JPH02143842U - - Google Patents
Info
- Publication number
- JPH02143842U JPH02143842U JP5265889U JP5265889U JPH02143842U JP H02143842 U JPH02143842 U JP H02143842U JP 5265889 U JP5265889 U JP 5265889U JP 5265889 U JP5265889 U JP 5265889U JP H02143842 U JPH02143842 U JP H02143842U
- Authority
- JP
- Japan
- Prior art keywords
- power
- power cutoff
- supply holding
- power supply
- brightness
- 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 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Electronic Switches (AREA)
- Photographic Processing Devices Using Wet Methods (AREA)
- Projection-Type Copiers In General (AREA)
Description
第１図はこの考案の一実施例であるオートスト
ツプ回路を示すブロツク図、第２図はこの実施例
の動作を制御するフローチヤート、第３図は第２
図のフローにタイマーを付加したフローチヤート
、第４図はこの実施例の電気回路を例示した回路
図である。
Ａ……光検知手段、Ｂ……電源保持手段、Ｃ…
…電源遮断制御手段、１……電源、２……光セン
サ、３……条件スイツチ、４……電源スイツチ、
５……電源保持回路、６……ＣＰＵ。
FIG. 1 is a block diagram showing an auto-stop circuit which is an embodiment of this invention, FIG. 2 is a flowchart for controlling the operation of this embodiment, and FIG.
FIG. 4 is a flowchart in which a timer is added to the flow shown in the figure, and a circuit diagram illustrating the electric circuit of this embodiment. A...Light detection means, B...Power supply holding means, C...
...Power cutoff control means, 1...Power source, 2...Optical sensor, 3...Condition switch, 4...Power switch,
5...Power supply holding circuit, 6...CPU.
Claims (1)
イツチをＯＦＦしても、指定された状態となるま
で機器の電源を自己保持する電源保持手段と、前
記光検知手段の光検知で最終的に電源の遮断を制
御する電源遮断制御手段とを具備して成ることを
特徴とするオートストツプ回路。 A light detection means detects the brightness of external light, a power supply holding means self-maintains the power of the device until the specified state is reached even if the power switch is turned off, and a final and a power cutoff control means for controlling power cutoff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5265889U JPH02143842U (en) | 1989-05-09 | 1989-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5265889U JPH02143842U (en) | 1989-05-09 | 1989-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02143842U true JPH02143842U (en) | 1990-12-06 |
Family
ID=31573145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5265889U Pending JPH02143842U (en) | 1989-05-09 | 1989-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02143842U (en) |
-
1989
- 1989-05-09 JP JP5265889U patent/JPH02143842U/ja active Pending