JPH0622222Y2 - 検相器 - Google Patents
検相器Info
- Publication number
- JPH0622222Y2 JPH0622222Y2 JP7069790U JP7069790U JPH0622222Y2 JP H0622222 Y2 JPH0622222 Y2 JP H0622222Y2 JP 7069790 U JP7069790 U JP 7069790U JP 7069790 U JP7069790 U JP 7069790U JP H0622222 Y2 JPH0622222 Y2 JP H0622222Y2
- Authority
- JP
- Japan
- Prior art keywords
- phase
- gate
- input
- display
- output
- 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.)
- Expired - Lifetime
Links
Landscapes
- Measuring Phase Differences (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7069790U JPH0622222Y2 (ja) | 1990-07-04 | 1990-07-04 | 検相器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7069790U JPH0622222Y2 (ja) | 1990-07-04 | 1990-07-04 | 検相器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0430485U JPH0430485U (enExample) | 1992-03-11 |
| JPH0622222Y2 true JPH0622222Y2 (ja) | 1994-06-08 |
Family
ID=31607074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7069790U Expired - Lifetime JPH0622222Y2 (ja) | 1990-07-04 | 1990-07-04 | 検相器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0622222Y2 (enExample) |
-
1990
- 1990-07-04 JP JP7069790U patent/JPH0622222Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0430485U (enExample) | 1992-03-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9581626B2 (en) | Circuit and method for detecting zero-crossings and brownout conditions on a single phase or multi-phase system | |
| EP0050417A1 (en) | Circuit arrangement including an opto-isolator device for checking the state of an electric switch | |
| EP0098695A1 (en) | Improvements in or relating to multimeters | |
| JPH0622222Y2 (ja) | 検相器 | |
| US4340852A (en) | Scanning system using alternating current for indicating the open, closed and ground condition of a contact | |
| JPH0286314A (ja) | 自己診断型近接スイッチ | |
| JPH06318867A (ja) | 周波数・位相ロック検出装置 | |
| US3297947A (en) | Apparatus for two signal polarity detecting using alternate quartercycle sampling toeliminate quadrature error | |
| JPS6329260Y2 (enExample) | ||
| NL8201180A (nl) | Radio-ontvanger. | |
| JPH04262272A (ja) | 三相入力状態判定装置 | |
| JPH05191317A (ja) | 差動信号伝送回路 | |
| JPH0528872A (ja) | 故障判別機能付検出装置 | |
| JPS6374212A (ja) | ゼロクロス検出回路 | |
| JPH0573624B2 (enExample) | ||
| JPS59204336A (ja) | フレ−ム同期回路の誤接続検査回路 | |
| JPH0792488B2 (ja) | 交流相回転検出方式 | |
| KR910005700B1 (ko) | 특고압 지중 배전 선로용 상판별기 | |
| JPS5812429A (ja) | 直流二線式電子スイツチ | |
| JPS58150873A (ja) | 断線検出回路 | |
| KR940002463Y1 (ko) | 기준 펄스폭 이상의 펄스 검출회로 | |
| JPH01269012A (ja) | 断線検出器 | |
| JPS59184410A (ja) | 操作部のスイツチ投入検知装置 | |
| JPH01231130A (ja) | ビットデータの比較による異常検出装置 | |
| JPH0476247B2 (enExample) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |