JPS5229935A - Switching apparatus - Google Patents
Switching apparatusInfo
- Publication number
- JPS5229935A JPS5229935A JP10620175A JP10620175A JPS5229935A JP S5229935 A JPS5229935 A JP S5229935A JP 10620175 A JP10620175 A JP 10620175A JP 10620175 A JP10620175 A JP 10620175A JP S5229935 A JPS5229935 A JP S5229935A
- Authority
- JP
- Japan
- Prior art keywords
- grounding
- switching apparatus
- provision
- earth
- detection
- 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
- Emergency Protection Circuit Devices (AREA)
- Keying Circuit Devices (AREA)
Abstract
PURPOSE: To prevent misoperation of a protection device by the provision of a detector producing an output on the detection of grounding current to a grounding conductor for grounding a metal receptacle to the earth which is disposed surrounding electric lines outside of a protection range.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10620175A JPS5845263B2 (en) | 1975-09-02 | 1975-09-02 | Kaihei Souchi |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10620175A JPS5845263B2 (en) | 1975-09-02 | 1975-09-02 | Kaihei Souchi |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5229935A true JPS5229935A (en) | 1977-03-07 |
JPS5845263B2 JPS5845263B2 (en) | 1983-10-07 |
Family
ID=14427539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10620175A Expired JPS5845263B2 (en) | 1975-09-02 | 1975-09-02 | Kaihei Souchi |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5845263B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5461516A (en) * | 1993-03-31 | 1995-10-24 | Olympus Optical Co., Ltd | Multilayer film structure |
-
1975
- 1975-09-02 JP JP10620175A patent/JPS5845263B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5461516A (en) * | 1993-03-31 | 1995-10-24 | Olympus Optical Co., Ltd | Multilayer film structure |
Also Published As
Publication number | Publication date |
---|---|
JPS5845263B2 (en) | 1983-10-07 |
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