JPS54142542A - Phase relay - Google Patents
Phase relayInfo
- Publication number
- JPS54142542A JPS54142542A JP4932578A JP4932578A JPS54142542A JP S54142542 A JPS54142542 A JP S54142542A JP 4932578 A JP4932578 A JP 4932578A JP 4932578 A JP4932578 A JP 4932578A JP S54142542 A JPS54142542 A JP S54142542A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- transmission
- slice level
- circuit
- failure
- 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
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
PURPOSE: To enable one to decide a failure of the continuous trip permitted side of the phase relay transmission by deciding the three-phase AND condition of square wave output of the transmission slice level detector on applying three-phase balancing current as a check current.
CONSTITUTION: The input circuit 201, transmission slice level (L) 202, transmission part 204, adapter 214, carrier-frequency terminal equipment 215 and checkinginput applying circuit 218 are represented by three phases, the three-phase AND circuit 219 of the transmission slice level (L) 202 output and the transmission signal decision part 220 are provided. In this way, even if only one phase of square wave output of the transmission slice level detector (L) is made a failure of the continuous trip permitted side by certain cause, the three-phase AND condition of square waves 219R, 219S and 219T holds and is delivered to the transmission signal decision part 220.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4932578A JPS54142542A (en) | 1978-04-27 | 1978-04-27 | Phase relay |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4932578A JPS54142542A (en) | 1978-04-27 | 1978-04-27 | Phase relay |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54142542A true JPS54142542A (en) | 1979-11-06 |
Family
ID=12827820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4932578A Pending JPS54142542A (en) | 1978-04-27 | 1978-04-27 | Phase relay |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54142542A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10830265B2 (en) | 2015-09-03 | 2020-11-10 | Nok Corporation | Gasket |
-
1978
- 1978-04-27 JP JP4932578A patent/JPS54142542A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10830265B2 (en) | 2015-09-03 | 2020-11-10 | Nok Corporation | Gasket |
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