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Class 99/325 - Automatic control


Subclass of Class 99 - Foods and beverages: apparatus
Definition: Cooking apparatus provided with means to initiate, maintain
No. of patents: 374
Last issue date: 12/16/2008


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NumberTitleIssue Date
4647746Microwave ovens and methods of cooking food
A microwave oven has a magnetron for supplying microwave power to a cavity of the oven, and an electrical resistance heating element over which air is blown by a fan to provide a forced flow of hot air through the cavity. The variation in hot air temperat...
03/03/1987
4629852Regulator circuit for control of heat output of a heating element
A regulator circuit for controlling the heat output of a heating element adapted to be switched on and off by a semiconductor switch energized by a zero crossing switch having cycle group control, whereby a sensor signal derived from the sensed temperatur...
12/16/1986
4629848Power and time controlled high frequency heating appliance
A high frequency heating appliance has a control circuit including a microcomputer wherein the number of input keys for entering the kind of heating load as well as the capacity of a ROM in the microcomputer are minimized by establishing a series of weigh...
12/16/1986
4629850Heating apparatus having a selectively movable heater
A heating apparatus includes a selectively movable heater for heating an object, a detection circuit for detecting the position of the heater, a memory for storing a signal from the detecting circuit, a control circuit for controlling the input and the ou...
12/16/1986
4627335Apparatus for cooking food
An apparatus for cooking food includes two solid plates which subject an initial food material to high heat and pressure, and the pressure is adjusted in dependence upon the nature of the initial food material by an adjusting device....
12/09/1986
4625086Cooking apparatus capable of displaying the ratio of elapsed cooking time to pre-set time
A cooking apparatus has a heating chamber having a plurality of heating functions so as to cook food in accordance with a plurality of cooking modes, cooking information settings for setting at least one of the cooking modes and cooking information includ...
11/25/1986
4600826Heating time control means for a heating appliance
By intermittently starting and stopping a timer motor of a timer which is a heating time setting device by means of an intermittent switch to turn on and off the power source, two speeds are obtained, and one timer may be used to set both a long time and ...
07/15/1986
4599503Microwave oven having low-energy defrost and high-energy cooking modes
A microwave oven comprises a weight detector for detecting the weight of a foodstuff to be heated, a condition detector for detecting a substance emitted from the food as a result of heating, and a control unit that responds to the output of the weight de...
07/08/1986
4595827Cooking apparatus with weighing device
A cooking apparatus includes a rotary table which is disposed inside a heating chamber such as to mount a food to be heated, and a motor which rotates the rotary table. The rotary table and the motor are integrally supported in a floating state by a resil...
06/17/1986
4591684Cooking completion detection in a cooking appliance
A cooking appliance in which food stored in a heating chamber is cooked by heating includes a detecting sensor for detecting completion of food to be cooked, a food weight measuring device for measuring weight of food to be cooked stored in the heating ch...
05/27/1986
4590350Automatic heating apparatus employing weight and gas sensors
A heating apparatus comprising a gas sensor for detecting gas or steam emanated from an object to be heated, and a weight sensor for detecting the weight of the object including its container. The heating time calculated on the basis of the detected weigh...
05/20/1986
4587393Heating apparatus having a sensor for terminating operation
Foodstuff is heated in a chamber ventilated by a fan through an exhaust duct. The duct has a sufficiently long airflow passage to produce a substantially laminar flow therein. An opening at an intermediate position along the duct length faces in a directi...
05/06/1986
4582971Automatic high-frequency heating apparatus
An automatic high-frequency heating apparatus of a composite type which comprises a heat source such as an electric heater or a gas burner for heating food by heat radiation or convection and a microwave source such as a magnetron for effecting microwave ...
04/15/1986
4572935Cooking apparatus having an initial temperature setting function
A cooking apparatus comprising a cooking apparatus housing having a heating chamber which allows an oven-cooking mode by the operation of a heater, and a temperature sensor for detecting the temperature inside the heating chamber, a first control section ...
02/25/1986
4553011Temperature control for microwave oven
In a microwave oven in which microwave heating is controlled by the output value of a temperature sensor, a microcomputer is provided to control the microwave heating in such a manner that the microwave heating is continued until the output value of the t...
11/12/1985
4533809Microwave ovens and methods of cooking food
A microwave oven delivers microwave power to the oven cavity simultaneously with thermal power provided by a circulation of hot air forced through the cavity by a fan. A temperature sensor in the cavity and timing means monitor the temperature/time variat...
08/06/1985
4525615Method for microwave defrosting
A method for defrosting in a microwave oven wherein maximum or 100 percent power is applied until the surface temperature of the food reaches 110° F. and the the power is reduced to a level which holds the surface at 110° F. until the food is defrosted....
06/25/1985
4520250Heating apparatus of thawing sensor controlled type
Many frozen foods are now sold on the market and also produced by household refrigerators, and most of these frozen foods are eaten after thawing or after cooking under heat subsequent to thawing. The importance of thawing is thus increasing more and more...
05/28/1985
4520251Method for operating a programmable microwave heating apparatus with food defrosting control
A high frequency heating appliance which is capable of defrosting frozen food through the utilization of high frequency energy is provided with the facility of defrosting food quickly and satisfactorily in a state substantially similar to natural defrosti...
