JPS6425844U - - Google Patents
Info
- Publication number
- JPS6425844U JPS6425844U JP1987119385U JP11938587U JPS6425844U JP S6425844 U JPS6425844 U JP S6425844U JP 1987119385 U JP1987119385 U JP 1987119385U JP 11938587 U JP11938587 U JP 11938587U JP S6425844 U JPS6425844 U JP S6425844U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- microcomputer
- circuit
- power supply
- standby circuit
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000006386 memory function Effects 0.000 description 1
Landscapes
- Details Of Television Systems (AREA)
Description
第１図は本考案の一実施例における保護装置の
回路図、第２図は本考案の＋Ｂ電圧シヨート検出
回路と、従来例のシヨート検出回路の＋Ｂ電圧シ
ヨート時の動作を説明するフローチヤート、第３
図は従来のシヨート検出回路の回路図である。
１……スタンバイ回路、２……＋Ｂ電圧シヨー
ト検出回路、３……ラストパワーメモリー機能付
マイクロコンピユータ、４……リモコン電源回路
。
FIG. 1 is a circuit diagram of a protection device according to an embodiment of the present invention, and FIG. 2 is a flowchart illustrating the operation of the +B voltage short detection circuit of the present invention and the conventional short detection circuit at the time of +B voltage short. Third
The figure is a circuit diagram of a conventional shot detection circuit. 1...Standby circuit, 2...+B voltage shot detection circuit, 3...Microcomputer with last power memory function, 4...Remote control power supply circuit.
Claims (1)
れるラストパワーメモリを有するマイクロコンピ
ユータと、このマイクロコンピユータの制御出力
にて動作が制御されるスタンバイ回路と、上記＋
Ｂ電圧ラインとマイクロコンピユータの制御出力
端とスタンバイ回路の間に挿入され、＋Ｂ電圧が
シヨートするとき動作し上記スタンバイ回路を動
作状態とする＋Ｂ電圧シヨート検出回路と、上記
スタンバイ回路に連動して電源電圧を＋Ｂ電圧に
代わつて上記マイクロコンピユータに供給するリ
モコン電源回路とを備えた保護装置。 A microcomputer having a last power memory to which the +B voltage is stabilized and supplied as a power supply voltage, a standby circuit whose operation is controlled by the control output of this microcomputer, and the above-mentioned +B voltage.
A +B voltage short detection circuit is inserted between the B voltage line, the control output terminal of the microcomputer, and the standby circuit, and operates when the +B voltage shortens to put the standby circuit into the operating state. A protection device comprising a remote control power supply circuit that supplies voltage to the microcomputer in place of the +B voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987119385U JPH0746038Y2 (en) | 1987-08-04 | 1987-08-04 | Protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987119385U JPH0746038Y2 (en) | 1987-08-04 | 1987-08-04 | Protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6425844U true JPS6425844U (en) | 1989-02-14 |
| JPH0746038Y2 JPH0746038Y2 (en) | 1995-10-18 |
Family
ID=31364568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987119385U Expired - Lifetime JPH0746038Y2 (en) | 1987-08-04 | 1987-08-04 | Protector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0746038Y2 (en) |
-
1987
- 1987-08-04 JP JP1987119385U patent/JPH0746038Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0746038Y2 (en) | 1995-10-18 |
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