JPS62137598U - - Google Patents
Info
- Publication number
- JPS62137598U JPS62137598U JP2468786U JP2468786U JPS62137598U JP S62137598 U JPS62137598 U JP S62137598U JP 2468786 U JP2468786 U JP 2468786U JP 2468786 U JP2468786 U JP 2468786U JP S62137598 U JPS62137598 U JP S62137598U
- Authority
- JP
- Japan
- Prior art keywords
- period
- comparing
- warning
- instantaneous value
- detecting
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of High-Frequency Heating Circuits (AREA)
Description
第１図はこの考案の構成を示す構成図、第２図
はこの考案の一実施例を示すブロツク図、第３図
は第２図の各部の電圧波形を示すグラフ、第４図
は第２図の動作を示すフローチヤートである。
１……交流電源、２……降圧トランス、３……
定電圧回路、４……整流回路、５……分圧回路、
６……比較回路、７……マイクロコンピユータ、
８……表示灯。
Fig. 1 is a block diagram showing the configuration of this invention, Fig. 2 is a block diagram showing an embodiment of this invention, Fig. 3 is a graph showing voltage waveforms at various parts of Fig. 2, and Fig. 4 is a block diagram showing an embodiment of this invention. 3 is a flowchart showing the operation of the figure. 1... AC power supply, 2... Step-down transformer, 3...
Constant voltage circuit, 4... Rectifier circuit, 5... Voltage divider circuit,
6... Comparison circuit, 7... Microcomputer,
8... Indicator light.
Claims (1)
前記瞬時値と所定の基準電圧とを比較し両者が等
しい所定の時点を選択検出して出力する比較手段
と、比較手段の出力信号の周期と所定の基準周期
とを比較する周期比較手段と、前記信号の周期と
基準周期とが異なるとき警告する警告手段とを備
えたことを特徴とする電子レンジ。 detection means for detecting the instantaneous value of the AC input voltage;
Comparing means for comparing the instantaneous value and a predetermined reference voltage and selectively detecting and outputting a predetermined point in time when both are equal, and period comparing means for comparing the period of the output signal of the comparing means and the predetermined reference period; A microwave oven comprising: warning means for warning when the period of the signal differs from a reference period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2468786U JPS62137598U (en) | 1986-02-22 | 1986-02-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2468786U JPS62137598U (en) | 1986-02-22 | 1986-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62137598U true JPS62137598U (en) | 1987-08-29 |
Family
ID=30824144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2468786U Pending JPS62137598U (en) | 1986-02-22 | 1986-02-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62137598U (en) |
-
1986
- 1986-02-22 JP JP2468786U patent/JPS62137598U/ja active Pending