05/28/1985
4517429Electronic controlled heat cooking apparatus and method of controlling thereof
A microwave oven with a microprocessor and a read only memory for storing a plurality of cooking programs corresponding to a plurality of recipes. The cooking program corresponding to each recipe comprises data concerning a heating energy intensity and a ...
05/14/1985
4513189Heating apparatus having voice command control operative in a conversational processing manner
An oven that is controllable by a conversational style voice interaction with a user. It includes voice recognition system for listening to the user and a speech synthesizer for talking to the user. Operation occurs initially in a first voice recognition ...
04/23/1985
4508948Microwave cooking method
A method for controlling a microwave oven with a microcomputer wherein a first time period corresponding to the time required to raise the temperature of a weighed food body from refrigerator temperature to room temperature and a second time period corres...
04/02/1985
4506142Voice actuated heating apparatus
A heating apparatus, such as an electric oven or an electronic oven including a voice recognition part which recognizes voice command of the user and produces a recognition code by receiving the voice command and performs operation by the voice command. H...
03/19/1985
4499357Electronically controlled cooking apparatus
An electronically controlled cooking apparatus including a heating source for heating an article to be heated, an infrared sensor for detecting temperature of the article and a control member for controlling drive of the heating source. The control member...
02/12/1985
4488025Combined high-frequency and thermal heating oven
An oven comprises a chamber, a support for a foodstuff within the chamber, a high frequency electromagnetic wave heating device, a second heating device within the chamber for heating food by application of thermal energy, the second heating device being ...
12/11/1984
4488026Microwave oven with automatic cooking performance having additional heating process
In an automated microwave oven, a gas sensor is provided within a passageway for air leaving the heating chamber. In addition to a switching circuit for controlling an enabling circuit for a microwave source such as a magnetron, a cook switch is provided ...
12/11/1984
4484050Electric cooking oven having a temperature sensing device with output compensation
An electric cooking oven for use a normal cooking mode and defrost mode is provided which comprises a detector for detecting a temperature of a food body during cooking thereof, the detector comprising a thermistor which detachably attached to the food bo...
11/20/1984
4459449Cooking apparatus with menu display
Disclosed is a cooking apparatus having operating keys for selecting a cooking menu, a display device having a number of display cards each inscribed with a cooking menu, and a rotatable member having the display cards swingingly secured along its periphe...
07/10/1984
4455480Rice cooker-warmer
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 ...
06/19/1984
4453066Method and apparatus for thawing by high frequency heating
A method and an apparatus for thawing a frozen food by high frequency heating. The thawing process is divided into at least four stages of execution. A high frequency wave output is predetermined for each stage, and the execution time of each stage is aut...
06/05/1984
4441002Cook-by-weight microwave oven
A microprocessor controlled microwave oven having a scale for providing a signal corresponding to the weight of a food body in the cavity to the microprocessor. Through a control panel, the operator inputs a second signal corresponding to the initial temp...
04/03/1984
4425490Programmable electronic cooking apparatus
When a door of a microwave oven is opened during a programmed cooking operation, a door open monitoring circuit provides a door open signal to a microcomputer so that the microcomputer interrupts to execute the programmed cooking operation. A control circ...
01/10/1984
4415799Multi-function oven with control circuit for operation during fermentation of yeast containing product
This invention relates to a cooking appliance for heating a heating load (22) with a hot air as heated by a heater unit (17) and circulated in a heating chamber (2) by a fan unit (18). The temperature in the heating chamber (2) is detected by a temperatur...
11/15/1983
4413168Heating time coupling factor for microwave oven
A microprocessor controlled microwave oven having a scale for providing a signal corresponding to the weight of a food body in the cavity to a microprocessor which calculates the microwave exposure time period as a nonlinear function of the weight. Genera...
11/01/1983
4390768Cook-by-weight microwave oven
A microwave oven having four small holes in the floor of the cavity so that weight of food bodies within the cavity can be coupled by four nonconductive support columns protruding through the holes to a scale below the cavity. The scale may provide an ana...
06/28/1983
4383157Electronic controlled heat cooking apparatus and method of controlling thereof
An infrared radiation detector is provided for receiving an infrared radiation emitted from a material being cooked placed in a cooking chamber in a microwave oven. The microwave oven is provided with a keyboard, a digital display and a microcomputer, suc...
05/10/1983
4376131Method for controlling the heating of food stuff
A food heating method and apparatus are disclosed in which a heating time length suitable to the food to be cooked is determined by automatically detecting a change in humidity or concentration of the vapor or gas respectively liberated from the food. The...
03/08/1983
4367388Cooking heating apparatus
A cooking heating apparatus is provided in which an object to be heated is subject to char cooking, the apparatus having a detector circuit for detecting the charred condition by detecting the intensity of reflected visible light from the surface of the o...
01/04/1983
4363263Efficient high humidity food processing system with sanitizing improvements
Food products such as produce, fish, meat, and poultry are rapidly cooked and chilled in separate units through which a continuously running conveyor belt passes in a spiral pathway to converse cabinet space and produce energy efficient operation. Water i...
12/14/1982
4356370Apparatus for controlling electronic controlled cooking apparatus
A microwave oven comprises two microprocessors. One microprocessor is responsive to entry of the data from a keyboard to control an external storage and to provide the data concerning a cooking condition to the other microprocessor. The other microprocess...
10/26/1982
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