlling the rotational... | 12/15/1992 |
