JPS553580A - Food heater - Google Patents
Food heaterInfo
- Publication number
- JPS553580A JPS553580A JP7723078A JP7723078A JPS553580A JP S553580 A JPS553580 A JP S553580A JP 7723078 A JP7723078 A JP 7723078A JP 7723078 A JP7723078 A JP 7723078A JP S553580 A JPS553580 A JP S553580A
- Authority
- JP
- Japan
- Prior art keywords
- heating
- food
- temperature
- heat
- outside
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Control Of Resistance Heating (AREA)
- Control Of High-Frequency Heating Circuits (AREA)
- Electric Ovens (AREA)
Abstract
PURPOSE: To enable the selection of the order of rise in the temperature of the inside and outside of food, by switching on or off both or one of the positive and negative waves from heating units depending on the detection signals of the inside and outside temperatures of the food.
CONSTITUTION: An AC power source 1 is connected to the heating units. A door switch 3 is closed. An appropriate heating temperature T and an appropriate heat- retaining time t are indicated on a display unit 11. The order of scorching is selected. When a scorching switch 9-2 is pressed, information is read from a read-only memory of a microcomputer 7 to prepare for the energization of the heating units 4 in the order. When a heating start switch 9-1 is then pressed, an AC control element 2 is turned on by both the positive and negative waves of AC power to raise the surface temperature of the heating source unit 4 to start heating the outside of the food. When a scorching temperature TG is reached, the AC control element 2 is turned off through a turn-on/off circuit 17 to stop the operation of the heating unit 4 to put the outside of the food in a heat-retaining state. When a heat-retaining time tG has elapsed, the heating unit is turned on by a half wave of the AC power to start heating the inside of the food. When the inside temperature of the food has reached the level T, the inside of the food is put in a heat-retaining state.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7723078A JPS553580A (en) | 1978-06-26 | 1978-06-26 | Food heater |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7723078A JPS553580A (en) | 1978-06-26 | 1978-06-26 | Food heater |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS553580A true JPS553580A (en) | 1980-01-11 |
Family
ID=13628048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7723078A Pending JPS553580A (en) | 1978-06-26 | 1978-06-26 | Food heater |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS553580A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01319286A (en) * | 1988-06-17 | 1989-12-25 | Matsushita Electric Ind Co Ltd | Temperature control device |
-
1978
- 1978-06-26 JP JP7723078A patent/JPS553580A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01319286A (en) * | 1988-06-17 | 1989-12-25 | Matsushita Electric Ind Co Ltd | Temperature control device |
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