JPS5354760A - Over voltage detection circuit for input power source - Google Patents
Over voltage detection circuit for input power sourceInfo
- Publication number
- JPS5354760A JPS5354760A JP12968176A JP12968176A JPS5354760A JP S5354760 A JPS5354760 A JP S5354760A JP 12968176 A JP12968176 A JP 12968176A JP 12968176 A JP12968176 A JP 12968176A JP S5354760 A JPS5354760 A JP S5354760A
- Authority
- JP
- Japan
- Prior art keywords
- power source
- input power
- detection circuit
- voltage detection
- over voltage
- 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 title 1
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000015556 catabolic process Effects 0.000 abstract 1
Landscapes
- Inverter Devices (AREA)
- Protection Of Static Devices (AREA)
Abstract
PURPOSE: To prevent the sequential break-down through permitting a photo-coupler to be actuated, blocking a drive circuit and cutting a switch transistor by detecting the overoltage by a zener diode in the event that the voltage of the input power source may be higher than a predetermined value.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12968176A JPS5354760A (en) | 1976-10-28 | 1976-10-28 | Over voltage detection circuit for input power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12968176A JPS5354760A (en) | 1976-10-28 | 1976-10-28 | Over voltage detection circuit for input power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5354760A true JPS5354760A (en) | 1978-05-18 |
Family
ID=15015531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12968176A Pending JPS5354760A (en) | 1976-10-28 | 1976-10-28 | Over voltage detection circuit for input power source |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5354760A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01120737U (en) * | 1989-01-19 | 1989-08-16 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3206695A (en) * | 1961-11-13 | 1965-09-14 | Magnavox Co | Overvoltage protection circuit for power converters |
-
1976
- 1976-10-28 JP JP12968176A patent/JPS5354760A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3206695A (en) * | 1961-11-13 | 1965-09-14 | Magnavox Co | Overvoltage protection circuit for power converters |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01120737U (en) * | 1989-01-19 | 1989-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5354760A (en) | Over voltage detection circuit for input power source | |
| JPS5229121A (en) | False motion prevention circuit when putting on and off of logical cir cuit and so on | |
| JPS5367849A (en) | Overcurrent protecting device for power source apparatus | |
| JPS52132685A (en) | Semiconductor integrated circuit device | |
| JPS535743A (en) | Observati on device of bus protecting relay | |
| JPS51146190A (en) | Diode circuit | |
| JPS5422550A (en) | Overvoltage protective circuit | |
| JPS5425445A (en) | Apparatus protective device | |
| JPS5312026A (en) | Protective device for no-arc tap controller | |
| JPS52105808A (en) | Head crush preventing device | |
| JPS5364354A (en) | Overload preventing device for hoisting machine | |
| JPS52154059A (en) | Protective device for dc motor | |
| JPS5439563A (en) | Protective device for thyristor converter | |
| JPS51144575A (en) | Schottoky barrier semiconductor device | |
| JPS52120353A (en) | Protective device for dc power transmission system | |
| JPS5339046A (en) | Noise prevention circuit at power source blinking time for amplifier unit | |
| JPS5321717A (en) | Electric sewing machine erroneous action prevention system | |
| JPS51147288A (en) | Semiconductor device | |
| JPS5391282A (en) | Start indicator of man conveyer | |
| JPS53123653A (en) | Trigger circuit | |
| JPS5297642A (en) | Malfunction prevention circuit | |
| JPS51144937A (en) | No phase protective device | |
| JPS52115134A (en) | Switch circuit for error motion protection | |
| JPS5263619A (en) | Horizontal deflection device | |
| JPS53118966A (en) | Delay timer circuit |