The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 22, 1992
Filed:
Jun. 17, 1991
Nobuo Shimomura, Nagoya, JP;
Kabushiki Kaisha Toshiba, Kanagawa, JP;
Abstract
An electric cooking appliance includes a heater lamp such as a halogen lamp, a top plate on which a cooking pan is placed, the top plate being disposed over the heater lamp, a thermostat sensing an ambient temperature of the heater lamps, and a microcomputer serving to output an controlled output value command for controlling an output of the heater lamp and to control the output of the heater lamp so that the output of the heater lamp is gradually decreased based on the controlled output value command every time the temperature sensed by the thermostat takes a predetermined value or more. The microcomputer further serves to determine a degree of heat absorptivity of the cooking pan in accordance with the controlled output value command in the condition that the cooking pan is placed on the top plate, thereby determining whether or not the cooking pan is suitable for the cooking. The result of determination of the microcomputer is displayed on a display. The controlled output value command takes either a value obtained a predetermined period of time after initiation of energization of the heater lamp or a value obtained when the control of gradually decreasing the output of the heater lamp is interrupted for a predetermined period of time or more.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile