| Patent Number |
Title Of Patent |
Date Issued |
| 7402781 |
Induction heating cooler |
July 22, 2008 |
| An induction heating cooker includes an induction heating unit having an induction heating coil, a top plate made of a glass and mounted over the induction heating unit so that an object to be heated is placed on the top plate, and a light-emitting display section formed in the top plate |
| 5301522 |
Abnormal vibration detecting device for washing machine |
April 12, 1994 |
| An abnormal vibration detecting device for detecting abnormal vibration of a rotational tub of a washing machine includes first and second abnormal vibration detectors. The first abnormal vibration detector includes a detecting lever rotatively moved where it collides with the rotational |
| 5092140 |
Washing machine |
March 3, 1992 |
| A washing machine installed with a brushless motor for driving an agitator and an inner tub includes a storage device storing a data table representative of a plurality of preselected rotational speed values and values of voltage applied to the brushless motor driven at each preselec |
| 4934563 |
Automatic detergent dispenser apparatus having synchronous motor drive |
June 19, 1990 |
| A cleanser feeding mechanism has a cleanser housing portion, a cleanser feeding member for feeding a cleanser housed in the cleanser housing portion, and a synchronous motor for applying a drive force to the cleanser feeding member, and feeds an amount of cleanser corresponding to th |
| 4885456 |
Temperature controller |
December 5, 1989 |
| A temperature controller compares a temperature detection signal outputted from a temperature sensor with a set temperature preliminary set in a temperature setting circuit. According to a result of the comparison and before a zero-cross point of an AC voltage applied from a commercial A |
| 4862710 |
Washings weight detection and washing operation control system |
September 5, 1989 |
| A motor load detector detects an electrical value representing a rise characteristic of a motor, which varies in accordance with a load acting on the motor serving as a power source for a series of operations including a wash cycle and a spin-drying cycle executed by an electric wash |
| 4853605 |
Load state detecting apparatus of an induction motor for controlling the spin dryer of a washing |
August 1, 1989 |
| A load state detecting apparatus of an induction motor having two coils, the apparatus having a drive voltage supplying unit for supplying a drive voltage to the coils in the induction motor, a phase difference detecting unit for detecting a phase difference between the drive voltage sup |
| 4749836 |
Electromagnetic induction cooking apparatus capable of providing a substantially constant input |
June 7, 1988 |
| An electromagnetic induction cooking apparatus having a heating coil, an inverter for supplying an input power to the coil, and a load-identifying circuit. The coil comprises two coils elements. The first coil elements has a first number (N.sub.1) of turns, and the second coil element ha |
| 4738034 |
Drying machine |
April 19, 1988 |
| According to this invention, a drying machine includes detection electrodes arranged to face the interior of a drum constituting a drying chamber and to be capable of contacting clothes in the drum, a volume (weight)-of-clothes detecting circuit for detecting the volume of clothes ba |
| 4736082 |
Electromagnetic induction heating apparatus capable of preventing undesirable states of cooking |
April 5, 1988 |
| An object to be heated, such as a cooking utensil or vessel, is placed on a top plate. An inventer has a resonating circuit comprising an induction heating coil arranged below the top plate and a resonating capacitor connected to the coil, and a circuit for supplying high-frequency power |
| 4598195 |
Safety temperature circuit including zero crossing detector |
July 1, 1986 |
| A temperature control apparatus has a first comparator circuit for comparing the voltage corresponding to thermal data provided by a thermal sensor with a first reference voltage generated in synchronism with the zero crossings of an AC power source. The first comparator circuit gene |
| 4455480 |
Rice cooker-warmer |
June 19, 1984 |
| The output of a first bridge circuit including as one component element a thermistor for detecting the temperature of a pan is compared with a preset value in a first operational amplifier. The first operational amplifier provides a low level output when the detected temperature is b |
| 4372134 |
Washing machine |
February 8, 1983 |
| A water receiving tub of a washing machine is provided with a washing liquid transparency detector disposed in it at its bottom, and washing and rinsing operations are controlled according to the output signal from the detector. In the washing operation, the output signal of the detector |
| 4327502 |
Control device for a drying apparatus |
May 4, 1982 |
| There is provided a memory circuit whose storage voltage changes with an instantaneous detection voltage indicating the drying rate of part of clothes successively brought in contact with a pair of electrodes. The voltage of the memory circuit is compared with a clothes drying rate s |
| 4115677 |
Induction heating apparatus |
September 19, 1978 |
| An induction heating apparatus includes an inverter circuit, a plurality of output coils for induction heating, a coil selection circuit for selectively connecting the output coils to the output terminal of the inverter circuit, and a control circuit for driving the coil selection ci |
