JPS5471347A - State detector - Google Patents
State detectorInfo
- Publication number
- JPS5471347A JPS5471347A JP6146378A JP6146378A JPS5471347A JP S5471347 A JPS5471347 A JP S5471347A JP 6146378 A JP6146378 A JP 6146378A JP 6146378 A JP6146378 A JP 6146378A JP S5471347 A JPS5471347 A JP S5471347A
- Authority
- JP
- Japan
- Prior art keywords
- state
- electric apparatus
- output terminal
- circuit
- detecting 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
Landscapes
- Protection Of Generators And Motors (AREA)
- Emergency Protection Circuit Devices (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
PURPOSE: To enable to detect easily a disconnection and a short-circuit of an electric apparatus with use of a potential detecting circuit with a potential detection level, two or more resistors and a fault signal generator.
CONSTITUTION: In an ordinary state of an electric apparatus 32, and output terminal 61 of a potential detecting circuit 81 is in "H" state and an output terminal of a potential detcting circuit 82 is in "L" state when the electric apparatus 32 is not driven. If there is a disconnection in the electric apparatus 32, each output terminal 61, 62 of the potential detecting circuit 81, 82 is in "L" state. When the electric apparatus is driven but has no fault, each output terminal 61, 62 is in "L" state. When a short-circuit happens in the electric apparatus, the output terminal 61 of the potential detecting circuit 81 is in "H" state and the output terminal 62 of the potential detecting circuit 62 is in "L" state. A fault signal generator 25 separates the signal from the potential detecting circuit 81 and generates the signal for a disconnection or a short-circuit according as the electric apparatus is driven or not.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53061463A JPS6036029B2 (en) | 1978-05-22 | 1978-05-22 | condition detection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53061463A JPS6036029B2 (en) | 1978-05-22 | 1978-05-22 | condition detection device |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP48097653A Division JPS5046374A (en) | 1973-08-30 | 1973-08-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5471347A true JPS5471347A (en) | 1979-06-07 |
JPS6036029B2 JPS6036029B2 (en) | 1985-08-17 |
Family
ID=13171746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53061463A Expired JPS6036029B2 (en) | 1978-05-22 | 1978-05-22 | condition detection device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6036029B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57144077U (en) * | 1981-03-04 | 1982-09-09 | ||
JPS57159174U (en) * | 1981-03-31 | 1982-10-06 | ||
JPS5947232U (en) * | 1982-09-20 | 1984-03-29 | 松下電器産業株式会社 | Protection circuit for variable speed motor |
JPS60188390U (en) * | 1984-05-22 | 1985-12-13 | 横河電機株式会社 | Signal line inspection device |
-
1978
- 1978-05-22 JP JP53061463A patent/JPS6036029B2/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57144077U (en) * | 1981-03-04 | 1982-09-09 | ||
JPS643080Y2 (en) * | 1981-03-04 | 1989-01-26 | ||
JPS57159174U (en) * | 1981-03-31 | 1982-10-06 | ||
JPS647339Y2 (en) * | 1981-03-31 | 1989-02-27 | ||
JPS5947232U (en) * | 1982-09-20 | 1984-03-29 | 松下電器産業株式会社 | Protection circuit for variable speed motor |
JPS60188390U (en) * | 1984-05-22 | 1985-12-13 | 横河電機株式会社 | Signal line inspection device |
JPH0338710Y2 (en) * | 1984-05-22 | 1991-08-15 |
Also Published As
Publication number | Publication date |
---|---|
JPS6036029B2 (en) | 1985-08-17 |
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