skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Power and time controlled high frequency heating appliance

Patent ·
OSTI ID:6779960

A high frequency heating apparatus is described comprising a heating compartment to keep food to be heated, a high frequency oscillator for heating the food by radiating high frequency waves into the heating compartment, a control circuit unit possessing a program function and containing a microcomputer for controlling an output of high frequency oscillator. It also comprises selection keys for selecting a major classification of the food and for feeding this classification information into the control circuit unit and a weight key for feeding the weight of the food into the control circuit unit. The control circuit unit includes a determination means for determining a minor classification of the food based on the major classification of the food from the selection keys and the weight of the food from the weight key and also includes a setting means for setting the output of the waves from the oscillator and a heating time T based on the minor classification from the determination means and the weight from the weight key. The heating time T is determined from the following formula, assuming that the constants set in accordance with the minor classification from the determination means are a and b and the weight of the food is W: T=a+bW.

Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka
Patent Number(s):
US 4629848
OSTI ID:
6779960
Resource Relation:
Patent File Date: Filed date 30 Apr 1982
Country of Publication:
United States
Language:
English